Added nodes removal & new node creation

addons/material_maker/graph_edit.gd

@@ -54,12 +54,13 @@ func disconnect_node(from, from_slot, to, to_slot):
 		send_changed_signal();
 
 func remove_node(node):
+	generator.remove_node(node.generator)
 	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()
+	send_changed_signal()
 
 # Global operations on graph
 
@@ -91,12 +92,32 @@ func clear_material():
 		if c is GraphNode:
 			remove_child(c)
 			c.free()
+	if generator != null:
+		remove_child(generator)
+		generator.free()
+		generator = null
 	send_changed_signal()
 
 func new_material():
+	print("New material")
 	clear_material()
-	create_nodes({name="Material", type="material"})
+	var loader = MMGenLoader.new()
-	set_save_path(null)
+	generator = loader.create_gen({nodes=[{name="Material", type="material"}], connections=[]})
+	if generator != null:
+		print("Not null !")
+		add_child(generator)
+		for g in generator.get_children():
+			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
+		if generator.get("connections") != null:
+			for c in generator.connections:
+				.connect_node("node_"+c.from, c.from_port, "node_"+c.to, c.to_port)
+		set_save_path(filename)
+		set_need_save(false)
 		center_view()
 
 func get_free_name(type):
@@ -142,7 +163,6 @@ func load_file(filename):
 	if generator != null:
 		add_child(generator)
 		for g in generator.get_children():
-			print(g.get_type())
 			var node = node_factory.create_node(g.get_type())
 			if node != null:
 				node.name = "node_"+g.name

addons/material_maker/graph_edit.tscn

@@ -1,9 +1,6 @@
-[gd_scene load_steps=4 format=2]
+[gd_scene load_steps=2 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.tscn" type="PackedScene" id=2]
-
-[sub_resource type="Theme" id=1]
 
 [node name="GraphEdit" type="GraphEdit"]
 self_modulate = Color( 1, 1, 1, 0 )
@@ -14,14 +11,6 @@ scroll_offset = Vector2( -325, -250 )
 use_snap = false
 script = ExtResource( 1 )
 
-[node name="Material" parent="." instance=ExtResource( 2 )]
-margin_left = 525.0
-margin_top = 250.0
-margin_right = 755.0
-margin_bottom = 470.0
-theme = SubResource( 1 )
-offset = Vector2( 200, 0 )
-
 [node name="Timer" type="Timer" parent="."]
 wait_time = 0.2
 one_shot = true

addons/material_maker/main_window.gd

@@ -133,6 +133,7 @@ func new_pane():
 
 func new_material():
 	var graph_edit = new_pane()
+	graph_edit.new_material()
 	graph_edit.update_tab_title()
 
 func load_material():
@@ -153,11 +154,14 @@ func do_load_material(filename):
 	var graph_edit = $VBoxContainer/HBoxContainer/Projects.get_current_tab_control()
 	var node_count = 2 # So test below succeeds if graph_edit is null...
 	if graph_edit != null:
+		node_count = 0
 		for c in graph_edit.get_children():
 			if c is GraphNode:
+				print(c.name)
 				node_count += 1
 				if node_count > 1:
 					break
+	print(node_count)
 	if node_count > 1:
 		graph_edit = new_pane()
 	graph_edit.load_file(filename)

addons/material_maker/new.ptex

@@ -1 +1 @@
-{"connections":[],"nodes":[{"name":"Material","node_position":{"x":307,"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"}]}
+{"connections":[],"nodes":[{"name":"Material","node_position":{"x":300,"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"}]}