Initial slot api for MMGraphNode. Already supports images. Also implemented the image generation helper methods for MMMaterial and MMNode.

game/addons/mat_maker_gd/editor/MatMakerGDEditor.gd

@@ -30,7 +30,7 @@ func recreate() -> void:
 		
 	for n in _material.nodes:
 		var gn : GraphNode = MMGraphNode.new()
-		gn.set_node(n)
+		gn.set_node(_material, n)
 		_graph_edit.add_child(gn)
 		
 	#connect them
@@ -56,8 +56,9 @@ func _on_AddPopup_ok_pressed(script_path : String):
 		print("_on_AddPopup_ok_pressed: Error !nnode! script: " + script_path)
 		return
 	
-	_material.nodes.append(nnode)
+	_material.add_node(nnode)
 	
 	var gn : GraphNode = MMGraphNode.new()
-	gn.set_node(nnode)
+	gn.set_node(_material, nnode)
 	_graph_edit.add_child(gn)
+	

game/addons/mat_maker_gd/editor/mm_graph_node.gd

@@ -1,7 +1,90 @@
 tool
 extends GraphNode
 
-var _node : MMNode = null
+export(PoolColorArray) var slot_colors : PoolColorArray
 
-func set_node(node : MMNode) -> void:
+var _material : MMMateial  = null
+var _node : MMNode = null
+var properties : Array = Array()
+
+func _init():
+	show_close = true
+	connect("offset_changed", self, "on_offset_changed")
+
+func add_slot_texture(input_type : int, output_type : int, getter : String, setter : String) -> void:
+	var t : TextureRect = TextureRect.new()
+
+	var slot_idx : int = add_slot(input_type, output_type, getter, setter, t)
+	
+	t.texture = _node.call(getter, _material, slot_idx)
+	properties[slot_idx].append(t.texture)
+
+func add_slot_label(input_type : int, output_type : int, getter : String, setter : String, slot_name : String) -> void:
+	var l : Label = Label.new()
+
+	l.text = slot_name
+	
+	add_slot(input_type, output_type, getter, setter, l)
+
+func add_slot(input_type : int, output_type : int, getter : String, setter : String, control : Control) -> int:
+	add_child(control)
+	var slot_idx : int = get_child_count() - 1
+	
+	var arr : Array = Array()
+	
+	arr.append(slot_idx)
+	arr.append(input_type)
+	arr.append(output_type)
+	arr.append(getter)
+	arr.append(setter)
+	arr.append(control)
+	
+	properties.append(arr)
+
+	set_slot_enabled_left(slot_idx, input_type != -1)
+	set_slot_enabled_right(slot_idx, output_type != -1)
+	
+	if input_type != -1:
+		set_slot_type_left(slot_idx, input_type)
+		
+	if output_type != -1:
+		set_slot_type_left(slot_idx, output_type)
+		
+	if slot_colors.size() > input_type:
+		set_slot_color_left(slot_idx, slot_colors[input_type])
+		
+	if slot_colors.size() > output_type:
+		set_slot_color_left(slot_idx, slot_colors[output_type])
+		
+	return slot_idx
+
+func set_node(material : MMMateial, node : MMNode) -> void:
 	_node = node
+	_material = material
+	
+	if !_node:
+		return
+	
+	title = _node.get_class()
+	
+	if _node.get_script():
+		title = _node.get_script().resource_path.get_file().get_basename()
+	
+	_node.register_methods(self)
+	
+	offset = _node.get_graph_position()
+	
+	_node.connect("changed", self, "on_node_changed")
+
+func propagate_node_change() -> void:
+	pass
+
+func on_offset_changed():
+	if _node:
+		_node.set_graph_position(offset)
+
+func on_node_changed():
+	#get all properties again
+	#_node.recalculate_image(_material)
+	
+	propagate_node_change()

game/addons/mat_maker_gd/nodes/mm_material.gd

@@ -4,4 +4,9 @@ extends Resource
 
 var MMMNode = preload("res://addons/mat_maker_gd/nodes/mm_node.gd")
 
