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Add online play through a relay server (VNet) - #2777
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TiDeCircle wants to merge 1 commit into
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LAN multiplayer normally needs every player on the same network. VNet tunnels the LAN sockets through a UDP relay server: each player connects out to the relay, joins a room by name and gets a virtual IP, so the regular LAN code (including session discovery) works over the internet without port forwarding. - Bundle ENet and route its socket layer through VNet - Use the ENet socket API for LAN discovery so it goes through VNet too - Wait at least one round trip for MP replies when playing over the relay - Add relay settings (server, room) to the Host/Join LAN dialogs - Build the relay branch on Windows CI Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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This is unlikely to work because local multiplayer games on the DS are written to expect very low ping, the kind that can't be achieved over the public Internet. A relay or VPN won't make packets go faster. |
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LAN multiplayer normally needs every player on the same network. VNet tunnels the LAN sockets through a UDP relay server: each player connects out to the relay, joins a room by name and gets a virtual IP, so the regular LAN code (including session discovery) works over the internet without port forwarding.