#!/usr/bin/env bash

if [[ $# < 1 ]]; then
    echo 'expected source assets directory'
    exit 1
fi

src_dir=$1
out_dir=assets/sprites/
dpi=192

svg_to_png="inkscape -C"
gen_sprite_map="dune exec --no-print-directory --display=quiet scripts/gen_sprite_map.exe"

mkdir -p $out_dir

function gen() {
    name=$1
    dpi=${2:-96}

    echo "$name..."

    src=$src_dir/$name.svg
    dst_png=$out_dir/$name.png
    dst_map=$out_dir/$name.map

    [[ "$src" -nt "$dst_png" ]] &&
        ($svg_to_png $src -o $dst_png -d $dpi || exit 1)

    [[ "$src" -nt "$dst_map" ]] &&
        ($gen_sprite_map < $src > $dst_map || exit 1)
}

gen blocks 192
gen hud