b7376e0865
Make EntityLiving call AI logic every tick again. Rework PathfinderGoalSelector logic. Adds UnsafeList for use in places where we use ArrayList and know we won't get index out of range errors. Added usage to World's tickEntities, Chunk's entitySlices to speed up searching for entities, and to PathfinderGoalSelector to speed up dealing with AI goals. Reworked logic in PathfinderGoalSelector with help from fullwall. This code no longer uses an extra ArrayList for setting up goals and only updates which goals should be run every other time it is called. Removed only calling PathfinderGoalSelector every other tick from EntityLiving as we now only setup new goals every other tick. This ensures existing goals run every tick to properly update mob movement.