buildings staring at walls even when grenades are detonating in the room next door

    examples of inactive AI indoors here

    http://www.youtube.com/watch?v=N6y9bRJQ0LY

    I think you already have all doors and windows catalogued? Have AI switch their focus
    between the ones closer to them and speed up AI reaction time for all difficulty levels 
    for targets underneath 10 meters to emulate the "focused in" feeling that comes with 
    CQB.