Merge pull request #50 from RodZill4/export_plugin

Back to master branch !

.gitignore

@@ -1,8 +1,5 @@
-.import
-generated_image.png
-addons/material_maker/models/Material.material
-addons/material_maker/models/models.blend1
-addons/material_maker/models/models.dae
-addons/material_maker/models/models.dae.import
-*.import
-_build
+# Files generated by Godot
+.import/
+
+# Compiled documentation
+_build/

.mailmap

@@ -0,0 +1,2 @@
+Rodolphe Suescun <rodzilla@free.fr>
+jack perkins <jackaperkins@posteo.net>

LICENSE

@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2018 Rodolphe Suescun
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.

addons/material_maker/common.shader

@@ -13,93 +13,6 @@ vec3 rand3(vec2 x) {
                           dot(x, vec2(13.254, 5.867)))) * 43758.5453);
 }
 
-vec3 blend_normal(vec2 uv, vec3 c1, vec3 c2, float opacity) {
-	return opacity*c1 + (1.0-opacity)*c2;
-}
-
-vec3 blend_dissolve(vec2 uv, vec3 c1, vec3 c2, float opacity) {
-	if (rand(uv) < opacity) {
-		return c1;
-	} else {
-		return c2;
-	}
-}
-
-vec3 blend_multiply(vec2 uv, vec3 c1, vec3 c2, float opacity) {
-	return opacity*c1*c2 + (1.0-opacity)*c2;
-}
-
-vec3 blend_screen(vec2 uv, vec3 c1, vec3 c2, float opacity) {
-	return opacity*(1.0-(1.0-c1)*(1.0-c2)) + (1.0-opacity)*c2;
-}
-
-float blend_overlay_f(float c1, float c2) {
-	return (c1 < 0.5) ? (2.0*c1*c2) : (1.0-2.0*(1.0-c1)*(1.0-c2));
-}
-
-vec3 blend_overlay(vec2 uv, vec3 c1, vec3 c2, float opacity) {
-	return opacity*vec3(blend_overlay_f(c1.x, c2.x), blend_overlay_f(c1.y, c2.y), blend_overlay_f(c1.z, c2.z)) + (1.0-opacity)*c2;
-}
-
-vec3 blend_hard_light(vec2 uv, vec3 c1, vec3 c2, float opacity) {
-	return opacity*0.5*(c1*c2+blend_overlay(uv, c1, c2, 1.0)) + (1.0-opacity)*c2;
-}
-
-float blend_soft_light_f(float c1, float c2) {
-	return (c2 < 0.5) ? (2.0*c1*c2+c1*c1*(1.0-2.0*c2)) : 2.0*c1*(1.0-c2)+sqrt(c1)*(2.0*c2-1.0);
-}
-
-vec3 blend_soft_light(vec2 uv, vec3 c1, vec3 c2, float opacity) {
-	return opacity*vec3(blend_soft_light_f(c1.x, c2.x), blend_soft_light_f(c1.y, c2.y), blend_soft_light_f(c1.z, c2.z)) + (1.0-opacity)*c2;
-}
-
-float blend_burn_f(float c1, float c2) {
-	return (c1==0.0)?c1:max((1.0-((1.0-c2)/c1)),0.0);
-}
-
-vec3 blend_burn(vec2 uv, vec3 c1, vec3 c2, float opacity) {
-	return opacity*vec3(blend_burn_f(c1.x, c2.x), blend_burn_f(c1.y, c2.y), blend_burn_f(c1.z, c2.z)) + (1.0-opacity)*c2;
-}
-
-float blend_dodge_f(float c1, float c2) {
-	return (c1==1.0)?c1:min(c2/(1.0-c1),1.0);
-}
-
-vec3 blend_dodge(vec2 uv, vec3 c1, vec3 c2, float opacity) {
-	return opacity*vec3(blend_dodge_f(c1.x, c2.x), blend_dodge_f(c1.y, c2.y), blend_dodge_f(c1.z, c2.z)) + (1.0-opacity)*c2;
-}
-
-vec3 blend_lighten(vec2 uv, vec3 c1, vec3 c2, float opacity) {
-	return opacity*max(c1, c2) + (1.0-opacity)*c2;
-}
-
-vec3 blend_darken(vec2 uv, vec3 c1, vec3 c2, float opacity) {
-	return opacity*min(c1, c2) + (1.0-opacity)*c2;
-}
-
-vec3 blend_difference(vec2 uv, vec3 c1, vec3 c2, float opacity) {
-	return opacity*clamp(c2-c1, vec3(0.0), vec3(1.0)) + (1.0-opacity)*c2;
-}
-
-vec2 transform(vec2 uv, vec2 translate, float rotate, vec2 scale) {
-	vec2 rv;
-	uv -= vec2(0.5);
-	rv.x = cos(rotate)*uv.x + sin(rotate)*uv.y;
-	rv.y = -sin(rotate)*uv.x + cos(rotate)*uv.y;
-	rv /= scale;
-	rv += vec2(0.5);
-	rv -= translate;
-	return rv;
-}
-
-vec2 transform_repeat(vec2 uv, vec2 translate, float rotate, vec2 scale) {
-	return fract(transform(uv, translate, rotate, scale));
-}
-
-vec2 transform_norepeat(vec2 uv, vec2 translate, float rotate, vec2 scale) {
-	return clamp(transform(uv, translate, rotate, scale), vec2(0.0), vec2(1.0));
-}
-
 // From http://lolengine.net/blog/2013/07/27/rgb-to-hsv-in-glsl
 vec3 rgb2hsv(vec3 c) {
 	vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);

addons/material_maker/engine/gen_base.gd

@@ -0,0 +1,231 @@
+tool
+extends Node
+class_name MMGenBase
+
+"""
+Base class for texture generators, that defines their API
+"""
+
+signal parameter_changed
+
+class InputPort:
+	var generator : MMGenBase = null
+	var input_index : int = 0
+
+	func _init(g : MMGenBase, i : int) -> void:
+		generator = g
+		input_index = i
+
+	func to_str() -> String:
+		return generator.name+".in("+str(input_index)+")"
+
+class OutputPort:
+	var generator : MMGenBase = null
+	var output_index : int = 0
+
+	func _init(g : MMGenBase, o : int) -> void:
+		generator = g
+		output_index = o
+
+	func to_str() -> String:
+		return generator.name+".out("+str(output_index)+")"
+
+var position : Vector2 = Vector2(0, 0)
+var model = null
+var parameters = {}
+
+var seed_locked : bool = false
+var seed_value : int = 0
+
+func _ready() -> void:
+	init_parameters()
+
+func _post_load() -> void:
+	pass
+
+func can_be_deleted() -> bool:
+	return true
+
+func toggle_editable() -> bool:
+	return false
+
+func is_editable() -> bool:
+	return false
+
+
+func has_randomness():
+	return false
+
+func get_seed() -> int:
+	if !seed_locked:
+		var s : int = ((int(position.x) * 0x1f1f1f1f) ^ int(position.y)) % 65536
+		if get_parent().get("transmits_seed") != null and get_parent().transmits_seed:
+			s += get_parent().get_seed()
+		return s
+	else:
+		return seed_value
+
+func toggle_lock_seed():
+	if !seed_locked:
+		seed_value = get_seed()
+	seed_locked = !seed_locked
+	return seed_locked
+
+func is_seed_locked():
+	return seed_locked
+
+func init_parameters() -> void:
+	for p in get_parameter_defs():
+		if !parameters.has(p.name):
+			if p.has("default"):
+				parameters[p.name] = MMType.deserialize_value(p.default)
+				if p.type == "size":
+					parameters[p.name] -= p.first
+			else:
+				print("No default value for parameter "+p.name)
+
+func set_position(p) -> void:
+	position = p
+	if has_randomness() and !is_seed_locked():
+		for i in range(get_output_defs().size()):
+			notify_output_change(i)
+
+func get_type() -> String:
+	return "generic"
+
+func get_type_name() -> String:
+	return "Unnamed"
+
+func get_parameter_defs() -> Array:
+	return []
+
+func get_parameter_def(param_name : String) -> Dictionary:
+	var parameter_defs = get_parameter_defs()
+	for p in parameter_defs:
+		if p.name == param_name:
+			return p
+	return {}
+
+func set_parameter(n : String, v):
+	parameters[n] = v
+	source_changed(0)
+	emit_signal("parameter_changed", n, v)
+
+func notify_output_change(output_index : int):
+	var targets = get_targets(output_index)
+	for target in targets:
+		target.generator.source_changed(target.input_index)
+
+func source_changed(__):
+	emit_signal("parameter_changed", "__input_changed__", 0)
+	for i in range(get_output_defs().size()):
+		notify_output_change(i)
+
+func get_input_defs() -> Array:
+	return []
+
+func get_output_defs() -> Array:
+	return []
+
+func get_source(input_index : int) -> OutputPort:
+	return get_parent().get_port_source(name, input_index)
+
+func get_targets(output_index : int) -> Array:
+	var parent = get_parent()
+	if parent != null:
+		return get_parent().get_port_targets(name, output_index)
+	return []
+
+# get the list of outputs that depend on the input whose index is passed as parameter
+func follow_input(input_index : int) -> Array:
+	var rv = []
+	for i in range(get_output_defs().size()):
+		rv.push_back(OutputPort.new(self, i))
+	return rv
+
+func get_input_shader(input_index : int):
+	var source = get_source(input_index)
+	if source != null:
+		return source.get_shader()
+
+func get_shader(output_index : int, context) -> Dictionary:
+	return get_shader_code("UV", output_index, context)
+
+func render(output_index : int, size : int):
+	var context : MMGenContext = MMGenContext.new()
+	var source = get_shader_code("UV", output_index, context)
+	while source is GDScriptFunctionState:
+		source = yield(source, "completed")
+	if source.empty():
+		source = { defs="", code="", textures={}, rgba="vec4(0.0)" }
+	var shader : String = mm_renderer.generate_shader(source)
+	var result = mm_renderer.render_shader(shader, source.textures, size)
+	while result is GDScriptFunctionState:
+		result = yield(result, "completed")
+	return result
+
+func get_shader_code(uv : String, output_index : int, context : MMGenContext) -> Dictionary:
+	var rv = _get_shader_code(uv, output_index, context)
+	while rv is GDScriptFunctionState:
+		rv = yield(rv, "completed")
+	if !rv.empty():
+		if !rv.has("f"):
+			if rv.has("rgb"):
+				rv.f = "(dot("+rv.rgb+", vec3(1.0))/3.0)"
+			elif rv.has("rgba"):
+				rv.f = "(dot("+rv.rgba+".rgb, vec3(1.0))/3.0)"
+			else:
+				rv.f = "0.0"
+		if !rv.has("rgb"):
+			if rv.has("rgba"):
+				rv.rgb = rv.rgba+".rgb"
+			else:
+				rv.rgb = "vec3("+rv.f+")"
+		if !rv.has("rgba"):
+			rv.rgba = "vec4("+rv.rgb+", 1.0)"
+	return rv
+
+func _get_shader_code(__, __, __) -> Dictionary:
+	return {}
+
+
+func _serialize(data: Dictionary) -> Dictionary:
+	print("cannot save "+name)
+	return data
+
+func serialize():
+	var rv = { name=name, type=get_type(), parameters={}, node_position={ x=position.x, y=position.y } }
+	for p in parameters.keys():
+		rv.parameters[p] = MMType.serialize_value(parameters[p])
+	if seed_locked:
+		rv.seed_value = seed_value
+	if model != null:
+		rv.type = model
+	else:
+		rv = _serialize(rv)
+	return rv
+
+func _deserialize(data : Dictionary) -> void:
+	pass
+
+func deserialize(data : Dictionary) -> void:
+	_deserialize(data)
+	if data.has("name"):
+		name = data.name
+	if data.has("node_position"):
+		position.x = data.node_position.x
+		position.y = data.node_position.y
+	if data.has("parameters"):
+		for p in data.parameters.keys():
+			set_parameter(p, MMType.deserialize_value(data.parameters[p]))
+	else:
+		for p in get_parameter_defs():
+			if data.has(p.name) and p.name != "type":
+				set_parameter(p.name, MMType.deserialize_value(data[p.name]))
+	if data.has("seed_value"):
+		seed_locked = true
+		seed_value = data.seed_value
+	else:
+		seed_locked = false
+	_post_load()
+

addons/material_maker/engine/gen_buffer.gd

@@ -0,0 +1,55 @@
+tool
+extends MMGenTexture
+class_name MMGenBuffer
+
+"""
+Texture generator buffers, that render their input in a specific resolution and provide the result as output.
+This is useful when using generators that sample their inputs several times (such as convolutions)
+"""
+
+var updated : bool = false
+
+func _ready() -> void:
+	if !parameters.has("size"):
+		parameters.size = 9
+
+func get_type() -> String:
+	return "buffer"
+
+func get_type_name() -> String:
+	return "Buffer"
+
+func get_parameter_defs() -> Array:
+	return [
+			{ name="size", type="size", first=4, last=12, default=4 },
+			{ name="lod", type="float", min=0, max=10.0, step=0.01, default=0 }
+		]
+
+func get_input_defs() -> Array:
+	return [ { name="in", type="rgba" } ]
+
+func get_output_defs() -> Array:
+	return [ { type="rgba" }, { type="rgba" } ]
+
+func source_changed(input_port_index : int):
+	updated = false
+	.source_changed(input_port_index)
+
+func _get_shader_code(uv : String, output_index : int, context : MMGenContext) -> Dictionary:
+	var source = get_source(0)
+	if source != null and !updated:
+		var result = source.generator.render(source.output_index, pow(2, parameters.size))
+		while result is GDScriptFunctionState:
+			result = yield(result, "completed")
+		result.copy_to_texture(texture)
+		result.release()
+		texture.flags = Texture.FLAG_MIPMAPS
+		updated = true
+	var rv = ._get_shader_code_lod(uv, output_index, context, 0 if output_index == 0 else parameters.lod)
+	while rv is GDScriptFunctionState:
+		rv = yield(rv, "completed")
+	return rv
+
+func _serialize(data: Dictionary) -> Dictionary:
+	data.type = "buffer"
+	return data

addons/material_maker/engine/gen_comment.gd

@@ -0,0 +1,41 @@
+tool
+extends MMGenTexture
+class_name MMGenComment
+
+"""
+Comments to put in the graph
+"""
+
+var text : String = "Double-click to write a comment"
+var size : Vector2 = Vector2(0, 0)
+
+func _ready() -> void:
+	if !parameters.has("size"):
+		parameters.size = 4
+
+func get_type() -> String:
+	return "comment"
+
+func get_type_name() -> String:
+	return "Comment"
+
+func get_parameter_defs() -> Array:
+	return []
+
+func get_input_defs() -> Array:
+	return []
+
+func get_output_defs() -> Array:
+	return []
+
+func _serialize(data: Dictionary) -> Dictionary:
+	data.type = "comment"
+	data.text = text
+	data.size = { x=size.x, y=size.y }
+	return data
+
+func _deserialize(data : Dictionary) -> void:
+	if data.has("text"):
+		text = data.text
+	if data.has("size"):
+		size = Vector2(data.size.x, data.size.y)

addons/material_maker/engine/gen_context.gd

@@ -0,0 +1,20 @@
+tool
+extends Object
+class_name MMGenContext
+
+
+var variants : Dictionary = {}
+
+
+func has_variant(generator) -> bool:
+	return variants.has(generator)
+
+func get_variant(generator, variant) -> int:
+	var rv = -1
+	if variants.has(generator):
+		rv = variants[generator].find(variant)
+		if rv == -1:
+			variants[generator].push_back(variant)
+	else:
+		variants[generator] = [variant]
+	return rv

addons/material_maker/engine/gen_convolution.gd

@@ -0,0 +1,184 @@
+tool
+extends MMGenBase
+class_name MMGenConvolution
+
+var convolution_params : Dictionary = {}
+
+func get_type() -> String:
+	return "convolution"
+
+func get_type_name() -> String:
+	if convolution_params.has("name"):
+		return convolution_params.name
+	return .get_type_name()
+
+func get_parameter_defs() -> Array:
+	var rv : Array = [ { name="size", type="size", first=4, last=11, default=7 } ]
+	if convolution_params.has("parameters"):
+		for p in convolution_params.parameters:
+			rv.push_back(p)
+	return rv
+
+func get_input_defs() -> Array:
+	return [ { name="in", type=convolution_params.input_type } ]
+
+func get_output_defs() -> Array:
+	return [ { type=convolution_params.output_type } ]
+
+func set_convolution_params(data: Dictionary) -> void:
+	convolution_params = data
+
+func _get_shader_code(uv : String, output_index : int, context : MMGenContext) -> Dictionary:
+	var genname = "o"+str(get_instance_id())
+	var epsilon = 1.0/pow(2, parameters.size)
+	var types = { "rgba": { type="vec4", init="vec4(0.0)" }, "rgb": { type="vec3", init="vec3(0.0)" }, "f": { type="float", init="0.0" } }
+	var rv = { globals=[], defs="", code="", textures={} }
+	var source = get_source(0)
+	if source == null:
+		return rv
+	var variant_index = context.get_variant(self, uv)
+	if variant_index == -1:
+		variant_index = context.get_variant(self, uv)
+		# Calculate matrix
+		var errors = 0
+		var sum = [ 0.0, 0.0, 0.0, 0.0 ]
+		var matrix = []
+		var expr : Expression = null
+		var expr_variables : PoolStringArray
+		var expr_values : Array
+		var expr_variables_x_index : int
+		if convolution_params.has("matrix_function"):
+			expr = Expression.new()
+			expr_variables = PoolStringArray(["size"])
+			expr_values = [ pow(2, parameters.size) ]
+			if convolution_params.has("parameters"):
+				for p in convolution_params.parameters:
+					expr_variables.push_back(p.name)
+					if parameters.has(p.name):
+						expr_values.push_back(parameters[p.name])
+					elif p.has("default"):
+						expr_values.push_back(p.default)
+					else:
+						expr_values.push_back(0)
+						errors += 1
+						print("No value for "+p.name)
+				expr_variables_x_index = expr_values.size()
+				expr_variables.push_back("x")
+				expr_values.push_back(0)
+				expr_variables.push_back("y")
+				expr_values.push_back(0)
+			var error = expr.parse(convolution_params.matrix_function, expr_variables)
+			if error != OK:
+				print("Error in expression: "+expr.get_error_text())
+				return rv
+		for dy in range(-convolution_params.y, convolution_params.y+1):
+			var line = []
+			for dx in range(-convolution_params.x, convolution_params.x+1):
+				var coef = 0.0
+				if convolution_params.has("matrix") and dy+convolution_params.y < convolution_params.matrix.size() and dx+convolution_params.x < convolution_params.matrix[dy+convolution_params.y].size() and convolution_params.matrix[dy+convolution_params.y][dx+convolution_params.x] != null:
+					coef = convolution_params.matrix[dy+convolution_params.y][dx+convolution_params.x]
+				elif convolution_params.has("matrix_sparse") and convolution_params.matrix_sparse.has(str(dy)) and convolution_params.matrix_sparse[str(dy)].has(str(dx)):
+					coef = convolution_params.matrix_sparse[str(dy)][str(dx)]
+				elif expr != null:
+					expr_values[expr_variables_x_index] = dx
+					expr_values[expr_variables_x_index+1] = dy
+					coef = expr.execute(expr_values)
+				if typeof(coef) == TYPE_INT:
+					coef = float(coef)
+				match convolution_params.output_type:
+					"f":
+						if typeof(coef) == TYPE_REAL or convolution_params.input_type == "f":
+							sum[0] += coef
+						else:
+							errors += 1
+					"rgb":
+						if typeof(coef) == TYPE_REAL:
+							sum[0] += coef
+							sum[1] += coef
+							sum[2] += coef
+							coef = [ coef, coef, coef ]
+							if convolution_params.input_type != "f" and convolution_params.input_type != "rgb":
+								errors += 1
+						elif typeof(coef) == TYPE_ARRAY and coef.size() == 3:
+							if convolution_params.input_type == "f" or convolution_params.input_type == "rgb":
+								sum[0] += coef[0]
+								sum[1] += coef[1]
+								sum[2] += coef[2]
+							else:
+								errors += 1
+						else:
+							errors += 1
+					"rgba":
+						if typeof(coef) == TYPE_REAL:
+							sum[0] += coef
+							sum[1] += coef
+							sum[2] += coef
+							sum[3] += coef
+							coef = [ coef, coef, coef, coef ]
+							if convolution_params.input_type != "f" and convolution_params.input_type != "rgba":
+								errors += 1
+						elif typeof(coef) == TYPE_ARRAY and coef.size() == 4:
+							if convolution_params.input_type == "f" or convolution_params.input_type == "rgba":
+								sum[0] += coef[0]
+								sum[1] += coef[1]
+								sum[2] += coef[2]
+								sum[3] += coef[3]
+							else:
+								errors += 1
+						else:
+							errors += 1
+				line.push_back(coef)
+			matrix.push_back(line)
+		# Generate code
+		rv.code += "%s %s_%d = %s;\n" % [ types[convolution_params.output_type].type, genname, variant_index, types[convolution_params.output_type].init ]
+		if errors > 0:
+			pass
+		else:
+			if convolution_params.has("normalized") and convolution_params.normalized:
+				for i in range(sum.size()):
+					if sum[i] != 0:
+						sum[i] = 1.0/sum[i]
+					else:
+						sum[i] = 1.0
+			else:
+				sum = [ 1.0, 1.0, 1.0, 1.0 ]
+			for dy in range(-convolution_params.y, convolution_params.y+1):
+				var line = matrix[dy+convolution_params.y]
+				for dx in range(-convolution_params.x, convolution_params.x+1):
+					var coef = line[dx+convolution_params.x]
+					var uv_str = "(%s)+vec2(%.9f,%.9f)" % [ uv, dx*epsilon, dy*epsilon ]
+					var src_code = source.generator.get_shader_code(uv_str, source.output_index, context)
+					while src_code is GDScriptFunctionState:
+						src_code = yield(src_code, "completed")
+					# Add global definitions
+					if src_code.has("globals"):
+						for d in src_code.globals:
+							if rv.globals.find(d) == -1:
+								rv.globals.push_back(d)
+					# Add generated definitions
+					if src_code.has("defs"):
+						rv.defs += src_code.defs
+					# Add generated code
+					if src_code.has("code"):
+						rv.code += src_code.code
+					var coef_str : String
+					match convolution_params.output_type:
+						"f":
+							coef_str = "%.9f" % [ coef * sum[0] ]
+						"rgb":
+							coef_str = "vec3(%.9f, %.9f, %.9f)" % [ coef[0] * sum[0], coef[1] * sum[1], coef[2] * sum[2] ]
+						"rgba":
+							coef_str = "vec4(%.9f, %.9f, %.9f, %.9f)" % [ coef[0] * sum[0], coef[1] * sum[1], coef[2] * sum[2], coef[3] * sum[3] ]
+					rv.code += "%s_%d += %s*%s;\n" % [ genname, variant_index, coef_str, src_code[convolution_params.input_type] ]
+					for t in src_code.textures.keys():
+						rv.textures[t] = src_code.textures[t]
+			rv[convolution_params.output_type] = "%s_%d" % [ genname, variant_index ]
+	return rv
+
+
+func _serialize(data: Dictionary) -> Dictionary:
+	data.convolution_params = convolution_params
+	return data
+
+func _deserialize(data : Dictionary) -> void:
+	set_convolution_params(data.convolution_params)

addons/material_maker/engine/gen_debug.gd

@@ -0,0 +1,16 @@
+tool
+extends MMGenBase
+class_name MMGenDebug
+
+"""
+Can be used to get generated shader
+"""
+
+func get_type() -> String:
+	return "debug"
+
+func get_type_name() -> String:
+	return "Debug"
+
+func get_input_defs() -> Array:
+	return [ { name="in", type="rgba" } ]

addons/material_maker/engine/gen_export.gd

@@ -0,0 +1,52 @@
+tool
+extends MMGenBase
+class_name MMGenExport
+
+"""
+Can be used to export an additional texture
+"""
+
+var texture = null
+
+# The default texture size as a power-of-two exponent
+const TEXTURE_SIZE_DEFAULT = 10  # 1024x1024
+
+func get_image_size() -> int:
+	var rv : int
+	if parameters.has("size"):
+		rv = int(pow(2, parameters.size))
+	else:
+		rv = int(pow(2, TEXTURE_SIZE_DEFAULT))
+	return rv
+
+func get_type() -> String:
+	return "export"
+
+func get_type_name() -> String:
+	return "Export"
+
+func get_parameter_defs() -> Array:
+	return [
+			{ name="size", type="size", first=4, last=12, default=10 },
+			{ name="suffix", type="string", default="suffix" }
+		]
+
+func get_input_defs() -> Array:
+	return [ { name="in", type="rgba" } ]
+
+func render_textures() -> void:
+	var source = get_source(0)
+	if source != null:
+		var result = source.generator.render(source.output_index, get_image_size())
+		while result is GDScriptFunctionState:
+			result = yield(result, "completed")
+		texture = ImageTexture.new()
+		result.copy_to_texture(texture)
+		result.release()
+	else:
+		texture = null
+
+func export_textures(prefix, __ = null) -> void:
+	if texture != null:
+		var image = texture.get_data()
+		image.save_png("%s_%s.png" % [ prefix, parameters.suffix])

addons/material_maker/engine/gen_graph.gd

@@ -0,0 +1,319 @@
+tool
+extends MMGenBase
+class_name MMGenGraph
+
+var label : String = "Graph"
+var connections = []
+
+var editable : bool = false
+
+var transmits_seed : bool = true
+
+signal connections_changed(removed_connections, added_connections)
+
+
+func fix_remotes() -> void:
+	for c in get_children():
+		if c is MMGenRemote:
+			c.fix()
+
+func _post_load() -> void:
+	fix_remotes()
+
+
+func has_randomness():
+	return transmits_seed
+
+
+func get_type() -> String:
+	return "graph"
+
+func get_type_name() -> String:
+	return label
+
+
+func toggle_editable() -> bool:
+	editable = !editable
+	if editable:
+		model = null
+	return true
+
+func is_editable() -> bool:
+	return editable
+
+
+func get_parameter_defs() -> Array:
+	if has_node("gen_parameters"):
+		return get_node("gen_parameters").get_parameter_defs()
+	return []
+
+func set_parameter(p, v):
+	if has_node("gen_parameters"):
+		return get_node("gen_parameters").set_parameter(p, v)
+
+func get_input_defs() -> Array:
+	if has_node("gen_inputs"):
+		return get_node("gen_inputs").get_output_defs()
+	return []
+
+func get_output_defs() -> Array:
+	if has_node("gen_outputs"):
+		return get_node("gen_outputs").get_input_defs()
+	return []
+
+func source_changed(input_index : int):
+	if has_node("gen_inputs"):
+		return get_node("gen_inputs").source_changed(input_index)
+
+func get_port_source(gen_name: String, input_index: int) -> OutputPort:
+	if gen_name == "gen_inputs":
+		var parent = get_parent()
+		if parent != null and parent.get_script() == get_script():
+			return parent.get_port_source(name, input_index)
+	else:
+		for c in connections:
+			if c.to == gen_name and c.to_port == input_index:
+				var src_gen = get_node(c.from)
+				if src_gen != null:
+					if src_gen.get_script() == get_script():
+						return src_gen.get_port_source("gen_outputs", c.from_port)
+					return OutputPort.new(src_gen, c.from_port)
+	return null
+
+func get_port_targets(gen_name: String, output_index: int) -> Array:
+	var rv = []
+	for c in connections:
+		if c.from == gen_name and c.from_port == output_index:
+			var tgt_gen = get_node(c.to)
+			if tgt_gen != null:
+				rv.push_back(InputPort.new(tgt_gen, c.to_port))
+	return rv
+
+func add_generator(generator : MMGenBase) -> bool:
+	var name = generator.name
+	var index = 1
+	while has_node(name):
+		index += 1
+		name = generator.name + "_" + str(index)
+	generator.name = name
+	add_child(generator)
+	return true
+
+func remove_generator(generator : MMGenBase) -> bool:
+	if !generator.can_be_deleted():
+		return false
+	var new_connections = []
+	for c in connections:
+		if c.from != generator.name and c.to != generator.name:
+			new_connections.append(c)
+	connections = new_connections
+	remove_child(generator)
+	fix_remotes()
+	generator.queue_free()
+	return true
+
+func replace_generator(old : MMGenBase, new : MMGenBase) -> void:
+	new.name = old.name
+	new.position = old.position
+	remove_child(old)
+	old.free()
+	add_child(new)
+
+func get_connected_inputs(generator) -> Array:
+	var rv : Array = []
+	for c in connections:
+		if c.to == generator.name:
+			rv.push_back(c.to_port)
+	return rv
+
+func get_connected_outputs(generator) -> Array:
+	var rv : Array = []
+	for c in connections:
+		if c.from == generator.name:
+			rv.push_back(c.from_port)
+	return rv
+
+func connect_children(from, from_port : int, to, to_port : int) -> bool:
+	# check the new connection does not create a loop
+	var spreadlist = [ InputPort.new(to, to_port) ]
+	while !spreadlist.empty():
+		var input : InputPort = spreadlist.pop_front()
+		for o in input.generator.follow_input(input.input_index):
+			if o.generator == from and o.output_index == from_port:
+				return false
+			for t in o.generator.get_parent().get_port_targets(o.generator.name, o.output_index):
+				spreadlist.push_back(t)
+	# disconnect target
+	while true:
+		var remove = -1
+		for i in connections.size():
+			if connections[i].to == to.name and connections[i].to_port == to_port:
+				remove = i
+				break
+		if remove == -1:
+			break
+		connections.remove(remove)
+	# create new connection
+	connections.append({from=from.name, from_port=from_port, to=to.name, to_port=to_port})
+	to.source_changed(to_port)
+	return true
+
+func disconnect_children(from, from_port : int, to, to_port : int) -> bool:
+	var new_connections : Array = []
+	for c in connections:
+		if c.from != from.name or c.from_port != from_port or c.to != to.name or c.to_port != to_port:
+			new_connections.push_back(c)
+		else:
+			to.source_changed(to_port)
+	connections = new_connections
+	return true
+
+func reconnect_inputs(generator, reconnects : Dictionary) -> bool:
+	var new_connections : Array = []
+	var added_connections : Array = []
+	var removed_connections : Array = []
+	for c in connections:
+		if c.to == generator.name and reconnects.has(c.to_port):
+			removed_connections.push_back(c.duplicate(true))
+			if reconnects[c.to_port] < 0:
+				continue
+			c.to_port = reconnects[c.to_port]
+			added_connections.push_back(c.duplicate(true))
+		new_connections.push_back(c)
+	connections = new_connections
+	if !removed_connections.empty():
+		emit_signal("connections_changed", removed_connections, added_connections)
+	return true
+
+func reconnect_outputs(generator, reconnects : Dictionary) -> bool:
+	var new_connections : Array = []
+	var added_connections : Array = []
+	var removed_connections : Array = []
+	for c in connections:
+		if c.from == generator.name and reconnects.has(c.from_port):
+			removed_connections.push_back(c.duplicate(true))
+			if reconnects[c.from_port] < 0:
+				continue
+			c.from_port = reconnects[c.from_port]
+			added_connections.push_back(c.duplicate(true))
+		new_connections.push_back(c)
+	connections = new_connections
+	if !removed_connections.empty():
+		emit_signal("connections_changed", removed_connections, added_connections)
+	return true
+
+func _get_shader_code(uv : String, output_index : int, context : MMGenContext) -> Dictionary:
+	var outputs = get_node("gen_outputs")
+	if outputs != null:
+		var rv = outputs._get_shader_code(uv, output_index, context)
+		while rv is GDScriptFunctionState:
+			rv = yield(rv, "completed")
+		return rv
+	return { globals=[], defs="", code="", textures={} }
+
+
+func edit(node) -> void:
+	node.get_parent().call_deferred("update_view", self)
+
+func create_subgraph(gens : Array) -> void:
+	# Remove material, gen_inputs and gen_outputs nodes
+	var generators = []
+	var center = Vector2(0, 0)
+	var left_bound = 65535
+	var right_bound = -65536
+	var upper_bound = 65536
+	var count = 0
+	# Filter group nodes and calculate boundin box
+	for g in gens:
+		if g.name != "Material" and g.name != "gen_inputs" and g.name != "gen_outputs":
+			generators.push_back(g)
+			var p = g.position
+			center += p
+			count += 1
+			if left_bound > p.x: left_bound = p.x
+			if right_bound < p.x: right_bound = p.x
+			if upper_bound > p.y: upper_bound = p.y
+	if count == 0:
+		return
+	center /= count
+	# Create a new graph and add it to the current one
+	var new_graph = get_script().new()
+	new_graph.name = "graph"
+	add_generator(new_graph)
+	new_graph.position = center
+	# Add grouped generators and keep their names
+	var names : Array = []
+	for g in generators:
+		names.push_back(g.name)
+		remove_child(g)
+		new_graph.add_generator(g)
+	# Create inputs and outputs generators
+	var gen_inputs = MMGenIOs.new()
+	gen_inputs.name = "gen_inputs"
+	gen_inputs.position = Vector2(left_bound-300, center.y)
+	new_graph.add_generator(gen_inputs)
+	var gen_outputs = MMGenIOs.new()
+	gen_outputs.name = "gen_outputs"
+	gen_outputs.position = Vector2(right_bound+300, center.y)
+	new_graph.add_generator(gen_outputs)
+	# Process connections
+	var new_graph_connections = []
+	var my_new_connections = []
+	var inputs = []
+	var outputs = []
+	for c in connections:
+		var src_name = c.from+"."+str(c.from_port)
+		if names.find(c.from) != -1 and names.find(c.to) != -1:
+			new_graph_connections.push_back(c)
+		elif names.find(c.from) != -1:
+			var port_index = outputs.find(src_name)
+			if port_index == -1:
+				port_index = outputs.size()
+				outputs.push_back(src_name)
+				gen_outputs.ports.push_back( { name="port"+str(port_index), type="rgba" } )
+				print(gen_outputs.ports)
+			my_new_connections.push_back( { from=new_graph.name, from_port=port_index, to=c.to, to_port=c.to_port } )
+			new_graph_connections.push_back( { from=c.from, from_port=c.from_port, to="gen_outputs", to_port=port_index } )
+		elif names.find(c.to) != -1:
+			var port_index = inputs.find(src_name)
+			if port_index == -1:
+				port_index = inputs.size()
+				inputs.push_back(src_name)
+				gen_inputs.ports.push_back( { name="port"+str(port_index), type="rgba" } )
+			my_new_connections.push_back( { from=c.from, from_port=c.from_port, to=new_graph.name, to_port=port_index } )
+			new_graph_connections.push_back( { from="gen_inputs", from_port=port_index, to=c.to, to_port=c.to_port } )
+		else:
+			my_new_connections.push_back(c)
+	connections = my_new_connections
+	new_graph.connections = new_graph_connections
+	var found_remote = false
+	var remote_script = load("res://addons/material_maker/engine/gen_remote.gd")
+	for g in generators:
+		if g.get_script() == remote_script:
+			g.name = "gen_parameters"
+			found_remote = true
+			new_graph.parameters = g.parameters.duplicate(true)
+			break
+	if !found_remote:
+		var gen_parameters = remote_script.new()
+		gen_parameters.name = "gen_parameters"
+		gen_parameters.position = Vector2(center.x - 200, upper_bound-300)
+		new_graph.add_child(gen_parameters)
+	fix_remotes()
+	new_graph.fix_remotes()
+
+
+func _serialize(data: Dictionary) -> Dictionary:
+	data.label = label
+	data.nodes = []
+	for c in get_children():
+		data.nodes.append(c.serialize())
+	data.connections = connections
+	return data
+
+func _deserialize(data : Dictionary) -> void:
+	if data.has("label"):
+		label = data.label
+	var nodes = data.nodes if data.has("nodes") else []
+	var connections = data.connections if data.has("connections") else []
+	load("res://addons/material_maker/engine/loader.gd").add_to_gen_graph(self, nodes, connections)

addons/material_maker/engine/gen_image.gd

@@ -0,0 +1,21 @@
+tool
+extends MMGenTexture
+class_name MMGenImage
+
+"""
+Texture generator from image
+"""
+
+func get_type() -> String:
+	return "image"
+
+func get_type_name() -> String:
+	return "Image"
+
+func get_parameter_defs() -> Array:
+	return [ { name="image", type="path" } ]
+
+func set_parameter(n : String, v) -> void:
+	.set_parameter(n, v)
+	if n == "image":
+		texture.load(v)

addons/material_maker/engine/gen_ios.gd

@@ -0,0 +1,102 @@
+tool
+extends MMGenBase
+class_name MMGenIOs
+
+"""
+IOs just forward their inputs to their outputs and are used to specify graph interfaces
+"""
+
+var ports : Array = []
+
+var editable = false
+
+func can_be_deleted() -> bool:
+	return name != "gen_inputs" and name != "gen_outputs"
+
+
+func get_type() -> String:
+	return "ios"
+
+func get_type_name() -> String:
+	match name:
+		"gen_inputs": return "Inputs"
+		"gen_outputs": return "Outputs"
+		_: return "IOs"
+
+
+func get_io_defs() -> Array:
+	var rv : Array = []
+	for p in ports:
+		rv.push_back({ name=p.name, type="rgba" })
+	return rv
+
+func get_input_defs() -> Array:
+	return [] if name == "gen_inputs" else get_io_defs()
+
+func get_output_defs() -> Array:
+	return [] if name == "gen_outputs" else get_io_defs()
+
+
+func toggle_editable() -> bool:
+	editable = !editable
+	if editable:
+		model = null
+	return true
+
+func is_editable() -> bool:
+	return editable
+
+
+func add_port() -> void:
+	ports.append({ name="unnamed", type="rgba" })
+	emit_signal("parameter_changed", "__update_all__", null)
+
+func set_port_name(i : int, n : String) -> void:
+	ports[i].name = n
+
+func delete_port(i : int) -> void:
+	ports.remove(i)
+	var input_gen = get_parent() if name == "gen_inputs" else self
+	var output_gen = get_parent() if name == "gen_outputs" else self
+	var port_reconnects = { i:-1 }
+	while i < ports.size():
+		port_reconnects[i+1] = i
+		i += 1
+	input_gen.get_parent().reconnect_inputs(input_gen, port_reconnects)
+	output_gen.get_parent().reconnect_outputs(output_gen, port_reconnects)
+	emit_signal("parameter_changed", "__update_all__", null)
+
+func swap_ports(i1 : int, i2 : int) -> void:
+	var tmp = ports[i1]
+	ports[i1] = ports[i2]
+	ports[i2] = tmp
+	var input_gen = get_parent() if name == "gen_inputs" else self
+	var output_gen = get_parent() if name == "gen_outputs" else self
+	var port_reconnects = { i1:i2, i2:i1 }
+	input_gen.get_parent().reconnect_inputs(input_gen, port_reconnects)
+	output_gen.get_parent().reconnect_outputs(output_gen, port_reconnects)
+	emit_signal("parameter_changed", "__update_all__", null)
+	
+func source_changed(input_index : int) -> void:
+	if name == "gen_outputs":
+		if get_parent() != null:
+			get_parent().notify_output_change(input_index)
+	else:
+		notify_output_change(input_index)
+
+func _get_shader_code(uv : String, output_index : int, context : MMGenContext) -> Dictionary:
+	var source = get_source(output_index)
+	if source != null:
+		var rv = source.generator._get_shader_code(uv, source.output_index, context)
+		while rv is GDScriptFunctionState:
+			rv = yield(rv, "completed")
+		return rv
+	return { defs="", code="", textures={} }
+
+func _serialize(data: Dictionary) -> Dictionary:
+	data.type = "ios"
+	data.ports = ports
+	return data
+
+func _deserialize(data : Dictionary) -> void:
+	ports = data.ports

