Added support for inputs in generic node and rewrote AdjustHSV as generic.

addons/material_maker/nodes/adjust_hsv.mmn

@@ -0,0 +1 @@
+{"global":"vec3 rgb_to_hsv(vec3 c) {\n\tvec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);\n\tvec4 p = c.g < c.b ? vec4(c.bg, K.wz) : vec4(c.gb, K.xy);\n\tvec4 q = c.r < p.x ? vec4(p.xyw, c.r) : vec4(c.r, p.yzx);\n\n\tfloat d = q.x - min(q.w, q.y);\n\tfloat e = 1.0e-10;\n\treturn vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);\n}\n\nvec3 hsv_to_rgb(vec3 c) {\n\tvec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);\n\tvec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);\n\treturn c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);\n}\n","inputs":[{"default":"vec3(1.0)","label":"","name":"in","type":"rgb"}],"instance":"vec3 $(name)_f(vec3 c) {\n\tvec3 hsv = rgb_to_hsv(c);\n\treturn hsv_to_rgb(vec3(fract(hsv.x+$(hue)), clamp(hsv.y*$(saturation), 0.0, 1.0), clamp(hsv.z*$(value), 0.0, 1.0)));\n}","name":"AdjustHSV","outputs":[{"rgb":"$(name)_f($in($(uv)))"}],"parameters":[{"default":0,"label":"Hue","max":0.5,"min":-0.5,"name":"hue","step":0,"type":"float"},{"default":1,"label":"Saturation","max":2,"min":0,"name":"saturation","step":0,"type":"float"},{"default":1,"label":"Value","max":2,"min":0,"name":"value","step":0,"type":"float"}]}

addons/material_maker/nodes/node_generic.gd

@@ -77,7 +77,7 @@ func update_node(data):
 					control.selected = 0 if !p.has("default") else p.default-p.first
 			elif p.type == "enum":
 				control = OptionButton.new()
-				for i in p.values.size():
+				for i in range(p.values.size()):
 					var value = p.values[i]
 					control.add_item(value.name)
 					control.selected = 0 if !p.has("default") else p.default
@@ -105,8 +105,25 @@ func update_node(data):
 		initialize_properties(control_list)
 	else:
 		model_data.parameters = []
+	if model_data.has("inputs") and typeof(model_data.inputs) == TYPE_ARRAY:
+		for i in range(model_data.inputs.size()):
+			var input = model_data.inputs[i]
+			var enable_left = false
+			var color_left = Color(0.5, 0.5, 0.5)
+			if typeof(input) == TYPE_DICTIONARY:
+				if input.type == "rgb":
+					enable_left = true
+					color_left = Color(0.5, 0.5, 1.0)
+				elif input.type == "rgba":
+					enable_left = true
+					color_left = Color(0.0, 0.5, 0.0, 0.5)
+				else:
+					enable_left = true
+			set_slot(i, enable_left, 0, color_left, false, 0, Color())
+	else:
+		model_data.inputs = []
 	if model_data.has("outputs") and typeof(model_data.outputs) == TYPE_ARRAY:
-		for i in model_data.outputs.size():
+		for i in range(model_data.outputs.size()):
 			var output = model_data.outputs[i]
 			var enable_right = false
 			var color_right = Color(0.5, 0.5, 0.5)
@@ -119,16 +136,54 @@ func update_node(data):
 					color_right = Color(0.0, 0.5, 0.0, 0.5)
 				elif output.has("f"):
 					enable_right = true
-			set_slot(i, false, 0, color_right, enable_right, 0, color_right)
+			set_slot(i, is_slot_enabled_left(i), get_slot_type_left(i), get_slot_color_left(i), enable_right, 0, color_right)
 	else:
 		model_data.outputs = []
 	if custom_node_buttons != null:
 		move_child(custom_node_buttons, get_child_count()-1)
 
