initial commit

1 files changed, 88 insertions, 0 deletions

diff --git a/battle-isle-gog.sh b/battle-isle-gog.sh
new file mode 100644
index 000000000000..e5cb881c4518
--- /dev/null
+++ b/battle-isle-gog.sh
@@ -0,0 +1,88 @@
+#!/usr/bin/bash
+
+_help() {
+cat <<EOF
+    Usage: $script [options]
+    Options:
+            -h  --help                  Show this message
+                --windowed              Windowed mode
+                --single
+                --addon [desert|moon]   Start addon The Desert or The Moon of Chromos
+                --desert                Start Battle Isle: The Desert
+                --moon                  Start Battle Isle: The Moon of Chromos
+    Examples:
+
+    $script --windowed
+    $script --addon moon
+    $script --windowed --desert
+EOF
+    exit 0
+}
+
+pushd() { builtin pushd "$@" > /dev/null; }
+popd() { builtin popd > /dev/null; }
+
+INSTALL_DIR=/opt/battle-isle
+HOME_DIR="$HOME"/.gog/battle-isle
+
+if which unionfs &> /dev/null; then
+    USE_UNIONFS=1
+fi
+
+script=${0##*/}
+
+TEMP=$(getopt -o h --long help,windowed,single,addon:,moon,desert \
+     -n "$script" -- "$@")
+
+if [ $? != 0 ] ; then exit 1 ; fi
+
+eval set -- "$TEMP"
+
+while true; do
+    case "$1" in
+        -h|--help)  _help; shift ;;
+        --windowed) WINDOWED=1; shift ;;
+        --single)   START_SINGLE=1; shift ;;
+        --addon)
+            case "$2" in
+                desert) START_DESERT=1 ;;
+                moon)   START_MOON=1 ;;
+                *) echo "Invalid value '$2' for $1. Valid values [desert,moon]"; exit 1;;
+            esac
+            shift 2 ;;
+        --desert)   START_DESERT=1; shift ;;
+        --moon)     START_MOON=1; shift ;;
+        --) shift; break ;;
+    esac
+done
+
+configs=('-conf' 'dosboxbi1.conf')
+
+if [ "$WINDOWED" ]; then
+    configs+=('-conf' 'dosbox_windowed.conf')
+fi
+
+if [ "$START_SINGLE" ] ; then
+    configs+=('-conf' 'dosboxbi1_single.conf')
+elif [ "$START_DESERT" ] ; then
+    configs+=('-conf' 'dosboxbi1_desert.conf')
+elif [ "$START_MOON" ] ; then
+    configs+=('-conf' 'dosboxbi1_moon.conf')
+else
+    configs+=('-conf' 'dosboxbi1_main.conf')
+fi
+
+if [ "$USE_UNIONFS" ]; then
+    LOWER_DIR="$INSTALL_DIR"
+    UPPER_DIR="$HOME_DIR/config"
+    UNION_DIR="$HOME_DIR/game"
+    mkdir -p "$HOME_DIR"/{game,config}
+
+    unionfs -o cow,relaxed_permissions "$UPPER_DIR=RW:$LOWER_DIR=RO" "$UNION_DIR"
+    echo "Launching game within $UNION_DIR"
+    pushd "$UNION_DIR" && dosbox "${configs[@]}"
+    popd && fusermount -u "$UNION_DIR"
+else
+    echo "Launching game within $INSTALL_DIR"
+    cd $INSTALL_DIR && dosbox "${configs[@]}"
+fi