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00024 #ifndef COIN_SONODEENGINE_H
00025 #define COIN_SONODEENGINE_H
00026
00027 #include <Inventor/nodes/SoNode.h>
00028
00029 class SoEngineOutput;
00030 class SoEngineOutputList;
00031 class SoEngineOutputData;
00032
00033 class COIN_DLL_API SoNodeEngine : public SoNode {
00034 typedef SoNode inherited;
00035
00036 public:
00037 static void initClass(void);
00038 static SoType getClassTypeId(void);
00039
00040 void evaluateWrapper(void);
00041
00042 virtual int getOutputs(SoEngineOutputList & l) const;
00043 SoEngineOutput * getOutput(const SbName & outputname) const;
00044 SbBool getOutputName(const SoEngineOutput * output, SbName & outputname) const;
00045 virtual const SoEngineOutputData * getOutputData(void) const = 0;
00046
00047 SbBool isNotifying(void) const;
00048 virtual void notify(SoNotList * nl);
00049
00050 virtual void writeInstance(SoOutput * out);
00051
00052 protected:
00053 SoNodeEngine(void);
00054 virtual ~SoNodeEngine();
00055 virtual void evaluate(void) = 0;
00056
00057 virtual SbBool readInstance(SoInput * in, unsigned short flags);
00058 virtual void inputChanged(SoField * which);
00059
00060 static const SoFieldData ** getFieldDataPtr(void);
00061 static const SoEngineOutputData ** getOutputDataPtr(void);
00062
00063 void writeOutputTypes(SoOutput * out);
00064
00065 private:
00066 virtual void destroy(void);
00067
00068 static SoType classTypeId;
00069 unsigned int flags;
00070 };
00071
00072 #endif // !COIN_SONODEENGINE_H