@tool extends EditorPlugin func _enter_tree() -> void: add_tool_menu_item("Open Spritesheet Generator", run_generator) get_editor_interface().get_command_palette().add_command("Open Spritesheet Generator", "addons/open_spritesheet_generator", run_generator) func _exit_tree() -> void: remove_tool_menu_item("Open Spritesheet Generator") get_editor_interface().get_command_palette().remove_command("addons/open_spritesheet_generator") func run_generator(): get_editor_interface().play_custom_scene("res://addons/SpritesheetGenerator/SpritesheetGenerator.tscn")