bitsy-parser/README.md

# bitsy-parser

![Rust](https://github.com/synth-ruiner/bitsy-parser/workflows/Rust/badge.svg)
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a library for parsing Bitsy game data.

the version number follows Bitsy itself, so version 0.70.* targets Bitsy 7.0.

## how to use

a simple example program:

```rust
extern crate bitsy_parser;
use bitsy_parser::game::Game;
use std::{env, fs};

const SYNTAX_ERROR: &str = "No input path specified. Usage: `bitsy-validate filepath`";

fn main() {
    let input = env::args().nth(1).expect(SYNTAX_ERROR);
    Game::from(fs::read_to_string(input).unwrap()).unwrap();
    println!("OK!");
}
```

some more practical uses would be things like:

* remove duplicate tiles
* merge two Bitsy games together
* programmatically create Bitsy games
* a Bitsy game editor

## todo

* implement Result return types on ::from functions so that we can handle errors
* replace Image with Vec<u8> or something. seems like a pointless abstraction.
* replace game avatar with helper functions to get and set the sprite with an ID of A
* implement PartialEq for sprites, items etc. for deduplication
* global dedupe function and dedupe functions for sprites, items etc.
* tests for merge function
* all sprites from the merged game get placed in their respective game's Room 0
* exits in merged rooms do not work - the on-screen position is correct, but the room ID is wrong
* add update function (i.e. migrate an old game version to the current one) - would this work?

### tidy up

* refactor the more shonky bits to idiomatic rust