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173 lines
14 KiB
ReStructuredText
173 lines
14 KiB
ReStructuredText
:github_url: hide
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.. _class_ENetMultiplayerPeer:
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ENetMultiplayerPeer
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===================
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**繼承:** :ref:`MultiplayerPeer<class_MultiplayerPeer>` **<** :ref:`PacketPeer<class_PacketPeer>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
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使用 `ENet <http://enet.bespin.org/index.html>`__ 庫實作的 MultiplayerPeer。
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.. rst-class:: classref-introduction-group
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說明
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----
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MultiplayerPeer 的一種實作,應該在初始化為使用者端、伺服器或網格之後傳遞給 :ref:`MultiplayerAPI.multiplayer_peer<class_MultiplayerAPI_property_multiplayer_peer>`\ 。然後就可以通過連接到 :ref:`MultiplayerAPI<class_MultiplayerAPI>` 的訊號來處理事件。有關 ENet 庫包裝的更多資訊,請參見 :ref:`ENetConnection<class_ENetConnection>`\ 。
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\ **注意:**\ ENet 僅使用 UDP,不使用 TCP。當你想要將伺服器埠轉發到公共互聯網上以便讓伺服器可以被存取時,只需要轉發 UDP 伺服器埠即可。可以使用 :ref:`UPNP<class_UPNP>` 類嘗試在啟動伺服器時自動轉發伺服器埠。
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.. rst-class:: classref-introduction-group
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教學
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----
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- :doc:`高級多人遊戲 <../tutorials/networking/high_level_multiplayer>`
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- `ENet 網站上的 API 文件 <http://enet.bespin.org/usergroup0.html>`__
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.. rst-class:: classref-reftable-group
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屬性
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----
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.. table::
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:widths: auto
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+---------------------------------------------+------------------------------------------------------+
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| :ref:`ENetConnection<class_ENetConnection>` | :ref:`host<class_ENetMultiplayerPeer_property_host>` |
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+---------------------------------------------+------------------------------------------------------+
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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_mesh_peer<class_ENetMultiplayerPeer_method_add_mesh_peer>`\ (\ peer_id\: :ref:`int<class_int>`, host\: :ref:`ENetConnection<class_ENetConnection>`\ ) |
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+---------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Error<enum_@GlobalScope_Error>` | :ref:`create_client<class_ENetMultiplayerPeer_method_create_client>`\ (\ address\: :ref:`String<class_String>`, port\: :ref:`int<class_int>`, channel_count\: :ref:`int<class_int>` = 0, in_bandwidth\: :ref:`int<class_int>` = 0, out_bandwidth\: :ref:`int<class_int>` = 0, local_port\: :ref:`int<class_int>` = 0\ ) |
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+---------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Error<enum_@GlobalScope_Error>` | :ref:`create_mesh<class_ENetMultiplayerPeer_method_create_mesh>`\ (\ unique_id\: :ref:`int<class_int>`\ ) |
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+---------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Error<enum_@GlobalScope_Error>` | :ref:`create_server<class_ENetMultiplayerPeer_method_create_server>`\ (\ port\: :ref:`int<class_int>`, max_clients\: :ref:`int<class_int>` = 32, max_channels\: :ref:`int<class_int>` = 0, in_bandwidth\: :ref:`int<class_int>` = 0, out_bandwidth\: :ref:`int<class_int>` = 0\ ) |
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+---------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`ENetPacketPeer<class_ENetPacketPeer>` | :ref:`get_peer<class_ENetMultiplayerPeer_method_get_peer>`\ (\ id\: :ref:`int<class_int>`\ ) |const| |
