3437 lines
100 KiB
C
3437 lines
100 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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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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* The Original Code is Copyright (C) 2005 Blender Foundation.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/blenkernel/intern/DerivedMesh.c
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* \ingroup bke
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*/
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#include <string.h>
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#include <limits.h>
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#include "MEM_guardedalloc.h"
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#include "DNA_cloth_types.h"
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#include "DNA_key_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_object_types.h"
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#include "DNA_scene_types.h"
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#include "BLI_blenlib.h"
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#include "BLI_math.h"
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#include "BLI_utildefines.h"
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#include "BLI_linklist.h"
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#include "BKE_cdderivedmesh.h"
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#include "BKE_editmesh.h"
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#include "BKE_key.h"
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#include "BKE_material.h"
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#include "BKE_modifier.h"
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#include "BKE_mesh.h"
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#include "BKE_mesh_mapping.h"
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#include "BKE_object.h"
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#include "BKE_object_deform.h"
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#include "BKE_paint.h"
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#include "BKE_texture.h"
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#include "BKE_multires.h"
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#include "BKE_bvhutils.h"
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#include "BKE_deform.h"
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#include "BKE_global.h" /* For debug flag, DM_update_tessface_data() func. */
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#ifdef WITH_GAMEENGINE
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#include "BKE_navmesh_conversion.h"
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static DerivedMesh *navmesh_dm_createNavMeshForVisualization(DerivedMesh *dm);
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#endif
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#include "BLI_sys_types.h" /* for intptr_t support */
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#include "GL/glew.h"
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#include "GPU_buffers.h"
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#include "GPU_draw.h"
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#include "GPU_extensions.h"
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#include "GPU_material.h"
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/* very slow! enable for testing only! */
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// #define USE_MODIFIER_VALIDATE
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#ifdef USE_MODIFIER_VALIDATE
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# define ASSERT_IS_VALID_DM(dm) (BLI_assert((dm == NULL) || (DM_is_valid(dm) == true)))
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#else
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# define ASSERT_IS_VALID_DM(dm)
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#endif
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static void add_shapekey_layers(DerivedMesh *dm, Mesh *me, Object *ob);
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static void shapekey_layers_to_keyblocks(DerivedMesh *dm, Mesh *me, int actshape_uid);
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/* -------------------------------------------------------------------- */
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static MVert *dm_getVertArray(DerivedMesh *dm)
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{
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MVert *mvert = CustomData_get_layer(&dm->vertData, CD_MVERT);
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if (!mvert) {
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mvert = CustomData_add_layer(&dm->vertData, CD_MVERT, CD_CALLOC, NULL,
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dm->getNumVerts(dm));
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CustomData_set_layer_flag(&dm->vertData, CD_MVERT, CD_FLAG_TEMPORARY);
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dm->copyVertArray(dm, mvert);
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}
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return mvert;
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}
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static MEdge *dm_getEdgeArray(DerivedMesh *dm)
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{
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MEdge *medge = CustomData_get_layer(&dm->edgeData, CD_MEDGE);
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if (!medge) {
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medge = CustomData_add_layer(&dm->edgeData, CD_MEDGE, CD_CALLOC, NULL,
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dm->getNumEdges(dm));
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CustomData_set_layer_flag(&dm->edgeData, CD_MEDGE, CD_FLAG_TEMPORARY);
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dm->copyEdgeArray(dm, medge);
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}
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return medge;
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}
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static MFace *dm_getTessFaceArray(DerivedMesh *dm)
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{
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MFace *mface = CustomData_get_layer(&dm->faceData, CD_MFACE);
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if (!mface) {
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int numTessFaces = dm->getNumTessFaces(dm);
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if (!numTessFaces) {
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/* Do not add layer if there's no elements in it, this leads to issues later when
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* this layer is needed with non-zero size, but currently CD stuff does not check
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* for requested layer size on creation and just returns layer which was previously
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* added (sergey) */
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return NULL;
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}
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mface = CustomData_add_layer(&dm->faceData, CD_MFACE, CD_CALLOC, NULL, numTessFaces);
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CustomData_set_layer_flag(&dm->faceData, CD_MFACE, CD_FLAG_TEMPORARY);
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dm->copyTessFaceArray(dm, mface);
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}
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return mface;
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}
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static MLoop *dm_getLoopArray(DerivedMesh *dm)
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{
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MLoop *mloop = CustomData_get_layer(&dm->loopData, CD_MLOOP);
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if (!mloop) {
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mloop = CustomData_add_layer(&dm->loopData, CD_MLOOP, CD_CALLOC, NULL,
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dm->getNumLoops(dm));
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CustomData_set_layer_flag(&dm->loopData, CD_MLOOP, CD_FLAG_TEMPORARY);
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dm->copyLoopArray(dm, mloop);
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}
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return mloop;
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}
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static MPoly *dm_getPolyArray(DerivedMesh *dm)
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{
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MPoly *mpoly = CustomData_get_layer(&dm->polyData, CD_MPOLY);
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if (!mpoly) {
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mpoly = CustomData_add_layer(&dm->polyData, CD_MPOLY, CD_CALLOC, NULL,
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dm->getNumPolys(dm));
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CustomData_set_layer_flag(&dm->polyData, CD_MPOLY, CD_FLAG_TEMPORARY);
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dm->copyPolyArray(dm, mpoly);
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}
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return mpoly;
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}
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static MVert *dm_dupVertArray(DerivedMesh *dm)
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{
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MVert *tmp = MEM_mallocN(sizeof(*tmp) * dm->getNumVerts(dm),
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"dm_dupVertArray tmp");
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if (tmp) dm->copyVertArray(dm, tmp);
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return tmp;
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}
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static MEdge *dm_dupEdgeArray(DerivedMesh *dm)
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{
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MEdge *tmp = MEM_mallocN(sizeof(*tmp) * dm->getNumEdges(dm),
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"dm_dupEdgeArray tmp");
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if (tmp) dm->copyEdgeArray(dm, tmp);
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return tmp;
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}
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static MFace *dm_dupFaceArray(DerivedMesh *dm)
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{
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MFace *tmp = MEM_mallocN(sizeof(*tmp) * dm->getNumTessFaces(dm),
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"dm_dupFaceArray tmp");
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if (tmp) dm->copyTessFaceArray(dm, tmp);
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return tmp;
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}
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static MLoop *dm_dupLoopArray(DerivedMesh *dm)
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{
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MLoop *tmp = MEM_mallocN(sizeof(*tmp) * dm->getNumLoops(dm),
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"dm_dupLoopArray tmp");
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if (tmp) dm->copyLoopArray(dm, tmp);
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return tmp;
