#!/bin/bash
#=======================================================#
#   ToDo:                                               #
#   - Add a set number on how many backups              #
#     should be made.                                   #
#=======================================================#


GameType="Sandbox"              #Sandbox, Survival, Multiplayer, etc.
SaveName="07-01-2017_04-52-11"  #Make sure you copy the folder name.
Timeout=20                      #Timeout in seconds. The default of 300 (5 minutes) is likely adequate. Even numbers recommended.
SERVICE=ProjectZomboid64        #Change this to ProjectZomboid32 if you're using 32bit java!
BackupCount=5                   #Amount of backups to be made.
#===========================================================================================#
#                               No need to change anything below.                           #
#===========================================================================================#
GameName="Project Zomboid"
sleep 1 #Unused in final script
#steam steam://rungameid/108600
mkdir -p "$HOME/Zomboid/Saves/Backups/$SaveName"
i=1
Wait=$(($Timeout))
while [ $i -gt -1 ]; do
    while [ $Wait -gt 0 ]; do
    clear && echo -ne "Creating a backup in" $Wait "seconds." && sleep 1
    : $((Wait--))
    done
    if ps ax | grep -v grep | grep $SERVICE > /dev/null
        then
            cp "$HOME/Zomboid/Saves/$GameType/$SaveName/map_p.bin" "$HOME/Zomboid/Saves/Backups/$SaveName/map_p.bin.backup$i"
            #Make $i +1 each time it passes through, until it reaches $BackupCount and resets to 1.
            [ $i = 1 ] && i=2 || i=1
            Wait=$(($Timeout))
        else
            Wait=$((30))
            while [ $Wait -gt 0 ]; do
                clear && printf "$GameName is not detected as running, and no further backups will be made. \n"
                echo -ne "Checking if game is running in" $Wait "seconds." && sleep 1
                : $((Wait--))
                done
                if ps ax | grep -v grep | grep $SERVICE > /dev/null
                    then
                        Wait=$(($Timeout-30)) && continue
                fi
    fi
done