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239 lines
9.4 KiB
ReStructuredText
239 lines
9.4 KiB
ReStructuredText
:github_url: hide
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.. _class_PackedScene:
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PackedScene
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===========
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**Hereda:** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
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Una abstracción de una escena serializada.
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.. rst-class:: classref-introduction-group
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Descripción
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----------------------
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A simplified interface to a scene file. Provides access to operations and checks that can be performed on the scene resource itself.
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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 :ref:`Node.owner<class_Node_property_owner>` property).
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\ **Note:** The node doesn't need to own itself.
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\ **Example:** Load a saved scene:
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.. tabs::
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.. code-tab:: gdscript
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# Use load() instead of preload() if the path isn't known at compile-time.
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var scene = preload("res://scene.tscn").instantiate()
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# Add the node as a child of the node the script is attached to.
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add_child(scene)
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.. code-tab:: csharp
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// C# has no preload, so you have to always use ResourceLoader.Load<PackedScene>().
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var scene = ResourceLoader.Load<PackedScene>("res://scene.tscn").Instantiate();
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// Add the node as a child of the node the script is attached to.
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AddChild(scene);
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\ **Example:** Save a node with different owners. The following example creates 3 objects: :ref:`Node2D<class_Node2D>` (``node``), :ref:`RigidBody2D<class_RigidBody2D>` (``body``) and :ref:`CollisionObject2D<class_CollisionObject2D>` (``collision``). ``collision`` is a child of ``body`` which is a child of ``node``. Only ``body`` is owned by ``node`` and :ref:`pack()<class_PackedScene_method_pack>` will therefore only save those two nodes, but not ``collision``.
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.. tabs::
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.. code-tab:: gdscript
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# Create the objects.
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var node = Node2D.new()
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var body = RigidBody2D.new()
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var collision = CollisionShape2D.new()
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# Create the object hierarchy.
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body.add_child(collision)
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node.add_child(body)
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# Change owner of `body`, but not of `collision`.
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body.owner = node
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var scene = PackedScene.new()
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# Only `node` and `body` are now packed.
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var result = scene.pack(node)
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if result == OK:
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var error = ResourceSaver.save(scene, "res://path/name.tscn") # Or "user://..."
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if error != OK:
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push_error("An error occurred while saving the scene to disk.")
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.. code-tab:: csharp
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// Create the objects.
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var node = new Node2D();
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var body = new RigidBody2D();
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var collision = new CollisionShape2D();
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// Create the object hierarchy.
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body.AddChild(collision);
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node.AddChild(body);
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// Change owner of `body`, but not of `collision`.
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body.Owner = node;
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var scene = new PackedScene();
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// Only `node` and `body` are now packed.
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Error result = scene.Pack(node);
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if (result == Error.Ok)
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{
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Error error = ResourceSaver.Save(scene, "res://path/name.tscn"); // Or "user://..."
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if (error != Error.Ok)
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{
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GD.PushError("An error occurred while saving the scene to disk.");
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}
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}
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.. rst-class:: classref-introduction-group
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Tutoriales
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--------------------
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- `2D Role Playing Game (RPG) Demo <https://godotengine.org/asset-library/asset/2729>`__
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.. rst-class:: classref-reftable-group
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Métodos
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--------------
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.. table::
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:widths: auto
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+---------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | :ref:`can_instantiate<class_PackedScene_method_can_instantiate>`\ (\ ) |const| |
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+---------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`SceneState<class_SceneState>` | :ref:`get_state<class_PackedScene_method_get_state>`\ (\ ) |const| |
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+---------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Node<class_Node>` | :ref:`instantiate<class_PackedScene_method_instantiate>`\ (\ edit_state\: :ref:`GenEditState<enum_PackedScene_GenEditState>` = 0\ ) |const| |
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+---------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Error<enum_@GlobalScope_Error>` | :ref:`pack<class_PackedScene_method_pack>`\ (\ path\: :ref:`Node<class_Node>`\ ) |
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+---------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------+
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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Enumeraciones
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--------------------------
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.. _enum_PackedScene_GenEditState:
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.. rst-class:: classref-enumeration
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enum **GenEditState**: :ref:`🔗<enum_PackedScene_GenEditState>`
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.. _class_PackedScene_constant_GEN_EDIT_STATE_DISABLED:
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.. rst-class:: classref-enumeration-constant
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:ref:`GenEditState<enum_PackedScene_GenEditState>` **GEN_EDIT_STATE_DISABLED** = ``0``
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If passed to :ref:`instantiate()<class_PackedScene_method_instantiate>`, blocks edits to the scene state.
