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167 lines
12 KiB
ReStructuredText
167 lines
12 KiB
ReStructuredText
:github_url: hide
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.. _class_WebRTCMultiplayerPeer:
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WebRTCMultiplayerPeer
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=====================
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**继承:** :ref:`MultiplayerPeer<class_MultiplayerPeer>` **<** :ref:`PacketPeer<class_PacketPeer>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
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简单的接口,用于创建由 :ref:`WebRTCPeerConnection<class_WebRTCPeerConnection>` 组成的点对点网状网络,与 :ref:`MultiplayerAPI<class_MultiplayerAPI>` 兼容。
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.. rst-class:: classref-introduction-group
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描述
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----
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这个类构建了一个完整的 :ref:`WebRTCPeerConnection<class_WebRTCPeerConnection>` 网状结构(每个对等体有一个连接),可用作 :ref:`MultiplayerAPI.multiplayer_peer<class_MultiplayerAPI_property_multiplayer_peer>`\ 。
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可以通过 :ref:`add_peer()<class_WebRTCMultiplayerPeer_method_add_peer>` 添加每个 :ref:`WebRTCPeerConnection<class_WebRTCPeerConnection>`\ ,或通过 :ref:`remove_peer()<class_WebRTCMultiplayerPeer_method_remove_peer>` 移除它们。必须在 :ref:`WebRTCPeerConnection.STATE_NEW<class_WebRTCPeerConnection_constant_STATE_NEW>` 状态下添加对等体,以允许它创建适当的通道。这个类不会创建提交或设置描述,它只会轮询它们,并通知连接和断开连接。
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当通过 :ref:`create_client()<class_WebRTCMultiplayerPeer_method_create_client>` 或 :ref:`create_server()<class_WebRTCMultiplayerPeer_method_create_server>` 创建对等体时, :ref:`MultiplayerPeer.is_server_relay_supported()<class_MultiplayerPeer_method_is_server_relay_supported>` 方法将返回 ``true``\ ,在 :ref:`MultiplayerAPI<class_MultiplayerAPI>` 实现支持时启用对等体交换和数据包中继。
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\ **注意:**\ 导出到 Android 时,在导出项目或使用一键部署前,请确保在 Android 导出预设中启用了 ``INTERNET`` 权限。否则,任何类型的网络通信都将被 Android 阻止。
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.. rst-class:: classref-reftable-group
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方法
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----
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.. table::
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:widths: auto
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+---------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Error<enum_@GlobalScope_Error>` | :ref:`add_peer<class_WebRTCMultiplayerPeer_method_add_peer>`\ (\ peer\: :ref:`WebRTCPeerConnection<class_WebRTCPeerConnection>`, peer_id\: :ref:`int<class_int>`, unreliable_lifetime\: :ref:`int<class_int>` = 1\ ) |
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+---------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Error<enum_@GlobalScope_Error>` | :ref:`create_client<class_WebRTCMultiplayerPeer_method_create_client>`\ (\ peer_id\: :ref:`int<class_int>`, channels_config\: :ref:`Array<class_Array>` = []\ ) |
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+---------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Error<enum_@GlobalScope_Error>` | :ref:`create_mesh<class_WebRTCMultiplayerPeer_method_create_mesh>`\ (\ peer_id\: :ref:`int<class_int>`, channels_config\: :ref:`Array<class_Array>` = []\ ) |
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+---------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Error<enum_@GlobalScope_Error>` | :ref:`create_server<class_WebRTCMultiplayerPeer_method_create_server>`\ (\ channels_config\: :ref:`Array<class_Array>` = []\ ) |
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+---------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Dictionary<class_Dictionary>` | :ref:`get_peer<class_WebRTCMultiplayerPeer_method_get_peer>`\ (\ peer_id\: :ref:`int<class_int>`\ ) |
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+---------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Dictionary<class_Dictionary>` | :ref:`get_peers<class_WebRTCMultiplayerPeer_method_get_peers>`\ (\ ) |
