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blender-archive/source/blender/freestyle/intern/blender_interface/BlenderFileLoader.h

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Another big code clean-up patch by Bastien Montagne (GPL headers, indentation, spaces around operators, and so forth). Many thanks!
2012-12-18 00:51:25 +00:00
/*
* ***** 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"
soc-2008-mxcurioni: first version of lib3ds code. It does NOT work yet and has to be debugged. It can be activate in app_blender/api.cpp by replacing the FRS_scene_3ds_export call in FRS_prepare, by FRS_load_mesh. All of the reference to the original Material class were renamed to FrsMaterial to resolve a name collision with Blender. To keep the window context necessary to draw the strokes after RE_Database_FromScene has been called, the display_clear function is used.
2008-08-07 15:04:25 +00:00
extern "C" {
Another big code clean-up patch by Bastien Montagne (GPL headers, indentation, spaces around operators, and so forth). Many thanks!
2012-12-18 00:51:25 +00:00
#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"
soc-2008-mxcurioni: first version of lib3ds code. It does NOT work yet and has to be debugged. It can be activate in app_blender/api.cpp by replacing the FRS_scene_3ds_export call in FRS_prepare, by FRS_load_mesh. All of the reference to the original Material class were renamed to FrsMaterial to resolve a name collision with Blender. To keep the window context necessary to draw the strokes after RE_Database_FromScene has been called, the display_clear function is used.
2008-08-07 15:04:25 +00:00
}
Attempt to fix a potential name conflict between Freestyle and the compositor. A crash in the Freestyle renderer was reported by Ton on IRC with a stack trace below. Note that #2 is in Freestyle, whereas #1 is in the compositor. The problem was observed in a debug build on OS X 10.7 (gcc 4.2, openmp disabled, no llvm). ---------------------------------------------------------------------- Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: 13 at address: 0x0000000000000000 [Switching to process 72386 thread 0xf303] 0x0000000100c129f3 in NodeBase::~NodeBase (this=0x10e501c80) at COM_NodeBase.cpp:43 43 delete (this->m_outputsockets.back()); Current language: auto; currently c++ (gdb) where #0 0x0000000100c129f3 in NodeBase::~NodeBase (this=0x10e501c80) at COM_NodeBase.cpp:43 #1 0x0000000100c29066 in Node::~Node (this=0x10e501c80) at COM_Node.h:49 #2 0x000000010089c273 in NodeShape::~NodeShape (this=0x10e501c80) at NodeShape.cpp:43 #3 0x000000010089910b in NodeGroup::destroy (this=0x10e501da0) at NodeGroup.cpp:61 #4 0x00000001008990cd in NodeGroup::destroy (this=0x10e5014b0) at NodeGroup.cpp:59 #5 0x00000001008990cd in NodeGroup::destroy (this=0x114e18da0) at NodeGroup.cpp:59 #6 0x00000001007e6602 in Controller::ClearRootNode (this=0x114e19640) at Controller.cpp:329 #7 0x00000001007ea52e in Controller::LoadMesh (this=0x114e19640, re=0x10aba4638, srl=0x1140f5258) at Controller.cpp:302 #8 0x00000001008030ad in prepare (re=0x10aba4638, srl=0x1140f5258) at FRS_freestyle.cpp:302 #9 0x000000010080457a in FRS_do_stroke_rendering (re=0x10aba4638, srl=0x1140f5258) at FRS_freestyle.cpp:600 #10 0x00000001006aeb9d in add_freestyle (re=0x10aba4638) at pipeline.c:1584 #11 0x00000001006aceb7 in do_render_3d (re=0x10aba4638) at pipeline.c:1094 #12 0x00000001006ae061 in do_render_fields_blur_3d (re=0x10aba4638) at pipeline.c:1367 #13 0x00000001006afa16 in do_render_composite_fields_blur_3d (re=0x10aba4638) at pipeline.c:1815 #14 0x00000001006b04e4 in do_render_all_options (re=0x10aba4638) at pipeline.c:2021 ---------------------------------------------------------------------- Apparently a name conflict between the two Blender modules is taking place. The present commit hence intends to address it by putting all the Freestyle C++ classes in the namespace 'Freestyle'. This revision will also prevent potential name conflicts with other Blender modules in the future. Special thanks to Lukas Toenne for the help with C++ namespace.
2013-04-09 00:46:49 +00:00
namespace Freestyle {
soc-2008-mxcurioni: first version of lib3ds code. It does NOT work yet and has to be debugged. It can be activate in app_blender/api.cpp by replacing the FRS_scene_3ds_export call in FRS_prepare, by FRS_load_mesh. All of the reference to the original Material class were renamed to FrsMaterial to resolve a name collision with Blender. To keep the window context necessary to draw the strokes after RE_Database_FromScene has been called, the display_clear function is used.
