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Merge pull request #78711 from groud/explain_rpc

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Explain a bit more RPCs options
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Rémi Verschelde 2023-06-27 23:01:24 +02:00 committed by GitHub
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2 changed files with 6 additions and 6 deletions
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4
doc/classes/Callable.xml
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@ -187,14 +187,14 @@
<method name="rpc" qualifiers="vararg const">
<return type="void" />
<description>
Perform an RPC (Remote Procedure Call). This is used for multiplayer and is normally not available, unless the function being called has been marked as [i]RPC[/i]. Calling this method on unsupported functions will result in an error. See [method Node.rpc].
Perform an RPC (Remote Procedure Call) on all connected peers. This is used for multiplayer and is normally not available, unless the function being called has been marked as [i]RPC[/i] (using [annotation @GDScript.@rpc] or [method Node.rpc_config]). Calling this method on unsupported functions will result in an error. See [method Node.rpc].
</description>
</method>
<method name="rpc_id" qualifiers="vararg const">
<return type="void" />
<param index="0" name="peer_id" type="int" />
<description>
Perform an RPC (Remote Procedure Call) on a specific peer ID (see multiplayer documentation for reference). This is used for multiplayer and is normally not available unless the function being called has been marked as [i]RPC[/i]. Calling this method on unsupported functions will result in an error. See [method Node.rpc_id].
Perform an RPC (Remote Procedure Call) on a specific peer ID (see multiplayer documentation for reference). This is used for multiplayer and is normally not available unless the function being called has been marked as [i]RPC[/i] (using [annotation @GDScript.@rpc] or [method Node.rpc_config]). Calling this method on unsupported functions will result in an error. See [method Node.rpc_id].
</description>
</method>
<method name="unbind" qualifiers="const">

8
modules/gdscript/doc_classes/@GDScript.xml
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@ -620,10 +620,10 @@
<param index="3" name="transfer_channel" type="int" default="0" />
<description>
Mark the following method for remote procedure calls. See [url=$DOCS_URL/tutorials/networking/high_level_multiplayer.html]High-level multiplayer[/url].
The accepted values:
- for [param mode] are [code]"any_peer"[/code] or [code]"authority"[/code];
- for [param sync] are [code]"call_remote"[/code] or [code]"call_local"[/code];
- and for [param transfer_mode] are [code]"unreliable"[/code], [code]"unreliable_ordered"[/code], or [code]"reliable"[/code].
If [param mode] is set as [code]"any_peer"[/code], allows any peer to call this RPC function. Otherwise, only the authority peer is allowed to call it and [param mode] should be kept as [code]"authority"[/code]. When configuring functions as RPCs with [method Node.rpc_config], each of these modes respectively corresponds to the [constant MultiplayerAPI.RPC_MODE_AUTHORITY] and [constant MultiplayerAPI.RPC_MODE_ANY_PEER] RPC modes. See [enum MultiplayerAPI.RPCMode]. If a peer that is not the authority tries to call a function that is only allowed for the authority, the function will not be executed. If the error can be detected locally (when the RPC configuration is consistent between the local and the remote peer), an error message will be displayed on the sender peer. Otherwise, the remote peer will detect the error and print an error there.
If [param sync] is set as [code]"call_remote"[/code], the function will only be executed on the remote peer, but not locally. To run this function locally too, set [param sync] to [code]"call_local"[/code]. When configuring functions as RPCs with [method Node.rpc_config], this is equivalent to setting `call_local` to `true`.
The [param transfer_mode] accepted values are [code]"unreliable"[/code], [code]"unreliable_ordered"[/code], or [code]"reliable"[/code]. It sets the transfer mode of the underlying [MultiplayerPeer]. See [member MultiplayerPeer.transfer_mode].
The [param transfer_channel] defines the channel of the underlying [MultiplayerPeer]. See [member MultiplayerPeer.transfer_channel].
The order of [param mode], [param sync] and [param transfer_mode] does not matter, but values related to the same argument must not be used more than once. [param transfer_channel] always has to be the 4th argument (you must specify 3 preceding arguments).
[codeblock]
@rpc