nano9 0.1.0-alpha.2

A Pico-8 compatibility layer for Bevy
Documentation 
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//! This module contains an implementation for [tiled::ResourceReader]
// COPIED from bevy_ecs_tiled.

use bevy::asset::LoadContext;
use std::{
    io::{Cursor, Error as IoError, ErrorKind, Read},
    path::Path,
    sync::Arc,
};

pub(crate) struct BytesResourceReader<'a, 'b> {
    bytes: Arc<[u8]>,
    context: &'a mut LoadContext<'b>,
}
impl<'a, 'b> BytesResourceReader<'a, 'b> {
    pub(crate) fn new(bytes: &'a [u8], context: &'a mut LoadContext<'b>) -> Self {
        Self {
            bytes: Arc::from(bytes),
            context,
        }
    }
}

impl<'a> tiled::ResourceReader for BytesResourceReader<'a, '_> {
    type Resource = Box<dyn Read + 'a>;
    type Error = IoError;

    fn read_from(&mut self, path: &Path) -> std::result::Result<Self::Resource, Self::Error> {
        if let Some(extension) = path.extension() {
            if extension == "tsx" {
                let future = self.context.read_asset_bytes(path.to_path_buf());
                let data = futures_lite::future::block_on(future)
                    .map_err(|err| IoError::new(ErrorKind::NotFound, err))?;
                return Ok(Box::new(Cursor::new(data)));
            }
        }
        Ok(Box::new(Cursor::new(self.bytes.clone())))
    }
}