00001 /*=======================================================================
00002  *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
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00004  ***                                                                                ***
00005  ***  REPRODUCTION, DISCLOSURE,  OR USE,  IN WHOLE OR IN PART,  OTHER THAN AS       ***
00006  ***  SPECIFIED  IN THE LICENSE ARE  NOT TO BE  UNDERTAKEN  EXCEPT WITH PRIOR       ***
00007  ***  WRITTEN AUTHORIZATION OF FEI S.A.S.                                           ***
00008  ***                                                                                ***
00009  ***                        RESTRICTED RIGHTS LEGEND                                ***
00010  ***  USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS      ***
00011  ***  WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN      ***
00012  ***  SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT      ***
00013  ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
00014  ***  TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013.             ***
00015  ***                                                                                ***
00016  ***                   COPYRIGHT (C) 1996-2018 BY FEI S.A.S,                        ***
00017  ***                        BORDEAUX, FRANCE                                        ***
00018  ***                      ALL RIGHTS RESERVED                                       ***
00019 **=======================================================================*/
00020 /*=======================================================================
00021 ** Author      : David Beilloin (Aug 2013)
00022 **=======================================================================*/
00023 #if !defined _SO_MULTIPLE_INSTANCE_ELEMENT_H_
00024 #define _SO_MULTIPLE_INSTANCE_ELEMENT_H_
00025 
00026 #include <Inventor/elements/SoReplacedElement.h>
00027 #include <Inventor/SbMatrix.h>
00028 
00029 class SoMultipleInstance;
00030 
00031 
00043 class  SoMultipleInstanceElement : public SoReplacedElement
00044 {
00045   SO_ELEMENT_HEADER(SoMultipleInstanceElement);
00046 
00047 public:
00049   static void set(SoState* state, SoNode* node, SoMultipleInstance* instanceproperty);
00050 
00052   static unsigned int getNumInstances(SoState* state);
00053 
00055   static SoMultipleInstance* get(SoState* state);
00056    
00058   static SoMultipleInstance* getDefault();
00059 
00061   static unsigned int getNumBatches(SoState * state);
00062 
00063 private:
00065   static void initClass();
00066 
00068   static void exitClass();
00069 
00071   inline const SbMatrix& getInstanceModelMatrix () const { return m_oivInstanceModelMatrix; }
00072   inline unsigned int getNumInstances() const { return m_numInstances; }
00073   inline unsigned int getNumInstancedBatches() const { return m_numBatches; }
00074   inline unsigned int getCurrentBatchNumber() const { return m_currentBatchNum; }
00075   inline int32_t getNeedParamsBits() const { return m_needParamsBits; }
00076 
00078   inline void setCurrentBatchNumber( uint32_t currentBatchNum ) { m_currentBatchNum = currentBatchNum; }
00079   inline void setNeedParamsBits( int32_t needParamsBits ) { m_needParamsBits = needParamsBits; }
00080 
00081 private:
00083   virtual void init(SoState* state);
00084 
00086   virtual SoElement *copyMatchInfo() const;
00087 
00089   virtual SbBool matches(const SoElement* elt) const;
00090 
00091 private:
00092   SoMultipleInstance* m_shapeInstanceProperty;
00093 
00094   SbMatrix m_oivInstanceModelMatrix;
00095 
00096   unsigned int m_numInstances;
00097   unsigned int m_numBatches;
00098   unsigned int m_currentBatchNum;
00099 
00100   int32_t m_needParamsBits;
00101 };
00102 
00103 
00104 #endif // _SO_MULTIPLE_INSTANCE_ELEMENT_H_
00105 
00106
Inventor/elements/SoMultipleInstanceElement.h
