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Document requirement of having client + server RPCs in High-level multiplayer (#7932)

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Co-authored-by: A Thousand Ships <96648715+AThousandShips@users.noreply.github.com>
Co-authored-by: Hugo Locurcio <hugo.locurcio@hugo.pro>
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Paul PINA-GHERARDI
2023-11-09 13:30:36 +01:00
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tutorials/networking/high_level_multiplayer.rst
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@@ -196,6 +196,16 @@ For a remote call to be successful, the sending and receiving node need to have
must have the same name. When using ``add_child()`` for nodes which are expected to use RPCs, set the argument
``force_readable_name`` to ``true``.
.. warning::
If a function is annotated with ``@rpc`` on the client script (resp. server script),
then this function must also be declared on the server script (resp. client script),
and both must have the same signature, **even if this function is not currently used**.
If these conditions are not fulfilled, the script may print an error or
cause unwanted behavior. See further explanation and troubleshooting on
`this post <https://github.com/godotengine/godot/issues/57869#issuecomment-1034215138>`__.
The annotation can take a number of arguments, which have default values. ``@rpc`` is equivalent to:
::