175 lines
4.4 KiB
C++
175 lines
4.4 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __BLENDER_FILE_LOADER_H__
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#define __BLENDER_FILE_LOADER_H__
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/** \file
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* \ingroup freestyle
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*/
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#include <string.h>
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#include <float.h>
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#include "../geometry/BBox.h"
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#include "../geometry/Geom.h"
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#include "../geometry/GeomCleaner.h"
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#include "../geometry/GeomUtils.h"
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#include "../scene_graph/IndexedFaceSet.h"
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#include "../scene_graph/NodeGroup.h"
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#include "../scene_graph/NodeTransform.h"
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#include "../scene_graph/NodeShape.h"
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#include "../system/FreestyleConfig.h"
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#include "../system/RenderMonitor.h"
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extern "C" {
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#include "MEM_guardedalloc.h"
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#include "DNA_material_types.h"
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#include "DNA_mesh_types.h"
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#include "DNA_meshdata_types.h"
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#include "DNA_modifier_types.h"
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#include "DNA_object_types.h"
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#include "DNA_scene_types.h"
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#include "render_types.h"
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#include "BKE_customdata.h"
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#include "BKE_library.h"
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#include "BKE_material.h"
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#include "BKE_mesh.h"
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#include "BKE_scene.h"
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#include "BLI_iterator.h"
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#include "BLI_listbase.h"
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#include "BLI_math.h"
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}
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#include "DEG_depsgraph_query.h"
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#ifdef WITH_CXX_GUARDEDALLOC
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# include "MEM_guardedalloc.h"
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#endif
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namespace Freestyle {
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class NodeGroup;
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struct LoaderState {
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float *pv;
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float *pn;
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IndexedFaceSet::FaceEdgeMark *pm;
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unsigned *pvi;
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unsigned *pni;
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unsigned *pmi;
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unsigned currentIndex;
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unsigned currentMIndex;
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float minBBox[3];
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float maxBBox[3];
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};
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class BlenderFileLoader {
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public:
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/*! Builds a MaxFileLoader */
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BlenderFileLoader(Render *re, ViewLayer *view_layer, Depsgraph *depsgraph);
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virtual ~BlenderFileLoader();
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/*! Loads the 3D scene and returns a pointer to the scene root node */
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NodeGroup *Load();
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/*! Gets the number of read faces */
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inline unsigned int numFacesRead()
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{
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return _numFacesRead;
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}
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#if 0
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/*! Gets the smallest edge size read */
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inline real minEdgeSize()
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{
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return _minEdgeSize;
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}
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#endif
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/*! Modifiers */
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inline void setRenderMonitor(RenderMonitor *iRenderMonitor)
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{
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_pRenderMonitor = iRenderMonitor;
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}
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protected:
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void insertShapeNode(Object *ob, Mesh *mesh, int id);
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int testDegenerateTriangle(float v1[3], float v2[3], float v3[3]);
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int countClippedFaces(float v1[3], float v2[3], float v3[3], int clip[3]);
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void clipLine(float v1[3], float v2[3], float c[3], float z);
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void clipTriangle(int numTris,
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float triCoords[][3],
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float v1[3],
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float v2[3],
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float v3[3],
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float triNormals[][3],
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float n1[3],
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float n2[3],
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float n3[3],
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bool edgeMarks[5],
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bool em1,
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bool em2,
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bool em3,
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int clip[3]);
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void addTriangle(struct LoaderState *ls,
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float v1[3],
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float v2[3],
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float v3[3],
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float n1[3],
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float n2[3],
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float n3[3],
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bool fm,
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bool em1,
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bool em2,
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bool em3);
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protected:
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struct detri_t {
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unsigned viA, viB, viP; // 0 <= viA, viB, viP < viSize
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Vec3r v;
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unsigned n;
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};
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Render *_re;
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Depsgraph *_depsgraph;
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NodeGroup *_Scene;
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unsigned _numFacesRead;
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#if 0
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real _minEdgeSize;
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#endif
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bool _smooth; /* if true, face smoothness is taken into account */
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float _viewplane_left;
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float _viewplane_right;
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float _viewplane_bottom;
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float _viewplane_top;
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float _z_near, _z_far;
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float _z_offset;
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RenderMonitor *_pRenderMonitor;
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#ifdef WITH_CXX_GUARDEDALLOC
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MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:BlenderFileLoader")
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#endif
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};
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} /* namespace Freestyle */
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#endif // __BLENDER_FILE_LOADER_H__
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