addons/material_maker/engine/gen_material.gd

@@ -0,0 +1,252 @@
+tool
+extends MMGenBase
+class_name MMGenMaterial
+
+var material : SpatialMaterial
+var generated_textures = {}
+
+const TEXTURE_LIST = [
+	{ port=0, texture="albedo" },
+	{ port=3, texture="emission" },
+	{ port=4, texture="normal" },
+	{ ports=[5, 2, 1], default_values=["1.0", "1.0", "1.0"], texture="orm" },
+	{ port=6, texture="depth" },
+	{ port=7, texture="subsurf_scatter" }
+]
+
+# The minimum allowed texture size as a power-of-two exponent
+const TEXTURE_SIZE_MIN = 4  # 16x16
+
+# The maximum allowed texture size as a power-of-two exponent
+const TEXTURE_SIZE_MAX = 12  # 4096x4096
+
+# The default texture size as a power-of-two exponent
+const TEXTURE_SIZE_DEFAULT = 10  # 1024x1024
+
+func _ready() -> void:
+	for t in TEXTURE_LIST:
+		generated_textures[t.texture] = null
+	material = SpatialMaterial.new()
+
+func can_be_deleted() -> bool:
+	return false
+
+func get_type() -> String:
+	return "material"
+
+func get_type_name() -> String:
+	return "Material"
+
+func get_parameter_defs() -> Array:
+	return [
+		{ name="albedo_color", label="Albedo", type="color", default={ r=1.0, g=1.0, b=1.0, a=1.0} },
+		{ name="metallic", label="Metallic", type="float", min=0.0, max=1.0, step=0.05, default=1.0 },
+		{ name="roughness", label="Roughness", type="float", min=0.0, max=1.0, step=0.05, default=1.0 },
+		{ name="emission_energy", label="Emission", type="float", min=0.0, max=8.0, step=0.05, default=1.0 },
+		{ name="normal_scale", label="Normal", type="float", min=0.0, max=8.0, step=0.05, default=1.0 },
+		{ name="ao_light_affect", label="Ambient occlusion", type="float", min=0.0, max=1.0, step=0.05, default=1.0 },
+		{ name="depth_scale", label="Depth", type="float", min=0.0, max=1.0, step=0.05, default=1.0 },
+		{ name="subsurf_scatter_strength", label="Subsurf. Scatter.", type="float", min=0.0, max=1.0, step=0.05, default=0.0 },
+		{ name="size", label="Size", type="size", first=TEXTURE_SIZE_MIN, last=TEXTURE_SIZE_MAX, default=TEXTURE_SIZE_DEFAULT }
+	]
+
+func get_input_defs() -> Array:
+	return [
+		{ name="albedo_texture", label="", type="rgb" },
+		{ name="metallic_texture", label="", type="f" },
+		{ name="roughness_texture", label="", type="f" },
+		{ name="emission_texture", label="", type="rgb" },
+		{ name="normal_texture", label="", type="rgb" },
+		{ name="ao_texture", label="", type="f" },
+		{ name="depth_texture", label="", type="f" },
+		{ name="subsurf_scatter_texture", label="", type="f" }
+	]
+
+func get_image_size() -> int:
+	var rv : int
+	if parameters.has("size"):
+		rv = int(pow(2, parameters.size))
+	else:
+		rv = int(pow(2, TEXTURE_SIZE_DEFAULT))
+	return rv
+
+func update_preview() -> void:
+	var graph_edit = self
+	while graph_edit is MMGenBase:
+		graph_edit = graph_edit.get_parent()
+	if graph_edit != null and graph_edit.has_method("send_changed_signal"):
+		graph_edit.send_changed_signal()
+
+func set_parameter(p, v) -> void:
+	.set_parameter(p, v)
+	update_preview()
+
+func source_changed(input_index : int) -> void:
+	for t in TEXTURE_LIST:
+		if t.has("port") and t.port == input_index:
+			generated_textures[t.texture] = null
+		elif t.has("ports") and t.ports.has(input_index):
+			generated_textures[t.texture] = null
+	update_preview()
+
+func render_textures() -> void:
+	for t in TEXTURE_LIST:
+		var texture = null
+		if t.has("port"):
+			if generated_textures[t.texture] != null:
+				continue
+			var source = get_source(t.port)
+			if source != null:
+				var result = source.generator.render(source.output_index, get_image_size())
+				while result is GDScriptFunctionState:
+					result = yield(result, "completed")
+				texture = ImageTexture.new()
+				result.copy_to_texture(texture)
+				result.release()
+				# To work, this must be set after calling `copy_to_texture()`
+				texture.flags |= ImageTexture.FLAG_ANISOTROPIC_FILTER
+
+				# Disable filtering for small textures, as they're considered to be used
+				# for a pixel art style
+				if texture.get_size().x <= 128:
+					texture.flags ^= ImageTexture.FLAG_FILTER
+		elif t.has("ports"):
+			var context : MMGenContext = MMGenContext.new()
+			var code = []
+			var shader_textures = {}
+			for i in range(t.ports.size()):
+				var source = get_source(t.ports[i])
+				if source != null:
+					var status = source.generator.get_shader_code("UV", source.output_index, context)
+					while status is GDScriptFunctionState:
+						status = yield(status, "completed")
+					code.push_back(status)
+					for t in status.textures.keys():
+						shader_textures[t] = status.textures[t]
+				else:
+					code.push_back({ defs="", code="", f=t.default_values[i] })
+			var shader : String = mm_renderer.generate_combined_shader(code[0], code[1], code[2])
+			var result = mm_renderer.render_shader(shader, shader_textures, get_image_size())
+			while result is GDScriptFunctionState:
+				result = yield(result, "completed")
+			texture = ImageTexture.new()
+			result.copy_to_texture(texture)
+			result.release()
+			# To work, this must be set after calling `copy_to_texture()`
+			texture.flags |= ImageTexture.FLAG_ANISOTROPIC_FILTER
+
+			# Disable filtering for small textures, as they're considered to be used
+			# for a pixel art style
+			if texture.get_size().x <= 128:
+				texture.flags ^= ImageTexture.FLAG_FILTER
+
+		generated_textures[t.texture] = texture
+
+func update_materials(material_list) -> void:
+	for m in material_list:
+		update_spatial_material(m)
+
+func get_generated_texture(slot, file_prefix = null) -> ImageTexture:
+	if file_prefix != null:
+		var file_name = "%s_%s.png" % [ file_prefix, slot ]
+		if File.new().file_exists(file_name):
+			return load(file_name) as ImageTexture
+		else:
+			return null
+	else:
+		return generated_textures[slot]
+
+func update_spatial_material(m, file_prefix = null) -> void:
+	var texture
+
+	if m is SpatialMaterial:
+		# Make the material double-sided for better visiblity in the preview
+		m.params_cull_mode = SpatialMaterial.CULL_DISABLED
+	
+		m.albedo_color = parameters.albedo_color
+		m.albedo_texture = get_generated_texture("albedo", file_prefix)
+		m.metallic = parameters.metallic
+		m.roughness = parameters.roughness
+		# Metallic
+		texture = get_generated_texture("orm", file_prefix)
+		m.metallic_texture = texture
+		m.metallic_texture_channel = SpatialMaterial.TEXTURE_CHANNEL_BLUE
+		# Roughness
+		m.roughness_texture = texture
+		m.roughness_texture_channel = SpatialMaterial.TEXTURE_CHANNEL_GREEN
+		# Emission
+		texture = get_generated_texture("emission", file_prefix)
+		if texture != null:
+			m.emission_enabled = true
+			m.emission_energy = parameters.emission_energy
+			m.emission_texture = texture
+		else:
+			m.emission_enabled = false
+		# Normal map
+		texture = get_generated_texture("normal", file_prefix)
+		if texture != null:
+			m.normal_enabled = true
+			m.normal_texture = texture
+		else:
+			m.normal_enabled = false
+		# Ambient occlusion
+		if get_source(5) != null:
+			m.ao_enabled = true
+			m.ao_light_affect = parameters.ao_light_affect
+			m.ao_texture = m.metallic_texture
+			m.ao_texture_channel = SpatialMaterial.TEXTURE_CHANNEL_RED
+		else:
+			m.ao_enabled = false
+		# Depth
+		texture = get_generated_texture("depth", file_prefix)
+		if texture != null:
+			m.depth_enabled = true
+			m.depth_deep_parallax = true
+			m.depth_scale = parameters.depth_scale * 0.2
+			m.depth_texture = texture
+		else:
+			m.depth_enabled = false
+		# Subsurface scattering
+		texture = get_generated_texture("subsurf_scatter", file_prefix)
+		if texture != null:
+			m.subsurf_scatter_enabled = true
+			m.subsurf_scatter_strength = parameters.subsurf_scatter_strength
+			m.subsurf_scatter_texture = texture
+		else:
+			m.subsurf_scatter_enabled = false
+	else:
+		m.set_shader_param("albedo", parameters.albedo_color)
+		m.set_shader_param("texture_albedo", get_generated_texture("albedo", file_prefix))
+		m.set_shader_param("metallic", parameters.metallic)
+		m.set_shader_param("roughness", parameters.roughness)
+		m.set_shader_param("texture_metallic", get_generated_texture("orm", file_prefix))
+		m.set_shader_param("metallic_texture_channel", PoolRealArray([0.0, 0.0, 1.0, 0.0]))
+		m.set_shader_param("texture_roughness", get_generated_texture("orm", file_prefix))
+		m.set_shader_param("roughness_texture_channel", PoolRealArray([0.0, 1.0, 0.0, 0.0]))
+		m.set_shader_param("emission_energy", parameters.emission_energy)
+		m.set_shader_param("texture_emission", get_generated_texture("emission", file_prefix))
+		m.set_shader_param("normal_scale", parameters.normal_scale)
+		m.set_shader_param("texture_normal", get_generated_texture("normal", file_prefix))
+		m.set_shader_param("depth_scale", parameters.depth_scale * 0.2)
+		m.set_shader_param("texture_depth", get_generated_texture("depth", file_prefix))
+
+func export_textures(prefix, editor_interface = null) -> SpatialMaterial:
+	for t in TEXTURE_LIST:
+		var texture = generated_textures[t.texture]
+		if texture != null:
+			var image = texture.get_data()
+			image.save_png("%s_%s.png" % [ prefix, t.texture ])
+	if Engine.editor_hint and editor_interface != null:
+		var resource_filesystem = editor_interface.get_resource_filesystem()
+		resource_filesystem.scan()
+		yield(resource_filesystem, "filesystem_changed")
+		var new_material = SpatialMaterial.new()
+		update_spatial_material(new_material, prefix)
+		ResourceSaver.save("%s.tres" % [ prefix ], new_material)
+		resource_filesystem.scan()
+		return new_material
+
+	return null
+
+func _serialize(data: Dictionary) -> Dictionary:
+	return data

addons/material_maker/engine/gen_remote.gd

@@ -0,0 +1,225 @@
+tool
+extends MMGenBase
+class_name MMGenRemote
+
+"""
+Remote can be used to control parameters from several generators in the same graph
+"""
+
+var widgets = []
+
+func can_be_deleted() -> bool:
+	return name != "gen_parameters"
+
+func set_widgets(w : Array) -> void:
+	widgets = w
+	fix()
+
+func get_widget(n : String) -> Dictionary:
+	for w in widgets:
+		if w.name == n:
+			return w
+	return {}
+
+func get_next_widget_name():
+	var i = 0
+	while true:
+		var param_name = "param"+str(i)
+		var used = false
+		for w in widgets:
+			if w.has("name") and w.name == param_name:
+				used = true
+				break
+		if !used:
+			return param_name
+		i += 1
+
+func fix() -> void:
+	# Make sure all widgets have a name
+	var i = 0
+	for w in widgets:
+		if !w.has("name"):
+			w.name = get_next_widget_name()
+			print("Named "+w.name)
+	var parent = get_parent()
+	if parent == null:
+		return
+	var updated_widgets : Array = []
+	var removed_widgets = false
+	for w in widgets:
+		var updated_linked_widgets : Array = []
+		for l in w.linked_widgets:
+			var linked_widget : MMGenBase = parent.get_node(l.node)
+			if linked_widget != null and linked_widget.get_parameter_def(l.widget).size() > 0:
+				updated_linked_widgets.push_back(l)
+		if updated_linked_widgets.size() == 0:
+			removed_widgets = true
+			continue
+		w.linked_widgets = updated_linked_widgets
+		updated_widgets.push_back(w)
+		if !parameters.has(w.name):
+			match w.type:
+				"config_control":
+					parameters[w.name] = 0
+				"linked_control":
+					# Should get current value of a linked widget
+					parameters[w.name] = 0
+	if removed_widgets:
+		widgets = updated_widgets
+		emit_signal("parameter_changed", "__update_all__", null)
+
+func get_type() -> String:
+	return "remote"
+
+func get_type_name() -> String:
+	return "Parameters" if name == "gen_parameters" else "Remote"
+
+func get_parameter_defs() -> Array:
+	var rv = []
+	var i = 0
+	for w in widgets:
+		match w.type:
+			"config_control":
+				var p : Dictionary = { name=w.name, label=w.label, type="enum", values=[] }
+				var configurations = w.configurations.keys()
+				configurations.sort()
+				for c in configurations:
+					p.values.push_back({ name=c, value=c })
+				rv.append(p)
+				i += 1
+			"linked_control":
+				var linked = w.linked_widgets[0]
+				var p : Dictionary
+				if linked != null && is_inside_tree():
+					var gen = get_parent().get_node(linked.node)
+					if gen != null:
+						var gen_params = gen.get_parameter_defs()
+						for pd in gen_params:
+							if pd.name == linked.widget:
+								p = pd.duplicate(true)
+								break
+				p.name = w.name
+				p.label = w.label
+				rv.append(p)
+				i += 1
+			_:
+				print("Unsupported widget of type "+str(w.type))
+	return rv
+
+func set_parameter(p : String, v) -> void:
+	var parent = get_parent()
+	if parent == null:
+		return
+	var widget = get_widget(p)
+	if !widget.empty():
+		match widget.type:
+			"linked_control":
+				for w in widget.linked_widgets:
+					var node = parent.get_node(w.node)
+					if node != null:
+						node.set_parameter(w.widget, v)
+			"config_control":
+				if v < widget.configurations.size():
+					var configurations = widget.configurations.keys()
+					configurations.sort()
+					for w in widget.configurations[configurations[v]]:
+						var node = parent.get_node(w.node)
+						if node != null:
+							node.set_parameter(w.widget, MMType.deserialize_value(w.value))
+				else:
+					# incorrect configuration index
+					print("error: incorrect config control parameter value")
+					return
+	.set_parameter(p, v)
+	if name == "gen_parameters":
+		get_parent().parameters[p] = v
+
+func create_linked_control(label : String) -> String:
+	var n = get_next_widget_name()
+	widgets.push_back({ name=n, label=label, type="linked_control", linked_widgets=[] })
+	return n
+
+func create_config_control(label : String) -> String:
+	var n = get_next_widget_name()
+	widgets.push_back({ name=n, label=label, type="config_control", linked_widgets=[], configurations={} })
+	return n
+
+func set_label(widget_name : String, new_label : String) -> void:
+	get_widget(widget_name).label = new_label
+
+func can_link_parameter(widget_name : String, generator : MMGenBase, param : String) -> bool:
+	var widget : Dictionary = get_widget(widget_name)
+	if !widget.linked_widgets.empty():
+		# Check if the param is already linked
+		for lw in widget.linked_widgets:
+			if lw.node == generator.name and lw.widget == param:
+				return false
+		# Check the parameter type
+		var linked : Dictionary = widget.linked_widgets[0]
+		var linked_generator : MMGenBase = get_parent().get_node(linked.node)
+		var linked_parameter : Dictionary = linked_generator.get_parameter_def(linked.widget)
+		var parameter : Dictionary = generator.get_parameter_def(param)
+		if parameter.type != linked_parameter.type:
+			return false
+		match parameter.type:
+			"enum":
+				if to_json(linked_parameter.values) != to_json(parameter.values):
+					return false
+	return true
+
+func link_parameter(widget_name : String, generator : MMGenBase, param : String) -> void:
+	if !can_link_parameter(widget_name, generator, param):
+		return
+	var widget : Dictionary = get_widget(widget_name)
+	widget.linked_widgets.push_back({ node=generator.name, widget=param })
+	if widget.linked_widgets.size() == 1:
+		match widget.type:
+			"linked_control":
+				parameters[widget_name] = generator.parameters[param]
+			"config_control":
+				parameters[widget_name] = 0
+	emit_signal("parameter_changed", "__update_all__", null)
+
+func remove_parameter(widget_name : String) -> void:
+	for i in range(widgets.size()):
+		if widgets[i].name == widget_name:
+			widgets.remove(i)
+			break
+	emit_signal("parameter_changed", "__update_all__", null)
+
+func add_configuration(widget_name : String, config_name : String) -> void:
+	var widget = get_widget(widget_name)
+	if widget.type == "config_control":
+		widget.configurations[config_name] = []
+		var configurations = widget.configurations.keys()
+		configurations.sort()
+		parameters[widget.name] = configurations.find(config_name)
+		update_configuration(widget_name, config_name)
+
+func update_configuration(widget_name : String, config_name : String) -> void:
+	var widget = get_widget(widget_name)
+	if widget.type == "config_control":
+		var c = []
+		var parent = get_parent()
+		for w in widget.linked_widgets:
+			var g = parent.get_node(w.node)
+			if g != null:
+				var value = MMType.serialize_value(g.parameters[w.widget])
+				c.push_back({ node=w.node, widget=w.widget, value=value })
+		widget.configurations[config_name] = c
+		emit_signal("parameter_changed", "__update_all__", null)
+
+func remove_configuration(widget_name : String, config_name : String) -> void:
+	var widget = get_widget(widget_name)
+	if widget.type == "config_control":
+		widget.configurations.erase(config_name)
+		emit_signal("parameter_changed", "__update_all__", null)
+
+
+func _serialize(data: Dictionary) -> Dictionary:
+	data.type = "remote"
+	data.widgets = widgets
+	return data
+
+func _deserialize(data : Dictionary) -> void:
+	set_widgets(data.widgets.duplicate(true))

addons/material_maker/engine/gen_shader.gd

@@ -0,0 +1,306 @@
+tool
+extends MMGenBase
+class_name MMGenShader
+
+var shader_model : Dictionary = {}
+var uses_seed = false
+
+var editable = false
+
+func toggle_editable() -> bool:
+	editable = !editable
+	if editable:
+		model = null
+	return true
+
+func is_editable() -> bool:
+	return editable
+
+func has_randomness():
+	return uses_seed
+
+func get_type() -> String:
+	return "shader"
+
+func get_type_name() -> String:
+	if shader_model.has("name"):
+		return shader_model.name
+	return .get_type_name()
+
+func get_parameter_defs() -> Array:
+	if shader_model == null or !shader_model.has("parameters"):
+		return []
+	else:
+		return shader_model.parameters
+
+func get_input_defs() -> Array:
+	if shader_model == null or !shader_model.has("inputs"):
+		return []
+	else:
+		return shader_model.inputs
+
+func get_output_defs():
+	if shader_model == null or !shader_model.has("outputs"):
+		return []
+	else:
+		return shader_model.outputs
+
+func set_shader_model(data: Dictionary):
+	shader_model = data
+	init_parameters()
+	uses_seed = false
+	if shader_model.has("outputs"):
+		for i in range(shader_model.outputs.size()):
+			var output = shader_model.outputs[i]
+			var output_code = ""
+			if output.has("rgba"):
+				shader_model.outputs[i].type = "rgba"
+				output_code = output.rgba
+			elif output.has("rgb"):
+				shader_model.outputs[i].type = "rgb"
+				output_code = output.rgb
+			elif output.has("f"):
+				shader_model.outputs[i].type = "f"
+				output_code = output.f
+			else:
+				print("Unsupported output type")
+			if output_code.find("$seed") != -1 or output_code.find("$(seed)") != -1:
+				uses_seed = true
+	if shader_model.has("code"):
+		if shader_model.code.find("$seed") != -1 or shader_model.code.find("$(seed)") != -1:
+			uses_seed = true
+	if shader_model.has("instance"):
+		if shader_model.instance.find("$seed") != -1 or shader_model.instance.find("$(seed)") != -1:
+			uses_seed = true
+
+func find_keyword_call(string, keyword):
+	var search_string = "$%s(" % keyword
+	var position = string.find(search_string)
+	if position == -1:
+		return null
+	var parenthesis_level = 0
+	var parameter_begin = position+search_string.length()
+	var parameter_end = -1
+	for i in range(parameter_begin, string.length()):
+		if string[i] == '(':
+			parenthesis_level += 1
+		elif string[i] == ')':
+			if parenthesis_level == 0:
+				return string.substr(parameter_begin, i-parameter_begin)
+			parenthesis_level -= 1
+	return ""
+
+func replace_input(string, context, input, type, src, default) -> Dictionary:
+	var required_globals = []
+	var required_defs = ""
+	var required_code = ""
+	var required_textures = {}
+	var new_pass_required = false
+	while true:
+		var uv = find_keyword_call(string, input)
+		if uv == null:
+			break
+		elif uv == "":
+			print("syntax error")
+			break
+		elif uv.find("$") != -1:
+			new_pass_required = true
+			break
+		var src_code
+		if src == null:
+			src_code = subst(default, context, "(%s)" % uv)
+		else:
+			src_code = src.generator.get_shader_code(uv, src.output_index, context)
+			while src_code is GDScriptFunctionState:
+				src_code = yield(src_code, "completed")
+			src_code.string = src_code[type]
+		# Add global definitions
+		if src_code.has("globals"):
+			for d in src_code.globals:
+				if required_globals.find(d) == -1:
+					required_globals.push_back(d)
+		# Add generated definitions
+		if src_code.has("defs"):
+			required_defs += src_code.defs
+		# Add generated code
+		if src_code.has("code"):
+			required_code += src_code.code
+		# Add textures
+		if src_code.has("textures"):
+			required_textures = src_code.textures
+		string = string.replace("$%s(%s)" % [ input, uv ], src_code.string)
+	return { string=string, globals=required_globals, defs=required_defs, code=required_code, textures=required_textures, new_pass_required=new_pass_required }
+
+func is_word_letter(l) -> bool:
+	return "azertyuiopqsdfghjklmwxcvbnAZERTYUIOPQSDFGHJKLMWXCVBN1234567890_".find(l) != -1
+
+func replace_variable(string, variable, value) -> String:
+	string = string.replace("$(%s)" % variable, value)
+	var keyword_size = variable.length()+1
+	var new_string = ""
+	while !string.empty():
+		var pos = string.find("$"+variable)
+		if pos == -1:
+			new_string += string
+			break
+		new_string += string.left(pos)
+		string = string.right(pos)
+		if string.empty() or !is_word_letter(string[0]):
+			new_string += value
+		else:
+			new_string += "$"+variable
+		string = string.right(keyword_size)
+	return new_string
+
+func subst(string, context, uv = "") -> Dictionary:
+	var genname = "o"+str(get_instance_id())
+	var required_globals = []
+	var required_defs = ""
+	var required_code = ""
+	var required_textures = {}
+	string = replace_variable(string, "name", genname)
+	if uv != "":
+		var genname_uv = genname+"_"+str(context.get_variant(self, uv))
+		string = replace_variable(string, "name_uv", genname_uv)
+	var tmp_string = replace_variable(string, "seed", str(get_seed()))
+	if tmp_string != string:
+		string = tmp_string
+	if uv != "":
+		string = replace_variable(string, "uv", "("+uv+")")
+	if shader_model.has("parameters") and typeof(shader_model.parameters) == TYPE_ARRAY:
+		for p in shader_model.parameters:
+			if !p.has("name") or !p.has("type"):
+				continue
+			var value = parameters[p.name]
+			var value_string = null
+			if p.type == "float":
+				value_string = "%.9f" % value
+			elif p.type == "size":
+				value_string = "%.9f" % pow(2, value)
+			elif p.type == "enum":
+				if value >= p.values.size():
+					value = 0
+				value_string = p.values[value].value
+			elif p.type == "color":
+				value_string = "vec4(%.9f, %.9f, %.9f, %.9f)" % [ value.r, value.g, value.b, value.a ]
+			elif p.type == "gradient":
+				value_string = genname+"_p_"+p.name+"_gradient_fct"
+			elif p.type == "boolean":
+				value_string = "true" if value else "false"
+			else:
+				print("Cannot replace parameter of type "+p.type)
+			if value_string != null:
+				string = replace_variable(string, p.name, value_string)
+	if shader_model.has("inputs") and typeof(shader_model.inputs) == TYPE_ARRAY:
+		var cont = true
+		while cont:
+			var changed = false
+			var new_pass_required = false
+			for i in range(shader_model.inputs.size()):
+				var input = shader_model.inputs[i]
+				var source = get_source(i)
+				var result = replace_input(string, context, input.name, input.type, source, input.default)
+				while result is GDScriptFunctionState:
+					result = yield(result, "completed")
+				if string != result.string:
+					changed = true
+				if result.new_pass_required:
+					new_pass_required = true
+				string = result.string
+				# Add global definitions
+				for d in result.globals:
+					if required_globals.find(d) == -1:
+						required_globals.push_back(d)
+				# Add generated definitions
+				required_defs += result.defs
+				# Add generated code
+				required_code += result.code
+				for t in result.textures.keys():
+					required_textures[t] = result.textures[t]
+			cont = changed and new_pass_required
+	return { string=string, globals=required_globals, defs=required_defs, code=required_code, textures=required_textures }
+
+func _get_shader_code(uv : String, output_index : int, context : MMGenContext) -> Dictionary:
+	var genname = "o"+str(get_instance_id())
+	var output_info = [ { field="rgba", type="vec4" }, { field="rgb", type="vec3" }, { field="f", type="float" } ]
+	var rv = { globals=[], defs="", code="", textures={} }
+	if shader_model != null and shader_model.has("outputs") and shader_model.outputs.size() > output_index:
+		var output = shader_model.outputs[output_index]
+		if shader_model.has("instance") && !context.has_variant(self):
+			var subst_output = subst(shader_model.instance, context, "")
+			while subst_output is GDScriptFunctionState:
+				subst_output = yield(subst_output, "completed")
+			rv.defs += subst_output.string
+			for t in subst_output.textures.keys():
+				rv.textures[t] = subst_output.textures[t]
+			for p in shader_model.parameters:
+				if p.type == "gradient":
+					var g = parameters[p.name]
+					if !(g is MMGradient):
+						g = MMGradient.new()
+						g.deserialize(parameters[p.name])
+					rv.defs += g.get_shader(genname+"_p_"+p.name+"_gradient_fct")
+		# Add inline code
+		if shader_model.has("code"):
+			var variant_index = context.get_variant(self, uv)
+			if variant_index == -1:
+				variant_index = context.get_variant(self, uv)
+				var subst_code = subst(shader_model.code, context, uv)
+				while subst_code is GDScriptFunctionState:
+					subst_code = yield(subst_code, "completed")
+				# Add global definitions
+				for d in subst_code.globals:
+					if rv.globals.find(d) == -1:
+						rv.globals.push_back(d)
+				# Add generated definitions
+				rv.defs += subst_code.defs
+				# Add generated code
+				rv.code += subst_code.code
+				rv.code += subst_code.string
+		# Add output_code
+		var variant_string = uv+","+str(output_index)
+		var variant_index = context.get_variant(self, variant_string)
+		if variant_index == -1:
+			variant_index = context.get_variant(self, variant_string)
+			for t in output_info:
+				if output.has(t.field):
+					var subst_output = subst(output[t.field], context, uv)
+					while subst_output is GDScriptFunctionState:
+						subst_output = yield(subst_output, "completed")
+					# Add global definitions
+					for d in subst_output.globals:
+						if rv.globals.find(d) == -1:
+							rv.globals.push_back(d)
+					# Add generated definitions
+					rv.defs += subst_output.defs
+					# Add generated code
+					rv.code += subst_output.code
+					rv.code += "%s %s_%d_%d_%s = %s;\n" % [ t.type, genname, output_index, variant_index, t.field, subst_output.string ]
+					for t in subst_output.textures.keys():
+						rv.textures[t] = subst_output.textures[t]
+		for t in output_info:
+			if output.has(t.field):
+				rv[t.field] = "%s_%d_%d_%s" % [ genname, output_index, variant_index, t.field ]
+		if shader_model.has("global") && rv.globals.find(shader_model.global) == -1:
+			rv.globals.push_back(shader_model.global)
+	return rv
+
+
+func _serialize(data: Dictionary) -> Dictionary:
+	data.shader_model = shader_model
+	return data
+
+func _deserialize(data : Dictionary) -> void:
+	if data.has("shader_model"):
+		set_shader_model(data.shader_model)
+	elif data.has("model_data"):
+		set_shader_model(data.model_data)
+
+
+func edit(node) -> void:
+	if shader_model != null:
+		var edit_window = load("res://addons/material_maker/widgets/node_editor/node_editor.tscn").instance()
+		node.get_parent().add_child(edit_window)
+		edit_window.set_model_data(shader_model)
+		edit_window.connect("node_changed", node, "update_generator")
+		edit_window.popup_centered()

addons/material_maker/engine/gen_switch.gd

@@ -0,0 +1,95 @@
+tool
+extends MMGenBase
+class_name MMGenSwitch
+
+"""
+Texture generator switch
+"""
+
+var editable = false
+
+func get_type() -> String:
+	return "switch"
+
+func get_type_name() -> String:
+	return "Switch"
+
+func toggle_editable() -> bool:
+	editable = !editable
+	return true
+
+func is_editable() -> bool:
+	return editable
+
+func get_parameter_defs() -> Array:
+	var choices = parameters.choices if parameters.has("choices") else 2
+	return [
+		{ name="outputs", label="Outputs", type="float", min=1, max=5, step=1, default=2 },
+		{ name="choices", label="Choices", type="float", min=2, max=5, step=1, default=2 },
+		{ name="source", label="Source", type="float", min=0, max=choices-1, step=1, default=0 },
+	]
+
+func get_input_defs() -> Array:
+	var rv : Array = []
+	for c in range(parameters.choices):
+		for o in range(parameters.outputs):
+			var n = PoolByteArray([65+o]).get_string_from_ascii()+str(c)
+			rv.push_back({ name=n, label=n, type="rgba" })
+	return rv
+
+func get_output_defs() -> Array:
+	var rv : Array = []
+	for o in range(parameters.outputs):
+		var n = PoolByteArray([65+o]).get_string_from_ascii()
+		rv.push_back({ name=n, type="rgba" })
+	return rv
+
+func set_parameter(p, v) -> void:
+	if p == "outputs" or p == "choices":
+		var parent = get_parent()
+		if parent != null:
+			var connected_inputs : Array = parent.get_connected_inputs(self)
+			var connected_outputs : Array = parent.get_connected_outputs(self)
+			var inputs_changes : Dictionary = {}
+			var outputs_changes : Dictionary = {}
+			if p == "outputs":
+				for i in connected_inputs:
+					var input = int(i) % int(parameters.outputs)
+					var choice = int(i) / int(parameters.outputs)
+					if input >= v:
+						inputs_changes[i] = -1
+					else:
+						inputs_changes[i] = input + v * choice
+				for i in connected_outputs:
+					if i >= v:
+						outputs_changes[i] = -1
+			else:
+				for i in connected_inputs:
+					var input = int(i) % int(parameters.outputs)
+					var choice = int(i) / int(parameters.outputs)
+					if choice >= v:
+						inputs_changes[i] = -1
+			parent.reconnect_inputs(self, inputs_changes)
+			parent.reconnect_outputs(self, outputs_changes)
+	.set_parameter(p, v)
+	emit_signal("parameter_changed", "__update_all__", null)
+
+# get the list of outputs that depend on the input whose index is passed as parameter
+func follow_input(input_index : int) -> Array:
+	return [ OutputPort.new(self, input_index % int(parameters.outputs)) ]
+
+func source_changed(input_index : int) -> void:
+	if parameters.has("outputs"):
+		notify_output_change(input_index % int(parameters.outputs))
+
+func _get_shader_code(uv : String, output_index : int, context : MMGenContext) -> Dictionary:
+	var source = get_source(output_index+parameters.source*parameters.outputs)
+	if source != null:
+		var rv = source.generator._get_shader_code(uv, source.output_index, context)
+		while rv is GDScriptFunctionState:
+			rv = yield(rv, "completed")
+		return rv
+	return { globals=[], defs="", code="", textures={} }
+
+func _serialize(data: Dictionary) -> Dictionary:
+	return data

addons/material_maker/engine/gen_texture.gd

@@ -0,0 +1,30 @@
+tool
+extends MMGenBase
+class_name MMGenTexture
+
+"""
+Base class for texture generators that provide a texture as output
+"""
+
+var texture : ImageTexture = ImageTexture.new()
+
+func get_output_defs() -> Array:
+	return [ { rgba="" } ]
+
+func _get_shader_code_lod(uv : String, output_index : int, context : MMGenContext, lod : float = 0.0) -> Dictionary:
+	var genname = "o"+str(get_instance_id())
+	var rv = { globals=[], defs="", code="" }
+	var texture_name = genname+"_tex"
+	var variant_index = context.get_variant(self, uv)
+	if variant_index == -1:
+		variant_index = context.get_variant(self, uv)
+		if lod == 0.0:
+			rv.code = "vec4 %s_%d = texture(%s, %s);\n" % [ genname, variant_index, texture_name, uv ]
+		else:
+			rv.code = "vec4 %s_%d = textureLod(%s, %s, %.9f);\n" % [ genname, variant_index, texture_name, uv, lod ]
+	rv.rgba = "%s_%d" % [ genname, variant_index ]
+	rv.textures = { texture_name:texture }
+	return rv
+
+func _get_shader_code(uv : String, output_index : int, context : MMGenContext) -> Dictionary:
+	return _get_shader_code_lod(uv, output_index, context)

addons/material_maker/engine/loader.gd

@@ -0,0 +1,106 @@
+tool
+extends Object
+class_name MMGenLoader
+
+const STD_GENDEF_PATH = "res://addons/material_maker/nodes"
+
+static func generator_name_from_path(path : String) -> String:
+	for p in [ STD_GENDEF_PATH, OS.get_executable_path().get_base_dir()+"/generators" ]:
+		print(p)
+	print(path.get_base_dir())
+	return path.get_basename().get_file()
+
+static func load_gen(filename: String) -> MMGenBase:
+	var file = File.new()
+	if file.open(filename, File.READ) == OK:
+		var data = parse_json(file.get_as_text())
+		return create_gen(data)
+	return null
+
+static func add_to_gen_graph(gen_graph, generators, connections) -> Dictionary:
+	var rv = { generators=[], connections=[] }
+	var gennames = {}
+	for n in generators:
+		var g = create_gen(n)
+		if g != null:
+			var orig_name = g.name
+			gen_graph.add_generator(g)
+			rv.generators.append(g)
+			gennames[orig_name] = g.name
+	for c in connections:
+		if gennames.has(c.from) and gennames.has(c.to):
+			c.from = gennames[c.from]
+			c.to = gennames[c.to]
+			if gen_graph.connect_children(gen_graph.get_node(c.from), c.from_port, gen_graph.get_node(c.to), c.to_port):
+				rv.connections.append(c)
+	return rv
+
+static func create_gen(data) -> MMGenBase:
+	var guess = [
+		{ keyword="connections", type=MMGenGraph },
+		{ keyword="nodes", type=MMGenGraph },
+		{ keyword="shader_model", type=MMGenShader },
+		{ keyword="convolution_params", type=MMGenConvolution },
+		{ keyword="model_data", type=MMGenShader },
+		{ keyword="convolution_params", type=MMGenConvolution },
+		{ keyword="widgets", type=MMGenRemote }
+	]
+	var types = {
+		material = MMGenMaterial,
+		buffer = MMGenBuffer,
+		image = MMGenImage,
+		ios = MMGenIOs,
+		switch = MMGenSwitch,
+		export = MMGenExport,
+		comment = MMGenComment,
+		debug = MMGenDebug
+	}
+	var generator = null
+	for g in guess:
+		if data.has(g.keyword):
+			generator = g.type.new()
+			break
+	if generator == null and data.has("type"):
+		if types.has(data.type):
+			generator = types[data.type].new()
+		else:
+			var file = File.new()
+			var gen_paths = [ STD_GENDEF_PATH, OS.get_executable_path().get_base_dir()+"/generators" ]
+			for p in gen_paths:
+				if file.open(p+"/"+data.type+".mmg", File.READ) == OK:
+					generator = create_gen(parse_json(file.get_as_text()))
+					generator.model = data.type
+					file.close()
+					break
+				elif file.open(p+"/"+data.type+".mmn", File.READ) == OK:
+					generator = MMGenShader.new()
+					generator.model = data.type
+					generator.set_shader_model(parse_json(file.get_as_text()))
+					file.close()
+					break
+			if generator == null:
+				print("Cannot find description for "+data.type)
+		if generator != null:
+			generator.name = data.type
+	if generator == null:
+		print("LOADER: data not supported:"+str(data))
+	if generator != null:
+		generator.deserialize(data)
+	return generator
+
+static func get_generator_list() -> Array:
+	var rv = []
+	var dir : Directory = Directory.new()
+	for p in [ STD_GENDEF_PATH, OS.get_executable_path().get_base_dir()+"/generators" ]:
+		dir.open(p)
+		dir.list_dir_begin(true)
+		while true:
+			var f = dir.get_next()
+			if f == "":
+				break
+			if f.right(f.length()-4) == ".mmg":
+				var n = f.left(f.length()-4)
+				if rv.find(n) == -1:
+					rv.push_back(n)
+	rv.sort()
+	return rv

