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/**
* $Id$
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program 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 this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#ifndef NAN_INCLUDED_MeshPrimitives_h
#define NAN_INCLUDED_MeshPrimitives_h
#include "MT_Vector3.h"
#include "CTR_TaggedIndex.h"
#include "CTR_UHeap.h"
#include <vector>
typedef CTR_TaggedIndex<24,0x00ffffff> LOD_VertexInd;
typedef CTR_TaggedIndex<24,0x00ffffff> LOD_EdgeInd;
typedef CTR_TaggedIndex<24,0x00ffffff> LOD_FaceInd;
typedef CTR_TaggedIndex<24,0x00ffffff> LOD_HeapInd;
class LOD_Vertex {
public :
MT_Vector3 pos;
std::vector<LOD_EdgeInd> m_edges;
bool m_select_tag;
LOD_Vertex(
) ;
bool
RemoveEdge(
LOD_EdgeInd e
);
void
AddEdge(
LOD_EdgeInd e
);
void
SwapEdge(
LOD_EdgeInd e_old,
LOD_EdgeInd e_new
);
bool
SelectTag(
) const;
void
SetSelectTag(
bool tag
);
bool
Degenerate(
);
void
CopyPosition(
float *float_ptr
);
private :
};
class LOD_Edge : public CTR_UHeapable {
public :
LOD_VertexInd m_verts[2];
LOD_FaceInd m_faces[2];
LOD_Edge (
);
bool operator == (
LOD_Edge & rhs
);
// Elementary helper methods
////////////////////////////
LOD_FaceInd
OpFace(
LOD_FaceInd f
) const ;
void
SwapFace(
LOD_FaceInd old_f,
LOD_FaceInd new_f
) ;
// return the half edge face - the half edge is defined
// by the {vertex,edge} tuple.
LOD_FaceInd
HalfEdgeFace(
LOD_VertexInd vi
);
LOD_VertexInd
OpVertex(
LOD_VertexInd vi
);
// replace the vertex v_old with vertex v_new
// error if v_old is not one of the original vertices
void
SwapVertex(
LOD_VertexInd v_old,
LOD_VertexInd v_new
) ;
bool
SelectTag(
) const ;
void
SetSelectTag(
bool tag
);
int
OpenTag(
) const;
void
SetOpenTag(
int tag
) ;
bool
Degenerate(
) const;
bool
BoundaryEdge(
) const {
return (m_faces[0].IsEmpty() || m_faces[1].IsEmpty());
};
};
class LOD_TriFace {
public:
LOD_VertexInd m_verts[3];
LOD_TriFace(
);
// Elementary helper methods
////////////////////////////
void
SwapVertex(
LOD_VertexInd old_v,
LOD_VertexInd new_v
);
bool
SelectTag(
) const;
void
SetSelectTag(
bool tag
);
int
OpenTag(
);
void
SetOpenTag(
int tag
);
bool
Degenerate(
);
void
CopyVerts(
int * index_ptr
);
};
#endif
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