-func subst(string, uv = ""):
-	string = string.replace("$(name)", name)
-	string = string.replace("$(seed)", str(get_seed()))
-	string = string.replace("$(uv)", uv)
+func replace_input(string, input, type, src, context = null):
+	var required_defs = ""
+	var required_code = ""
+	var keyword = "$%s(" % input
+	while true:
+		var position = string.find(keyword)
+		if position == -1:
+			break
+		var parenthesis_level = 0
+		var parameter_begin = position+keyword.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:
+					parameter_end = i
+					break
+				else:
+					parenthesis_level -= 1
+		if parameter_end != -1:
+			var uv = string.substr(parameter_begin, parameter_end-parameter_begin)
+			var src_code = src.get_shader_code(uv)
+			required_defs += src_code.defs
+			required_code += src_code.code
+			string = string.replace(string.substr(position, parameter_end-position+1), src_code[type])
+		else:
+			print("syntax error")
+			break
+	return { string=string, defs=required_defs, code=required_code }
+
+func replace_variable(string, variable, value):
+	string = string.replace("$(%s)" % variable, value)
+	return string
+
+func subst(string, uv = "", context = null):
+	var required_defs = ""
+	var required_code = ""
+	string = replace_variable(string, "name", name)
+	string = replace_variable(string, "seed", str(get_seed()))
+	if uv != "":
+		string = replace_variable(string, "uv", uv)
 	if model_data.has("parameters") and typeof(model_data.parameters) == TYPE_ARRAY:
 		for p in model_data.parameters:
 			if !p.has("name") or !p.has("type"):
@@ -144,32 +199,41 @@ func subst(string, uv = ""):
 			elif p.type == "color":
 				value_string = "vec4(%.9f, %.9f, %.9f, %.9f)" % [ value.r, value.g, value.b, value.a ]
 			if value_string != null:
-				string = string.replace("$(%s)" % p.name, value_string)
-	return string
+				string = replace_variable(string, p.name, value_string)
+	if model_data.has("inputs") and typeof(model_data.inputs) == TYPE_ARRAY:
+		for i in range(model_data.inputs.size()):
+			var input = model_data.inputs[i]
+			var source = get_source(i)
+			if source == null:
+				string = replace_variable(string, input.name, input.default)
+			else:
+				var result = replace_input(string, input.name, input.type, source, context)
+				string = result.string
+				required_defs += result.defs
+				required_code += result.code
+	return { string=string, defs=required_defs, code=required_code }
 
 func _get_shader_code(uv, slot = 0):
+	var output_info = [ { field="rgba", type="vec4" }, { field="rgb", type="vec3" }, { field="f", type="float" } ]
 	var rv = { defs="", code="" }
 	var variant_string = uv+","+str(slot)
 	if model_data != null and model_data.has("outputs") and model_data.outputs.size() > slot:
 		var output = model_data.outputs[slot]
 		if model_data.has("instance") && generated_variants.empty():
-			rv.defs = subst(model_data.instance)
+			rv.defs = subst(model_data.instance).string
 		var variant_index = generated_variants.find(variant_string)
 		if variant_index == -1:
 			variant_index = generated_variants.size()
 			generated_variants.append(variant_string)
-			if output.has("rgba"):
-				rv.code += "vec4 %s_%d_%d_rgba = %s;\n" % [ name, slot, variant_index, subst(output.rgba, uv) ]
-			if output.has("rgb"):
-				rv.code += "vec3 %s_%d_%d_rgb = %s;\n" % [ name, slot, variant_index, subst(output.rgb, uv) ]
-			if output.has("f"):
-				rv.code += "float %s_%d_%d_f = %s;\n" % [ name, slot, variant_index, subst(output.f, uv) ]
-		if output.has("rgba"):
-			rv.rgba = "%s_%d_%d_rgba" % [ name, slot, variant_index ]
-		if output.has("rgb"):
-			rv.rgb = "%s_%d_%d_rgb" % [ name, slot, variant_index ]
-		if output.has("f"):
-			rv.f = "%s_%d_%d_f" % [ name, slot, variant_index ]
+			for t in output_info:
+				if output.has(t.field):
+					var subst_output = subst(output[t.field], uv, rv)
+					rv.defs += subst_output.defs
+					rv.code += subst_output.code
+					rv.code += "%s %s_%d_%d_%s = %s;\n" % [ t.type, name, slot, variant_index, t.field, subst_output.string ]
+		for t in output_info:
+			if output.has(t.field):
+				rv[t.field] = "%s_%d_%d_%s" % [ name, slot, variant_index, t.field ]
 	return rv
 
 func get_globals():

addons/material_maker/widgets/node_editor/input.gd

@@ -4,5 +4,26 @@ extends HBoxContainer
 func _ready():
 	pass
 
+func set_model_data(data):
+	$Name.text = data.name
+	$Label.text = data.label
+	if data.type == "rgb":
+		$Type.selected = 1
+	elif data.type == "rgba":
+		$Type.selected = 2
+	else:
+		$Type.selected = 0
+	$Default.text = data.default
+
+func get_model_data():
+	var data = { name=$Name.text, label=$Label.text, default=$Default.text }
+	if $Type.selected == 1:
+		data.type = "rgb"
+	elif $Type.selected == 2:
+		data.type = "rgba"
+	else:
+		data.type = "f"
+	return data
+
 func _on_Delete_pressed():
 	queue_free()

addons/material_maker/widgets/node_editor/input.tscn

@@ -3,7 +3,7 @@
 [ext_resource path="res://addons/material_maker/widgets/node_editor/input.gd" type="Script" id=1]
 [ext_resource path="res://addons/material_maker/icons/minus.png" type="Texture" id=2]
 
