mazemaker

#!/bin/sh

mazemakerDir=/opt/Mazemaker;
supportDir=$mazemakerDir/mazemaker_support;

parse_input(){
	if [ $# = 0 ]; then
		make
		exit
	fi;
	
	local R=60
	local C=80

	while [ "$#" -ge 1 ];
	do
	key="$1";

	case $key in
		-h|--help)
		print_help;
		exit
		;;

		-c|--clean)
		clean
		exit
		;;

		[0-9]*)
		local R=$1
		local C=$2
		shift 2
		;;

		--uninstall)
		sudo $mazemakerDir/uninstall.sh
		exit
		;;

		*)	# unknown option
		echo "Usage: $0 [options] rows columns"
		exit
		;;

	esac
	#shift # past argument or value
	done
	
	make $R $C
}

clean(){
	rm -f maze*.png;
	rm -f maze.txt path.txt;
}

#creates a maze of the given size
make(){ 
	local R=$1;
	local C=$2;
	$supportDir/mazemake ${R:=60} ${C:=80} > maze.txt;
	$supportDir/mazesolve < maze.txt > path.txt;

	mazename="maze_${R}x${C}.png";
	pathname="maze_path_${R}x${C}.png";


	$supportDir/mazeshow 10 maze.txt | convert - $mazename;
	$supportDir/mazeshow 10 maze.txt path.txt | convert - $pathname;

	rm maze.txt path.txt;
}

#Displays a list of possible commands
print_help(){
	echo "Usage: $0 [options] rows columns"
	echo
	echo "OPTIONS"
	echo "	-c, --clean"
	echo "		Removes maze files from the current directory"
	echo 
	echo "	-h, --help"
	echo "		Displays this screen"
	echo
	echo "	--uninstall"
	echo "		uninstalls Mazemaker from the machine"
	echo
}


parse_input $@;