139 lines
8.7 KiB
XML
139 lines
8.7 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="NetworkedMultiplayerENet" inherits="NetworkedMultiplayerPeer" category="Core" version="3.2">
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<brief_description>
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PacketPeer implementation using the [url=http://enet.bespin.org/index.html]ENet[/url] library.
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</brief_description>
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<description>
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A PacketPeer implementation that should be passed to [member SceneTree.network_peer] after being initialized as either a client or server. Events can then be handled by connecting to [SceneTree] signals.
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</description>
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<tutorials>
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<link>https://docs.godotengine.org/en/latest/tutorials/networking/high_level_multiplayer.html</link>
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<link>http://enet.bespin.org/usergroup0.html</link>
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</tutorials>
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<methods>
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<method name="close_connection">
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<return type="void">
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</return>
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<argument index="0" name="wait_usec" type="int" default="100">
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</argument>
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<description>
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Closes the connection. Ignored if no connection is currently established. If this is a server it tries to notify all clients before forcibly disconnecting them. If this is a client it simply closes the connection to the server.
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</description>
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</method>
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<method name="create_client">
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<return type="int" enum="Error">
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</return>
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<argument index="0" name="address" type="String">
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</argument>
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<argument index="1" name="port" type="int">
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</argument>
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<argument index="2" name="in_bandwidth" type="int" default="0">
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</argument>
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<argument index="3" name="out_bandwidth" type="int" default="0">
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</argument>
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<argument index="4" name="client_port" type="int" default="0">
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</argument>
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<description>
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Create client that connects to a server at [code]address[/code] using specified [code]port[/code]. The given address needs to be either a fully qualified domain name (e.g. [code]"www.example.com"[/code]) or an IP address in IPv4 or IPv6 format (e.g. [code]"192.168.1.1"[/code]). The [code]port[/code] is the port the server is listening on. The [code]in_bandwidth[/code] and [code]out_bandwidth[/code] parameters can be used to limit the incoming and outgoing bandwidth to the given number of bytes per second. The default of 0 means unlimited bandwidth. Note that ENet will strategically drop packets on specific sides of a connection between peers to ensure the peer's bandwidth is not overwhelmed. The bandwidth parameters also determine the window size of a connection which limits the amount of reliable packets that may be in transit at any given time. Returns [constant OK] if a client was created, [constant ERR_ALREADY_IN_USE] if this NetworkedMultiplayerENet instance already has an open connection (in which case you need to call [method close_connection] first) or [constant ERR_CANT_CREATE] if the client could not be created. If [code]client_port[/code] is specified, the client will also listen to the given port; this is useful for some NAT traversal techniques.
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</description>
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</method>
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<method name="create_server">
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<return type="int" enum="Error">
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</return>
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<argument index="0" name="port" type="int">
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</argument>
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<argument index="1" name="max_clients" type="int" default="32">
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</argument>
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<argument index="2" name="in_bandwidth" type="int" default="0">
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</argument>
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<argument index="3" name="out_bandwidth" type="int" default="0">
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</argument>
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<description>
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Create server that listens to connections via [code]port[/code]. The port needs to be an available, unused port between 0 and 65535. Note that ports below 1024 are privileged and may require elevated permissions depending on the platform. To change the interface the server listens on, use [method set_bind_ip]. The default IP is the wildcard [code]"*"[/code], which listens on all available interfaces. [code]max_clients[/code] is the maximum number of clients that are allowed at once, any number up to 4096 may be used, although the achievable number of simultaneous clients may be far lower and depends on the application. For additional details on the bandwidth parameters, see [method create_client]. Returns [constant OK] if a server was created, [constant ERR_ALREADY_IN_USE] if this NetworkedMultiplayerENet instance already has an open connection (in which case you need to call [method close_connection] first) or [constant ERR_CANT_CREATE] if the server could not be created.
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</description>
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</method>
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<method name="disconnect_peer">
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<return type="void">
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</return>
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<argument index="0" name="id" type="int">
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</argument>
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<argument index="1" name="now" type="bool" default="false">
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</argument>
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<description>
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Disconnect the given peer. If "now" is set to [code]true[/code], the connection will be closed immediately without flushing queued messages.