2008-08-07 15:04:25 +00:00
class NodeGroup;
Clipping of imported meshes by the near and far view planes. A straightforward clipping algorithm was implemented to eliminate vertices that are out of the interval from the near to far clipping distance defined by the active camera. Previously, objects that come behind the camera could lead to a crash. The changes in this commit is intended to address this issue. When meshes are partially clipped, new edges are added. These edges can result in visible strokes if they are within the camera view.
2010-01-24 23:12:57 +00:00
struct LoaderState {
float *pv;
float *pn;
Fine control of feature edge selection with mesh face and edge marks. New "face marks" and "edge marks" have been introduced in mesh data blocks. In the edit mode of a mesh object, face marks can be put to selected faces by choosing Mesh >> Faces >> Mark Freestyle Face from the menu of a 3D View window or Ctrl-F >> Mark Freestyle Face from the context menu. Similarly, edge marks can be put to selected edges by Mesh >> Edges >> Mark Freestyle Edge or Ctrl-E >> Mark Freestyle Edge. These marks should work fine with the Subdivision surface modifier. Moreover, two new conditions for feature edge selection have been added to the Parameter Editor mode as described below: 1. The Selection by Edge Types option has now the new Edge Mark type, which can be used to (de)select feature edges having edge marks. This option can be used to add to (or remove from) the view map arbitrary edges of mesh objects. 2. Selection by Face Marks option has been newly introduced, in which face marks are used for feature edge selection in two ways. One option is called "One Face" which is to (de)select feature edges if one of faces on the left and right of each feature edge has a face mark. The other option is "Both Faces" to (de)select feature edges if both faces on the left and right have a face mark.
2011-10-06 02:04:43 +00:00
IndexedFaceSet::FaceEdgeMark *pm;
Clipping of imported meshes by the near and far view planes. A straightforward clipping algorithm was implemented to eliminate vertices that are out of the interval from the near to far clipping distance defined by the active camera. Previously, objects that come behind the camera could lead to a crash. The changes in this commit is intended to address this issue. When meshes are partially clipped, new edges are added. These edges can result in visible strokes if they are within the camera view.
2010-01-24 23:12:57 +00:00
unsigned *pvi;
unsigned *pni;
unsigned *pmi;
unsigned currentIndex;
unsigned currentMIndex;
float minBBox[3];
float maxBBox[3];
};
soc-2008-mxcurioni: first version of lib3ds code. It does NOT work yet and has to be debugged. It can be activate in app_blender/api.cpp by replacing the FRS_scene_3ds_export call in FRS_prepare, by FRS_load_mesh. All of the reference to the original Material class were renamed to FrsMaterial to resolve a name collision with Blender. To keep the window context necessary to draw the strokes after RE_Database_FromScene has been called, the display_clear function is used.
2008-08-07 15:04:25 +00:00
class LIB_SCENE_GRAPH_EXPORT BlenderFileLoader
{
public:
Another big code clean-up patch by Bastien Montagne (GPL headers, indentation, spaces around operators, and so forth). Many thanks!
2012-12-18 00:51:25 +00:00
/*! Builds a MaxFileLoader */
A big code clean-up patch from Bastien Montagne, many thanks!
2013-03-07 23:17:23 +00:00
BlenderFileLoader(Render *re, SceneRenderLayer *srl);
Another big code clean-up patch by Bastien Montagne (GPL headers, indentation, spaces around operators, and so forth). Many thanks!
2012-12-18 00:51:25 +00:00
virtual ~BlenderFileLoader();
soc-2008-mxcurioni: first version of lib3ds code. It does NOT work yet and has to be debugged. It can be activate in app_blender/api.cpp by replacing the FRS_scene_3ds_export call in FRS_prepare, by FRS_load_mesh. All of the reference to the original Material class were renamed to FrsMaterial to resolve a name collision with Blender. To keep the window context necessary to draw the strokes after RE_Database_FromScene has been called, the display_clear function is used.
2008-08-07 15:04:25 +00:00
Another big code clean-up patch by Bastien Montagne (GPL headers, indentation, spaces around operators, and so forth). Many thanks!
2012-12-18 00:51:25 +00:00
/*! Loads the 3D scene and returns a pointer to the scene root node */
NodeGroup * Load();
soc-2008-mxcurioni: first version of lib3ds code. It does NOT work yet and has to be debugged. It can be activate in app_blender/api.cpp by replacing the FRS_scene_3ds_export call in FRS_prepare, by FRS_load_mesh. All of the reference to the original Material class were renamed to FrsMaterial to resolve a name collision with Blender. To keep the window context necessary to draw the strokes after RE_Database_FromScene has been called, the display_clear function is used.
