#!/bin/bash
#
# Copyright (C) 2007 LAFKON/Christoph Haag.
#
# This is free software, and you may redistribute it under the GPL.
# This Software comes with absolutely no warranty, for details, 
# see the license (http://www.lafkon.net/gpl.txt)
#

# 001111111 # ACCUMULATION OF CONNECTORS IS DEFINED HERE
# 010001100 # ACCUMULATION OF CONNECTORS IS DEFINED HERE
# 011000111 # ACCUMULATION OF CONNECTORS IS DEFINED HERE
# 010010111 # ACCUMULATION OF CONNECTORS IS DEFINED HERE
# 001110000 # ACCUMULATION OF CONNECTORS IS DEFINED HERE
# 001011000 # ACCUMULATION OF CONNECTORS IS DEFINED HERE
# 111111111 # ACCUMULATION OF CONNECTORS IS DEFINED HERE
# 000000011 # AKKUMULATION OF CONNECTORS IS DEFINED LOFTY
# 010000001 # AKKUMULATION OF CONNECTORS IS DEFINED LOFTY
# 000011001 # AKKUMULATION OF CONNECTORS IS DEFINED LOFTY
# 100011001 # ACCUMULATION OF CONNECTORS IS DEFINED LOFTY

VERT=$1
HORIZ=`expr $2 \* $3`
LSDIR=cols+rows/multipage/$1x$HORIZ
#LSDIR=$3
TILEDIR=tiles
TILEPATH=i/$TILEDIR
SELECTOR=

VARCONNECTORS=`sed -n '/ACCUMULATION/p' ./ioioi4multipage.sh |\
					sed -n '/sed/!p' |\
					cut -d "#" -f 2 |\

					rl --count=1`

#################################################
# TEST TO SUPPLY OPTIONAL COMMANDLINE ARGUMENTS #

TEST=`echo $4 | tr -d 0 | cut -c 1`
TEST=`expr $TEST + 1`

	if [ $TEST -gt 1 ] ; then

	VARCONNECTORS=$4
	
	fi
#################################################

	echo $VARCONNECTORS

J=1
while [ $J -le $VERT ]
do


LS=$J.list

I=1

while [ $I -le $HORIZ ]
do


# GENERATE 2 DIFFERENT RANDOM NUMBERS #
RBNDOM=`echo $RANDOM | cut -c 1`
RCNDOM=`echo $RANDOM | cut -c 1`

	LSBEFORE=$LSDIR/$((J - 1)).list 
	LINE=`expr $HORIZ + 1 - $I`

		if [ $J -gt 1 ]
		then
			F3=`sed -n "$((LINE))p" $LSBEFORE  | cut -d _ -f 2`
			else
			F3=0
		fi

		if [ $I -ge $((HORIZ - 4)) ] || [ $I -le 4 ] && [ $J -le $((VERT - 1)) ]
		then
		
		SELECTOR="-v HO"
		
		else
		
		SELECTOR="svg"

		fi
		


if [ $I -le 1 ]
	then

			F1=0
			# F1=`echo $VARCONNECTORS | cut -c $RBNDOM`
			F2=0
			# F3 IS DEFINED AT LOOPSTART
			F3=0
			# F4=`echo $VARCONNECTORS | cut -c $RCNDOM`
			F4=0

			RNDMZR=`ls $TILEDIR |\
				grep $SELECTOR |\
				grep $F1"_"$F2"_"$F3"_"$F4"_".svg |\
				rl --count=1`

			echo $TILEPATH/$RNDMZR > $LS	

	I=`expr $I + 1`

elif [ $I -lt $((HORIZ - 1)) ] # $HORIZ -5 -> AUSFRANSEN

	then

			F1=`echo $VARCONNECTORS | cut -c $RBNDOM`
			F2=$F4
			# F3 IS DEFINED AT LOOPSTART
			F4=`echo $VARCONNECTORS | cut -c $RCNDOM`

			RNDMZR=`ls $TILEDIR |\
				grep $SELECTOR |\
				grep $F1"_"$F2"_"$F3"_"$F4"_".svg |\
				rl --count=1`

			echo $TILEPATH/$RNDMZR >> $LS	

	I=`expr $I + 1`	
	
else

			F1=0
			F2=$F4
			# F3 IS DEFINED AT LOOPSTART
			F4=0

			RNDMZR=`ls $TILEDIR |\
				grep $SELECTOR |\
				grep $F1"_"$F2"_"$F3"_"$F4"_".svg |\
				rl --count=1`

			echo $TILEPATH/$RNDMZR >> $LS	



	I=`expr $I + 1`

fi

done

################################################
## HAPPY END ###################################
################################################

if [ $J -ge $((VERT - 1)) ]	### FADE OUT ###

then


	rm $LS
	I=1

	while [ $I -le $HORIZ ]
	do

	VARCONNECTORS=`sed -n '/LOFTY/p' ./ioioi4multipage.sh |\
						sed -n '/sed/!p' |\
						cut -d "#" -f 2 |\
						rl --count=1`
	LS=$J.list
	LSBEFORE=$LSDIR/$((J - 1)).list 
	LINE=`expr $HORIZ + 1 - $I`

	# IF BOTTOM-CONNECTION = 0 -> TOP-CONNECTION = 0 #
	F1=`sed -n "$((LINE))p" $LSBEFORE  | cut -d _ -f 2`

	# IF BOTTOM-CONNECTION = 1 -> TOP-CONNECTION = RANDOM #
	if [ $F1 -ge 1 ]
	then

	F1=`echo $VARCONNECTORS | cut -c $RBNDOM`

fi

# IF LAST LINE -> TOP-CONNECTION = 0 #
if [ $J -ge $VERT ]
then
	F1=0
fi

	F2=$F4
	F3=`sed -n "$((LINE))p" $LSBEFORE  | cut -d _ -f 2`
	F4=`echo $VARCONNECTORS | cut -c $RBNDOM`

			
		# PREVENT FLYING INSTRUMENTS #
		if [ $F3 -le 0 ] && [ $J -ge $VERT ]
		then
			F4=0
			SELECTOR=HO
		fi

		if [ $I -ge $((HORIZ - 2)) ] || [ $I -le 1 ]
		then
			SELECTOR=C
		fi

# CLOSE LEFT BORDER #
if [ $I -ge $((HORIZ - 1)) ]
then
	F4=0
fi

### GREP $SELECTOR FOR HAPPY END ###
 	RNDMZR=`ls $TILEDIR |\
 		grep $SELECTOR |\
 		grep $F1"_"$F2"_"$F3"_"$F4"_".svg |\
 		rl --count=1`
	
	echo $TILEPATH/$RNDMZR >> $LS

	I=`expr $I + 1`
	
	done
fi

################################################
################################################
################################################

# ZEILEN UMDREHEN UND WIEDER AUSGEBEN #

sed '1!G;h;$!d' $LS > /tmp/$LS.tmp
rm $LS
cat /tmp/$LS.tmp > $LSDIR/$LS

J=`expr $J + 1`

done


exit 0;