minecraft_server overviewer config patch

--- minecraft_server.sh Wed Dec 12 09:01:03 2012
+++ /minecraft_server.sh    Wed Dec 12 14:14:02 2012
@@ -40,6 +40,7 @@
 #
 #   Available software packages for update option:
 #     server        - Minecraft server software.
+#     client        - Minecraft client software, for mapping.


 # User name used to run all commands.
@@ -70,7 +71,8 @@

 # Software packages updated with the update command.
 #   server        - Minecraft server software.
-UPDATE_PACKAGES="server"
+#   client        - Minecraft client software, for mapping.
+UPDATE_PACKAGES="server client"


 ## Minecraft server options.
@@ -625,6 +627,25 @@
    fi
 }

+# update the Minecraft client.
+updateClientSoftware() {
+   # Backup the old client jar.
+   if [ -e $CLIENT_JAR ]; then
+       execute "mv -f \"$CLIENT_JAR\" \"$CLIENT_JAR.old\"" $USER_NAME
+   fi
+
+   # Download the client software
+   execute "$WGET -qO \"$CLIENT_JAR\" \"$CLIENT_URL\"" $USER_NAME
+
+   # Check for error and restore backup if found.
+   if [ $? -ne 0 ]; then
+       printf "\nError downloading the Minecraft client.\n"
+       if [ -e "$CLIENT_JAR.old" ]; then
+           execute "mv -f \"$CLIENT_JAR.old\" \"$CLIENT_JAR\"" $USER_NAME
+       fi
+   fi
+}
+
 # Update the server software.
 updateServerSoftware() {
    execute "mkdir -p $SERVER_LOCATION" $USER_NAME
@@ -653,6 +674,9 @@
        server)
            updateServerSoftware
        ;;
+       client)
+           updateClientSoftware
+       ;;
        *)
            printf "Unknown software package: $1\n"
            exit 1
@@ -669,15 +693,17 @@
    execute "mkdir -p $MAPS_LOCATION/$1" $USER_NAME
    # Make sure the Minecraft client is available.
    if [ ! -e $CLIENT_JAR ]; then
-       echo "Downloading the Minecraft client for texture files..."
-       execute "$WGET -qO \"$CLIENT_JAR\" \"$CLIENT_URL\"" $USER_NAME
-       if [ $? -ne 0 ]; then
-           printf "\nError downloading the Minecraft client.\n"
-           exit 1
-       fi
+       updateClientSoftware
    fi
    # Make sure that the world files are actually there before mapping.
    if [ -e "$WORLDS_LOCATION/$1/server.properties" ]; then
+       # Check for MC-Overviewer overviewer-settings.py file
+       if [ -e "$WORLDS_LOCATION/$1/overviewer-settings.py" ]; then
+           # Generate Map
+           execute "$OVERVIEWER_BIN --config=$WORLDS_LOCATION/$1/overviewer-settings.py" $USER_NAME
+           # Generate POI (Signs)
+           execute "$OVERVIEWER_BIN --config=$WORLDS_LOCATION/$1/overviewer-settings.py --genpoi" $USER_NAME
+       fi
        execute "$OVERVIEWER_BIN --rendermodes=normal,lighting,cave --processes 1 $WORLDS_LOCATION/$1/$1 $MAPS_LOCATION/$1" $USER_NAME > /dev/null 2>&1
    fi
 }