addons/material_maker/engine/renderer.gd

@@ -0,0 +1,113 @@
+tool
+extends Viewport
+class_name MMGenRenderer
+
+export(String) var debug_path = ""
+var debug_file_index : int = 0
+
+var rendering : bool = false
+signal done
+
+func _ready() -> void:
+	$ColorRect.material = $ColorRect.material.duplicate(true)
+
+static func generate_shader(src_code) -> String:
+	var code
+	code = "shader_type canvas_item;\n"
+	code += "render_mode blend_disabled;\n"
+	var file = File.new()
+	file.open("res://addons/material_maker/common.shader", File.READ)
+	code += file.get_as_text()
+	code += "\n"
+	if src_code.has("textures"):
+		for t in src_code.textures.keys():
+			code += "uniform sampler2D "+t+";\n"
+	if src_code.has("globals"):
+		for g in src_code.globals:
+			code += g
+	var shader_code = src_code.defs
+	shader_code += "\nvoid fragment() {\n"
+	shader_code += src_code.code
+	shader_code += "COLOR = "+src_code.rgba+";\n"
+	shader_code += "}\n"
+	#print("GENERATED SHADER:\n"+shader_code)
+	code += shader_code
+	return code
+
+static func generate_combined_shader(red_code, green_code, blue_code) -> String:
+	var code
+	code = "shader_type canvas_item;\n"
+	code += "render_mode blend_disabled;\n"
+	var file = File.new()
+	file.open("res://addons/material_maker/common.shader", File.READ)
+	code += file.get_as_text()
+	code += "\n"
+	var globals = []
+	for c in [ red_code, green_code, blue_code ]:
+		if c.has("globals"):
+			for g in c.globals:
+				if globals.find(g) == -1:
+					globals.push_back(g)
+	for g in globals:
+		code += g
+	var shader_code = ""
+	shader_code += red_code.defs
+	shader_code += green_code.defs
+	shader_code += blue_code.defs
+	shader_code += "void fragment() {\n"
+	shader_code += red_code.code
+	shader_code += green_code.code
+	shader_code += blue_code.code
+	shader_code += "COLOR = vec4("+red_code.f+", "+green_code.f+", "+blue_code.f+", 1.0);\n"
+	shader_code += "}\n"
+	#print("GENERATED COMBINED SHADER:\n"+shader_code)
+	code += shader_code
+	return code
+
+func setup_material(shader_material, textures, shader_code) -> void:
+	for k in textures.keys():
+		shader_material.set_shader_param(k+"_tex", textures[k])
+	shader_material.shader.code = shader_code
+
+func render_shader(shader, textures, render_size) -> Object:
+	if debug_path != null and debug_path != "":
+		var file_name = debug_path+str(debug_file_index)+".shader"
+		var f = File.new()
+		f.open(debug_path+str(debug_file_index)+".shader", File.WRITE)
+		f.store_string(shader)
+		f.close()
+		debug_file_index += 1
+		print("shader saved as "+file_name)
+	while rendering:
+		yield(self, "done")
+	rendering = true
+	size = Vector2(render_size, render_size)
+	$ColorRect.rect_position = Vector2(0, 0)
+	$ColorRect.rect_size = size
+	var shader_material = $ColorRect.material
+	shader_material.shader.code = shader
+	if textures != null:
+		for k in textures.keys():
+			shader_material.set_shader_param(k, textures[k])
+	render_target_update_mode = Viewport.UPDATE_ONCE
+	update_worlds()
+	yield(get_tree(), "idle_frame")
+	yield(get_tree(), "idle_frame")
+	return self
+
+func copy_to_texture(t : ImageTexture) -> void:
+	var image : Image = get_texture().get_data()
+	if image != null:
+		image.lock()
+		t.create_from_image(get_texture().get_data())
+		image.unlock()
+
+func save_to_file(fn : String) -> void:
+	var image : Image = get_texture().get_data()
+	image.lock()
+	image.save_png(fn)
+	image.unlock()
+
+func release() -> void:
+	rendering = false
+	emit_signal("done")

addons/material_maker/engine/renderer.tscn

@@ -0,0 +1,34 @@
+[gd_scene load_steps=4 format=2]
+
+[ext_resource path="res://addons/material_maker/engine/renderer.gd" type="Script" id=1]
+
+[sub_resource type="Shader" id=1]
+code = "shader_type canvas_item;
+
+void fragment() {
+	COLOR = vec4(1.0);
+}
+"
+
+[sub_resource type="ShaderMaterial" id=2]
+shader = SubResource( 1 )
+
+[node name="Renderer" type="Viewport"]
+own_world = true
+transparent_bg = true
+hdr = false
+keep_3d_linear = true
+usage = 0
+render_target_v_flip = true
+render_target_update_mode = 1
+gui_disable_input = true
+script = ExtResource( 1 )
+
+[node name="ColorRect" type="ColorRect" parent="."]
+material = SubResource( 2 )
+margin_right = 40.0
+margin_bottom = 40.0
+
+[node name="Timer" type="Timer" parent="."]
+wait_time = 0.1
+one_shot = true

addons/material_maker/environment.gd

@@ -0,0 +1,3 @@
+extends Spatial
+
+export var environment : Environment

addons/material_maker/examples/brick_rotated.ptex

@@ -0,0 +1,331 @@
+{
+	"connections": [
+		{
+			"from": "bricks",
+			"from_port": 2,
+			"to": "transform",
+			"to_port": 1
+		},
+		{
+			"from": "bricks",
+			"from_port": 3,
+			"to": "transform",
+			"to_port": 2
+		},
+		{
+			"from": "bricks",
+			"from_port": 0,
+			"to": "blend",
+			"to_port": 1
+		},
+		{
+			"from": "transform",
+			"from_port": 0,
+			"to": "blend",
+			"to_port": 0
+		},
+		{
+			"from": "pattern",
+			"from_port": 0,
+			"to": "transform",
+			"to_port": 0
+		},
+		{
+			"from": "bricks",
+			"from_port": 1,
+			"to": "transform",
+			"to_port": 3
+		},
+		{
+			"from": "blend",
+			"from_port": 0,
+			"to": "colorize",
+			"to_port": 0
+		},
+		{
+			"from": "colorize",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 6
+		},
+		{
+			"from": "blend",
+			"from_port": 0,
+			"to": "normal_map",
+			"to_port": 0
+		},
+		{
+			"from": "normal_map",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 4
+		}
+	],
+	"label": "Graph",
+	"name": "47",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 70,
+				"y": 113
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 1,
+				"emission_energy": 1,
+				"metallic": 1,
+				"normal_scale": 1,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "bricks",
+			"node_position": {
+				"x": -549.5,
+				"y": -120.5
+			},
+			"parameters": {
+				"bevel": 0.1,
+				"columns": 3,
+				"mortar": 0.1,
+				"pattern": 0,
+				"repeat": 1,
+				"row_offset": 0.5,
+				"rows": 6
+			},
+			"shader_model": {
+				"code": "vec4 $(name_uv) = $(name)_xyzw($(uv));\n",
+				"global": "vec4 brick(vec2 uv, vec2 bmin, vec2 bmax, float mortar, float bevel) {\n\tfloat color;\n\tvec2 c1 = (uv-bmin-vec2(mortar))/bevel;\n\tvec2 c2 = (bmax-uv-vec2(mortar))/bevel;\n\tvec2 c = min(c1, c2);\n\tcolor = clamp(min(c.x, c.y), 0.0, 1.0);\n\tvec2 tiled_brick_pos = mod(bmin, vec2(1.0, 1.0));\n\treturn vec4(color, 0.5*(bmin+bmax), tiled_brick_pos.x+7.0*tiled_brick_pos.y);\n}\n\nvec4 bricks_rb(vec2 uv, vec2 count, float repeat, float offset, float mortar, float bevel) {\n\tcount *= repeat;\n\tmortar /= max(count.x, count.y);\n\tbevel /= max(count.x, count.y);\n\tfloat x_offset = offset*step(0.5, fract(uv.y*count.y*0.5));\n\tvec2 bmin = floor(vec2(uv.x*count.x-x_offset, uv.y*count.y));\n\tbmin.x += x_offset;\n\tbmin /= count;\n\treturn brick(uv, bmin, bmin+vec2(1.0)/count, mortar, bevel);\n}\n\nvec4 bricks_rb2(vec2 uv, vec2 count, float repeat, float offset, float mortar, float bevel) {\n\tcount *= repeat;\n\tmortar /= max(2.0*count.x, count.y);\n\tbevel /= max(2.0*count.x, count.y);\n\tfloat x_offset = offset*step(0.5, fract(uv.y*count.y*0.5));\n\tcount.x = count.x*(1.0+step(0.5, fract(uv.y*count.y*0.5)));\n\tvec2 bmin = floor(vec2(uv.x*count.x-x_offset, uv.y*count.y));\n\tbmin.x += x_offset;\n\tbmin /= count;\n\treturn brick(uv, bmin, bmin+vec2(1.0)/count, mortar, bevel);\n}\n\nvec4 bricks_hb(vec2 uv, vec2 count, float repeat, float offset, float mortar, float bevel) {\n\tfloat pc = count.x+count.y;\n\tfloat c = pc*repeat;\n\tmortar /= c;\n\tbevel /= c;\n\tvec2 corner = floor(uv*c);\n\tfloat cdiff = mod(corner.x-corner.y, pc);\n\tif (cdiff < count.x) {\n\t\treturn brick(uv, (corner-vec2(cdiff, 0.0))/c, (corner-vec2(cdiff, 0.0)+vec2(count.x, 1.0))/c, mortar, bevel);\n\t} else {\n\t\treturn brick(uv, (corner-vec2(0.0, pc-cdiff-1.0))/c, (corner-vec2(0.0, pc-cdiff-1.0)+vec2(1.0, count.y))/c, mortar, bevel);\n\t}\n}\n\nvec4 bricks_bw(vec2 uv, vec2 count, float repeat, float offset, float mortar, float bevel) {\n\tvec2 c = 2.0*count*repeat;\n\tfloat mc = max(c.x, c.y);\n\tmortar /= mc;\n\tbevel /= mc;\n\tvec2 corner1 = floor(uv*c);\n\tvec2 corner2 = count*floor(repeat*2.0*uv);\n\tfloat cdiff = mod(dot(floor(repeat*2.0*uv), vec2(1.0)), 2.0);\n\tvec2 corner;\n\tvec2 size;\n\tif (cdiff == 0.0) {\n\t\tcorner = vec2(corner1.x, corner2.y);\n\t\tsize = vec2(1.0, count.y);\n\t} else {\n\t\tcorner = vec2(corner2.x, corner1.y);\n\t\tsize = vec2(count.x, 1.0);\n\t}\n\treturn brick(uv, corner/c, (corner+size)/c, mortar, bevel);\n}\n\nvec4 bricks_sb(vec2 uv, vec2 count, float repeat, float offset, float mortar, float bevel) {\n\tvec2 c = (count+vec2(1.0))*repeat;\n\tfloat mc = max(c.x, c.y);\n\tmortar /= mc;\n\tbevel /= mc;\n\tvec2 corner1 = floor(uv*c);\n\tvec2 corner2 = (count+vec2(1.0))*floor(repeat*uv);\n\tvec2 rcorner = corner1 - corner2;\n\tvec2 corner;\n\tvec2 size;\n\tif (rcorner.x == 0.0 && rcorner.y < count.y) {\n\t\tcorner = corner2;\n\t\tsize = vec2(1.0, count.y);\n\t} else if (rcorner.y == 0.0) {\n\t\tcorner = corner2+vec2(1.0, 0.0);\n\t\tsize = vec2(count.x, 1.0);\n\t} else if (rcorner.x == count.x) {\n\t\tcorner = corner2+vec2(count.x, 1.0);\n\t\tsize = vec2(1.0, count.y);\n\t} else if (rcorner.y == count.y) {\n\t\tcorner = corner2+vec2(0.0, count.y);\n\t\tsize = vec2(count.x, 1.0);\n\t} else {\n\t\tcorner = corner2+vec2(1.0);\n\t\tsize = vec2(count.x-1.0, count.y-1.0);\n\t}\n\treturn brick(uv, corner/c, (corner+size)/c, mortar, bevel);\n}",
+				"inputs": [
+
+				],
+				"instance": "vec4 $(name)_xyzw(vec2 uv) {\n    return bricks_$(pattern)(uv, vec2($(columns), $(rows)), $(repeat), $(row_offset), $(mortar), max(0.001, $(bevel)));\n}",
+				"name": "Bricks",
+				"outputs": [
+					{
+						"f": "$(name_uv).x",
+						"type": "f"
+					},
+					{
+						"rgb": "rand3(vec2($(name_uv).w, $(seed)))",
+						"type": "rgb"
+					},
+					{
+						"f": "$(name_uv).y",
+						"type": "f"
+					},
+					{
+						"f": "$(name_uv).z",
+						"type": "f"
+					}
+				],
+				"parameters": [
+					{
+						"default": 0,
+						"label": "",
+						"name": "pattern",
+						"type": "enum",
+						"values": [
+							{
+								"name": "Running bond",
+								"value": "rb"
+							},
+							{
+								"name": "Running bond (2)",
+								"value": "rb2"
+							},
+							{
+								"name": "HerringBone",
+								"value": "hb"
+							},
+							{
+								"name": "Basket weave",
+								"value": "bw"
+							},
+							{
+								"name": "Spanish bond",
+								"value": "sb"
+							}
+						]
+					},
+					{
+						"default": 1,
+						"label": "Repeat:",
+						"max": 8,
+						"min": 1,
+						"name": "repeat",
+						"step": 1,
+						"type": "float",
+						"widget": "spinbox"
+					},
+					{
+						"default": 6,
+						"label": "Rows:",
+						"max": 64,
+						"min": 1,
+						"name": "rows",
+						"step": 1,
+						"type": "float",
+						"widget": "spinbox"
+					},
+					{
+						"default": 3,
+						"label": "Columns:",
+						"max": 64,
+						"min": 1,
+						"name": "columns",
+						"step": 1,
+						"type": "float",
+						"widget": "spinbox"
+					},
+					{
+						"default": 0.5,
+						"label": "Offset:",
+						"max": 1,
+						"min": 0,
+						"name": "row_offset",
+						"step": 0,
+						"type": "float"
+					},
+					{
+						"default": 0.1,
+						"label": "Mortar:",
+						"max": 0.5,
+						"min": 0,
+						"name": "mortar",
+						"step": 0,
+						"type": "float"
+					},
+					{
+						"default": 0.1,
+						"label": "Bevel:",
+						"max": 0.5,
+						"min": 0,
+						"name": "bevel",
+						"step": 0,
+						"type": "float"
+					}
+				]
+			},
+			"type": "shader"
+		},
+		{
+			"name": "blend",
+			"node_position": {
+				"x": -286.5,
+				"y": 14.5
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 2
+			},
+			"type": "blend"
+		},
+		{
+			"name": "pattern",
+			"node_position": {
+				"x": -547.5,
+				"y": -227.068176
+			},
+			"parameters": {
+				"mix": 0,
+				"x_scale": 1,
+				"x_wave": 3,
+				"y_scale": 0,
+				"y_wave": 4
+			},
+			"type": "pattern"
+		},
+		{
+			"name": "colorize",
+			"node_position": {
+				"x": -10.209106,
+				"y": -146.068176
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 1,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "transform",
+			"node_position": {
+				"x": -258.5,
+				"y": -196.5
+			},
+			"parameters": {
+				"repeat": false,
+				"rotate": 360,
+				"scale_x": 1,
+				"scale_y": 1,
+				"translate_x": 0.5,
+				"translate_y": 0.5
+			},
+			"type": "transform"
+		},
+		{
+			"name": "comment",
+			"node_position": {
+				"x": -391.274048,
+				"y": 165.542206
+			},
+			"parameters": {
+				"size": 4
+			},
+			"size": {
+				"x": 280,
+				"y": 85
+			},
+			"text": "This example shows how to use the 3rd and 4th outputs of the bricks node to get the center of each brick.",
+			"type": "comment"
+		},
+		{
+			"name": "normal_map",
+			"node_position": {
+				"x": 14.29071,
+				"y": -40.645294
+			},
+			"parameters": {
+				"param0": 11,
+				"param1": 0.995
+			},
+			"type": "normal_map"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/clump_of_grass.ptex

@@ -1 +1,259 @@
-{"connections":[{"from":"colorize_0","from_port":0,"to":"Material","to_port":0},{"from":"perlin_0","from_port":0,"to":"blend_0","to_port":1},{"from":"pattern_0","from_port":0,"to":"blend_0","to_port":0},{"from":"blend_0","from_port":0,"to":"transform_0","to_port":0},{"from":"transform_0","from_port":0,"to":"colorize_0","to_port":0},{"from":"colorize_1","from_port":0,"to":"transform_0","to_port":4},{"from":"pattern_1","from_port":0,"to":"colorize_1","to_port":0},{"from":"transform_0","from_port":0,"to":"normal_map_0","to_port":0},{"from":"normal_map_0","from_port":0,"to":"Material","to_port":4}],"nodes":[{"name":"perlin_0","node_position":{"x":-254,"y":101},"parameters":{"iterations":4,"persistence":1,"scale_x":32,"scale_y":4},"type":"perlin"},{"name":"pattern_0","node_position":{"x":-272,"y":-14},"parameters":{"mix":0,"x_scale":1,"x_wave":0,"y_scale":1,"y_wave":3},"type":"pattern"},{"name":"blend_0","node_position":{"x":-4,"y":18},"parameters":{"amount":1,"blend_type":2},"type":"blend"},{"name":"pattern_1","node_position":{"x":-295,"y":245},"parameters":{"mix":0,"x_scale":4,"x_wave":4,"y_scale":1,"y_wave":3},"type":"pattern"},{"name":"colorize_1","node_position":{"x":-8,"y":207},"parameters":{"gradient":{"points":[{"a":1,"b":1,"g":1,"pos":0,"r":1},{"a":1,"b":0.765625,"g":0.765625,"pos":1,"r":0.765625}],"type":"Gradient"}},"type":"colorize"},{"name":"transform_0","node_position":{"x":206,"y":16},"parameters":{"repeat":false,"rotate":0,"scale_x":1.6,"scale_y":1,"translate_x":0,"translate_y":0},"type":"transform"},{"name":"colorize_0","node_position":{"x":435,"y":12},"parameters":{"gradient":{"points":[{"a":0,"b":0,"g":0.5,"pos":0.081818,"r":0.125},{"a":1,"b":0,"g":0.5,"pos":0.145455,"r":0.125},{"a":1,"b":0,"g":0.203125,"pos":0.436364,"r":0.050781},{"a":1,"b":0,"g":0.362165,"pos":0.727273,"r":0.090541},{"a":1,"b":0,"g":0.203125,"pos":1,"r":0.050781}],"type":"Gradient"}},"type":"colorize"},{"name":"normal_map_0","node_position":{"x":459.70459,"y":136},"parameters":{"amount":0.5,"size":2},"type":"normal_map"},{"name":"Material","node_position":{"x":790,"y":-6},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":1,"metallic":0,"normal_scale":1,"resolution":1,"roughness":1},"type":"material"}]}
+{
+	"connections": [
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		},
+		{
+			"from": "perlin_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 1
+		},
+		{
+			"from": "pattern_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 0
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "transform_0",
+			"to_port": 0
+		},
+		{
+			"from": "transform_0",
+			"from_port": 0,
+			"to": "colorize_0",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_1",
+			"from_port": 0,
+			"to": "transform_0",
+			"to_port": 4
+		},
+		{
+			"from": "pattern_1",
+			"from_port": 0,
+			"to": "colorize_1",
+			"to_port": 0
+		},
+		{
+			"from": "transform_0",
+			"from_port": 0,
+			"to": "normal_map",
+			"to_port": 0
+		},
+		{
+			"from": "normal_map",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 4
+		}
+	],
+	"label": "Graph",
+	"name": "222",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "perlin_0",
+			"node_position": {
+				"x": -254,
+				"y": 101
+			},
+			"parameters": {
+				"iterations": 4,
+				"persistence": 1,
+				"scale_x": 32,
+				"scale_y": 4
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "pattern_0",
+			"node_position": {
+				"x": -272,
+				"y": -14
+			},
+			"parameters": {
+				"mix": 0,
+				"x_scale": 1,
+				"x_wave": 0,
+				"y_scale": 1,
+				"y_wave": 3
+			},
+			"type": "pattern"
+		},
+		{
+			"name": "blend_0",
+			"node_position": {
+				"x": -4,
+				"y": 18
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 2
+			},
+			"type": "blend"
+		},
+		{
+			"name": "pattern_1",
+			"node_position": {
+				"x": -295,
+				"y": 245
+			},
+			"parameters": {
+				"mix": 0,
+				"x_scale": 4,
+				"x_wave": 4,
+				"y_scale": 1,
+				"y_wave": 3
+			},
+			"type": "pattern"
+		},
+		{
+			"name": "colorize_1",
+			"node_position": {
+				"x": -8,
+				"y": 207
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0.765625,
+							"g": 0.765625,
+							"pos": 1,
+							"r": 0.765625
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "transform_0",
+			"node_position": {
+				"x": 206,
+				"y": 16
+			},
+			"parameters": {
+				"repeat": false,
+				"rotate": 0,
+				"scale_x": 1.6,
+				"scale_y": 1,
+				"translate_x": 0,
+				"translate_y": 0
+			},
+			"type": "transform"
+		},
+		{
+			"name": "colorize_0",
+			"node_position": {
+				"x": 435,
+				"y": 12
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 0,
+							"b": 0,
+							"g": 0.5,
+							"pos": 0.081818,
+							"r": 0.125
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.5,
+							"pos": 0.145455,
+							"r": 0.125
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.203125,
+							"pos": 0.436364,
+							"r": 0.050781
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.362165,
+							"pos": 0.727273,
+							"r": 0.090541
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.203125,
+							"pos": 1,
+							"r": 0.050781
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 790,
+				"y": -6
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 1,
+				"emission_energy": 1,
+				"metallic": 0,
+				"normal_scale": 1,
+				"resolution": 1,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "normal_map",
+			"node_position": {
+				"x": 478.850098,
+				"y": 143.444443
+			},
+			"parameters": {
+				"amount": 0.5,
+				"param0": 10,
+				"param1": 0.995
+			},
+			"type": "normal_map"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/crocodile_skin.ptex

@@ -1 +1,228 @@
-{"connections":[{"from":"voronoi_0","from_port":0,"to":"colorize_0","to_port":0},{"from":"colorize_0","from_port":0,"to":"normal_map_0","to_port":0},{"from":"normal_map_0","from_port":0,"to":"Material","to_port":4},{"from":"voronoi_0","from_port":0,"to":"colorize_1","to_port":0},{"from":"colorize_1","from_port":0,"to":"Material","to_port":0},{"from":"voronoi_0","from_port":0,"to":"colorize_3","to_port":0},{"from":"colorize_3","from_port":0,"to":"Material","to_port":2},{"from":"uniform_0","from_port":0,"to":"Material","to_port":1}],"nodes":[{"name":"Material","node_position":{"x":674,"y":164},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":1,"metallic":1,"normal_scale":1,"resolution":1,"roughness":1},"type":"material"},{"name":"colorize_1","node_position":{"x":384,"y":137},"parameters":{"gradient":{"points":[{"a":1,"b":0.010715,"g":0.411458,"pos":0,"r":0.22361},{"a":1,"b":0,"g":1,"pos":1,"r":0.9375}],"type":"Gradient"}},"type":"colorize"},{"name":"colorize_3","node_position":{"x":384,"y":258},"parameters":{"gradient":{"points":[{"a":1,"b":0.505208,"g":0.505208,"pos":0,"r":0.505208},{"a":1,"b":0.78125,"g":0.78125,"pos":1,"r":0.78125}],"type":"Gradient"}},"type":"colorize"},{"name":"uniform_0","node_position":{"x":413,"y":208},"parameters":{"color":{"a":1,"b":0,"g":0,"r":0,"type":"Color"}},"type":"uniform"},{"name":"voronoi_0","node_position":{"x":71,"y":216},"parameters":{"intensity":0.4,"scale_x":16,"scale_y":16},"type":"voronoi"},{"name":"colorize_0","node_position":{"x":300,"y":330},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0,"pos":0,"r":0},{"a":1,"b":0.5,"g":0.5,"pos":0.345455,"r":0.5},{"a":1,"b":1,"g":1,"pos":0.618182,"r":1}],"type":"Gradient"}},"type":"colorize"},{"name":"normal_map_0","node_position":{"x":479,"y":334},"parameters":{"amount":0.5,"size":2},"type":"normal_map"}]}
+{
+	"connections": [
+		{
+			"from": "voronoi_0",
+			"from_port": 0,
+			"to": "colorize_0",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "normal_map_0",
+			"to_port": 0
+		},
+		{
+			"from": "normal_map_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 4
+		},
+		{
+			"from": "voronoi_0",
+			"from_port": 0,
+			"to": "colorize_1",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_1",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		},
+		{
+			"from": "voronoi_0",
+			"from_port": 0,
+			"to": "colorize_3",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_3",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 2
+		},
+		{
+			"from": "uniform_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 1
+		}
+	],
+	"label": "Graph",
+	"name": "240",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 674,
+				"y": 164
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 1,
+				"emission_energy": 1,
+				"metallic": 1,
+				"normal_scale": 1,
+				"resolution": 1,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "colorize_1",
+			"node_position": {
+				"x": 384,
+				"y": 137
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.010715,
+							"g": 0.411458,
+							"pos": 0,
+							"r": 0.22361
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 1,
+							"pos": 1,
+							"r": 0.9375
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_3",
+			"node_position": {
+				"x": 384,
+				"y": 258
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.505208,
+							"g": 0.505208,
+							"pos": 0,
+							"r": 0.505208
+						},
+						{
+							"a": 1,
+							"b": 0.78125,
+							"g": 0.78125,
+							"pos": 1,
+							"r": 0.78125
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "uniform_0",
+			"node_position": {
+				"x": 413,
+				"y": 208
+			},
+			"parameters": {
+				"color": {
+					"a": 1,
+					"b": 0,
+					"g": 0,
+					"r": 0,
+					"type": "Color"
+				}
+			},
+			"type": "uniform"
+		},
+		{
+			"name": "voronoi_0",
+			"node_position": {
+				"x": 71,
+				"y": 216
+			},
+			"parameters": {
+				"intensity": 0.4,
+				"randomness": 1,
+				"scale_x": 16,
+				"scale_y": 16
+			},
+			"type": "voronoi"
+		},
+		{
+			"name": "colorize_0",
+			"node_position": {
+				"x": 264,
+				"y": 331
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 0.5,
+							"g": 0.5,
+							"pos": 0.345455,
+							"r": 0.5
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.618182,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "normal_map_0",
+			"node_position": {
+				"x": 479,
+				"y": 334
+			},
+			"parameters": {
+				"amount": 0.5,
+				"param0": 11,
+				"param1": 0.99,
+				"size": 2
+			},
+			"type": "normal_map"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/dry_earth.ptex

@@ -1 +1,375 @@
-{"connections":[{"from":"perlin_0","from_port":0,"to":"colorize_0","to_port":0},{"from":"voronoi_0","from_port":1,"to":"colorize_1","to_port":0},{"from":"colorize_0","from_port":0,"to":"blend_0","to_port":1},{"from":"blend_0","from_port":0,"to":"Material","to_port":0},{"from":"colorize_1","from_port":0,"to":"warp_0","to_port":0},{"from":"perlin_1","from_port":0,"to":"warp_0","to_port":1},{"from":"warp_0","from_port":0,"to":"blend_0","to_port":0},{"from":"colorize_3","from_port":0,"to":"Material","to_port":1},{"from":"perlin_1","from_port":0,"to":"colorize_3","to_port":0},{"from":"warp_0","from_port":0,"to":"colorize_4","to_port":0},{"from":"normal_map_0","from_port":0,"to":"Material","to_port":4},{"from":"colorize_4","from_port":0,"to":"blend_1","to_port":1},{"from":"blend_1","from_port":0,"to":"normal_map_0","to_port":0},{"from":"perlin_0","from_port":0,"to":"blend_1","to_port":0}],"nodes":[{"name":"voronoi_0","node_position":{"x":-165,"y":-96.75},"parameters":{"intensity":0.6,"scale_x":4,"scale_y":4},"type":"voronoi"},{"name":"colorize_1","node_position":{"x":93,"y":-117.75},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0,"pos":0,"r":0},{"a":1,"b":1,"g":1,"pos":0.063636,"r":1}],"type":"Gradient"}},"type":"colorize"},{"name":"perlin_1","node_position":{"x":-144,"y":50.25},"parameters":{"iterations":3,"persistence":0.5,"scale_x":4,"scale_y":4},"type":"perlin"},{"name":"colorize_0","node_position":{"x":338,"y":-237.75},"parameters":{"gradient":{"points":[{"a":1,"b":0.200277,"g":0.378784,"pos":0.245455,"r":0.557292},{"a":1,"b":0.03776,"g":0.150513,"pos":0.645455,"r":0.25}],"type":"Gradient"}},"type":"colorize"},{"name":"perlin_0","node_position":{"x":56,"y":-361.75},"parameters":{"iterations":10,"persistence":0.9,"scale_x":2,"scale_y":2},"type":"perlin"},{"name":"Material","node_position":{"x":786,"y":53},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":1,"metallic":1,"normal_scale":1,"resolution":1,"roughness":1},"type":"material"},{"name":"colorize_3","node_position":{"x":465,"y":33.25},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0,"pos":0,"r":0},{"a":1,"b":0.520833,"g":0.520833,"pos":1,"r":0.520833}],"type":"Gradient"}},"type":"colorize"},{"name":"blend_0","node_position":{"x":541,"y":-82.75},"parameters":{"amount":0.4,"blend_type":2},"type":"blend"},{"name":"warp_0","node_position":{"x":264,"y":-13.75},"parameters":{"amount":0.4},"type":"warp"},{"name":"blend_1","node_position":{"x":458,"y":173.25},"parameters":{"amount":0.5,"blend_type":0},"type":"blend"},{"name":"normal_map_0","node_position":{"x":639,"y":147.25},"parameters":{"amount":0.35,"size":2},"type":"normal_map"},{"name":"colorize_4","node_position":{"x":252,"y":178.25},"parameters":{"gradient":{"points":[{"a":1,"b":1,"g":1,"pos":0,"r":1},{"a":1,"b":0,"g":0,"pos":1,"r":0}],"type":"Gradient"}},"type":"colorize"}]}
+{
+	"connections": [
+		{
+			"from": "perlin_0",
+			"from_port": 0,
+			"to": "colorize_0",
+			"to_port": 0
+		},
+		{
+			"from": "voronoi_0",
+			"from_port": 1,
+			"to": "colorize_1",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 1
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_1",
+			"from_port": 0,
+			"to": "warp_0",
+			"to_port": 0
+		},
+		{
+			"from": "perlin_1",
+			"from_port": 0,
+			"to": "warp_0",
+			"to_port": 1
+		},
+		{
+			"from": "warp_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_3",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 1
+		},
+		{
+			"from": "perlin_1",
+			"from_port": 0,
+			"to": "colorize_3",
+			"to_port": 0
+		},
+		{
+			"from": "warp_0",
+			"from_port": 0,
+			"to": "colorize_4",
+			"to_port": 0
+		},
+		{
+			"from": "normal_map_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 4
+		},
+		{
+			"from": "colorize_4",
+			"from_port": 0,
+			"to": "blend_1",
+			"to_port": 1
+		},
+		{
+			"from": "perlin_0",
+			"from_port": 0,
+			"to": "blend_1",
+			"to_port": 0
+		},
+		{
+			"from": "blend_1",
+			"from_port": 0,
+			"to": "colorize",
+			"to_port": 0
+		},
+		{
+			"from": "colorize",
+			"from_port": 0,
+			"to": "normal_map_0",
+			"to_port": 0
+		},
+		{
+			"from": "blend_1",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 6
+		}
+	],
+	"label": "Graph",
+	"name": "258",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "voronoi_0",
+			"node_position": {
+				"x": -165,
+				"y": -96.75
+			},
+			"parameters": {
+				"intensity": 0.6,
+				"randomness": 1,
+				"scale_x": 4,
+				"scale_y": 4
+			},
+			"type": "voronoi"
+		},
+		{
+			"name": "colorize_1",
+			"node_position": {
+				"x": 93,
+				"y": -117.75
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.063636,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "perlin_1",
+			"node_position": {
+				"x": -144,
+				"y": 50.25
+			},
+			"parameters": {
+				"iterations": 3,
+				"persistence": 0.5,
+				"scale_x": 4,
+				"scale_y": 4
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "colorize_0",
+			"node_position": {
+				"x": 338,
+				"y": -237.75
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.200277,
+							"g": 0.378784,
+							"pos": 0.245455,
+							"r": 0.557292
+						},
+						{
+							"a": 1,
+							"b": 0.03776,
+							"g": 0.150513,
+							"pos": 0.645455,
+							"r": 0.25
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "perlin_0",
+			"node_position": {
+				"x": 56,
+				"y": -361.75
+			},
+			"parameters": {
+				"iterations": 10,
+				"persistence": 0.9,
+				"scale_x": 2,
+				"scale_y": 2
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 944,
+				"y": -30
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 0.1,
+				"emission_energy": 1,
+				"metallic": 1,
+				"normal_scale": 1,
+				"resolution": 1,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "colorize_3",
+			"node_position": {
+				"x": 465,
+				"y": 33.25
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 0.520833,
+							"g": 0.520833,
+							"pos": 1,
+							"r": 0.520833
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "blend_0",
+			"node_position": {
+				"x": 541,
+				"y": -82.75
+			},
+			"parameters": {
+				"amount": 0.4,
+				"blend_type": 2
+			},
+			"type": "blend"
+		},
+		{
+			"name": "warp_0",
+			"node_position": {
+				"x": 264,
+				"y": -13.75
+			},
+			"parameters": {
+				"amount": 0.4,
+				"eps": 0.045,
+				"epsilon": 0
+			},
+			"type": "warp"
+		},
+		{
+			"name": "blend_1",
+			"node_position": {
+				"x": 442,
+				"y": 175.25
+			},
+			"parameters": {
+				"amount": 0.5,
+				"blend_type": 0
+			},
+			"type": "blend"
+		},
+		{
+			"name": "normal_map_0",
+			"node_position": {
+				"x": 706,
+				"y": 95.25
+			},
+			"parameters": {
+				"amount": 0.35,
+				"param0": 11,
+				"param1": 0.99,
+				"size": 2
+			},
+			"type": "normal_map"
+		},
+		{
+			"name": "colorize_4",
+			"node_position": {
+				"x": 252,
+				"y": 178.25
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 1,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize",
+			"node_position": {
+				"x": 717.815796,
+				"y": 200.5625
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 1,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/emmental.ptex

@@ -0,0 +1,297 @@
+{
+	"connections": [
+		{
+			"from": "voronoi",
+			"from_port": 0,
+			"to": "colorize_2",
+			"to_port": 0
+		},
+		{
+			"from": "normal_map",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 4
+		},
+		{
+			"from": "voronoi",
+			"from_port": 0,
+			"to": "colorize_3",
+			"to_port": 0
+		},
+		{
+			"from": "colorize",
+			"from_port": 0,
+			"to": "colorize_4",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_2",
+			"from_port": 0,
+			"to": "colorize",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_4",
+			"from_port": 0,
+			"to": "normal_map",
+			"to_port": 0
+		},
+		{
+			"from": "colorize",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 6
+		},
+		{
+			"from": "uniform",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_3",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 7
+		}
+	],
+	"label": "Graph",
+	"name": "49",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 223,
+				"y": -206
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 0.45,
+				"emission_energy": 0,
+				"metallic": 0.3,
+				"normal_scale": 1,
+				"roughness": 0.75,
+				"size": 11,
+				"subsurf_scatter_strength": 0
+			},
+			"type": "material"
+		},
+		{
+			"name": "voronoi",
+			"node_position": {
+				"x": -599.5,
+				"y": -175
+			},
+			"parameters": {
+				"intensity": 1,
+				"randomness": 0.49,
+				"scale_x": 6,
+				"scale_y": 6
+			},
+			"type": "voronoi"
+		},
+		{
+			"name": "colorize",
+			"node_position": {
+				"x": -301.5,
+				"y": -177
+			},
+			"parameters": {
+				"gradient": {
+					"interpolation": 3,
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0.884266,
+							"g": 0.884266,
+							"pos": 0.333916,
+							"r": 0.884266
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 1,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_2",
+			"node_position": {
+				"x": -295.5,
+				"y": -261
+			},
+			"parameters": {
+				"gradient": {
+					"interpolation": 1,
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.518182,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "uniform",
+			"node_position": {
+				"x": -55.5,
+				"y": -255
+			},
+			"parameters": {
+				"color": {
+					"a": 1,
+					"b": 0.458824,
+					"g": 0.964706,
+					"r": 1,
+					"type": "Color"
+				}
+			},
+			"type": "uniform"
+		},
+		{
+			"name": "normal_map",
+			"node_position": {
+				"x": -15.5,
+				"y": -180
+			},
+			"parameters": {
+				"amount": 0.5,
+				"param0": 11,
+				"param1": 0.945,
+				"param2": 1,
+				"size": 4
+			},
+			"type": "normal_map"
+		},
+		{
+			"name": "colorize_3",
+			"node_position": {
+				"x": -180.5,
+				"y": 42
+			},
+			"parameters": {
+				"gradient": {
+					"interpolation": 1,
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.454546,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.536364,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.818182,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.881819,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_4",
+			"node_position": {
+				"x": -253.769257,
+				"y": -52.75
+			},
+			"parameters": {
+				"gradient": {
+					"interpolation": 1,
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 1,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "pattern",
+			"node_position": {
+				"x": 57.955933,
+				"y": -332.75
+			},
+			"parameters": {
+				"mix": 4,
+				"x_scale": 16,
+				"x_wave": 2,
+				"y_scale": 16,
+				"y_wave": 2
+			},
+			"type": "pattern"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/floor2.ptex