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}
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static MPoly *dm_dupPolyArray(DerivedMesh *dm)
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{
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MPoly *tmp = MEM_mallocN(sizeof(*tmp) * dm->getNumPolys(dm),
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"dm_dupPolyArray tmp");
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if (tmp) dm->copyPolyArray(dm, tmp);
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return tmp;
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}
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static CustomData *dm_getVertCData(DerivedMesh *dm)
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{
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return &dm->vertData;
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}
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static CustomData *dm_getEdgeCData(DerivedMesh *dm)
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{
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return &dm->edgeData;
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}
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static CustomData *dm_getTessFaceCData(DerivedMesh *dm)
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{
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return &dm->faceData;
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}
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static CustomData *dm_getLoopCData(DerivedMesh *dm)
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{
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return &dm->loopData;
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}
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static CustomData *dm_getPolyCData(DerivedMesh *dm)
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{
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return &dm->polyData;
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}
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void DM_init_funcs(DerivedMesh *dm)
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{
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/* default function implementations */
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dm->getVertArray = dm_getVertArray;
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dm->getEdgeArray = dm_getEdgeArray;
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dm->getTessFaceArray = dm_getTessFaceArray;
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dm->getLoopArray = dm_getLoopArray;
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dm->getPolyArray = dm_getPolyArray;
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dm->dupVertArray = dm_dupVertArray;
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dm->dupEdgeArray = dm_dupEdgeArray;
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dm->dupTessFaceArray = dm_dupFaceArray;
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dm->dupLoopArray = dm_dupLoopArray;
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dm->dupPolyArray = dm_dupPolyArray;
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dm->getVertDataLayout = dm_getVertCData;
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dm->getEdgeDataLayout = dm_getEdgeCData;
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dm->getTessFaceDataLayout = dm_getTessFaceCData;
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dm->getLoopDataLayout = dm_getLoopCData;
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dm->getPolyDataLayout = dm_getPolyCData;
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dm->getVertData = DM_get_vert_data;
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dm->getEdgeData = DM_get_edge_data;
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dm->getTessFaceData = DM_get_tessface_data;
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dm->getPolyData = DM_get_poly_data;
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dm->getVertDataArray = DM_get_vert_data_layer;
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dm->getEdgeDataArray = DM_get_edge_data_layer;
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dm->getTessFaceDataArray = DM_get_tessface_data_layer;
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dm->getPolyDataArray = DM_get_poly_data_layer;
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dm->getLoopDataArray = DM_get_loop_data_layer;
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bvhcache_init(&dm->bvhCache);
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}
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void DM_init(DerivedMesh *dm, DerivedMeshType type, int numVerts, int numEdges,
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int numTessFaces, int numLoops, int numPolys)
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{
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dm->type = type;
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dm->numVertData = numVerts;
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dm->numEdgeData = numEdges;
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dm->numTessFaceData = numTessFaces;
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dm->numLoopData = numLoops;
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dm->numPolyData = numPolys;
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DM_init_funcs(dm);
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dm->needsFree = 1;
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dm->auto_bump_scale = -1.0f;
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dm->dirty = 0;
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/* don't use CustomData_reset(...); because we dont want to touch customdata */
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fill_vn_i(dm->vertData.typemap, CD_NUMTYPES, -1);
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fill_vn_i(dm->edgeData.typemap, CD_NUMTYPES, -1);
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fill_vn_i(dm->faceData.typemap, CD_NUMTYPES, -1);
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fill_vn_i(dm->loopData.typemap, CD_NUMTYPES, -1);
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fill_vn_i(dm->polyData.typemap, CD_NUMTYPES, -1);
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}
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void DM_from_template(DerivedMesh *dm, DerivedMesh *source, DerivedMeshType type,
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int numVerts, int numEdges, int numTessFaces,
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int numLoops, int numPolys)
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{
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CustomData_copy(&source->vertData, &dm->vertData, CD_MASK_DERIVEDMESH,
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CD_CALLOC, numVerts);
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CustomData_copy(&source->edgeData, &dm->edgeData, CD_MASK_DERIVEDMESH,
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CD_CALLOC, numEdges);
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CustomData_copy(&source->faceData, &dm->faceData, CD_MASK_DERIVEDMESH,
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CD_CALLOC, numTessFaces);
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CustomData_copy(&source->loopData, &dm->loopData, CD_MASK_DERIVEDMESH,
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CD_CALLOC, numLoops);
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CustomData_copy(&source->polyData, &dm->polyData, CD_MASK_DERIVEDMESH,
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CD_CALLOC, numPolys);
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dm->cd_flag = source->cd_flag;
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dm->type = type;
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dm->numVertData = numVerts;
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dm->numEdgeData = numEdges;
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dm->numTessFaceData = numTessFaces;
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dm->numLoopData = numLoops;
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dm->numPolyData = numPolys;
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DM_init_funcs(dm);
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dm->needsFree = 1;
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dm->dirty = 0;
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}
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int DM_release(DerivedMesh *dm)
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{
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if (dm->needsFree) {
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bvhcache_free(&dm->bvhCache);
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GPU_drawobject_free(dm);
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CustomData_free(&dm->vertData, dm->numVertData);
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CustomData_free(&dm->edgeData, dm->numEdgeData);
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CustomData_free(&dm->faceData, dm->numTessFaceData);
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CustomData_free(&dm->loopData, dm->numLoopData);
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CustomData_free(&dm->polyData, dm->numPolyData);
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if (dm->mat) {
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MEM_freeN(dm->mat);
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dm->mat = NULL;
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dm->totmat = 0;
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}
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return 1;
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}
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else {
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CustomData_free_temporary(&dm->vertData, dm->numVertData);
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CustomData_free_temporary(&dm->edgeData, dm->numEdgeData);
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CustomData_free_temporary(&dm->faceData, dm->numTessFaceData);
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CustomData_free_temporary(&dm->loopData, dm->numLoopData);
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CustomData_free_temporary(&dm->polyData, dm->numPolyData);
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return 0;
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}
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}
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void DM_DupPolys(DerivedMesh *source, DerivedMesh *target)
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{
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CustomData_free(&target->loopData, source->numLoopData);
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CustomData_free(&target->polyData, source->numPolyData);
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CustomData_copy(&source->loopData, &target->loopData, CD_MASK_DERIVEDMESH, CD_DUPLICATE, source->numLoopData);
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CustomData_copy(&source->polyData, &target->polyData, CD_MASK_DERIVEDMESH, CD_DUPLICATE, source->numPolyData);
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target->numLoopData = source->numLoopData;
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target->numPolyData = source->numPolyData;
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if (!CustomData_has_layer(&target->polyData, CD_MPOLY)) {
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MPoly *mpoly;
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MLoop *mloop;
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mloop = source->dupLoopArray(source);
