Support loading user plugin from .pck

addons/material_maker/engine/loader.gd

@@ -18,6 +18,53 @@ const SHARED_NODES_DIR : String = "user://shared_nodes"
 func _ready()-> void:
  update_predefined_generators()
  load_external_export_targets()
+ load_plugins()
+
+func load_plugins():
+ var plugin_dir = DirAccess.open("user://plugins")
+ if not plugin_dir:
+ return
+
+ var any_plugins_loaded = false
+
+ plugin_dir.list_dir_begin()
+ var plugin_file_name = plugin_dir.get_next()
+ while (plugin_file_name != ""):
+ if plugin_dir.current_is_dir():
+ continue
+ print("Attempting to load plugin: ", plugin_file_name)
+ var result = ProjectSettings.load_resource_pack("user://plugins/" + plugin_file_name)
+ if(result):
+ print("Loaded successfully")
+ else:
+ print("Load failed")
+
+ any_plugins_loaded = any_plugins_loaded or result
+ plugin_file_name = plugin_dir.get_next()
+
+ if not any_plugins_loaded:
+ return
+
+ var dir = DirAccess.open("res://mm_plugin")
+
+ dir.list_dir_begin()
+ var file_name = dir.get_next()
+
+ while (file_name != ""):
+ print("Initialising plugin: ", file_name)
+ var plugin_scene = "res://mm_plugin/" + file_name + "/plugin.tscn"
+ print(plugin_scene)
+ file_name = dir.get_next()
+
+ if dir.current_is_dir():
+ if ResourceLoader.exists(plugin_scene) == false:
+ print("Plugin scene did not exist, this plugin may not be configured correctly")
+ continue
+
+ var plugin = load(plugin_scene) 
+ var plugin_node = plugin.instantiate()
+ add_child(plugin_node)
+
 
 func get_predefined_generators_from_dir(path : String) -> void:
  var parser

addons/material_maker/engine/nodes/gen_graph.gd

@@ -6,6 +6,7 @@ var label : String = "Graph"
 var shortdesc = ""
 var longdesc = ""
 var connections = []
+var plugin_data = {}
 
 var editable : bool = false
 
@@ -525,6 +526,7 @@ func _serialize(data: Dictionary) -> Dictionary:
  data.shortdesc = shortdesc
  data.longdesc = longdesc
  data.nodes = []
+ data.plugin_data = plugin_data
  for c in get_children():
  data.nodes.append(c.serialize())
  #data.connections = connections_to_compact(connections)
@@ -538,6 +540,8 @@ func _deserialize(data : Dictionary) -> void:
  shortdesc = data.shortdesc
  if data.has("longdesc"):
  longdesc = data.longdesc
+ if data.has("plugin_data"):
+ plugin_data = data.plugin_data
  var nodes = data.nodes if data.has("nodes") else []
  var connection_array : Array = []
  if data.has("connections"):

material_maker/main_window.gd

@@ -219,16 +219,24 @@ func _ready() -> void:
  if get_current_graph_edit() == null:
  await get_tree().process_frame
  new_material()
- 
+
  update_menus()
 
+ plugin_ui_loaded.call_deferred()
+
 var menu_update_requested : bool = false
 
 func update_menus() -> void:
  if ! menu_update_requested:
  menu_update_requested = true
  do_update_menus.call_deferred()
 
+func plugin_ui_loaded():
+ var children = mm_loader.get_children()
+ for child in children:
+ if child.has_method("on_ui_loaded"):
+ child.on_ui_loaded()
+
 func do_update_menus() -> void:
  # Create menus
  var menu_bar_class

material_maker/main_window.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=19 format=3 uid="uid://cgfeik04a5qqs"]
+[gd_scene load_steps=19 format=3 uid="uid://xycv1evlfpuf"]
 
 [ext_resource type="Script" path="res://material_maker/main_window.gd" id="1"]
 [ext_resource type="Script" path="res://material_maker/main_window_layout.gd" id="2"]

material_maker/windows/export_animation/export_animation.gd

@@ -88,6 +88,9 @@ func _on_Export_pressed():
  dialog.add_filter("*.png;PNG image files")
  add_child(dialog)
  var files = await dialog.select_files()
+ do_export(files)
+
+func do_export(files):
  if files.size() > 0:
  var filename : String = files[0]
  var size : int = 1 << value_size.size_value