@@ -1 +1,227 @@
-{"connections":[{"from":"perlin_0","from_port":0,"to":"colorize_0","to_port":0},{"from":"colorize_0","from_port":0,"to":"blend_0","to_port":1},{"from":"bricks_0","from_port":0,"to":"blend_0","to_port":0},{"from":"blend_0","from_port":0,"to":"Material","to_port":0},{"from":"bricks_0","from_port":0,"to":"normal_map_0","to_port":0},{"from":"normal_map_0","from_port":0,"to":"Material","to_port":4},{"from":"colorize_1","from_port":0,"to":"Material","to_port":2},{"from":"blend_0","from_port":0,"to":"colorize_1","to_port":0},{"from":"uniform_0","from_port":0,"to":"Material","to_port":1}],"nodes":[{"name":"Material","node_position":{"x":773,"y":290},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":1,"metallic":1,"normal_scale":1,"resolution":1,"roughness":1},"type":"material"},{"name":"perlin_0","node_position":{"x":7,"y":263},"parameters":{"iterations":7,"persistence":0.85,"scale_x":8,"scale_y":8},"type":"perlin"},{"name":"bricks_0","node_position":{"x":242,"y":382},"parameters":{"bevel":0.01,"columns":4,"mortar":0.01,"pattern":0,"repeat":1,"row_offset":0,"rows":4},"type":"bricks"},{"name":"normal_map_0","node_position":{"x":516,"y":466},"parameters":{"amount":0.2,"size":2},"type":"normal_map"},{"name":"colorize_1","node_position":{"x":510,"y":386},"parameters":{"gradient":{"points":[{"a":1,"b":1,"g":1,"pos":0,"r":1},{"a":1,"b":0.484375,"g":0.484375,"pos":1,"r":0.484375}],"type":"Gradient"}},"type":"colorize"},{"name":"colorize_0","node_position":{"x":232,"y":286},"parameters":{"gradient":{"points":[{"a":1,"b":0.588542,"g":0.742839,"pos":0,"r":1},{"a":1,"b":1,"g":1,"pos":0.654545,"r":1}],"type":"Gradient"}},"type":"colorize"},{"name":"blend_0","node_position":{"x":419,"y":186},"parameters":{"amount":1,"blend_type":2},"type":"blend"},{"name":"uniform_0","node_position":{"x":563,"y":314},"parameters":{"color":{"a":1,"b":0.128906,"g":0.128906,"r":0.128906,"type":"Color"}},"type":"uniform"}]}
+{
+	"connections": [
+		{
+			"from": "perlin_0",
+			"from_port": 0,
+			"to": "colorize_0",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 1
+		},
+		{
+			"from": "bricks_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 0
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		},
+		{
+			"from": "bricks_0",
+			"from_port": 0,
+			"to": "normal_map_0",
+			"to_port": 0
+		},
+		{
+			"from": "normal_map_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 4
+		},
+		{
+			"from": "colorize_1",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 2
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "colorize_1",
+			"to_port": 0
+		},
+		{
+			"from": "uniform_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 1
+		}
+	],
+	"label": "Graph",
+	"name": "293",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 773,
+				"y": 290
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 1,
+				"emission_energy": 1,
+				"metallic": 1,
+				"normal_scale": 1,
+				"resolution": 1,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "perlin_0",
+			"node_position": {
+				"x": 7,
+				"y": 263
+			},
+			"parameters": {
+				"iterations": 7,
+				"persistence": 0.85,
+				"scale_x": 8,
+				"scale_y": 8
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "bricks_0",
+			"node_position": {
+				"x": 242,
+				"y": 382
+			},
+			"parameters": {
+				"bevel": 0.01,
+				"columns": 4,
+				"mortar": 0.01,
+				"pattern": 0,
+				"repeat": 1,
+				"row_offset": 0,
+				"rows": 4
+			},
+			"type": "bricks"
+		},
+		{
+			"name": "normal_map_0",
+			"node_position": {
+				"x": 516,
+				"y": 466
+			},
+			"parameters": {
+				"amount": 0.2,
+				"param0": 11,
+				"param1": 0.99,
+				"size": 2
+			},
+			"type": "normal_map"
+		},
+		{
+			"name": "colorize_1",
+			"node_position": {
+				"x": 510,
+				"y": 386
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0.484375,
+							"g": 0.484375,
+							"pos": 1,
+							"r": 0.484375
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_0",
+			"node_position": {
+				"x": 232,
+				"y": 286
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.588542,
+							"g": 0.742839,
+							"pos": 0,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.654545,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "blend_0",
+			"node_position": {
+				"x": 419,
+				"y": 186
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 2
+			},
+			"type": "blend"
+		},
+		{
+			"name": "uniform_0",
+			"node_position": {
+				"x": 563,
+				"y": 314
+			},
+			"parameters": {
+				"color": {
+					"a": 1,
+					"b": 0.128906,
+					"g": 0.128906,
+					"r": 0.128906,
+					"type": "Color"
+				}
+			},
+			"type": "uniform"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/grass_with_flowers.ptex

@@ -1 +1,289 @@
-{"connections":[{"from":"perlin_0","from_port":0,"to":"colorize_0","to_port":0},{"from":"voronoi_0","from_port":0,"to":"colorize_1","to_port":0},{"from":"colorize_0","from_port":0,"to":"blend_0","to_port":0},{"from":"colorize_1","from_port":0,"to":"blend_0","to_port":2},{"from":"perlin_0","from_port":0,"to":"normal_map_0","to_port":0},{"from":"normal_map_0","from_port":0,"to":"Material","to_port":4},{"from":"voronoi_0","from_port":2,"to":"blend_0","to_port":1},{"from":"voronoi_0","from_port":0,"to":"colorize_2","to_port":0},{"from":"blend_0","from_port":0,"to":"blend_1","to_port":0},{"from":"blend_1","from_port":0,"to":"Material","to_port":0},{"from":"colorize_2","from_port":0,"to":"blend_1","to_port":2},{"from":"uniform_0","from_port":0,"to":"blend_1","to_port":1},{"from":"colorize_1","from_port":0,"to":"Material","to_port":2}],"nodes":[{"name":"colorize_0","node_position":{"x":335,"y":-261.75},"parameters":{"gradient":{"points":[{"a":1,"b":0.15682,"g":0.734375,"pos":0.445455,"r":0.247062},{"a":1,"b":0.112522,"g":0.317708,"pos":0.863636,"r":0.144582}],"type":"Gradient"}},"type":"colorize"},{"name":"Material","node_position":{"x":996,"y":22},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":0,"metallic":0,"normal_scale":1,"resolution":1,"roughness":1},"type":"material"},{"name":"normal_map_0","node_position":{"x":494,"y":258.25},"parameters":{"amount":0.8,"size":2},"type":"normal_map"},{"name":"colorize_1","node_position":{"x":524,"y":-26.75},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0,"pos":0.245455,"r":0},{"a":1,"b":1,"g":1,"pos":0.436364,"r":1}],"type":"Gradient"}},"type":"colorize"},{"name":"colorize_2","node_position":{"x":413,"y":71.25},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0,"pos":0.118182,"r":0},{"a":1,"b":1,"g":1,"pos":0.172727,"r":1}],"type":"Gradient"}},"type":"colorize"},{"name":"blend_1","node_position":{"x":826,"y":-119.75},"parameters":{"amount":0.5,"blend_type":0},"type":"blend"},{"name":"uniform_0","node_position":{"x":690,"y":-104},"parameters":{"color":{"a":1,"b":0,"g":0.984375,"r":1,"type":"Color"}},"type":"uniform"},{"name":"perlin_0","node_position":{"x":-25,"y":-27.75},"parameters":{"iterations":9,"persistence":0.8,"scale_x":6,"scale_y":6},"type":"perlin"},{"name":"voronoi_0","node_position":{"x":269,"y":-104.75},"parameters":{"intensity":1,"scale_x":14,"scale_y":14},"type":"voronoi"},{"name":"blend_0","node_position":{"x":643,"y":-244.75},"parameters":{"amount":0.5,"blend_type":0},"type":"blend"}]}
+{
+	"connections": [
+		{
+			"from": "perlin_0",
+			"from_port": 0,
+			"to": "colorize_0",
+			"to_port": 0
+		},
+		{
+			"from": "voronoi_0",
+			"from_port": 0,
+			"to": "colorize_1",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_1",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 2
+		},
+		{
+			"from": "perlin_0",
+			"from_port": 0,
+			"to": "normal_map_0",
+			"to_port": 0
+		},
+		{
+			"from": "normal_map_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 4
+		},
+		{
+			"from": "voronoi_0",
+			"from_port": 2,
+			"to": "blend_0",
+			"to_port": 1
+		},
+		{
+			"from": "voronoi_0",
+			"from_port": 0,
+			"to": "colorize_2",
+			"to_port": 0
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "blend_1",
+			"to_port": 0
+		},
+		{
+			"from": "blend_1",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_2",
+			"from_port": 0,
+			"to": "blend_1",
+			"to_port": 2
+		},
+		{
+			"from": "uniform_0",
+			"from_port": 0,
+			"to": "blend_1",
+			"to_port": 1
+		},
+		{
+			"from": "colorize_1",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 2
+		}
+	],
+	"label": "Graph",
+	"name": "253",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "colorize_0",
+			"node_position": {
+				"x": 335,
+				"y": -261.75
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.15682,
+							"g": 0.734375,
+							"pos": 0.445455,
+							"r": 0.247062
+						},
+						{
+							"a": 1,
+							"b": 0.112522,
+							"g": 0.317708,
+							"pos": 0.863636,
+							"r": 0.144582
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 996,
+				"y": 22
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 1,
+				"emission_energy": 0,
+				"metallic": 0,
+				"normal_scale": 1,
+				"resolution": 1,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "normal_map_0",
+			"node_position": {
+				"x": 635,
+				"y": 142.25
+			},
+			"parameters": {
+				"amount": 0.8,
+				"param0": 11,
+				"param1": 0.25,
+				"size": 2
+			},
+			"type": "normal_map"
+		},
+		{
+			"name": "colorize_1",
+			"node_position": {
+				"x": 524,
+				"y": -26.75
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.245455,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.436364,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_2",
+			"node_position": {
+				"x": 413,
+				"y": 71.25
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.118182,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.172727,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "blend_1",
+			"node_position": {
+				"x": 826,
+				"y": -119.75
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 0
+			},
+			"type": "blend"
+		},
+		{
+			"name": "uniform_0",
+			"node_position": {
+				"x": 690,
+				"y": -104
+			},
+			"parameters": {
+				"color": {
+					"a": 1,
+					"b": 0,
+					"g": 0.984375,
+					"r": 1,
+					"type": "Color"
+				}
+			},
+			"type": "uniform"
+		},
+		{
+			"name": "perlin_0",
+			"node_position": {
+				"x": -25,
+				"y": -27.75
+			},
+			"parameters": {
+				"iterations": 9,
+				"persistence": 0.8,
+				"scale_x": 6,
+				"scale_y": 6
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "voronoi_0",
+			"node_position": {
+				"x": 269,
+				"y": -104.75
+			},
+			"parameters": {
+				"intensity": 1,
+				"randomness": 1,
+				"scale_x": 14,
+				"scale_y": 14
+			},
+			"type": "voronoi"
+		},
+		{
+			"name": "blend_0",
+			"node_position": {
+				"x": 643,
+				"y": -244.75
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 0
+			},
+			"type": "blend"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/halloween.ptex

@@ -0,0 +1,638 @@
+{
+	"connections": [
+		{
+			"from": "pattern",
+			"from_port": 0,
+			"to": "colorize",
+			"to_port": 0
+		},
+		{
+			"from": "colorize",
+			"from_port": 0,
+			"to": "normal_map",
+			"to_port": 0
+		},
+		{
+			"from": "perlin",
+			"from_port": 0,
+			"to": "colorize_2",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_2",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		},
+		{
+			"from": "normal_map",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 4
+		},
+		{
+			"from": "colorize",
+			"from_port": 0,
+			"to": "colorize_3",
+			"to_port": 0
+		},
+		{
+			"from": "graph",
+			"from_port": 0,
+			"to": "transform",
+			"to_port": 0
+		},
+		{
+			"from": "transform",
+			"from_port": 0,
+			"to": "blend",
+			"to_port": 1
+		},
+		{
+			"from": "colorize_3",
+			"from_port": 0,
+			"to": "blend",
+			"to_port": 0
+		},
+		{
+			"from": "blend",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 6
+		},
+		{
+			"from": "colorize_4",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 3
+		},
+		{
+			"from": "transform",
+			"from_port": 0,
+			"to": "colorize_4",
+			"to_port": 0
+		}
+	],
+	"label": "Graph",
+	"name": "49",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 593,
+				"y": -325
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 0.3,
+				"emission_energy": 1,
+				"metallic": 1,
+				"normal_scale": 1,
+				"roughness": 1,
+				"size": 11,
+				"subsurf_scatter_strength": 0
+			},
+			"type": "material"
+		},
+		{
+			"connections": [
+				{
+					"from": "shape",
+					"from_port": 0,
+					"to": "transform",
+					"to_port": 0
+				},
+				{
+					"from": "shape",
+					"from_port": 0,
+					"to": "transform_2",
+					"to_port": 0
+				},
+				{
+					"from": "transform_2",
+					"from_port": 0,
+					"to": "blend",
+					"to_port": 0
+				},
+				{
+					"from": "transform",
+					"from_port": 0,
+					"to": "blend",
+					"to_port": 1
+				},
+				{
+					"from": "pattern",
+					"from_port": 0,
+					"to": "transform_3",
+					"to_port": 0
+				},
+				{
+					"from": "pattern",
+					"from_port": 0,
+					"to": "transform_3_2",
+					"to_port": 0
+				},
+				{
+					"from": "blend",
+					"from_port": 0,
+					"to": "blend_3",
+					"to_port": 0
+				},
+				{
+					"from": "transform_3",
+					"from_port": 0,
+					"to": "blend_2",
+					"to_port": 0
+				},
+				{
+					"from": "transform_3_2",
+					"from_port": 0,
+					"to": "blend_2",
+					"to_port": 1
+				},
+				{
+					"from": "blend_2",
+					"from_port": 0,
+					"to": "colorize",
+					"to_port": 0
+				},
+				{
+					"from": "colorize",
+					"from_port": 0,
+					"to": "blend_3",
+					"to_port": 1
+				},
+				{
+					"from": "blend_3",
+					"from_port": 0,
+					"to": "mirror",
+					"to_port": 0
+				},
+				{
+					"from": "mirror",
+					"from_port": 0,
+					"to": "gen_outputs",
+					"to_port": 0
+				}
+			],
+			"label": "Face",
+			"name": "graph",
+			"node_position": {
+				"x": 111.13147,
+				"y": 63.364738
+			},
+			"nodes": [
+				{
+					"name": "shape",
+					"node_position": {
+						"x": -411.5,
+						"y": -220
+					},
+					"parameters": {
+						"edge": 0.051546,
+						"radius": 0.106667,
+						"shape": 1,
+						"sides": 3
+					},
+					"type": "shape"
+				},
+				{
+					"name": "transform_2",
+					"node_position": {
+						"x": -413.5,
+						"y": -84
+					},
+					"parameters": {
+						"repeat": false,
+						"rotate": 180,
+						"scale_x": 1,
+						"scale_y": 1,
+						"translate_x": 0,
+						"translate_y": 0
+					},
+					"type": "transform"
+				},
+				{
+					"name": "transform",
+					"node_position": {
+						"x": -225.5,
+						"y": -294
+					},
+					"parameters": {
+						"repeat": false,
+						"rotate": 0,
+						"scale_x": 1,
+						"scale_y": 1,
+						"translate_x": 0.13,
+						"translate_y": -0.24
+					},
+					"type": "transform"
+				},
+				{
+					"name": "blend",
+					"node_position": {
+						"x": -105.5,
+						"y": -81
+					},
+					"parameters": {
+						"amount": 1,
+						"blend_type": 9
+					},
+					"type": "blend"
+				},
+				{
+					"name": "pattern",
+					"node_position": {
+						"x": -424.5,
+						"y": 135
+					},
+					"parameters": {
+						"mix": 0,
+						"x_scale": 4,
+						"x_wave": 1,
+						"y_scale": 1,
+						"y_wave": 1
+					},
+					"type": "pattern"
+				},
+				{
+					"name": "transform_3",
+					"node_position": {
+						"x": -97.5,
+						"y": 99.25
+					},
+					"parameters": {
+						"repeat": false,
+						"rotate": 0,
+						"scale_x": 0.5,
+						"scale_y": 0.2,
+						"translate_x": -0.035,
+						"translate_y": 0.25
+					},
+					"type": "transform"
+				},
+				{
+					"name": "transform_3_2",
+					"node_position": {
+						"x": -87.5,
+						"y": 303.25
+					},
+					"parameters": {
+						"repeat": false,
+						"rotate": 0,
+						"scale_x": 0.5,
+						"scale_y": 0.2,
+						"translate_x": 0.035,
+						"translate_y": 0.25
+					},
+					"type": "transform"
+				},
+				{
+					"name": "blend_2",
+					"node_position": {
+						"x": 195.654541,
+						"y": 265.25
+					},
+					"parameters": {
+						"amount": 1,
+						"blend_type": 9
+					},
+					"type": "blend"
+				},
+				{
+					"name": "colorize",
+					"node_position": {
+						"x": 198.654541,
+						"y": 154.25
+					},
+					"parameters": {
+						"gradient": {
+							"interpolation": 1,
+							"points": [
+								{
+									"a": 1,
+									"b": 0,
+									"g": 0,
+									"pos": 0.209091,
+									"r": 0
+								},
+								{
+									"a": 1,
+									"b": 1,
+									"g": 1,
+									"pos": 0.436364,
+									"r": 1
+								}
+							],
+							"type": "Gradient"
+						}
+					},
+					"type": "colorize"
+				},
+				{
+					"name": "blend_3",
+					"node_position": {
+						"x": 177.654541,
+						"y": 28.25
+					},
+					"parameters": {
+						"amount": 1,
+						"blend_type": 9
+					},
+					"type": "blend"
+				},
+				{
+					"name": "mirror",
+					"node_position": {
+						"x": 459.654541,
+						"y": 120.25
+					},
+					"parameters": {
+						"direction": 0,
+						"offset": 0
+					},
+					"type": "mirror"
+				},
+				{
+					"name": "gen_inputs",
+					"node_position": {
+						"x": -724.5,
+						"y": 38.772728
+					},
+					"parameters": {
+
+					},
+					"ports": [
+
+					],
+					"type": "ios"
+				},
+				{
+					"name": "gen_outputs",
+					"node_position": {
+						"x": 759.654541,
+						"y": 38.772728
+					},
+					"parameters": {
+
+					},
+					"ports": [
+						{
+							"name": "port0",
+							"type": "rgba"
+						}
+					],
+					"type": "ios"
+				},
+				{
+					"name": "gen_parameters",
+					"node_position": {
+						"x": -266.716522,
+						"y": -594
+					},
+					"parameters": {
+
+					},
+					"type": "remote",
+					"widgets": [
+
+					]
+				}
+			],
+			"parameters": {
+
+			},
+			"type": "graph"
+		},
+		{
+			"name": "pattern",
+			"node_position": {
+				"x": -45.994606,
+				"y": -298.009094
+			},
+			"parameters": {
+				"mix": 0,
+				"x_scale": 8,
+				"x_wave": 0,
+				"y_scale": 4,
+				"y_wave": 4
+			},
+			"type": "pattern"
+		},
+		{
+			"name": "colorize",
+			"node_position": {
+				"x": 180.245361,
+				"y": -386.92511
+			},
+			"parameters": {
+				"gradient": {
+					"interpolation": 1,
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.481818,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 1,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "normal_map",
+			"node_position": {
+				"x": 320.245361,
+				"y": -267.92511
+			},
+			"parameters": {
+				"amount": 0.5,
+				"param0": 10,
+				"param1": 0.185,
+				"param2": 0,
+				"size": 4
+			},
+			"type": "normal_map"
+		},
+		{
+			"name": "perlin",
+			"node_position": {
+				"x": -222.799255,
+				"y": -154.92511
+			},
+			"parameters": {
+				"iterations": 1,
+				"persistence": 0.5,
+				"scale_x": 4,
+				"scale_y": 2
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "colorize_2",
+			"node_position": {
+				"x": 95.200745,
+				"y": -152.92511
+			},
+			"parameters": {
+				"gradient": {
+					"interpolation": 1,
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.4375,
+							"pos": 0,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0.072917,
+							"g": 0.565429,
+							"pos": 1,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_3",
+			"node_position": {
+				"x": 258.305359,
+				"y": -59.92511
+			},
+			"parameters": {
+				"gradient": {
+					"interpolation": 1,
+					"points": [
+						{
+							"a": 1,
+							"b": 0.130208,
+							"g": 0.130208,
+							"pos": 0,
+							"r": 0.130208
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 1,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "transform",
+			"node_position": {
+				"x": 281.277344,
+				"y": 42.32489
+			},
+			"parameters": {
+				"repeat": false,
+				"rotate": 0,
+				"scale_x": 0.4,
+				"scale_y": 0.4,
+				"translate_x": 0,
+				"translate_y": 0
+			},
+			"type": "transform"
+		},
+		{
+			"name": "blend",
+			"node_position": {
+				"x": 561.277344,
+				"y": 43.32489
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 9
+			},
+			"type": "blend"
+		},
+		{
+			"name": "colorize_4",
+			"node_position": {
+				"x": 395.277344,
+				"y": -121.67511
+			},
+			"parameters": {
+				"gradient": {
+					"interpolation": 1,
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.272727,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 0.515625,
+							"g": 0.984863,
+							"pos": 0.572727,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "comment",
+			"node_position": {
+				"x": 40.787872,
+				"y": -50.572266
+			},
+			"parameters": {
+				"size": 4
+			},
+			"size": {
+				"x": 148,
+				"y": 69
+			},
+			"text": "Best viewed on \"Sphere\" mesh",
+			"type": "comment"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/improved_brick.ptex

@@ -0,0 +1,809 @@
+{
+	"connections": [
+		{
+			"from": "colorize",
+			"from_port": 0,
+			"to": "blend",
+			"to_port": 0
+		},
+		{
+			"from": "bricks",
+			"from_port": 0,
+			"to": "colorize_3",
+			"to_port": 0
+		},
+		{
+			"from": "uniform",
+			"from_port": 0,
+			"to": "blend_4",
+			"to_port": 1
+		},
+		{
+			"from": "colorize_8",
+			"from_port": 0,
+			"to": "blend_4",
+			"to_port": 2
+		},
+		{
+			"from": "perlin_3",
+			"from_port": 0,
+			"to": "colorize_8",
+			"to_port": 0
+		},
+		{
+			"from": "blend",
+			"from_port": 0,
+			"to": "blend_4",
+			"to_port": 0
+		},
+		{
+			"from": "blend_6",
+			"from_port": 0,
+			"to": "colorize",
+			"to_port": 0
+		},
+		{
+			"from": "perlin",
+			"from_port": 0,
+			"to": "colorize_4",
+			"to_port": 0
+		},
+		{
+			"from": "perlin_2",
+			"from_port": 0,
+			"to": "colorize_5",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_2",
+			"from_port": 0,
+			"to": "blend_6",
+			"to_port": 0
+		},
+		{
+			"from": "perlin_4",
+			"from_port": 0,
+			"to": "colorize_9",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_4",
+			"from_port": 0,
+			"to": "blend_2",
+			"to_port": 1
+		},
+		{
+			"from": "colorize_5",
+			"from_port": 0,
+			"to": "blend_2",
+			"to_port": 0
+		},
+		{
+			"from": "blend_2",
+			"from_port": 0,
+			"to": "colorize_2",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_3",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 6
+		},
+		{
+			"from": "bricks_2",
+			"from_port": 0,
+			"to": "colorize_7",
+			"to_port": 0
+		},
+		{
+			"from": "blend_4",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_7",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 5
+		},
+		{
+			"from": "bricks",
+			"from_port": 0,
+			"to": "colorize_6",
+			"to_port": 0
+		},
+		{
+			"from": "blend_2",
+			"from_port": 0,
+			"to": "normal_map",
+			"to_port": 0
+		},
+		{
+			"from": "blend_2",
+			"from_port": 0,
+			"to": "blend_3",
+			"to_port": 2
+		},
+		{
+			"from": "colorize_6",
+			"from_port": 0,
+			"to": "normal_map_2",
+			"to_port": 0
+		},
+		{
+			"from": "normal_map_2",
+			"from_port": 0,
+			"to": "blend_3",
+			"to_port": 0
+		},
+		{
+			"from": "normal_map",
+			"from_port": 0,
+			"to": "blend_3",
+			"to_port": 1
+		},
+		{
+			"from": "bricks_2",
+			"from_port": 1,
+			"to": "blend_6",
+			"to_port": 1
+		},
+		{
+			"from": "bricks_2",
+			"from_port": 0,
+			"to": "colorize_10",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_10",
+			"from_port": 0,
+			"to": "blend",
+			"to_port": 2
+		},
+		{
+			"from": "colorize_10",
+			"from_port": 0,
+			"to": "blend_7",
+			"to_port": 2
+		},
+		{
+			"from": "blend_3",
+			"from_port": 0,
+			"to": "blend_7",
+			"to_port": 0
+		},
+		{
+			"from": "normal_map_3",
+			"from_port": 0,
+			"to": "blend_7",
+			"to_port": 1
+		},
+		{
+			"from": "blend_7",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 4
+		},
+		{
+			"from": "colorize_9",
+			"from_port": 0,
+			"to": "blend",
+			"to_port": 1
+		},
+		{
+			"from": "colorize_9",
+			"from_port": 0,
+			"to": "normal_map_3",
+			"to_port": 0
+		}
+	],
+	"label": "Graph",
+	"name": "47",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 620,
+				"y": 40
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 0.05,
+				"emission_energy": 1,
+				"metallic": 0,
+				"normal_scale": 1,
+				"roughness": 0.85,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "bricks",
+			"node_position": {
+				"x": -820,
+				"y": 100
+			},
+			"parameters": {
+				"bevel": 0,
+				"columns": 6,
+				"mortar": 0.087751,
+				"pattern": 1,
+				"repeat": 1,
+				"row_offset": 0.5,
+				"rows": 20
+			},
+			"type": "bricks"
+		},
+		{
+			"name": "colorize",
+			"node_position": {
+				"x": -240,
+				"y": -60
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.273875,
+							"g": 0.292765,
+							"pos": 0.476686,
+							"r": 0.529121
+						},
+						{
+							"a": 1,
+							"b": 0.185466,
+							"g": 0.193957,
+							"pos": 0.477339,
+							"r": 0.276042
+						},
+						{
+							"a": 1,
+							"b": 0.185466,
+							"g": 0.193957,
+							"pos": 0.733221,
+							"r": 0.276042
+						},
+						{
+							"a": 1,
+							"b": 0.566243,
+							"g": 0.625829,
+							"pos": 0.734721,
+							"r": 0.739583
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "blend",
+			"node_position": {
+				"x": 20,
+				"y": -20
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 0
+			},
+			"type": "blend"
+		},
+		{
+			"name": "colorize_3",
+			"node_position": {
+				"x": -260,
+				"y": 200
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.822917,
+							"g": 0.822917,
+							"pos": 0,
+							"r": 0.822917
+						},
+						{
+							"a": 1,
+							"b": 0.239583,
+							"g": 0.239583,
+							"pos": 1,
+							"r": 0.239583
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "perlin",
+			"node_position": {
+				"x": -820,
+				"y": 340
+			},
+			"parameters": {
+				"iterations": 8,
+				"persistence": 0.5,
+				"scale_x": 16,
+				"scale_y": 16
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "colorize_4",
+			"node_position": {
+				"x": -520,
+				"y": 360
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 0.898039,
+							"b": 0,
+							"g": 0,
+							"pos": 0.163636,
+							"r": 0
+						},
+						{
+							"a": 0,
+							"b": 0.984314,
+							"g": 0.984314,
+							"pos": 0.463636,
+							"r": 0.984314
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "perlin_2",
+			"node_position": {
+				"x": -820,
+				"y": 500
+			},
+			"parameters": {
+				"iterations": 8,
+				"persistence": 0.5,
+				"scale_x": 128,
+				"scale_y": 128
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "colorize_5",
+			"node_position": {
+				"x": -520,
+				"y": 480
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 0.588235,
+							"b": 0,
+							"g": 0,
+							"pos": 0.272727,
+							"r": 0
+						},
+						{
+							"a": 0,
+							"b": 1,
+							"g": 1,
+							"pos": 0.407774,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "perlin_3",
+			"node_position": {
+				"x": -820,
+				"y": 700
+			},
+			"parameters": {
+				"iterations": 8,
+				"persistence": 0.8,
+				"scale_x": 16,
+				"scale_y": 16
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "blend_4",
+			"node_position": {
+				"x": -160,
+				"y": 660
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 0
+			},
+			"type": "blend"
+		},
+		{
+			"name": "uniform",
+			"node_position": {
+				"x": -444.088257,
+				"y": 600.058838
+			},
+			"parameters": {
+				"color": {
+					"a": 1,
+					"b": 0.047059,
+					"g": 0.078431,
+					"r": 0.12549,
+					"type": "Color"
+				}
+			},
+			"type": "uniform"
+		},
+		{
+			"name": "colorize_8",
+			"node_position": {
+				"x": -500,
+				"y": 700
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.302083,
+							"g": 0.302083,
+							"pos": 0,
+							"r": 0.302083
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.710145,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_7",
+			"node_position": {
+				"x": -240,
+				"y": -200
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.559601,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0.286458,
+							"g": 0.286458,
+							"pos": 0.781818,
+							"r": 0.286458
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 1,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "comment",
+			"node_position": {
+				"x": -1405.656738,
+				"y": -1153.276611
+			},
+			"parameters": {
+				"size": 4
+			},
+			"size": {
+				"x": 264.319916,
+				"y": 165.399994
+			},
+			"text": "Realistic Bricks by Rafe Hall\n\nProcedural brick material that supports brick color, wear, ambient occlusion, grime, and depth.\n\nTODO: Edge wear, plaster and better layering.",
+			"type": "comment"
+		},
+		{
+			"name": "perlin_4",
+			"node_position": {
+				"x": -1080,
+				"y": 0
+			},
+			"parameters": {
+				"iterations": 8,
+				"persistence": 1,
+				"scale_x": 4,
+				"scale_y": 4
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "blend_6",
+			"node_position": {
+				"x": -540,
+				"y": -40
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 0
+			},
+			"type": "blend"
+		},
+		{
+			"name": "colorize_2",
+			"node_position": {
+				"x": -520,
+				"y": 200
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.715167,
+							"r": 0
+						},
+						{
+							"a": 0,
+							"b": 1,
+							"g": 1,
+							"pos": 0.715269,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_9",
+			"node_position": {
+				"x": -820,
+				"y": 0
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.354167,
+							"g": 0.354167,
+							"pos": 0.209091,
+							"r": 0.354167
+						},
+						{
+							"a": 1,
+							"b": 0.536458,
+							"g": 0.536458,
+							"pos": 0.5,
+							"r": 0.536458
+						},
+						{
+							"a": 1,
+							"b": 0.166667,
+							"g": 0.166667,
+							"pos": 0.936364,
+							"r": 0.166667
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "blend_2",
+			"node_position": {
+				"x": -260,
+				"y": 400
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 0
+			},
+			"type": "blend"
+		},
+		{
+			"name": "bricks_2",
+			"node_position": {
+				"x": -820,
+				"y": -240
+			},
+			"parameters": {
+				"bevel": 0.087751,
+				"columns": 6,
+				"mortar": 0,
+				"pattern": 1,
+				"repeat": 1,
+				"row_offset": 0.5,
+				"rows": 20
+			},
+			"type": "bricks"
+		},
+		{
+			"name": "normal_map",
+			"node_position": {
+				"x": 20,
+				"y": 400
+			},
+			"parameters": {
+				"amount": 0.5,
+				"param0": 11,
+				"param1": 1,
+				"size": 4
+			},
+			"type": "normal_map"
+		},
+		{
+			"name": "colorize_6",
+			"node_position": {
+				"x": -260,
+				"y": 280
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 1,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "blend_3",
+			"node_position": {
+				"x": 280,
+				"y": 260
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 0
+			},
+			"type": "blend"
+		},
+		{
+			"name": "normal_map_2",
+			"node_position": {
+				"x": -20,
+				"y": 260
+			},
+			"parameters": {
+				"amount": 0.5,
+				"param0": 11,
+				"param1": 1,
+				"size": 4
+			},
+			"type": "normal_map"
+		},
+		{
+			"name": "colorize_10",
+			"node_position": {
+				"x": -520,
+				"y": -140
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.710909,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.72,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "normal_map_3",
+			"node_position": {
+				"x": 60,
+				"y": -240
+			},
+			"parameters": {
+				"amount": 0.5,
+				"param0": 11,
+				"param1": 0.42,
+				"size": 4
+			},
+			"type": "normal_map"
+		},
+		{
+			"name": "blend_7",
+			"node_position": {
+				"x": 309,
+				"y": -128
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 0
+			},
+			"type": "blend"
+		},
+		{
+			"name": "comment_2",
+			"node_position": {
+				"x": -202.672852,
+				"y": 93.677933
+			},
+			"parameters": {
+				"size": 4
+			},
+			"size": {
+				"x": 371,
+				"y": 49
+			},
+			"text": "Improved bricks, by Rafe Hall (aka MrDiamondGold)",
+			"type": "comment"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/lava.ptex

@@ -1 +1,348 @@
-{"connections":[{"from":"perlin_0","from_port":0,"to":"blend_0","to_port":0},{"from":"blend_0","from_port":0,"to":"colorize_0","to_port":0},{"from":"colorize_0","from_port":0,"to":"Material","to_port":0},{"from":"perlin_0","from_port":0,"to":"warp_0","to_port":1},{"from":"voronoi_0","from_port":0,"to":"warp_0","to_port":0},{"from":"warp_0","from_port":0,"to":"blend_0","to_port":1},{"from":"warp_0","from_port":0,"to":"colorize_1","to_port":0},{"from":"warp_0","from_port":0,"to":"colorize_2","to_port":0},{"from":"colorize_2","from_port":0,"to":"Material","to_port":2},{"from":"warp_0","from_port":0,"to":"normal_map_0","to_port":0},{"from":"normal_map_0","from_port":0,"to":"Material","to_port":4},{"from":"colorize_1","from_port":0,"to":"Material","to_port":3},{"from":"colorize_2","from_port":0,"to":"Material","to_port":1},{"from":"colorize_3","from_port":0,"to":"Material","to_port":5},{"from":"warp_0","from_port":0,"to":"colorize_3","to_port":0}],"nodes":[{"name":"Material","node_position":{"x":956,"y":271},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":2,"metallic":1,"normal_scale":1,"resolution":1,"roughness":1},"type":"material"},{"name":"colorize_0","node_position":{"x":666,"y":27},"parameters":{"gradient":{"points":[{"a":1,"b":0.032597,"g":0.032597,"pos":0.045455,"r":0.032597},{"a":1,"b":0.111979,"g":0.111979,"pos":0.3,"r":0.111979},{"a":1,"b":0.029781,"g":0.029781,"pos":0.518182,"r":0.029781},{"a":1,"b":0.069093,"g":0.069093,"pos":0.818182,"r":0.069093},{"a":1,"b":0,"g":0,"pos":1,"r":0}],"type":"Gradient"}},"type":"colorize"},{"name":"colorize_2","node_position":{"x":653,"y":140.5},"parameters":{"gradient":{"points":[{"a":1,"b":1,"g":1,"pos":0.263636,"r":1},{"a":1,"b":0,"g":0,"pos":0.8,"r":0}],"type":"Gradient"}},"type":"colorize"},{"name":"colorize_1","node_position":{"x":646,"y":223},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0.765625,"pos":0,"r":1},{"a":1,"b":0,"g":0,"pos":0.154545,"r":1},{"a":1,"b":0,"g":0,"pos":0.245455,"r":0}],"type":"Gradient"}},"type":"colorize"},{"name":"normal_map_0","node_position":{"x":658,"y":309.5},"parameters":{"amount":0.9,"size":2},"type":"normal_map"},{"name":"colorize_3","node_position":{"x":658,"y":404.25},"parameters":{"gradient":{"points":[{"a":1,"b":0.345455,"g":0.345455,"pos":0,"r":0.345455},{"a":1,"b":0,"g":0,"pos":1,"r":0}],"type":"Gradient"}},"type":"colorize"},{"name":"blend_0","node_position":{"x":475,"y":-30},"parameters":{"amount":0.45,"blend_type":1},"type":"blend"},{"name":"warp_0","node_position":{"x":338,"y":196},"parameters":{"amount":0.3},"type":"warp"},{"name":"voronoi_0","node_position":{"x":130,"y":299},"parameters":{"intensity":0.55,"scale_x":6,"scale_y":6},"type":"voronoi"},{"name":"perlin_0","node_position":{"x":190,"y":-14},"parameters":{"iterations":8,"persistence":0.75,"scale_x":4,"scale_y":4},"type":"perlin"}]}
+{
+	"connections": [
+		{
+			"from": "perlin_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 0
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "colorize_0",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		},
+		{
+			"from": "perlin_0",
+			"from_port": 0,
+			"to": "warp_0",
+			"to_port": 1
+		},
+		{
+			"from": "voronoi_0",
+			"from_port": 0,
+			"to": "warp_0",
+			"to_port": 0
+		},
+		{
+			"from": "warp_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 1
+		},
+		{
+			"from": "warp_0",
+			"from_port": 0,
+			"to": "colorize_1",
+			"to_port": 0
+		},
+		{
+			"from": "warp_0",
+			"from_port": 0,
+			"to": "colorize_2",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_2",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 2
+		},
+		{
+			"from": "warp_0",
+			"from_port": 0,
+			"to": "normal_map_0",
+			"to_port": 0
+		},
+		{
+			"from": "normal_map_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 4
+		},
+		{
+			"from": "colorize_1",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 3
+		},
+		{
+			"from": "colorize_2",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 1
+		},
+		{
+			"from": "colorize_3",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 5
+		},
+		{
+			"from": "warp_0",
+			"from_port": 0,
+			"to": "colorize_3",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_2",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 6
+		}
+	],
+	"label": "Graph",
+	"name": "408",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 956,
+				"y": 271
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 0.45,
+				"emission_energy": 2,
+				"metallic": 1,
+				"normal_scale": 1,
+				"resolution": 1,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "colorize_0",
+			"node_position": {
+				"x": 666,
+				"y": 27
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.479167,
+							"g": 0.479167,
+							"pos": 0.045455,
+							"r": 0.479167
+						},
+						{
+							"a": 1,
+							"b": 0.875,
+							"g": 0.875,
+							"pos": 0.3,
+							"r": 0.875
+						},
+						{
+							"a": 1,
+							"b": 0.442708,
+							"g": 0.442708,
+							"pos": 0.518182,
+							"r": 0.442708
+						},
+						{
+							"a": 1,
+							"b": 0.069093,
+							"g": 0.069093,
+							"pos": 0.818182,
+							"r": 0.069093
+						},
+						{
+							"a": 1,
+							"b": 0.40625,
+							"g": 0.40625,
+							"pos": 1,
+							"r": 0.40625
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_2",
+			"node_position": {
+				"x": 653,
+				"y": 140.5
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.272727,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.563636,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_1",
+			"node_position": {
+				"x": 646,
+				"y": 223
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.765625,
+							"pos": 0,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.154545,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.245455,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "normal_map_0",
+			"node_position": {
+				"x": 658,
+				"y": 309.5
+			},
+			"parameters": {
+				"amount": 0.9,
+				"param0": 11,
+				"param1": 0.99,
+				"size": 2
+			},
+			"type": "normal_map"
+		},
+		{
+			"name": "colorize_3",
+			"node_position": {
+				"x": 658,
+				"y": 404.25
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.345455,
+							"g": 0.345455,
+							"pos": 0,
+							"r": 0.345455
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 1,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "blend_0",
+			"node_position": {
+				"x": 475,
+				"y": -30
+			},
+			"parameters": {
+				"amount": 0.83125,
+				"blend_type": 0
+			},
+			"type": "blend"
+		},
+		{
+			"name": "warp_0",
+			"node_position": {
+				"x": 338,
+				"y": 196
+			},
+			"parameters": {
+				"amount": 0.3,
+				"eps": 0.045,
+				"epsilon": 0
+			},
+			"type": "warp"
+		},
+		{
+			"name": "voronoi_0",
+			"node_position": {
+				"x": 130,
+				"y": 299
+			},
+			"parameters": {
+				"intensity": 0.55,
+				"randomness": 1,
+				"scale_x": 6,
+				"scale_y": 6
+			},
+			"type": "voronoi"
+		},
+		{
+			"name": "perlin_0",
+			"node_position": {
+				"x": 190,
+				"y": -14
+			},
+			"parameters": {
+				"iterations": 8,
+				"persistence": 0.75,
+				"scale_x": 4,
+				"scale_y": 4
+			},
+			"type": "perlin"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/mandelbrot.ptex

