Implement restoring node connections on opening an MMMaterian in mat_maker_gd's editor.

game/addons/mat_maker_gd/editor/MatMakerGDEditor.gd

@@ -61,9 +61,31 @@ func recreate() -> void:
 		_graph_edit.add_child(gn)
 		
 	#connect them
+	for n in _material.nodes:
+		if n:
+			for ip in n.input_properties:
+				if ip.input_property:
+					var input_node : Node = find_graph_node_for(n)
+					var output_node : Node = find_graph_node_for(ip.input_property.owner)
+					
+					var to_slot : int = input_node.get_input_property_graph_node_slot_index(ip)
+					var from_slot : int = output_node.get_output_property_graph_node_slot_index(ip.input_property)
+					
+					_graph_edit.connect_node(output_node.name, from_slot, input_node.name, to_slot)
 	
 	_material.render()
 
+func find_graph_node_for(nnode) -> Node:
+	for c in _graph_edit.get_children():
+		if c is GraphNode:
+			if c.has_method("get_material_node"):
+				var n = c.get_material_node()
+				
+				if n == nnode:
+					return c
+
+	return null
+
 func set_mmmaterial(object : MMMateial):
 	_material = object
 	

game/addons/mat_maker_gd/editor/mm_graph_node.gd

@@ -325,6 +325,30 @@ func disconnect_slot(slot_idx : int, to_node : Node, to_slot_idx : int) -> bool:
 
 	return true
 
+func get_input_property_graph_node_slot_index(property) -> int:
+	var property_index : int = -1
+	
+	for i in range(properties.size()):
+		if properties[i][1] != -1:
+			property_index += 1
+			
+			if properties[i][6] == property:
+				break
+				
+	return property_index
+
+func get_output_property_graph_node_slot_index(property) -> int:
+	var property_index : int = -1
+	
+	for i in range(properties.size()):
+		if properties[i][2] != -1:
+			property_index += 1
+			
+			if properties[i][6] == property:
+				break
+				
+	return property_index
+
 func get_property_control(slot_idx : int) -> Node:
 	return properties[slot_idx][5]
 
@@ -397,3 +421,6 @@ func on_universal_texture_changed(slot_idx : int) -> void:
 
 func on_slot_line_edit_text_entered(text : String, slot_idx : int) -> void:
 	_node.call(properties[slot_idx][4], text)
+
+func get_material_node() -> MMNode:
+	return _node

game/addons/mat_maker_gd/new_resource.tres

@@ -39,6 +39,15 @@ default_vector2 = Vector2( 0, 0 )
 default_vector3 = Vector3( 0, 0, 0 )
 default_color = Color( 0, 0, 0, 1 )
 
+[sub_resource type="Resource" id=10]
+script = ExtResource( 5 )
+default_type = 5
+default_int = 0
+default_float = 0.0
+default_vector2 = Vector2( 0, 0 )
+default_vector3 = Vector3( 0, 0, 0 )
+default_color = Color( 0, 0, 0, 1 )
+
 [sub_resource type="Resource" id=4]
 script = ExtResource( 5 )
 default_type = 1
@@ -47,10 +56,11 @@ default_float = 0.65
 default_vector2 = Vector2( 0, 0 )
 default_vector3 = Vector3( 0, 0, 0 )
 default_color = Color( 0, 0, 0, 1 )
+input_property = SubResource( 10 )
 
 [sub_resource type="Resource" id=5]
 script = ExtResource( 4 )
-graph_position = Vector2( -340, -340 )
+graph_position = Vector2( -360, -340 )
 image = SubResource( 7 )
 shape_type = 4
 sides = 11
@@ -68,7 +78,7 @@ default_color = Color( 0, 0, 0, 1 )
 
 [sub_resource type="Resource" id=6]
 script = ExtResource( 6 )
-graph_position = Vector2( -20, -340 )
+graph_position = Vector2( -20, -320 )
 image = SubResource( 13 )
 postfix = "-test"
 
@@ -81,15 +91,6 @@ default_vector2 = Vector2( 0, 0 )
 default_vector3 = Vector3( 0, 0, 0 )
 default_color = Color( 0, 0, 0, 1 )
 
-[sub_resource type="Resource" id=10]
-script = ExtResource( 5 )
-default_type = 5
-default_int = 0
-default_float = 0.0
-default_vector2 = Vector2( 0, 0 )
-default_vector3 = Vector3( 0, 0, 0 )
-default_color = Color( 0, 0, 0, 1 )
-
 [sub_resource type="Resource" id=11]
 script = ExtResource( 5 )
 default_type = 1
@@ -101,7 +102,7 @@ default_color = Color( 0, 0, 0, 1 )
 
 [sub_resource type="Resource" id=12]
 script = ExtResource( 4 )
-graph_position = Vector2( -720, -60 )
+graph_position = Vector2( -760, -60 )
 image = SubResource( 10 )
 shape_type = 3
 sides = 6