Script to create a map of a Minetest world (then optimize it using oxipng)

mapper.sh

#!/bin/bash

set -euo pipefail

MAP_DIR="/home/hugo/.minetest/worlds/calinou"
TEMP_FILE="/tmp/map_calinou.png"
OUTPUT_FILE="/var/www/games.hugo.pro/minetest/map_calinou.png"

echo "Rendering map, this may take a while…"
/usr/local/bin/minetestmapper \
	--input "$MAP_DIR" \
	--output "$TEMP_FILE" \
	--drawscale --drawalpha \
	--scalecolor "#eeeeee" --bgcolor "#0e0e0e"

echo "Optimizing image, this may take a while…"
/home/hugo/.cargo/bin/oxipng "$TEMP_FILE"

echo "Moving temporary file to final destination…"
rm -f "$OUTPUT_FILE"
mv "$TEMP_FILE" "$OUTPUT_FILE"
echo "Done."