@@ -1 +1,173 @@
-{"connections":[{"from":"custom_0","from_port":0,"to":"colorize_0","to_port":0},{"from":"colorize_0","from_port":0,"to":"Material","to_port":3}],"nodes":[{"name":"Material","node_position":{"x":200,"y":0},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":1,"metallic":1,"normal_scale":1,"resolution":1,"roughness":1},"type":"material"},{"model_data":{"global":"float mandelbrot(vec2 uv) {\n    float di =  1.0;\n    vec2 z  = vec2(0.0);\n    float m2 = 0.0;\n    vec2 dz = vec2(0.0);\n    for( int i=0; i<200; i++ )\n    {\n        if (m2>1024.0 ) {\n\t\t\tdi=0.0;\n\t\t\tbreak;\n\t\t}\n\n\t\t// Z' -> 2·Z·Z' + 1\n        dz = 2.0*vec2(z.x*dz.x-z.y*dz.y, z.x*dz.y + z.y*dz.x) + vec2(1.0,0.0);\n\t\t\t\n        // Z -> Z² + c\t\t\t\n        z = vec2( z.x*z.x - z.y*z.y, 2.0*z.x*z.y ) + uv;\n\t\t\t\n        m2 = dot(z,z);\n    }\n\n    // distance\t\n\t// d(c) = |Z|·log|Z|/|Z'|\n\tfloat d = 0.5*sqrt(dot(z,z)/dot(dz,dz))*log(dot(z,z));\n    if( di>0.5 ) d=0.0;\n\treturn d;\n}","instance":"float $(name)_xyz(vec2 uv) {\n\treturn mandelbrot(uv);\n}","name":"Mandelbrot","outputs":[{"f":"clamp($(name)_xyz(vec2($(x), $(y))+$(scale)*(2.0*$(uv)-1.0))*$(contrast), 0.0, 1.0)"}],"parameters":[{"label":"Scale","max":3,"min":0,"name":"scale","step":0.0001,"type":"float","widget":"spinbox"},{"label":"X","max":2,"min":-2,"name":"x","step":0.0001,"type":"float","widget":"spinbox"},{"label":"Y","max":2,"min":-2,"name":"y","step":0.0001,"type":"float","widget":"spinbox"},{"label":"Contrast","max":10000,"min":1,"name":"contrast","step":0.0001,"type":"float","widget":"spinbox"}]},"name":"custom_0","node_position":{"x":-211,"y":208},"parameters":{"contrast":10,"scale":1,"x":0,"y":0},"type":"custom"},{"name":"colorize_0","node_position":{"x":-99.75,"y":-7.25},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0,"pos":0,"r":1},{"a":1,"b":0,"g":0.96875,"pos":0.2,"r":1},{"a":1,"b":0.0625,"g":1,"pos":0.4,"r":0},{"a":1,"b":1,"g":1,"pos":0.618182,"r":0},{"a":1,"b":0.965909,"g":0,"pos":0.818182,"r":0},{"a":1,"b":1,"g":0,"pos":1,"r":0.9375}],"type":"Gradient"}},"type":"colorize"}]}
+{
+	"connections": [
+		{
+			"from": "custom_0",
+			"from_port": 0,
+			"to": "colorize_0",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 3
+		}
+	],
+	"label": "Graph",
+	"name": "362",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 200,
+				"y": 0
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 0,
+					"g": 0,
+					"r": 0,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 1,
+				"emission_energy": 1,
+				"metallic": 1,
+				"normal_scale": 1,
+				"resolution": 1,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "custom_0",
+			"node_position": {
+				"x": -211,
+				"y": 208
+			},
+			"parameters": {
+				"contrast": 10,
+				"scale": 1,
+				"x": 0,
+				"y": 0
+			},
+			"shader_model": {
+				"global": "float mandelbrot(vec2 uv) {\n    float di =  1.0;\n    vec2 z  = vec2(0.0);\n    float m2 = 0.0;\n    vec2 dz = vec2(0.0);\n    for( int i=0; i<200; i++ )\n    {\n        if (m2>1024.0 ) {\n\t\t\tdi=0.0;\n\t\t\tbreak;\n\t\t}\n\n\t\t// Z' -> 2·Z·Z' + 1\n        dz = 2.0*vec2(z.x*dz.x-z.y*dz.y, z.x*dz.y + z.y*dz.x) + vec2(1.0,0.0);\n\t\t\t\n        // Z -> Z² + c\t\t\t\n        z = vec2( z.x*z.x - z.y*z.y, 2.0*z.x*z.y ) + uv;\n\t\t\t\n        m2 = dot(z,z);\n    }\n\n    // distance\t\n\t// d(c) = |Z|·log|Z|/|Z'|\n\tfloat d = 0.5*sqrt(dot(z,z)/dot(dz,dz))*log(dot(z,z));\n    if( di>0.5 ) d=0.0;\n\treturn d;\n}",
+				"instance": "float $(name)_xyz(vec2 uv) {\n\treturn mandelbrot(uv);\n}",
+				"name": "Mandelbrot",
+				"outputs": [
+					{
+						"f": "clamp($(name)_xyz(vec2($(x), $(y))+$(scale)*(2.0*$(uv)-1.0))*$(contrast), 0.0, 1.0)",
+						"type": "f"
+					}
+				],
+				"parameters": [
+					{
+						"label": "Scale",
+						"max": 3,
+						"min": 0,
+						"name": "scale",
+						"step": 0.0001,
+						"type": "float",
+						"widget": "spinbox"
+					},
+					{
+						"label": "X",
+						"max": 2,
+						"min": -2,
+						"name": "x",
+						"step": 0.0001,
+						"type": "float",
+						"widget": "spinbox"
+					},
+					{
+						"label": "Y",
+						"max": 2,
+						"min": -2,
+						"name": "y",
+						"step": 0.0001,
+						"type": "float",
+						"widget": "spinbox"
+					},
+					{
+						"label": "Contrast",
+						"max": 10000,
+						"min": 1,
+						"name": "contrast",
+						"step": 0.0001,
+						"type": "float",
+						"widget": "spinbox"
+					}
+				]
+			},
+			"type": "shader"
+		},
+		{
+			"name": "colorize_0",
+			"node_position": {
+				"x": -99.75,
+				"y": -7.25
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.96875,
+							"pos": 0.2,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0.0625,
+							"g": 1,
+							"pos": 0.4,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.618182,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 0.965909,
+							"g": 0,
+							"pos": 0.818182,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 0,
+							"pos": 1,
+							"r": 0.9375
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/marble.ptex

@@ -1 +1,504 @@
-{"connections":[{"from":"perlin_0","from_port":0,"to":"warp_0","to_port":1},{"from":"warp_0","from_port":0,"to":"colorize_0","to_port":0},{"from":"pattern_1","from_port":0,"to":"warp_1","to_port":0},{"from":"perlin_0","from_port":0,"to":"warp_1","to_port":1},{"from":"warp_1","from_port":0,"to":"colorize_1","to_port":0},{"from":"colorize_0","from_port":0,"to":"blend_0","to_port":0},{"from":"colorize_1","from_port":0,"to":"blend_0","to_port":1},{"from":"blend_0","from_port":0,"to":"colorize_2","to_port":0},{"from":"colorize_2","from_port":0,"to":"Material","to_port":0},{"from":"colorize_3","from_port":0,"to":"Material","to_port":2},{"from":"uniform_0","from_port":0,"to":"Material","to_port":1},{"from":"blend_1","from_port":0,"to":"colorize_3","to_port":0},{"from":"blend_0","from_port":0,"to":"blend_1","to_port":1},{"from":"perlin_1","from_port":0,"to":"colorize_4","to_port":0},{"from":"colorize_4","from_port":0,"to":"blend_1","to_port":0},{"from":"voronoi_0","from_port":0,"to":"warp_0","to_port":0}],"nodes":[{"name":"pattern_1","node_position":{"x":15,"y":492},"parameters":{"mix":0,"x_scale":8,"x_wave":0,"y_scale":0,"y_wave":4},"type":"pattern"},{"name":"colorize_1","node_position":{"x":349,"y":386},"parameters":{"gradient":{"points":[{"a":1,"b":1,"g":1,"pos":0.035714,"r":1},{"a":1,"b":0,"g":0,"pos":0.142857,"r":0},{"a":1,"b":1,"g":1,"pos":0.258929,"r":1},{"a":1,"b":0,"g":0,"pos":0.535714,"r":0},{"a":1,"b":1,"g":1,"pos":0.723214,"r":1},{"a":1,"b":0,"g":0,"pos":0.848214,"r":0},{"a":1,"b":1,"g":1,"pos":0.982143,"r":1}],"type":"Gradient"}},"type":"colorize"},{"name":"warp_1","node_position":{"x":257,"y":418},"parameters":{"amount":1},"type":"warp"},{"name":"uniform_0","node_position":{"x":484,"y":126},"parameters":{"color":{"a":1,"b":0,"g":0,"r":0,"type":"Color"}},"type":"uniform"},{"name":"blend_1","node_position":{"x":297,"y":130},"parameters":{"amount":0.9,"blend_type":0},"type":"blend"},{"name":"Material","node_position":{"x":676,"y":101},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":1,"metallic":1,"normal_scale":1,"resolution":1,"roughness":1},"type":"material"},{"name":"voronoi_0","node_position":{"x":8,"y":178},"parameters":{"intensity":1,"scale_x":8,"scale_y":4},"type":"voronoi"},{"name":"colorize_0","node_position":{"x":349,"y":309},"parameters":{"gradient":{"points":[{"a":1,"b":1,"g":1,"pos":0.017857,"r":1},{"a":1,"b":0,"g":0,"pos":0.125,"r":0},{"a":1,"b":1,"g":1,"pos":0.241071,"r":1},{"a":1,"b":1,"g":1,"pos":0.455357,"r":1},{"a":1,"b":0,"g":0,"pos":0.616071,"r":0},{"a":1,"b":1,"g":1,"pos":0.723214,"r":1},{"a":1,"b":1,"g":1,"pos":0.857143,"r":1},{"a":1,"b":0,"g":0,"pos":0.946429,"r":0},{"a":1,"b":1,"g":1,"pos":0.982143,"r":1}],"type":"Gradient"}},"type":"colorize"},{"name":"perlin_1","node_position":{"x":-264,"y":25},"parameters":{"iterations":9,"persistence":1,"scale_x":16,"scale_y":16},"type":"perlin"},{"name":"colorize_4","node_position":{"x":24,"y":81},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0,"pos":0.190909,"r":0},{"a":1,"b":1,"g":1,"pos":0.463636,"r":1}],"type":"Gradient"}},"type":"colorize"},{"name":"perlin_0","node_position":{"x":15,"y":328},"parameters":{"iterations":4,"persistence":0.5,"scale_x":4,"scale_y":4},"type":"perlin"},{"name":"warp_0","node_position":{"x":246,"y":306},"parameters":{"amount":0.8},"type":"warp"},{"name":"colorize_3","node_position":{"x":474,"y":193},"parameters":{"gradient":{"points":[{"a":1,"b":0.744792,"g":0.744792,"pos":0,"r":0.744792},{"a":1,"b":0.4375,"g":0.4375,"pos":1,"r":0.4375}],"type":"Gradient"}},"type":"colorize"},{"name":"blend_0","node_position":{"x":544,"y":339},"parameters":{"amount":0.65,"blend_type":0},"type":"blend"},{"name":"colorize_2","node_position":{"x":765,"y":404},"parameters":{"gradient":{"points":[{"a":1,"b":0.791667,"g":0.908854,"pos":0,"r":1},{"a":1,"b":0.84375,"g":0.931641,"pos":0.236364,"r":1},{"a":1,"b":1,"g":1,"pos":1,"r":1}],"type":"Gradient"}},"type":"colorize"}]}
+{
+	"connections": [
+		{
+			"from": "perlin_0",
+			"from_port": 0,
+			"to": "warp_0",
+			"to_port": 1
+		},
+		{
+			"from": "warp_0",
+			"from_port": 0,
+			"to": "colorize_0",
+			"to_port": 0
+		},
+		{
+			"from": "pattern_1",
+			"from_port": 0,
+			"to": "warp_1",
+			"to_port": 0
+		},
+		{
+			"from": "perlin_0",
+			"from_port": 0,
+			"to": "warp_1",
+			"to_port": 1
+		},
+		{
+			"from": "warp_1",
+			"from_port": 0,
+			"to": "colorize_1",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_1",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 1
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "colorize_2",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_2",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_3",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 2
+		},
+		{
+			"from": "uniform_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 1
+		},
+		{
+			"from": "blend_1",
+			"from_port": 0,
+			"to": "colorize_3",
+			"to_port": 0
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "blend_1",
+			"to_port": 1
+		},
+		{
+			"from": "perlin_1",
+			"from_port": 0,
+			"to": "colorize_4",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_4",
+			"from_port": 0,
+			"to": "blend_1",
+			"to_port": 0
+		},
+		{
+			"from": "voronoi_0",
+			"from_port": 0,
+			"to": "warp_0",
+			"to_port": 0
+		}
+	],
+	"label": "Graph",
+	"name": "297",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "pattern_1",
+			"node_position": {
+				"x": 15,
+				"y": 492
+			},
+			"parameters": {
+				"mix": 0,
+				"x_scale": 8,
+				"x_wave": 0,
+				"y_scale": 0,
+				"y_wave": 4
+			},
+			"type": "pattern"
+		},
+		{
+			"name": "colorize_1",
+			"node_position": {
+				"x": 349,
+				"y": 386
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.035714,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.142857,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.258929,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.535714,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.723214,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.848214,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.982143,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "warp_1",
+			"node_position": {
+				"x": 257,
+				"y": 418
+			},
+			"parameters": {
+				"amount": 1,
+				"eps": 0.045,
+				"epsilon": 0
+			},
+			"type": "warp"
+		},
+		{
+			"name": "uniform_0",
+			"node_position": {
+				"x": 484,
+				"y": 126
+			},
+			"parameters": {
+				"color": {
+					"a": 1,
+					"b": 0,
+					"g": 0,
+					"r": 0,
+					"type": "Color"
+				}
+			},
+			"type": "uniform"
+		},
+		{
+			"name": "blend_1",
+			"node_position": {
+				"x": 249,
+				"y": 45
+			},
+			"parameters": {
+				"amount": 0.9,
+				"blend_type": 0
+			},
+			"type": "blend"
+		},
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 676,
+				"y": 101
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 1,
+				"emission_energy": 1,
+				"metallic": 1,
+				"normal_scale": 1,
+				"resolution": 1,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "voronoi_0",
+			"node_position": {
+				"x": 8,
+				"y": 178
+			},
+			"parameters": {
+				"intensity": 1,
+				"randomness": 1,
+				"scale_x": 8,
+				"scale_y": 4
+			},
+			"type": "voronoi"
+		},
+		{
+			"name": "colorize_0",
+			"node_position": {
+				"x": 349,
+				"y": 309
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.017857,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.125,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.241071,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.455357,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.616071,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.723214,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.857143,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.946429,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.982143,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "perlin_1",
+			"node_position": {
+				"x": -264,
+				"y": 25
+			},
+			"parameters": {
+				"iterations": 6,
+				"persistence": 1,
+				"scale_x": 8,
+				"scale_y": 8
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "colorize_4",
+			"node_position": {
+				"x": 24,
+				"y": 81
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.190909,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.463636,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "perlin_0",
+			"node_position": {
+				"x": 15,
+				"y": 328
+			},
+			"parameters": {
+				"iterations": 4,
+				"persistence": 0.5,
+				"scale_x": 4,
+				"scale_y": 4
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "warp_0",
+			"node_position": {
+				"x": 246,
+				"y": 306
+			},
+			"parameters": {
+				"amount": 0.8,
+				"eps": 0.045,
+				"epsilon": 0
+			},
+			"type": "warp"
+		},
+		{
+			"name": "colorize_3",
+			"node_position": {
+				"x": 272,
+				"y": 171
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.484375,
+							"g": 0.484375,
+							"pos": 0,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0.744792,
+							"g": 0.744792,
+							"pos": 0.390909,
+							"r": 0.744792
+						},
+						{
+							"a": 1,
+							"b": 0.4375,
+							"g": 0.4375,
+							"pos": 1,
+							"r": 0.4375
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "blend_0",
+			"node_position": {
+				"x": 544,
+				"y": 339
+			},
+			"parameters": {
+				"amount": 0.65,
+				"blend_type": 0
+			},
+			"type": "blend"
+		},
+		{
+			"name": "colorize_2",
+			"node_position": {
+				"x": 765,
+				"y": 404
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.791667,
+							"g": 0.908854,
+							"pos": 0,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0.84375,
+							"g": 0.931641,
+							"pos": 0.236364,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 1,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/metal_pattern_2.ptex

@@ -1 +1,184 @@
-{"connections":[{"from":"pattern_0","from_port":0,"to":"colorize_0","to_port":0},{"from":"colorize_0","from_port":0,"to":"transform_0","to_port":0},{"from":"transform_0","from_port":0,"to":"transform_1","to_port":0},{"from":"transform_1","from_port":0,"to":"transform_2","to_port":0},{"from":"transform_1","from_port":0,"to":"blend_0","to_port":1},{"from":"transform_2","from_port":0,"to":"blend_0","to_port":0},{"from":"pattern_1","from_port":0,"to":"blend_0","to_port":2},{"from":"blend_0","from_port":0,"to":"normal_map_0","to_port":0},{"from":"normal_map_0","from_port":0,"to":"Material","to_port":4}],"nodes":[{"name":"transform_1","node_position":{"x":241,"y":384},"parameters":{"repeat":true,"rotate":0,"scale_x":0.25,"scale_y":0.125,"translate_x":0,"translate_y":0.5},"type":"transform"},{"name":"pattern_1","node_position":{"x":218,"y":574},"parameters":{"mix":4,"x_scale":4,"x_wave":2,"y_scale":4,"y_wave":2},"type":"pattern"},{"name":"transform_0","node_position":{"x":27,"y":577},"parameters":{"repeat":false,"rotate":0,"scale_x":1,"scale_y":1.35,"translate_x":0,"translate_y":0},"type":"transform"},{"name":"colorize_0","node_position":{"x":43,"y":510},"parameters":{"gradient":{"points":[{"a":1,"b":1,"g":1,"pos":0.309091,"r":1},{"a":1,"b":0,"g":0,"pos":0.645455,"r":0}],"type":"Gradient"}},"type":"colorize"},{"name":"pattern_0","node_position":{"x":8,"y":410},"parameters":{"mix":0,"x_scale":10,"x_wave":1,"y_scale":1,"y_wave":1},"type":"pattern"},{"name":"transform_2","node_position":{"x":436,"y":499},"parameters":{"repeat":true,"rotate":90,"scale_x":1,"scale_y":1,"translate_x":0,"translate_y":0},"type":"transform"},{"name":"Material","node_position":{"x":955,"y":197},"parameters":{"albedo_color":{"a":1,"b":0.953125,"g":0.834013,"r":0.822815,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":1,"metallic":1,"normal_scale":1,"resolution":1,"roughness":0.75},"type":"material"},{"name":"normal_map_0","node_position":{"x":730,"y":341},"parameters":{"amount":0.5,"size":2},"type":"normal_map"},{"name":"blend_0","node_position":{"x":456,"y":390},"parameters":{"amount":0.5,"blend_type":0},"type":"blend"}]}
+{
+	"connections": [
+		{
+			"from": "pattern_0",
+			"from_port": 0,
+			"to": "colorize_0",
+			"to_port": 0
+		},
+		{
+			"from": "transform_2",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 0
+		},
+		{
+			"from": "pattern_1",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 2
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "normal_map_0",
+			"to_port": 0
+		},
+		{
+			"from": "normal_map_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 4
+		},
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "transform_2",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 1
+		}
+	],
+	"label": "Graph",
+	"name": "327",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "pattern_1",
+			"node_position": {
+				"x": 78,
+				"y": 382
+			},
+			"parameters": {
+				"mix": 4,
+				"x_scale": 4,
+				"x_wave": 2,
+				"y_scale": 4,
+				"y_wave": 2
+			},
+			"type": "pattern"
+		},
+		{
+			"name": "colorize_0",
+			"node_position": {
+				"x": 148,
+				"y": 258
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.181818,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.436364,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "pattern_0",
+			"node_position": {
+				"x": -127,
+				"y": 256
+			},
+			"parameters": {
+				"mix": 0,
+				"x_scale": 40,
+				"x_wave": 1,
+				"y_scale": 8,
+				"y_wave": 1
+			},
+			"type": "pattern"
+		},
+		{
+			"name": "transform_2",
+			"node_position": {
+				"x": 372,
+				"y": 37
+			},
+			"parameters": {
+				"repeat": true,
+				"rotate": 90,
+				"scale_x": 1,
+				"scale_y": 1,
+				"translate_x": 0,
+				"translate_y": 0
+			},
+			"type": "transform"
+		},
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 930,
+				"y": 199
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 0.953125,
+					"g": 0.834013,
+					"r": 0.822815,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 1,
+				"emission_energy": 1,
+				"metallic": 1,
+				"normal_scale": 1,
+				"resolution": 1,
+				"roughness": 0.75,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "normal_map_0",
+			"node_position": {
+				"x": 668,
+				"y": 268
+			},
+			"parameters": {
+				"amount": 0.5,
+				"param0": 11,
+				"param1": 0.99,
+				"size": 2
+			},
+			"type": "normal_map"
+		},
+		{
+			"name": "blend_0",
+			"node_position": {
+				"x": 381,
+				"y": 252
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 0
+			},
+			"type": "blend"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/metal_pattern_3.ptex

@@ -1 +1,260 @@
-{"connections":[{"from":"normal_map_0","from_port":0,"to":"Material","to_port":4},{"from":"pattern_1","from_port":0,"to":"colorize_1","to_port":0},{"from":"colorize_0","from_port":0,"to":"blend_0","to_port":1},{"from":"colorize_1","from_port":0,"to":"blend_0","to_port":0},{"from":"blend_0","from_port":0,"to":"normal_map_0","to_port":0},{"from":"uniform_0","from_port":0,"to":"Material","to_port":0},{"from":"uniform_1","from_port":0,"to":"Material","to_port":1},{"from":"uniform_2","from_port":0,"to":"Material","to_port":2},{"from":"pattern_0","from_port":0,"to":"colorize_0","to_port":0}],"nodes":[{"name":"colorize_1","node_position":{"x":119,"y":186},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0,"pos":0.236364,"r":0},{"a":1,"b":1,"g":1,"pos":0.254545,"r":1}],"type":"Gradient"}},"type":"colorize"},{"name":"Material","node_position":{"x":669,"y":81},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":1,"metallic":1,"normal_scale":1,"resolution":1,"roughness":1},"type":"material"},{"name":"normal_map_0","node_position":{"x":522,"y":205},"parameters":{"amount":0.5,"size":2},"type":"normal_map"},{"name":"uniform_0","node_position":{"x":507,"y":21},"parameters":{"color":{"a":1,"b":0.855469,"g":0.736813,"r":0.51796,"type":"Color"}},"type":"uniform"},{"name":"uniform_1","node_position":{"x":510,"y":73},"parameters":{"color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"}},"type":"uniform"},{"name":"uniform_2","node_position":{"x":513,"y":126},"parameters":{"color":{"a":1,"b":0.632813,"g":0.632813,"r":0.632813,"type":"Color"}},"type":"uniform"},{"name":"pattern_1","node_position":{"x":-258,"y":189},"parameters":{"mix":3,"x_scale":1,"x_wave":1,"y_scale":1,"y_wave":1},"type":"pattern"},{"name":"pattern_0","node_position":{"x":-259,"y":314},"parameters":{"mix":0,"x_scale":16,"x_wave":0,"y_scale":16,"y_wave":0},"type":"pattern"},{"name":"blend_0","node_position":{"x":331,"y":210},"parameters":{"amount":1,"blend_type":9},"type":"blend"},{"name":"colorize_0","node_position":{"x":124,"y":298},"parameters":{"gradient":{"points":[{"a":1,"b":0.546875,"g":0.546875,"pos":0.845455,"r":0.546875},{"a":1,"b":0,"g":0,"pos":1,"r":0}],"type":"Gradient"}},"type":"colorize"}]}
+{
+	"connections": [
+		{
+			"from": "normal_map_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 4
+		},
+		{
+			"from": "pattern_1",
+			"from_port": 0,
+			"to": "colorize_1",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 1
+		},
+		{
+			"from": "colorize_1",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 0
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "normal_map_0",
+			"to_port": 0
+		},
+		{
+			"from": "uniform_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		},
+		{
+			"from": "uniform_1",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 1
+		},
+		{
+			"from": "uniform_2",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 2
+		},
+		{
+			"from": "pattern_0",
+			"from_port": 0,
+			"to": "colorize_0",
+			"to_port": 0
+		}
+	],
+	"label": "Graph",
+	"name": "342",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "colorize_1",
+			"node_position": {
+				"x": -16,
+				"y": 97
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.236364,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.254545,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 508,
+				"y": 116
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 1,
+				"emission_energy": 1,
+				"metallic": 1,
+				"normal_scale": 1,
+				"resolution": 1,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "normal_map_0",
+			"node_position": {
+				"x": 257,
+				"y": 286
+			},
+			"parameters": {
+				"amount": 0.5,
+				"param0": 11,
+				"param1": 0.99,
+				"size": 2
+			},
+			"type": "normal_map"
+		},
+		{
+			"name": "uniform_0",
+			"node_position": {
+				"x": 330,
+				"y": 33
+			},
+			"parameters": {
+				"color": {
+					"a": 1,
+					"b": 0.855469,
+					"g": 0.736813,
+					"r": 0.51796,
+					"type": "Color"
+				}
+			},
+			"type": "uniform"
+		},
+		{
+			"name": "uniform_1",
+			"node_position": {
+				"x": 333,
+				"y": 85
+			},
+			"parameters": {
+				"color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				}
+			},
+			"type": "uniform"
+		},
+		{
+			"name": "uniform_2",
+			"node_position": {
+				"x": 336,
+				"y": 138
+			},
+			"parameters": {
+				"color": {
+					"a": 1,
+					"b": 0.632813,
+					"g": 0.632813,
+					"r": 0.632813,
+					"type": "Color"
+				}
+			},
+			"type": "uniform"
+		},
+		{
+			"name": "pattern_1",
+			"node_position": {
+				"x": -46,
+				"y": -2
+			},
+			"parameters": {
+				"mix": 3,
+				"x_scale": 1,
+				"x_wave": 1,
+				"y_scale": 1,
+				"y_wave": 1
+			},
+			"type": "pattern"
+		},
+		{
+			"name": "pattern_0",
+			"node_position": {
+				"x": -32,
+				"y": 191
+			},
+			"parameters": {
+				"mix": 0,
+				"x_scale": 16,
+				"x_wave": 0,
+				"y_scale": 16,
+				"y_wave": 0
+			},
+			"type": "pattern"
+		},
+		{
+			"name": "blend_0",
+			"node_position": {
+				"x": 254,
+				"y": 196
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 9
+			},
+			"type": "blend"
+		},
+		{
+			"name": "colorize_0",
+			"node_position": {
+				"x": -15,
+				"y": 289
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.546875,
+							"g": 0.546875,
+							"pos": 0.845455,
+							"r": 0.546875
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 1,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/mosaic.ptex

@@ -1 +1,245 @@
-{"connections":[{"from":"blend_0","from_port":0,"to":"Material","to_port":0},{"from":"voronoi_0","from_port":2,"to":"blend_0","to_port":1},{"from":"voronoi_0","from_port":1,"to":"colorize_0","to_port":0},{"from":"colorize_0","from_port":0,"to":"blend_0","to_port":0},{"from":"voronoi_0","from_port":1,"to":"colorize_1","to_port":0},{"from":"colorize_1","from_port":0,"to":"normal_map_0","to_port":0},{"from":"normal_map_0","from_port":0,"to":"Material","to_port":4},{"from":"uniform_0","from_port":0,"to":"Material","to_port":1},{"from":"voronoi_0","from_port":1,"to":"colorize_2","to_port":0},{"from":"colorize_2","from_port":0,"to":"Material","to_port":2}],"nodes":[{"name":"voronoi_0","node_position":{"x":-543.5,"y":-11.5},"parameters":{"intensity":1,"scale_x":32,"scale_y":32},"type":"voronoi"},{"name":"normal_map_0","node_position":{"x":-165.5,"y":133.5},"parameters":{"amount":0.5,"size":5},"type":"normal_map"},{"name":"Material","node_position":{"x":30,"y":-44},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":1,"metallic":1,"normal_scale":1,"resolution":1,"roughness":1},"type":"material"},{"name":"colorize_1","node_position":{"x":-349.5,"y":138.5},"parameters":{"gradient":{"points":[{"a":1,"b":1,"g":1,"pos":0.045455,"r":1},{"a":1,"b":0,"g":0,"pos":0.109091,"r":0}],"type":"Gradient"}},"type":"colorize"},{"name":"colorize_0","node_position":{"x":-317.5,"y":-169.5},"parameters":{"gradient":{"points":[{"a":1,"b":1,"g":1,"pos":0.063636,"r":1},{"a":1,"b":0,"g":0,"pos":0.072727,"r":0}],"type":"Gradient"}},"type":"colorize"},{"name":"uniform_0","node_position":{"x":-127.5,"y":-3.5},"parameters":{"color":{"a":1,"b":0.109375,"g":0.109375,"r":0.109375,"type":"Color"}},"type":"uniform"},{"name":"colorize_2","node_position":{"x":-306.5,"y":39.5},"parameters":{"gradient":{"points":[{"a":1,"b":1,"g":1,"pos":0,"r":1},{"a":1,"b":0.109375,"g":0.109375,"pos":0.236364,"r":0.109375}],"type":"Gradient"}},"type":"colorize"},{"name":"blend_0","node_position":{"x":-294.5,"y":-94.5},"parameters":{"amount":1,"blend_type":3},"type":"blend"}]}
+{
+	"connections": [
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		},
+		{
+			"from": "voronoi_0",
+			"from_port": 2,
+			"to": "blend_0",
+			"to_port": 1
+		},
+		{
+			"from": "voronoi_0",
+			"from_port": 1,
+			"to": "colorize_0",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 0
+		},
+		{
+			"from": "voronoi_0",
+			"from_port": 1,
+			"to": "colorize_1",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_1",
+			"from_port": 0,
+			"to": "normal_map_0",
+			"to_port": 0
+		},
+		{
+			"from": "normal_map_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 4
+		},
+		{
+			"from": "uniform_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 1
+		},
+		{
+			"from": "voronoi_0",
+			"from_port": 1,
+			"to": "colorize_2",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_2",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 2
+		}
+	],
+	"label": "Graph",
+	"name": "448",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "voronoi_0",
+			"node_position": {
+				"x": -543.5,
+				"y": -11.5
+			},
+			"parameters": {
+				"intensity": 1,
+				"randomness": 1,
+				"scale_x": 32,
+				"scale_y": 32
+			},
+			"type": "voronoi"
+		},
+		{
+			"name": "normal_map_0",
+			"node_position": {
+				"x": -260.5,
+				"y": 128.5
+			},
+			"parameters": {
+				"amount": 0.5,
+				"param0": 11,
+				"param1": 0.99,
+				"size": 5
+			},
+			"type": "normal_map"
+		},
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 30,
+				"y": -44
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 1,
+				"emission_energy": 1,
+				"metallic": 1,
+				"normal_scale": 1,
+				"resolution": 1,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "colorize_1",
+			"node_position": {
+				"x": -490.5,
+				"y": 135.5
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.054546,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.127273,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_0",
+			"node_position": {
+				"x": -317.5,
+				"y": -169.5
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.063636,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.072727,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "uniform_0",
+			"node_position": {
+				"x": -127.5,
+				"y": -3.5
+			},
+			"parameters": {
+				"color": {
+					"a": 1,
+					"b": 0.109375,
+					"g": 0.109375,
+					"r": 0.109375,
+					"type": "Color"
+				}
+			},
+			"type": "uniform"
+		},
+		{
+			"name": "colorize_2",
+			"node_position": {
+				"x": -306.5,
+				"y": 39.5
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0.109375,
+							"g": 0.109375,
+							"pos": 0.236364,
+							"r": 0.109375
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "blend_0",
+			"node_position": {
+				"x": -294.5,
+				"y": -94.5
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 3
+			},
+			"type": "blend"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/paper.ptex

@@ -1 +1,342 @@
-{"connections":[{"from":"pattern_0","from_port":0,"to":"colorize_0","to_port":0},{"from":"pattern_1","from_port":0,"to":"colorize_1","to_port":0},{"from":"colorize_0","from_port":0,"to":"blend_0","to_port":0},{"from":"colorize_1","from_port":0,"to":"blend_0","to_port":1},{"from":"blend_0","from_port":0,"to":"Material","to_port":0},{"from":"shape_0","from_port":0,"to":"colorize_2","to_port":0},{"from":"colorize_2","from_port":0,"to":"transform_0","to_port":0},{"from":"perlin_1","from_port":0,"to":"transform_0","to_port":1},{"from":"colorize_3","from_port":0,"to":"blend_1","to_port":0},{"from":"transform_0","from_port":0,"to":"blend_1","to_port":1},{"from":"perlin_1","from_port":0,"to":"colorize_3","to_port":0}],"nodes":[{"name":"Material","node_position":{"x":479,"y":-5},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":1,"metallic":1,"normal_scale":1,"resolution":1,"roughness":1},"type":"material"},{"name":"pattern_1","node_position":{"x":-295.25,"y":-24.25},"parameters":{"mix":3,"x_scale":8,"x_wave":1,"y_scale":8,"y_wave":1},"type":"pattern"},{"name":"pattern_0","node_position":{"x":-303,"y":-157},"parameters":{"mix":3,"x_scale":4,"x_wave":4,"y_scale":32,"y_wave":1},"type":"pattern"},{"name":"colorize_1","node_position":{"x":-13.25,"y":-31.25},"parameters":{"gradient":{"points":[{"a":1,"b":1,"g":0.752604,"pos":0.036364,"r":0.583333},{"a":1,"b":1,"g":1,"pos":0.054545,"r":1}],"type":"Gradient"}},"type":"colorize"},{"name":"colorize_0","node_position":{"x":-34,"y":-153},"parameters":{"gradient":{"points":[{"a":1,"b":1,"g":0.752604,"pos":0.054545,"r":0.583333},{"a":1,"b":1,"g":1,"pos":0.081818,"r":1}],"type":"Gradient"}},"type":"colorize"},{"name":"blend_0","node_position":{"x":231,"y":5.5},"parameters":{"amount":1,"blend_type":10},"type":"blend"},{"name":"perlin_0","node_position":{"x":-27.999969,"y":111},"parameters":{"iterations":3,"persistence":0.5,"scale_x":4,"scale_y":4},"type":"perlin"},{"name":"shape_0","node_position":{"x":-300.999969,"y":281},"parameters":{"edge":0.465753,"radius":0.452055,"shape":1,"sides":4},"type":"shape"},{"name":"colorize_2","node_position":{"x":-137.999969,"y":291},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0,"pos":0.3,"r":0},{"a":1,"b":1,"g":1,"pos":0.509091,"r":1},{"a":1,"b":0,"g":0,"pos":0.754545,"r":0}],"type":"Gradient"}},"type":"colorize"},{"name":"perlin_1","node_position":{"x":-267.999969,"y":487},"parameters":{"iterations":6,"persistence":0.5,"scale_x":16,"scale_y":16},"type":"perlin"},{"name":"blend_1","node_position":{"x":312.000031,"y":380.5},"parameters":{"amount":1,"blend_type":0},"type":"blend"},{"name":"colorize_3","node_position":{"x":48.000031,"y":499.5},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0,"pos":0,"r":0},{"a":1,"b":1,"g":1,"pos":1,"r":1}],"type":"Gradient"}},"type":"colorize"},{"name":"transform_0","node_position":{"x":66.000031,"y":250.5},"parameters":{"repeat":true,"rotate":0,"scale_x":1,"scale_y":1,"translate_x":0.01,"translate_y":0},"type":"transform"}]}
+{
+	"connections": [
+		{
+			"from": "pattern_0",
+			"from_port": 0,
+			"to": "colorize_0",
+			"to_port": 0
+		},
+		{
+			"from": "pattern_1",
+			"from_port": 0,
+			"to": "colorize_1",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_1",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 1
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		},
+		{
+			"from": "shape_0",
+			"from_port": 0,
+			"to": "colorize_2",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_2",
+			"from_port": 0,
+			"to": "transform_0",
+			"to_port": 0
+		},
+		{
+			"from": "perlin_1",
+			"from_port": 0,
+			"to": "transform_0",
+			"to_port": 1
+		},
+		{
+			"from": "colorize_3",
+			"from_port": 0,
+			"to": "blend_1",
+			"to_port": 0
+		},
+		{
+			"from": "transform_0",
+			"from_port": 0,
+			"to": "blend_1",
+			"to_port": 1
+		},
+		{
+			"from": "perlin_1",
+			"from_port": 0,
+			"to": "colorize_3",
+			"to_port": 0
+		}
+	],
+	"label": "Graph",
+	"name": "466",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 479,
+				"y": -5
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 1,
+				"emission_energy": 1,
+				"metallic": 1,
+				"normal_scale": 1,
+				"resolution": 1,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "pattern_1",
+			"node_position": {
+				"x": -295.25,
+				"y": -24.25
+			},
+			"parameters": {
+				"mix": 3,
+				"x_scale": 8,
+				"x_wave": 1,
+				"y_scale": 8,
+				"y_wave": 1
+			},
+			"type": "pattern"
+		},
+		{
+			"name": "pattern_0",
+			"node_position": {
+				"x": -303,
+				"y": -157
+			},
+			"parameters": {
+				"mix": 3,
+				"x_scale": 4,
+				"x_wave": 4,
+				"y_scale": 32,
+				"y_wave": 1
+			},
+			"type": "pattern"
+		},
+		{
+			"name": "colorize_1",
+			"node_position": {
+				"x": -13.25,
+				"y": -31.25
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 0.752604,
+							"pos": 0.036364,
+							"r": 0.583333
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.054545,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_0",
+			"node_position": {
+				"x": -34,
+				"y": -153
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 0.752604,
+							"pos": 0.054545,
+							"r": 0.583333
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.081818,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "blend_0",
+			"node_position": {
+				"x": 231,
+				"y": 5.5
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 10
+			},
+			"type": "blend"
+		},
+		{
+			"name": "perlin_0",
+			"node_position": {
+				"x": -27.999969,
+				"y": 111
+			},
+			"parameters": {
+				"iterations": 3,
+				"persistence": 0.5,
+				"scale_x": 4,
+				"scale_y": 4
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "shape_0",
+			"node_position": {
+				"x": -300.999969,
+				"y": 281
+			},
+			"parameters": {
+				"edge": 0.465753,
+				"radius": 0.452055,
+				"shape": 1,
+				"sides": 4
+			},
+			"type": "shape"
+		},
+		{
+			"name": "colorize_2",
+			"node_position": {
+				"x": -137.999969,
+				"y": 291
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.3,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.509091,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.754545,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "perlin_1",
+			"node_position": {
+				"x": -267.999969,
+				"y": 487
+			},
+			"parameters": {
+				"iterations": 6,
+				"persistence": 0.5,
+				"scale_x": 16,
+				"scale_y": 16
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "blend_1",
+			"node_position": {
+				"x": 312.000031,
+				"y": 380.5
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 0
+			},
+			"type": "blend"
+		},
+		{
+			"name": "colorize_3",
+			"node_position": {
+				"x": 48.000031,
+				"y": 499.5
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 1,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "transform_0",
+			"node_position": {
+				"x": 66.000031,
+				"y": 250.5
+			},
+			"parameters": {
+				"repeat": true,
+				"rotate": 0,
+				"scale_x": 1,
+				"scale_y": 1,
+				"translate_x": 0.01,
+				"translate_y": 0
+			},
+			"type": "transform"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/pentagram.ptex

