// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010  Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

#ifndef LANDSCAPE_H
#define LANDSCAPE_H

//
// Includes
//

#include <vector>

#include <nel/3d/u_landscape.h>
#include <nel/misc/time_nl.h>
#include <nel/misc/vector.h>

//
// External definitions
//

namespace NL3D
{
	class UInstanceGroup;
}

namespace SBCLIENT {

class CTrajectory;


//
// External variables
//

extern std::vector<NL3D::UInstanceGroup*>	 InstanceGroups;
extern NLMISC::CVector						 SunDirection;


//
// External functions
//

void initLight();
void releaseLight();

void initLandscape();
void releaseLandscape();

void initAiming();
void releaseAiming();

void updateLandscape();

void loadAllZonesAround();

// Compute the collision with the landscape from the start position, using the given step,
// at maximum numSteps steps from the start. It uses full (!) physics computation, and should be
// identical on the server
NLMISC::CVector	getTarget(const NLMISC::CVector &start, const NLMISC::CVector &step, uint numSteps);

} /* namespace SBCLIENT */

#endif // LANDSCAPE_H

/* End of landscape.h */