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mpoly = source->dupPolyArray(source);
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CustomData_add_layer(&target->loopData, CD_MLOOP, CD_ASSIGN, mloop, source->numLoopData);
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CustomData_add_layer(&target->polyData, CD_MPOLY, CD_ASSIGN, mpoly, source->numPolyData);
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}
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}
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void DM_ensure_normals(DerivedMesh *dm)
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{
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if (dm->dirty & DM_DIRTY_NORMALS) {
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dm->calcNormals(dm);
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}
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BLI_assert((dm->dirty & DM_DIRTY_NORMALS) == 0);
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}
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static void DM_calc_loop_normals(DerivedMesh *dm, float split_angle)
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{
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dm->calcLoopNormals(dm, split_angle);
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dm->dirty |= DM_DIRTY_TESS_CDLAYERS;
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}
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/* note: until all modifiers can take MPoly's as input,
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* use this at the start of modifiers */
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void DM_ensure_tessface(DerivedMesh *dm)
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{
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const int numTessFaces = dm->getNumTessFaces(dm);
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const int numPolys = dm->getNumPolys(dm);
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if ((numTessFaces == 0) && (numPolys != 0)) {
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dm->recalcTessellation(dm);
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if (dm->getNumTessFaces(dm) != 0) {
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/* printf("info %s: polys -> ngons calculated\n", __func__); */
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}
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else {
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printf("warning %s: could not create tessfaces from %d polygons, dm->type=%d\n",
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__func__, numPolys, dm->type);
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}
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}
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else if (dm->dirty & DM_DIRTY_TESS_CDLAYERS) {
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BLI_assert(CustomData_has_layer(&dm->faceData, CD_ORIGINDEX) || numTessFaces == 0);
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DM_update_tessface_data(dm);
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}
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dm->dirty &= ~DM_DIRTY_TESS_CDLAYERS;
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}
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/* Update tessface CD data from loop/poly ones. Needed when not retessellating after modstack evaluation. */
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/* NOTE: Assumes dm has valid tessellated data! */
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void DM_update_tessface_data(DerivedMesh *dm)
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{
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MFace *mf, *mface = dm->getTessFaceArray(dm);
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MPoly *mp = dm->getPolyArray(dm);
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MLoop *ml = dm->getLoopArray(dm);
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CustomData *fdata = dm->getTessFaceDataLayout(dm);
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CustomData *pdata = dm->getPolyDataLayout(dm);
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CustomData *ldata = dm->getLoopDataLayout(dm);
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const int totface = dm->getNumTessFaces(dm);
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int mf_idx;
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int *polyindex = CustomData_get_layer(fdata, CD_ORIGINDEX);
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unsigned int (*loopindex)[4];
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/* Should never occure, but better abort than segfault! */
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if (!polyindex)
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return;
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CustomData_from_bmeshpoly(fdata, pdata, ldata, totface);
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if (CustomData_has_layer(fdata, CD_MTFACE) ||
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CustomData_has_layer(fdata, CD_MCOL) ||
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CustomData_has_layer(fdata, CD_PREVIEW_MCOL) ||
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CustomData_has_layer(fdata, CD_ORIGSPACE) ||
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CustomData_has_layer(fdata, CD_TESSLOOPNORMAL))
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{
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loopindex = MEM_mallocN(sizeof(*loopindex) * totface, __func__);
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for (mf_idx = 0, mf = mface; mf_idx < totface; mf_idx++, mf++) {
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const int mf_len = mf->v4 ? 4 : 3;
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unsigned int *ml_idx = loopindex[mf_idx];
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int i, not_done;
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/* Find out loop indices. */
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/* NOTE: This assumes tessface are valid and in sync with loop/poly... Else, most likely, segfault! */
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for (i = mp[polyindex[mf_idx]].loopstart, not_done = mf_len; not_done; i++) {
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const int tf_v = BKE_MESH_TESSFACE_VINDEX_ORDER(mf, ml[i].v);
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if (tf_v != -1) {
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ml_idx[tf_v] = i;
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not_done--;
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}
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}
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}
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/* NOTE: quad detection issue - forth vertidx vs forth loopidx:
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* Here, our tfaces' forth vertex index is never 0 for a quad. However, we know our forth loop index may be
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* 0 for quads (because our quads may have been rotated compared to their org poly, see tessellation code).
|
|
* So we pass the MFace's, and BKE_mesh_loops_to_tessdata will use MFace->v4 index as quad test.
|
|
*/
|
|
BKE_mesh_loops_to_tessdata(fdata, ldata, pdata, mface, polyindex, loopindex, totface);
|
|
|
|
MEM_freeN(loopindex);
|
|
}
|
|
|
|
if (G.debug & G_DEBUG)
|
|
printf("%s: Updated tessellated customdata of dm %p\n", __func__, dm);
|
|
|
|
dm->dirty &= ~DM_DIRTY_TESS_CDLAYERS;
|
|
}
|
|
|
|
void DM_update_materials(DerivedMesh *dm, Object *ob)
|
|
{
|
|
int i, totmat = ob->totcol + 1; /* materials start from 1, default material is 0 */
|
|
dm->totmat = totmat;
|
|
|
|
/* invalidate old materials */
|
|
if (dm->mat)
|
|
MEM_freeN(dm->mat);
|
|
|
|
dm->mat = MEM_callocN(totmat * sizeof(*dm->mat), "DerivedMesh.mat");
|
|
|
|
for (i = 1; i < totmat; i++) {
|
|
dm->mat[i] = give_current_material(ob, i);
|
|
}
|
|
}
|
|
|
|
|
|
void DM_to_mesh(DerivedMesh *dm, Mesh *me, Object *ob, CustomDataMask mask)
|
|
{
|
|
/* dm might depend on me, so we need to do everything with a local copy */
|
|
Mesh tmp = *me;
|
|
int totvert, totedge /*, totface */ /* UNUSED */, totloop, totpoly;
|
|
int did_shapekeys = 0;
|
|
|
|
CustomData_reset(&tmp.vdata);
|
|
CustomData_reset(&tmp.edata);
|
|
CustomData_reset(&tmp.fdata);
|
|
CustomData_reset(&tmp.ldata);
|
|
CustomData_reset(&tmp.pdata);
|
|
|
|
DM_ensure_normals(dm);
|
|
|
|
totvert = tmp.totvert = dm->getNumVerts(dm);
|
|
totedge = tmp.totedge = dm->getNumEdges(dm);
|
|
totloop = tmp.totloop = dm->getNumLoops(dm);
|
|
totpoly = tmp.totpoly = dm->getNumPolys(dm);
|
|
tmp.totface = 0;
|
|
|
|
CustomData_copy(&dm->vertData, &tmp.vdata, mask, CD_DUPLICATE, totvert);
|
|
CustomData_copy(&dm->edgeData, &tmp.edata, mask, CD_DUPLICATE, totedge);
|
|
CustomData_copy(&dm->loopData, &tmp.ldata, mask, CD_DUPLICATE, totloop);
|
|
CustomData_copy(&dm->polyData, &tmp.pdata, mask, CD_DUPLICATE, totpoly);
|
|
tmp.cd_flag = dm->cd_flag;
|
|
|
|
if (CustomData_has_layer(&dm->vertData, CD_SHAPEKEY)) {
|
|
KeyBlock *kb;
|
|
int uid;
|
|
|
|
if (ob) {
|
|
kb = BLI_findlink(&me->key->block, ob->shapenr - 1);
|
|
if (kb) {
|
|
uid = kb->uid;
|
|
}
|
|
else {
|
|
printf("%s: error - could not find active shapekey %d!\n",
|
|
__func__, ob->shapenr - 1);
|
|
|
|
uid = INT_MAX;
|
|
}
|
|
}
|
|
else {
|
|
/* if no object, set to INT_MAX so we don't mess up any shapekey layers */
|
|
uid = INT_MAX;
|
|
}
|
|
|
|
shapekey_layers_to_keyblocks(dm, me, uid);
|
|
did_shapekeys = 1;
|
|
}
|
|
|
|
/* copy texture space */
|
|
if (ob) {
|
|
BKE_mesh_texspace_copy_from_object(&tmp, ob);
|
|
}
|
|
|
|
/* not all DerivedMeshes store their verts/edges/faces in CustomData, so
|
|
* we set them here in case they are missing */
|
|
if (!CustomData_has_layer(&tmp.vdata, CD_MVERT))
|
|
CustomData_add_layer(&tmp.vdata, CD_MVERT, CD_ASSIGN, dm->dupVertArray(dm), totvert);
|
|
if (!CustomData_has_layer(&tmp.edata, CD_MEDGE))
|
|
CustomData_add_layer(&tmp.edata, CD_MEDGE, CD_ASSIGN, dm->dupEdgeArray(dm), totedge);
|
|
if (!CustomData_has_layer(&tmp.pdata, CD_MPOLY)) {
|
|
tmp.mloop = dm->dupLoopArray(dm);
|
|
tmp.mpoly = dm->dupPolyArray(dm);
|
|
|
|
CustomData_add_layer(&tmp.ldata, CD_MLOOP, CD_ASSIGN, tmp.mloop, tmp.totloop);
|
|
CustomData_add_layer(&tmp.pdata, CD_MPOLY, CD_ASSIGN, tmp.mpoly, tmp.totpoly);
|
|
}
|
|
|
|
/* object had got displacement layer, should copy this layer to save sculpted data */
|
|
/* NOTE: maybe some other layers should be copied? nazgul */
|
|
if (CustomData_has_layer(&me->ldata, CD_MDISPS)) {
|
|
if (totloop == me->totloop) {
|
|
MDisps *mdisps = CustomData_get_layer(&me->ldata, CD_MDISPS);
|
|
CustomData_add_layer(&tmp.ldata, CD_MDISPS, CD_DUPLICATE, mdisps, totloop);
|
|
}
|
|
}
|
|
|
|
/* yes, must be before _and_ after tessellate */
|
|
BKE_mesh_update_customdata_pointers(&tmp, false);
|
|
|
|
/* since 2.65 caller must do! */
|
|
// BKE_mesh_tessface_calc(&tmp);
|
|
|
|
CustomData_free(&me->vdata, me->totvert);
|
|
CustomData_free(&me->edata, me->totedge);
|
|
CustomData_free(&me->fdata, me->totface);
|
|
CustomData_free(&me->ldata, me->totloop);
|
|
CustomData_free(&me->pdata, me->totpoly);
|
|
|
|
/* ok, this should now use new CD shapekey data,
|
|
* which should be fed through the modifier
|
|
* stack*/
|
|
if (tmp.totvert != me->totvert && !did_shapekeys && me->key) {
|
|
printf("%s: YEEK! this should be recoded! Shape key loss!: ID '%s'\n", __func__, tmp.id.name);
|
|
if (tmp.key) tmp.key->id.us--;
|
|
tmp.key = NULL;
|
|
}
|
|
|
|
/* Clear selection history */
|
|
tmp.mselect = NULL;
|
|
tmp.totselect = 0;
|
|
if (me->mselect) {
|
|
MEM_freeN(me->mselect);
