Method isPlaceable

src/Basescape/BaseView.cpp:197–230

* Returns if a certain facility can be successfully * placed on the currently selected square. * @param rule Facility type. * @return True if placeable, False otherwise. */

 * @return True if placeable, False otherwise.
 */
bool BaseView::isPlaceable(RuleBaseFacility *rule) const
{
	// Check if square isn't occupied
	for (int y = _gridY; y < _gridY + rule->getSize(); ++y)
	{
		for (int x = _gridX; x < _gridX + rule->getSize(); ++x)
		{
			if (x < 0 || x >= BASE_SIZE || y < 0 || y >= BASE_SIZE)
			{
				return false;
			}
			if (_facilities[x][y] != 0)
			{
				return false;
			}
		}
	}

	bool bq=Options::allowBuildingQueue;

	// Check for another facility to connect to
	for (int i = 0; i < rule->getSize(); ++i)
	{
		if ((_gridX > 0 && _facilities[_gridX - 1][_gridY + i] != 0 && (bq || _facilities[_gridX - 1][_gridY + i]->getBuildTime() == 0)) ||
			(_gridY > 0 && _facilities[_gridX + i][_gridY - 1] != 0 && (bq || _facilities[_gridX + i][_gridY - 1]->getBuildTime() == 0)) ||
			(_gridX + rule->getSize() < BASE_SIZE && _facilities[_gridX + rule->getSize()][_gridY + i] != 0 && (bq || _facilities[_gridX + rule->getSize()][_gridY + i]->getBuildTime() == 0)) ||
			(_gridY + rule->getSize() < BASE_SIZE && _facilities[_gridX + i][_gridY + rule->getSize()] != 0 && (bq || _facilities[_gridX + i][_gridY + rule->getSize()]->getBuildTime() == 0)))
		{
			return true;
		}
	}

	return false;
}

/**
 * Returns if the placed facility is placed in queue or not.