TranslationManipulatorNode.hh

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//=============================================================================
//
//  CLASS TranslationManipulatorNode
//
//=============================================================================
 
 
#ifndef ACG_TRANSLATIONMANIPULATOR_NODE_HH
#define ACG_TRANSLATIONMANIPULATOR_NODE_HH
 
 
//== INCLUDES =================================================================
 
// GMU
#include "BaseNode.hh"
#include "TransformNode.hh"
 
// Qt
#include <QEvent>
#include <QMouseEvent>
 
 
 
 
//== NAMESPACES ===============================================================
 
namespace ACG {
 
class GLCone;
class GLDisk;
class GLSphere;
 
 
namespace SceneGraph {
 
//== CLASS DEFINITION =========================================================
 
 
class ACGDLLEXPORT TranslationManipulatorNode : public TransformNode
{
public:
 
  enum AutoSizeMode {
    Never,
    Once,
    Always
  };
 
  enum ManipulatorMode {
    Rotation,
    TranslationRotation,
    LocalRotation,
    Resize,
    Place
  };
 
  enum ActiveRotations {
    X_AXIS   = 1,
    Y_AXIS   = 1 << 1,
    Z_AXIS   = 1 << 2,
    ALL_AXIS = X_AXIS | Y_AXIS | Z_AXIS
  };
 
  TranslationManipulatorNode( BaseNode* _parent=0,
                   const std::string& _name="<TranslationTranslationManipulatorNode>" );
 
  ~TranslationManipulatorNode();
 
 
  ACG_CLASSNAME(TranslationManipulatorNode);
 
 
  //
  // METHODS
  //
 
  virtual void setIdentity() override;
 
  void set_draw_cylinder(bool _b) { draw_manipulator_ = _b; }
 
  bool draw_manipulator() const { return draw_manipulator_; }
 
  void set_direction(const Vec3d& _directionX, const Vec3d& _directionY);
 
  Vec3d directionX() const;
  Vec3d directionY() const;
  Vec3d directionZ() const;
 
  void set_size( double _size) {
    if (_size > 0.0)
    {
      set_manipulator_height_ = _size;
      set_manipulator_radius_ = _size/10.0;
      setDirty ();
    }
  }
 
  double size() const { return set_manipulator_height_; }
 
  void set_autosize (AutoSizeMode _mode) { auto_size_ = _mode; }
 
  AutoSizeMode autosize () const { return auto_size_; }
 
  void enable_rotations(ActiveRotations _active) {
    activeRotations_ = _active;
  }
 
  ActiveRotations enabled_rotations() const {
    return activeRotations_;
  }
 
  void rotate (double _angle, Vec3d _axis)
  {
    TransformNode::rotate(_angle, _axis);
  }
 
  void draw(GLState& _state, const DrawModes::DrawMode& _drawMode) override;
 
  void getRenderObjects(IRenderer* _renderer, GLState& _state, const DrawModes::DrawMode& _drawMode, const Material* _mat) override;
 
  GLMatrixd computeWorldMatrix();
 
  // void leave(GLState& _state, const DrawModes::DrawMode& _drawMode);
 
  void pick(GLState& _state, PickTarget _target) override;
 
  virtual void mouseEvent(GLState& _state, QMouseEvent* _event) override;
 
  void boundingBox(Vec3d& _bbMin, Vec3d& _bbMax) override;
 
  void setMode (ManipulatorMode _mode);
 
  ManipulatorMode getMode () const { return mode_; };
 
 
protected:
  bool touched_;
 
private:
 
  enum StateUpdates {
    None,
    Over,
    Click
  };
 
  enum Elements {
    Origin = 0,
    XTop,
    YTop,
    ZTop,
    XAxis,
    YAxis,
    ZAxis,
    XRing,
    YRing,
    ZRing,
    NumElements
  };
 
  class Element {
    public:
      Element ();
 
      Vec4f active_target_color_;
      Vec4f active_current_color_;
      Vec4f inactive_target_color_;
      Vec4f inactive_current_color_;
 
      bool  clicked_;
      bool  over_;
  };
 
  void update_manipulator_system(GLState& _state);
 
  void update_rotation(GLState& _state);
 
  bool hitSphere(GLState& _state, const Vec2i& _v2);
  bool hitOuterSphere(GLState& _state, const Vec2i& _v2);
 
  void drawManipulator (GLState& _state, bool _active);
 
  void addManipulatorToRenderer (IRenderer* _renderer, RenderObject* _baseRO, bool _active);
  void addAxisToRenderer (IRenderer* _renderer, RenderObject* _baseRO, bool _active, int _axis);
 
 
  bool mapToCylinder (GLState& _state, const Vec2i& _v2, StateUpdates _updateStates = None);
  bool mapToCylinderTop (GLState& _state, const Vec2i& _v2, StateUpdates _updateStates = None);
 
  bool mapToSphere (GLState& _state, const Vec2i& _v2, Vec3d& _v3, StateUpdates _updateStates = None);
 
  void updateTargetColors ();
  bool updateCurrentColors (GLState& _state);
 
  double get_screen_length (const GLState &_state, const Vec3d &_point) const;
 
  void updateSize (const GLState& _state);
 
  // ELEMENTS
  bool               draw_manipulator_;
 
  Vec3d              dirX_;
  Vec3d              dirY_;
  Vec3d              dirZ_;
 
  ACG::GLCone*       axisBottom_; // axis split up for deferred draw call rendering,
  ACG::GLCone*       axisCenter_; // cone vbo data must be consistent within one frame
  ACG::GLCone*       axisTop_;
  ACG::GLDisk*       circle_;
  ACG::GLSphere*     sphere_;
 
  double             manipulator_radius_;
  double             manipulator_height_;
  double             set_manipulator_radius_;
  double             set_manipulator_height_;
  int                manipulator_slices_;
  int                manipulator_stacks_;
 
  bool               any_axis_clicked_;
  bool               any_top_clicked_;
  bool               outer_ring_clicked_;
 
  bool               any_axis_over_;
  bool               any_top_over_;
  bool               outer_ring_over_;
 
 
  Element            element_[NumElements];
  float              resize_current_;
 
  ManipulatorMode    mode_;
  bool               ignoreTime_;
 
  Vec2i              oldPoint2D_;
  Vec3d              draggingOrigin3D_;
  bool               dragging_;
 
  Vec3d              currentScale_;
 
  GLMatrixd          localTransformation_;
 
  AutoSizeMode       auto_size_;
  double             auto_size_length_;
 
  ActiveRotations    activeRotations_;
};
 
 
//=============================================================================
} // namespace SceneGraph
} // namespace ACG
//=============================================================================
#endif // ACG_TRANSLATIONMANIPULATOR_NODE_HH defined
//=============================================================================