You need a POSIX environment, jq, zip+unzip, cURL, dos2unix and imagemagick to run this.
Deleting a line from .idcache causes the map to be redownloaded.
Do NOT under any circumstances modify .namecache. If it is corrupted you must
make clean; make

Edit config.sh to configure the tool. This is not optional.
Edit briefing.txt to edit the mission briefing.