-[node name="Parameter" type="HBoxContainer"]
+[node name="Parameter" type="HBoxContainer" index="0"]
 
 anchor_left = 0.0
 anchor_top = 0.0
@@ -123,7 +123,7 @@ group = null
 text = "GreyScale"
 flat = false
 align = 0
-items = [ "GreyScale", null, false, 0, null, "Color", null, false, 1, null ]
+items = [ "GreyScale", null, false, 0, null, "Color", null, false, 1, null, "RGBA", null, false, -1, null ]
 selected = 0
 _sections_unfolded = [ "Focus", "Hint", "Rect" ]
 

addons/material_maker/widgets/node_editor/node_editor.gd

@@ -21,9 +21,12 @@ func set_model_data(data):
 	if data.has("parameters"):
 		for p in data.parameters:
 			add_item($Sizer/Tabs/General/Parameters/Sizer, ParameterEditor).set_model_data(p)
+	if data.has("inputs"):
+		for i in data.inputs:
+			add_item($Sizer/Tabs/General/Inputs/Sizer, InputEditor).set_model_data(i)
 	if data.has("outputs"):
 		for o in data.outputs:
-			add_item($Sizer/Tabs/General/Outputs/Sizer, OutputEditor).set_model_data(o)
+			add_item($Sizer/Tabs/Outputs/Outputs/Sizer, OutputEditor).set_model_data(o)
 	if data.has("global"):
 		$Sizer/Tabs/Global.text = data.global
 	if data.has("instance"):
@@ -39,8 +42,12 @@ func get_model_data():
 	for p in $Sizer/Tabs/General/Parameters/Sizer.get_children():
 		if p.has_method("get_model_data"):
 			data.parameters.append(p.get_model_data())
+	data.inputs = []
+	for i in $Sizer/Tabs/General/Inputs/Sizer.get_children():
+		if i.has_method("get_model_data"):
+			data.inputs.append(i.get_model_data())
 	data.outputs = []
-	for o in $Sizer/Tabs/General/Outputs/Sizer.get_children():
+	for o in $Sizer/Tabs/Outputs/Outputs/Sizer.get_children():
 		if o.has_method("get_model_data"):
 			data.outputs.append(o.get_model_data())
 	return data
@@ -52,7 +59,7 @@ func _on_AddInput_pressed():
 	add_item($Sizer/Tabs/General/Inputs/Sizer, InputEditor)
 
 func _on_AddOutput_pressed():
-	add_item($Sizer/Tabs/General/Outputs/Sizer, OutputEditor)
+	add_item($Sizer/Tabs/Outputs/Outputs/Sizer, OutputEditor)
 
 func _on_OK_pressed():
 	emit_signal("node_changed", get_model_data())

addons/material_maker/widgets/node_editor/node_editor.tscn

@@ -222,14 +222,13 @@ _sections_unfolded = [ "Size Flags" ]
 
 [node name="LabelInputs" type="Label" parent="Sizer/Tabs/General" index="3"]
 
-visible = false
 anchor_left = 0.0
 anchor_top = 0.0
 anchor_right = 0.0
 anchor_bottom = 0.0
-margin_top = 176.0
-margin_right = 718.0
-margin_bottom = 190.0
+margin_top = 185.0
+margin_right = 825.0
+margin_bottom = 199.0
 rect_pivot_offset = Vector2( 0, 0 )
 rect_clip_content = false
 mouse_filter = 2
@@ -244,14 +243,13 @@ _sections_unfolded = [ "Size Flags" ]
 
 [node name="Inputs" type="ScrollContainer" parent="Sizer/Tabs/General" index="4"]
 
-visible = false
 anchor_left = 0.0
 anchor_top = 0.0
 anchor_right = 0.0
 anchor_bottom = 0.0
-margin_top = 139.0
-margin_right = 718.0
-margin_bottom = 228.0
+margin_top = 203.0
+margin_right = 825.0
+margin_bottom = 338.0
 rect_pivot_offset = Vector2( 0, 0 )
 rect_clip_content = true
 mouse_filter = 0
@@ -271,7 +269,7 @@ anchor_left = 0.0
 anchor_top = 0.0
 anchor_right = 0.0
 anchor_bottom = 0.0
-margin_right = 718.0
+margin_right = 825.0
 margin_bottom = 22.0
 rect_pivot_offset = Vector2( 0, 0 )
 rect_clip_content = false
@@ -306,15 +304,33 @@ flat = true
 align = 1
 _sections_unfolded = [ "Size Flags" ]
 
