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the P2P features of Zero Tours only work in one direction at a time, so it won't do to only receive as many packets as are sent; in fact, it seems that this was never the issue with Pokémon. rather, the issue with Pokémon was that it was receiving a low-level error on remote disconnect, which isn't even a detectable state when the connection is over a phone line. rather, we simply stop sending the game data, allowing it to detect the remote disconnect through a timeout or other method which, to reiterate, was necessary in '01/'02 when these games were connecting over a phone line.
this allows for games not to notice a remote disconnect right away, at the expense of calling `sock_recv` one or more times after a remote disconnect.
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Tested with PicoAdapterGB using p2p connection (no relay server). |
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Thanks! I didn't realize Zero Tours was a p2p game. I'll have to test these changes myself, and I'll backport them to the stable branch, but they otherwise look very clean. The problem I had with pokemon is that on remote/non-local p2p connections, where a reply isn't received at the right moment, the game would get an empty reply and fire off an error. |
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the P2P features of Zero Tours only work in one direction at a time, so it won't do to only receive as many packets as are sent; in fact, it seems that this was never the issue with Pokémon. rather, the issue with Pokémon was that it was receiving a low-level error on remote disconnect, which isn't even a detectable state when the connection is over a phone line. rather, we simply stop sending the game data, allowing it to detect the remote disconnect through a timeout or other method which, to reiterate, was necessary in '01/'02 when these games were connecting over a phone line.