message: Make aggro space spheroidal on Z
  By doubling the z difference used in distance calculation, mobs above or below the player will aggro less often.
diff: @@ -1174,7 +1174,7 @@ bool MobManager::aggroCheck(Mob *mob, time_t currTime) {
  // height is relevant for aggro distance because of platforming
  int xyDistance = hypot(mob->appearanceData.iX - plr->x, mob->appearanceData.iY - plr->y);
  - int distance = hypot(xyDistance, mob->appearanceData.iZ - plr->z);
  + int distance = hypot(xyDistance, (mob->appearanceData.iZ - plr->z) * 2); // difference in Z counts twice
  if (distance > mobRange || distance > closestDistance)
  continue;
  