boundingVolumeSupportPointCalculator.h

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/*******************************************************************************
** Copyright (c) 2013 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/



#pragma once

#include <vrfGuiCore/vrfGuiCore.h>

#include <matrix/vlVector.h>
#include <map>

class DtEntityType;
class Dt3dBoundingVolume;

namespace makVrv
{
   class DtDe;
   class DtSceneObject;
   class DtOsgExtrudedPolygonModel;
}

namespace osg
{
   class Node;
}

namespace makVrf
{
   class DT_DLL_VRFGUICORE DtBoundingVolumeSupportPointCalculator
   {
   public:
      enum Framework
      {
         NoFramework = 0,
         AllModels = 1,
         DiGuyOnly = 2,
         ArticulatedOnly = 3
      };

      struct LRInfo
      {
         double distance;
         DtVector left;
         DtVector right;
         DtVector other;
         bool hasOther;
      };

      typedef std::map<double, LRInfo> LeftRightCalcs;

      typedef std::map<double, std::vector<DtVector> > PointsByHeight;

   public:
      DtBoundingVolumeSupportPointCalculator(makVrv::DtDe&);
      
      virtual ~DtBoundingVolumeSupportPointCalculator();

      //
      virtual bool calculateSupportPointsAndBoundingVolume(const DtEntityType&, makVrv::DtSceneObject*,
         DtVector& left, DtVector& right, DtVector& other, Dt3dBoundingVolume&, const Framework&);

   protected:
      virtual osg::Node* rootNodeFromSceneObject(makVrv::DtSceneObject*, bool& isDiGuy) const;

      virtual void calculatePossibleLeftRightPointsFromModel(const PointsByHeight&, const Dt3dBoundingVolume& bv,
         LeftRightCalcs&) const;

   protected:
      makVrv::DtOsgExtrudedPolygonModel* myFramework;
      makVrv::DtDe& myDe;
   };
}