@@ -0,0 +1,536 @@
+{
+	"connections": [
+		{
+			"from": "shape_2",
+			"from_port": 0,
+			"to": "colorize_2_2",
+			"to_port": 0
+		},
+		{
+			"from": "graph",
+			"from_port": 0,
+			"to": "blend_2_2",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_2_2",
+			"from_port": 0,
+			"to": "blend_2_2",
+			"to_port": 1
+		},
+		{
+			"from": "blend_2_2",
+			"from_port": 0,
+			"to": "colorize_3",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_3",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 3
+		}
+	],
+	"label": "Graph",
+	"name": "39",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 193,
+				"y": -49
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 0,
+					"g": 0,
+					"r": 0,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 1,
+				"emission_energy": 1,
+				"metallic": 1,
+				"normal_scale": 1,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "shape_2",
+			"node_position": {
+				"x": -533.992065,
+				"y": -0.5
+			},
+			"parameters": {
+				"edge": 1,
+				"radius": 0.25,
+				"shape": 2,
+				"sides": 5
+			},
+			"type": "shape"
+		},
+		{
+			"name": "colorize_2_2",
+			"node_position": {
+				"x": -363.992096,
+				"y": -7
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.027273,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.118182,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.143066,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "blend_2_2",
+			"node_position": {
+				"x": -38.492065,
+				"y": 139
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 9
+			},
+			"type": "blend"
+		},
+		{
+			"name": "colorize_3",
+			"node_position": {
+				"x": 106.007935,
+				"y": -288.5
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 1,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"connections": [
+				{
+					"from": "_2",
+					"from_port": 0,
+					"to": "transform",
+					"to_port": 0
+				},
+				{
+					"from": "transform",
+					"from_port": 0,
+					"to": "_3",
+					"to_port": 0
+				},
+				{
+					"from": "shape",
+					"from_port": 0,
+					"to": "colorize",
+					"to_port": 0
+				},
+				{
+					"from": "colorize",
+					"from_port": 0,
+					"to": "blend",
+					"to_port": 0
+				},
+				{
+					"from": "_3",
+					"from_port": 0,
+					"to": "blend",
+					"to_port": 1
+				},
+				{
+					"from": "shape",
+					"from_port": 0,
+					"to": "colorize_2",
+					"to_port": 0
+				},
+				{
+					"from": "blend",
+					"from_port": 0,
+					"to": "blend_2",
+					"to_port": 0
+				},
+				{
+					"from": "colorize_2",
+					"from_port": 0,
+					"to": "blend_2",
+					"to_port": 1
+				},
+				{
+					"from": "blend_2",
+					"from_port": 0,
+					"to": "gen_outputs",
+					"to_port": 0
+				}
+			],
+			"label": "Runes circle",
+			"name": "graph",
+			"node_position": {
+				"x": -271.03067,
+				"y": -132
+			},
+			"nodes": [
+				{
+					"name": "_2",
+					"node_position": {
+						"x": -400.5,
+						"y": -278.5
+					},
+					"parameters": {
+						"columns": 64,
+						"rows": 8,
+						"thickness": 0.1
+					},
+					"shader_model": {
+						"global": "// Based on Otavio Good's https://www.shadertoy.com/view/MsXSRn\n\nfloat ThickLine(vec2 uv, vec2 posA, vec2 posB, float radiusInv)\n{\n\tvec2 dir = posA - posB;\n\tfloat dirLen = length(dir);\n\tvec2 dirN = normalize(dir);\n\tfloat dotTemp = clamp(dot(uv - posB, dirN), 0.0, dirLen);\n\tvec2 proj = dotTemp * dirN + posB;\n\tfloat d1 = length(uv - proj);\n\tfloat finalGray = clamp(1.0 - d1 * radiusInv, 0.0, 1.0);\n\treturn finalGray;\n}\n\n// makes a rune in the 0..1 uv space. Seed is which rune to draw.\n// passes back gray in x and derivates for lighting in yz\nfloat Rune(vec2 uv, float thickness) {\n\tfloat finalLine = 0.0;\n\tvec2 seed = floor(uv)-0.41;\n\tuv = fract(uv);\n\tfor (int i = 0; i < 4; i++)\t// number of strokes\n\t{\n\t\tvec2 posA = rand2(floor(seed+0.5));\n\t\tvec2 posB = rand2(floor(seed+1.5));\n\t\tseed += 2.0;\n\t\t// expand the range and mod it to get a nicely distributed random number - hopefully. :)\n\t\tposA = fract(posA * 128.0);\n\t\tposB = fract(posB * 128.0);\n\t\t// each rune touches the edge of its box on all 4 sides\n\t\tif (i == 0) posA.y = 0.0;\n\t\tif (i == 1) posA.x = 0.999;\n\t\tif (i == 2) posA.x = 0.0;\n\t\tif (i == 3) posA.y = 0.999;\n\t\t// snap the random line endpoints to a grid 2x3\n\t\tvec2 snaps = vec2(2.0, 3.0);\n\t\tposA = (floor(posA * snaps) + 0.5) / snaps;\t// + 0.5 to center it in a grid cell\n\t\tposB = (floor(posB * snaps) + 0.5) / snaps;\n\t\t//if (distance(posA, posB) < 0.0001) continue;\t// eliminate dots.\n\t\t// Dots (degenerate lines) are not cross-GPU safe without adding 0.001 - divide by 0 error.\n\t\tfinalLine = max(finalLine, ThickLine(uv, posA, posB + 0.001, 1.0/max(0.01, thickness)));\n\t}\n\treturn finalLine;\n}\n\n\n",
+						"inputs": [
+
+						],
+						"instance": "",
+						"name": "Runes",
+						"outputs": [
+							{
+								"f": "Rune(vec2($columns, $rows)*$uv, $thickness)",
+								"type": "f"
+							}
+						],
+						"parameters": [
+							{
+								"default": 0,
+								"label": "",
+								"max": 32,
+								"min": 2,
+								"name": "columns",
+								"step": 1,
+								"type": "float",
+								"widget": "spinbox"
+							},
+							{
+								"default": 0,
+								"label": "",
+								"max": 32,
+								"min": 2,
+								"name": "rows",
+								"step": 1,
+								"type": "float",
+								"widget": "spinbox"
+							},
+							{
+								"default": 0.1,
+								"label": "",
+								"max": 0.3,
+								"min": 0,
+								"name": "thickness",
+								"step": 0.01,
+								"type": "float"
+							}
+						]
+					},
+					"type": "shader"
+				},
+				{
+					"name": "transform",
+					"node_position": {
+						"x": -437.5,
+						"y": -153.5
+					},
+					"parameters": {
+						"repeat": true,
+						"rotate": 0,
+						"scale_x": 8,
+						"scale_y": 1,
+						"translate_x": 0,
+						"translate_y": -0.04
+					},
+					"type": "transform"
+				},
+				{
+					"name": "shape",
+					"node_position": {
+						"x": -156.068481,
+						"y": -262.5
+					},
+					"parameters": {
+						"edge": 0.299221,
+						"radius": 1,
+						"shape": 0,
+						"sides": 3
+					},
+					"type": "shape"
+				},
+				{
+					"name": "colorize",
+					"node_position": {
+						"x": -174.853485,
+						"y": -165.5
+					},
+					"parameters": {
+						"gradient": {
+							"points": [
+								{
+									"a": 1,
+									"b": 0,
+									"g": 0,
+									"pos": 0.1,
+									"r": 0
+								},
+								{
+									"a": 1,
+									"b": 1,
+									"g": 1,
+									"pos": 0.154545,
+									"r": 1
+								},
+								{
+									"a": 1,
+									"b": 1,
+									"g": 1,
+									"pos": 0.545455,
+									"r": 1
+								},
+								{
+									"a": 1,
+									"b": 0,
+									"g": 0,
+									"pos": 0.618182,
+									"r": 0
+								}
+							],
+							"type": "Gradient"
+						}
+					},
+					"type": "colorize"
+				},
+				{
+					"name": "blend",
+					"node_position": {
+						"x": -195.853485,
+						"y": -107.5
+					},
+					"parameters": {
+						"amount": 1,
+						"blend_type": 2
+					},
+					"type": "blend"
+				},
+				{
+					"name": "colorize_2",
+					"node_position": {
+						"x": -167.853485,
+						"y": -26.5
+					},
+					"parameters": {
+						"gradient": {
+							"points": [
+								{
+									"a": 1,
+									"b": 0,
+									"g": 0,
+									"pos": 0.018182,
+									"r": 0
+								},
+								{
+									"a": 1,
+									"b": 1,
+									"g": 1,
+									"pos": 0.081819,
+									"r": 1
+								},
+								{
+									"a": 1,
+									"b": 0,
+									"g": 0,
+									"pos": 0.115793,
+									"r": 0
+								},
+								{
+									"a": 1,
+									"b": 0,
+									"g": 0,
+									"pos": 0.570339,
+									"r": 0
+								},
+								{
+									"a": 1,
+									"b": 1,
+									"g": 1,
+									"pos": 0.633975,
+									"r": 1
+								},
+								{
+									"a": 1,
+									"b": 0,
+									"g": 0,
+									"pos": 0.663637,
+									"r": 0
+								}
+							],
+							"type": "Gradient"
+						}
+					},
+					"type": "colorize"
+				},
+				{
+					"name": "_3",
+					"node_position": {
+						"x": -390.5,
+						"y": 41.5
+					},
+					"parameters": {
+
+					},
+					"shader_model": {
+						"global": "",
+						"inputs": [
+							{
+								"default": "0.0",
+								"label": "",
+								"name": "in",
+								"type": "rgba"
+							}
+						],
+						"instance": "",
+						"name": "DiscMap",
+						"outputs": [
+							{
+								"rgba": "$in(vec2(atan($uv.y-0.5, $uv.x-0.5), 2.0*length($uv-vec2(0.5))))",
+								"type": "rgba"
+							}
+						],
+						"parameters": [
+
+						]
+					},
+					"type": "shader"
+				},
+				{
+					"name": "blend_2",
+					"node_position": {
+						"x": -197.116241,
+						"y": 32.5
+					},
+					"parameters": {
+						"amount": 1,
+						"blend_type": 9
+					},
+					"type": "blend"
+				},
+				{
+					"name": "gen_outputs",
+					"node_position": {
+						"x": 143.931519,
+						"y": -115
+					},
+					"parameters": {
+
+					},
+					"ports": [
+						{
+							"name": "port0",
+							"type": "rgba"
+						}
+					],
+					"type": "ios"
+				}
+			],
+			"parameters": {
+
+			},
+			"type": "graph"
+		},
+		{
+			"name": "shape",
+			"node_position": {
+				"x": -525.749817,
+				"y": 117.666656
+			},
+			"parameters": {
+				"edge": 0.2,
+				"radius": 0.75,
+				"shape": 0,
+				"sides": 2
+			},
+			"type": "shape"
+		},
+		{
+			"name": "colorize",
+			"node_position": {
+				"x": -536.749817,
+				"y": 233.55304
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 1,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/planet.ptex

@@ -0,0 +1,328 @@
+{
+	"connections": [
+		{
+			"from": "colorize_2",
+			"from_port": 0,
+			"to": "colorize",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_2",
+			"from_port": 0,
+			"to": "colorize_3",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_3",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 6
+		},
+		{
+			"from": "colorize_2",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 2
+		},
+		{
+			"from": "colorize",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_2",
+			"from_port": 0,
+			"to": "normal_map",
+			"to_port": 0
+		},
+		{
+			"from": "normal_map",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 4
+		},
+		{
+			"from": "pattern",
+			"from_port": 0,
+			"to": "colorize_4",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_4",
+			"from_port": 0,
+			"to": "blend",
+			"to_port": 0
+		},
+		{
+			"from": "perlin",
+			"from_port": 0,
+			"to": "blend",
+			"to_port": 1
+		},
+		{
+			"from": "blend",
+			"from_port": 0,
+			"to": "colorize_2",
+			"to_port": 0
+		}
+	],
+	"label": "Graph",
+	"name": "39",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 653,
+				"y": 157
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 0.6,
+				"emission_energy": 1,
+				"metallic": 0.05,
+				"normal_scale": 1,
+				"roughness": 0.75,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "perlin",
+			"node_position": {
+				"x": -334.5,
+				"y": -300.5
+			},
+			"parameters": {
+				"iterations": 6,
+				"persistence": 0.5,
+				"scale_x": 8,
+				"scale_y": 8
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "colorize",
+			"node_position": {
+				"x": -315.5,
+				"y": -87.5
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 0.1875,
+							"pos": 0.081818,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 0.447917,
+							"g": 0.827474,
+							"pos": 0.109091,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.489583,
+							"pos": 0.227273,
+							"r": 0.107096
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.19043,
+							"pos": 0.554545,
+							"r": 0.338542
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.172852,
+							"pos": 0.927273,
+							"r": 0.307292
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 1,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_2",
+			"node_position": {
+				"x": -314.5,
+				"y": -156.5
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.5,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.836364,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_3",
+			"node_position": {
+				"x": -316.5,
+				"y": -21.5
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 1,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "normal_map",
+			"node_position": {
+				"x": -20.5,
+				"y": 273.5
+			},
+			"parameters": {
+				"amount": 0.5,
+				"param0": 11,
+				"param1": 0.99,
+				"size": 4
+			},
+			"type": "normal_map"
+		},
+		{
+			"name": "pattern",
+			"node_position": {
+				"x": -343.5,
+				"y": -582.25
+			},
+			"parameters": {
+				"mix": 0,
+				"x_scale": 4,
+				"x_wave": 4,
+				"y_scale": 1,
+				"y_wave": 0
+			},
+			"type": "pattern"
+		},
+		{
+			"name": "colorize_4",
+			"node_position": {
+				"x": -300.5,
+				"y": -473.25
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0.75,
+							"g": 0.75,
+							"pos": 0.045455,
+							"r": 0.75
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.363636,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "blend",
+			"node_position": {
+				"x": -300.5,
+				"y": -399.25
+			},
+			"parameters": {
+				"amount": 0.819444,
+				"blend_type": 3
+			},
+			"type": "blend"
+		},
+		{
+			"name": "comment",
+			"node_position": {
+				"x": -544.5,
+				"y": -395.194458
+			},
+			"parameters": {
+				"size": 4
+			},
+			"size": {
+				"x": 190,
+				"y": 67
+			},
+			"text": "Best viewed on Sphere mesh",
+			"type": "comment"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/radiation.ptex

@@ -1 +1,232 @@
-{"connections":[{"from":"shape_2","from_port":0,"to":"blend_1","to_port":0},{"from":"shape_1","from_port":0,"to":"blend_1","to_port":1},{"from":"blend_0","from_port":0,"to":"blend_2","to_port":0},{"from":"shape_3","from_port":0,"to":"blend_2","to_port":1},{"from":"blend_2","from_port":0,"to":"colorize_0","to_port":0},{"from":"colorize_0","from_port":0,"to":"Material","to_port":0},{"from":"transform_0","from_port":0,"to":"blend_0","to_port":1},{"from":"blend_1","from_port":0,"to":"blend_0","to_port":0},{"from":"shape_0","from_port":0,"to":"transform_0","to_port":0}],"nodes":[{"name":"shape_3","node_position":{"x":-35,"y":36},"parameters":{"edge":0.05,"radius":0.18,"shape":0,"sides":3},"type":"shape"},{"name":"shape_0","node_position":{"x":-373,"y":13},"parameters":{"edge":0.02,"radius":0.5,"shape":4,"sides":3},"type":"shape"},{"name":"shape_1","node_position":{"x":-359,"y":-99},"parameters":{"edge":0.02,"radius":0.87,"shape":0,"sides":3},"type":"shape"},{"name":"shape_2","node_position":{"x":-358,"y":-200},"parameters":{"edge":0.02,"radius":0.34,"shape":0,"sides":3},"type":"shape"},{"name":"blend_1","node_position":{"x":-236,"y":-159},"parameters":{"amount":1,"blend_type":11},"type":"blend"},{"name":"Material","node_position":{"x":528,"y":-57},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":1,"metallic":1,"normal_scale":1,"resolution":1,"roughness":1},"type":"material"},{"name":"blend_0","node_position":{"x":-40,"y":-82},"parameters":{"amount":1,"blend_type":2},"type":"blend"},{"name":"transform_0","node_position":{"x":-245.657654,"y":-16.611115},"parameters":{"repeat":true,"rotate":30,"scale_x":1,"scale_y":1,"translate_x":0,"translate_y":0},"type":"transform"},{"name":"blend_2","node_position":{"x":149,"y":-34},"parameters":{"amount":1,"blend_type":3},"type":"blend"},{"name":"colorize_0","node_position":{"x":354.081177,"y":-39.5},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0.820313,"pos":0,"r":0.9375},{"a":1,"b":0,"g":0,"pos":1,"r":0}],"type":"Gradient"}},"type":"colorize"}]}
+{
+	"connections": [
+		{
+			"from": "shape_2",
+			"from_port": 0,
+			"to": "blend_1",
+			"to_port": 0
+		},
+		{
+			"from": "shape_1",
+			"from_port": 0,
+			"to": "blend_1",
+			"to_port": 1
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "blend_2",
+			"to_port": 0
+		},
+		{
+			"from": "shape_3",
+			"from_port": 0,
+			"to": "blend_2",
+			"to_port": 1
+		},
+		{
+			"from": "blend_2",
+			"from_port": 0,
+			"to": "colorize_0",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		},
+		{
+			"from": "transform_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 1
+		},
+		{
+			"from": "blend_1",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 0
+		},
+		{
+			"from": "shape_0",
+			"from_port": 0,
+			"to": "transform_0",
+			"to_port": 0
+		}
+	],
+	"label": "Graph",
+	"name": "535",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "shape_3",
+			"node_position": {
+				"x": -35,
+				"y": 36
+			},
+			"parameters": {
+				"edge": 0.05,
+				"radius": 0.18,
+				"shape": 0,
+				"sides": 3
+			},
+			"type": "shape"
+		},
+		{
+			"name": "shape_0",
+			"node_position": {
+				"x": -407,
+				"y": 19
+			},
+			"parameters": {
+				"edge": 0.02,
+				"radius": 0.5,
+				"shape": 4,
+				"sides": 3
+			},
+			"type": "shape"
+		},
+		{
+			"name": "shape_1",
+			"node_position": {
+				"x": -412,
+				"y": -117
+			},
+			"parameters": {
+				"edge": 0.02,
+				"radius": 0.87,
+				"shape": 0,
+				"sides": 3
+			},
+			"type": "shape"
+		},
+		{
+			"name": "shape_2",
+			"node_position": {
+				"x": -411,
+				"y": -218
+			},
+			"parameters": {
+				"edge": 0.02,
+				"radius": 0.34,
+				"shape": 0,
+				"sides": 3
+			},
+			"type": "shape"
+		},
+		{
+			"name": "blend_1",
+			"node_position": {
+				"x": -236,
+				"y": -159
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 11
+			},
+			"type": "blend"
+		},
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 528,
+				"y": -57
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 1,
+				"emission_energy": 1,
+				"metallic": 1,
+				"normal_scale": 1,
+				"resolution": 1,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "blend_0",
+			"node_position": {
+				"x": -40,
+				"y": -82
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 2
+			},
+			"type": "blend"
+		},
+		{
+			"name": "transform_0",
+			"node_position": {
+				"x": -245.657654,
+				"y": -16.611115
+			},
+			"parameters": {
+				"repeat": true,
+				"rotate": 30,
+				"scale_x": 1,
+				"scale_y": 1,
+				"translate_x": 0,
+				"translate_y": 0
+			},
+			"type": "transform"
+		},
+		{
+			"name": "blend_2",
+			"node_position": {
+				"x": 145,
+				"y": 36
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 3
+			},
+			"type": "blend"
+		},
+		{
+			"name": "colorize_0",
+			"node_position": {
+				"x": 292.081177,
+				"y": -103.5
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.820313,
+							"pos": 0,
+							"r": 0.9375
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 1,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/rock.ptex

@@ -1 +1,315 @@
-{"connections":[{"from":"voronoi_0","from_port":0,"to":"blend_0","to_port":0},{"from":"voronoi_0","from_port":1,"to":"blend_0","to_port":1},{"from":"perlin_0","from_port":0,"to":"blend_0","to_port":2},{"from":"blend_0","from_port":0,"to":"colorize_0","to_port":0},{"from":"colorize_0","from_port":0,"to":"Material","to_port":0},{"from":"normal_map_0","from_port":0,"to":"Material","to_port":4},{"from":"perlin_0","from_port":0,"to":"colorize_1","to_port":0},{"from":"colorize_1","from_port":0,"to":"Material","to_port":1},{"from":"perlin_0","from_port":0,"to":"colorize_2","to_port":0},{"from":"colorize_2","from_port":0,"to":"Material","to_port":2},{"from":"perlin_1","from_port":0,"to":"warp_0","to_port":1},{"from":"voronoi_1","from_port":1,"to":"warp_0","to_port":0},{"from":"warp_0","from_port":0,"to":"normal_map_0","to_port":0}],"nodes":[{"name":"normal_map_0","node_position":{"x":531,"y":432},"parameters":{"amount":0.5,"size":2},"type":"normal_map"},{"name":"colorize_1","node_position":{"x":533,"y":343},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0,"pos":0,"r":0},{"a":1,"b":0.260417,"g":0.260417,"pos":1,"r":0.260417}],"type":"Gradient"}},"type":"colorize"},{"name":"colorize_0","node_position":{"x":530,"y":171},"parameters":{"gradient":{"points":[{"a":1,"b":0.391927,"g":0.523519,"pos":0,"r":0.583333},{"a":1,"b":0.240885,"g":0.276693,"pos":0.345455,"r":0.3125},{"a":1,"b":0.391927,"g":0.523519,"pos":0.645455,"r":0.583333},{"a":1,"b":0.240885,"g":0.276693,"pos":0.945455,"r":0.3125}],"type":"Gradient"}},"type":"colorize"},{"name":"colorize_2","node_position":{"x":526,"y":258},"parameters":{"gradient":{"points":[{"a":1,"b":0.364583,"g":0.364583,"pos":0,"r":0.364583},{"a":1,"b":1,"g":1,"pos":1,"r":1}],"type":"Gradient"}},"type":"colorize"},{"name":"perlin_0","node_position":{"x":105,"y":305},"parameters":{"iterations":6,"persistence":0.85,"scale_x":4,"scale_y":4},"type":"perlin"},{"name":"perlin_1","node_position":{"x":102,"y":166},"parameters":{"iterations":3,"persistence":0.65,"scale_x":4,"scale_y":4},"type":"perlin"},{"name":"voronoi_1","node_position":{"x":115,"y":63},"parameters":{"intensity":0.85,"scale_x":4,"scale_y":4},"type":"voronoi"},{"name":"Material","node_position":{"x":768,"y":239},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":1,"metallic":1,"normal_scale":1,"resolution":1,"roughness":1},"type":"material"},{"name":"warp_0","node_position":{"x":317,"y":139},"parameters":{"amount":0.3},"type":"warp"},{"name":"voronoi_0","node_position":{"x":117,"y":448},"parameters":{"intensity":1,"scale_x":4,"scale_y":4},"type":"voronoi"},{"name":"blend_0","node_position":{"x":327,"y":411},"parameters":{"amount":0.5,"blend_type":0},"type":"blend"}]}
+{
+	"connections": [
+		{
+			"from": "voronoi_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 0
+		},
+		{
+			"from": "voronoi_0",
+			"from_port": 1,
+			"to": "blend_0",
+			"to_port": 1
+		},
+		{
+			"from": "perlin_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 2
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "colorize_0",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		},
+		{
+			"from": "normal_map_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 4
+		},
+		{
+			"from": "perlin_0",
+			"from_port": 0,
+			"to": "colorize_1",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_1",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 1
+		},
+		{
+			"from": "perlin_0",
+			"from_port": 0,
+			"to": "colorize_2",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_2",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 2
+		},
+		{
+			"from": "perlin_1",
+			"from_port": 0,
+			"to": "warp_0",
+			"to_port": 1
+		},
+		{
+			"from": "voronoi_1",
+			"from_port": 1,
+			"to": "warp_0",
+			"to_port": 0
+		},
+		{
+			"from": "warp_0",
+			"from_port": 0,
+			"to": "normal_map_0",
+			"to_port": 0
+		}
+	],
+	"label": "Graph",
+	"name": "553",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "normal_map_0",
+			"node_position": {
+				"x": 583,
+				"y": 463
+			},
+			"parameters": {
+				"amount": 0.5,
+				"param0": 11,
+				"param1": 0.99,
+				"size": 2
+			},
+			"type": "normal_map"
+		},
+		{
+			"name": "colorize_1",
+			"node_position": {
+				"x": 533,
+				"y": 343
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 0.260417,
+							"g": 0.260417,
+							"pos": 1,
+							"r": 0.260417
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_0",
+			"node_position": {
+				"x": 530,
+				"y": 171
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.391927,
+							"g": 0.523519,
+							"pos": 0,
+							"r": 0.583333
+						},
+						{
+							"a": 1,
+							"b": 0.240885,
+							"g": 0.276693,
+							"pos": 0.345455,
+							"r": 0.3125
+						},
+						{
+							"a": 1,
+							"b": 0.391927,
+							"g": 0.523519,
+							"pos": 0.645455,
+							"r": 0.583333
+						},
+						{
+							"a": 1,
+							"b": 0.240885,
+							"g": 0.276693,
+							"pos": 0.945455,
+							"r": 0.3125
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_2",
+			"node_position": {
+				"x": 526,
+				"y": 258
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.364583,
+							"g": 0.364583,
+							"pos": 0,
+							"r": 0.364583
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 1,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "perlin_0",
+			"node_position": {
+				"x": 105,
+				"y": 305
+			},
+			"parameters": {
+				"iterations": 6,
+				"persistence": 0.85,
+				"scale_x": 4,
+				"scale_y": 4
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "perlin_1",
+			"node_position": {
+				"x": 102,
+				"y": 166
+			},
+			"parameters": {
+				"iterations": 3,
+				"persistence": 0.65,
+				"scale_x": 4,
+				"scale_y": 4
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "voronoi_1",
+			"node_position": {
+				"x": 115,
+				"y": 63
+			},
+			"parameters": {
+				"intensity": 0.85,
+				"randomness": 1,
+				"scale_x": 4,
+				"scale_y": 4
+			},
+			"type": "voronoi"
+		},
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 768,
+				"y": 239
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 1,
+				"emission_energy": 1,
+				"metallic": 1,
+				"normal_scale": 1,
+				"resolution": 1,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "warp_0",
+			"node_position": {
+				"x": 317,
+				"y": 139
+			},
+			"parameters": {
+				"amount": 0.3,
+				"eps": 0.045,
+				"epsilon": 0
+			},
+			"type": "warp"
+		},
+		{
+			"name": "voronoi_0",
+			"node_position": {
+				"x": 117,
+				"y": 448
+			},
+			"parameters": {
+				"intensity": 1,
+				"randomness": 1,
+				"scale_x": 4,
+				"scale_y": 4
+			},
+			"type": "voronoi"
+		},
+		{
+			"name": "blend_0",
+			"node_position": {
+				"x": 327,
+				"y": 411
+			},
+			"parameters": {
+				"amount": 0.5,
+				"blend_type": 0
+			},
+			"type": "blend"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/rusted_metal.ptex

@@ -1 +1,360 @@
-{"connections":[{"from":"perlin_0","from_port":0,"to":"colorize_0","to_port":0},{"from":"perlin_1","from_port":0,"to":"colorize_1","to_port":0},{"from":"colorize_2","from_port":0,"to":"blend_0","to_port":0},{"from":"colorize_1","from_port":0,"to":"blend_0","to_port":1},{"from":"perlin_2","from_port":0,"to":"colorize_3","to_port":0},{"from":"colorize_3","from_port":0,"to":"blend_0","to_port":2},{"from":"colorize_0","from_port":0,"to":"blend_1","to_port":1},{"from":"blend_0","from_port":0,"to":"Material","to_port":0},{"from":"perlin_1","from_port":0,"to":"colorize_2","to_port":0},{"from":"colorize_3","from_port":0,"to":"Material","to_port":1},{"from":"blend_1","from_port":0,"to":"Material","to_port":2},{"from":"colorize_4","from_port":0,"to":"blend_1","to_port":0},{"from":"colorize_3","from_port":0,"to":"colorize_4","to_port":0},{"from":"colorize_3","from_port":0,"to":"combine_0","to_port":0},{"from":"blend_1","from_port":0,"to":"combine_0","to_port":1},{"from":"combine_0","from_port":0,"to":"export_0","to_port":0}],"nodes":[{"name":"perlin_0","node_position":{"x":86,"y":301},"parameters":{"iterations":8,"persistence":0.7,"scale_x":4,"scale_y":4},"type":"perlin"},{"name":"perlin_1","node_position":{"x":86,"y":147},"parameters":{"iterations":8,"persistence":0.8,"scale_x":4,"scale_y":4},"type":"perlin"},{"name":"perlin_2","node_position":{"x":89,"y":-6},"parameters":{"iterations":8,"persistence":0.9,"scale_x":4,"scale_y":4},"type":"perlin"},{"name":"colorize_2","node_position":{"x":365,"y":-41},"parameters":{"gradient":{"points":[{"a":1,"b":0.335938,"g":0.335938,"pos":0,"r":0.335938},{"a":1,"b":0.695313,"g":0.695313,"pos":1,"r":0.695313}],"type":"Gradient"}},"type":"colorize"},{"name":"colorize_0","node_position":{"x":363,"y":337},"parameters":{"gradient":{"points":[{"a":1,"b":0.354545,"g":0.354545,"pos":0,"r":0.354545},{"a":1,"b":0.745455,"g":0.745455,"pos":1,"r":0.745455}],"type":"Gradient"}},"type":"colorize"},{"name":"colorize_3","node_position":{"x":371,"y":47},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0,"pos":0.445455,"r":0},{"a":1,"b":1,"g":1,"pos":0.445455,"r":1}],"type":"Gradient"}},"type":"colorize"},{"name":"colorize_1","node_position":{"x":371,"y":214},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0.091146,"pos":0,"r":0.208333},{"a":1,"b":0,"g":0.1875,"pos":1,"r":1}],"type":"Gradient"}},"type":"colorize"},{"name":"colorize_4","node_position":{"x":480,"y":141},"parameters":{"gradient":{"points":[{"a":1,"b":1,"g":1,"pos":0,"r":1},{"a":1,"b":0,"g":0,"pos":1,"r":0}],"type":"Gradient"}},"type":"colorize"},{"name":"Material","node_position":{"x":837,"y":123},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":1,"metallic":1,"normal_scale":1,"resolution":1,"roughness":1},"type":"material"},{"name":"blend_1","node_position":{"x":566,"y":253},"parameters":{"amount":0.5,"blend_type":4},"type":"blend"},{"name":"blend_0","node_position":{"x":562,"y":-23},"parameters":{"amount":0.5,"blend_type":0},"type":"blend"},{"name":"combine_0","node_position":{"x":849,"y":-6},"parameters":{},"type":"combine"},{"name":"export_0","node_position":{"x":1022,"y":14},"parameters":{"resolution":1},"suffix":"mr","type":"export"}]}
+{
+	"connections": [
+		{
+			"from": "perlin_0",
+			"from_port": 0,
+			"to": "colorize_0",
+			"to_port": 0
+		},
+		{
+			"from": "perlin_1",
+			"from_port": 0,
+			"to": "colorize_1",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_2",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_1",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 1
+		},
+		{
+			"from": "perlin_2",
+			"from_port": 0,
+			"to": "colorize_3",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_3",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 2
+		},
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "blend_1",
+			"to_port": 1
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		},
+		{
+			"from": "perlin_1",
+			"from_port": 0,
+			"to": "colorize_2",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_3",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 1
+		},
+		{
+			"from": "blend_1",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 2
+		},
+		{
+			"from": "colorize_4",
+			"from_port": 0,
+			"to": "blend_1",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_3",
+			"from_port": 0,
+			"to": "colorize_4",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_3",
+			"from_port": 0,
+			"to": "combine_0",
+			"to_port": 0
+		},
+		{
+			"from": "blend_1",
+			"from_port": 0,
+			"to": "combine_0",
+			"to_port": 1
+		}
+	],
+	"label": "Graph",
+	"name": "431",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "perlin_0",
+			"node_position": {
+				"x": 86,
+				"y": 301
+			},
+			"parameters": {
+				"iterations": 8,
+				"persistence": 0.7,
+				"scale_x": 4,
+				"scale_y": 4
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "perlin_1",
+			"node_position": {
+				"x": 86,
+				"y": 147
+			},
+			"parameters": {
+				"iterations": 8,
+				"persistence": 0.8,
+				"scale_x": 4,
+				"scale_y": 4
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "perlin_2",
+			"node_position": {
+				"x": 89,
+				"y": -6
+			},
+			"parameters": {
+				"iterations": 8,
+				"persistence": 0.9,
+				"scale_x": 4,
+				"scale_y": 4
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "colorize_2",
+			"node_position": {
+				"x": 365,
+				"y": -41
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.335938,
+							"g": 0.335938,
+							"pos": 0,
+							"r": 0.335938
+						},
+						{
+							"a": 1,
+							"b": 0.695313,
+							"g": 0.695313,
+							"pos": 1,
+							"r": 0.695313
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_0",
+			"node_position": {
+				"x": 363,
+				"y": 337
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.354545,
+							"g": 0.354545,
+							"pos": 0,
+							"r": 0.354545
+						},
+						{
+							"a": 1,
+							"b": 0.745455,
+							"g": 0.745455,
+							"pos": 1,
+							"r": 0.745455
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_3",
+			"node_position": {
+				"x": 371,
+				"y": 47
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.445455,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.445455,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_1",
+			"node_position": {
+				"x": 371,
+				"y": 214
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.091146,
+							"pos": 0,
+							"r": 0.208333
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.1875,
+							"pos": 1,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_4",
+			"node_position": {
+				"x": 480,
+				"y": 141
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 1,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 837,
+				"y": 123
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 1,
+				"emission_energy": 1,
+				"metallic": 1,
+				"normal_scale": 1,
+				"resolution": 1,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "blend_1",
+			"node_position": {
+				"x": 566,
+				"y": 253
+			},
+			"parameters": {
+				"amount": 0.5,
+				"blend_type": 4
+			},
+			"type": "blend"
+		},
+		{
+			"name": "blend_0",
+			"node_position": {
+				"x": 562,
+				"y": -23
+			},
+			"parameters": {
+				"amount": 0.800781,
+				"blend_type": 0
+			},
+			"type": "blend"
+		},
+		{
+			"name": "combine_0",
+			"node_position": {
+				"x": 849,
+				"y": -6
+			},
+			"parameters": {
+				"color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"name": 0
+			},
+			"type": "combine"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/tiles.ptex

@@ -0,0 +1,356 @@
+{
+	"connections": [
+		{
+			"from": "shape",
+			"from_port": 0,
+			"to": "blend",
+			"to_port": 0
+		},
+		{
+			"from": "pattern",
+			"from_port": 0,
+			"to": "blend",
+			"to_port": 1
+		},
+		{
+			"from": "blend",
+			"from_port": 0,
+			"to": "transform",
+			"to_port": 0
+		},
+		{
+			"from": "transform_2",
+			"from_port": 0,
+			"to": "blend_2",
+			"to_port": 1
+		},
+		{
+			"from": "transform",
+			"from_port": 0,
+			"to": "blend_2",
+			"to_port": 0
+		},
+		{
+			"from": "bricks",
+			"from_port": 1,
+			"to": "transform_2_2",
+			"to_port": 0
+		},
+		{
+			"from": "transform_2_2",
+			"from_port": 0,
+			"to": "blend_3",
+			"to_port": 0
+		},
+		{
+			"from": "bricks",
+			"from_port": 1,
+			"to": "blend_3",
+			"to_port": 1
+		},
+		{
+			"from": "transform_2",
+			"from_port": 0,
+			"to": "blend_4",
+			"to_port": 0
+		},
+		{
+			"from": "transform",
+			"from_port": 0,
+			"to": "blend_4",
+			"to_port": 1
+		},
+		{
+			"from": "transform",
+			"from_port": 0,
+			"to": "transform_2",
+			"to_port": 0
+		},
+		{
+			"from": "blend_4",
+			"from_port": 0,
+			"to": "colorize",
+			"to_port": 0
+		},
+		{
+			"from": "colorize",
+			"from_port": 0,
+			"to": "blend_3",
+			"to_port": 2
+		},
+		{
+			"from": "blend_2",
+			"from_port": 0,
+			"to": "normal_map",
+			"to_port": 0
+		},
+		{
+			"from": "normal_map",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 4
+		},
+		{
+			"from": "blend_3",
+			"from_port": 0,
+			"to": "colorize_2",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_2",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		}
+	],
+	"label": "Graph",
+	"name": "39",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 510,
+				"y": -55
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 1,
+				"emission_energy": 0.45,
+				"metallic": 1,
+				"normal_scale": 2.15,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "shape",
+			"node_position": {
+				"x": -624.5,
+				"y": -157.5
+			},
+			"parameters": {
+				"edge": 0.0625,
+				"radius": 1,
+				"shape": 0,
+				"sides": 6
+			},
+			"type": "shape"
+		},
+		{
+			"name": "transform",
+			"node_position": {
+				"x": -445.5,
+				"y": -87.5
+			},
+			"parameters": {
+				"repeat": true,
+				"rotate": 0,
+				"scale_x": 0.125,
+				"scale_y": 0.125,
+				"translate_x": 0,
+				"translate_y": 0
+			},
+			"type": "transform"
+		},
+		{
+			"name": "pattern",
+			"node_position": {
+				"x": -726.5,
+				"y": -55.5
+			},
+			"parameters": {
+				"mix": 0,
+				"x_scale": 2,
+				"x_wave": 4,
+				"y_scale": 1,
+				"y_wave": 3
+			},
+			"type": "pattern"
+		},
+		{
+			"name": "blend",
+			"node_position": {
+				"x": -444.240479,
+				"y": -198.5
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 2
+			},
+			"type": "blend"
+		},
+		{
+			"name": "transform_2",
+			"node_position": {
+				"x": -222.240479,
+				"y": -85.5
+			},
+			"parameters": {
+				"repeat": true,
+				"rotate": 0,
+				"scale_x": 1,
+				"scale_y": 1,
+				"translate_x": 0.06,
+				"translate_y": 0.06
+			},
+			"type": "transform"
+		},
+		{
+			"name": "blend_2",
+			"node_position": {
+				"x": -167.240479,
+				"y": -198.5
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 9
+			},
+			"type": "blend"
+		},
+		{
+			"name": "bricks",
+			"node_position": {
+				"x": -506.407684,
+				"y": 150.5
+			},
+			"parameters": {
+				"bevel": 0,
+				"columns": 8,
+				"mortar": 0.1,
+				"pattern": 0,
+				"repeat": 1,
+				"row_offset": 0,
+				"rows": 8
+			},
+			"type": "bricks"
+		},
+		{
+			"name": "blend_3",
+			"node_position": {
+				"x": 2.592316,
+				"y": 168.5
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 0
+			},
+			"type": "blend"
+		},
+		{
+			"name": "transform_2_2",
+			"node_position": {
+				"x": -262.407715,
+				"y": 140
+			},
+			"parameters": {
+				"repeat": true,
+				"rotate": 0,
+				"scale_x": 1,
+				"scale_y": 1,
+				"translate_x": 0.56,
+				"translate_y": 0.56
+			},
+			"type": "transform"
+		},
+		{
+			"name": "blend_4",
+			"node_position": {
+				"x": 5.592316,
+				"y": 65.5
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 11
+			},
+			"type": "blend"
+		},
+		{
+			"name": "colorize",
+			"node_position": {
+				"x": -14.407684,
+				"y": 262.5
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.072727,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "normal_map",
+			"node_position": {
+				"x": 83.448486,
+				"y": -87.5
+			},
+			"parameters": {
+				"amount": 0.5,
+				"param0": 11,
+				"param1": 0.69,
+				"size": 4
+			},
+			"type": "normal_map"
+		},
+		{
+			"name": "colorize_2",
+			"node_position": {
+				"x": 217.448486,
+				"y": 41.5
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.375,
+							"pos": 0,
+							"r": 1
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.300293,
+							"pos": 1,
+							"r": 0.640625
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/wood.ptex

