isphere_geo.h

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#ifndef _ISPHERE_GEO_H_
#define _ISPHERE_GEO_H_

// includes, maya
#include <maya/MIOStream.h>
#include <maya/MPxSurfaceShape.h>
#include <maya/MPxSurfaceShapeUI.h>
#include <maya/MFnNumericAttribute.h>
#include <maya/MFnEnumAttribute.h>
#include <maya/MPoint.h>
#include <maya/MPlug.h>
#include <maya/MDrawData.h>
#include <maya/MDrawRequest.h>
#include <maya/MSelectionMask.h>
#include <maya/MSelectionList.h>
#include <maya/MDagPath.h>

// includes, GL
#include <GL/gl.h>

// Macros for attribute creation and checking in Maya
#define MCHECKERROR(STAT,MSG)       \
    if ( MS::kSuccess != STAT ) {   \
        cerr << MSG << endl;        \
        return MS::kFailure;        \
    }


// Geometry class for Implicit Sphere
class ISphere : public MPxSurfaceShape {

  friend class ISphereUI;
  
 public:

  ISphere();

  // @brief Destructor
  virtual ~ISphere();

 public:

  virtual void postConstructor();

  virtual MStatus compute( const MPlug& plug, MDataBlock& data_block);

 public:

  virtual bool getInternalValue( const MPlug& p, MDataHandle& data_block);

  virtual bool setInternalValue( const MPlug& p, MDataHandle& data_block);

 public:

  virtual bool isBounded() const;

  virtual MBoundingBox boundingBox() const;

 public:

  static void* creator();

  static MStatus initialize();

  MStatus updateValues();

 private:

  double getUpdatedRadius();

 private:

  // Internal data members

  double radius;

  static MObject sphereRadius;
  static MFnNumericAttribute radiusAttribute;

 public:

  // public data members
  static  MTypeId  id;
};

// variables, exported (extern)

// functions, inlined (inline)
  
// functions, exported (extern)
 
#endif // #ifndef _ISPHERE_GEO_H_

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