Weapon balancing

Building drones is fun and I think in the final game there have to be more restriction. One point are the weapons and shields. Some weapons become very quick outdated and (too) many weapons are on turrets. In general the energy cost should be higher and missiles/flamer could cost fuel.

The size is also a good starting point for balancing. Turrets could be 2x2 so normal weapons become more interesting, same for missiles (1x2) or flamer (2x1).

Shields seem to be too powerful as well, some sort of strength would be good. This make also room for different shield types (stronger, bigger, fast recharge) also kinetic damage protection would be nice.