ggpo
joystick-mapper
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| ggpo | joystick-mapper | |
|---|---|---|
| 22 | 3 | |
| 3,063 | 4 | |
| - | - | |
| 0.0 | 0.0 | |
| 4 months ago | about 3 years ago | |
| C++ | C++ | |
| MIT License | - |
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ggpo
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Q: How are online games like Street Fighter 6 able to synchronize inputs from two players at a high frame rate? (60fps)
As mentioned in the top comment, rollback and client side prediction is key. One of the more robust and popular libraries that do this specifically for fighting games is GGPO. When it was opened sourced a few years ago it was a fairly big deal as games that used it felt great. Larger studios have their own libraries but the concept is the same. Its worth a look through if you want to implement something on your own.
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Virtual Venerable Vestments - Weekly Discussion Thread, May 8th, 2023
I just did a quick Google so I don't know the exact details, but I think Max said Idol Shodown is running GGPO which, as far as I can tell, is open source.
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[Summary] Help wanted with Backroll-rs (new networking library) r/rust
Backroll-rs is a brand new networking library based on GGPO dedicated to peer-to-peer Rollback Netcode, for use in fighting games, platform fighters, and other games with less than 8 players that require low latency. We are looking for programmers familiar with Rust to help finish this project. We are 80% of the way completed with this project, but we need more unit tests and debugging to fully finish it.
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Help wanted with Backroll-rs (new networking library)
Backroll-rs is a brand new networking library based on GGPO dedicated to peer-to-peer Rollback Netcode, for use in fighting games, platform fighters, and other games with less than 8 players that require low latency. We are looking for programmers familiar with Rust to help finish this project. We are 80% of the way completed with this project, but we need more unit tests and debugging to fully finish it.
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Netcode: Explaining how fighting games use delay-based and rollback netcode
Relevant: GGPO, the age-old gold standard of rollback netcode, was recently open-sourced!
https://github.com/pond3r/ggpo
I haven't used it myself yet - mostly because I'd want Haskell bindings first hah
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How would I add ggpo to an unreal engine fighting game?
Here's the documentation. Once you manage to get the source code from the developers and handle all the legal matters, you'll be able to use it to add GGPO to the game and create a new build.
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How do you develop and learn how to make rollback for fighters?
IIRC, the GGPO creator invented rollback. GGPO was open sourced in 2019. You can read the source code here: https://github.com/pond3r/ggpo
- Show HN: PSX Party – Online Multiplayer Playstation 1 Emulator Using WebRTC
joystick-mapper
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Show HN: PSX Party – Online Multiplayer Playstation 1 Emulator Using WebRTC
This is very neat but gamepad mapping can't be configured and the browser default "standard" mapping doesn't work very well (at least with my Xbox one controller).
If you visit chrome://flags you can enable "Restrict gamepad access" which will disable
Incidentally, I recently wrote a small crossplatform gamepad mapper you can use: https://github.com/framp/joystick-mapper/releases/tag/0.3.0
Configuration for psxparty here:
What are some alternatives?
nakama - Distributed server for social and realtime games and apps.
backroll-rs - A (almost) 100% pure safe Rust implementation of GGPO-style rollback netcode.
geckos.io - 🦎 Real-time client/server communication over UDP using WebRTC and Node.js http://geckos.io
rapier - 2D and 3D physics engines focused on performance.
bevy - A refreshingly simple data-driven game engine built in Rust
webtransport - WebTransport is a web API for flexible data transport
ggpo_example
bbtools - tools for parsing files for Blazblue's engine (P4A PS3/360, P4AU PS3, Blazblue Chronophantasma PC, Xrd PC/PS3)
datagram - In-progress version of draft-ietf-quic-datagram
Backroll-rs-test - A macroquad sample project that has rollback
netplayjs - Make P2P multiplayer browser games, no server hosting or synchronization code required. Powered by rollback netcode + WebRTC.