TransformInfo.h

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//    Copyright 2004-2019, SenseGraphics AB
//
//    This file is part of H3D API.
//
//    H3D API is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    H3D API is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with H3D API; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    A commercial license is also available. Please contact us at 
//    www.sensegraphics.com for more information.
//
//
//
#ifndef __TRANSFORMINFO_H__
#define __TRANSFORMINFO_H__
 
#include <H3D/X3DChildNode.h>
#include <H3D/SFMatrix4f.h>
#include <H3D/H3DDisplayListObject.h>
 
namespace H3D {
 
  class H3DAPI_API TransformInfo : 
    public X3DChildNode,
    public H3DDisplayListObject {
  public:
 
    class H3DAPI_API Matrix4fInverse: public SFMatrix4f {
      virtual void update() {
        const Matrix4f &m = 
          static_cast< SFMatrix4f* >(event.ptr)->getValue();
        value = m.inverse();
      }
    };
    // matrix4f type matrix which accept modelView matrix and return 
    // its inverse transposed matrix
    class H3DAPI_API Matrix4fInverseTranspose : public SFMatrix4f{
      virtual void update ( ){
        const Matrix4f &m =
          static_cast<SFMatrix4f*>(event.ptr)->getValue ( );
        value = m.inverse ( ).transpose ( );
      }
    };
 
    TransformInfo( Inst< SFNode      > _metadata  = 0,
                   Inst< SFMatrix4f  > _accForwardMatrix = 0,
                   Inst< SFMatrix4f  > _accInverseMatrix = 0,
                   Inst< DisplayList > _displayList    = 0,
                   Inst< SFBool      > _outputGLMatrices = 0,
                   Inst< SFMatrix4f  > _glModelViewMatrix = 0,
                   Inst< Matrix4fInverse > _glModelViewMatrixInverse = 0,
                   Inst< SFMatrix4f  > _glProjectionMatrix = 0,
                   Inst< Matrix4fInverse > _glProjectionMatrixInverse = 0,
                   Inst< Matrix4fInverseTranspose > _glModelViewMatrixInverseTranspose = 0 );
 
    virtual void traverseSG( TraverseInfo &ti );
 
    virtual void render();
 
    H3DUniquePtr< SFMatrix4f > accForwardMatrix;
 
    H3DUniquePtr< SFMatrix4f > accInverseMatrix;
 
    H3DUniquePtr< SFBool > outputGLMatrices;
 
    H3DUniquePtr< SFMatrix4f > glModelViewMatrix;
 
    H3DUniquePtr< Matrix4fInverse > glModelViewMatrixInverse;
 
    H3DUniquePtr< SFMatrix4f > glProjectionMatrix;
 
    H3DUniquePtr< Matrix4fInverse > glProjectionMatrixInverse;
 
    H3DUniquePtr< Matrix4fInverseTranspose > glModelViewMatrixInverseTranspose;
    
    static H3DNodeDatabase database;
  };
}
 
#endif