-[node name="LabelOutputs" type="Label" parent="Sizer/Tabs/General" index="5"]
+[node name="Outputs" type="VBoxContainer" parent="Sizer/Tabs" index="1"]
+
+visible = false
+anchor_left = 0.0
+anchor_top = 0.0
+anchor_right = 1.0
+anchor_bottom = 1.0
+margin_left = 4.0
+margin_top = 32.0
+margin_right = -4.0
+margin_bottom = -4.0
+rect_pivot_offset = Vector2( 0, 0 )
+rect_clip_content = false
+mouse_filter = 1
+mouse_default_cursor_shape = 0
+size_flags_horizontal = 1
+size_flags_vertical = 1
+alignment = 0
+
+[node name="LabelOutputs" type="Label" parent="Sizer/Tabs/Outputs" index="0"]
 
 anchor_left = 0.0
 anchor_top = 0.0
 anchor_right = 0.0
 anchor_bottom = 0.0
-margin_top = 185.0
 margin_right = 825.0
-margin_bottom = 199.0
+margin_bottom = 14.0
 rect_pivot_offset = Vector2( 0, 0 )
 rect_clip_content = false
 mouse_filter = 2
@@ -327,13 +343,13 @@ lines_skipped = 0
 max_lines_visible = -1
 _sections_unfolded = [ "Size Flags" ]
 
-[node name="Outputs" type="ScrollContainer" parent="Sizer/Tabs/General" index="6"]
+[node name="Outputs" type="ScrollContainer" parent="Sizer/Tabs/Outputs" index="1"]
 
 anchor_left = 0.0
 anchor_top = 0.0
 anchor_right = 0.0
 anchor_bottom = 0.0
-margin_top = 203.0
+margin_top = 18.0
 margin_right = 825.0
 margin_bottom = 338.0
 rect_pivot_offset = Vector2( 0, 0 )
@@ -349,7 +365,7 @@ scroll_vertical = 0
 scroll_deadzone = 0
 _sections_unfolded = [ "Size Flags" ]
 
-[node name="Sizer" type="VBoxContainer" parent="Sizer/Tabs/General/Outputs" index="0"]
+[node name="Sizer" type="VBoxContainer" parent="Sizer/Tabs/Outputs/Outputs" index="0"]
 
 anchor_left = 0.0
 anchor_top = 0.0
@@ -366,7 +382,7 @@ size_flags_vertical = 1
 alignment = 0
 _sections_unfolded = [ "Size Flags" ]
 
-[node name="AddOutput" type="Button" parent="Sizer/Tabs/General/Outputs/Sizer" index="0"]
+[node name="AddOutput" type="Button" parent="Sizer/Tabs/Outputs/Outputs/Sizer" index="0"]
 
 anchor_left = 0.0
 anchor_top = 0.0
@@ -390,7 +406,7 @@ flat = true
 align = 1
 _sections_unfolded = [ "Size Flags" ]
 
-[node name="Global" type="TextEdit" parent="Sizer/Tabs" index="1"]
+[node name="Global" type="TextEdit" parent="Sizer/Tabs" index="2"]
 
 visible = false
 anchor_left = 0.0
@@ -425,7 +441,7 @@ caret_blink = false
 caret_blink_speed = 0.65
 caret_moving_by_right_click = true
 
-[node name="Instance" type="TextEdit" parent="Sizer/Tabs" index="2"]
+[node name="Instance" type="TextEdit" parent="Sizer/Tabs" index="3"]
 
 visible = false
 anchor_left = 0.0
@@ -532,7 +548,7 @@ align = 1
 
 [connection signal="pressed" from="Sizer/Tabs/General/Inputs/Sizer/AddInput" to="." method="_on_AddInput_pressed"]
 
-[connection signal="pressed" from="Sizer/Tabs/General/Outputs/Sizer/AddOutput" to="." method="_on_AddOutput_pressed"]
+[connection signal="pressed" from="Sizer/Tabs/Outputs/Outputs/Sizer/AddOutput" to="." method="_on_AddOutput_pressed"]
 
 [connection signal="pressed" from="Sizer/HBoxContainer/OK" to="." method="_on_OK_pressed"]