added CSG toolkit

addons/csg_toolkit/csg_toolkit.gd

@@ -0,0 +1,57 @@
+@tool
+class_name CsgToolkit extends EditorPlugin
+@onready var config: CsgTkConfig:
+	get:
+		return get_tree().root.get_node_or_null(AUTOLOAD_NAME) as CsgTkConfig
+
+var sidebar: CSGSideToolkitBar
+var topbar: CSGTopToolkitBar
+var shortcut_manager: CsgShortcutManager
+
+const AUTOLOAD_NAME = "CsgToolkitAutoload"
+static var csg_plugin_path
+static var undo_manager: EditorUndoRedoManager
+
+func _enter_tree():
+	# Config
+	add_autoload_singleton(AUTOLOAD_NAME, "res://addons/csg_toolkit/scripts/csg_toolkit_config.gd")
+	csg_plugin_path = get_path()
+	undo_manager = get_undo_redo()
+	
+	# Nodes
+	add_custom_type("CSGRepeater3D", "CSGCombiner3D", preload("res://addons/csg_toolkit/scripts/csg_repeater_3d.gd"), null)
+	add_custom_type("CSGSpreader3D", "CSGCombiner3D", preload("res://addons/csg_toolkit/scripts/csg_spreader_3d.gd"), null)
+	
+	# Sidebar
+	var sidebarScene = preload("res://addons/csg_toolkit/scenes/csg_side_toolkit_bar.tscn")
+	sidebar = sidebarScene.instantiate()
+	add_control_to_container(EditorPlugin.CONTAINER_SPATIAL_EDITOR_SIDE_LEFT, sidebar)
+	# Ensure sidebar can be found by shortcut manager if needed
+	sidebar.add_to_group("CSGSideToolkit")
+	
+	# Topbar
+	var topbarScene = preload("res://addons/csg_toolkit/scenes/csg_top_toolkit_bar.tscn")
+	topbar = topbarScene.instantiate()
+	add_control_to_container(EditorPlugin.CONTAINER_SPATIAL_EDITOR_MENU, topbar)
+
+	# Shortcut Manager
+	shortcut_manager = CsgShortcutManager.new()
+	get_tree().root.add_child(shortcut_manager)
+	shortcut_manager.sidebar = sidebar
+
+func _exit_tree():
+	remove_custom_type("CSGRepeater3D")
+	remove_custom_type("CSGSpreader3D")
+	undo_manager = null
+	
+	remove_autoload_singleton(AUTOLOAD_NAME)
+	
+	# Note: ProjectSettings for CSG Toolkit are preserved in project.godot
+	# They can be manually removed from Project Settings if desired
+	
+	remove_control_from_container(EditorPlugin.CONTAINER_SPATIAL_EDITOR_SIDE_LEFT, sidebar)
+	sidebar.free()
+	remove_control_from_container(EditorPlugin.CONTAINER_SPATIAL_EDITOR_MENU, topbar)
+	topbar.free()
+	if shortcut_manager and is_instance_valid(shortcut_manager):
+		shortcut_manager.queue_free()