PackedScene (original) (raw)
Attention: Here be dragons
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Inherits: Resource < RefCounted < Object
An abstraction of a serialized scene.
Description
A simplified interface to a scene file. Provides access to operations and checks that can be performed on the scene resource itself.
Can be used to save a node to a file. When saving, the node as well as all the nodes it owns get saved (see Node.owner property).
Note: The node doesn't need to own itself.
Example: Load a saved scene:
Use load() instead of preload() if the path isn't known at compile-time.
var scene = preload("res://scene.tscn").instantiate()
Add the node as a child of the node the script is attached to.
add_child(scene)
Example: Save a node with different owners. The following example creates 3 objects: Node2D (node), RigidBody2D (body) and CollisionObject2D (collision). collision is a child of body which is a child of node. Only body is owned by node and pack() will therefore only save those two nodes, but not collision.
Create the objects.
var node = Node2D.new() var body = RigidBody2D.new() var collision = CollisionShape2D.new()
Create the object hierarchy.
body.add_child(collision) node.add_child(body)
Change owner of body, but not of collision.
body.owner = node var scene = PackedScene.new()
Only node and body are now packed.
var result = scene.pack(node) if result == OK: var error = ResourceSaver.save(scene, "res://path/name.tscn") # Or "user://..." if error != OK: push_error("An error occurred while saving the scene to disk.")
Tutorials
Methods
Enumerations
enum GenEditState: 🔗
GenEditState GEN_EDIT_STATE_DISABLED = 0
If passed to instantiate(), blocks edits to the scene state.
GenEditState GEN_EDIT_STATE_INSTANCE = 1
If passed to instantiate(), provides local scene resources to the local scene.
Note: Only available in editor builds.
GenEditState GEN_EDIT_STATE_MAIN = 2
If passed to instantiate(), provides local scene resources to the local scene. Only the main scene should receive the main edit state.
Note: Only available in editor builds.
GenEditState GEN_EDIT_STATE_MAIN_INHERITED = 3
It's similar to GEN_EDIT_STATE_MAIN, but for the case where the scene is being instantiated to be the base of another one.
Note: Only available in editor builds.
Method Descriptions
bool can_instantiate() const 🔗
Returns true if the scene file has nodes.
SceneState get_state() const 🔗
Returns the SceneState representing the scene file contents.
Node instantiate(edit_state: GenEditState = 0) const 🔗
Instantiates the scene's node hierarchy. Triggers child scene instantiation(s). Triggers a Node.NOTIFICATION_SCENE_INSTANTIATED notification on the root node.
Packs the path node, and all owned sub-nodes, into this PackedScene. Any existing data will be cleared. See Node.owner.