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</description>
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</method>
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<method name="get_last_packet_channel" qualifiers="const">
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<return type="int">
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</return>
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<description>
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Returns the channel of the last packet fetched via [method PacketPeer.get_packet]
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</description>
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</method>
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<method name="get_packet_channel" qualifiers="const">
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<return type="int">
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</return>
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<description>
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Returns the channel of the next packet that will be retrieved via [method PacketPeer.get_packet]
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</description>
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</method>
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<method name="get_peer_address" qualifiers="const">
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<return type="String">
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</return>
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<argument index="0" name="id" type="int">
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</argument>
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<description>
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Returns the IP address of the given peer.
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</description>
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</method>
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<method name="get_peer_port" qualifiers="const">
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<return type="int">
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</return>
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<argument index="0" name="id" type="int">
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</argument>
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<description>
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Returns the remote port of the given peer.
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</description>
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</method>
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<method name="set_bind_ip">
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<return type="void">
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</return>
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<argument index="0" name="ip" type="String">
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</argument>
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<description>
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The IP used when creating a server. This is set to the wildcard [code]"*"[/code] by default, which binds to all available interfaces. The given IP needs to be in IPv4 or IPv6 address format, for example: [code]"192.168.1.1"[/code].
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</description>
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</method>
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</methods>
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<members>
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<member name="always_ordered" type="bool" setter="set_always_ordered" getter="is_always_ordered" default="false">
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Enforce ordered packets when using [constant NetworkedMultiplayerPeer.TRANSFER_MODE_UNRELIABLE] (thus behaving similarly to [constant NetworkedMultiplayerPeer.TRANSFER_MODE_UNRELIABLE_ORDERED]). This is the only way to use ordering with the RPC system.
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</member>
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<member name="channel_count" type="int" setter="set_channel_count" getter="get_channel_count" default="3">
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The number of channels to be used by ENet. Default: [code]3[/code]. Channels are used to separate different kinds of data. In reliable or ordered mode, for example, the packet delivery order is ensured on a per channel basis.
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</member>
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<member name="compression_mode" type="int" setter="set_compression_mode" getter="get_compression_mode" enum="NetworkedMultiplayerENet.CompressionMode" default="0">
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The compression method used for network packets. These have different tradeoffs of compression speed versus bandwidth, you may need to test which one works best for your use case if you use compression at all. Default value: [constant COMPRESS_NONE].
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</member>
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<member name="transfer_channel" type="int" setter="set_transfer_channel" getter="get_transfer_channel" default="-1">
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Set the default channel to be used to transfer data. By default, this value is [code]-1[/code] which means that ENet will only use 2 channels, one for reliable and one for unreliable packets. Channel [code]0[/code] is reserved, and cannot be used. Setting this member to any value between [code]0[/code] and [member channel_count] (excluded) will force ENet to use that channel for sending data.
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</member>
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</members>
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<constants>
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<constant name="COMPRESS_NONE" value="0" enum="CompressionMode">
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No compression. This uses the most bandwidth, but has the upside of requiring the fewest CPU resources.
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</constant>
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<constant name="COMPRESS_RANGE_CODER" value="1" enum="CompressionMode">
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ENet's built-in range encoding.
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</constant>
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<constant name="COMPRESS_FASTLZ" value="2" enum="CompressionMode">
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[url=http://fastlz.org/]FastLZ[/url] compression. This option uses less CPU resources compared to [constant COMPRESS_ZLIB], at the expense of using more bandwidth.
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</constant>
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<constant name="COMPRESS_ZLIB" value="3" enum="CompressionMode">
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[url=https://www.zlib.net/]Zlib[/url] compression. This option uses less bandwidth compared to [constant COMPRESS_FASTLZ], at the expense of using more CPU resources.
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</constant>
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<constant name="COMPRESS_ZSTD" value="4" enum="CompressionMode">
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[url=https://facebook.github.io/zstd/]Zstandard[/url] compression.
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</constant>
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</constants>
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</class>
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