private void CityPointer() {
		if (bld!=-1) {
			if (oldx != x || oldy !=y) {
				Game.builds.get(bld).health = Game.builds.get(bld).maxhealth;
			} 
			Game.builds.get(bld).Locked = false;
		}
		bld = -1;
		for (int i = 0; i < Game.builds.size(); i++) {
			if (Game.builds.get(i).x==x && Game.builds.get(i).y==y) {
				bld = i;
				Game.builds.get(bld).Locked = true;
				return;
			}
		}
	}