|
|
}
|
|
|
|
*me = tmp;
|
|
}
|
|
|
|
void DM_to_meshkey(DerivedMesh *dm, Mesh *me, KeyBlock *kb)
|
|
{
|
|
int a, totvert = dm->getNumVerts(dm);
|
|
float *fp;
|
|
MVert *mvert;
|
|
|
|
if (totvert == 0 || me->totvert == 0 || me->totvert != totvert) return;
|
|
|
|
if (kb->data) MEM_freeN(kb->data);
|
|
kb->data = MEM_mallocN(me->key->elemsize * me->totvert, "kb->data");
|
|
kb->totelem = totvert;
|
|
|
|
fp = kb->data;
|
|
mvert = dm->getVertDataArray(dm, CD_MVERT);
|
|
|
|
for (a = 0; a < kb->totelem; a++, fp += 3, mvert++) {
|
|
copy_v3_v3(fp, mvert->co);
|
|
}
|
|
}
|
|
|
|
void DM_set_only_copy(DerivedMesh *dm, CustomDataMask mask)
|
|
{
|
|
CustomData_set_only_copy(&dm->vertData, mask);
|
|
CustomData_set_only_copy(&dm->edgeData, mask);
|
|
CustomData_set_only_copy(&dm->faceData, mask);
|
|
/* this wasn't in 2.63 and is disabled for 2.64 because it gives problems with
|
|
* weight paint mode when there are modifiers applied, needs further investigation,
|
|
* see replies to r50969, Campbell */
|
|
#if 0
|
|
CustomData_set_only_copy(&dm->loopData, mask);
|
|
CustomData_set_only_copy(&dm->polyData, mask);
|
|
#endif
|
|
}
|
|
|
|
void DM_add_vert_layer(DerivedMesh *dm, int type, int alloctype, void *layer)
|
|
{
|
|
CustomData_add_layer(&dm->vertData, type, alloctype, layer, dm->numVertData);
|
|
}
|
|
|
|
void DM_add_edge_layer(DerivedMesh *dm, int type, int alloctype, void *layer)
|
|
{
|
|
CustomData_add_layer(&dm->edgeData, type, alloctype, layer, dm->numEdgeData);
|
|
}
|
|
|
|
void DM_add_tessface_layer(DerivedMesh *dm, int type, int alloctype, void *layer)
|
|
{
|
|
CustomData_add_layer(&dm->faceData, type, alloctype, layer, dm->numTessFaceData);
|
|
}
|
|
|
|
void DM_add_loop_layer(DerivedMesh *dm, int type, int alloctype, void *layer)
|
|
{
|
|
CustomData_add_layer(&dm->loopData, type, alloctype, layer, dm->numLoopData);
|
|
}
|
|
|
|
void DM_add_poly_layer(DerivedMesh *dm, int type, int alloctype, void *layer)
|
|
{
|
|
CustomData_add_layer(&dm->polyData, type, alloctype, layer, dm->numPolyData);
|
|
}
|
|
|
|
void *DM_get_vert_data(DerivedMesh *dm, int index, int type)
|
|
{
|
|
BLI_assert(index >= 0 && index < dm->getNumVerts(dm));
|
|
return CustomData_get(&dm->vertData, index, type);
|
|
}
|
|
|
|
void *DM_get_edge_data(DerivedMesh *dm, int index, int type)
|
|
{
|
|
BLI_assert(index >= 0 && index < dm->getNumEdges(dm));
|
|
return CustomData_get(&dm->edgeData, index, type);
|
|
}
|
|
|
|
void *DM_get_tessface_data(DerivedMesh *dm, int index, int type)
|
|
{
|
|
BLI_assert(index >= 0 && index < dm->getNumTessFaces(dm));
|
|
return CustomData_get(&dm->faceData, index, type);
|
|
}
|
|
|
|
void *DM_get_poly_data(DerivedMesh *dm, int index, int type)
|
|
{
|
|
BLI_assert(index >= 0 && index < dm->getNumPolys(dm));
|
|
return CustomData_get(&dm->polyData, index, type);
|
|
}
|
|
|
|
|
|
void *DM_get_vert_data_layer(DerivedMesh *dm, int type)
|
|
{
|
|
if (type == CD_MVERT)
|
|
return dm->getVertArray(dm);
|
|
|
|
return CustomData_get_layer(&dm->vertData, type);
|
|
}
|
|
|
|
void *DM_get_edge_data_layer(DerivedMesh *dm, int type)
|
|
{
|
|
if (type == CD_MEDGE)
|
|
return dm->getEdgeArray(dm);
|
|
|
|
return CustomData_get_layer(&dm->edgeData, type);
|
|
}
|
|
|
|
void *DM_get_tessface_data_layer(DerivedMesh *dm, int type)
|
|
{
|
|
if (type == CD_MFACE)
|
|
return dm->getTessFaceArray(dm);
|
|
|
|
return CustomData_get_layer(&dm->faceData, type);
|
|
}
|
|
|
|
void *DM_get_poly_data_layer(DerivedMesh *dm, int type)
|
|
{
|
|
return CustomData_get_layer(&dm->polyData, type);
|
|
}
|
|
|
|
void *DM_get_loop_data_layer(DerivedMesh *dm, int type)
|
|
{
|
|
return CustomData_get_layer(&dm->loopData, type);
|
|
}
|
|
|
|
void DM_set_vert_data(DerivedMesh *dm, int index, int type, void *data)
|
|
{
|
|
CustomData_set(&dm->vertData, index, type, data);
|
|
}
|
|
|
|
void DM_set_edge_data(DerivedMesh *dm, int index, int type, void *data)
|
|
{
|
|
CustomData_set(&dm->edgeData, index, type, data);
|
|
}
|
|
|
|
void DM_set_tessface_data(DerivedMesh *dm, int index, int type, void *data)
|
|
{
|
|
CustomData_set(&dm->faceData, index, type, data);
|
|
}
|
|
|
|
void DM_copy_vert_data(DerivedMesh *source, DerivedMesh *dest,
|
|
int source_index, int dest_index, int count)
|
|
{
|
|
CustomData_copy_data(&source->vertData, &dest->vertData,
|
|
source_index, dest_index, count);
|
|
}
|
|
|
|
void DM_copy_edge_data(DerivedMesh *source, DerivedMesh *dest,
|
|
int source_index, int dest_index, int count)
|
|
{
|
|
CustomData_copy_data(&source->edgeData, &dest->edgeData,
|
|
source_index, dest_index, count);
|
|
}
|
|
|
|
void DM_copy_tessface_data(DerivedMesh *source, DerivedMesh *dest,
|
|
int source_index, int dest_index, int count)
|
|
{
|
|
CustomData_copy_data(&source->faceData, &dest->faceData,
|
|
source_index, dest_index, count);
|
|
}
|
|
|
|
void DM_copy_loop_data(DerivedMesh *source, DerivedMesh *dest,
|
|
int source_index, int dest_index, int count)
|
|
{
|
|
CustomData_copy_data(&source->loopData, &dest->loopData,
|
|
source_index, dest_index, count);
|
|
}
|
|
|
|
void DM_copy_poly_data(DerivedMesh *source, DerivedMesh *dest,
|
|
int source_index, int dest_index, int count)
|
|
{
|
|
CustomData_copy_data(&source->polyData, &dest->polyData,
|
|
source_index, dest_index, count);
|
|
}
|
|
|
|
void DM_free_vert_data(struct DerivedMesh *dm, int index, int count)
|
|
{
|
|
CustomData_free_elem(&dm->vertData, index, count);
|
|
}
|
|
|
|
void DM_free_edge_data(struct DerivedMesh *dm, int index, int count)
|
|
{
|
|
CustomData_free_elem(&dm->edgeData, index, count);
|
|
}
|
|
|
|
void DM_free_tessface_data(struct DerivedMesh *dm, int index, int count)
|
|
{
|
|
CustomData_free_elem(&dm->faceData, index, count);
|
|
}
|
|
|
|
void DM_free_loop_data(struct DerivedMesh *dm, int index, int count)
|
|
{
|
|
CustomData_free_elem(&dm->loopData, index, count);
|
|
}
|
|
|
|
void DM_free_poly_data(struct DerivedMesh *dm, int index, int count)
|
|
{
|
|
CustomData_free_elem(&dm->polyData, index, count);
|
|
}
|
|
|
|
void DM_interp_vert_data(DerivedMesh *source, DerivedMesh *dest,
|
|
int *src_indices, float *weights,
|
|
int count, int dest_index)
|
|
{
|
|
CustomData_interp(&source->vertData, &dest->vertData, src_indices,
|
|
weights, NULL, count, dest_index);
|
|
}
|
|
|
|
void DM_interp_edge_data(DerivedMesh *source, DerivedMesh *dest,
|
|
int *src_indices,
|
|
float *weights, EdgeVertWeight *vert_weights,
|
|
int count, int dest_index)
|
|
{
|
|
CustomData_interp(&source->edgeData, &dest->edgeData, src_indices,
|
|
weights, (float *)vert_weights, count, dest_index);
|
|
}
|
|
|
|
void DM_interp_tessface_data(DerivedMesh *source, DerivedMesh *dest,
|
|
int *src_indices,
|
|
float *weights, FaceVertWeight *vert_weights,
|
|
int count, int dest_index)
|
|
{
|
|
CustomData_interp(&source->faceData, &dest->faceData, src_indices,
|
|
weights, (float *)vert_weights, count, dest_index);
|
|
}
|
|
|
|
void DM_swap_tessface_data(DerivedMesh *dm, int index, const int *corner_indices)
|
|
{
|
|
CustomData_swap(&dm->faceData, index, corner_indices);
|
|
}
|
|
|
|
void DM_interp_loop_data(DerivedMesh *source, DerivedMesh *dest,
|
|
int *src_indices,
|
|
float *weights, int count, int dest_index)
|
|
{
|
|
CustomData_interp(&source->loopData, &dest->loopData, src_indices,
|
|
weights, NULL, count, dest_index);
|
|
}
|
|
|
|
void DM_interp_poly_data(DerivedMesh *source, DerivedMesh *dest,
|
|
int *src_indices,
|
|
float *weights, int count, int dest_index)
|
|
{
|
|
CustomData_interp(&source->polyData, &dest->polyData, src_indices,
|
|
weights, NULL, count, dest_index);
|
|
}
|
|
|
|
///
|
|
DerivedMesh *mesh_create_derived(Mesh *me, float (*vertCos)[3])
|
|
{
|
|
DerivedMesh *dm = CDDM_from_mesh(me);
|
|
|
|
if (!dm)
|
|
return NULL;
|
|
|
|
if (vertCos) {
|
|
CDDM_apply_vert_coords(dm, vertCos);
|
|
}
|
|
|
|
return dm;
|
|
}
|
|
|
|
DerivedMesh *mesh_create_derived_for_modifier(Scene *scene, Object *ob,
|
|
ModifierData *md, int build_shapekey_layers)
|
|
{
|
|
Mesh *me = ob->data;
|
|
ModifierTypeInfo *mti = modifierType_getInfo(md->type);
|
|
DerivedMesh *dm;
|
|
KeyBlock *kb;
|
|
|
|
md->scene = scene;
|
|
|
|
if (!(md->mode & eModifierMode_Realtime)) return NULL;
|
|
if (mti->isDisabled && mti->isDisabled(md, 0)) return NULL;
|
|
|
|
if (build_shapekey_layers && me->key && (kb = BLI_findlink(&me->key->block, ob->shapenr - 1))) {
|
|
BKE_key_convert_to_mesh(kb, me);
|
|
}
|
|
|
|
if (mti->type == eModifierTypeType_OnlyDeform) {
|
|
int numVerts;
|
|
float (*deformedVerts)[3] = BKE_mesh_vertexCos_get(me, &numVerts);
|
|
|
|
modwrap_deformVerts(md, ob, NULL, deformedVerts, numVerts, 0);
|
|
dm = mesh_create_derived(me, deformedVerts);
|
|
|
|
if (build_shapekey_layers)
|
|
add_shapekey_layers(dm, me, ob);
|
|
|
|
MEM_freeN(deformedVerts);
|
|
}
|
|
else {
|
|
DerivedMesh *tdm = mesh_create_derived(me, NULL);
|
|
|
|
if (build_shapekey_layers)
|
|
add_shapekey_layers(tdm, me, ob);
|
|
|
|
dm = modwrap_applyModifier(md, ob, tdm, 0);
|
|
ASSERT_IS_VALID_DM(dm);
|
|
|
|
if (tdm != dm) tdm->release(tdm);
|
|
}
|
|
|
|
return dm;
|
|
}
|
|
|
|
static float (*get_editbmesh_orco_verts(BMEditMesh *em))[3]
|
|
{
|
|
BMIter iter;
|
|
BMVert *eve;
|
|
float (*orco)[3];
|
|
int i;
|
|
|
|
/* these may not really be the orco's, but it's only for preview.
|
|
* could be solver better once, but isn't simple */
|
|
|
|
orco = MEM_mallocN(sizeof(float) * 3 * em->bm->totvert, "BMEditMesh Orco");
|
|
|
|
BM_ITER_MESH_INDEX (eve, &iter, em->bm, BM_VERTS_OF_MESH, i) {
|
|
copy_v3_v3(orco[i], eve->co);
|
|
}
|
|
|
|
return orco;
|
|
}
|
|
|
|
/* orco custom data layer */
|
|
static float (*get_orco_coords_dm(Object *ob, BMEditMesh *em, int layer, int *free))[3]
|
|
{
|
|
*free = 0;
|
|
|
|
if (layer == CD_ORCO) {
|
|
/* get original coordinates */
|
|
*free = 1;
|
|
|
|
if (em)
|
|
return get_editbmesh_orco_verts(em);
|
|
else
|
|
return BKE_mesh_orco_verts_get(ob);
|
|
}
|
|
else if (layer == CD_CLOTH_ORCO) {
|
|
/* apply shape key for cloth, this should really be solved
|
|
* by a more flexible customdata system, but not simple */
|
|
if (!em) {
|
|
ClothModifierData *clmd = (ClothModifierData *)modifiers_findByType(ob, eModifierType_Cloth);
|
|
KeyBlock *kb = BKE_keyblock_from_key(BKE_key_from_object(ob), clmd->sim_parms->shapekey_rest);
|
|
|
|
if (kb->data)
|
|
return kb->data;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static DerivedMesh *create_orco_dm(Object *ob, Mesh *me, BMEditMesh *em, int layer)
|
|
{
|
|
DerivedMesh *dm;
|
|
float (*orco)[3];
|
|
int free;
|
|
|
|
if (em) dm = CDDM_from_editbmesh(em, false, false);
|
|
else dm = CDDM_from_mesh(me);
|
|
|
|
orco = get_orco_coords_dm(ob, em, layer, &free);
|
|
|
|
if (orco) {
|
|
CDDM_apply_vert_coords(dm, orco);
|
|
if (free) MEM_freeN(orco);
|
|
}
|
|
|
|
return dm;
|
|
}
|
|
|
|
static void add_orco_dm(Object *ob, BMEditMesh *em, DerivedMesh *dm,
|
|
DerivedMesh *orcodm, int layer)
|
|
{
|
|
float (*orco)[3], (*layerorco)[3];
|
|
int totvert, free;
|
|
|
|
totvert = dm->getNumVerts(dm);
|
|
|
|
if (orcodm) {
|
|
orco = MEM_callocN(sizeof(float[3]) * totvert, "dm orco");
|
|
free = 1;
|
|
|
|
if (orcodm->getNumVerts(orcodm) == totvert)
|
|
orcodm->getVertCos(orcodm, orco);
|
|
else
|
|
dm->getVertCos(dm, orco);
|
|
}
|
|
else
|
|
orco = get_orco_coords_dm(ob, em, layer, &free);
|
|
|
|
if (orco) {
|
|
if (layer == CD_ORCO)
|
|
BKE_mesh_orco_verts_transform(ob->data, orco, totvert, 0);
|
|
|
|
if (!(layerorco = DM_get_vert_data_layer(dm, layer))) {
|
|
DM_add_vert_layer(dm, layer, CD_CALLOC, NULL);
|
|
layerorco = DM_get_vert_data_layer(dm, layer);
|
|
}
|
|
|
|
memcpy(layerorco, orco, sizeof(float) * 3 * totvert);
|
|
if (free) MEM_freeN(orco);
|
|
}
|
|
}
|
|
|
|
/* weight paint colors */
|
|
|
|
/* Something of a hack, at the moment deal with weightpaint
|
|
* by tucking into colors during modifier eval, only in
|
|
* wpaint mode. Works ok but need to make sure recalc
|
|
* happens on enter/exit wpaint.
