nano9 0.1.0-alpha.3

A Pico-8 compatibility layer for Bevy
Documentation 
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use bevy::{
    prelude::*,
    // platform::hash::DefaultHasher,
};

use crate::{PColor, pico8::{Palette, PalError}};


pub(crate) fn plugin(app: &mut App) {
    app.init_resource::<Palettes>();
}

#[derive(Debug, Resource, Default, Deref, DerefMut)]
pub struct Palettes(pub(crate) Vec<Palette>);


impl Palettes {
    pub fn get_pal(&self, palette_index: usize) -> Result<&Palette, PalError> {
        self.0.get(palette_index).ok_or(PalError::NoSuchPalette(palette_index))
    }

    // Resolve a PColor into a Color.
    pub fn get_color(&self, c: PColor, palette_index: usize) -> Result<Color, PalError> {
        match c {
            PColor::Palette(n) => self.get_pal(palette_index)?.get_color(n)
                                                              .map(|c| c.into())
                .map_err(|e| match e {
                    PalError::NoSuchColor(c) => PalError::NoSuchPaletteColor { color: c, palette: palette_index },
                    x => x
                }),
            PColor::Color(c) => Ok(c.into()),
        }
    }

}