@@ -1 +1,350 @@
-{"connections":[{"from":"perlin_0","from_port":0,"to":"warp_0","to_port":0},{"from":"perlin_1","from_port":0,"to":"warp_0","to_port":1},{"from":"perlin_2","from_port":0,"to":"blend_0","to_port":0},{"from":"blend_0","from_port":0,"to":"normal_map_0","to_port":0},{"from":"normal_map_0","from_port":0,"to":"Material","to_port":4},{"from":"blend_0","from_port":0,"to":"colorize_0","to_port":0},{"from":"colorize_0","from_port":0,"to":"Material","to_port":2},{"from":"blend_0","from_port":0,"to":"Material","to_port":1},{"from":"voronoi_0","from_port":0,"to":"colorize_1","to_port":0},{"from":"warp_0","from_port":0,"to":"warp_1","to_port":0},{"from":"colorize_1","from_port":0,"to":"warp_1","to_port":1},{"from":"warp_1","from_port":0,"to":"blend_0","to_port":1},{"from":"combine_0","from_port":0,"to":"export_0","to_port":0},{"from":"colorize_0","from_port":0,"to":"combine_0","to_port":1},{"from":"blend_0","from_port":0,"to":"colorize_2","to_port":0},{"from":"blend_0","from_port":0,"to":"combine_0","to_port":0},{"from":"colorize_2","from_port":0,"to":"Material","to_port":0}],"nodes":[{"name":"perlin_2","node_position":{"x":-312,"y":2.5},"parameters":{"iterations":6,"persistence":1,"scale_x":32,"scale_y":4},"type":"perlin"},{"name":"perlin_1","node_position":{"x":-400,"y":359.5},"parameters":{"iterations":3,"persistence":0.5,"scale_x":4,"scale_y":4},"type":"perlin"},{"name":"perlin_0","node_position":{"x":-393,"y":203.5},"parameters":{"iterations":3,"persistence":0.5,"scale_x":32,"scale_y":4},"type":"perlin"},{"name":"warp_0","node_position":{"x":-180,"y":317.5},"parameters":{"amount":0.3},"type":"warp"},{"name":"colorize_1","node_position":{"x":-194,"y":466.5},"parameters":{"gradient":{"points":[{"a":1,"b":0.432292,"g":0.432292,"pos":0,"r":0.432292},{"a":1,"b":0,"g":0,"pos":0.345455,"r":0}],"type":"Gradient"}},"type":"colorize"},{"name":"warp_1","node_position":{"x":-31,"y":336.5},"parameters":{"amount":0.1},"type":"warp"},{"name":"voronoi_0","node_position":{"x":-381,"y":505.5},"parameters":{"intensity":1,"scale_x":5,"scale_y":4},"type":"voronoi"},{"name":"blend_0","node_position":{"x":83,"y":245.5},"parameters":{"amount":1,"blend_type":2},"type":"blend"},{"name":"combine_0","node_position":{"x":515.35144,"y":-15.818176},"parameters":{},"type":"combine"},{"name":"export_0","node_position":{"x":656.35144,"y":-20.818176},"parameters":{"resolution":1},"suffix":"mr","type":"export"},{"name":"Material","node_position":{"x":544,"y":79},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":1,"metallic":1,"normal_scale":1,"resolution":1,"roughness":1},"type":"material"},{"name":"colorize_2","node_position":{"x":305.35144,"y":76.181824},"parameters":{"gradient":{"points":[{"a":1,"b":0.071126,"g":0.34877,"pos":0,"r":0.59375},{"a":1,"b":0.013021,"g":0.144043,"pos":1,"r":0.3125}],"type":"Gradient"}},"type":"colorize"},{"name":"normal_map_0","node_position":{"x":319,"y":265.5},"parameters":{"amount":0.1,"size":5},"type":"normal_map"},{"name":"colorize_0","node_position":{"x":313,"y":176.5},"parameters":{"gradient":{"points":[{"a":1,"b":0.53125,"g":0.53125,"pos":0,"r":0.53125},{"a":1,"b":0.708333,"g":0.708333,"pos":1,"r":0.708333}],"type":"Gradient"}},"type":"colorize"}]}
+{
+	"connections": [
+		{
+			"from": "perlin_0",
+			"from_port": 0,
+			"to": "warp_0",
+			"to_port": 0
+		},
+		{
+			"from": "perlin_1",
+			"from_port": 0,
+			"to": "warp_0",
+			"to_port": 1
+		},
+		{
+			"from": "perlin_2",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 0
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "normal_map_0",
+			"to_port": 0
+		},
+		{
+			"from": "normal_map_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 4
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "colorize_0",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 2
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 1
+		},
+		{
+			"from": "voronoi_0",
+			"from_port": 0,
+			"to": "colorize_1",
+			"to_port": 0
+		},
+		{
+			"from": "warp_0",
+			"from_port": 0,
+			"to": "warp_1",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_1",
+			"from_port": 0,
+			"to": "warp_1",
+			"to_port": 1
+		},
+		{
+			"from": "warp_1",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 1
+		},
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "combine_0",
+			"to_port": 1
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "colorize_2",
+			"to_port": 0
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "combine_0",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_2",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		}
+	],
+	"label": "Graph",
+	"name": "475",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "perlin_2",
+			"node_position": {
+				"x": -312,
+				"y": 2.5
+			},
+			"parameters": {
+				"iterations": 6,
+				"persistence": 1,
+				"scale_x": 32,
+				"scale_y": 4
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "perlin_1",
+			"node_position": {
+				"x": -424,
+				"y": 343.5
+			},
+			"parameters": {
+				"iterations": 3,
+				"persistence": 0.5,
+				"scale_x": 4,
+				"scale_y": 4
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "perlin_0",
+			"node_position": {
+				"x": -424,
+				"y": 212.5
+			},
+			"parameters": {
+				"iterations": 3,
+				"persistence": 0.5,
+				"scale_x": 32,
+				"scale_y": 4
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "warp_0",
+			"node_position": {
+				"x": -180,
+				"y": 317.5
+			},
+			"parameters": {
+				"amount": 0.1,
+				"eps": 0.05,
+				"epsilon": 0
+			},
+			"type": "warp"
+		},
+		{
+			"name": "colorize_1",
+			"node_position": {
+				"x": -194,
+				"y": 466.5
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.432292,
+							"g": 0.432292,
+							"pos": 0,
+							"r": 0.432292
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.345455,
+							"r": 0
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "warp_1",
+			"node_position": {
+				"x": -31,
+				"y": 349.5
+			},
+			"parameters": {
+				"amount": 0.1,
+				"eps": 0.045,
+				"epsilon": 0
+			},
+			"type": "warp"
+		},
+		{
+			"name": "voronoi_0",
+			"node_position": {
+				"x": -437,
+				"y": 484.5
+			},
+			"parameters": {
+				"intensity": 1,
+				"randomness": 1,
+				"scale_x": 5,
+				"scale_y": 4
+			},
+			"type": "voronoi"
+		},
+		{
+			"name": "blend_0",
+			"node_position": {
+				"x": 83,
+				"y": 245.5
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 2
+			},
+			"type": "blend"
+		},
+		{
+			"name": "combine_0",
+			"node_position": {
+				"x": 515.35144,
+				"y": -15.818176
+			},
+			"parameters": {
+				"color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"name": 0
+			},
+			"type": "combine"
+		},
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 544,
+				"y": 79
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 1,
+				"emission_energy": 1,
+				"metallic": 1,
+				"normal_scale": 1,
+				"resolution": 1,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "colorize_2",
+			"node_position": {
+				"x": 305.35144,
+				"y": 76.181824
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.071126,
+							"g": 0.34877,
+							"pos": 0,
+							"r": 0.59375
+						},
+						{
+							"a": 1,
+							"b": 0.013021,
+							"g": 0.144043,
+							"pos": 1,
+							"r": 0.3125
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "normal_map_0",
+			"node_position": {
+				"x": 319,
+				"y": 265.5
+			},
+			"parameters": {
+				"amount": 0.1,
+				"param0": 11,
+				"param1": 0.99,
+				"size": 5
+			},
+			"type": "normal_map"
+		},
+		{
+			"name": "colorize_0",
+			"node_position": {
+				"x": 313,
+				"y": 176.5
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.53125,
+							"g": 0.53125,
+							"pos": 0,
+							"r": 0.53125
+						},
+						{
+							"a": 1,
+							"b": 0.708333,
+							"g": 0.708333,
+							"pos": 1,
+							"r": 0.708333
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/wood_with_blood.ptex

@@ -1 +1,489 @@
-{"connections":[{"from":"bricks_0","from_port":0,"to":"blend_0","to_port":0},{"from":"perlin_0","from_port":0,"to":"blend_0","to_port":1},{"from":"normal_map_0","from_port":0,"to":"Material","to_port":4},{"from":"perlin_1","from_port":0,"to":"colorize_2","to_port":0},{"from":"colorize_0","from_port":0,"to":"blend_1","to_port":1},{"from":"perlin_2","from_port":0,"to":"colorize_3","to_port":0},{"from":"colorize_3","from_port":0,"to":"blend_1","to_port":2},{"from":"blend_1","from_port":0,"to":"Material","to_port":0},{"from":"colorize_3","from_port":0,"to":"blend_2","to_port":0},{"from":"blend_2","from_port":0,"to":"Material","to_port":2},{"from":"blend_0","from_port":0,"to":"colorize_0","to_port":0},{"from":"blend_0","from_port":0,"to":"colorize_5","to_port":0},{"from":"colorize_5","from_port":0,"to":"normal_map_0","to_port":0},{"from":"uniform_1","from_port":0,"to":"Material","to_port":1},{"from":"uniform_0","from_port":0,"to":"blend_2","to_port":1},{"from":"perlin_1","from_port":0,"to":"colorize_1","to_port":0},{"from":"combine_0","from_port":0,"to":"export_0","to_port":0},{"from":"uniform_1","from_port":0,"to":"combine_0","to_port":0},{"from":"blend_2","from_port":0,"to":"combine_0","to_port":1},{"from":"colorize_2","from_port":0,"to":"blend_1","to_port":0}],"nodes":[{"name":"Material","node_position":{"x":938,"y":96},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":1,"metallic":1,"normal_scale":1,"resolution":1,"roughness":1},"type":"material"},{"name":"colorize_3","node_position":{"x":487.633789,"y":65},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0,"pos":0.518182,"r":0},{"a":1,"b":1,"g":1,"pos":0.709091,"r":1}],"type":"Gradient"}},"type":"colorize"},{"name":"bricks_0","node_position":{"x":-1,"y":30.5},"parameters":{"bevel":0.007813,"columns":5,"mortar":0.007813,"pattern":0,"repeat":1,"row_offset":0.5,"rows":1},"type":"bricks"},{"name":"colorize_0","node_position":{"x":472,"y":-41.5},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0.336914,"pos":0,"r":0.598958},{"a":1,"b":0,"g":0.454102,"pos":0.118182,"r":0.807292},{"a":1,"b":0,"g":0.37793,"pos":0.245455,"r":0.671875},{"a":1,"b":0,"g":0.427734,"pos":0.345455,"r":0.760417},{"a":1,"b":0.017795,"g":0.488254,"pos":0.527273,"r":0.854167},{"a":1,"b":0,"g":0.37793,"pos":0.645455,"r":0.671875},{"a":1,"b":0,"g":0.439453,"pos":0.845455,"r":0.78125},{"a":1,"b":0,"g":0.357422,"pos":1,"r":0.635417}],"type":"Gradient"}},"type":"colorize"},{"name":"perlin_1","node_position":{"x":110.633789,"y":-143.5},"parameters":{"iterations":7,"persistence":0.55,"scale_x":4,"scale_y":4},"type":"perlin"},{"name":"blend_2","node_position":{"x":690.633789,"y":201.5},"parameters":{"amount":0.4,"blend_type":0},"type":"blend"},{"name":"perlin_2","node_position":{"x":232.633789,"y":40},"parameters":{"iterations":6,"persistence":0.65,"scale_x":4,"scale_y":4},"type":"perlin"},{"name":"normal_map_0","node_position":{"x":724.633789,"y":345.5},"parameters":{"amount":0.15,"size":4},"type":"normal_map"},{"name":"blend_1","node_position":{"x":707.633789,"y":-68},"parameters":{"amount":0.5,"blend_type":0},"type":"blend"},{"name":"blend_0","node_position":{"x":271,"y":306.5},"parameters":{"amount":1,"blend_type":2},"type":"blend"},{"name":"colorize_5","node_position":{"x":503,"y":336.5},"parameters":{"gradient":{"points":[{"a":1,"b":1,"g":1,"pos":0,"r":1},{"a":1,"b":0,"g":0,"pos":1,"r":0}],"type":"Gradient"}},"type":"colorize"},{"name":"uniform_1","node_position":{"x":753,"y":116},"parameters":{"color":{"a":1,"b":0,"g":0,"r":0,"type":"Color"}},"type":"uniform"},{"name":"uniform_0","node_position":{"x":540,"y":234},"parameters":{"color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"}},"type":"uniform"},{"name":"colorize_2","node_position":{"x":454.633789,"y":-189.5},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0,"pos":0,"r":0.515625},{"a":1,"b":0,"g":0,"pos":0.145455,"r":0.25},{"a":1,"b":0,"g":0,"pos":0.445455,"r":0.515625},{"a":1,"b":0.013184,"g":0.013184,"pos":0.745455,"r":0.28125},{"a":1,"b":0,"g":0,"pos":1,"r":0.322917}],"type":"Gradient"}},"type":"colorize"},{"name":"colorize_1","node_position":{"x":461.329102,"y":-116.699997},"parameters":{"gradient":{"points":[{"a":1,"b":0.034912,"g":0.129532,"pos":0,"r":0.203125},{"a":1,"b":0.038791,"g":0.074319,"pos":1,"r":0.114583}],"type":"Gradient"}},"type":"colorize"},{"name":"export_0","node_position":{"x":1090.329102,"y":-76.5},"parameters":{"resolution":1},"suffix":"mr","type":"export"},{"name":"combine_0","node_position":{"x":942.329102,"y":-55.5},"parameters":{},"type":"combine"},{"name":"perlin_0","node_position":{"x":12,"y":243.5},"parameters":{"iterations":6,"persistence":0.7,"scale_x":20,"scale_y":3},"type":"perlin"}]}
+{
+	"connections": [
+		{
+			"from": "bricks_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 0
+		},
+		{
+			"from": "perlin_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 1
+		},
+		{
+			"from": "normal_map_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 4
+		},
+		{
+			"from": "perlin_1",
+			"from_port": 0,
+			"to": "colorize_2",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "blend_1",
+			"to_port": 1
+		},
+		{
+			"from": "perlin_2",
+			"from_port": 0,
+			"to": "colorize_3",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_3",
+			"from_port": 0,
+			"to": "blend_1",
+			"to_port": 2
+		},
+		{
+			"from": "blend_1",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_3",
+			"from_port": 0,
+			"to": "blend_2",
+			"to_port": 0
+		},
+		{
+			"from": "blend_2",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 2
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "colorize_0",
+			"to_port": 0
+		},
+		{
+			"from": "uniform_1",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 1
+		},
+		{
+			"from": "uniform_0",
+			"from_port": 0,
+			"to": "blend_2",
+			"to_port": 1
+		},
+		{
+			"from": "perlin_1",
+			"from_port": 0,
+			"to": "colorize_1",
+			"to_port": 0
+		},
+		{
+			"from": "uniform_1",
+			"from_port": 0,
+			"to": "combine_0",
+			"to_port": 0
+		},
+		{
+			"from": "blend_2",
+			"from_port": 0,
+			"to": "combine_0",
+			"to_port": 1
+		},
+		{
+			"from": "colorize_2",
+			"from_port": 0,
+			"to": "blend_1",
+			"to_port": 0
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "normal_map_0",
+			"to_port": 0
+		}
+	],
+	"label": "Graph",
+	"name": "505",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 938,
+				"y": 96
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 1,
+				"emission_energy": 1,
+				"metallic": 1,
+				"normal_scale": 1,
+				"resolution": 1,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "colorize_3",
+			"node_position": {
+				"x": 487.633789,
+				"y": 65
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.5,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 1,
+							"g": 1,
+							"pos": 0.672727,
+							"r": 1
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "bricks_0",
+			"node_position": {
+				"x": -21,
+				"y": 70.5
+			},
+			"parameters": {
+				"bevel": 0.007813,
+				"columns": 5,
+				"mortar": 0.025469,
+				"pattern": 0,
+				"repeat": 1,
+				"row_offset": 0.5,
+				"rows": 1
+			},
+			"type": "bricks"
+		},
+		{
+			"name": "colorize_0",
+			"node_position": {
+				"x": 472,
+				"y": -41.5
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.336914,
+							"pos": 0,
+							"r": 0.598958
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.454102,
+							"pos": 0.118182,
+							"r": 0.807292
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.37793,
+							"pos": 0.245455,
+							"r": 0.671875
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.427734,
+							"pos": 0.345455,
+							"r": 0.760417
+						},
+						{
+							"a": 1,
+							"b": 0.017795,
+							"g": 0.488254,
+							"pos": 0.527273,
+							"r": 0.854167
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.37793,
+							"pos": 0.645455,
+							"r": 0.671875
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.439453,
+							"pos": 0.845455,
+							"r": 0.78125
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0.357422,
+							"pos": 1,
+							"r": 0.635417
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "perlin_1",
+			"node_position": {
+				"x": 110.633789,
+				"y": -143.5
+			},
+			"parameters": {
+				"iterations": 7,
+				"persistence": 0.55,
+				"scale_x": 4,
+				"scale_y": 4
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "blend_2",
+			"node_position": {
+				"x": 690.633789,
+				"y": 201.5
+			},
+			"parameters": {
+				"amount": 0.4,
+				"blend_type": 0
+			},
+			"type": "blend"
+		},
+		{
+			"name": "perlin_2",
+			"node_position": {
+				"x": 232.633789,
+				"y": 40
+			},
+			"parameters": {
+				"iterations": 6,
+				"persistence": 0.65,
+				"scale_x": 4,
+				"scale_y": 4
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "normal_map_0",
+			"node_position": {
+				"x": 724.633789,
+				"y": 345.5
+			},
+			"parameters": {
+				"amount": 0.15,
+				"param0": 11,
+				"param1": 0.99,
+				"size": 4
+			},
+			"type": "normal_map"
+		},
+		{
+			"name": "blend_1",
+			"node_position": {
+				"x": 707.633789,
+				"y": -68
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 0
+			},
+			"type": "blend"
+		},
+		{
+			"name": "blend_0",
+			"node_position": {
+				"x": 222,
+				"y": 265.5
+			},
+			"parameters": {
+				"amount": 1,
+				"blend_type": 2
+			},
+			"type": "blend"
+		},
+		{
+			"name": "uniform_1",
+			"node_position": {
+				"x": 753,
+				"y": 116
+			},
+			"parameters": {
+				"color": {
+					"a": 1,
+					"b": 0,
+					"g": 0,
+					"r": 0,
+					"type": "Color"
+				}
+			},
+			"type": "uniform"
+		},
+		{
+			"name": "uniform_0",
+			"node_position": {
+				"x": 540,
+				"y": 234
+			},
+			"parameters": {
+				"color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				}
+			},
+			"type": "uniform"
+		},
+		{
+			"name": "colorize_2",
+			"node_position": {
+				"x": 454.633789,
+				"y": -189.5
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0,
+							"r": 0.515625
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.145455,
+							"r": 0.25
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0.445455,
+							"r": 0.515625
+						},
+						{
+							"a": 1,
+							"b": 0.013184,
+							"g": 0.013184,
+							"pos": 0.745455,
+							"r": 0.28125
+						},
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 1,
+							"r": 0.322917
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "colorize_1",
+			"node_position": {
+				"x": 461.329102,
+				"y": -116.699997
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0.034912,
+							"g": 0.129532,
+							"pos": 0,
+							"r": 0.203125
+						},
+						{
+							"a": 1,
+							"b": 0.038791,
+							"g": 0.074319,
+							"pos": 1,
+							"r": 0.114583
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "combine_0",
+			"node_position": {
+				"x": 942.329102,
+				"y": -55.5
+			},
+			"parameters": {
+				"color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"name": 0
+			},
+			"type": "combine"
+		},
+		{
+			"name": "perlin_0",
+			"node_position": {
+				"x": -20,
+				"y": 279.5
+			},
+			"parameters": {
+				"iterations": 6,
+				"persistence": 0.7,
+				"scale_x": 20,
+				"scale_y": 3
+			},
+			"type": "perlin"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/examples/wooden_floor.ptex

@@ -1 +1,273 @@
-{"connections":[{"from":"bricks_0","from_port":0,"to":"colorize_0","to_port":0},{"from":"colorize_0","from_port":0,"to":"blend_0","to_port":0},{"from":"blend_0","from_port":0,"to":"Material","to_port":0},{"from":"blend_0","from_port":0,"to":"colorize_1","to_port":0},{"from":"colorize_1","from_port":0,"to":"normal_map_0","to_port":0},{"from":"normal_map_0","from_port":0,"to":"Material","to_port":4},{"from":"blend_0","from_port":0,"to":"Material","to_port":2},{"from":"uniform_0","from_port":0,"to":"Material","to_port":1},{"from":"uniform_0","from_port":0,"to":"combine_0","to_port":0},{"from":"blend_0","from_port":0,"to":"combine_0","to_port":1},{"from":"combine_0","from_port":0,"to":"export_0","to_port":0},{"from":"transform_1","from_port":0,"to":"blend_0","to_port":1},{"from":"perlin_0","from_port":0,"to":"transform_1","to_port":0},{"from":"bricks_0","from_port":1,"to":"decompose_0","to_port":0},{"from":"decompose_0","from_port":0,"to":"transform_1","to_port":1},{"from":"decompose_0","from_port":1,"to":"transform_1","to_port":2}],"nodes":[{"name":"colorize_0","node_position":{"x":524,"y":-100.75},"parameters":{"gradient":{"points":[{"a":1,"b":0,"g":0,"pos":0,"r":0},{"a":1,"b":0.213623,"g":0.391325,"pos":0.145455,"r":0.651042}],"type":"Gradient"}},"type":"colorize"},{"name":"normal_map_0","node_position":{"x":740,"y":135.25},"parameters":{"amount":0.3,"size":4},"type":"normal_map"},{"name":"colorize_1","node_position":{"x":710,"y":208.25},"parameters":{"gradient":{"points":[{"a":1,"b":1,"g":1,"pos":0,"r":1},{"a":1,"b":0,"g":0,"pos":1,"r":0}],"type":"Gradient"}},"type":"colorize"},{"name":"uniform_0","node_position":{"x":718,"y":73},"parameters":{"color":{"a":1,"b":0,"g":0,"r":0,"type":"Color"}},"type":"uniform"},{"name":"Material","node_position":{"x":930,"y":38},"parameters":{"albedo_color":{"a":1,"b":1,"g":1,"r":1,"type":"Color"},"ao_light_affect":1,"depth_scale":1,"emission_energy":1,"metallic":1,"normal_scale":1,"resolution":1,"roughness":1},"type":"material"},{"name":"combine_0","node_position":{"x":866,"y":-78},"parameters":{},"type":"combine"},{"name":"export_0","node_position":{"x":1053,"y":-62},"parameters":{"resolution":1},"suffix":"mr","type":"export"},{"name":"perlin_0","node_position":{"x":69,"y":81.25},"parameters":{"iterations":6,"persistence":0.75,"scale_x":4,"scale_y":20},"type":"perlin"},{"name":"decompose_0","node_position":{"x":97,"y":236},"parameters":{},"type":"decompose"},{"name":"bricks_0","node_position":{"x":79,"y":-124.75},"parameters":{"bevel":0,"columns":1,"mortar":0.02,"pattern":0,"repeat":1,"row_offset":0.5,"rows":10},"type":"bricks"},{"name":"transform_1","node_position":{"x":290,"y":120},"parameters":{"repeat":true,"rotate":0,"scale_x":1,"scale_y":1,"translate_x":1,"translate_y":1},"type":"transform"},{"name":"blend_0","node_position":{"x":535,"y":2.25},"parameters":{"amount":0.5,"blend_type":0},"type":"blend"}]}
+{
+	"connections": [
+		{
+			"from": "bricks_0",
+			"from_port": 0,
+			"to": "colorize_0",
+			"to_port": 0
+		},
+		{
+			"from": "colorize_0",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 0
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 0
+		},
+		{
+			"from": "normal_map_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 4
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 2
+		},
+		{
+			"from": "uniform_0",
+			"from_port": 0,
+			"to": "Material",
+			"to_port": 1
+		},
+		{
+			"from": "uniform_0",
+			"from_port": 0,
+			"to": "combine_0",
+			"to_port": 0
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "combine_0",
+			"to_port": 1
+		},
+		{
+			"from": "transform_1",
+			"from_port": 0,
+			"to": "blend_0",
+			"to_port": 1
+		},
+		{
+			"from": "perlin_0",
+			"from_port": 0,
+			"to": "transform_1",
+			"to_port": 0
+		},
+		{
+			"from": "bricks_0",
+			"from_port": 1,
+			"to": "decompose_0",
+			"to_port": 0
+		},
+		{
+			"from": "decompose_0",
+			"from_port": 0,
+			"to": "transform_1",
+			"to_port": 1
+		},
+		{
+			"from": "decompose_0",
+			"from_port": 1,
+			"to": "transform_1",
+			"to_port": 2
+		},
+		{
+			"from": "blend_0",
+			"from_port": 0,
+			"to": "normal_map_0",
+			"to_port": 0
+		}
+	],
+	"label": "Graph",
+	"name": "490",
+	"node_position": {
+		"x": 0,
+		"y": 0
+	},
+	"nodes": [
+		{
+			"name": "colorize_0",
+			"node_position": {
+				"x": 524,
+				"y": -100.75
+			},
+			"parameters": {
+				"gradient": {
+					"points": [
+						{
+							"a": 1,
+							"b": 0,
+							"g": 0,
+							"pos": 0,
+							"r": 0
+						},
+						{
+							"a": 1,
+							"b": 0.213623,
+							"g": 0.391325,
+							"pos": 0.145455,
+							"r": 0.651042
+						}
+					],
+					"type": "Gradient"
+				}
+			},
+			"type": "colorize"
+		},
+		{
+			"name": "normal_map_0",
+			"node_position": {
+				"x": 740,
+				"y": 135.25
+			},
+			"parameters": {
+				"amount": 0.3,
+				"param0": 11,
+				"param1": 0.2,
+				"size": 4
+			},
+			"type": "normal_map"
+		},
+		{
+			"name": "uniform_0",
+			"node_position": {
+				"x": 781,
+				"y": 58
+			},
+			"parameters": {
+				"color": {
+					"a": 1,
+					"b": 0,
+					"g": 0,
+					"r": 0,
+					"type": "Color"
+				}
+			},
+			"type": "uniform"
+		},
+		{
+			"name": "Material",
+			"node_position": {
+				"x": 992,
+				"y": 42
+			},
+			"parameters": {
+				"albedo_color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"ao_light_affect": 1,
+				"depth_scale": 1,
+				"emission_energy": 1,
+				"metallic": 1,
+				"normal_scale": 1,
+				"resolution": 1,
+				"roughness": 1,
+				"size": 11
+			},
+			"type": "material"
+		},
+		{
+			"name": "combine_0",
+			"node_position": {
+				"x": 866,
+				"y": -78
+			},
+			"parameters": {
+				"color": {
+					"a": 1,
+					"b": 1,
+					"g": 1,
+					"r": 1,
+					"type": "Color"
+				},
+				"name": 0
+			},
+			"type": "combine"
+		},
+		{
+			"name": "perlin_0",
+			"node_position": {
+				"x": 69,
+				"y": 81.25
+			},
+			"parameters": {
+				"iterations": 6,
+				"persistence": 0.75,
+				"scale_x": 4,
+				"scale_y": 20
+			},
+			"type": "perlin"
+		},
+		{
+			"name": "decompose_0",
+			"node_position": {
+				"x": 97,
+				"y": 236
+			},
+			"parameters": {
+
+			},
+			"type": "decompose"
+		},
+		{
+			"name": "bricks_0",
+			"node_position": {
+				"x": 79,
+				"y": -124.75
+			},
+			"parameters": {
+				"bevel": 0,
+				"columns": 1,
+				"mortar": 0.02,
+				"pattern": 0,
+				"repeat": 1,
+				"row_offset": 0.5,
+				"rows": 10
+			},
+			"type": "bricks"
+		},
+		{
+			"name": "transform_1",
+			"node_position": {
+				"x": 290,
+				"y": 120
+			},
+			"parameters": {
+				"repeat": true,
+				"rotate": 0,
+				"scale_x": 1,
+				"scale_y": 1,
+				"translate_x": 1,
+				"translate_y": 1
+			},
+			"type": "transform"
+		},
+		{
+			"name": "blend_0",
+			"node_position": {
+				"x": 492,
+				"y": -13.75
+			},
+			"parameters": {
+				"amount": 0.554688,
+				"blend_type": 0
+			},
+			"type": "blend"
+		}
+	],
+	"parameters": {
+
+	},
+	"type": "graph"
+}

addons/material_maker/graph_edit.gd

@@ -1,76 +1,81 @@
 tool
 extends GraphEdit
+class_name MMGraphEdit
 
 var editor_interface = null
 var node_factory = null
-var renderer = null
 
-var save_path = null
+var save_path = null setget set_save_path
 var need_save = false
 
+var top_generator = null
+var generator = null
+
+onready var timer : Timer = $Timer
+
+onready var subgraph_ui : HBoxContainer = $GraphUI/SubGraphUI
+onready var button_transmits_seed : Button = $GraphUI/SubGraphUI/ButtonTransmitsSeed
+
 signal save_path_changed
 signal graph_changed
 
-func _ready():
+func _ready() -> void:
 	OS.low_processor_usage_mode = true
 	center_view()
 
-func _gui_input(event):
+func _gui_input(event) -> void:
 	if event is InputEventKey and event.pressed:
 		var scancode_with_modifiers = event.get_scancode_with_modifiers()
-		if scancode_with_modifiers == KEY_C:
-			center_view()
-		elif scancode_with_modifiers == KEY_DELETE:
+		if scancode_with_modifiers == KEY_DELETE || scancode_with_modifiers == KEY_BACKSPACE:
 			remove_selection()
 
 # Misc. useful functions
 
 func get_source(node, port):
 	for c in get_connection_list():
-		if c.to == node && c.to_port == port:
+		if c.to == node and c.to_port == port:
 			return { node=c.from, slot=c.from_port }
 
-func offset_from_global_position(global_position):
+func offset_from_global_position(global_position) -> Vector2:
 	return (scroll_offset + global_position - rect_global_position) / zoom
 
-func add_node(node):
+func add_node(node) -> void:
 	add_child(node)
 	node.connect("close_request", self, "remove_node", [ node ])
 
 func connect_node(from, from_slot, to, to_slot):
-	var source_list = [ from ]
-	# Check if the new connection creates a cycle in the graph
-	while !source_list.empty():
-		var source = source_list.pop_front()
-		if source == to:
-			#print("cannot connect %s to %s (%s)" % [from, to, source])
-			return false
+	if generator.connect_children(get_node(from).generator, from_slot, get_node(to).generator, to_slot):
+		var disconnect = get_source(to, to_slot)
+		if disconnect != null:
+			.disconnect_node(disconnect.node, disconnect.slot, to, to_slot)
+		.connect_node(from, from_slot, to, to_slot)
+		send_changed_signal()
+
+func disconnect_node(from, from_slot, to, to_slot) -> void:
+	if generator.disconnect_children(get_node(from).generator, from_slot, get_node(to).generator, to_slot):
+		.disconnect_node(from, from_slot, to, to_slot)
+		send_changed_signal()
+
+func on_connections_changed(removed_connections : Array, added_connections : Array) -> void:
+	for c in removed_connections:
+		.disconnect_node("node_"+c.from, c.from_port, "node_"+c.to, c.to_port)
+	for c in added_connections:
+		.connect_node("node_"+c.from, c.from_port, "node_"+c.to, c.to_port)
+
+func remove_node(node) -> void:
+	if generator.remove_generator(node.generator):
+		var node_name = node.name
 		for c in get_connection_list():
-			if c.to == source and source_list.find(c.from) == -1:
-				source_list.append(c.from)
-	var disconnect = get_source(to, to_slot)
-	if disconnect != null:
-		.disconnect_node(disconnect.node, disconnect.slot, to, to_slot)
-	.connect_node(from, from_slot, to, to_slot)
-	send_changed_signal()
-	return true
-
-func disconnect_node(from, from_slot, to, to_slot):
-	.disconnect_node(from, from_slot, to, to_slot)
-	send_changed_signal();
-
-func remove_node(node):
-	var node_name = node.name
-	for c in get_connection_list():
-		if c.from == node_name or c.to == node_name:
-			disconnect_node(c.from, c.from_port, c.to, c.to_port)
-			send_changed_signal()
-	node.queue_free()
+			if c.from == node_name or c.to == node_name:
+				disconnect_node(c.from, c.from_port, c.to, c.to_port)
+		node.queue_free()
+		send_changed_signal()
 
 # Global operations on graph
 
-func update_tab_title():
+func update_tab_title() -> void:
 	if !get_parent().has_method("set_tab_title"):
+		print("no set_tab_title method")
 		return
 	var title = "[unnamed]"
 	if save_path != null:
@@ -80,182 +85,27 @@ func update_tab_title():
 	if get_parent().has_method("set_tab_title"):
 		get_parent().set_tab_title(get_index(), title)
 
-func set_need_save(ns):
+func set_need_save(ns) -> void:
 	if ns != need_save:
 		need_save = ns
 		update_tab_title()
 
-func set_save_path(path):
+func set_save_path(path) -> void:
 	if path != save_path:
 		save_path = path
 		update_tab_title()
 		emit_signal("save_path_changed", self, path)
 
-func clear_material():
+func clear_view() -> void:
 	clear_connections()
 	for c in get_children():
 		if c is GraphNode:
 			remove_child(c)
 			c.free()
-	send_changed_signal()
-
-func new_material():
-	clear_material()
-	create_nodes({name="Material", type="material"})
-	set_save_path(null)
-	center_view()
-
-func get_free_name(type):
-	var i = 0
-	while true:
-		var node_name = type+"_"+str(i)
-		if !has_node(node_name):
-			return node_name
-		i += 1
-
-func create_nodes(data, position = null):
-	if data == null:
-		return
-	if data.has("type"):
-		var node = node_factory.create_node(data.type)
-		if node != null:
-			if data.has("name") && !has_node(data.name):
-				node.name = data.name
-			else:
-				node.name = get_free_name(data.type)
-			add_node(node)
-			node.deserialize(data)
-			if position != null:
-				node.offset += position
-			send_changed_signal()
-			return node
-	else:
-		if typeof(data.nodes) == TYPE_ARRAY and typeof(data.connections) == TYPE_ARRAY:
-			var names = {}
-			for c in data.nodes:
-				var node = create_nodes(c, position)
-				if node != null:
-					names[c.name] = node.name
-					node.selected = true
-			for c in data.connections:
-				connect_node(names[c.from], c.from_port, "Material" if c.to == "Material" else names[c.to], c.to_port)
-	return null
-
-func load_file():
-	var dialog = FileDialog.new()
-	add_child(dialog)
-	dialog.rect_min_size = Vector2(500, 500)
-	dialog.access = FileDialog.ACCESS_FILESYSTEM
-	dialog.mode = FileDialog.MODE_OPEN_FILE
-	dialog.add_filter("*.ptex;Procedural textures file")
-	dialog.connect("file_selected", self, "do_load_file")
-	dialog.popup_centered()
-
-func do_load_file(filename):
-	var file = File.new()
-	if file.open(filename, File.READ) != OK:
-		return
-	var data = parse_json(file.get_as_text())
-	file.close()
-	clear_material()
-	for n in data.nodes:
-		var node = create_nodes(n)
-	for c in data.connections:
-		connect_node(c.from, c.from_port, c.to, c.to_port)
-	set_save_path(filename)
-	set_need_save(false)
-	center_view()
-
-func save_file():
-	if save_path != null:
-		do_save_file(save_path)
-	else:
-		save_file_as()
-	
-func save_file_as():
-	var dialog = FileDialog.new()
-	add_child(dialog)
-	dialog.rect_min_size = Vector2(500, 500)
-	dialog.access = FileDialog.ACCESS_FILESYSTEM
-	dialog.mode = FileDialog.MODE_SAVE_FILE
-	dialog.add_filter("*.ptex;Procedural textures file")
-	dialog.connect("file_selected", self, "do_save_file")
-	dialog.popup_centered()
-
-func do_save_file(filename):
-	var data = { nodes = [] }
-	for c in get_children():
-		if c is GraphNode:
-			data.nodes.append(c.serialize())
-	data.connections = get_connection_list()
-	var file = File.new()
-	if file.open(filename, File.WRITE) == OK:
-		file.store_string(to_json(data))
-		file.close()
-	set_save_path(filename)
-	set_need_save(false)
-
-func export_textures(size = null):
-	if save_path != null:
-		var prefix = save_path.left(save_path.rfind("."))
-		for c in get_children():
-			if c is GraphNode && c.has_method("export_textures"):
-				c.export_textures(prefix, size)
-
-# Cut / copy / paste
-
-func remove_selection():
-	for c in get_children():
-		if c is GraphNode and c.selected && c.name != "Material":
-			remove_node(c)
-
-func serialize_selection():
-	var data = { nodes = [], connections = [] }
-	var nodes = []
-	for c in get_children():
-		if c is GraphNode and c.selected && c.name != "Material":
-			nodes.append(c)
-	if nodes.empty():
-		return null
-	var center = Vector2(0, 0)
-	for n in nodes:
-		center += n.offset+0.5*n.rect_size
-	center /= nodes.size()
-	for n in nodes:
-		var s = n.serialize()
-		var p = n.offset-center
-		s.node_position = { x=p.x, y=p.y }
-		data.nodes.append(s)
-	for c in get_connection_list():
-		var from = get_node(c.from)
-		var to = get_node(c.to)
-		if from != null and from.selected and to != null and to.selected:
-			data.connections.append(c)
-	return data
-
-func can_copy():
-	for c in get_children():
-		if c is GraphNode and c.selected && c.name != "Material":
-			return true
-	return false
-
-func cut():
-	copy()
-	remove_selection()
-
-func copy():
-	OS.clipboard = to_json(serialize_selection())
-
-func paste(pos = Vector2(0, 0)):
-	for c in get_children():
-		if c is GraphNode:
-			c.selected = false
-	var data = parse_json(OS.clipboard)
-	create_nodes(data, scroll_offset+0.5*rect_size)
 