2008-08-07 15:04:25 +00:00
Another big code clean-up patch by Bastien Montagne (GPL headers, indentation, spaces around operators, and so forth). Many thanks!
2012-12-18 00:51:25 +00:00
/*! Gets the number of read faces */
inline unsigned int numFacesRead() {return _numFacesRead;}
soc-2008-mxcurioni: first version of lib3ds code. It does NOT work yet and has to be debugged. It can be activate in app_blender/api.cpp by replacing the FRS_scene_3ds_export call in FRS_prepare, by FRS_load_mesh. All of the reference to the original Material class were renamed to FrsMaterial to resolve a name collision with Blender. To keep the window context necessary to draw the strokes after RE_Database_FromScene has been called, the display_clear function is used.
2008-08-07 15:04:25 +00:00
Another big code clean-up patch by Bastien Montagne (GPL headers, indentation, spaces around operators, and so forth). Many thanks!
2012-12-18 00:51:25 +00:00
/*! Gets the smallest edge size read */
inline real minEdgeSize() {return _minEdgeSize;}
soc-2008-mxcurioni: first version of lib3ds code. It does NOT work yet and has to be debugged. It can be activate in app_blender/api.cpp by replacing the FRS_scene_3ds_export call in FRS_prepare, by FRS_load_mesh. All of the reference to the original Material class were renamed to FrsMaterial to resolve a name collision with Blender. To keep the window context necessary to draw the strokes after RE_Database_FromScene has been called, the display_clear function is used.
2008-08-07 15:04:25 +00:00
Another big code clean-up patch by Bastien Montagne (GPL headers, indentation, spaces around operators, and so forth). Many thanks!
2012-12-18 00:51:25 +00:00
/*! Modifiers */
inline void setRenderMonitor(RenderMonitor *iRenderMonitor) {_pRenderMonitor = iRenderMonitor;}
Better handling of the ESC key during Freestyle rendering. This commit is meant to improve the response of the ESC key for stopping Freestyle rendering throughout the rendering process. The rendering with Freestyle consists of several steps including: (1) mesh data loading, (2) winged edge construction, (3) silhouette edge detection, (4) view map construction, and (5) stroke drawing. All these steps have been extended to frequently check if the ESC key is pressed, so that users can abort time-consuming rendering at any point of time.
2012-07-16 23:29:12 +00:00
soc-2008-mxcurioni: first version of lib3ds code. It does NOT work yet and has to be debugged. It can be activate in app_blender/api.cpp by replacing the FRS_scene_3ds_export call in FRS_prepare, by FRS_load_mesh. All of the reference to the original Material class were renamed to FrsMaterial to resolve a name collision with Blender. To keep the window context necessary to draw the strokes after RE_Database_FromScene has been called, the display_clear function is used.
2008-08-07 15:04:25 +00:00
protected:
Added support for procedural duplication (such as DupliVerts and DupliFaces).
2010-02-19 01:10:04 +00:00
void insertShapeNode(ObjectInstanceRen *obi, int id);
Another possible fix for degenerate triangles in imported mesh data. A motivating example of the problem the present solution aims to address is a quad face such that three of the four vertices are colinear (i.e., they are lying on a line). Depending on how this quad is separated into two triangles, one of them can be a degenerate triangle. Degenerate triangles of this form are easy to avoid by rotating the diagonal edge of quad faces without affecting the visual outcome. The fix implemented in this commit tries to address degenerate triangles in this way.
2012-03-05 19:01:12 +00:00
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]);
Added support for procedural duplication (such as DupliVerts and DupliFaces).
2010-02-19 01:10:04 +00:00
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);
New option for taking account of face smoothness in view map calculation. With this option disabled, the smoothness of faces is ignored and jagged feature edges (when seen from a three-dimensional viewpoint) are generated. If the new option is enabled, face smoothness is taken into account during the view map calculation, resulting in smooth feature edges in 3D. This generally leads to more stable strokes, and also permits more stylization possibilities relying on the feature edge smoothness in 3D. The downside of smooth feature edges is that the visibility is mathematically not well-defined and may cause some artefact in rendering results. The new option is thus intended to allow users to try both jagged and smooth feature edges and see which ones would fit individual application needs. This option is disabled by default.