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+---------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`set_bind_ip<class_ENetMultiplayerPeer_method_set_bind_ip>`\ (\ ip\: :ref:`String<class_String>`\ ) |
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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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屬性說明
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--------
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.. _class_ENetMultiplayerPeer_property_host:
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.. rst-class:: classref-property
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:ref:`ENetConnection<class_ENetConnection>` **host** :ref:`🔗<class_ENetMultiplayerPeer_property_host>`
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.. rst-class:: classref-property-setget
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- :ref:`ENetConnection<class_ENetConnection>` **get_host**\ (\ )
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在 :ref:`create_client()<class_ENetMultiplayerPeer_method_create_client>` 和 :ref:`create_server()<class_ENetMultiplayerPeer_method_create_server>` 之後,建立的底層 :ref:`ENetConnection<class_ENetConnection>`\ 。
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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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方法說明
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--------
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.. _class_ENetMultiplayerPeer_method_add_mesh_peer:
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.. rst-class:: classref-method
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:ref:`Error<enum_@GlobalScope_Error>` **add_mesh_peer**\ (\ peer_id\: :ref:`int<class_int>`, host\: :ref:`ENetConnection<class_ENetConnection>`\ ) :ref:`🔗<class_ENetMultiplayerPeer_method_add_mesh_peer>`
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使用給定的 ``peer_id`` 新增一個新的遠端對等體,並將其連接到給定的 ``host``\ 。
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\ **注意:**\ ``host`` 必須只有一個處於 :ref:`ENetPacketPeer.STATE_CONNECTED<class_ENetPacketPeer_constant_STATE_CONNECTED>` 狀態的對等體。
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.. rst-class:: classref-item-separator
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----
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.. _class_ENetMultiplayerPeer_method_create_client:
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.. rst-class:: classref-method
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:ref:`Error<enum_@GlobalScope_Error>` **create_client**\ (\ address\: :ref:`String<class_String>`, port\: :ref:`int<class_int>`, channel_count\: :ref:`int<class_int>` = 0, in_bandwidth\: :ref:`int<class_int>` = 0, out_bandwidth\: :ref:`int<class_int>` = 0, local_port\: :ref:`int<class_int>` = 0\ ) :ref:`🔗<class_ENetMultiplayerPeer_method_create_client>`
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建立使用者端,該使用者端使用指定的 ``port`` 連接到位於 ``address`` 的服務器。給定的位址必須是完全限定的功能變數名稱(例如 ``"www.example.com"``\ ),或 IPv4 或 IPv6 格式的 IP 地址(例如 ``"192.168.1.1"``\ )。\ ``port`` 是伺服器監聽的埠。\ ``channel_count`` 參數可用於指定為連接分配的 ENet 通道數。\ ``in_bandwidth`` 和 ``out_bandwidth`` 參數可用於將傳入和傳出頻寬限制為給定的每秒位元組數。預設值 0 表示無限制的頻寬。請注意,ENet 將對在對等體之間的連接的特定端,策略性地丟棄封包,以確保對等體的頻寬不會被淹沒。頻寬參數還決定了連接的視窗大小,它限制了在任何給定時間可能正在傳輸的可靠封包的數量。如果建立了一個使用者端,則返回 :ref:`@GlobalScope.OK<class_@GlobalScope_constant_OK>`\ ;如果該 ENetMultiplayerPeer 實例已經有一個打開的連接(在這種情況下,需要先呼叫 :ref:`MultiplayerPeer.close()<class_MultiplayerPeer_method_close>`\ ),則返回 :ref:`@GlobalScope.ERR_ALREADY_IN_USE<class_@GlobalScope_constant_ERR_ALREADY_IN_USE>`\ ;如果不能被建立使用者端,則返回 :ref:`@GlobalScope.ERR_CANT_CREATE<class_@GlobalScope_constant_ERR_CANT_CREATE>`\ 。如果指定了 ``local_port``\ ,使用者端也會監聽給定的埠;這對一些 NAT 穿越技術很有用。
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.. rst-class:: classref-item-separator
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----
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.. _class_ENetMultiplayerPeer_method_create_mesh:
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.. rst-class:: classref-method
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:ref:`Error<enum_@GlobalScope_Error>` **create_mesh**\ (\ unique_id\: :ref:`int<class_int>`\ ) :ref:`🔗<class_ENetMultiplayerPeer_method_create_mesh>`