|
|
*/
|
|
|
|
void weight_to_rgb(float r_rgb[3], const float weight)
|
|
{
|
|
const float blend = ((weight / 2.0f) + 0.5f);
|
|
|
|
if (weight <= 0.25f) { /* blue->cyan */
|
|
r_rgb[0] = 0.0f;
|
|
r_rgb[1] = blend * weight * 4.0f;
|
|
r_rgb[2] = blend;
|
|
}
|
|
else if (weight <= 0.50f) { /* cyan->green */
|
|
r_rgb[0] = 0.0f;
|
|
r_rgb[1] = blend;
|
|
r_rgb[2] = blend * (1.0f - ((weight - 0.25f) * 4.0f));
|
|
}
|
|
else if (weight <= 0.75f) { /* green->yellow */
|
|
r_rgb[0] = blend * ((weight - 0.50f) * 4.0f);
|
|
r_rgb[1] = blend;
|
|
r_rgb[2] = 0.0f;
|
|
}
|
|
else if (weight <= 1.0f) { /* yellow->red */
|
|
r_rgb[0] = blend;
|
|
r_rgb[1] = blend * (1.0f - ((weight - 0.75f) * 4.0f));
|
|
r_rgb[2] = 0.0f;
|
|
}
|
|
else {
|
|
/* exceptional value, unclamped or nan,
|
|
* avoid uninitialized memory use */
|
|
r_rgb[0] = 1.0f;
|
|
r_rgb[1] = 0.0f;
|
|
r_rgb[2] = 1.0f;
|
|
}
|
|
}
|
|
|
|
/* draw_flag's for calc_weightpaint_vert_color */
|
|
enum {
|
|
/* only one of these should be set, keep first (for easy bit-shifting) */
|
|
CALC_WP_GROUP_USER_ACTIVE = (1 << 1),
|
|
CALC_WP_GROUP_USER_ALL = (1 << 2),
|
|
|
|
CALC_WP_MULTIPAINT = (1 << 3),
|
|
CALC_WP_AUTO_NORMALIZE = (1 << 4)
|
|
};
|
|
|
|
typedef struct DMWeightColorInfo {
|
|
const ColorBand *coba;
|
|
const char *alert_color;
|
|
} DMWeightColorInfo;
|
|
|
|
|
|
static int dm_drawflag_calc(ToolSettings *ts)
|
|
{
|
|
return ((ts->multipaint ? CALC_WP_MULTIPAINT :
|
|
/* CALC_WP_GROUP_USER_ACTIVE or CALC_WP_GROUP_USER_ALL*/
|
|
(1 << ts->weightuser)) |
|
|
(ts->auto_normalize ? CALC_WP_AUTO_NORMALIZE : 0));
|
|
}
|
|
|
|
static void weightpaint_color(unsigned char r_col[4], DMWeightColorInfo *dm_wcinfo, const float input)
|
|
{
|
|
float colf[4];
|
|
|
|
if (dm_wcinfo && dm_wcinfo->coba) {
|
|
do_colorband(dm_wcinfo->coba, input, colf);
|
|
}
|
|
else {
|
|
weight_to_rgb(colf, input);
|
|
}
|
|
|
|
/* don't use rgb_float_to_uchar() here because
|
|
* the resulting float doesn't need 0-1 clamp check */
|
|
r_col[0] = (unsigned char)(colf[0] * 255.0f);
|
|
r_col[1] = (unsigned char)(colf[1] * 255.0f);
|
|
r_col[2] = (unsigned char)(colf[2] * 255.0f);
|
|
r_col[3] = 255;
|
|
}
|
|
|
|
|
|
static void calc_weightpaint_vert_color(
|
|
unsigned char r_col[4],
|
|
MDeformVert *dv,
|
|
DMWeightColorInfo *dm_wcinfo,
|
|
const int defbase_tot, const int defbase_act,
|
|
const bool *defbase_sel, const int defbase_sel_tot,
|
|
const int draw_flag)
|
|
{
|
|
float input = 0.0f;
|
|
|
|
bool show_alert_color = false;
|
|
|
|
if ((defbase_sel_tot > 1) && (draw_flag & CALC_WP_MULTIPAINT)) {
|
|
/* Multi-Paint feature */
|
|
bool was_a_nonzero = false;
|
|
unsigned int i;
|
|
|
|
MDeformWeight *dw = dv->dw;
|
|
for (i = dv->totweight; i != 0; i--, dw++) {
|
|
/* in multipaint, get the average if auto normalize is inactive
|
|
* get the sum if it is active */
|
|
if (dw->def_nr < defbase_tot) {
|
|
if (defbase_sel[dw->def_nr]) {
|
|
if (dw->weight) {
|
|
input += dw->weight;
|
|
was_a_nonzero = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* make it black if the selected groups have no weight on a vertex */
|
|
if (was_a_nonzero == false) {
|
|
show_alert_color = true;
|
|
}
|
|
else if ((draw_flag & CALC_WP_AUTO_NORMALIZE) == false) {
|
|
input /= defbase_sel_tot; /* get the average */
|
|
}
|
|
}
|
|
else {
|
|
/* default, non tricky behavior */
|
|
input = defvert_find_weight(dv, defbase_act);
|
|
|
|
if (draw_flag & CALC_WP_GROUP_USER_ACTIVE) {
|
|
if (input == 0.0f) {
|
|
show_alert_color = true;
|
|
}
|
|
}
|
|
else if (draw_flag & CALC_WP_GROUP_USER_ALL) {
|
|
if (input == 0.0f) {
|
|
show_alert_color = defvert_is_weight_zero(dv, defbase_tot);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (show_alert_color == false) {
|
|
CLAMP(input, 0.0f, 1.0f);
|
|
weightpaint_color(r_col, dm_wcinfo, input);
|
|
}
|
|
else {
|
|
copy_v3_v3_char((char *)r_col, dm_wcinfo->alert_color);
|
|
r_col[3] = 255;
|
|
}
|
|
}
|
|
|
|
static DMWeightColorInfo G_dm_wcinfo;
|
|
|
|
void vDM_ColorBand_store(const ColorBand *coba, const char alert_color[4])
|
|
{
|
|
G_dm_wcinfo.coba = coba;
|
|
G_dm_wcinfo.alert_color = alert_color;
|
|
}
|
|
|
|
/* return an array of vertex weight colors, caller must free.
|
|
*
|
|
* note that we could save some memory and allocate RGB only but then we'd need to
|
|
* re-arrange the colors when copying to the face since MCol has odd ordering,
|
|
* so leave this as is - campbell */
|
|
static void calc_weightpaint_vert_array(Object *ob, DerivedMesh *dm, int const draw_flag, DMWeightColorInfo *dm_wcinfo,
|
|
unsigned char (*r_wtcol_v)[4])
|
|
{
|
|
MDeformVert *dv = DM_get_vert_data_layer(dm, CD_MDEFORMVERT);
|
|
int numVerts = dm->getNumVerts(dm);
|
|
|
|
if (dv) {
|
|
unsigned char (*wc)[4] = r_wtcol_v;
|
|
unsigned int i;
|
|
|
|
/* variables for multipaint */
|
|
const int defbase_tot = BLI_countlist(&ob->defbase);
|
|
const int defbase_act = ob->actdef - 1;
|
|
|
|
int defbase_sel_tot = 0;
|
|
bool *defbase_sel = NULL;
|
|
|
|
if (draw_flag & CALC_WP_MULTIPAINT) {
|
|
defbase_sel = BKE_objdef_selected_get(ob, defbase_tot, &defbase_sel_tot);
|
|
}
|
|
|
|
for (i = numVerts; i != 0; i--, wc++, dv++) {
|
|
calc_weightpaint_vert_color((unsigned char *)wc, dv, dm_wcinfo, defbase_tot, defbase_act, defbase_sel, defbase_sel_tot, draw_flag);
|
|
}
|
|
|
|
if (defbase_sel) {
|
|
MEM_freeN(defbase_sel);
|
|
}
|
|
}
|
|
else {
|
|
int col_i;
|
|
if (draw_flag & (CALC_WP_GROUP_USER_ACTIVE | CALC_WP_GROUP_USER_ALL)) {
|
|
col_i = 0;
|
|
}
|
|
else {
|
|
weightpaint_color((unsigned char *)&col_i, dm_wcinfo, 0.0f);
|
|
}
|
|
fill_vn_i((int *)r_wtcol_v, numVerts, col_i);
|
|
}
|
|
}
|
|
|
|
/* return an array of vertex weight colors from given weights, caller must free.