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.. _class_PackedScene_constant_GEN_EDIT_STATE_INSTANCE:
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.. rst-class:: classref-enumeration-constant
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:ref:`GenEditState<enum_PackedScene_GenEditState>` **GEN_EDIT_STATE_INSTANCE** = ``1``
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If passed to :ref:`instantiate()<class_PackedScene_method_instantiate>`, provides local scene resources to the local scene.
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\ **Note:** Only available in editor builds.
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.. _class_PackedScene_constant_GEN_EDIT_STATE_MAIN:
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.. rst-class:: classref-enumeration-constant
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:ref:`GenEditState<enum_PackedScene_GenEditState>` **GEN_EDIT_STATE_MAIN** = ``2``
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If passed to :ref:`instantiate()<class_PackedScene_method_instantiate>`, provides local scene resources to the local scene. Only the main scene should receive the main edit state.
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\ **Note:** Only available in editor builds.
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.. _class_PackedScene_constant_GEN_EDIT_STATE_MAIN_INHERITED:
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.. rst-class:: classref-enumeration-constant
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:ref:`GenEditState<enum_PackedScene_GenEditState>` **GEN_EDIT_STATE_MAIN_INHERITED** = ``3``
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It's similar to :ref:`GEN_EDIT_STATE_MAIN<class_PackedScene_constant_GEN_EDIT_STATE_MAIN>`, but for the case where the scene is being instantiated to be the base of another one.
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\ **Note:** Only available in editor builds.
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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Descripciones de Métodos
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------------------------------------------------
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.. _class_PackedScene_method_can_instantiate:
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.. rst-class:: classref-method
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:ref:`bool<class_bool>` **can_instantiate**\ (\ ) |const| :ref:`🔗<class_PackedScene_method_can_instantiate>`
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Devuelve ``true`` si el archivo de la escena tiene nodos.
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.. rst-class:: classref-item-separator
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----
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.. _class_PackedScene_method_get_state:
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.. rst-class:: classref-method
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:ref:`SceneState<class_SceneState>` **get_state**\ (\ ) |const| :ref:`🔗<class_PackedScene_method_get_state>`
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Returns the :ref:`SceneState<class_SceneState>` representing the scene file contents.
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.. rst-class:: classref-item-separator
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----
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.. _class_PackedScene_method_instantiate:
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.. rst-class:: classref-method
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:ref:`Node<class_Node>` **instantiate**\ (\ edit_state\: :ref:`GenEditState<enum_PackedScene_GenEditState>` = 0\ ) |const| :ref:`🔗<class_PackedScene_method_instantiate>`
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Instantiates the scene's node hierarchy. Triggers child scene instantiation(s). Triggers a :ref:`Node.NOTIFICATION_SCENE_INSTANTIATED<class_Node_constant_NOTIFICATION_SCENE_INSTANTIATED>` notification on the root node.
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.. rst-class:: classref-item-separator
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----
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.. _class_PackedScene_method_pack:
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.. rst-class:: classref-method
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:ref:`Error<enum_@GlobalScope_Error>` **pack**\ (\ path\: :ref:`Node<class_Node>`\ ) :ref:`🔗<class_PackedScene_method_pack>`
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Packs the ``path`` node, and all owned sub-nodes, into this **PackedScene**. Any existing data will be cleared. See :ref:`Node.owner<class_Node_property_owner>`.
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.. |virtual| replace:: :abbr:`virtual (Normalmente, este método debería ser sobreescrito por el usuario para que tenga algún efecto.)`
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.. |required| replace:: :abbr:`required (This method is required to be overridden when extending its base class.)`
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.. |const| replace:: :abbr:`const (Este método no tiene efectos secundarios. No modifica ninguna de las variables miembro de la instancia.)`
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.. |vararg| replace:: :abbr:`vararg (Este método permite agregar cualquier número de argumentos después de los descritos aquí.)`
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.. |constructor| replace:: :abbr:`constructor (Este método se utiliza para construir un tipo.)`
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.. |static| replace:: :abbr:`static (Este método no necesita una instancia para ser llamado, por lo que puede llamarse directamente utilizando el nombre de la clase.)`
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.. |operator| replace:: :abbr:`operator (Este método describe un operador válido para usar con este tipo como operando izquierdo.)`
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.. |bitfield| replace:: :abbr:`BitField (Este valor es un entero compuesto como una máscara de bits de las siguientes banderas.)`
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.. |void| replace:: :abbr:`void (Sin valor de retorno.)`
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