Skip out-of-bounds voxels a bit earlier
Skip out-of-bounds voxels a bit earlier

pmprog/OpenApoc,Istrebitel/OpenApoc,FranciscoDA/OpenApoc,ShadowDancer/OpenApoc,FranciscoDA/OpenApoc,steveschnepp/OpenApoc,ShadowDancer/OpenApoc,Istrebitel/OpenApoc,steveschnepp/OpenApoc,FranciscoDA/OpenApoc,pmprog/OpenApoc