|
|
*
|
|
* note that we could save some memory and allocate RGB only but then we'd need to
|
|
* re-arrange the colors when copying to the face since MCol has odd ordering,
|
|
* so leave this as is - campbell */
|
|
static void calc_colors_from_weights_array(const int num, const float *weights,
|
|
unsigned char (*r_wtcol_v)[4])
|
|
{
|
|
unsigned char (*wc)[4] = r_wtcol_v;
|
|
int i;
|
|
|
|
for (i = 0; i < num; i++, wc++, weights++) {
|
|
weightpaint_color((unsigned char *)wc, NULL, *weights);
|
|
}
|
|
}
|
|
|
|
void DM_update_weight_mcol(Object *ob, DerivedMesh *dm, int const draw_flag,
|
|
float *weights, int num, const int *indices)
|
|
{
|
|
BMEditMesh *em = (dm->type == DM_TYPE_EDITBMESH) ? BKE_editmesh_from_object(ob) : NULL;
|
|
unsigned char (*wtcol_v)[4];
|
|
int numVerts = dm->getNumVerts(dm);
|
|
int i;
|
|
|
|
if (em) {
|
|
BKE_editmesh_color_ensure(em, BM_VERT);
|
|
wtcol_v = em->derivedVertColor;
|
|
}
|
|
else {
|
|
wtcol_v = MEM_mallocN(sizeof(*wtcol_v) * numVerts, __func__);
|
|
}
|
|
|
|
/* Weights are given by caller. */
|
|
if (weights) {
|
|
float *w = weights;
|
|
/* If indices is not NULL, it means we do not have weights for all vertices,
|
|
* so we must create them (and set them to zero)... */
|
|
if (indices) {
|
|
w = MEM_callocN(sizeof(float) * numVerts, "Temp weight array DM_update_weight_mcol");
|
|
i = num;
|
|
while (i--)
|
|
w[indices[i]] = weights[i];
|
|
}
|
|
|
|
/* Convert float weights to colors. */
|
|
calc_colors_from_weights_array(numVerts, w, wtcol_v);
|
|
|
|
if (indices)
|
|
MEM_freeN(w);
|
|
}
|
|
else {
|
|
/* No weights given, take them from active vgroup(s). */
|
|
calc_weightpaint_vert_array(ob, dm, draw_flag, &G_dm_wcinfo, wtcol_v);
|
|
}
|
|
|
|
if (dm->type == DM_TYPE_EDITBMESH) {
|
|
/* editmesh draw function checks specifically for this */
|
|
}
|
|
else {
|
|
const int dm_totpoly = dm->getNumPolys(dm);
|
|
const int dm_totloop = dm->getNumLoops(dm);
|
|
unsigned char(*wtcol_l)[4] = CustomData_get_layer(dm->getLoopDataLayout(dm), CD_PREVIEW_MLOOPCOL);
|
|
MLoop *mloop = dm->getLoopArray(dm), *ml;
|
|
MPoly *mp = dm->getPolyArray(dm);
|
|
int l_index;
|
|
int j;
|
|
|
|
/* now add to loops, so the data can be passed through the modifier stack */
|
|
/* If no CD_PREVIEW_MLOOPCOL existed yet, we have to add a new one! */
|
|
if (!wtcol_l) {
|
|
wtcol_l = MEM_mallocN(sizeof(*wtcol_l) * dm_totloop, __func__);
|
|
CustomData_add_layer(&dm->loopData, CD_PREVIEW_MLOOPCOL, CD_ASSIGN, wtcol_l, dm_totloop);
|
|
}
|
|
|
|
l_index = 0;
|
|
for (i = 0; i < dm_totpoly; i++, mp++) {
|
|
ml = mloop + mp->loopstart;
|
|
|
|
for (j = 0; j < mp->totloop; j++, ml++, l_index++) {
|
|
copy_v4_v4_char((char *)&wtcol_l[l_index],
|
|
(char *)&wtcol_v[ml->v]);
|
|
}
|
|
}
|
|
MEM_freeN(wtcol_v);
|
|
|
|
dm->dirty |= DM_DIRTY_TESS_CDLAYERS;
|
|
}
|
|
}
|
|
|
|
static void DM_update_statvis_color(Scene *scene, Object *ob, DerivedMesh *dm)
|
|
{
|
|
BMEditMesh *em = BKE_editmesh_from_object(ob);
|
|
|
|
BKE_editmesh_statvis_calc(em, dm, &scene->toolsettings->statvis);
|
|
}
|
|
|
|
static void shapekey_layers_to_keyblocks(DerivedMesh *dm, Mesh *me, int actshape_uid)
|
|
{
|
|
KeyBlock *kb;
|
|
int i, j, tot;
|
|
|
|
if (!me->key)
|
|
return;
|
|
|
|
tot = CustomData_number_of_layers(&dm->vertData, CD_SHAPEKEY);
|
|
for (i = 0; i < tot; i++) {
|
|
CustomDataLayer *layer = &dm->vertData.layers[CustomData_get_layer_index_n(&dm->vertData, CD_SHAPEKEY, i)];
|
|
float (*cos)[3], (*kbcos)[3];
|
|
|
|
for (kb = me->key->block.first; kb; kb = kb->next) {
|
|
if (kb->uid == layer->uid)
|
|
break;
|
|
}
|
|
|
|
if (!kb) {
|
|
kb = BKE_keyblock_add(me->key, layer->name);
|
|
kb->uid = layer->uid;
|
|
}
|
|
|
|
if (kb->data)
|
|
MEM_freeN(kb->data);
|
|
|
|
cos = CustomData_get_layer_n(&dm->vertData, CD_SHAPEKEY, i);
|
|
kb->totelem = dm->numVertData;
|
|
|
|
kb->data = kbcos = MEM_mallocN(sizeof(float) * 3 * kb->totelem, "kbcos DerivedMesh.c");
|
|
if (kb->uid == actshape_uid) {
|
|
MVert *mvert = dm->getVertArray(dm);
|
|
|
|
for (j = 0; j < dm->numVertData; j++, kbcos++, mvert++) {
|
|
copy_v3_v3(*kbcos, mvert->co);
|
|
}
|
|
}
|
|
else {
|
|
for (j = 0; j < kb->totelem; j++, cos++, kbcos++) {
|
|
copy_v3_v3(*kbcos, *cos);
|
|
}
|
|
}
|
|
}
|
|
|
|
for (kb = me->key->block.first; kb; kb = kb->next) {
|
|
if (kb->totelem != dm->numVertData) {
|
|
if (kb->data)
|
|
MEM_freeN(kb->data);
|
|
|
|
kb->totelem = dm->numVertData;
|
|
kb->data = MEM_callocN(sizeof(float) * 3 * kb->totelem, "kb->data derivedmesh.c");
|
|
fprintf(stderr, "%s: lost a shapekey layer: '%s'! (bmesh internal error)\n", __func__, kb->name);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void add_shapekey_layers(DerivedMesh *dm, Mesh *me, Object *UNUSED(ob))
|
|
{
|
|
KeyBlock *kb;
|
|
Key *key = me->key;
|
|
int i;
|
|
const size_t shape_alloc_len = sizeof(float) * 3 * me->totvert;
|
|
|
|
if (!me->key)
|
|
return;
|
|
|
|
/* ensure we can use mesh vertex count for derived mesh custom data */
|
|
if (me->totvert != dm->getNumVerts(dm)) {
|
|
fprintf(stderr,
|
|
"%s: vertex size mismatch (mesh/dm) '%s' (%d != %d)\n",
|
|
__func__, me->id.name + 2, me->totvert, dm->getNumVerts(dm));
|
|
return;
|
|
}
|
|
|
|
for (i = 0, kb = key->block.first; kb; kb = kb->next, i++) {
|
|
int ci;
|
|
float *array;
|
|
|
|
if (me->totvert != kb->totelem) {
|
|
fprintf(stderr,
|
|
"%s: vertex size mismatch (Mesh '%s':%d != KeyBlock '%s':%d)\n",
|
|
__func__, me->id.name + 2, me->totvert, kb->name, kb->totelem);
|
|
array = MEM_callocN(shape_alloc_len, __func__);
|
|
}
|
|
else {
|
|
array = MEM_mallocN(shape_alloc_len, __func__);
|
|
memcpy(array, kb->data, shape_alloc_len);
|
|
}
|
|
|
|
CustomData_add_layer_named(&dm->vertData, CD_SHAPEKEY, CD_ASSIGN, array, dm->numVertData, kb->name);
|
|
ci = CustomData_get_layer_index_n(&dm->vertData, CD_SHAPEKEY, i);
|
|
|
|
dm->vertData.layers[ci].uid = kb->uid;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Called after calculating all modifiers.
|
|
*
|
|
* \note tessfaces should already be calculated.
|
|
*/
|
|
static void dm_ensure_display_normals(DerivedMesh *dm)
|
|
{
|
|
/* this is for final output only, up until now this layer should be missing */
|
|
BLI_assert(CustomData_has_layer(&dm->polyData, CD_NORMAL) == false);
|
|
|
|
if ((dm->type == DM_TYPE_CDDM) &&
|
|
((dm->dirty & DM_DIRTY_NORMALS) || CustomData_has_layer(&dm->faceData, CD_NORMAL) == false))
|
|
{
|
|
/* if normals are dirty we want to calculate vertex normals too */
|
|
CDDM_calc_normals_mapping_ex(dm, (dm->dirty & DM_DIRTY_NORMALS) ? false : true);
|
|
}
|
|
}
|
|
/* new value for useDeform -1 (hack for the gameengine):
|
|
* - apply only the modifier stack of the object, skipping the virtual modifiers,
|
|
* - don't apply the key
|
|
* - apply deform modifiers and input vertexco
|
|
*/
|
|
static void mesh_calc_modifiers(Scene *scene, Object *ob, float (*inputVertexCos)[3],
|
|
DerivedMesh **deform_r, DerivedMesh **final_r,
|
|
int useRenderParams, int useDeform,
|
|
int needMapping, CustomDataMask dataMask,
|
|
int index, int useCache, int build_shapekey_layers)
|
|
{
|
|
Mesh *me = ob->data;
|
|
ModifierData *firstmd, *md, *previewmd = NULL;
|
|
CDMaskLink *datamasks, *curr;
|
|
/* XXX Always copying POLYINDEX, else tessellated data are no more valid! */
|
|
CustomDataMask mask, nextmask, previewmask = 0, append_mask = CD_MASK_ORIGINDEX;
|
|
float (*deformedVerts)[3] = NULL;
|
|
DerivedMesh *dm = NULL, *orcodm, *clothorcodm, *finaldm;
|
|
int numVerts = me->totvert;
|
|
int required_mode;
|
|
bool isPrevDeform = false;
|
|
const bool skipVirtualArmature = (useDeform < 0);
|
|
MultiresModifierData *mmd = get_multires_modifier(scene, ob, 0);
|
|
const bool has_multires = (mmd && mmd->sculptlvl != 0);
|
|
bool multires_applied = false;
|
|
const bool sculpt_mode = ob->mode & OB_MODE_SCULPT && ob->sculpt;
|
|
const bool sculpt_dyntopo = (sculpt_mode && ob->sculpt->bm);
|
|
const int draw_flag = dm_drawflag_calc(scene->toolsettings);
|
|
|
|
/* Generic preview only in object mode! */
|
|
const bool do_mod_mcol = (ob->mode == OB_MODE_OBJECT);
|
|
#if 0 /* XXX Will re-enable this when we have global mod stack options. */
|
|
const bool do_final_wmcol = (scene->toolsettings->weights_preview == WP_WPREVIEW_FINAL) && do_wmcol;
|
|
#endif
|
|
const bool do_final_wmcol = false;
|
|
const bool do_init_wmcol = ((dataMask & CD_MASK_PREVIEW_MCOL) && (ob->mode & OB_MODE_WEIGHT_PAINT) && !do_final_wmcol);
|
|
/* XXX Same as above... For now, only weights preview in WPaint mode. */
|
|
const bool do_mod_wmcol = do_init_wmcol;
|
|
|
|
const bool do_loop_normals = (me->flag & ME_AUTOSMOOTH);
|
|
const float loop_normals_split_angle = me->smoothresh;
|
|
|
|
VirtualModifierData virtualModifierData;
|
|
|
|
ModifierApplyFlag app_flags = useRenderParams ? MOD_APPLY_RENDER : 0;
|
|
ModifierApplyFlag deform_app_flags = app_flags;
|
|
if (useCache)
|
|
app_flags |= MOD_APPLY_USECACHE;
|
|
if (useDeform)
|
|
deform_app_flags |= MOD_APPLY_USECACHE;
|
|
|
|
if (!skipVirtualArmature) {
|
|
firstmd = modifiers_getVirtualModifierList(ob, &virtualModifierData);
|
|
}
|
|
else {
|
|
/* game engine exception */
|
|
firstmd = ob->modifiers.first;
|
|
if (firstmd && firstmd->type == eModifierType_Armature)
|
|
firstmd = firstmd->next;
|
|
}
|
|
|
|
md = firstmd;
|
|
|
|
modifiers_clearErrors(ob);
|
|
|
|
if (useRenderParams) required_mode = eModifierMode_Render;
|
|
else required_mode = eModifierMode_Realtime;
|
|
|
|
if (do_mod_wmcol || do_mod_mcol) {
|
|
/* Find the last active modifier generating a preview, or NULL if none. */
|
|
/* XXX Currently, DPaint modifier just ignores this.
