sharedMemoryBulletDebugDrawer.h

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



#pragma once


#include <vantageTerrainImplementation/vantageTerrainImplementationDefines.h>

#include <btBulletCollisionCommon.h>
#include "simTerrainDrawer/debugDrawerSharedMemoryManager.h"

class Coordinate_System;

class DT_DLL_vantageTerrainImplementation DtSharedMemoryBulletDebugDrawer
   : public btIDebugDraw
{
public:
   class ScopedFrame
   {
   public:
      explicit ScopedFrame(DtSharedMemoryBulletDebugDrawer& drawer)
         : myDrawer(drawer)
         , myLock(*drawer.shmMem)
      {
         drawer.currentFrame = &myLock;
      }

      ~ScopedFrame()
      {
         myDrawer.currentFrame = 0;
      }

   private:
      DtSharedMemoryBulletDebugDrawer& myDrawer;
      DtMultiBufferDebugDrawer::ScopedFrame myLock;
   };

   friend class ScopedFrame;

   DtSharedMemoryBulletDebugDrawer(
      unsigned long bufferSize=10485670/2, unsigned long maxSize=13*10485760/2);

   DtSharedMemoryBulletDebugDrawer(
      std::string tag, unsigned long bufferSize=10485670/2, unsigned long maxSize=13*10485760/2);

   virtual ~DtSharedMemoryBulletDebugDrawer();

   virtual const Coordinate_System* coordinateSystem() const;

   virtual void setCoordinateSystem(const Coordinate_System* cs);

   virtual void drawLine(const btVector3& from,const btVector3& to,const btVector3& color);

   virtual void drawSphere(const btVector3& p, btScalar radius, const btVector3& color); 

   virtual void drawTriangle(
      const btVector3& v0, const btVector3& v1, const btVector3& v2,
      const btVector3& /*n0*/, const btVector3& /*n1*/, const btVector3& /*n2*/,
      const btVector3& color, btScalar alpha)
   {
      drawTriangle(v0,v1,v2,color,alpha);
   }

   virtual void drawTriangle(
      const btVector3& v0,  const btVector3& v1,const btVector3& v2,
      const btVector3& color, btScalar /*alpha*/);

   virtual void drawContactPoint(
      const btVector3& PointOnB, const btVector3& normalOnB, btScalar distance,
      int lifeTime, const btVector3& color);

   virtual void reportErrorWarning(const char* warningString);

   virtual void draw3dText(const btVector3& location,const char* textString);

   virtual void setDebugMode(int debugMode);

   virtual int getDebugMode() const;

   virtual bool isEnabled();

   virtual void setEnabled(bool enable);

   virtual void setDrawTrianglesAsLines(bool val = true);

protected:
   const Coordinate_System* myCoordinateSystem; 
   DtMultiBufferDebugDrawer* shmMem;
   DtMultiBufferDebugDrawer::ScopedFrame* currentFrame;
   bool isDrawing;
   bool myDrawTrianglesAsLines;
};