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godot-docs/classes/class_multiplayerpeerextension.rst
Godot Organization d739f793a4 classref: Sync with current 4.0 branch (d0c0d44)
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.. DO NOT EDIT THIS FILE!!!
.. Generated automatically from Godot engine sources.
.. Generator: https://github.com/godotengine/godot/tree/4.0/doc/tools/make_rst.py.
.. XML source: https://github.com/godotengine/godot/tree/4.0/doc/classes/MultiplayerPeerExtension.xml.
.. _class_MultiplayerPeerExtension:
MultiplayerPeerExtension
========================
**Inherits:** :ref:`MultiplayerPeer<class_MultiplayerPeer>` **<** :ref:`PacketPeer<class_PacketPeer>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
Class that can be inherited to implement custom multiplayer API networking layers via GDExtension.
.. rst-class:: classref-introduction-group
Description
-----------
This class is designed to be inherited from a GDExtension plugin to implement custom networking layers for the multiplayer API (such as WebRTC). All the methods below **must** be implemented to have a working custom multiplayer implementation. See also :ref:`MultiplayerAPI<class_MultiplayerAPI>`.
.. rst-class:: classref-reftable-group
Methods
-------
.. table::
:widths: auto
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void | :ref:`_close<class_MultiplayerPeerExtension_method__close>` **(** **)** |virtual| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void | :ref:`_disconnect_peer<class_MultiplayerPeerExtension_method__disconnect_peer>` **(** :ref:`int<class_int>` p_peer, :ref:`bool<class_bool>` p_force **)** |virtual| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`int<class_int>` | :ref:`_get_available_packet_count<class_MultiplayerPeerExtension_method__get_available_packet_count>` **(** **)** |virtual| |const| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`ConnectionStatus<enum_MultiplayerPeer_ConnectionStatus>` | :ref:`_get_connection_status<class_MultiplayerPeerExtension_method__get_connection_status>` **(** **)** |virtual| |const| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`int<class_int>` | :ref:`_get_max_packet_size<class_MultiplayerPeerExtension_method__get_max_packet_size>` **(** **)** |virtual| |const| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Error<enum_@GlobalScope_Error>` | :ref:`_get_packet<class_MultiplayerPeerExtension_method__get_packet>` **(** const uint8_t ** r_buffer, int32_t* r_buffer_size **)** |virtual| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`int<class_int>` | :ref:`_get_packet_channel<class_MultiplayerPeerExtension_method__get_packet_channel>` **(** **)** |virtual| |const| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`TransferMode<enum_MultiplayerPeer_TransferMode>` | :ref:`_get_packet_mode<class_MultiplayerPeerExtension_method__get_packet_mode>` **(** **)** |virtual| |const| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`int<class_int>` | :ref:`_get_packet_peer<class_MultiplayerPeerExtension_method__get_packet_peer>` **(** **)** |virtual| |const| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`PackedByteArray<class_PackedByteArray>` | :ref:`_get_packet_script<class_MultiplayerPeerExtension_method__get_packet_script>` **(** **)** |virtual| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`int<class_int>` | :ref:`_get_transfer_channel<class_MultiplayerPeerExtension_method__get_transfer_channel>` **(** **)** |virtual| |const| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`TransferMode<enum_MultiplayerPeer_TransferMode>` | :ref:`_get_transfer_mode<class_MultiplayerPeerExtension_method__get_transfer_mode>` **(** **)** |virtual| |const| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`int<class_int>` | :ref:`_get_unique_id<class_MultiplayerPeerExtension_method__get_unique_id>` **(** **)** |virtual| |const| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`_is_refusing_new_connections<class_MultiplayerPeerExtension_method__is_refusing_new_connections>` **(** **)** |virtual| |const| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`_is_server<class_MultiplayerPeerExtension_method__is_server>` **(** **)** |virtual| |const| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`_is_server_relay_supported<class_MultiplayerPeerExtension_method__is_server_relay_supported>` **(** **)** |virtual| |const| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void | :ref:`_poll<class_MultiplayerPeerExtension_method__poll>` **(** **)** |virtual| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Error<enum_@GlobalScope_Error>` | :ref:`_put_packet<class_MultiplayerPeerExtension_method__put_packet>` **(** const uint8_t* p_buffer, :ref:`int<class_int>` p_buffer_size **)** |virtual| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Error<enum_@GlobalScope_Error>` | :ref:`_put_packet_script<class_MultiplayerPeerExtension_method__put_packet_script>` **(** :ref:`PackedByteArray<class_PackedByteArray>` p_buffer **)** |virtual| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void | :ref:`_set_refuse_new_connections<class_MultiplayerPeerExtension_method__set_refuse_new_connections>` **(** :ref:`bool<class_bool>` p_enable **)** |virtual| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void | :ref:`_set_target_peer<class_MultiplayerPeerExtension_method__set_target_peer>` **(** :ref:`int<class_int>` p_peer **)** |virtual| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void | :ref:`_set_transfer_channel<class_MultiplayerPeerExtension_method__set_transfer_channel>` **(** :ref:`int<class_int>` p_channel **)** |virtual| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| void | :ref:`_set_transfer_mode<class_MultiplayerPeerExtension_method__set_transfer_mode>` **(** :ref:`TransferMode<enum_MultiplayerPeer_TransferMode>` p_mode **)** |virtual| |
+----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
Method Descriptions
-------------------
.. _class_MultiplayerPeerExtension_method__close:
.. rst-class:: classref-method
void **_close** **(** **)** |virtual|
Called when the multiplayer peer should be immediately closed (see :ref:`MultiplayerPeer.close<class_MultiplayerPeer_method_close>`).
