SoTangentCache.h

/*=================================================================================
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***                   COPYRIGHT (C) 1996-2024 BY FEI S.A.S,                    ***
***                              BORDEAUX, FRANCE                              ***
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=================================================================================*/
 
#pragma once
 
#include <Inventor/SbLinear.h>
#include <Inventor/caches/SoCache.h>
#include <Inventor/elements/SoTangentBindingElement.h>
 
{
public:
  SoTangentCache( SoState* state );
 
  virtual ~SoTangentCache();
 
  void set( int numTangents, const SbVec3f* tangents, SoTangentBindingElement::Binding tangentBinding, int startIndex = 0 );
 
  int getNum() const
  {
    return m_numTangents;
  }
 
  const SbVec3f* getTangents() const
  {
    return m_tangents;
  }
 
  SoTangentBindingElement::Binding getTangentBinding() const
  {
    return m_tangentBinding;
  }
 
  int getStartIndex() const
  {
    return m_startIndex;
  }
 
private:
  inline uint32_t getTimeStamp()const
  {
    return m_timeStamp;
  }
 
  inline void setTimeStamp( const uint32_t timestamp )
  {
    m_timeStamp = timestamp;
  }
 
private:
  int m_numTangents; // Number of tangents
  const SbVec3f* m_tangents; // Array of tangents
  int m_startIndex; // Offset for index for the tangents (see stardIndex in SoVertexShape not indexed)
  SoTangentBindingElement::Binding m_tangentBinding; // tangent binding
  uint32_t m_timeStamp;
};