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 <list>
#include <vlutil/vlSmartPointers.h>
#include <geometry/intersectionRecord.h>
#include <tbb/spin_rw_mutex.h>

typedef DtBoost::shared_ptr<btCollisionObject> DtCollisionObjectSharedPtr;
typedef std::multimap<DtTriangleMeshWithSoil*, btCollisionObject*> DtMeshToCollObjMMap;
typedef std::map<osg::Geode*, DtTriangleMeshWithSoil*> DtGeodeToMeshMap;

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 btCollisionWorld* bulletCollisionWorld();

   virtual const DtMeshToCollObjMMap* const meshToCollObjMMap() const;

   virtual void addCollisionObjectToWorld(
      btCollisionObject* collisionObject, DtTriangleMeshWithSoil* triangleMesh);

   virtual void addCollisionObjectsToWorld(
      DtCollObjMeshPairList* collObjMeshPairs);

   virtual unsigned int removeCollisionObjectFromWorld(
      btCollisionObject* collisionObject);

   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 setDebugDrawer(btIDebugDraw* drawer);
   virtual void drawDebugInfo() const;

   //If a triangle mesh has been created for the given geode
   //return it, otherwise 0.
   //virtual DtTriangleMeshWithSoil* meshForGeode(osg::Geode* geode);
   //virtual void addGeodeToMeshMapping(osg::Geode* geode, 

protected:
   //Bullet intersection members.

   std::set<DtTriangleMeshWithSoil*> myMeshList;
   //DtGeodeToMeshMap myGeodeToMeshMap;
   DtMeshToCollObjMMap myMeshToCollObjMMap;   

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

   mutable tbb::spin_rw_mutex myMutex;
};