mapper.sh: clean up a bit, improve some old, very bad things

mapper.sh

@@ -10,6 +10,11 @@
 
 set -e
 
+## --< Variables >--
+#
+# preventing ImageMagick caching errors
+## must be the full path for some reason
+## the folder is in the userdir to ensure having enough space.
 export MAGICK_TMPDIR="/home/minetest/.im"
 export MAGICK_MEMORY_LIMIT=4G
 
@@ -26,17 +31,25 @@ klein="$cddir/daily_small.jpg"
 tarfile="$cddir/daily.tar.bz2"
 
 date=$(date  "+%d-%m-%Y")
-
-cd $cddir
+#
+#
+## GO!
+#
+#
 cp -r $main $cddir/world_$DATE.png
 
 cd $mapperdir
-./minetestmapper --geometry -10000:-12000+12000+12000 --bgcolor '#333333' --drawalpha --drawscale -i $sourcedir -o $main
-cd $cddir
-cp daily.png daily.jpg
-mogrify -resize 1000 -format jpg -quality 100 daily.png
-mv daily.jpg daily_small.jpg
+./minetestmapper --geometry -10000:-12000+20000+20000 --bgcolor '#333333' --drawalpha --drawscale -i $sourcedir -o $main
 
-tar -cvjf $tarfile daily.png
+cd /tmp
+mkdir -p minetestmapper
+cd minetestmapper
+cp $main daily_small.jpg
+mogrify -resize 1000 -quality 100 daily_small.jpg
+mv daily_small.jpg $klein
 
 python $gdadir/gdal2tiles.py -l -p raster -z 0-10 -w none $main $tiles
+
+# medium priority and a useless long task - until something more handy, just move it to the bottom
+cd $cddir
+tar -cvjf $tarfile $main