DtModelInstance.h

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/******************************************************************************
** Copyright (c) 2012 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvCore/vrvCore.h>
#include <vrvCore/DtUniqueID.h>
#include <vrvUtil/DtVirtualBaseClass.h>

#include <string>
#include <vector>

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

#include <boost/signal.hpp>

namespace makVrv
{
   class DtModelDefinition;
   class DtDe;

   class DT_DLL_VRVCORE DtModelInstance
   {
   public:

      DtModelInstance(DtDe& de);

      virtual ~DtModelInstance();

      virtual bool realize(DtModelDefinition& definition);

      const std::string& realizedDefinitionName() const;

      virtual bool saveModelToFile(const std::string& filename) const;

      const DtVector& boundingBoxExtents() const;

      void getBoundingBoxExtents(double& x, double& y, double& z) const;

      const DtVector& boundingBoxCenter() const;

      void getBoundingBoxCenter(double& x, double& y, double& z) const;

      void getBoundingBoxComponents( DtVector& minimum, DtVector& maximum );

      virtual void setContributesToBound( bool trueOrFalse );

      bool contributesToBound() const;

      virtual void setVisible(bool isVisible) = 0;

      virtual void setBlendColor(float r, float g, float b, float a);

      virtual void enableColorBlending( bool b );

      //Utility function for reading a float from a definition.
      static float readFloat(const std::string& paramName, const DtModelDefinition& definition);

      //Utility function for reading a Vec4 from a definition.
      static DtVector readVector(const std::string& paramName, const DtModelDefinition& definition);

      boost::signal<void (DtModelInstance*)> signal_modelInstanceChanged;

   protected:

      DtDe& myDe;
      std::string myRealizedModelDefinitionName;
      DtVector myBoundingBoxCenter;
      DtVector myBoundingBoxExtents;
      DtVector myBoundingBoxMinimum;
      DtVector myBoundingBoxMaximum;
      bool myContributesToBound;
      bool myColorBlendingEnabled;
      float myBlendRed;
      float myBlendBlue;
      float myBlendGreen;
      float myBlendAlpha;

   };

   class DT_DLL_VRVCORE DtModelInstanceCreator : public DtVirtualBaseClass
   {
   public:

      virtual ~DtModelInstanceCreator();

      virtual DtModelInstance* create(DtDe& de) = 0;

   protected:

      DtModelInstanceCreator();
   };

}