#!/bin/perl5
# -*- perl -*-

# The Ace of Penguins - split-tiles
# Copyright (C) 1998 DJ Delorie.  See the file COPYING for details

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

$| = 1;

mkdir("t", 0755) unless -d "t";

system 'giftoppm tiles.gif > t/tiles.ppm';

system 'pnmcut 5 5 39 39 < t/tiles.ppm > t/blank.ppm';
system "ppmtogif < t/blank.ppm 2>/dev/null | giftrans -t '#010203' > t/bl.gif";

for $i (1..9) {
    &tile("n$i", 0, $i-1);
    &tile("p$i", 1, $i-1);
    &tile("b$i", 2, $i-1);
}

&tile("xj", 3, 0);
&tile("xa", 3, 1);
&tile("xx", 3, 2);

&tile("sh", 4, 0);
&tile("sd", 4, 1);
&tile("sc", 4, 2);
&tile("ss", 4, 3);

&tile("cr", 3, 5);
&tile("cg", 3, 6);
&tile("cb", 3, 7);
&tile("ck", 3, 8);

&tile("du", 4, 5);
&tile("dd", 4, 6);
&tile("dl", 4, 7);
&tile("dr", 4, 8);

sub tile {
    local($name, $x, $y) = @_;
    $x = $x * 36 + 49;
    $y = $y * 36 + 5;
    print "$name ";
    system "pnmcut $x $y 36 36 < t/tiles.ppm > t/temp.ppm";
    system "pnmpaste t/temp.ppm 3 0 t/blank.ppm | ppmtogif 2>/dev/null | giftrans -t '#010203' > t/$name.gif";
}

unlink "t/blank.ppm", "t/temp.ppm", "t/tiles.ppm";