Method setUnitPosition

src/Savegame/SavedBattleGame.cpp:1422–1465

* Places units on the map. Handles large units that are placed on multiple tiles. * @param bu The unit to be placed. * @param position The position to place the unit. * @param testOnly If true then just checks if the unit can be placed at the position. * @return True if the unit could be successfully placed. */

 * @return True if the unit could be successfully placed.
 */
bool SavedBattleGame::setUnitPosition(BattleUnit *bu, const Position &position, bool testOnly)
{
	int size = bu->getArmor()->getSize() - 1;

	// first check if the tiles are occupied
	for (int x = size; x >= 0; x--)
	{
		for (int y = size; y >= 0; y--)
		{
			Tile *t = getTile(position + Position(x,y,0));
			Tile *tb = getTile(position + Position(x,y,-1));
			if (t == 0 || (t->getUnit() != 0 && t->getUnit() != bu) || t->getTUCost(MapData::O_OBJECT, bu->getArmor()->getMovementType()) == 255 || (t->hasNoFloor(tb) && bu->getArmor()->getMovementType() != MT_FLY))
			{
				return false;
			}
		}
	}

	if (size > 0)
	{
		getPathfinding()->setUnit(bu);
		for (int dir = 2; dir <= 4; ++dir)
		{
			if (getPathfinding()->isBlocked(getTile(position), 0, dir, 0))
				return false;
		}
	}

	if (testOnly) return true;

	for (int x = size; x >= 0; x--)
	{
		for (int y = size; y >= 0; y--)
		{
			if (x==0 && y==0)
			{
				bu->setPosition(position);
			}
			getTile(position + Position(x,y,0))->setUnit(bu, getTile(position + Position(x,y,-1)));
		}
	}

	return true;
}

/**
 * @brief Checks whether anyone on a particular faction is looking at the unit.