bbox_action

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
 
#ifndef tools_sg_bbox_action
#define tools_sg_bbox_action
 
#include "matrix_action"
#include "primitive_visitor"
 
#include "../lina/box3f"
 
namespace tools {
namespace sg {
 
class bbox_action : public matrix_action,public primitive_visitor {
  TOOLS_ACTION(bbox_action,tools::sg::bbox_action,matrix_action)
protected:
  virtual bool project(float& a_x,float& a_y,float& a_z,float& a_w) {
    model_point(a_x,a_y,a_z,a_w);
    return true;
  }
 
  virtual bool add_point(float a_x,float a_y,float a_z,float) {
    m_box.extend_by(a_x,a_y,a_z);
    return true;
  }
 
  virtual bool add_point(float a_x,float a_y,float a_z,float,
                         float,float,float,float) {
    m_box.extend_by(a_x,a_y,a_z);
    return true;
  }
 
  virtual bool add_line(float a_bx,float a_by,float a_bz,float,
                        float a_ex,float a_ey,float a_ez,float) {
    m_box.extend_by(a_bx,a_by,a_bz);
    m_box.extend_by(a_ex,a_ey,a_ez);
    return true;
  }
 
  virtual bool add_line(float a_bx,float a_by,float a_bz,float a_bw,
                        float,float,float,float,
                        float a_ex,float a_ey,float a_ez,float a_ew,
                        float,float,float,float) {
    return add_line(a_bx,a_by,a_bz,a_bw,
                    a_ex,a_ey,a_ez,a_ew);
  }
 
  virtual bool add_triangle(float a_p1x,float a_p1y,float a_p1z,float,
                            float a_p2x,float a_p2y,float a_p2z,float,
                            float a_p3x,float a_p3y,float a_p3z,float){
    m_box.extend_by(a_p1x,a_p1y,a_p1z);
    m_box.extend_by(a_p2x,a_p2y,a_p2z);
    m_box.extend_by(a_p3x,a_p3y,a_p3z);
    return true;
  }
 
  virtual bool add_triangle(float a_p1x,float a_p1y,float a_p1z,float a_p1w,
                            float,float,float,float,
                            float a_p2x,float a_p2y,float a_p2z,float a_p2w,
                            float,float,float,float,
                            float a_p3x,float a_p3y,float a_p3z,float a_p3w,
                            float,float,float,float){
    return bbox_action::add_triangle(a_p1x,a_p1y,a_p1z,a_p1w,
                                     a_p2x,a_p2y,a_p2z,a_p2w,
                                     a_p3x,a_p3y,a_p3z,a_p3w);
  }
 
  virtual bool project_normal(float&,float&,float&) {return true;}
  virtual bool add_point_normal(float a_x,float a_y,float a_z,float a_w,
                                float,float,float) {
    return bbox_action::add_point(a_x,a_y,a_z,a_w);
  }
 
  virtual bool add_point_normal(float a_x,float a_y,float a_z,float a_w,
                                float,float,float,
                                float,float,float,float) {
    return bbox_action::add_point(a_x,a_y,a_z,a_w);
  }
 
  virtual bool add_line_normal(float a_bx,float a_by,float a_bz,float a_bw, float,float,float,
                               float a_ex,float a_ey,float a_ez,float a_ew, float,float,float) {
    return bbox_action::add_line(a_bx,a_by,a_bz,a_bw,a_ex,a_ey,a_ez,a_ew);
  }
  virtual bool add_line_normal(float a_bx,float a_by,float a_bz,float a_bw, float,float,float, float,float,float,float,
                               float a_ex,float a_ey,float a_ez,float a_ew, float,float,float, float,float,float,float) {
    return bbox_action::add_line(a_bx,a_by,a_bz,a_bw,a_ex,a_ey,a_ez,a_ew);
  }
 
  virtual bool add_triangle_normal(float a_p1x,float a_p1y,float a_p1z,float a_p1w, float,float,float,
                                   float a_p2x,float a_p2y,float a_p2z,float a_p2w, float,float,float,
                                   float a_p3x,float a_p3y,float a_p3z,float a_p3w, float,float,float) {
    return bbox_action::add_triangle(a_p1x,a_p1y,a_p1z,a_p1w,
                                     a_p2x,a_p2y,a_p2z,a_p2w,
                                     a_p3x,a_p3y,a_p3z,a_p3w);
  }
  virtual bool add_triangle_normal(float a_p1x,float a_p1y,float a_p1z,float a_p1w,
                                   float,float,float, float,float,float,float,
                                   float a_p2x,float a_p2y,float a_p2z,float a_p2w,
                                   float,float,float, float,float,float,float,
                                   float a_p3x,float a_p3y,float a_p3z,float a_p3w,
                                   float,float,float, float,float,float,float) {
    return bbox_action::add_triangle(a_p1x,a_p1y,a_p1z,a_p1w,
                                     a_p2x,a_p2y,a_p2z,a_p2w,
                                     a_p3x,a_p3y,a_p3z,a_p3w);
  }
public:
  bbox_action(std::ostream& a_out)
  :parent(a_out,0,0)
  {}
  virtual ~bbox_action(){}
public:
  bbox_action(const bbox_action& a_from)
  :parent(a_from)
  ,primitive_visitor(a_from)
  {}
  bbox_action& operator=(const bbox_action& a_from){
    if(&a_from==this) return *this;
    parent::operator=(a_from);
    primitive_visitor::operator=(a_from);
    m_box.make_empty();
    return *this;
  }
public:
  void reset() {
    parent::reset();
    m_box.make_empty();
  }
  const box3f& box() const {return m_box;}
  box3f& box() {return m_box;}
protected:
  box3f m_box;
};
 
}}
 
#endif