Gah - a solution with more questions. – EntropicLqd

Legacy:FaceToTalkTrigger

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Postal 2 :: Actor >> Triggers >> Trigger >> FaceToTalkTrigger (Package: MoreGame)

Causes the dude to say something, but only when he's looking directly at this actor. Used in many maps where the dude can comment on his surroundings ("Did someone slaughter a goat in here? Seriously, I wanna know.")

Properties[edit]

float CanSeeViewCone 
Tightness of view cone. 0.1 is very tight, 1 is very wide
Sound SoundToPlay 
Say exactly this when you see this trigger