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/*
* ***** BEGIN GPL 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.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __FREESTYLE_WINGED_EDGE_BUILDER_H__
#define __FREESTYLE_WINGED_EDGE_BUILDER_H__
/** \file blender/freestyle/intern/winged_edge/WingedEdgeBuilder.h
* \ingroup freestyle
* \brief Class to render a WingedEdge data structure from a polyhedral data structure organized in nodes
* of a scene graph
* \author Stephane Grabli
* \date 28/05/2003
*/
#include "WEdge.h"
#include "../scene_graph/IndexedFaceSet.h"
#include "../scene_graph/NodeTransform.h"
#include "../scene_graph/SceneVisitor.h"
#include "../system/FreestyleConfig.h"
#include "../system/RenderMonitor.h"
class LIB_WINGED_EDGE_EXPORT WingedEdgeBuilder : public SceneVisitor
{
public:
inline WingedEdgeBuilder() : SceneVisitor()
{
_current_wshape = NULL;
_current_frs_material = NULL;
_current_matrix = NULL;
_winged_edge = new WingedEdge; // Not deleted by the destructor
_pRenderMonitor = NULL;
}
virtual ~WingedEdgeBuilder()
{
for (vector<Matrix44r*>::iterator it = _matrices_stack.begin(); it != _matrices_stack.end(); ++it)
delete *it;
_matrices_stack.clear();
}
VISIT_DECL(IndexedFaceSet)
VISIT_DECL(NodeShape)
VISIT_DECL(NodeTransform)
virtual void visitNodeTransformAfter(NodeTransform&);
//
// Accessors
//
/////////////////////////////////////////////////////////////////////////////
inline WingedEdge *getWingedEdge()
{
return _winged_edge;
}
inline WShape *getCurrentWShape()
{
return _current_wshape;
}
inline FrsMaterial *getCurrentFrsMaterial()
{
return _current_frs_material;
}
inline Matrix44r *getCurrentMatrix()
{
return _current_matrix;
}
//
// Modifiers
//
/////////////////////////////////////////////////////////////////////////////
inline void setCurrentWShape(WShape *wshape)
{
_current_wshape = wshape;
}
inline void setCurrentFrsMaterial(FrsMaterial *mat)
{
_current_frs_material = mat;
}
#if 0
inline void setCurrentMatrix(Matrix44r *matrix)
{
_current_matrix = matrix;
}
#endif
inline void setRenderMonitor(RenderMonitor *iRenderMonitor) {
_pRenderMonitor = iRenderMonitor;
}
protected:
virtual void buildWShape(WShape& shape, IndexedFaceSet& ifs);
virtual void buildWVertices(WShape& shape, const real *vertices, unsigned vsize);
RenderMonitor *_pRenderMonitor;
private:
void buildTriangleStrip(const real *vertices, const real *normals, vector<FrsMaterial>& iMaterials,
const real *texCoords, const IndexedFaceSet::FaceEdgeMark *iFaceEdgeMarks,
const unsigned *vindices, const unsigned *nindices, const unsigned *mindices,
const unsigned *tindices, const unsigned nvertices);
void buildTriangleFan(const real *vertices, const real *normals, vector<FrsMaterial>& iMaterials,
const real *texCoords, const IndexedFaceSet::FaceEdgeMark *iFaceEdgeMarks,
const unsigned *vindices, const unsigned *nindices, const unsigned *mindices,
const unsigned *tindices, const unsigned nvertices);
void buildTriangles(const real *vertices, const real *normals, vector<FrsMaterial>& iMaterials,
const real *texCoords, const IndexedFaceSet::FaceEdgeMark *iFaceEdgeMarks,
const unsigned *vindices, const unsigned *nindices, const unsigned *mindices,
const unsigned *tindices, const unsigned nvertices);
void transformVertices(const real *vertices, unsigned vsize, const Matrix44r& transform, real *res);
void transformNormals(const real *normals, unsigned nsize, const Matrix44r& transform, real *res);
WShape *_current_wshape;
FrsMaterial *_current_frs_material;
WingedEdge *_winged_edge;
Matrix44r *_current_matrix;
vector<Matrix44r *> _matrices_stack;
};
#endif // __FREESTYLE_WINGED_EDGE_BUILDER_H__
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