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SoNodeEngine.h
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32 
33 #ifndef COIN_SONODEENGINE_H
34 #define COIN_SONODEENGINE_H
35 
36 #include <Inventor/nodes/SoNode.h>
37 
38 class SoEngineOutput;
39 class SoEngineOutputList;
40 class SoEngineOutputData;
41 
42 class COIN_DLL_API SoNodeEngine : public SoNode {
43  typedef SoNode inherited;
44 
45 public:
46  static void initClass(void);
47  static SoType getClassTypeId(void);
48 
49  void evaluateWrapper(void);
50 
51  virtual int getOutputs(SoEngineOutputList & l) const;
52  SoEngineOutput * getOutput(const SbName & outputname) const;
53  SbBool getOutputName(const SoEngineOutput * output, SbName & outputname) const;
54  virtual const SoEngineOutputData * getOutputData(void) const = 0;
55 
56  SbBool isNotifying(void) const;
57  virtual void notify(SoNotList * nl);
58 
59  virtual void writeInstance(SoOutput * out);
60 
61 protected:
62  SoNodeEngine(void);
63  virtual ~SoNodeEngine(void);
64  virtual void evaluate(void) = 0;
65 
66  virtual SbBool readInstance(SoInput * in, unsigned short flags);
67  virtual void inputChanged(SoField * which);
68 
69  static const SoFieldData ** getFieldDataPtr(void);
70  static const SoEngineOutputData ** getOutputDataPtr(void);
71 
72  void writeOutputTypes(SoOutput * out);
73 
74 private:
75  virtual void destroy(void); // overrides SoBase::destroy()
76 
77  static SoType classTypeId;
78  unsigned int flags;
79 };
80 
81 #endif // !COIN_SONODEENGINE_H

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