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godot-docs/classes/class_multiplayerspawner.rst
2024-09-28 03:21:12 +00:00

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:github_url: hide
.. meta::
:keywords: network
.. DO NOT EDIT THIS FILE!!!
.. Generated automatically from Godot engine sources.
.. Generator: https://github.com/godotengine/godot/tree/master/doc/tools/make_rst.py.
.. XML source: https://github.com/godotengine/godot/tree/master/modules/multiplayer/doc_classes/MultiplayerSpawner.xml.
.. _class_MultiplayerSpawner:
MultiplayerSpawner
==================
**Inherits:** :ref:`Node<class_Node>` **<** :ref:`Object<class_Object>`
Automatically replicates spawnable nodes from the authority to other multiplayer peers.
.. rst-class:: classref-introduction-group
Description
-----------
Spawnable scenes can be configured in the editor or through code (see :ref:`add_spawnable_scene<class_MultiplayerSpawner_method_add_spawnable_scene>`).
Also supports custom node spawns through :ref:`spawn<class_MultiplayerSpawner_method_spawn>`, calling :ref:`spawn_function<class_MultiplayerSpawner_property_spawn_function>` on all peers.
Internally, **MultiplayerSpawner** uses :ref:`MultiplayerAPI.object_configuration_add<class_MultiplayerAPI_method_object_configuration_add>` to notify spawns passing the spawned node as the ``object`` and itself as the ``configuration``, and :ref:`MultiplayerAPI.object_configuration_remove<class_MultiplayerAPI_method_object_configuration_remove>` to notify despawns in a similar way.
.. rst-class:: classref-reftable-group
Properties
----------
.. table::
:widths: auto
+---------------------------------+-------------------------------------------------------------------------+------------------+
| :ref:`Callable<class_Callable>` | :ref:`spawn_function<class_MultiplayerSpawner_property_spawn_function>` | |
+---------------------------------+-------------------------------------------------------------------------+------------------+
| :ref:`int<class_int>` | :ref:`spawn_limit<class_MultiplayerSpawner_property_spawn_limit>` | ``0`` |
+---------------------------------+-------------------------------------------------------------------------+------------------+
| :ref:`NodePath<class_NodePath>` | :ref:`spawn_path<class_MultiplayerSpawner_property_spawn_path>` | ``NodePath("")`` |
+---------------------------------+-------------------------------------------------------------------------+------------------+
.. rst-class:: classref-reftable-group
Methods
-------
.. table::
:widths: auto
+-----------------------------+------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`add_spawnable_scene<class_MultiplayerSpawner_method_add_spawnable_scene>`\ (\ path\: :ref:`String<class_String>`\ ) |
+-----------------------------+------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`clear_spawnable_scenes<class_MultiplayerSpawner_method_clear_spawnable_scenes>`\ (\ ) |
+-----------------------------+------------------------------------------------------------------------------------------------------------------------------+
| :ref:`String<class_String>` | :ref:`get_spawnable_scene<class_MultiplayerSpawner_method_get_spawnable_scene>`\ (\ index\: :ref:`int<class_int>`\ ) |const| |
+-----------------------------+------------------------------------------------------------------------------------------------------------------------------+
| :ref:`int<class_int>` | :ref:`get_spawnable_scene_count<class_MultiplayerSpawner_method_get_spawnable_scene_count>`\ (\ ) |const| |
+-----------------------------+------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Node<class_Node>` | :ref:`spawn<class_MultiplayerSpawner_method_spawn>`\ (\ data\: :ref:`Variant<class_Variant>` = null\ ) |
+-----------------------------+------------------------------------------------------------------------------------------------------------------------------+
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
Signals
-------
.. _class_MultiplayerSpawner_signal_despawned:
.. rst-class:: classref-signal
**despawned**\ (\ node\: :ref:`Node<class_Node>`\ ) :ref:`🔗<class_MultiplayerSpawner_signal_despawned>`
Emitted when a spawnable scene or custom spawn was despawned by the multiplayer authority. Only called on remote peers.
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerSpawner_signal_spawned:
.. rst-class:: classref-signal
**spawned**\ (\ node\: :ref:`Node<class_Node>`\ ) :ref:`🔗<class_MultiplayerSpawner_signal_spawned>`
Emitted when a spawnable scene or custom spawn was spawned by the multiplayer authority. Only called on remote peers.
