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#!/bin/sh
# mapGen.sh
#
# Generate a map with ImageMagick from an input text file
inputFile="$1"
cellSize=8
tilesDir="./tiles"
height="$(wc -l <"$inputFile")"
width="$(awk '{print length($0)}' "$inputFile" | sort -nr | sed 1q)"
height=$((height*cellSize))
width=$((width*cellSize))
echo $width $height
convert -size "$width"x"$height" xc:cyan out.jpg
row=0
col=0
while read line; do
echo "$line" | (
while read -n1 char; do
tileFile="$(find $tilesDir | sed 's|.*/||' | grep "^$char")"
tileFile="${tilesDir}/${tileFile}"
echo "$tileFile" | wc -l | grep 1 >/dev/null || continue
convert out.jpg "$tileFile" -geometry +"$col"+"$row" -composite out.jpg ||
convert out.jpg -fill red -draw "point $col,$row" out.jpg
col=$((col+cellSize))
done)
row=$((row+cellSize))
col=0
done <"$inputFile"
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