<?
        // @author rostok
        // 2013-12-16 v1.0.1
    // this uses imagemagick to explode spritesheet
    // then it uses atlasmaker.jar https://bitbucket.org/grauw/atlasmaker/overview to create packed atlas
    // it also parses index.json file to produce AS3 code that initializes all frames

    if (sizeof($argv)<4)
    {
            echo sizeof($argv);
        echo "script.php file.png width height\noutput: file_atlas.png & file_atlas.as";
        die();
    }

    $f = $argv[1];
    $fb = str_replace(".png","",$f);
    $ws = $argv[2];
    $hs = $argv[3];

    $dir = $fb."_atlas";
    mkdir("tempdir1234");
    echo("crop...");
    exec("convert $f -crop $ws"."x$hs tempdir1234/c%04d.png");


$man = "
[
    {
        'name': '$dir',
        'border': 0,
        'maxSize': 8192,
        'powersOfTwo': false,
        'square': false,
        'images': [ 'tempdir1234/*.png' ]
    }
]";

    file_put_contents("manifest", $man);

    echo("atlas...");
    exec("java -Xms1024m -jar ".dirname(__FILE__)."/atlasmaker-1.3-jar-with-dependencies.jar ./manifest .");
    exec("move $dir\\atlas-0.png $dir.png");

    echo("parse...");
    $js = json_decode (file_get_contents("$dir/index.json"));
    $js = $js[0];
    $js = $js->images;
    $a = array();
    while(list($k,$v)=each($js))
    {
            $x = $v->coordinates->x;
            $y = $v->coordinates->y;
            $w = $v->coordinates->width;
            $h = $v->coordinates->height;
            $xo = $v->xOffset;
            $yo = $v->yOffset;
            $fn = $v->path;
            $fn = str_replace("tempdir1234/","",$fn);
        $a[$fn] = "sprite.addFrameInfo($x,$y,$w,$h,$xo,$yo); // $fn\n";
    }
    ksort($a);
    $out = "";
    foreach ($a as $v) $out .= $v;

    file_put_contents($fb.".as", $out);
//  exit();

    // cleanup
    unlink("manifest");
    exec("del /q tempdir1234\\c????.png");
    exec("rd tempdir1234");
    exec("rd /q /s $dir");
?>