64 lines
1.5 KiB
GDScript
64 lines
1.5 KiB
GDScript
extends Node
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# https://docs.godotengine.org/en/stable/tutorials/scripting/singletons_autoload.html
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signal state_changed(previous, new)
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enum State {UNLOADED, LOADED}
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const config_path = "user://logue.cfg"
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var config = ConfigFile.new()
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var db = SQLite.new()
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var current_scene = null
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var current_state = State.UNLOADED
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func _ready():
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var root = get_tree().root
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current_scene = root.get_child(root.get_child_count() - 1)
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db.verbosity_level = SQLite.VERBOSE
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var err = config.load(config_path)
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if err == OK:
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var db_path = config.get_value("general", "db_path")
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load_db(db_path)
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func switch_state(new: State):
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var old = current_state
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if old == new:
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return
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current_state = new
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emit_signal("state_changed", old, new)
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#signal state_changed(old, new)
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func load_db(path: String):
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db.path = path
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var success = db.open_db()
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if success:
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config.set_value("general", "db_path", path)
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config.save(config_path)
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switch_state(State.LOADED)
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else:
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db.path = ""
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switch_state(State.UNLOADED)
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func goto_scene(path):
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call_deferred("_deferred_goto_scene", path)
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func _deferred_goto_scene(path):
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# It is now safe to remove the current scene.
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current_scene.free()
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# Load the new scene.
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var s = ResourceLoader.load(path)
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# Instance the new scene.
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current_scene = s.instantiate()
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# Add it to the active scene, as child of root.
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get_tree().root.add_child(current_scene)
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# Optionally, to make it compatible with the SceneTree.change_scene_to_file() API.
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get_tree().current_scene = current_scene
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