#!/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)

# 101010111 # ACCUMULATION OF CONNECTORS IS DEFINED HERE
# 110000000 # ACCUMULATION OF CONNECTORS IS DEFINED HERE
# 111000111 # ACCUMULATION OF CONNECTORS IS DEFINED HERE #
# 101010111 # ACCUMULATION OF CONNECTORS IS DEFINED HERE
# 100000000 # ACCUMULATION OF CONNECTORS IS DEFINED HERE
# 001110000 # ACCUMULATION OF CONNECTORS IS DEFINED HERE #
# 011000000 # ACCUMULATION OF CONNECTORS IS DEFINED HERE
# 001010001 # ACCUMULATION OF CONNECTORS IS DEFINED HERE # 2009

VERT=$1
HORIZ=$2
LSDIR=$3
TILEDIR=tiles
TILEPATH=i/$TILEDIR

#VARCONNECTORS="101010111"
VARCONNECTORS=`sed -n '/ACCUMULATION/p' ./ioioi.sh |\
		sed -n '/sed/!p' |\
		cut -d "#" -f 2 |\
		rl --count=1`
		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 -le 1 ]
	then
			F1=`echo $VARCONNECTORS | cut -c $RBNDOM`
			F2=0
			# F3 IS DEFINED AT LOOPSTART
			F4=`echo $VARCONNECTORS | cut -c $RCNDOM`

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

			echo $TILEPATH/$RNDMZR > $LS	
	I=`expr $I + 1`

elif [ $I -lt $HORIZ ]
	then
			F1=`echo $VARCONNECTORS | cut -c $RBNDOM`
			F2=$F4
			# F3 IS DEFINED AT LOOPSTART
			F4=`echo $VARCONNECTORS | cut -c $RCNDOM`

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

			echo $TILEPATH/$RNDMZR >> $LS	
	I=`expr $I + 1`	
else
			F1=`echo $VARCONNECTORS | cut -c $RBNDOM`
			F2=$F4
			# F3 IS DEFINED AT LOOPSTART
			F4=0

			RNDMZR=`ls $TILEDIR |\
				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 - 0)) ]	### FADE OUT ###
then
	rm $LS
	I=1

	while [ $I -le $HORIZ ]
	do

	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`
	F1=`echo "111111000" | 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 ]
then
	F4=0
fi

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

### GREP HOL*(LYWOOD) FOR HAPPY END ###
 	RNDMZR=`ls $TILEDIR |\
 		grep HOL |\
 		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;