|
|
* Needs a stupid hack...
|
|
* The whole "modifier preview" thing has to be (re?)designed, anyway! */
|
|
previewmd = modifiers_getLastPreview(scene, md, required_mode);
|
|
|
|
/* even if the modifier doesn't need the data, to make a preview it may */
|
|
if (previewmd) {
|
|
if (do_mod_wmcol) {
|
|
previewmask = CD_MASK_MDEFORMVERT;
|
|
}
|
|
}
|
|
}
|
|
|
|
datamasks = modifiers_calcDataMasks(scene, ob, md, dataMask, required_mode, previewmd, previewmask);
|
|
curr = datamasks;
|
|
|
|
if (deform_r) *deform_r = NULL;
|
|
*final_r = NULL;
|
|
|
|
if (useDeform) {
|
|
if (inputVertexCos)
|
|
deformedVerts = inputVertexCos;
|
|
|
|
/* Apply all leading deforming modifiers */
|
|
for (; md; md = md->next, curr = curr->next) {
|
|
ModifierTypeInfo *mti = modifierType_getInfo(md->type);
|
|
|
|
md->scene = scene;
|
|
|
|
if (!modifier_isEnabled(scene, md, required_mode)) continue;
|
|
if (useDeform < 0 && mti->dependsOnTime && mti->dependsOnTime(md)) continue;
|
|
|
|
if (mti->type == eModifierTypeType_OnlyDeform && !sculpt_dyntopo) {
|
|
if (!deformedVerts)
|
|
deformedVerts = BKE_mesh_vertexCos_get(me, &numVerts);
|
|
|
|
modwrap_deformVerts(md, ob, NULL, deformedVerts, numVerts, deform_app_flags);
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
|
|
/* grab modifiers until index i */
|
|
if ((index >= 0) && (BLI_findindex(&ob->modifiers, md) >= index))
|
|
break;
|
|
}
|
|
|
|
/* Result of all leading deforming modifiers is cached for
|
|
* places that wish to use the original mesh but with deformed
|
|
* coordinates (vpaint, etc.)
|
|
*/
|
|
if (deform_r) {
|
|
*deform_r = CDDM_from_mesh(me);
|
|
|
|
if (build_shapekey_layers)
|
|
add_shapekey_layers(dm, me, ob);
|
|
|
|
if (deformedVerts) {
|
|
CDDM_apply_vert_coords(*deform_r, deformedVerts);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
/* default behavior for meshes */
|
|
if (inputVertexCos)
|
|
deformedVerts = inputVertexCos;
|
|
else
|
|
deformedVerts = BKE_mesh_vertexCos_get(me, &numVerts);
|
|
}
|
|
|
|
|
|
/* Now apply all remaining modifiers. If useDeform is off then skip
|
|
* OnlyDeform ones.
|
|
*/
|
|
dm = NULL;
|
|
orcodm = NULL;
|
|
clothorcodm = NULL;
|
|
|
|
for (; md; md = md->next, curr = curr->next) {
|
|
ModifierTypeInfo *mti = modifierType_getInfo(md->type);
|
|
|
|
md->scene = scene;
|
|
|
|
if (!modifier_isEnabled(scene, md, required_mode)) continue;
|
|
if (mti->type == eModifierTypeType_OnlyDeform && !useDeform) continue;
|
|
if ((mti->flags & eModifierTypeFlag_RequiresOriginalData) && dm) {
|
|
modifier_setError(md, "Modifier requires original data, bad stack position");
|
|
continue;
|
|
}
|
|
if (sculpt_mode &&
|
|
(!has_multires || multires_applied || sculpt_dyntopo))
|
|
{
|
|
bool unsupported = false;
|
|
|
|
if (md->type == eModifierType_Multires && ((MultiresModifierData *)md)->sculptlvl == 0) {
|
|
/* If multires is on level 0 skip it silently without warning message. */
|
|
if (!sculpt_dyntopo)
|
|
continue;
|
|
}
|
|
|
|
if (sculpt_dyntopo && !useRenderParams)
|
|
unsupported = true;
|
|
|
|
if (scene->toolsettings->sculpt->flags & SCULPT_ONLY_DEFORM)
|
|
unsupported |= (mti->type != eModifierTypeType_OnlyDeform);
|
|
|
|
unsupported |= multires_applied;
|
|
|
|
if (unsupported) {
|
|
if (sculpt_dyntopo)
|
|
modifier_setError(md, "Not supported in dyntopo");
|
|
else
|
|
modifier_setError(md, "Not supported in sculpt mode");
|
|
continue;
|
|
}
|
|
else {
|
|
modifier_setError(md, "Hide, Mask and optimized display disabled");
|
|
}
|
|
}
|
|
if (needMapping && !modifier_supportsMapping(md)) continue;
|
|
if (useDeform < 0 && mti->dependsOnTime && mti->dependsOnTime(md)) continue;
|
|
|
|
/* add an orco layer if needed by this modifier */
|
|
if (mti->requiredDataMask)
|
|
mask = mti->requiredDataMask(ob, md);
|
|
else
|
|
mask = 0;
|
|
|
|
if (dm && (mask & CD_MASK_ORCO))
|
|
add_orco_dm(ob, NULL, dm, orcodm, CD_ORCO);
|
|
|
|
/* How to apply modifier depends on (a) what we already have as
|
|
* a result of previous modifiers (could be a DerivedMesh or just
|
|
* deformed vertices) and (b) what type the modifier is.
|
|
*/
|
|
|
|
if (mti->type == eModifierTypeType_OnlyDeform) {
|
|
/* No existing verts to deform, need to build them. */
|
|
if (!deformedVerts) {
|
|
if (dm) {
|
|
/* Deforming a derived mesh, read the vertex locations
|
|
* out of the mesh and deform them. Once done with this
|
|
* run of deformers verts will be written back.
|
|
*/
|
|
numVerts = dm->getNumVerts(dm);
|
|
deformedVerts =
|
|
MEM_mallocN(sizeof(*deformedVerts) * numVerts, "dfmv");
|
|
dm->getVertCos(dm, deformedVerts);
|
|
}
|
|
else {
|
|
deformedVerts = BKE_mesh_vertexCos_get(me, &numVerts);
|
|
}
|
|
}
|
|
|
|
/* if this is not the last modifier in the stack then recalculate the normals
|
|
* to avoid giving bogus normals to the next modifier see: [#23673] */
|
|
if (isPrevDeform && mti->dependsOnNormals && mti->dependsOnNormals(md)) {
|
|
/* XXX, this covers bug #23673, but we may need normal calc for other types */
|
|
if (dm && dm->type == DM_TYPE_CDDM) {
|
|
CDDM_apply_vert_coords(dm, deformedVerts);
|
|
}
|
|
}
|
|
|
|
modwrap_deformVerts(md, ob, dm, deformedVerts, numVerts, deform_app_flags);
|
|
}
|
|
else {
|
|
DerivedMesh *ndm;
|
|
|
|
/* determine which data layers are needed by following modifiers */
|
|
if (curr->next)
|
|
nextmask = curr->next->mask;
|
|
else
|
|
nextmask = dataMask;
|
|
|
|
/* apply vertex coordinates or build a DerivedMesh as necessary */
|
|
if (dm) {
|
|
if (deformedVerts) {
|
|
DerivedMesh *tdm = CDDM_copy(dm);
|
|
dm->release(dm);
|
|
dm = tdm;
|
|
|
|
CDDM_apply_vert_coords(dm, deformedVerts);
|
|
}
|
|
}
|
|
else {
|
|
dm = CDDM_from_mesh(me);
|
|
ASSERT_IS_VALID_DM(dm);
|
|
|
|
if (build_shapekey_layers)
|
|
add_shapekey_layers(dm, me, ob);
|
|
|
|
if (deformedVerts) {
|
|
CDDM_apply_vert_coords(dm, deformedVerts);
|
|
}
|
|
|
|
if (do_init_wmcol)
|
|
DM_update_weight_mcol(ob, dm, draw_flag, NULL, 0, NULL);
|
|
|
|
/* Constructive modifiers need to have an origindex
|
|
* otherwise they wont have anywhere to copy the data from.
|
|
*
|
|
* Also create ORIGINDEX data if any of the following modifiers
|
|
* requests it, this way Mirror, Solidify etc will keep ORIGINDEX
|
|
* data by using generic DM_copy_vert_data() functions.