2010-11-27 11:23:11 +00:00
void clipTriangle(int numTris, float triCoords[][3], float v1[3], float v2[3], float v3[3],
Another big code clean-up patch by Bastien Montagne (GPL headers, indentation, spaces around operators, and so forth). Many thanks!
2012-12-18 00:51:25 +00:00
float triNormals[][3], float n1[3], float n2[3], float n3[3],
bool edgeMarks[5], bool em1, bool em2, bool em3, int clip[3]);
New option for taking account of face smoothness in view map calculation. With this option disabled, the smoothness of faces is ignored and jagged feature edges (when seen from a three-dimensional viewpoint) are generated. If the new option is enabled, face smoothness is taken into account during the view map calculation, resulting in smooth feature edges in 3D. This generally leads to more stable strokes, and also permits more stylization possibilities relying on the feature edge smoothness in 3D. The downside of smooth feature edges is that the visibility is mathematically not well-defined and may cause some artefact in rendering results. The new option is thus intended to allow users to try both jagged and smooth feature edges and see which ones would fit individual application needs. This option is disabled by default.
2010-11-27 11:23:11 +00:00
void addTriangle(struct LoaderState *ls, float v1[3], float v2[3], float v3[3],
Another big code clean-up patch by Bastien Montagne (GPL headers, indentation, spaces around operators, and so forth). Many thanks!
2012-12-18 00:51:25 +00:00
float n1[3], float n2[3], float n3[3], bool fm, bool em1, bool em2, bool em3);
soc-2008-mxcurioni: first version of lib3ds code. It does NOT work yet and has to be debugged. It can be activate in app_blender/api.cpp by replacing the FRS_scene_3ds_export call in FRS_prepare, by FRS_load_mesh. All of the reference to the original Material class were renamed to FrsMaterial to resolve a name collision with Blender. To keep the window context necessary to draw the strokes after RE_Database_FromScene has been called, the display_clear function is used.
2008-08-07 15:04:25 +00:00
protected:
Another possible fix for degenerate triangles in imported mesh data. A motivating example of the problem the present solution aims to address is a quad face such that three of the four vertices are colinear (i.e., they are lying on a line). Depending on how this quad is separated into two triangles, one of them can be a degenerate triangle. Degenerate triangles of this form are easy to avoid by rotating the diagonal edge of quad faces without affecting the visual outcome. The fix implemented in this commit tries to address degenerate triangles in this way.
2012-03-05 19:01:12 +00:00
struct detri_t {
unsigned viA, viB, viP; // 0 <= viA, viB, viP < viSize
Vec3r v;
unsigned n;
};
Another big code clean-up patch by Bastien Montagne (GPL headers, indentation, spaces around operators, and so forth). Many thanks!
2012-12-18 00:51:25 +00:00
Render *_re;
SceneRenderLayer *_srl;
NodeGroup *_Scene;
Fixed a bug in SilhouetteGeomEngine::ImageToWorldParameter() that caused instability issues regarding the view map creation. A new iterative solver of the 2D-to-3D inverse projection transformation problem was implemented. Instead of directly solving the problem in the direction from the 2D to 3D space, the new solver starts with an initial guess of an approximated solution and asymptotically approaches to the true solution by iteratively performing the forward 3D-to-2D projection transformation and improving the approximation. Preliminary tests with one simple and another complex scenes showed that the solver converges quickly (more and less 20 iterations in many cases, with a stopping criterion of a residual distance between the true and approximated solutions less than 1e-6 Blender Unit).
2010-01-10 14:08:59 +00:00
unsigned _numFacesRead;
real _minEdgeSize;
New option for taking account of face smoothness in view map calculation. With this option disabled, the smoothness of faces is ignored and jagged feature edges (when seen from a three-dimensional viewpoint) are generated. If the new option is enabled, face smoothness is taken into account during the view map calculation, resulting in smooth feature edges in 3D. This generally leads to more stable strokes, and also permits more stylization possibilities relying on the feature edge smoothness in 3D. The downside of smooth feature edges is that the visibility is mathematically not well-defined and may cause some artefact in rendering results. The new option is thus intended to allow users to try both jagged and smooth feature edges and see which ones would fit individual application needs. This option is disabled by default.
2010-11-27 11:23:11 +00:00
bool _smooth; /* if true, face smoothness is taken into account */
Fixed a bug in SilhouetteGeomEngine::ImageToWorldParameter() that caused instability issues regarding the view map creation. A new iterative solver of the 2D-to-3D inverse projection transformation problem was implemented. Instead of directly solving the problem in the direction from the 2D to 3D space, the new solver starts with an initial guess of an approximated solution and asymptotically approaches to the true solution by iteratively performing the forward 3D-to-2D projection transformation and improving the approximation. Preliminary tests with one simple and another complex scenes showed that the solver converges quickly (more and less 20 iterations in many cases, with a stopping criterion of a residual distance between the true and approximated solutions less than 1e-6 Blender Unit).
