Method SkipEmptyBuckets

src/vehicle.cpp:472–485

* Advance the internal state until we reach a non-empty bucket, or the end. */

 * Advance the internal state until we reach a non-empty bucket, or the end.
 */
void VehiclesNearTileXY::Iterator::SkipEmptyBuckets()
{
	while (this->current_veh == nullptr) {
		if (this->hx != this->hxmax) {
			this->hx = IncTileHash1D(this->hx);
		} else if (this->hy != this->hymax) {
			this->hx = this->hxmin;
			this->hy = IncTileHash1D(this->hy);
		} else {
			return;
		}
		this->current_veh = _vehicle_tile_hash[ComposeTileHash(this->hx, this->hy)];
	}
}

/**
 * Advance the internal state until it reaches a vehicle within the search area.