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
Property Descriptions
---------------------
.. _class_MultiplayerSpawner_property_spawn_function:
.. rst-class:: classref-property
:ref:`Callable<class_Callable>` **spawn_function** :ref:`🔗<class_MultiplayerSpawner_property_spawn_function>`
.. rst-class:: classref-property-setget
- |void| **set_spawn_function**\ (\ value\: :ref:`Callable<class_Callable>`\ )
- :ref:`Callable<class_Callable>` **get_spawn_function**\ (\ )
Method called on all peers when a custom :ref:`spawn<class_MultiplayerSpawner_method_spawn>` is requested by the authority. Will receive the ``data`` parameter, and should return a :ref:`Node<class_Node>` that is not in the scene tree.
\ **Note:** The returned node should **not** be added to the scene with :ref:`Node.add_child<class_Node_method_add_child>`. This is done automatically.
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerSpawner_property_spawn_limit:
.. rst-class:: classref-property
:ref:`int<class_int>` **spawn_limit** = ``0`` :ref:`🔗<class_MultiplayerSpawner_property_spawn_limit>`
.. rst-class:: classref-property-setget
- |void| **set_spawn_limit**\ (\ value\: :ref:`int<class_int>`\ )
- :ref:`int<class_int>` **get_spawn_limit**\ (\ )
Maximum number of nodes allowed to be spawned by this spawner. Includes both spawnable scenes and custom spawns.
When set to ``0`` (the default), there is no limit.
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerSpawner_property_spawn_path:
.. rst-class:: classref-property
:ref:`NodePath<class_NodePath>` **spawn_path** = ``NodePath("")`` :ref:`🔗<class_MultiplayerSpawner_property_spawn_path>`
.. rst-class:: classref-property-setget
- |void| **set_spawn_path**\ (\ value\: :ref:`NodePath<class_NodePath>`\ )
- :ref:`NodePath<class_NodePath>` **get_spawn_path**\ (\ )
Path to the spawn root. Spawnable scenes that are added as direct children are replicated to other peers.
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
Method Descriptions
-------------------
.. _class_MultiplayerSpawner_method_add_spawnable_scene:
.. rst-class:: classref-method
|void| **add_spawnable_scene**\ (\ path\: :ref:`String<class_String>`\ ) :ref:`🔗<class_MultiplayerSpawner_method_add_spawnable_scene>`
Adds a scene path to spawnable scenes, making it automatically replicated from the multiplayer authority to other peers when added as children of the node pointed by :ref:`spawn_path<class_MultiplayerSpawner_property_spawn_path>`.
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerSpawner_method_clear_spawnable_scenes:
.. rst-class:: classref-method
|void| **clear_spawnable_scenes**\ (\ ) :ref:`🔗<class_MultiplayerSpawner_method_clear_spawnable_scenes>`
Clears all spawnable scenes. Does not despawn existing instances on remote peers.
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerSpawner_method_get_spawnable_scene:
.. rst-class:: classref-method
:ref:`String<class_String>` **get_spawnable_scene**\ (\ index\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_MultiplayerSpawner_method_get_spawnable_scene>`
Returns the spawnable scene path by index.
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerSpawner_method_get_spawnable_scene_count:
.. rst-class:: classref-method
:ref:`int<class_int>` **get_spawnable_scene_count**\ (\ ) |const| :ref:`🔗<class_MultiplayerSpawner_method_get_spawnable_scene_count>`
Returns the count of spawnable scene paths.
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerSpawner_method_spawn:
.. rst-class:: classref-method
:ref:`Node<class_Node>` **spawn**\ (\ data\: :ref:`Variant<class_Variant>` = null\ ) :ref:`🔗<class_MultiplayerSpawner_method_spawn>`
Requests a custom spawn, with ``data`` passed to :ref:`spawn_function<class_MultiplayerSpawner_property_spawn_function>` on all peers. Returns the locally spawned node instance already inside the scene tree, and added as a child of the node pointed by :ref:`spawn_path<class_MultiplayerSpawner_property_spawn_path>`.
\ **Note:** Spawnable scenes are spawned automatically. :ref:`spawn<class_MultiplayerSpawner_method_spawn>` is only needed for custom spawns.
.. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`
.. |const| replace:: :abbr:`const (This method has no side effects. It doesn't modify any of the instance's member variables.)`
.. |vararg| replace:: :abbr:`vararg (This method accepts any number of arguments after the ones described here.)`
.. |constructor| replace:: :abbr:`constructor (This method is used to construct a type.)`
.. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`
.. |operator| replace:: :abbr:`operator (This method describes a valid operator to use with this type as left-hand operand.)`
.. |bitfield| replace:: :abbr:`BitField (This value is an integer composed as a bitmask of the following flags.)`
.. |void| replace:: :abbr:`void (No return value.)`