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__disconnect_peer:
.. rst-class:: classref-method
void **_disconnect_peer** **(** :ref:`int<class_int>` p_peer, :ref:`bool<class_bool>` p_force **)** |virtual|
Called when the connected ``p_peer`` should be forcibly disconnected (see :ref:`MultiplayerPeer.disconnect_peer<class_MultiplayerPeer_method_disconnect_peer>`).
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__get_available_packet_count:
.. rst-class:: classref-method
:ref:`int<class_int>` **_get_available_packet_count** **(** **)** |virtual| |const|
Called when the available packet count is internally requested by the :ref:`MultiplayerAPI<class_MultiplayerAPI>`.
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__get_connection_status:
.. rst-class:: classref-method
:ref:`ConnectionStatus<enum_MultiplayerPeer_ConnectionStatus>` **_get_connection_status** **(** **)** |virtual| |const|
Called when the connection status is requested on the :ref:`MultiplayerPeer<class_MultiplayerPeer>` (see :ref:`MultiplayerPeer.get_connection_status<class_MultiplayerPeer_method_get_connection_status>`).
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__get_max_packet_size:
.. rst-class:: classref-method
:ref:`int<class_int>` **_get_max_packet_size** **(** **)** |virtual| |const|
Called when the maximum allowed packet size (in bytes) is requested by the :ref:`MultiplayerAPI<class_MultiplayerAPI>`.
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__get_packet:
.. rst-class:: classref-method
:ref:`Error<enum_@GlobalScope_Error>` **_get_packet** **(** const uint8_t ** r_buffer, int32_t* r_buffer_size **)** |virtual|
Called when a packet needs to be received by the :ref:`MultiplayerAPI<class_MultiplayerAPI>`, with ``r_buffer_size`` being the size of the binary ``r_buffer`` in bytes.
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__get_packet_channel:
.. rst-class:: classref-method
:ref:`int<class_int>` **_get_packet_channel** **(** **)** |virtual| |const|
Called to get the channel over which the next available packet was received. See :ref:`MultiplayerPeer.get_packet_channel<class_MultiplayerPeer_method_get_packet_channel>`.
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__get_packet_mode:
.. rst-class:: classref-method
:ref:`TransferMode<enum_MultiplayerPeer_TransferMode>` **_get_packet_mode** **(** **)** |virtual| |const|
Called to get the :ref:`TransferMode<enum_MultiplayerPeer_TransferMode>` the remote peer used to send the next available packet. See :ref:`MultiplayerPeer.get_packet_mode<class_MultiplayerPeer_method_get_packet_mode>`.
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__get_packet_peer:
.. rst-class:: classref-method
:ref:`int<class_int>` **_get_packet_peer** **(** **)** |virtual| |const|
Called when the ID of the :ref:`MultiplayerPeer<class_MultiplayerPeer>` who sent the most recent packet is requested (see :ref:`MultiplayerPeer.get_packet_peer<class_MultiplayerPeer_method_get_packet_peer>`).
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__get_packet_script:
.. rst-class:: classref-method
:ref:`PackedByteArray<class_PackedByteArray>` **_get_packet_script** **(** **)** |virtual|
Called when a packet needs to be received by the :ref:`MultiplayerAPI<class_MultiplayerAPI>`, if :ref:`_get_packet<class_MultiplayerPeerExtension_method__get_packet>` isn't implemented. Use this when extending this class via GDScript.
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__get_transfer_channel:
.. rst-class:: classref-method
:ref:`int<class_int>` **_get_transfer_channel** **(** **)** |virtual| |const|
Called when the transfer channel to use is read on this :ref:`MultiplayerPeer<class_MultiplayerPeer>` (see :ref:`MultiplayerPeer.transfer_channel<class_MultiplayerPeer_property_transfer_channel>`).
