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1  Games / Source / Re: Online Spelunky Coop Mod on: March 30, 2010, 07:23:54 PM
While we're on the topic. Has anybody here heard of GGPO? It's a networking library designed for twitch arcade-style games.

From the site:
GGPO uses a peer-to-peer topology to run a complete copy of your game for each player, transmitting controller inputs over the network to keep these copies in sync. Each player's inputs are sent to their copy of the game without having to wait for their opponent's to arrive over the network.

If the simulations diverge, GGPO rolls back to the most recent accurate state, corrects the mistake, and jumps back to the current frame, all before the player can notice. This provides the illusion of lag-free gameplay.

Would it be possible to copy this methodology?
2  Games / Source / Re: Online Spelunky Coop Mod on: March 30, 2010, 04:32:26 PM
what happens if you clime a rope the other person used?>
I don't know for sure, but because Twitch doesn't come here often, I'll do my best...

I think it would be fine, when items send, to generate the rope for both players. If it exists then, for both, it shouldn't cause any problems. Maybe I'm wrong.


My new "idea" at movement is, instead of sending X, Y, Image_index, etc etc. I might try sending messages for "THIS PERSON IS PRESSING LEFT", etc.

It could possibly work.

Won't that make the game extremely sensitive to latency? If the character keeps moving in one direction for even a tenth of a second too long it'll result in a lot of extra deaths.
3  Games / Spelunky Classic / Re: Two things. on: September 10, 2009, 04:45:58 PM
A spoiled brat and a troll!  Angry

Can't you just appreciate the masterpiece Derek has given you for free? If I had a 360, I'd buy the game just to support him. I'd buy Aquaria too, just to support him, but I already did because that game was amazing as well and totally worth it.

Guess I'm a Derek Yu fanboy.  Embarrassed
4  Games / Spelunky Classic / Re: Two things. on: September 07, 2009, 10:03:24 AM
Is this a troll post? If so, you should be more appreciative. Derek put a ton of work into this game and gave it all away for free. He makes amazing games and deserves all the credit for it.  He definitely doesn't deserve any negativity.
5  Games / Spelunky Classic / Re: Modding new stages in, when the source is out? on: September 06, 2009, 02:32:35 AM
I'd like to see if it is possible to have a single, never-ending, constantly-generated level with no exit (and no ghost, obviously).

Would be cool for competitions to see how deep people can get.
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