collisionWorld.h

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/*******************************************************************************
** Copyright (c) 2010 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/



#pragma once

#include <vantageTerrainImplementation/osgToBullet.h>
#include <vantageTerrainImplementation/vantageTerrainConsoleCommands.h>
#include <vantageTerrainImplementation/vantageTerrainImplementationDefines.h>
#include <vantageTerrainImplementation/sharedMemoryBulletDebugDrawer.h>
#include <vantageTerrainImplementation/vantageTerrainImplementation.h>
#include <list>
#include <vlutil/vlSmartPointers.h>
#include <geometry/intersectionRecord.h>
#include <tbb/spin_rw_mutex.h>
#include <boost/unordered_set.hpp>
#include <features/proj.h>

typedef std::list<btCollisionObject*> DtCollisionObjectList;

class DtChord;
class DtChordIntersectionRecord;
class DtChordIntersectRecordList;
class DtSphere;
class DtSphereIntersectionRecord;

class DT_DLL_vantageTerrainImplementation DtCollisionWorld
{
private:

   DtCollisionWorld(const DtCollisionWorld&);
   DtCollisionWorld& operator=(const DtCollisionWorld&);
public:
   DtCollisionWorld();
   virtual ~DtCollisionWorld();

   virtual void initialize();

   virtual unsigned collisionObjectCount();

   virtual void addCollisionObjectToWorld(btCollisionObject*);

   virtual void addCollisionObjectsToWorld(DtCollisionObjectList&);

   virtual unsigned int removeCollisionObjectFromWorld(btCollisionObject* collisionObject);

   virtual unsigned int removeCollisionObjectsFromWorld(DtCollisionObjectList&);

   virtual bool chordIntersect(const DtChord& chord,
      DtChordIntersectionRecord& record,
      DtIntersectionRecord::DtIntersectionType irtFlag = DtIntersectionRecord::INT_ALL_DATA) const;

   virtual bool allIntersectsAlongChord(const DtChord& chord,
      DtChordIntersectRecordList& intList,
      DtIntersectionRecord::DtIntersectionType irtFlag = DtIntersectionRecord::INT_ALL_DATA) const;

   virtual bool sphereIntersect(const DtSphere& sphere, DtSphereIntersectionRecord& record,
      DtIntersectionRecord::DtIntersectionType irtFlag = DtIntersectionRecord::INT_ALL_DATA) const;

   virtual void setCoordinateSystem(const Coordinate_System* cs);
   virtual const Coordinate_System* coordinateSystem();

   virtual void drawDebugInfo();
   virtual void setDebugDraw(bool enabled);
   virtual void setAabbDraw(bool enabled);

   virtual void processTrianglesInArea(DtBulletTriangleCallback&);

protected:
   virtual btCollisionWorld* bulletCollisionWorld();

   //Bullet intersection members.
 
   typedef boost::unordered_set<btCollisionObject*> CollisionObjectSet;
   CollisionObjectSet myCollisionObjects;

   const Coordinate_System* myCoordinateSystem;
   btCollisionWorld* myCollisionWorld;

   std::auto_ptr<DtSharedMemoryBulletDebugDrawer> myDebugDrawer;
   std::auto_ptr<DtSharedMemoryBulletDebugDrawer> myAabbDrawer;
   bool myChangedSinceLastDraw;

   btCollisionConfiguration* myCollisionConfiguration;
   btBroadphaseInterface* myBroadphaseInterface;
   btCollisionDispatcher* myCollisionDispatcher;

   typedef tbb::spin_rw_mutex Mutex;
   mutable Mutex myMutex;
};