#!/bin/bash

set -x

pushd .

cd ~/work
rm -rf ~/work/*

cp /home/minetest/.minetest/worlds/Survival_World/map.sqlite  survival_map.sqlite

cp /home/minetest/.minetest/worlds/Creative_World/map.sqlite  creative_map.sqlite

# the offset value is calculated as X + (Y*4*4096*4096), measured
# in mapblocks.  This is X=399, Y=24. 399 + (24*4*16777216) = 1610613135

echo "UPDATE blocks SET pos = pos + 1610613135;" | sqlite3 survival_map.sqlite

echo ".dump" | sqlite3 survival_map.sqlite | grep -v "CREATE TABLE" >survival_insert.sql

cat survival_insert.sql | sqlite3 creative_map.sqlite

# These lines re-center the combined result to where the survival map ended up.
# Values used were calculated by:
#
# abs(lowest_pos) + abs (highest_pos) + 1
# abs(lowest_pos) + abs (highest_pos) + offset_from_above + 1
#
# At the time this script was last run,
# lowest was -11881149124 and highest was 32430370609

echo "UPDATE blocks SET pos = pos + 44311519734;" | sqlite3 creative_map.sqlite
echo "UPDATE blocks SET pos = pos - 45922132869;" | sqlite3 creative_map.sqlite

cp creative_map.sqlite ~/.minetest/worlds/mapgen_testing/map.sqlite

cd ~/Minetest-related/minetest-mapper-cpp/

./minetest_mapper \
    --drawscale \
    --geometry -9500:-5500+15500+11000 \
    -i /home/vanessa/.minetest/worlds/mapgen_testing/ \
    -o ~/Digital-Audio-Concepts-Website/vanessa/hobbies/minetest/images/combined_map.png
popd

#gimp ~/Digital-Audio-Concepts-Website/vanessa/hobbies/minetest/images/combined_map.png