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__get_transfer_mode:
.. rst-class:: classref-method
:ref:`TransferMode<enum_MultiplayerPeer_TransferMode>` **_get_transfer_mode** **(** **)** |virtual| |const|
Called when the transfer mode to use is read on this :ref:`MultiplayerPeer<class_MultiplayerPeer>` (see :ref:`MultiplayerPeer.transfer_mode<class_MultiplayerPeer_property_transfer_mode>`).
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__get_unique_id:
.. rst-class:: classref-method
:ref:`int<class_int>` **_get_unique_id** **(** **)** |virtual| |const|
Called when the unique ID of this :ref:`MultiplayerPeer<class_MultiplayerPeer>` is requested (see :ref:`MultiplayerPeer.get_unique_id<class_MultiplayerPeer_method_get_unique_id>`). The value must be between ``1`` and ``2147483647``.
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__is_refusing_new_connections:
.. rst-class:: classref-method
:ref:`bool<class_bool>` **_is_refusing_new_connections** **(** **)** |virtual| |const|
Called when the "refuse new connections" status is requested on this :ref:`MultiplayerPeer<class_MultiplayerPeer>` (see :ref:`MultiplayerPeer.refuse_new_connections<class_MultiplayerPeer_property_refuse_new_connections>`).
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__is_server:
.. rst-class:: classref-method
:ref:`bool<class_bool>` **_is_server** **(** **)** |virtual| |const|
Called when the "is server" status is requested on the :ref:`MultiplayerAPI<class_MultiplayerAPI>`. See :ref:`MultiplayerAPI.is_server<class_MultiplayerAPI_method_is_server>`.
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__is_server_relay_supported:
.. rst-class:: classref-method
:ref:`bool<class_bool>` **_is_server_relay_supported** **(** **)** |virtual| |const|
Called to check if the server can act as a relay in the current configuration. See :ref:`MultiplayerPeer.is_server_relay_supported<class_MultiplayerPeer_method_is_server_relay_supported>`.
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__poll:
.. rst-class:: classref-method
void **_poll** **(** **)** |virtual|
Called when the :ref:`MultiplayerAPI<class_MultiplayerAPI>` is polled. See :ref:`MultiplayerAPI.poll<class_MultiplayerAPI_method_poll>`.
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__put_packet:
.. rst-class:: classref-method
:ref:`Error<enum_@GlobalScope_Error>` **_put_packet** **(** const uint8_t* p_buffer, :ref:`int<class_int>` p_buffer_size **)** |virtual|
Called when a packet needs to be sent by the :ref:`MultiplayerAPI<class_MultiplayerAPI>`, with ``p_buffer_size`` being the size of the binary ``p_buffer`` in bytes.
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__put_packet_script:
.. rst-class:: classref-method
:ref:`Error<enum_@GlobalScope_Error>` **_put_packet_script** **(** :ref:`PackedByteArray<class_PackedByteArray>` p_buffer **)** |virtual|
Called when a packet needs to be sent by the :ref:`MultiplayerAPI<class_MultiplayerAPI>`, if :ref:`_put_packet<class_MultiplayerPeerExtension_method__put_packet>` isn't implemented. Use this when extending this class via GDScript.
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__set_refuse_new_connections:
.. rst-class:: classref-method
void **_set_refuse_new_connections** **(** :ref:`bool<class_bool>` p_enable **)** |virtual|
Called when the "refuse new connections" status is set on this :ref:`MultiplayerPeer<class_MultiplayerPeer>` (see :ref:`MultiplayerPeer.refuse_new_connections<class_MultiplayerPeer_property_refuse_new_connections>`).
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__set_target_peer:
.. rst-class:: classref-method
void **_set_target_peer** **(** :ref:`int<class_int>` p_peer **)** |virtual|
Called when the target peer to use is set for this :ref:`MultiplayerPeer<class_MultiplayerPeer>` (see :ref:`MultiplayerPeer.set_target_peer<class_MultiplayerPeer_method_set_target_peer>`).
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__set_transfer_channel:
.. rst-class:: classref-method
void **_set_transfer_channel** **(** :ref:`int<class_int>` p_channel **)** |virtual|
Called when the channel to use is set for this :ref:`MultiplayerPeer<class_MultiplayerPeer>` (see :ref:`MultiplayerPeer.transfer_channel<class_MultiplayerPeer_property_transfer_channel>`).
.. rst-class:: classref-item-separator
----
.. _class_MultiplayerPeerExtension_method__set_transfer_mode:
.. rst-class:: classref-method
void **_set_transfer_mode** **(** :ref:`TransferMode<enum_MultiplayerPeer_TransferMode>` p_mode **)** |virtual|
Called when the transfer mode is set on this :ref:`MultiplayerPeer<class_MultiplayerPeer>` (see :ref:`MultiplayerPeer.transfer_mode<class_MultiplayerPeer_property_transfer_mode>`).
.. |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.)`
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