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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 __BLENDER_FILE_LOADER_H__
#define __BLENDER_FILE_LOADER_H__
/** \file blender/freestyle/intern/blender_interface/BlenderFileLoader.h
* \ingroup freestyle
*/
#include <string.h>
#include <float.h>
#include "../geometry/BBox.h"
#include "../geometry/Geom.h"
#include "../geometry/GeomCleaner.h"
#include "../geometry/GeomUtils.h"
#include "../scene_graph/IndexedFaceSet.h"
#include "../scene_graph/NodeGroup.h"
#include "../scene_graph/NodeTransform.h"
#include "../scene_graph/NodeShape.h"
#include "../system/FreestyleConfig.h"
#include "../system/RenderMonitor.h"
extern "C" {
#include "DNA_material_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_scene_types.h"
#include "renderdatabase.h"
#include "render_types.h"
#include "BKE_mesh.h"
#include "BKE_scene.h"
#include "BLI_math.h"
}
namespace Freestyle {
class NodeGroup;
struct LoaderState {
float *pv;
float *pn;
IndexedFaceSet::FaceEdgeMark *pm;
unsigned *pvi;
unsigned *pni;
unsigned *pmi;
unsigned currentIndex;
unsigned currentMIndex;
float minBBox[3];
float maxBBox[3];
};
class LIB_SCENE_GRAPH_EXPORT BlenderFileLoader
{
public:
/*! Builds a MaxFileLoader */
BlenderFileLoader(Render *re, SceneRenderLayer *srl);
virtual ~BlenderFileLoader();
/*! Loads the 3D scene and returns a pointer to the scene root node */
NodeGroup * Load();
/*! Gets the number of read faces */
inline unsigned int numFacesRead() {return _numFacesRead;}
/*! Gets the smallest edge size read */
inline real minEdgeSize() {return _minEdgeSize;}
/*! Modifiers */
inline void setRenderMonitor(RenderMonitor *iRenderMonitor) {_pRenderMonitor = iRenderMonitor;}
protected:
void insertShapeNode(ObjectInstanceRen *obi, int id);
int testDegenerateTriangle(float v1[3], float v2[3], float v3[3]);
bool testEdgeRotation(float v1[3], float v2[3], float v3[3], float v4[3]);
int countClippedFaces(float v1[3], float v2[3], float v3[3], int clip[3]);
void clipLine(float v1[3], float v2[3], float c[3], float z);
void clipTriangle(int numTris, float triCoords[][3], float v1[3], float v2[3], float v3[3],
float triNormals[][3], float n1[3], float n2[3], float n3[3],
bool edgeMarks[5], bool em1, bool em2, bool em3, int clip[3]);
void addTriangle(struct LoaderState *ls, float v1[3], float v2[3], float v3[3],
float n1[3], float n2[3], float n3[3], bool fm, bool em1, bool em2, bool em3);
protected:
struct detri_t {
unsigned viA, viB, viP; // 0 <= viA, viB, viP < viSize
Vec3r v;
unsigned n;
};
Render *_re;
SceneRenderLayer *_srl;
NodeGroup *_Scene;
unsigned _numFacesRead;
real _minEdgeSize;
bool _smooth; /* if true, face smoothness is taken into account */
float _viewplane_left;
float _viewplane_right;
float _viewplane_bottom;
float _viewplane_top;
float _z_near, _z_far;
RenderMonitor *_pRenderMonitor;
};
} /* namespace Freestyle */
#endif // __BLENDER_FILE_LOADER_H__
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