MinHearDistance 75.0 // was 50.0
MaxHearDistance 400.0 // was 400.0
MinViewDistance 65.0 // was 50.0
MaxViewDistance 1200.0 // was 400.0
MinHalfViewAngle 50.0 // was 20.0
MaxHalfViewAngle 120.0 // was 110.0
UnalertedViewDistanceFactor 0.275 // was 0.5
UnalertedViewAngleFactor 0.50 // was 0.5
SilencerFactor 0.125 // was 0.25
DefaultMercHalfViewAngle 150.0 // was 110.0, used for human non-guarding players. Always overrides perception calculated values to avoid hassle with detecting items etc.
DefaultMercViewDistanceFactor 0.6 // was 0.5, used for human non-guarding players
GuardingMercViewAngleFactor 0.7 // was 0.5, used for human guarding players
OccludedHearability 0.6 // was 1.0 (well okay it didn't exist at all)

// Values in ENoise:

// kNoise_BulletImpact, // << is reduced to SilencerFactor for guns with silencer
Noise(1200)
// kNoise_Explosion
Noise(10000)
// kNoise_GrenadeBounce
Noise(300)
//kNoise_AIUnalertedBaseNoise
Noise(150)
//kNoise_CharacterClimbing
Noise(120)
//kNoise_GunShot // << is reduced to 1/4 for guns with silencer
Noise(3000)
// kNoise_CallHelp
Noise(2000)
// kNoise_DoorOpenClose
Noise(150)
// kNoise_DoorUseKey
Noise(100)
// kNoise_DoorPickLock
Noise(130)
// kNoise_DoorCrowbar
Noise(1200)
// kNoise_CharacterMoveRun
Noise(250)
// kNoise_CharacterMoveWounded
Noise(120)
// kNoise_CharacterMovePatrol
Noise(200)
// kNoise_CharacterMoveAiming
Noise(40)
// kNoise_CharacterMoveWalk
Noise(40)
// kNoise_CharacterMoveCrouch
Noise(40)
// kNoise_CharacterMoveLying
Noise(40)


