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//
// Filename : WingedEdgeBuilder.h
// Author(s) : Stephane Grabli
// Purpose : Class to render a WingedEdge data structure
// from a polyhedral data structure organized in
// nodes of a scene graph
// Date of creation : 28/05/03
//
///////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) : Please refer to the COPYRIGHT file distributed
// with this source distribution.
//
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef WINGED_EDGE_BUILDER_H
# define WINGED_EDGE_BUILDER_H
# include "../system/FreestyleConfig.h"
# include "../system/RenderMonitor.h"
# include "../scene_graph/SceneVisitor.h"
# include "WEdge.h"
# include "../scene_graph/IndexedFaceSet.h"
# include "../scene_graph/NodeTransform.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;
}
// inline void setCurrentMatrix(Matrix44r* matrix) {
// _current_matrix = matrix;
// }
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 // WINGED_EDGE_BUILDER_H
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