/usr/games/lierolibre-packgfx is in lierolibre 0.5-1build2.
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 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 | #!/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 reads a set of three greyscale xpm images with dimensions
# 16x1760, 7x910, 4x120 and packs them into a CHR-file for Liero.
#
# 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{1..3}.xpm> <outputfile.CHR>"
if [ $# != 4 ]; then
echo >&2 $usage
exit 1
fi
for i in "$1" "$2" "$3"; do
if [ ! -r "$i" ]; then
echo >&2 "Unable to read file '"$i"', aborting"
exit 1
fi
done
touch "$4" 2>&- || { echo >&2 "'"$4"' is not writable, aborting"; exit 1; }
hash convert 2>&- || { echo >&2 "This script requires the "'"convert"'" tool from the "'"ImageMagick"'" suite, aborting"; exit 1; }
inputfile1="$1"
inputfile2="$2"
inputfile3="$3"
outputfile="$4"
title="Liero"
titlesize=6
img1_x=16
img1_y_factor1=16
img1_y_factor2=110
img1_y=$(($img1_y_factor1 * $img1_y_factor2))
img1_size=$(($img1_x *$img1_y))
img1_header="2 $img1_x $img1_y_factor1 $img1_y_factor2"
img2_x=7
img2_y_factor1=7
img2_y_factor2=130
img2_y=$(($img2_y_factor1 * $img2_y_factor2))
img2_size=$(($img2_x *$img2_y))
img2_header="2 $img2_x $img2_y_factor1 $img2_y_factor2"
img3_x=4
img3_y_factor1=4
img3_y_factor2=30
img3_y=$(($img3_y_factor1 * $img3_y_factor2))
img3_size=$(($img3_x *$img3_y))
img3_header="2 $img3_x $img3_y_factor1 $img3_y_factor2"
function pad {
# Write $1 NULL bytes to file
pad="$1"
p=0
until [ $p = $pad ]; do
printf "\x00" >> $outputfile
p=$(expr $p + 1)
done
}
function writedec {
# write decimal number $1 to file, and pad to $2 bytes
dec="$1"
decsize="$2"
hex="$(printf '%x\n' $1)"
d=0
for h in $(echo "$hex" | rev | fold -b2 | rev); do
printf "\x$h" >> $outputfile
export d=$(expr $d + 1)
done
if [ $decsize ]; then
pad $(($decsize - $d))
fi
}
function writestring () {
# Write string $1 to file, padding to $2 bytes
name="$1"
stringsize="$2"
s=0
for c in $(echo $name | fold -b1); do
dec=$(printf "%d\n" \'$c)
writedec $dec
export s=$(expr $s + 1)
done
if [ $stringsize ]; then
pad $(($stringsize - $s))
fi
}
# Main
echo -n "" > "$outputfile"
writestring "$title" "$titlesize"
for i in $img1_header; do
writedec "$i"
done
convert "$inputfile1" -set colorspace Gray -depth 8 gray:- >> "$outputfile"
for i in $img2_header; do
writedec "$i"
done
convert "$inputfile2" -set colorspace Gray -depth 8 gray:- >> "$outputfile"
for i in $img3_header; do
writedec "$i"
done
convert "$inputfile3" -set colorspace Gray -depth 8 gray:- >> "$outputfile"
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