New Weapon: TC79 Energy Field Generator

[BenLubar]

Tech only. Inspired by the TF2 medic's projectile shield in Mann vs Machine. Quarter-circular energy sheet that destroys enemy projectiles and deals damage (including friendly fire) to anything directly touching it. Moves with the marine and cannot be holstered, dropped, or fired while active. Firing it would expend a charge and activate it for X seconds. Dying with it active would remove the remaining duration on the current activation.

[BenLubar]

We're changing the energy shield to be an alt fire and giving Techs a designated marksman rifle. While the alt fire charge is active, the weapon cannot be stowed or dropped. Uses regular rifle ammo, which means it can refill alt fire from rifle specific ammo packs. Semi-auto, better accuracy than most rifles, but lower fire rate. Can fire while shielding.

Shield blocks passage for NPCs, pushing if the shield is moved. If pressing against the side of the shield not facing the Tech, the shield deals some amount of dissolve damage. Shield counts as solid to alien projectiles and can harmlessly dissolve alien bombs, but leaves manufactured projectiles and bullets alone.