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+---------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | :ref:`has_peer<class_WebRTCMultiplayerPeer_method_has_peer>`\ (\ peer_id\: :ref:`int<class_int>`\ ) |
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+---------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`remove_peer<class_WebRTCMultiplayerPeer_method_remove_peer>`\ (\ peer_id\: :ref:`int<class_int>`\ ) |
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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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方法说明
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--------
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.. _class_WebRTCMultiplayerPeer_method_add_peer:
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.. rst-class:: classref-method
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:ref:`Error<enum_@GlobalScope_Error>` **add_peer**\ (\ peer\: :ref:`WebRTCPeerConnection<class_WebRTCPeerConnection>`, peer_id\: :ref:`int<class_int>`, unreliable_lifetime\: :ref:`int<class_int>` = 1\ ) :ref:`🔗<class_WebRTCMultiplayerPeer_method_add_peer>`
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以给定的 ``peer_id`` 添加一个新的对等体到网状结构。该 :ref:`WebRTCPeerConnection<class_WebRTCPeerConnection>` 必须处于 :ref:`WebRTCPeerConnection.STATE_NEW<class_WebRTCPeerConnection_constant_STATE_NEW>` 状态。
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将为可靠的、不可靠的和有序的传输创建三个通道。在创建不可靠和有序通道时,\ ``unreliable_lifetime`` 的值将被传递给 ``"maxPacketLifetime"``\ 选项(见 :ref:`WebRTCPeerConnection.create_data_channel()<class_WebRTCPeerConnection_method_create_data_channel>`\ )。
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.. rst-class:: classref-item-separator
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----
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.. _class_WebRTCMultiplayerPeer_method_create_client:
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.. rst-class:: classref-method
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:ref:`Error<enum_@GlobalScope_Error>` **create_client**\ (\ peer_id\: :ref:`int<class_int>`, channels_config\: :ref:`Array<class_Array>` = []\ ) :ref:`🔗<class_WebRTCMultiplayerPeer_method_create_client>`
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将多人游戏对等体初始化为客户端,对等体 ID 为 ``peer_id``\ (必须在 2 和 2147483647 之间)。在这种模式下,你应当只调用 :ref:`add_peer()<class_WebRTCMultiplayerPeer_method_add_peer>` 一次,使用 ``1`` 作为 ``peer_id``\ 。这种模式会启用 :ref:`MultiplayerPeer.is_server_relay_supported()<class_MultiplayerPeer_method_is_server_relay_supported>`\ ,允许上层 :ref:`MultiplayerAPI<class_MultiplayerAPI>` 执行对等体交换和数据包接力。
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你也可以指定 ``channels_config`` 数组,数组中的元素为 :ref:`TransferMode<enum_MultiplayerPeer_TransferMode>`\ ,会用于创建额外的通道(WebRTC 的每个通道仅支持一种传输模式)。
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.. rst-class:: classref-item-separator
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----
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.. _class_WebRTCMultiplayerPeer_method_create_mesh:
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.. rst-class:: classref-method
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:ref:`Error<enum_@GlobalScope_Error>` **create_mesh**\ (\ peer_id\: :ref:`int<class_int>`, channels_config\: :ref:`Array<class_Array>` = []\ ) :ref:`🔗<class_WebRTCMultiplayerPeer_method_create_mesh>`
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将多人游戏对等体初始化为网状(即所有对等体都互相连接),对等体 ID 为 ``peer_id``\ (必须在 1 和 2147483647 之间)。
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.. rst-class:: classref-item-separator
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----
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.. _class_WebRTCMultiplayerPeer_method_create_server:
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.. rst-class:: classref-method
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:ref:`Error<enum_@GlobalScope_Error>` **create_server**\ (\ channels_config\: :ref:`Array<class_Array>` = []\ ) :ref:`🔗<class_WebRTCMultiplayerPeer_method_create_server>`
