slackbuilds_ponce/games/nblood/extract-blood-data.sh
B. Watson ad1036ff71 games/nblood: Added (Game Engine for Blood).
Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>
2020-05-02 17:30:53 +07:00

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3.2 KiB
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#!/bin/bash
# extract-blood-data.sh - extract the game data from a mounted Blood
# CD-ROM or (not mounted) .iso file in the current directory.
# By B. Watson <yalhcru@gmail.com>, released under the WTPL: Do WTF you
# want with this.
if [ "$( id -u )" != "0" ]; then
echo "$(basename $0) has to run as root because it needs to mount ISO images"
exit 1
fi
# Copy the game data here
DEST=${1:-./blood}
DEST="$( readlink -f "$DEST" )"
# Deal with filenames case-insensitively
shopt -s nocaseglob
# Return true if directory $1 is a valid copy of the game.
contents_ok() {
local mntpnt="$1"
[ -e "$mntpnt/blood.ini"* ] && \
[ -e "$mntpnt/data.z"* ] && \
[ -e "$mntpnt/readme.txt"* ] && \
head -n1 "$mntpnt/readme.txt"* | grep -q '^One Unit: WHOLE BLOOD(TM) v 1.21'
return $?
}
# Try to find and mount a Blood ISO image, in the current directory.
find_iso() {
local mntpnt="$1"
local iso
mkdir -p "$mntpnt"
for iso in *; do
[ -e "$iso" ] || continue
file -L --mime -b "$iso" | grep -qi 'iso.*9660' || continue
echo -n "Trying '$iso'... "
if /sbin/mount -o ro,loop -t iso9660 "$iso" "$mntpnt"; then
if contents_ok "$mntpnt"; then
echo "found One Unit Whole Blood ISO."
return 0
fi
echo "mounted, but not a Blood ISO."
/sbin/umount "$mntpnt"
else
echo "couldn't mount."
fi
done
/sbin/umount "$mntpnt" &> /dev/null
echo "Couldn't find One Unit Whole Blood ISO in $( pwd )"
return 1
}
# Extract the data we need. We might be including a little more
# that necessary here.
extract_data() {
local src="$1"
local dst="$2"
local tmpdir
echo "Extracting and copying data from $src to $dst"
mkdir -p "$dst"
tmpdir="$( mktemp -d ${TMP:-/tmp}/bloodtmp.XXXXXX )"
# most of the stuff we need is in data.z
isextract x "$src/data.z"* "$tmpdir"
cd "$tmpdir"
cp -a *.rff* \
*.dem* \
*.art* \
*.dat* \
"$dst"
cd -
# ...but not all of it
cp -a "$src/movie"* "$src/cryptic/"* "$src/blood.ini"* "$src/readme.txt"* "$dst"
# get rid of unnecessary cruft not used by nblood
rm -rf "$dst"/cryptic.exe* \
"$dst"/movie/directx* \
"$dst"/movie/amovie* \
"$dst"/movie/_* \
"$dst"/movie/*.exe* \
"$dst"/movie/*.ins*
find "$dst" -type f -exec chmod 644 {} \+
chmod 755 "$dst/movie"*
rm -rf "$tmpdir"
}
# main()
if ! which isextract &>/dev/null; then
echo "Can't find isextract on PATH. Please install it and re-run this script."
exit 1
fi
# Try to find a mounted CD
CDROM=""
cat /proc/mounts | while read line; do
t="$( echo "$line" | cut -d' ' -f3 )"
m="$( echo "$line" | cut -d' ' -f2 )"
if [ "$t" = "iso9660" ]; then
echo -n "Trying mount point '$m'..."
if contents_ok "$m"; then
echo OK
CDROM="$m"
break
fi
echo "not a Blood CD"
fi
done
if [ -n "$CDROM" ]; then
echo "Found One Unit Whole Blood CD-ROM mounted on $CDROM"
else
CDROM="$( mktemp -d ${TMP:-/tmp}/bloodcd.XXXXXX )"
RMTMP="$CDROM"
if ! find_iso "$CDROM"; then
echo "Couldn't find any game data"
exit 1
fi
fi
extract_data "$CDROM" "$DEST"
if [ -n "$RMTMP" ]; then
umount "$RMTMP" &>/dev/null
rmdir "$RMTMP"
fi