BBox.h

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// Copyright (C) 2002-2024, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
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// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Open Design Alliance software pursuant to a license 
//   agreement with Open Design Alliance.
//   Open Design Alliance Copyright (C) 2002-2024 by Open Design Alliance. 
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you 
// acknowledge and accept the above terms.
 
#ifndef _SpBBox_h_Included_
#define _SpBBox_h_Included_
 
#include "Si/SiSpatialIndex.h"
#define _CORE_18621
#ifdef _CORE_18621
#include "Gs/SiBBlock.h"
#else
#include "Ge/GeBoundBlock3d.h"
#endif

namespace OdSi
{
#ifdef _CORE_18621
  class BBox : public OdSiBoundBlock3d, public OdSiShape
#else
  class BBox : public OdGeBoundBlock3d, public OdSiShape
#endif
  {
  public:
    enum ExtentsType
    {
      k2dExtents  = 0,
      k3dExtents  = 1
    };

    static ExtentsType explodeExtent(OdGePoint3d* points, const OdGeExtents3d& extents)
    {
       points[0] =    extents.minPoint();
       points[1].set( extents.minPoint().x, extents.maxPoint().y, extents.minPoint().z );
       points[2].set( extents.maxPoint().x, extents.maxPoint().y, extents.minPoint().z );
       points[3].set( extents.maxPoint().x, extents.minPoint().y, extents.minPoint().z );
 
       if(points->z == extents.maxPoint().z)
         return k2dExtents;
 
       points[4].set( extents.minPoint().x, extents.minPoint().y, extents.maxPoint().z );
       points[5].set( extents.minPoint().x, extents.maxPoint().y, extents.maxPoint().z );
       points[6] =    extents.maxPoint();
       points[7].set( extents.maxPoint().x, extents.minPoint().y, extents.maxPoint().z );
 
       return k3dExtents;
    }

    static ExtentsType explodeExtent(OdGePoint3d* points, const OdGePoint3d &origin, const OdGeVector3d &xAxis, const OdGeVector3d &yAxis, const OdGeVector3d &zAxis)
    {
      points[0] = origin;
      points[1] = points[0] + xAxis;
      points[2] = points[0] + xAxis + yAxis;
      points[3] = points[0] + yAxis;
      
      if(OdZero(zAxis.length()))
        return k2dExtents;
      
      points[4] = points[0] + zAxis;
      points[5] = points[1] + zAxis;
      points[6] = points[2] + zAxis;
      points[7] = points[3] + zAxis;
      
      return k3dExtents;
    }
 
    virtual bool contains( const OdGeExtents3d& extents, bool planar = false, const OdGeTol& tol = OdGeContext::gTol ) const
    {
      ODA_ASSERT( planar == false );
      
#ifdef _CORE_18621
      return OdSiBoundBlock3d::contains(extents, tol);
#else
      if ( !OdGeBoundBlock3d::contains( extents.minPoint(), tol ) )
        return false;
      if ( !OdGeBoundBlock3d::contains( extents.maxPoint(), tol ) )
        return false;
      if ( !OdGeBoundBlock3d::contains( OdGePoint3d( extents.minPoint().x, 
        extents.maxPoint().y, extents.minPoint().z ), tol ) )
        return false;
      if ( !OdGeBoundBlock3d::contains( OdGePoint3d( extents.maxPoint().x, 
        extents.minPoint().y, extents.minPoint().z ), tol ) )
        return false;
      if(OdEqual(extents.maxPoint().z, extents.minPoint().z, tol.equalPoint()))
        return true;
      if ( !OdGeBoundBlock3d::contains( OdGePoint3d( extents.minPoint().x, 
        extents.maxPoint().y, extents.maxPoint().z ), tol ) )
        return false;
      if ( !OdGeBoundBlock3d::contains( OdGePoint3d( extents.maxPoint().x, 
        extents.minPoint().y, extents.maxPoint().z ), tol ) )
        return false;
 
      return true;
#endif
    }
    
    virtual bool intersects( const OdGeExtents3d& extents, bool planar = false, const OdGeTol& tol = OdGeContext::gTol) const
    {
      ODA_ASSERT( planar == false );
#ifdef _CORE_18621
      return !OdSiBoundBlock3d::isDisjoint(extents, tol);
#else
      if (isBox())
      {
        OdGePoint3d minPt, maxPt;
        getMinMaxPoints(minPt, maxPt);
        return !OdGeExtents3d(minPt, maxPt).isDisjoint(extents, tol);
      }
      else
        return !OdGeBoundBlock3d( extents.minPoint(), extents.maxPoint() ).isDisjoint( *this, tol );
#endif
    }
 
    virtual OdSiShape* clone() const
    {
      return new BBox(*this);
    }
 
    virtual void transform(const OdGeMatrix3d& mtx)
    {
#ifdef _CORE_18621
      OdSiBoundBlock3d::transformBy(mtx);
#else
      setToBox(false);
      transformBy(mtx);
      setToBoxOrtho();
#endif
    }

    BBox() {}
#ifdef _CORE_18621
    BBox( const BBox& source ) : OdSiBoundBlock3d( source ) { }
    BBox( const OdGePoint3d& base, const OdGeVector3d& side1,
      const OdGeVector3d& side2, const OdGeVector3d& side3 ) 
      : OdSiBoundBlock3d( base, side1, side2, side3 ) { }
    BBox( const OdGePoint3d& p1, const OdGePoint3d& p2 )
      : OdSiBoundBlock3d( p1, p2 ) { }
#else
    BBox( const BBox& source ) : OdGeBoundBlock3d( source ) {}
    BBox( const OdGePoint3d& base, const OdGeVector3d& side1,
      const OdGeVector3d& side2, const OdGeVector3d& side3 ) 
      : OdGeBoundBlock3d( base, side1, side2, side3 )
    {
      setToBoxOrtho(side1, side2, side3);
    }
    BBox( const OdGePoint3d& p1, const OdGePoint3d& p2 )
      : OdGeBoundBlock3d( p1, p2 ){}
#endif
  };
}
 
#endif