40 lines
1.7 KiB
GDScript
40 lines
1.7 KiB
GDScript
extends Node
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## Client-side proxy node, attached at runtime to a Node named "Server" at
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## the SceneTree root by NetworkClient.connect_to_server(). Exists purely so
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## Godot's RPC path-matching finds a receiver for _receive_snapshot -- see
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## network_client.gd's class docstring for the full explanation of why this
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## has to exist at this exact path. Not a real server in any sense.
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##
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## Godot's multiplayer layer verifies an "RPC node checksum" -- both peers
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## must declare the *same set* of @rpc methods at a matching path, or every
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## RPC at that path (not just the mismatched one) starts failing with
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## "rpc node checksum failed". So every @rpc method scripts/server.gd
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## declares on its own root "Server" node has to be mirrored here too, even
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## the ones this proxy never actually needs to receive.
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var owner_client: Node = null
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## Must match scripts/server.gd's own @rpc annotation on _receive_snapshot
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## exactly -- Godot enforces the receiving method's declared mode/transfer
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## config, a mismatch here would silently drop the call.
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@rpc("any_peer", "call_remote", "reliable")
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func _receive_snapshot(snapshot_data: Dictionary) -> void:
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print("DEBUG proxy received snapshot: ", snapshot_data)
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if owner_client and is_instance_valid(owner_client):
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owner_client._handle_snapshot(snapshot_data)
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## Mirrors scripts/server.gd's _kick -- never actually invoked on this side
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## (the server calls it on a Player_<id> node's own rpc_id target, not this
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## root proxy), declared only so the RPC checksum for this path matches.
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@rpc("any_peer", "call_remote", "reliable")
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func _kick(_reason: String) -> void:
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pass
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## Mirrors scripts/server.gd's _disconnect -- same reasoning as _kick above.
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@rpc("call_remote", "reliable")
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func _disconnect(_reason: String) -> void:
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pass
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