Minor changes to the announcer system to allow custom announcers to be set up easily.

Minor fixes preparing for extension + half-translated Bestiary

Fixed hl2 weapons not showing up in the menu, minor other lua error fixes.

Fixed missile turrets being unable to damage helicopters, made hacked turrets take 3x damage, tesla/shield charger stunned when hacked, Alyx takes more damage from stunsticks.

Miscellaneous fixes

Miscellaneous fixes.

Various fixes and optimisations.

Adjustments to flashpoints to prevent softlocking, Enemies should be less likely to get stuck in walls, Enemies should be relocated if they ever fall under the map, Fixed antlions sometimes failing to unburrow and permanently eating the softcap, fixed antlion workers technically existing without episodes (but as normal drones with higher bounty).

Fixed issues with HUD blocking visibility when scoped in with some weapon bases. Made NPC Portals not spawn NPCs unless players are at least vaguely near. Made NPC portals only spawn in the main zone. Made prefabs (including NPC portals) only spawn in valid areas (i.e. not under displacements).

Players joining during evacuation are automatically counted as evacuated, misc bugfixes.