/usr/games/lierolibre-extractgfx is in lierolibre 0.5-1+b2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | #!/bin/bash
#
# This script is licensed under the BSD-2-Clause license:
#
# -----//-----
#
# Copyright (c) 2012, Martin Erik Werner <martinerikwerner@gmail.com>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# -----//-----
#
# This script extracts the three sprite canvases contained within LIERO.CHR,
# and dumps them as greyscale images in xpm format, use the 'packgfx' script to
# pack them back up again
#
# Credit goes to Sander de Jong for information regarding the CHR file format:
# http://lierohell.free.fr/lierohack/docformats/liero-chr.html
usage="Usage: $0 <inputfile.CHR> <outputdir>"
if [ $# != 2 ]; then
echo >&2 $usage
exit 1
fi
if [ ! -r "$1" ]; then
echo >&2 "Unable to read file '"$1"', aborting"
exit 1
fi
if [ ! -d "$2" ]; then
echo >&2 "'"$2"' is not a directory, aborting"
exit 1
fi
if [ ! -w "$2" ]; then
echo >&2 "'"$2"' is not writable, aborting"
exit 1
fi
hash convert 2>&- || { echo >&2 "This script requires the "'"convert"'" tool from the "'"ImageMagick"'" suite, aborting"; exit 1; }
inputfile="$1"
outputdir="$2"
headersize1=10
headersize2=4
headersize3=4
imgsize1=$((16 * 1760))
imgsize2=$((7 * 910))
imgsize3=$((4 * 120))
imgoffset1="$headersize1"
imgoffset2="$(($headersize1 + $imgsize1 + $headersize2))"
imgoffset3="$(($headersize1 + $imgsize1 + $headersize2 + $imgsize2 + \
$headersize3))"
imgdim1=16x1760
imgdim2=7x910
imgdim3=4x120
dd if="$inputfile" bs=1 ibs=1 skip="$imgoffset1" count="$imgsize1" \
2>/dev/null | \
convert -depth 8 -size "$imgdim1" gray:- "$outputdir"/gfx1.xpm
dd if="$inputfile" bs=1 ibs=1 skip="$imgoffset2" count="$imgsize2" \
2>/dev/null | \
convert -depth 8 -size "$imgdim2" gray:- "$outputdir"/gfx2.xpm
dd if="$inputfile" bs=1 ibs=1 skip="$imgoffset3" count="$imgsize3" \
2>/dev/null | \
convert -depth 8 -size "$imgdim3" gray:- "$outputdir"/gfx3.xpm
|