public Sprite getImageBack() { if (unit != null && unit.definesBackground()) { return(unit.getPortraitBackground()); } if (house != null) { return(map.world.textureStore.layerBack[house.background]); } if (imgIndBack == -1) { imgIndBack = Eleven.random.Next(map.world.textureStore.layerBack.Count); } return(map.world.textureStore.layerBack[imgIndBack]); }