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将多人游戏对等体作为服务器进行初始化(唯一 ID 为 ``1``\ )。这种模式会启用 :ref:`MultiplayerPeer.is_server_relay_supported()<class_MultiplayerPeer_method_is_server_relay_supported>`\ ,允许上层 :ref:`MultiplayerAPI<class_MultiplayerAPI>` 执行对等体交换和数据包接力。
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你也可以指定 ``channels_config`` 数组,数组中的元素为 :ref:`TransferMode<enum_MultiplayerPeer_TransferMode>`\ ,会用于创建额外的通道(WebRTC 的每个通道仅支持一种传输模式)。
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.. rst-class:: classref-item-separator
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----
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.. _class_WebRTCMultiplayerPeer_method_get_peer:
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.. rst-class:: classref-method
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:ref:`Dictionary<class_Dictionary>` **get_peer**\ (\ peer_id\: :ref:`int<class_int>`\ ) :ref:`🔗<class_WebRTCMultiplayerPeer_method_get_peer>`
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返回 ID 为 ``peer_id`` 的对等体的字典表示,其中包含三个字段。\ ``"connection"`` 包含与这个对等体的 :ref:`WebRTCPeerConnection<class_WebRTCPeerConnection>`\ ,\ ``"channels"`` 是三个 :ref:`WebRTCDataChannel<class_WebRTCDataChannel>` 的数组,而 ``"connected"`` 则是代表对等体目前是否已连接的布尔值(三个通道均已开放)。
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.. rst-class:: classref-item-separator
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----
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.. _class_WebRTCMultiplayerPeer_method_get_peers:
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.. rst-class:: classref-method
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:ref:`Dictionary<class_Dictionary>` **get_peers**\ (\ ) :ref:`🔗<class_WebRTCMultiplayerPeer_method_get_peers>`
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返回一个字典,其键是对等体的 id,其值是对等体的表示,如 :ref:`get_peer()<class_WebRTCMultiplayerPeer_method_get_peer>`\ 。
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.. rst-class:: classref-item-separator
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----
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.. _class_WebRTCMultiplayerPeer_method_has_peer:
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.. rst-class:: classref-method
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:ref:`bool<class_bool>` **has_peer**\ (\ peer_id\: :ref:`int<class_int>`\ ) :ref:`🔗<class_WebRTCMultiplayerPeer_method_has_peer>`
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如果给定的 ``peer_id`` 在对等体映射中,则返回 ``true``\ (尽管它可能没有连接)。
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.. rst-class:: classref-item-separator
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----
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.. _class_WebRTCMultiplayerPeer_method_remove_peer:
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.. rst-class:: classref-method
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|void| **remove_peer**\ (\ peer_id\: :ref:`int<class_int>`\ ) :ref:`🔗<class_WebRTCMultiplayerPeer_method_remove_peer>`
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从 mesh 结构中移除具有给定 ``peer_id`` 的对等体。如果该对等体已连接,并且为它发出过 :ref:`MultiplayerPeer.peer_connected<class_MultiplayerPeer_signal_peer_connected>`\ ,那么 :ref:`MultiplayerPeer.peer_disconnected<class_MultiplayerPeer_signal_peer_disconnected>` 也将被发出。
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.. |virtual| replace:: :abbr:`virtual (本方法通常需要用户覆盖才能生效。)`
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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 (本方法无副作用,不会修改该实例的任何成员变量。)`
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.. |vararg| replace:: :abbr:`vararg (本方法除了能接受在此处描述的参数外,还能够继续接受任意数量的参数。)`
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.. |constructor| replace:: :abbr:`constructor (本方法用于构造某个类型。)`
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.. |static| replace:: :abbr:`static (调用本方法无需实例,可直接使用类名进行调用。)`
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.. |operator| replace:: :abbr:`operator (本方法描述的是使用本类型作为左操作数的有效运算符。)`
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.. |bitfield| replace:: :abbr:`BitField (这个值是由下列位标志构成位掩码的整数。)`
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.. |void| replace:: :abbr:`void (无返回值。)`
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