* Portable Turret Optimization
Optimizes portable turrets. Takes from Chomp PR here: https://github.com/CHOMPStation2/CHOMPStation2/pull/8088
Optimizes them further by changing mobs_in_xray_view to mobs_in_view.
Reason: mobs_in_xray_view was adding mobs that were out of sight (behind walls) to the target list and trying to do pathfinding to shoot them. If you had 20 mobs around a PoI with turrets, it'd use a LOT of CPU needlessly.
Also adds in Chomp's /mobs.dm helpers as they're helpful.
* Ports over Chompstation Sound Optimizations
- Replaces for( listeners) with a check that sees if a listener is ALSO a hearer
- Makes it so even if there is no vary, if someone has a frequency it uses the frequency for playsound_local
From https://github.com/CHOMPStation2/CHOMPStation2/pull/8088
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