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PackedScene¶
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 of loading 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)
// C# has no preload, so you have to always use ResourceLoader.Load<PackedScene>().
var scene = ResourceLoader.Load<PackedScene>("res://scene.tscn").Instantiate();
// Add the node as a child of the node the script is attached to.
AddChild(scene);
Example of saving 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.")
// Create the objects.
var node = new Node2D();
var body = new RigidBody2D();
var collision = new CollisionShape2D();
// Create the object hierarchy.
body.AddChild(collision);
node.AddChild(body);
// Change owner of `body`, but not of `collision`.
body.Owner = node;
var scene = new PackedScene();
// Only `node` and `body` are now packed.
Error result = scene.Pack(node);
if (result == Error.Ok)
{
Error error = ResourceSaver.Save(scene, "res://path/name.tscn"); // Or "user://..."
if (error != Error.Ok)
{
GD.PushError("An error occurred while saving the scene to disk.");
}
}
Tutorials¶
Properties¶
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Methods¶
can_instantiate ( ) const |
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get_state ( ) const |
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instantiate ( GenEditState edit_state=0 ) const |
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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.
Property Descriptions¶
Dictionary _bundled = { "conn_count": 0, "conns": PackedInt32Array(), "editable_instances": [], "names": PackedStringArray(), "node_count": 0, "node_paths": [], "nodes": PackedInt32Array(), "variants": [], "version": 3 }
A dictionary representation of the scene contents.
Available keys include "rnames" and "variants" for resources, "node_count", "nodes", "node_paths" for nodes, "editable_instances" for base scene children overrides, "conn_count" and "conns" for signal connections, and "version" for the format style of the PackedScene.
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 ( GenEditState edit_state=0 ) const
Instantiates the scene's node hierarchy. Triggers child scene instantiation(s). Triggers a Node.NOTIFICATION_SCENE_INSTANTIATED notification on the root node.
Pack will ignore any sub-nodes not owned by given node. See Node.owner.