Protecc!

multiplayer pygame with lobbies.

WARNING

early WIP, idk Python

Requirements

• allow reconnect (retaining player state)

  • if non-temporary disconnect: pass resources to remaining user

  • do not rely on IP (e.g. train hotspot) for id

• allow for high delay

todo

• implement coop tower-defense style game

• encryption

• UDP? IPv6?

• keepalive / ping, see builtin python?

multiplayer status:

• player movement synced, worlds are completely unsynced :)

original game (without multiplayer):

• youtube: Tile-based game Part 1: Setting up

• github: kidscancode/pygame_tutorials

• current modifications:

  • added server.py, client.py

  • updated main game loop to consider incoming packets

graphics:

• map: https://kenney.nl/assets/top-down-shooter (CC0)

• items: https://kenney.nl/assets/pixel-shmup (CC0), https://kenney.nl/assets/desert-shooter-pack (CC0), https://kenney.nl/assets/space-shooter-redux (CC0)

run the game

$ python server.py

# positional arguments: nick lobby
$ python main.py nick 123
$ python main.py clark 123

Protocol

Setup

client: (nick-length)(nick)
client: (lobby-id) # unsigned char
server: (player-id) # unsigned char

Commands (struct packing)

client: p(pid)(x)(y)(rot)(health) # !cBfffB

Arch setup

# setup venv (python-pygame-ce seems broken)
$ ---

# server connection test
$ sudo pacman -S socat
$ socat - TCP4:localhost:3579

Other

Audio

#$ ffmpeg -i mp4 -vn -acodec copy boom-audio.aac
$ ffmpeg -i mp4 -vn boom-audio.wav
$ ffmpeg -ss 4.4 -i boom-audio.wav -t 1 -c copy boom1.wav
$ ffmpeg -ss 6.15 -i boom-audio.wav -t 0.9 -c copy boom2.wav