iquadric_ui.h

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#ifndef _IQUADRIC_UI_H_
#define _IQUADRIC_UI_H_

// includes, graphics
#include <GL/glew.h>

// includes, system
#include <vector>

// 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>
#include <maya/MMaterial.h>
#include <maya/MFnTransform.h>

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

// includes, Cg
#include <Cg/cg.h>
#include <Cg/cgGL.h>


class IQuadricUI : public MPxSurfaceShapeUI {

 public:

  IQuadricUI();

  virtual ~IQuadricUI();

 public:

  virtual void getDrawRequests( const MDrawInfo & info,
                                bool objectAndActiveOnly,
                                MDrawRequestQueue & requests );

  virtual void draw( const MDrawRequest & request,
                     M3dView & view ) const;  

  virtual bool select( MSelectInfo &select_info,
                       MSelectionList &selection_list,
                       MPointArray &world_space_pts ) const;
 
 private:

  void getDrawRequestsShaded( MDrawRequest& request,
                              const MDrawInfo& info,
                              MDrawRequestQueue& queue,
                              MDrawData& data);

  void getDrawRequestsWireframe( MDrawRequest& request, const MDrawInfo& info);

 public:

  static  void *  creator();

 private:

  void updateParameters( MFnTransform trans) const; 

  void
  render( const MMatrix& q_params, const MPoint& clip_infinite,                
          const MBoundingBox& bbox, const std::vector< MPoint>& quad_points, 
          M3dView view, bool draw_quad ) const;

 private:

  enum {

       kDrawVertices, 
       kDrawWireframe,
       kDrawWireframeOnShaded,
       kDrawSmoothShaded,
       kDrawFlatShaded
  };

 private:

  class IQuadricShading* shading;

};

// variables, exported (extern)

// functions, inlined (inline)
  
// functions, exported (extern)

#endif // #ifndef _IQUADRIC_UI_H_

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