+export(Vector2) var image_size : Vector2 = Vector2(128, 128)
 export(Array) var nodes : Array
+
+func add_node(node : MMNode) -> void:
+	nodes.append(node)
+	emit_changed()

game/addons/mat_maker_gd/nodes/mm_node.gd

@@ -2,6 +2,45 @@ tool
 class_name MMNode
 extends Resource
 
+export(Vector2) var graph_position : Vector2 = Vector2()
 
-var texture : ImageTexture
+func recalculate_image(material, slot_idx : int) -> ImageTexture:
+	var image : Image = Image.new()
+	image.create(material.image_size.x, material.image_size.y, false, Image.FORMAT_RGBA8)
 		
+	var tex : ImageTexture = ImageTexture.new()
+
+	image.lock()
+	
+	var w : float = image.get_width()
+	var h : float = image.get_width()
+	
+	var pseed : float = randf() + randi()
+	
+	for x in range(image.get_width()):
+		for y in range(image.get_height()):
+			var v : Vector2 = Vector2(x / w, y / h)
+
+			var col : Color = get_value_for(v)
+
+			image.set_pixel(x, y, col)
+
+	image.unlock()
+	
+	tex.create_from_image(image)
+
+	return tex
+
+func get_value_for(uv : Vector2) -> Color:
+	return Color()
+
+func register_methods(mm_graph_node) -> void:
+	pass
+
+func get_graph_position() -> Vector2:
+	return graph_position
+
+func set_graph_position(pos : Vector2) -> void:
+	graph_position = pos
+	
+	emit_changed()

game/addons/mat_maker_gd/nodes/noise/perlin.gd

@@ -9,62 +9,16 @@ var tex : ImageTexture
 export(Vector2) var bmin : Vector2 = Vector2(0.1, 0.1)
 export(Vector2) var bmax : Vector2 = Vector2(1, 1)
 
-export(bool) var refresh setget reff,reffg
-
-func _ready():
-	if !Engine.editor_hint:
-		gen()
-
-func gen() -> void:
-	if !image:
-		image = Image.new()
-		image.create(300, 300, false, Image.FORMAT_RGBA8)
-		
-	if !tex:
-		tex = ImageTexture.new()
-		
-#	var bmin : Vector2 = Vector2(0.1, 0.1)
-#	var bmax : Vector2 = Vector2(1, 1)
-
-	image.lock()
-	
-	var w : float = image.get_width()
-	var h : float = image.get_width()
-	
-	var pseed : float = randf() + randi()
-	
-	for x in range(image.get_width()):
-		for y in range(image.get_height()):
-			var v : Vector2 = Vector2(x / w, y / h)
-
-#			var f : float = pattern(v, 4, 4, CombinerType.MULTIPLY, CombinerAxisType.SINE, CombinerAxisType.SINE)
-
-			var col : Color = perlin(v)
-#			var col : Color = beehive_2_col(v)
-#			var col : Color = beehive_3_col(v)
-
-			image.set_pixel(x, y, col)
-
-			
-	image.unlock()
-	
-	tex.create_from_image(image)
-	texture = tex
-
 var seed_o12297 = -26656;
 var p_o12297_scale_x = 4.000000000;
 var p_o12297_scale_y = 4.000000000;
 var p_o12297_iterations = 3.000000000;
 var p_o12297_persistence = 0.500000000;
 
-func perlin(uv : Vector2) -> Color:
+func get_value_for(uv : Vector2) -> Color:
 	var a = NoisePerlin.perlinc(uv, Vector2(p_o12297_scale_x, p_o12297_scale_y), int(p_o12297_iterations), p_o12297_persistence, seed_o12297)
 	return a
 
-func reffg():
+func register_methods(mm_graph_node) -> void:
-	return false
+	mm_graph_node.add_slot_texture(0, 0, "recalculate_image", "")
-
-func reff(bb):
-	if bb:
-		gen()