preferredTerraintypeConstraint.h

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/*******************************************************************************
** Copyright (c) 2011 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*
* Copyright 2009 Autodesk, Inc. All rights reserved.
* This computer source code and related instructions and comments are the
* unpublished confidential and proprietary information of Autodesk, Inc. and
* are protected under applicable copyright and trade secret law. They may
* neither not be modified by you or any third party nor disclosed to, copied
* or used by any third party without the prior written consent of Autodesk, Inc.
*/

#pragma once

#include <bhaveSim/bhaveSimDefines.h>

#include "kyruntime/core/inextmovemanager.h"
#include "kypathdata/navmesh/navmeshtypes.h"
#include "kypathdata/navmesh/navtriangleptr.h"

namespace BHAVE
{
   class DtPreferredTerrainTypeBodyAttribute;

class DT_DLL_bhaveSim DtPreferredTerrainTypeConstraint : public Kaim::IConstraint
{
public:
   KY_DECLARE_CONSTRAINT(DtPreferredTerrainTypeConstraint);

   DtPreferredTerrainTypeConstraint();

   KyBool GetCost(Kaim::Bot* bot, const Kaim::PointWrapper& from, const Kaim::PointWrapper& to, KyFloat32& cost);
   KyBool GetCost_PathFinding(Kaim::Bot& bot, const Kaim::PointWrapper& from, const Kaim::PointWrapper& to, KyFloat32& cost);
   KyBool GetCost_PathFollowing(Kaim::Bot& bot, const Kaim::PointWrapper& from, const Kaim::PointWrapper& to, KyFloat32& cost);

   Kaim::NavTerrainTypeMask GetNavTerrainTypeMask(const Kaim::PointWrapper& pw, Kaim::Bot* bot);

   void SetDifficultyFactor(const KyFloat32& difficultyFactor);
   const KyFloat32& GetDifficultyFactor() const;

   virtual void OnStartAstar(const Kaim::GraphVertexPtr& /*start*/, const Kaim::GraphVertexPtr& /*dest*/)  { m_inAstar = KY_TRUE; }
   virtual void OnPauseAstar(const Kaim::GraphVertexPtr& /*start*/, const Kaim::GraphVertexPtr& /*dest*/)  { m_inAstar = KY_FALSE; }
   virtual void OnResumeAstar(const Kaim::GraphVertexPtr& /*start*/, const Kaim::GraphVertexPtr& /*dest*/) { m_inAstar = KY_TRUE; }
   virtual void OnFinishAstar(const Kaim::GraphVertexPtr& /*start*/, const Kaim::GraphVertexPtr& /*dest*/) { m_inAstar = KY_FALSE; }

protected:
   KyFloat32 GetCostRatio(const Kaim::NavTerrainTypeMask& terrainType) const;

   KyBool m_inAstar;
   KyFloat32 m_difficultyFactor; 
   const DtPreferredTerrainTypeBodyAttribute* myTerrainAttribute;
};
}