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/*===========================================================================*\
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 *                              OpenFlipper                                  *
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/*===========================================================================*\
 *                                                                           *
 *   $Revision$                                                       *
 *   $Author$                                                      *
 *   $Date$                   *
 *                                                                           *
\*===========================================================================*/




//=============================================================================
//
//  CLASS PointNode
//
//=============================================================================


#ifndef ACG_COORDSYSNODE_HH
#define ACG_COORDSYSNODE_HH


//== INCLUDES =================================================================

#include <ACG/Scenegraph/BaseNode.hh>
#include <ACG/Scenegraph/DrawModes.hh>
#include <ACG/GL/GLPrimitives.hh>
#include <OpenFlipper/common/ObjectTypeDLLDefines.hh>
#include <vector>

//== NAMESPACES ===============================================================

namespace ACG {
namespace SceneGraph {

//== CLASS DEFINITION =========================================================


/** \class CoordinateSystemNode
 * \brief Node for displaying coordinate systems

 CoordinateSystemNode renders a coordinate system.

**/

class OBJECTTYPEDLLEXPORT CoordinateSystemNode : public BaseNode
{

public:
  
  /** default constructor
   * @param _parent Define the parent Node this node gets attached to
   * @param _name Name of this Node
   */
  CoordinateSystemNode( BaseNode* _parent=0, std::string  _name="<TextNode>");

  /// destructor
  ~CoordinateSystemNode();

  /// static name of this class
  ACG_CLASSNAME(CoordinateSystemNode);

  /// return available draw modes
  ACG::SceneGraph::DrawModes::DrawMode  availableDrawModes() const;

  /// update bounding box
  void boundingBox(Vec3d& _bbMin, Vec3d& _bbMax);

  /// draw Coordsys
  void draw(GLState& _state, const DrawModes::DrawMode& _drawMode);
  
  /// draw Coordsys for object picking
  void pick(GLState& _state, PickTarget _target);

  /// set position of the coordsys
  void position(const Vec3d& _pos);

  /// Get current position of the coordinate system;
  Vec3d position();

  /// Get current rotation of the coordinate system;
  Matrix4x4d rotation();

  /// Set the rotation of the coordinate system;
  void rotation(const Matrix4x4d & _rotation);

  /// set size of the coordsys ( Size is length of one of the axis )
  void size(const double _size);

  /// Get current size
  double size();

  private:

    void drawCoordsys(GLState&  _state);
    void drawCoordsysPick(GLState&  _state);

    /// 3d position of the coordsys origin
    Vec3d  position_;
    
    /// Orientation of coordsys
    Matrix4x4d rotation_;

    /// Size of the coordsys
    double coordsysSize_;

    int slices_;
    int stacks_;
    int loops_;

    GLSphere* sphere_;
    GLCone* cone_;
    GLCylinder* cylinder_;
    GLDisk* disk_;
};


//=============================================================================
} // namespace SceneGraph
} // namespace ACG
//=============================================================================
#endif // ACG_COORDSYSNODE_HH defined
//=============================================================================