#
#!/bin/bash
#

#
### BEGIN INIT INFO
#
# Provides: Minecraft StartScript v1.0
#
# Required-Start: $remote_fs $syslog
#
# Required-Stop: $remote_fs $syslog
#
# Default-Start: 2 3 4 5
#
# Default-Stop: 0 1 6
#
# Short-Description: Starts the minecraft server
#
# Description: Starts the minecraft server specified below. You can also create a cron job to sceduele restarts of your minecraft server (recommended).
#
### END INIT INFO
#

#
########################
#
#
#
# Minecraft StartScript v1.0
#
# Copyright (C) 2011 by Silthus
#
#
#
#########################################
#

#

#
###################
#
# CONFIGURATION #
#
#########################################
#
# NAME: user to start Minecraft from (dont run as root (u wont be able to anyways!))
#
# PATH: directory containing the Minecraft Server File (= working directory) (needs / at the end)
#
# BIN: your server executable, e.g.: minecraft_server.jar
#
# ID: a unique identifier for this screen session (like servers name)
#
# must be different for every server
#
#
#
# To restart your server every 6 hours at midnight, 6, 12 and 6 o clock put this line in your crontab:
#
# # Minute Hour Day of Month Month Day of Week Command
#
# (0-59) (0-23) (1-31) (1-12 or Jan-Dec) (0-6 or Sun-Sat)
#
# 0 0,6,12,18 * * * /etc/init.d/minecraft restart
#
#
#

#
NAME='minecraft'
#
PATH='/home/minecraft/bin/'
#
BIN='craftbukkit.jar'
#
ID='RaidCraft'
#
PARAMS='-Xms512M -Xmx2048M'
#

#

#
############################
#
# ADVANCED CONFIGURATION #
#
#########################################
#

#
# in case you have custom application paths, edit here
#
GREP='/bin/grep'
#
SCREEN='/usr/bin/screen'
#
JAVA='/usr/bin/java'
#
SLEEP='/bin/sleep'
#

#
# colors: default, red, green, yellow, blue
#
D='\E[0m'
#
R='\E[1;31m'
#
G='\E[1;32m'
#
Y='\E[1;33m'
#
B='\E[1;34m'
#

#

#
################################################
#
# do not edit below here #
#
# unless you REALLY know what you are doing !! #
#
################################################
#

#

#
echo -e "\E[1;34;40m Minecraft StartScript ${Y}v1.0 ${B}by ${G}Silthus${D}"
#

#
# check dependencies
#
if [ ! -x "$GREP" ]; then
#
echo -e "${R}Error: grep not found in ${B}'$GREP$'${D}"
#
echo -e "${Y}Install with your packet manager or edit advanced config!${D}"
#
exit 1
#
fi
#
if [ ! -x "$SCREEN" ]; then
#
echo -e "${R}Error: screen not found in ${B}'$SCREEN'${D}"
#
echo -e "${Y}Install with your packet manager or edit advanced config!${D}"
#
exit 1
#
fi
#
if [ ! -x "$JAVA" ]; then
#
echo -e "${R}Error: java not found in ${B}'$JAVA$'${D}"
#
echo -e "${Y}Install with your packet manager or edit advanced config!${D}"
#
exit 1
#
fi
#
if [ ! -x "$SLEEP" ]; then
#
echo -e "${R}Error: sleep not found in ${B}'$SLEEP$'${D}"
#
echo -e "${Y}Install with your packet manager or edit advanced config!${D}"
#
exit 1
#
fi
#

#
# check for root permission
#
if [ $UID = 0 ]; then
#
ROOT=true
#
echo -e "${R}Do not run as ROOT!${D}"
#
exit 1
#
else
#
ROOT=false
#
fi
#

#
cd $PATH
#

#

#
###############
#
# functions #
#
#########################################
#

#
start() {
#
echo -e "${Y}Starting ${B}$ID ${Y}...${D}"
#

#
if status; then
#
echo -e "${R}Error: ${B}$ID ${R}is already running!${D}"
#
exit 1
#
fi
#
$SCREEN -AmdS $ID $JAVA $PARAMS -jar $BIN nogui
#
}
#

#
stop() {
#
echo -e "${Y}Stopping ${B}$ID ${Y}...${D}"
#

#
if ! status; then
#
echo -e "${R}Error: ${B}$ID ${R}is not running!${D}"
#
exit 1
#
fi
#
$SCREEN -S $ID -p 0 -X stuff "`printf "say Going down in 10 seconds! Saving world...\r"`"
#
echo -e "${B}Waiting 10 seconds for the World to save ...${D}"
#
$SLEEP 5
#
$SCREEN -S $ID -p 0 -X stuff "`printf "save-all\r"`"
#
$SLEEP 5
#
$SCREEN -S $ID -p 0 -X stuff "`printf "stop\r"`"
#
echo -e "${G}Shutting down ...${D}"
#
$SLEEP 2
#
}
#

#
status() {
#
$SCREEN -ls | $GREP [.]$ID[[:space:]] > /dev/null
#
}
#

#
attach() {
#
if ! status; then
#
echo -e "${R}Error: ${B}$ID ${R}is not running!${D}"
#
exit 1
#
fi
#
$SCREEN -S $ID -r
#
}
#

#

#
# parameter parsing
#
case "$1" in
#
start)
#
start
#
echo -e "${G} ... done.${D}"
#
;;
#

#
stop)
#
stop
#
echo -e "${G} ... done.${D}"
#
;;
#

#
restart)
#
status
#
$SCREEN -S $ID -p 0 -X stuff "`printf "say Restarting in 10 seconds! Saving world...\r"`"
#
echo -e "${B}Waiting 10 seconds for the World to save ...${D}"
#
$SLEEP 5
#
$SCREEN -S $ID -p 0 -X stuff "`printf "save-all\r"`"
#
$SLEEP 5
#
$SCREEN -S $ID -p 0 -X stuff "`printf "stop\r"`"
#
echo -e "${B}Waiting 10 seconds for the RAM to clear ...${D}"
#
$SLEEP 10
#
start
#
;;
#

#
status)
#
if status; then
#
echo -e "${B}$ID ${G}is running ${B}${D}"
#
else
#
echo -e "${B}$ID ${R}is not running!${D}"
#
fi
#
;;
#

#
attach)
#
attach
#
;;
#

#
*)
#
echo -e "${Y}Usage: $0 {${G}start${Y}|${R}stop${Y}|${B}restart${Y}|${B}status${Y}|${B}attach${Y}} ${Y}[ID]${D}"
#
echo -e "${Y}While attached press ${B}ctrl-a crlt-d ${Y}to stop watching without stopping the server!"
#
exit 1
#
;;
#
esac