2010-01-10 14:08:59 +00:00
float _viewplane_left;
float _viewplane_right;
float _viewplane_bottom;
float _viewplane_top;
float _z_near, _z_far;
Better handling of the ESC key during Freestyle rendering. This commit is meant to improve the response of the ESC key for stopping Freestyle rendering throughout the rendering process. The rendering with Freestyle consists of several steps including: (1) mesh data loading, (2) winged edge construction, (3) silhouette edge detection, (4) view map construction, and (5) stroke drawing. All these steps have been extended to frequently check if the ESC key is pressed, so that users can abort time-consuming rendering at any point of time.
2012-07-16 23:29:12 +00:00
RenderMonitor *_pRenderMonitor;
soc-2008-mxcurioni: first version of lib3ds code. It does NOT work yet and has to be debugged. It can be activate in app_blender/api.cpp by replacing the FRS_scene_3ds_export call in FRS_prepare, by FRS_load_mesh. All of the reference to the original Material class were renamed to FrsMaterial to resolve a name collision with Blender. To keep the window context necessary to draw the strokes after RE_Database_FromScene has been called, the display_clear function is used.
2008-08-07 15:04:25 +00:00
};
Attempt to fix a potential name conflict between Freestyle and the compositor. A crash in the Freestyle renderer was reported by Ton on IRC with a stack trace below. Note that #2 is in Freestyle, whereas #1 is in the compositor. The problem was observed in a debug build on OS X 10.7 (gcc 4.2, openmp disabled, no llvm). ---------------------------------------------------------------------- Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: 13 at address: 0x0000000000000000 [Switching to process 72386 thread 0xf303] 0x0000000100c129f3 in NodeBase::~NodeBase (this=0x10e501c80) at COM_NodeBase.cpp:43 43 delete (this->m_outputsockets.back()); Current language: auto; currently c++ (gdb) where #0 0x0000000100c129f3 in NodeBase::~NodeBase (this=0x10e501c80) at COM_NodeBase.cpp:43 #1 0x0000000100c29066 in Node::~Node (this=0x10e501c80) at COM_Node.h:49 #2 0x000000010089c273 in NodeShape::~NodeShape (this=0x10e501c80) at NodeShape.cpp:43 #3 0x000000010089910b in NodeGroup::destroy (this=0x10e501da0) at NodeGroup.cpp:61 #4 0x00000001008990cd in NodeGroup::destroy (this=0x10e5014b0) at NodeGroup.cpp:59 #5 0x00000001008990cd in NodeGroup::destroy (this=0x114e18da0) at NodeGroup.cpp:59 #6 0x00000001007e6602 in Controller::ClearRootNode (this=0x114e19640) at Controller.cpp:329 #7 0x00000001007ea52e in Controller::LoadMesh (this=0x114e19640, re=0x10aba4638, srl=0x1140f5258) at Controller.cpp:302 #8 0x00000001008030ad in prepare (re=0x10aba4638, srl=0x1140f5258) at FRS_freestyle.cpp:302 #9 0x000000010080457a in FRS_do_stroke_rendering (re=0x10aba4638, srl=0x1140f5258) at FRS_freestyle.cpp:600 #10 0x00000001006aeb9d in add_freestyle (re=0x10aba4638) at pipeline.c:1584 #11 0x00000001006aceb7 in do_render_3d (re=0x10aba4638) at pipeline.c:1094 #12 0x00000001006ae061 in do_render_fields_blur_3d (re=0x10aba4638) at pipeline.c:1367 #13 0x00000001006afa16 in do_render_composite_fields_blur_3d (re=0x10aba4638) at pipeline.c:1815 #14 0x00000001006b04e4 in do_render_all_options (re=0x10aba4638) at pipeline.c:2021 ---------------------------------------------------------------------- Apparently a name conflict between the two Blender modules is taking place. The present commit hence intends to address it by putting all the Freestyle C++ classes in the namespace 'Freestyle'. This revision will also prevent potential name conflicts with other Blender modules in the future. Special thanks to Lukas Toenne for the help with C++ namespace.
2013-04-09 00:46:49 +00:00
} /* namespace Freestyle */
Another big code clean-up patch by Bastien Montagne (GPL headers, indentation, spaces around operators, and so forth). Many thanks!
2012-12-18 00:51:25 +00:00
#endif // __BLENDER_FILE_LOADER_H__
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