1 files changed, 139 insertions, 0 deletions
diff --git a/games/nblood/extract-blood-data.sh b/games/nblood/extract-blood-data.sh
new file mode 100644
index 0000000000..abafbdba3c
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+++ b/games/nblood/extract-blood-data.sh
@@ -0,0 +1,139 @@
+#!/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 <urchlay@slackware.uk>, 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