This is an update to address randomspawns not happening. Replace the value in the world: section of the randomspawn/PortableArenaRandomSpawns file to allow spawning of the arenas randomly in your worlds. Make sure to paste the new PortableArenaRandomSpawns to replace the old one. THE OLD ONE DID...
This is a MC 1.13.2 and MM 4.5.5 compatible version of Michael Strast's Wave Mechanic. The code is vastly different from the original version. I tried to make it as readable as possible. The old code was timer based and seemed to use quite a bit of resources. The new code is nearly completely...