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在網格網路模式下初始化該 :ref:`MultiplayerPeer<class_MultiplayerPeer>`\ 。提供的 ``unique_id`` 一旦被分配為 :ref:`MultiplayerAPI.multiplayer_peer<class_MultiplayerAPI_property_multiplayer_peer>`\ ,就將被用作本地對等體的網路唯一 ID。在網格網路配置中,需要在呼叫 :ref:`add_mesh_peer()<class_ENetMultiplayerPeer_method_add_mesh_peer>` 之前,使用 :ref:`ENetConnection<class_ENetConnection>` 手動設定每個新的對等體。這種技術更先進,它可以更好地控制連接過程(例如,在處理 NAT 穿透時),並更好地分配網路負載(否則會給伺服器帶來更大的負擔)。
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.. rst-class:: classref-item-separator
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----
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.. _class_ENetMultiplayerPeer_method_create_server:
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.. rst-class:: classref-method
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:ref:`Error<enum_@GlobalScope_Error>` **create_server**\ (\ port\: :ref:`int<class_int>`, max_clients\: :ref:`int<class_int>` = 32, max_channels\: :ref:`int<class_int>` = 0, in_bandwidth\: :ref:`int<class_int>` = 0, out_bandwidth\: :ref:`int<class_int>` = 0\ ) :ref:`🔗<class_ENetMultiplayerPeer_method_create_server>`
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建立通過 ``port`` 監聽連接的伺服器。該埠需要是一個介於 0 到 65535 之間的可用且未被使用的埠。請注意,低於 1024 的埠是特權埠,可能需要提升權限,具體取決於平臺。要更改伺服器監聽的介面,請使用 :ref:`set_bind_ip()<class_ENetMultiplayerPeer_method_set_bind_ip>`\ 。默認 IP 是萬用字元 ``"*"``\ ,它會監聽所有可用的介面。\ ``max_clients`` 是同時允許的最大使用者端數,可以使用最大可達 4095 的任何數位,儘管可實作的同時使用者端數可能要低得多,並且取決於套用程式。有關頻寬參數的其他詳細信息,請參閱 :ref:`create_client()<class_ENetMultiplayerPeer_method_create_client>`\ 。如果伺服器被建立,則返回 :ref:`@GlobalScope.OK<class_@GlobalScope_constant_OK>`\ ;如果該 ENetMultiplayerPeer 實例已經有一個打開的連接(在這種情況下,需要先調用 :ref:`MultiplayerPeer.close()<class_MultiplayerPeer_method_close>`\ ),則返回 :ref:`@GlobalScope.ERR_ALREADY_IN_USE<class_@GlobalScope_constant_ERR_ALREADY_IN_USE>`\ ;如果伺服器不能被建立,則返回 :ref:`@GlobalScope.ERR_CANT_CREATE<class_@GlobalScope_constant_ERR_CANT_CREATE>`\ 。
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.. rst-class:: classref-item-separator
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----
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.. _class_ENetMultiplayerPeer_method_get_peer:
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.. rst-class:: classref-method
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:ref:`ENetPacketPeer<class_ENetPacketPeer>` **get_peer**\ (\ id\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_ENetMultiplayerPeer_method_get_peer>`
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返回與給定 ``id`` 關聯的 :ref:`ENetPacketPeer<class_ENetPacketPeer>`\ 。
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.. rst-class:: classref-item-separator
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----
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.. _class_ENetMultiplayerPeer_method_set_bind_ip:
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.. rst-class:: classref-method
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|void| **set_bind_ip**\ (\ ip\: :ref:`String<class_String>`\ ) :ref:`🔗<class_ENetMultiplayerPeer_method_set_bind_ip>`
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建立伺服器時使用的 IP。預設情況下,這被設定為萬用字元 ``"*"``\ ,它綁定到所有可用的介面。給定的 IP 位址格式需要是 IPv4 或 IPv6,例如:\ ``"192.168.1.1"``\ 。
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.. |virtual| replace:: :abbr:`virtual (本方法通常需要使用者覆寫才能生效。)`
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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 (本方法沒有副作用。不會修改該實例的任何成員變數。)`
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.. |vararg| replace:: :abbr:`vararg (本方法除了這裡描述的參數外,還可以接受任意數量的參數。)`
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.. |constructor| replace:: :abbr:`constructor (本方法用於建構一個型別。)`
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.. |static| replace:: :abbr:`static (本方法無需實例即可呼叫,因此可以直接使用類別名稱呼叫。)`
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.. |operator| replace:: :abbr:`operator (本方法描述將本型別作為左運算元時可用的有效運算子。)`
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.. |bitfield| replace:: :abbr:`BitField (此值是由下列旗標組成的位元遮罩整數。)`
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.. |void| replace:: :abbr:`void (無回傳值。)`
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