 # Center view
 
-func center_view():
+func center_view() -> void:
 	var center = Vector2(0, 0)
 	var node_count = 0
 	for c in get_children():
@@ -266,23 +116,224 @@ func center_view():
 		center /= node_count
 		scroll_offset = center - 0.5*rect_size
 
+func update_view(g) -> void:
+	if generator != null:
+		generator.disconnect("connections_changed", self, "on_connections_changed")
+	clear_view()
+	generator = g
+	if generator != null:
+		generator.connect("connections_changed", self, "on_connections_changed")
+	update_graph(generator.get_children(), generator.connections)
+	subgraph_ui.visible = generator != top_generator
+	subgraph_ui.get_node("Label").text = generator.label
+	center_view()
+	if generator.get_parent() is MMGenGraph:
+		button_transmits_seed.visible = true
+		button_transmits_seed.pressed = generator.transmits_seed
+	else:
+		button_transmits_seed.visible = false
+
+
+func clear_material() -> void:
+	if top_generator != null:
+		remove_child(top_generator)
+		top_generator.free()
+		top_generator = null
+		generator = null
+	send_changed_signal()
+
+func update_graph(generators, connections) -> Array:
+	var rv = []
+	for g in generators:
+		var node = node_factory.create_node(g.get_type())
+		if node != null:
+			node.name = "node_"+g.name
+			add_node(node)
+			node.generator = g
+		node.offset = g.position
+		rv.push_back(node)
+	for c in connections:
+		.connect_node("node_"+c.from, c.from_port, "node_"+c.to, c.to_port)
+	return rv
+
+func new_material() -> void:
+	clear_material()
+	var loader = MMGenLoader.new()
+	top_generator = loader.create_gen({nodes=[{name="Material", type="material","parameters":{"size":11}}], connections=[]})
+	if top_generator != null:
+		add_child(top_generator)
+		update_view(top_generator)
+		set_save_path(null)
+		set_need_save(false)
+		center_view()
+
+func get_free_name(type):
+	var i = 0
+	while true:
+		var node_name = type+"_"+str(i)
+		if !has_node(node_name):
+			return node_name
+		i += 1
+
+func create_nodes(data, position : Vector2 = Vector2(0, 0)):
+	if data == null:
+		return
+	if data.has("type"):
+		data = { nodes=[data], connections=[] }
+	if typeof(data.nodes) == TYPE_ARRAY and typeof(data.connections) == TYPE_ARRAY:
+		var new_stuff = MMGenLoader.add_to_gen_graph(generator, data.nodes, data.connections)
+		for g in new_stuff.generators:
+			g.position += position
+		return update_graph(new_stuff.generators, new_stuff.connections)
+	return []
+
+func create_gen_from_type(gen_name) -> void:
+	create_nodes({ type=gen_name, parameters={} }, scroll_offset+0.5*rect_size)
+
+func load_file(filename) -> void:
+	clear_material()
+	top_generator = MMGenLoader.load_gen(filename)
+	if top_generator != null:
+		add_child(top_generator)
+		update_view(top_generator)
+		set_save_path(filename)
+		set_need_save(false)
+		center_view()
+
+func save_file(filename) -> void:
+	var data = top_generator.serialize()
+	var file = File.new()
+	if file.open(filename, File.WRITE) == OK:
+		file.store_string(JSON.print(data, "\t", true))
+		file.close()
+	set_save_path(filename)
+	set_need_save(false)
+
+func export_textures() -> void:
+	if save_path != null:
+		var prefix = save_path.left(save_path.rfind("."))
+		for c in get_children():
+			if c is GraphNode:
+				if c.generator.has_method("render_textures"):
+					c.generator.render_textures()
+					if c.generator.has_method("export_textures"):
+						c.generator.export_textures(prefix, editor_interface)
+
+# Cut / copy / paste
+
+func get_selected_nodes() -> Array:
+	var selected_nodes = []
+	for n in get_children():
+		if n is GraphNode and n.selected:
+			selected_nodes.append(n)
+	return selected_nodes
+
+func remove_selection() -> void:
+	for c in get_children():
+		if c is GraphNode and c.selected and c.name != "Material":
+			remove_node(c)
+
+# Maybe move this to gen_graph...
+func serialize_selection() -> Dictionary:
+	var data = { nodes = [], connections = [] }
+	var nodes = []
+	for c in get_children():
+		if c is GraphNode and c.selected and c.name != "Material":
+			nodes.append(c)
+	if nodes.empty():
+		return {}
+	var center = Vector2(0, 0)
+	for n in nodes:
+		center += n.offset+0.5*n.rect_size
+	center /= nodes.size()
+	for n in nodes:
+		var s = n.generator.serialize()
+		var p = n.offset-center
+		s.node_position = { x=p.x, y=p.y }
+		data.nodes.append(s)
+	for c in get_connection_list():
+		var from = get_node(c.from)
+		var to = get_node(c.to)
+		if from != null and from.selected and to != null and to.selected:
+			var connection = c.duplicate(true)
+			connection.from = from.generator.name
+			connection.to = to.generator.name
+			data.connections.append(connection)
+	return data
+
+func can_copy() -> bool:
+	for c in get_children():
+		if c is GraphNode and c.selected and c.name != "Material":
+			return true
+	return false
+
+func cut() -> void:
+	copy()
+	remove_selection()
+
+func copy() -> void:
+	OS.clipboard = to_json(serialize_selection())
+
+func paste(pos = Vector2(0, 0)) -> void:
+	for c in get_children():
+		if c is GraphNode:
+			c.selected = false
+	var data = parse_json(OS.clipboard)
+	var new_nodes = create_nodes(data, scroll_offset+0.5*rect_size)
+	if new_nodes != null:
+		for c in new_nodes:
+			c.selected = true
+
 # Delay after graph update
 
-func send_changed_signal():
+func send_changed_signal() -> void:
 	set_need_save(true)
-	$Timer.start()
+	timer.stop()
+	timer.start(0.2)
 
-func do_send_changed_signal():
+func do_send_changed_signal() -> void:
 	emit_signal("graph_changed")
 
 # Drag and drop
 
-func can_drop_data(position, data):
+func can_drop_data(position, data) -> bool:
 	return typeof(data) == TYPE_DICTIONARY and (data.has('type') or (data.has('nodes') and data.has('connections')))
 
-func drop_data(position, data):
+func drop_data(position, data) -> void:
 	# The following mitigates the SpinBox problem (captures mouse while dragging)
 	if Input.get_mouse_mode() == Input.MOUSE_MODE_CAPTURED:
 		Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
 	create_nodes(data, offset_from_global_position(get_global_transform().xform(position)))
-	return true
+
+func on_ButtonUp_pressed() -> void:
+	if generator != top_generator && generator.get_parent() is MMGenGraph:
+		call_deferred("update_view", generator.get_parent())
+
+func _on_Label_text_changed(new_text) -> void:
+	generator.label = new_text
+
+# Create subgraph
+
+func create_subgraph() -> void:
+	var generators = []
+	for n in get_selected_nodes():
+		generators.push_back(n.generator)
+	generator.create_subgraph(generators)
+	update_view(generator)
+
+func _on_ButtonShowTree_pressed() -> void:
+	var graph_tree : Popup = preload("res://addons/material_maker/widgets/graph_tree/graph_tree.tscn").instance()
+	graph_tree.init("Top", top_generator)
+	add_child(graph_tree)
+	graph_tree.connect("item_double_clicked", self, "edit_subgraph")
+	graph_tree.popup_centered()
+
+func edit_subgraph(g : MMGenGraph) -> void:
+	if !g.is_editable():
+		g.toggle_editable()
+	update_view(g)
+
+
+func _on_ButtonTransmitsSeed_toggled(button_pressed):
+	if button_pressed != generator.transmits_seed:
+		generator.transmits_seed = button_pressed

addons/material_maker/graph_edit.tscn

@@ -1,54 +1,85 @@
-[gd_scene load_steps=4 format=2]
+[gd_scene load_steps=7 format=2]
 
 [ext_resource path="res://addons/material_maker/graph_edit.gd" type="Script" id=1]
-[ext_resource path="res://addons/material_maker/nodes/material/material.tscn" type="PackedScene" id=2]
+[ext_resource path="res://addons/material_maker/icons/icons.svg" type="Texture" id=2]
 
-[sub_resource type="Theme" id=1]
+[sub_resource type="StyleBoxFlat" id=1]
+bg_color = Color( 0.6, 0.6, 0.6, 0 )
 
+[sub_resource type="AtlasTexture" id=2]
+flags = 4
+atlas = ExtResource( 2 )
+region = Rect2( 64, 32, 16, 16 )
 
-[node name="GraphEdit" type="GraphEdit" index="0"]
+[sub_resource type="AtlasTexture" id=3]
+flags = 4
+atlas = ExtResource( 2 )
+region = Rect2( 15.4016, 47.1451, 16.7512, 17.8319 )
 
-self_modulate = Color( 1, 1, 1, 0 )
-anchor_left = 0.0
-anchor_top = 0.0
+[sub_resource type="AtlasTexture" id=4]
+flags = 4
+atlas = ExtResource( 2 )
+region = Rect2( 0, 48, 16, 16 )
+
+[node name="GraphEdit" type="GraphEdit"]
 anchor_right = 1.0
 anchor_bottom = 1.0
-rect_pivot_offset = Vector2( 0, 0 )
-rect_clip_content = true
-focus_mode = 2
-mouse_filter = 0
-mouse_default_cursor_shape = 0
-size_flags_horizontal = 1
-size_flags_vertical = 1
+custom_styles/bg = SubResource( 1 )
 right_disconnects = true
-scroll_offset = Vector2( -458.75, -292.25 )
-snap_distance = 20
 use_snap = false
-zoom = 1.0
 script = ExtResource( 1 )
-_sections_unfolded = [ "Material", "Mouse", "Visibility" ]
 
-[node name="Material" parent="." index="0" instance=ExtResource( 2 )]
-
-margin_left = 658.75
-margin_top = 292.25
-margin_right = 888.75
-margin_bottom = 512.25
-theme = SubResource( 1 )
-offset = Vector2( 200, 0 )
-_sections_unfolded = [ "Anchor", "Margin", "Mouse", "Theme", "slot", "slot/0", "slot/1", "slot/2", "slot/3", "slot/4", "slot/5" ]
-
-[node name="Timer" type="Timer" parent="." index="1"]
-
-process_mode = 1
+[node name="Timer" type="Timer" parent="."]
 wait_time = 0.2
 one_shot = true
-autostart = false
 
+[node name="GraphUI" type="HBoxContainer" parent="."]
+anchor_left = 1.0
+anchor_right = 1.0
+margin_left = -592.0
+margin_right = -16.0
+margin_bottom = 24.0
+alignment = 2
+
+[node name="SubGraphUI" type="HBoxContainer" parent="GraphUI"]
+margin_left = 330.0
+margin_right = 544.0
+margin_bottom = 24.0
+size_flags_horizontal = 9
+
+[node name="Label" type="LineEdit" parent="GraphUI/SubGraphUI"]
+margin_right = 150.0
+margin_bottom = 24.0
+rect_min_size = Vector2( 150, 0 )
+size_flags_horizontal = 9
+
+[node name="ButtonTransmitsSeed" type="Button" parent="GraphUI/SubGraphUI"]
+margin_left = 154.0
+margin_right = 182.0
+margin_bottom = 24.0
+hint_tooltip = "Affect children seeds"
+size_flags_horizontal = 9
+toggle_mode = true
+icon = SubResource( 2 )
+
+[node name="ButtonUp" type="Button" parent="GraphUI/SubGraphUI"]
+margin_left = 186.0
+margin_right = 214.0
+margin_bottom = 24.0
+hint_tooltip = "Back to parent"
+size_flags_horizontal = 9
+icon = SubResource( 3 )
+
+[node name="ButtonShowTree" type="Button" parent="GraphUI"]
+margin_left = 548.0
+margin_right = 576.0
+margin_bottom = 24.0
+hint_tooltip = "Show hierarchy"
+icon = SubResource( 4 )
 [connection signal="connection_request" from="." to="." method="connect_node"]
-
 [connection signal="disconnection_request" from="." to="." method="disconnect_node"]
-
 [connection signal="timeout" from="Timer" to="." method="do_send_changed_signal"]
-
-
+[connection signal="text_changed" from="GraphUI/SubGraphUI/Label" to="." method="_on_Label_text_changed"]
+[connection signal="toggled" from="GraphUI/SubGraphUI/ButtonTransmitsSeed" to="." method="_on_ButtonTransmitsSeed_toggled"]
+[connection signal="pressed" from="GraphUI/SubGraphUI/ButtonUp" to="." method="on_ButtonUp_pressed"]
+[connection signal="pressed" from="GraphUI/ButtonShowTree" to="." method="_on_ButtonShowTree_pressed"]

addons/material_maker/icons/icon.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/icon.png-102e1e6732886eb945051a060861d203.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://addons/material_maker/icons/icon.png"
+dest_files=[ "res://.import/icon.png-102e1e6732886eb945051a060861d203.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

addons/material_maker/icons/icons.svg

@@ -10,12 +10,12 @@
    xmlns:xlink="http://www.w3.org/1999/xlink"
    xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
    xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   width="210mm"
-   height="297mm"
-   viewBox="0 0 210 297"
+   width="128"
+   height="64"
+   viewBox="0 0 128 64"
    version="1.1"
    id="svg8"
-   inkscape:version="0.92.3 (2405546, 2018-03-11)"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)"
    sodipodi:docname="icons.svg">
   <defs
      id="defs2">
@@ -48,20 +48,28 @@
      borderopacity="1.0"
      inkscape:pageopacity="0.0"
      inkscape:pageshadow="2"
-     inkscape:zoom="1.1274425"
-     inkscape:cx="116.41955"
-     inkscape:cy="914.64295"
-     inkscape:document-units="mm"
+     inkscape:zoom="28.608854"
+     inkscape:cx="86.841515"
+     inkscape:cy="21.061007"
+     inkscape:document-units="px"
      inkscape:current-layer="layer1"
      showgrid="true"
      inkscape:window-width="1920"
      inkscape:window-height="1017"
      inkscape:window-x="-8"
      inkscape:window-y="-8"
-     inkscape:window-maximized="1">
+     inkscape:window-maximized="1"
+     inkscape:pagecheckerboard="true"
+     units="px"
+     scale-x="2.1"
+     inkscape:snap-to-guides="false"
+     inkscape:snap-grids="false"
+     inkscape:snap-global="false">
     <inkscape:grid
        type="xygrid"
-       id="grid815" />
+       id="grid815"
+       spacingx="16"
+       spacingy="16" />
   </sodipodi:namedview>
   <metadata
      id="metadata5">
@@ -78,18 +86,11 @@
   <g
      inkscape:label="Calque 1"
      inkscape:groupmode="layer"
-     id="layer1">
-    <rect
-       style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
-       id="rect4533"
-       width="238.125"
-       height="174.625"
-       x="-10.583333"
-       y="-3.3020833"
-       ry="0.82414269" />
+     id="layer1"
+     transform="translate(0,-280.06665)">
     <g
        id="g4582"
-       transform="matrix(1.2003144,0.26398218,-0.26389538,1.2007092,-4.1100858,-17.15364)"
+       transform="matrix(0.61648821,0.13623838,-0.13553815,0.6196732,31.995696,300.23749)"
        inkscape:export-filename="link.png"
        inkscape:export-xdpi="15.926786"
        inkscape:export-ydpi="15.926786">
@@ -109,7 +110,7 @@
        inkscape:export-xdpi="16.531826"
        inkscape:export-filename="remove.png"
        id="g4564"
-       transform="matrix(0.82426401,0.81188676,-0.82426401,0.81188676,84.358228,-6.2929802)"
+       transform="matrix(0.43370177,0.42718925,-0.43370177,0.42718925,43.791013,273.09803)"
        style="fill:#ff0909;fill-opacity:1">
       <rect
          style="opacity:1;fill:#ff0909;fill-opacity:1;stroke:none;stroke-width:1;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
@@ -133,7 +134,7 @@
        inkscape:export-filename="config.png"
        inkscape:export-xdpi="16.559999"
        inkscape:export-ydpi="16.559999"
-       transform="matrix(1.0254261,0,0,1.0022479,-9.1237225,-33.22013)">
+       transform="matrix(0.52573689,0,0,0.513409,30.847756,292.09585)">
       <path
          inkscape:connector-curvature="0"
          id="path4598"
@@ -142,7 +143,7 @@
     </g>
     <g
        id="g855"
-       transform="matrix(0.48976049,-0.48711566,0.48711566,0.48976049,-26.645494,39.257287)"
+       transform="matrix(0.25769655,-0.25630492,0.25630492,0.25769655,4.0104312,296.39647)"
        inkscape:export-filename="edit.png"
        inkscape:export-xdpi="14.942099"
        inkscape:export-ydpi="14.942099">
@@ -185,17 +186,20 @@
        id="g879"
        inkscape:export-filename="save.png"
        inkscape:export-xdpi="14"
-       inkscape:export-ydpi="14">
+       inkscape:export-ydpi="14"
+       transform="matrix(0.52616852,0,0,0.52616852,14.395212,275.18126)">
       <path
          id="rect859"
          transform="scale(0.26458333)"
-         d="M 130 152.51953 L 130 262.51953 L 240 262.51953 L 240 163.23047 L 229.28906 152.51953 L 130 152.51953 z "
-         style="opacity:1;fill:#14008d;fill-opacity:1;stroke:none;stroke-width:3.77952766;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke" />
+         d="m 130,152.51953 v 110 h 110 v -99.28906 l -10.71094,-10.71094 z"
+         style="opacity:1;fill:#14008d;fill-opacity:1;stroke:none;stroke-width:3.77952766;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
+         inkscape:connector-curvature="0" />
       <path
          id="rect861"
          transform="scale(0.26458333)"
-         d="M 155 152.51953 L 155 192.51953 L 215 192.51953 L 215 152.51953 L 155 152.51953 z M 195 162.51953 L 205 162.51953 L 205 182.51953 L 195 182.51953 L 195 162.51953 z "
-         style="opacity:1;fill:#afafaf;fill-opacity:1;stroke:none;stroke-width:4.04048538;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke" />
+         d="m 155,152.51953 v 40 h 60 v -40 z m 40,10 h 10 v 20 h -10 z"
+         style="opacity:1;fill:#afafaf;fill-opacity:1;stroke:none;stroke-width:4.04048538;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
+         inkscape:connector-curvature="0" />
       <rect
          ry="2.6458347"
          y="53.583332"
@@ -207,34 +211,23 @@
     </g>
     <g
        style="fill:#18ff09;fill-opacity:1"
-       transform="matrix(0.00708854,0.93703452,-0.93703452,-0.00708854,131.56263,7.7603075)"
+       transform="matrix(0.00372977,0.49303806,-0.49303806,-0.00372977,83.199877,280.80247)"
        id="g849"
        inkscape:export-filename="plus.png"
        inkscape:export-xdpi="16.531826"
        inkscape:export-ydpi="16.531826">
-      <rect
-         ry="0"
-         y="8.604167"
-         x="10.583333"
-         height="26.458334"
-         width="5.2916665"
+      <path
+         style="opacity:1;fill:#18ff09;fill-opacity:1;stroke:none;stroke-width:1;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
+         d="m 1.7704433,57.914123 10.5809277,8.16e-4 8.46e-4,10.584889 5.292445,4.22e-4 -8.47e-4,-10.58489 10.58489,8.46e-4 -4.24e-4,-5.292444 -10.580925,-8.16e-4 -8.47e-4,-10.58489 -5.292414,0.0035 8.14e-4,10.580928 -10.5848882,-8.47e-4 z"
          id="rect844"
-         style="opacity:1;fill:#18ff09;fill-opacity:1;stroke:none;stroke-width:1;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke" />
-      <rect
-         ry="0"
-         y="19.1875"
-         x="0"
-         height="5.2916665"
-         width="26.458332"
-         id="rect847"
-         style="opacity:1;fill:#18ff09;fill-opacity:1;stroke:none;stroke-width:1;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke" />
+         inkscape:connector-curvature="0" />
     </g>
     <g
        inkscape:export-ydpi="16.531826"
        inkscape:export-xdpi="16.531826"
        inkscape:export-filename="minus.png"
        id="g856"
-       transform="matrix(0.00708854,0.93703452,-0.93703452,-0.00708854,162.38808,7.2064523)"
+       transform="matrix(0.00372977,0.49303806,-0.49303806,-0.00372977,18.535206,297.77843)"
        style="fill:#ff0909;fill-opacity:1">
       <rect
          style="opacity:1;fill:#ff0909;fill-opacity:1;stroke:none;stroke-width:1;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
@@ -249,17 +242,20 @@
        id="g868"
        inkscape:export-filename="load.png"
        inkscape:export-xdpi="13.499794"
-       inkscape:export-ydpi="13.499794">
+       inkscape:export-ydpi="13.499794"
+       transform="matrix(0.51223521,0,0,0.51223521,5.2214853,275.80647)">
       <path
          id="rect849"
          transform="scale(0.26458333)"
-         d="M 330 152.51953 L 330 262.51953 L 420 262.51953 L 420 169.94531 L 402.57227 152.51953 L 330 152.51953 z "
-         style="opacity:1;fill:#ffed46;fill-opacity:1;stroke:#c7b115;stroke-width:3.77952761;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke;stroke-linejoin:round" />
+         d="m 330,152.51953 v 110 h 90 v -92.57422 l -17.42773,-17.42578 z"
+         style="opacity:1;fill:#ffed46;fill-opacity:1;stroke:#c7b115;stroke-width:3.77952766;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
+         inkscape:connector-curvature="0" />
       <path
          id="path855"
          transform="scale(0.26458333)"
-         d="M 403 152.94727 L 403 169.51953 L 419.57422 169.51953 L 403 152.94727 z "
-         style="opacity:1;fill:#ffed46;fill-opacity:1;stroke:#c7b115;stroke-width:3.77952761;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke;stroke-linejoin:round" />
+         d="m 403,152.94727 v 16.57226 h 16.57422 z"
+         style="opacity:1;fill:#ffed46;fill-opacity:1;stroke:#c7b115;stroke-width:3.77952766;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
+         inkscape:connector-curvature="0" />
       <rect
          transform="rotate(-90)"
          ry="2.5431327e-006"
@@ -270,5 +266,189 @@
          id="rect863"
          style="opacity:0;fill:#ffed46;fill-opacity:1;stroke:#c7b115;stroke-width:1;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke" />
     </g>
+    <path
+       style="opacity:1;fill:none;fill-opacity:1;stroke:#ffffff;stroke-width:1.96038949;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
+       d="m 14.281124,319.9133 c -3.380125,5.56722 -9.3711249,5.74887 -12.9027613,0 2.6589695,-5.76337 10.0526323,-5.46131 12.9027613,0 z"
+       id="path5159"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="ccc" />
+    <ellipse
+       style="opacity:1;fill:none;fill-opacity:1;stroke:#ffffff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
+       id="path5162"
+       cx="7.8297439"
+       cy="319.77344"
+       rx="1.0486264"
+       ry="0.87385535" />
+    <path
+       sodipodi:nodetypes="cc"
+       inkscape:connector-curvature="0"
+       id="path5166"
+       d="m 30.429971,319.84339 c -3.380125,5.56722 -9.371125,5.74887 -12.902762,0"
+       style="opacity:1;fill:none;fill-opacity:1;stroke:#ffffff;stroke-width:1.96038949;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke" />
+    <path
+       style="opacity:1;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
+       d="m 33.869141,312.36502 v 1.50195 h -1.501953 v 1.5957 h 1.501953 v 1.50196 h 1.595703 v -1.50196 h 1.501953 v -1.5957 h -1.501953 v -1.50195 z"
+       id="rect860"
+       inkscape:connector-curvature="0" />
+    <path
+       inkscape:connector-curvature="0"
+       id="path865"
+       d="m 49.948079,312.36502 v 1.50195 h -1.501953 v 1.5957 h 1.501953 v 1.50196 h 1.595703 v -1.50196 h 1.501953 v -1.5957 h -1.501953 v -1.50195 z"
+       style="opacity:1;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke" />
+    <g
+       id="g4582-9"
+       transform="matrix(0.61648821,0.13623838,-0.13553815,0.6196732,0.09092866,268.4386)"
+       inkscape:export-filename="link.png"
+       inkscape:export-xdpi="15.926786"
+       inkscape:export-ydpi="15.926786">
+      <path
+         id="path4540-9"
+         d="m 52.110175,11.249997 c -2.182497,-2.09336 -5.682294,-2.0795701 -7.847077,0.03092 l -5.999358,5.848887 c -1.693669,1.651191 -2.053303,4.081962 -1.084529,6.064327 l 2.668997,-2.602056 c 0.06832,-0.475315 0.288771,-0.934614 0.666689,-1.303055 l 5.999358,-5.848887 c 0.927764,-0.904495 2.427677,-0.910404 3.363033,-0.01325 0.935356,0.897155 0.941467,2.347581 0.0137,3.252076 l -5.999358,5.848886 c -0.305037,0.297386 -0.672368,0.495758 -1.060703,0.598709 l -2.79438,2.724294 c 2.027594,0.834538 4.455047,0.445994 6.106241,-1.163787 l 5.999357,-5.848886 C 54.306929,16.727686 54.292669,13.34336 52.110175,11.25 Z"
+         style="opacity:1;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:0.5892244;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
+         inkscape:connector-curvature="0" />
+      <path
+         id="path4542-4"
+         d="m 47.703334,18.314275 c -2.043073,-0.877257 -4.511855,-0.499459 -6.184325,1.131064 l -5.999358,5.848887 c -2.164785,2.11049 -2.150524,5.494815 0.03197,7.588174 2.182497,2.09336 5.682293,2.079573 7.847078,-0.03092 l 5.999358,-5.848887 c 1.67245,-1.630503 2.042985,-4.020862 1.11922,-5.989301 l -2.724165,2.655841 c -0.08761,0.429031 -0.302522,0.839174 -0.646213,1.174244 l -5.999357,5.848887 c -0.927764,0.904494 -2.427678,0.910405 -3.363034,0.01325 -0.935356,-0.897154 -0.941466,-2.34758 -0.0137,-3.252075 l 5.999358,-5.848887 c 0.343694,-0.335073 0.766059,-0.54623 1.209002,-0.634439 z"
+         style="opacity:1;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:0.5892244;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
+         inkscape:connector-curvature="0" />
+    </g>
+    <g
+       id="g4645-4"
+       inkscape:export-filename="config.png"
+       inkscape:export-xdpi="16.559999"
+       inkscape:export-ydpi="16.559999"
+       transform="matrix(0.52573689,0,0,0.513409,-1.7560956,259.17843)">
+      <path
+         inkscape:connector-curvature="0"
+         id="path4598-6"
+         d="m 23.783078,44.110649 -4.508983,4.648736 -3.980261,-5.27284 a 12.770835,12.770835 0 0 0 -2.631282,1.045173 l 0.825522,6.441784 -6.571368,-0.17469 a 12.770835,12.770835 0 0 0 -0.7896172,2.557631 12.770835,12.770835 0 0 0 -0.027504,0.173796 l 5.5120272,3.347264 -4.1861363,4.972095 a 12.770835,12.770835 0 0 0 1.6563998,2.37002 l 5.9760855,-2.194035 1.267643,6.324612 a 12.770835,12.770835 0 0 0 2.907828,0.192046 l 1.997862,-6.001057 5.727797,2.948399 a 12.770835,12.770835 0 0 0 1.98019,-2.135962 l -3.455675,-5.317616 5.926699,-2.662342 a 12.770835,12.770835 0 0 0 -0.414249,-2.850168 l -6.383635,-0.620945 1.631047,-6.361785 a 12.770835,12.770835 0 0 0 -2.46039,-1.430116 z m -4.472442,8.529047 a 3.1927084,3.1927084 0 0 1 2.523332,3.744269 3.1927084,3.1927084 0 0 1 -3.744267,2.523336 3.1927084,3.1927084 0 0 1 -2.523335,-3.744269 3.1927084,3.1927084 0 0 1 3.74427,-2.523336 z"
+         style="opacity:1;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:0.80446196;stroke-linecap:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke" />
+    </g>
+    <path
+       style="fill:none;fill-rule:evenodd;stroke:#ffffff;stroke-width:2;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       d="m 2.9383367,329.45579 0.1398168,13.14278"
+       id="path1469"
+       inkscape:connector-curvature="0" />
+    <path
+       style="fill:none;fill-rule:evenodd;stroke:#ffffff;stroke-width:2;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       d="m 3.5097233,333.01844 4.9679886,-0.0742"
+       id="path1471"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
+    <path
+       style="fill:none;fill-rule:evenodd;stroke:#ffffff;stroke-width:2;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       d="m 7.4643412,333.1173 0.024716,3.95462 7.1924608,-0.0247 v 0"
+       id="path1473"
+       inkscape:connector-curvature="0" />
+    <path
+       style="fill:none;fill-rule:evenodd;stroke:#ffffff;stroke-width:2;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       d="m 7.4890575,337.83813 -0.024716,3.68273 h 5.8083445"
+       id="path1475"
+       inkscape:connector-curvature="0" />
+    <path
+       style="fill:#ffffff;fill-opacity:0.84322037;fill-rule:evenodd;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+       d="m 17.351562,55.695312 4.34961,0.04883 0.123047,6.822265 h 4.27539 l 0.125,-6.822265 4.34961,-0.04883 -6.611328,-6.845703 z"
+       transform="translate(0,280.06665)"
+       id="path1477"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cccccccc" />
+    <path
+       sodipodi:nodetypes="cccccccc"
+       inkscape:connector-curvature="0"
+       id="path4561"
+       d="m 33.500409,335.78733 4.34961,-0.0488 0.123047,-6.82227 h 4.27539 l 0.125,6.82227 4.34961,0.0488 -6.611328,6.8457 z"
+       style="fill:#ffffff;fill-opacity:0.84322037;fill-rule:evenodd;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1" />
+    <path
+       style="fill:none;fill-rule:evenodd;stroke:#ffffff;stroke-width:3.77952766;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       d="m 67.601449,292.54414 5.38295,-1e-5"
+       id="path4570"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
+    <path
+       style="fill:none;fill-rule:evenodd;stroke:#ffffff;stroke-width:3.77952766;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       d="m 73.823299,283.52594 9.857089,-0.0699"
+       id="path4572"
+       inkscape:connector-curvature="0" />
+    <path
+       style="fill:none;fill-rule:evenodd;stroke:#ffffff;stroke-width:3.77952766;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       d="m 85.288282,289.32835 7.55011,-0.0699"
+       id="path4574"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cc" />
+    <path
+       style="fill:none;fill-rule:evenodd;stroke:#f6f6f6;stroke-width:3.77952766;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       d="m 98.850517,292.96359 8.668643,-9.57745 9.36773,9.92699 8.24919,-6.78111"
+       id="path4576"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="cccc" />
+    <path
+       style="fill:none;fill-rule:evenodd;stroke:#f6f6f6;stroke-width:3.77952766;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       d="m 67.110738,309.04251 c 3.472118,0.55927 4.555698,-9.96194 8.319101,-9.85708 3.763403,0.10486 4.678964,9.98562 9.36773,9.92699 4.552323,-0.0569 5.040651,-6.78111 8.24919,-6.78111"
+       id="path4576-7"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="czsc" />
+    <path
+       style="fill:none;fill-rule:evenodd;stroke:#f6f6f6;stroke-width:3.77952766;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       d="m 99.268615,309.04251 c 0,0 4.241035,-9.53142 8.668645,-9.57745 4.42761,-0.046 4.9669,9.84949 9.36773,9.92699 3.55898,0.0627 8.24919,-6.78111 8.24919,-6.78111"
+       id="path4576-0"
+       inkscape:connector-curvature="0"
+       sodipodi:nodetypes="czsc" />
+    <g
+       id="g892">
+      <rect
+         y="313.76132"
+         x="65.504196"
+         height="13.002968"
+         width="13.002968"
+         id="rect873"
+         style="opacity:1;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:18.89763832;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+      <path
+         inkscape:connector-curvature="0"
+         id="path877"
+         d="m 68.300602,315.40441 a 1.1185348,1.1185348 0 0 0 -1.11914,1.11719 1.1185348,1.1185348 0 0 0 1.11914,1.11914 1.1185348,1.1185348 0 0 0 1.119141,-1.11914 1.1185348,1.1185348 0 0 0 -1.119141,-1.11719 z m 7.480469,0 a 1.1185348,1.1185348 0 0 0 -1.11914,1.11719 1.1185348,1.1185348 0 0 0 1.11914,1.11914 1.1185348,1.1185348 0 0 0 1.119141,-1.11914 1.1185348,1.1185348 0 0 0 -1.119141,-1.11719 z m -7.550781,7.48047 a 1.1185348,1.1185348 0 0 0 -1.119141,1.11914 1.1185348,1.1185348 0 0 0 1.119141,1.11719 1.1185348,1.1185348 0 0 0 1.119141,-1.11719 1.1185348,1.1185348 0 0 0 -1.119141,-1.11914 z m 7.480469,0 a 1.1185348,1.1185348 0 0 0 -1.119141,1.11914 1.1185348,1.1185348 0 0 0 1.119141,1.11719 1.1185348,1.1185348 0 0 0 1.11914,-1.11719 1.1185348,1.1185348 0 0 0 -1.11914,-1.11914 z"
+         style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:30.23622131;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+      <path
+         sodipodi:nodetypes="ccccc"
+         inkscape:connector-curvature="0"
+         style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:30.23622131;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+         d="m 72.00568,319.14464 c -0.61746,-3.3e-4 -1.118397,0.49973 -1.11914,1.11719 -3.35e-4,0.61822 0.500918,1.11948 1.11914,1.11914 0.618223,3.4e-4 1.119476,-0.50092 1.119141,-1.11914 -7.43e-4,-0.61746 -0.50168,-1.11752 -1.119141,-1.11719 z"
+         id="path887" />
+    </g>
+    <g
+       id="g900"
+       transform="translate(16.00903,-0.03495421)">
+      <rect
+         style="opacity:1;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:18.89763832;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+         id="rect894"
+         width="13.002968"
+         height="13.002968"
+         x="65.504196"
+         y="313.76132" />
+      <path
+         style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:30.23622131;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+         d="m 68.300602,315.40441 a 1.1185348,1.1185348 0 0 0 -1.11914,1.11719 1.1185348,1.1185348 0 0 0 1.11914,1.11914 1.1185348,1.1185348 0 0 0 1.119141,-1.11914 1.1185348,1.1185348 0 0 0 -1.119141,-1.11719 z m 7.480469,0 a 1.1185348,1.1185348 0 0 0 -1.11914,1.11719 1.1185348,1.1185348 0 0 0 1.11914,1.11914 1.1185348,1.1185348 0 0 0 1.119141,-1.11914 1.1185348,1.1185348 0 0 0 -1.119141,-1.11719 z m -7.550781,7.48047 a 1.1185348,1.1185348 0 0 0 -1.119141,1.11914 1.1185348,1.1185348 0 0 0 1.119141,1.11719 1.1185348,1.1185348 0 0 0 1.119141,-1.11719 1.1185348,1.1185348 0 0 0 -1.119141,-1.11914 z m 7.480469,0 a 1.1185348,1.1185348 0 0 0 -1.119141,1.11914 1.1185348,1.1185348 0 0 0 1.119141,1.11719 1.1185348,1.1185348 0 0 0 1.11914,-1.11719 1.1185348,1.1185348 0 0 0 -1.11914,-1.11914 z"
+         id="path896"
+         inkscape:connector-curvature="0" />
+      <path
+         id="path898"
+         d="m 72.00568,319.14464 c -0.61746,-3.3e-4 -1.118397,0.49973 -1.11914,1.11719 -3.35e-4,0.61822 0.500918,1.11948 1.11914,1.11914 0.618223,3.4e-4 1.119476,-0.50092 1.119141,-1.11914 -7.43e-4,-0.61746 -0.50168,-1.11752 -1.119141,-1.11719 z"
+         style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:30.23622131;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+         inkscape:connector-curvature="0"
+         sodipodi:nodetypes="ccccc" />
+    </g>
+    <circle
+       style="opacity:1;fill:none;fill-opacity:1;stroke:#ff0606;stroke-width:2.00201297;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="path902"
+       cx="88.014717"
+       cy="320.29779"
+       r="6.1100225" />
+    <rect
+       style="opacity:1;fill:none;fill-opacity:1;stroke:#ff0606;stroke-width:2.26771665;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       id="rect904"
+       width="10.905715"
+       height="0.2446795"
+       x="-73.237968"
+       y="324.99719"
+       transform="rotate(-27.138711)" />
   </g>
 </svg>

addons/material_maker/icons/icons.svg.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/icons.svg-d2e3029ae68e242c75d7182ab1a1b6f4.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://addons/material_maker/icons/icons.svg"
+dest_files=[ "res://.import/icons.svg-d2e3029ae68e242c75d7182ab1a1b6f4.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

addons/material_maker/icons/link.tres

@@ -0,0 +1,8 @@
+[gd_resource type="AtlasTexture" load_steps=2 format=2]
+
+[ext_resource path="res://addons/material_maker/icons/icons.svg" type="Texture" id=1]
+
+[resource]
+flags = 4
+atlas = ExtResource( 1 )
+region = Rect2( 16, 0, 16, 15 )