Marines Alien Storm A15 file

Not much new game play yeat but heeps pf changes all over.

Added Item system. tweaked movement and weight of objects. Increase rez a little. Limited AI line of sight range. Lots of HUD changes. Added Run with shift. Added battery power. Added Door key system. Limited Hit sounds. Added Res changed Option. Tweaked player sight and screen scroll speed. Lots of other changes behind the secens.

Thanks every body more updates to cum.