Standalone version of the AI revamp, extracted from my Immersive Overhaul mods pack. Includes Fix AI Footsteps Sound.

• AI Revamp: vision and hearing detection revamped to adjust for time of day, weather, movement, indoors, flashlight, suppressor usage etc., AI more likely to use full auto, AI will sometimes briefly suppress the player's last known position when losing sight of player etc.
• AI Sound Rework: Fixed enemy footsteps sound. Supersonic bullet crack now plays only if the enemy bullet goes past the player, before the shot sound, delay is based on distance
• AI Gear: Border guards and the military can equip armor plates and helmets. Some enemies use rifle optics. Expect more accurate fire from them.
• More enemies: slight increase to the number of active and total enemies, more randomized

Gameplay by SunBroSquad: