////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2011
//
//    This file is part of Scorched3D.
//
//    Scorched3D is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    Scorched3D is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License along
//    with this program; if not, write to the Free Software Foundation, Inc.,
//    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
////////////////////////////////////////////////////////////////////////////////

#include <placement/PlacementTypeDirect.hpp>
#include <landscapemap/LandscapeMaps.hpp>
#include <engine/ScorchedContext.hpp>
#include <common/ProgressCounter.hpp>
#include <XML/XMLParser.hpp>

PlacementTypeDirect::PlacementTypeDirect()
{
}

PlacementTypeDirect::~PlacementTypeDirect()
{
}

bool PlacementTypeDirect::readXML(XMLNode *node)
{
	XMLNode *positionNode;
	while (node->getNamedChild("position", positionNode, false))
	{
		Position position;
		if (!positionNode->getNamedChild("position", position.position)) return false;
		positions.push_back(position);

		if (!positionNode->failChildren()) return false;
	}
	return PlacementType::readXML(node);
}

void PlacementTypeDirect::getPositions(ScorchedContext &context,
	RandomGenerator &generator,
	std::list<Position> &returnPositions,
	ProgressCounter *counter)
{
	std::list<Position>::iterator itor;
	int i = 0;
	for (itor = positions.begin();
		itor != positions.end();
		++itor, i++)
	{
		if (i % 10 == 0) if (counter) 
			counter->setNewPercentage(float(i)/float(positions.size())*100.0f);

		Position position = (*itor);
		fixed height = 
			context.getLandscapeMaps().
				getGroundMaps().getInterpHeight(position.position[0], position.position[1]);
		if (position.position[2] == 0) position.position[2] = height;

		returnPositions.push_back(position);
	}
}
