simTerrainVisualizationController.h

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


#pragma once

#include "vrfmodel/vrfmodelDefines.h"
#include "vrfobjcore/simComponent.h"
#include "vrfobjcore/vrfObjectManager.h"
#include "vrfobjcore/taskVisualization.h"
#include "terrainInterface/terrainProcessPolygonsBox.h"

#include <boost/signals2.hpp>

#include <tbb/atomic.h>

namespace makVrv
{
   class DtDynamicTerrainFeature;
}

class DT_DLL_vrfmodel DtSimTerrainVisualizationController : public DtSimComponent
{
public:

   DtSimTerrainVisualizationController(const DtString& name, 
      DtVrfObject* owner,
      DtSimManager* simManager, 
      DtComponentDescriptor* desc = 0,
      DtReaderWriterRegistry* parentRegistry = 0);

   virtual ~DtSimTerrainVisualizationController();

   virtual const char* type() const;

   virtual bool init();

   virtual bool taskVisualizationsActive() const;

   virtual void preFirstTickInit();

   virtual void tick();

   static DtSimComponent * creator(const DtString& name, 
      DtVrfObject* owner,
      DtSimManager* simManager, 
      DtComponentDescriptor* desc = 0,
      DtReaderWriterRegistry* parentRegistry = 0);

protected:
   class OutputIFace;
   friend class OutputIFace;

   virtual void updateTerrainVisualization();
   virtual void addDynamicTerrainFeatureCallbacks(const makVrv::DtDynamicTerrainFeature&);
   void disconnectFromDynamicTerrainFeatures();



   virtual bool forcePaging();
   virtual bool drawAABBs();
   virtual bool drawTerrainSkin();
   unsigned maxTrianglesToDraw();


   virtual bool processTerrainTriangle(const DtTerrainTriangleStruct& triangle, unsigned triangleNum);
   virtual void processQueryAABB(
      const DtVector& min, const DtVector& max, const DtCoordTransform& toLocal);
   virtual bool processObjectAABB(
      unsigned index, const DtVector& min, const DtVector& max, const DtCoordTransform& toLocal);
   virtual bool processElevationTile(
      unsigned index, const DtVector &p1, const DtVector& p2, const DtVector& p3, const DtVector& p4);


   static void verticesChangedCallback(DtVrfObject* object, void* usr);
   virtual void processVerticesChanged(DtVrfObject* object);
   virtual void dynamicTerrainFeatureChanged();


   virtual bool drawTriangle(const DtTerrainTriangleStruct& triangle);
   virtual bool drawLine(const DtString& name, const DtVector& p1, const DtVector& p2,
      unsigned red = 0, unsigned green = 255, unsigned blue = 0);

private:

   DtSimTerrainVisualizationController();
   DtSimTerrainVisualizationController(const DtSimTerrainVisualizationController &);
   void operator=(const DtSimTerrainVisualizationController &);

protected:
   DtRwBoolean* myDrawingEnabledFlag;
   DtRwBoolean* myDrawTerrainSkinFlag;
   DtRwBoolean* myDrawNormals;
   DtRwInt* myMaxTriangles;
   DtRwInt* myMaxObjects;
   DtRwBoolean* myDrawBoundsFlag;
   DtRwBoolean* myForcePagingFlag;

   tbb::atomic<bool> myTriggerUpdateFlag;

   std::list <boost::signals2::connection> myFeatureConnections;
};