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naev_net

Simple library for HTTP-based networking, made for Naev game.

Adds SDL_net as dependecy.

Configuration is at beginning of net.c file.

File main.c contains basic example.

Basic idea is like this :

  • You send commands to HTTP server, where script (currently in PHP) will process them
  • You get Lua code as response
  • You run said code inside Naev Lua interpreter

What this can be used for :

  • Postal service
  • Guilds
  • Guild vaults
  • Online features in general
  • etc.

Possible limitations :

  • It's slow (protocol/hosting-wise), so no real-time
  • It's HTTP not HTTPS - maybe not an issue
  • ASCII only for now ? - pressumed, not checked

Server

Currently there is simplified forth system interpreter on server side.

How to forth (tldr) :

  • you send 1 2 add prt, server reads it word by word
  • 1 is number - put it on stack
  • 2 is also number - on stack it goes
  • add is function - call it
    • it will take two items from top of stack (first 2, then 1)
    • adds them
    • puts result (3) on top of stack
  • prt is also function call it
    • it will print first thing from top of stack (3 in this case)

Also see : Todo 2

Word list

  • add - adds two numbers
  • sub - substarcts two numbers
  • mul - multiply two numbers
  • div - divide two numbers
  • mod - modulo of two numbers
  • prt - print item on top of stack to output
  • motd - prints Message Of The Day
  • autoreg - generates access key and make file for it
  • getkey - generate random key of given length

Todo

Some ideas on how to progress.

Autoreg

Automatic pilot registration. Gets access token to user.

  • Game starts (or is loaded)
  • Check if save contains access key
  • If not, send 'autoreg prt' command to server
  • Save returned key and use it from now on

Other approach to server execution ?

Is interpreter a good way to go?

It is small and offers flexibility.

But I may just overthought it.