Method selectPlayerUnit

src/Savegame/SavedBattleGame.cpp:628–685

* Selects the next player unit in a certain direction. * @param dir Direction to select, eg. -1 for previous and 1 for next. * @param checkReselect Whether to check if we should reselect a unit. * @param setReselect Don't reselect a unit. * @param checkInventory Whether to check if the unit has an inventory. * @return Pointer to new selected BattleUnit, NULL if none can be selected. */

 * @return Pointer to new selected BattleUnit, NULL if none can be selected.
 */
BattleUnit *SavedBattleGame::selectPlayerUnit(int dir, bool checkReselect, bool setReselect, bool checkInventory)
{
	if (_selectedUnit != 0 && setReselect)
	{
		_selectedUnit->dontReselect();
	}
	if (_units.empty())
	{
		return 0;
	}

	std::vector<BattleUnit*>::iterator begin, end;
	if (dir > 0)
	{
		begin = _units.begin();
		end = _units.end()-1;
	}
	else if (dir < 0)
	{
		begin = _units.end()-1;
		end = _units.begin();
	}

	std::vector<BattleUnit*>::iterator i = std::find(_units.begin(), _units.end(), _selectedUnit);
	do
	{
		// no unit selected
		if (i == _units.end())
		{
			i = begin;
			continue;
		}
		if (i != end)
		{
			i += dir;
		}
		// reached the end, wrap-around
		else
		{
			i = begin;
		}
		// back to where we started... no more units found
		if (*i == _selectedUnit)
		{
			if (checkReselect && !_selectedUnit->reselectAllowed())
				_selectedUnit = 0;
			return _selectedUnit;
		}
		else if (_selectedUnit == 0 && i == begin)
		{
			return _selectedUnit;
		}
	}
	while (!(*i)->isSelectable(_side, checkReselect, checkInventory));

	_selectedUnit = (*i);
	return _selectedUnit;
}