|
|
*/
|
|
if (needMapping || (nextmask & CD_MASK_ORIGINDEX)) {
|
|
/* calc */
|
|
DM_add_vert_layer(dm, CD_ORIGINDEX, CD_CALLOC, NULL);
|
|
DM_add_edge_layer(dm, CD_ORIGINDEX, CD_CALLOC, NULL);
|
|
DM_add_poly_layer(dm, CD_ORIGINDEX, CD_CALLOC, NULL);
|
|
|
|
#pragma omp parallel sections if (dm->numVertData + dm->numEdgeData + dm->numPolyData >= BKE_MESH_OMP_LIMIT)
|
|
{
|
|
#pragma omp section
|
|
{ range_vn_i(DM_get_vert_data_layer(dm, CD_ORIGINDEX), dm->numVertData, 0); }
|
|
#pragma omp section
|
|
{ range_vn_i(DM_get_edge_data_layer(dm, CD_ORIGINDEX), dm->numEdgeData, 0); }
|
|
#pragma omp section
|
|
{ range_vn_i(DM_get_poly_data_layer(dm, CD_ORIGINDEX), dm->numPolyData, 0); }
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* set the DerivedMesh to only copy needed data */
|
|
mask = curr->mask;
|
|
/* needMapping check here fixes bug [#28112], otherwise its
|
|
* possible that it wont be copied */
|
|
mask |= append_mask;
|
|
DM_set_only_copy(dm, mask | (needMapping ? CD_MASK_ORIGINDEX : 0));
|
|
|
|
/* add cloth rest shape key if need */
|
|
if (mask & CD_MASK_CLOTH_ORCO)
|
|
add_orco_dm(ob, NULL, dm, clothorcodm, CD_CLOTH_ORCO);
|
|
|
|
/* add an origspace layer if needed */
|
|
if ((curr->mask) & CD_MASK_ORIGSPACE_MLOOP) {
|
|
if (!CustomData_has_layer(&dm->loopData, CD_ORIGSPACE_MLOOP)) {
|
|
DM_add_loop_layer(dm, CD_ORIGSPACE_MLOOP, CD_CALLOC, NULL);
|
|
DM_init_origspace(dm);
|
|
}
|
|
}
|
|
|
|
ndm = modwrap_applyModifier(md, ob, dm, app_flags);
|
|
ASSERT_IS_VALID_DM(ndm);
|
|
|
|
if (ndm) {
|
|
/* if the modifier returned a new dm, release the old one */
|
|
if (dm && dm != ndm) dm->release(dm);
|
|
|
|
dm = ndm;
|
|
|
|
if (deformedVerts) {
|
|
if (deformedVerts != inputVertexCos)
|
|
MEM_freeN(deformedVerts);
|
|
|
|
deformedVerts = NULL;
|
|
}
|
|
}
|
|
|
|
/* create an orco derivedmesh in parallel */
|
|
if (nextmask & CD_MASK_ORCO) {
|
|
if (!orcodm)
|
|
orcodm = create_orco_dm(ob, me, NULL, CD_ORCO);
|
|
|
|
nextmask &= ~CD_MASK_ORCO;
|
|
DM_set_only_copy(orcodm, nextmask | CD_MASK_ORIGINDEX |
|
|
(mti->requiredDataMask ?
|
|
mti->requiredDataMask(ob, md) : 0));
|
|
|
|
ndm = modwrap_applyModifier(md, ob, orcodm, (app_flags & ~MOD_APPLY_USECACHE) | MOD_APPLY_ORCO);
|
|
ASSERT_IS_VALID_DM(ndm);
|
|
|
|
if (ndm) {
|
|
/* if the modifier returned a new dm, release the old one */
|
|
if (orcodm && orcodm != ndm) orcodm->release(orcodm);
|
|
orcodm = ndm;
|
|
}
|
|
}
|
|
|
|
/* create cloth orco derivedmesh in parallel */
|
|
if (nextmask & CD_MASK_CLOTH_ORCO) {
|
|
if (!clothorcodm)
|
|
clothorcodm = create_orco_dm(ob, me, NULL, CD_CLOTH_ORCO);
|
|
|
|
nextmask &= ~CD_MASK_CLOTH_ORCO;
|
|
DM_set_only_copy(clothorcodm, nextmask | CD_MASK_ORIGINDEX);
|
|
|
|
ndm = modwrap_applyModifier(md, ob, clothorcodm, (app_flags & ~MOD_APPLY_USECACHE) | MOD_APPLY_ORCO);
|
|
ASSERT_IS_VALID_DM(ndm);
|
|
|
|
if (ndm) {
|
|
/* if the modifier returned a new dm, release the old one */
|
|
if (clothorcodm && clothorcodm != ndm) clothorcodm->release(clothorcodm);
|
|
clothorcodm = ndm;
|
|
}
|
|
}
|
|
|
|
/* in case of dynamic paint, make sure preview mask remains for following modifiers */
|
|
/* XXX Temp and hackish solution! */
|
|
if (md->type == eModifierType_DynamicPaint)
|
|
append_mask |= CD_MASK_PREVIEW_MLOOPCOL;
|
|
/* In case of active preview modifier, make sure preview mask remains for following modifiers. */
|
|
else if ((md == previewmd) && (do_mod_wmcol)) {
|
|
DM_update_weight_mcol(ob, dm, draw_flag, NULL, 0, NULL);
|
|
append_mask |= CD_MASK_PREVIEW_MLOOPCOL;
|
|
}
|
|
}
|
|
|
|
isPrevDeform = (mti->type == eModifierTypeType_OnlyDeform);
|
|
|
|
/* grab modifiers until index i */
|
|
if ((index >= 0) && (BLI_findindex(&ob->modifiers, md) >= index))
|
|
break;
|
|
|
|
if (sculpt_mode && md->type == eModifierType_Multires) {
|
|
multires_applied = true;
|
|
}
|
|
}
|
|
|
|
for (md = firstmd; md; md = md->next)
|
|
modifier_freeTemporaryData(md);
|
|
|
|
/* Yay, we are done. If we have a DerivedMesh and deformed vertices
|
|
* need to apply these back onto the DerivedMesh. If we have no
|
|
* DerivedMesh then we need to build one.
|
|
*/
|
|
if (dm && deformedVerts) {
|
|
finaldm = CDDM_copy(dm);
|
|
|
|
dm->release(dm);
|
|
|
|
CDDM_apply_vert_coords(finaldm, deformedVerts);
|
|
|
|
#if 0 /* For later nice mod preview! */
|
|
/* In case we need modified weights in CD_PREVIEW_MCOL, we have to re-compute it. */
|
|
if (do_final_wmcol)
|
|
DM_update_weight_mcol(ob, finaldm, draw_flag, NULL, 0, NULL);
|
|
#endif
|
|
}
|
|
else if (dm) {
|
|
finaldm = dm;
|
|
|
|
#if 0 /* For later nice mod preview! */
|
|
/* In case we need modified weights in CD_PREVIEW_MCOL, we have to re-compute it. */
|
|
if (do_final_wmcol)
|
|
DM_update_weight_mcol(ob, finaldm, draw_flag, NULL, 0, NULL);
|
|
#endif
|
|
}
|
|
else {
|
|
finaldm = CDDM_from_mesh(me);
|
|
|
|
if (build_shapekey_layers) {
|
|
add_shapekey_layers(finaldm, me, ob);
|
|
}
|
|
|
|
if (deformedVerts) {
|
|
CDDM_apply_vert_coords(finaldm, deformedVerts);
|
|
}
|
|
|
|
/* In this case, we should never have weight-modifying modifiers in stack... */
|
|
if (do_init_wmcol)
|
|
DM_update_weight_mcol(ob, finaldm, draw_flag, NULL, 0, NULL);
|
|
}
|
|
|
|
/* add an orco layer if needed */
|
|
if (dataMask & CD_MASK_ORCO) {
|
|
add_orco_dm(ob, NULL, finaldm, orcodm, CD_ORCO);
|
|
|
|
if (deform_r && *deform_r)
|
|
add_orco_dm(ob, NULL, *deform_r, NULL, CD_ORCO);
|
|
}
|
|
|
|
if (do_loop_normals) {
|
|
/* Compute loop normals (note: will compute poly and vert normals as well, if needed!) */
|
|
DM_calc_loop_normals(finaldm, loop_normals_split_angle);
|
|
}
|
|
|
|
{
|
|
DM_ensure_tessface(finaldm);
|
|
|
|
/* without this, drawing ngon tri's faces will show ugly tessellated face
|
|
* normals and will also have to calculate normals on the fly, try avoid
|
|
* this where possible since calculating polygon normals isn't fast,
|
|
* note that this isn't a problem for subsurf (only quads) or editmode
|
|
* which deals with drawing differently.
|
|
*
|
|
* Only calc vertex normals if they are flagged as dirty.
|
|
* If using loop normals, poly nors have already been computed.
|
|
*/
|
|
if (!do_loop_normals) {
|
|
dm_ensure_display_normals(finaldm);
|
|
}
|
|
}
|
|
|
|
#ifdef WITH_GAMEENGINE
|
|
/* NavMesh - this is a hack but saves having a NavMesh modifier */
|
|
if ((ob->gameflag & OB_NAVMESH) && (finaldm->type == DM_TYPE_CDDM)) {
|
|
DerivedMesh *tdm;
|
|
tdm = navmesh_dm_createNavMeshForVisualization(finaldm);
|
|
if (finaldm != tdm) {
|
|
finaldm->release(finaldm);
|
|
finaldm = tdm;
|
|
}
|
|
}
|
|
#endif /* WITH_GAMEENGINE */
|
|
|
|
*final_r = finaldm;
|
|
|
|
if (orcodm)
|
|
orcodm->release(orcodm);
|
|
if (clothorcodm)
|
|
clothorcodm->release(clothorcodm);
|
|
|
|
if (deformedVerts && deformedVerts != inputVertexCos)
|
|
MEM_freeN(deformedVerts);
|
|
|
|
BLI_linklist_free((LinkNode *)datamasks, NULL);
|
|
}
|
|
|
|
float (*editbmesh_get_vertex_cos(BMEditMesh *em, int *r_numVerts))[3]
|
|
{
|
|
BMIter iter;
|
|
BMVert *eve;
|
|
float (*cos)[3];
|
|
int i;
|
|
|
|
*r_numVerts = em->bm->totvert;
|
|
|
|
cos = MEM_mallocN(sizeof(float) * 3 * em->bm->totvert, "vertexcos");
|
|
|
|
BM_ITER_MESH_INDEX (eve, &iter, em->bm, BM_VERTS_OF_MESH, i) {
|
|
copy_v3_v3(cos[i], eve->co);
|
|
}
|
|
|
|
return cos;
|
|
}
|
|
|
|
bool editbmesh_modifier_is_enabled(Scene *scene, ModifierData *md, DerivedMesh *dm)
|
|
{
|
|
ModifierTypeInfo *mti = modifierType_getInfo(md->type);
|
|
int required_mode = eModifierMode_Realtime | eModifierMode_Editmode;
|
|
|
|
if (!modifier_isEnabled(scene, md, required_mode)) return 0;
|
|
if ((mti->flags & eModifierTypeFlag_RequiresOriginalData) && dm) {
|
|
modifier_setError(md, "Modifier requires original data, bad stack position");
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void editbmesh_calc_modifiers(Scene *scene, Object *ob, BMEditMesh *em, DerivedMesh **cage_r,
|
|
DerivedMesh **final_r,
|
|
CustomDataMask dataMask)
|
|
{
|
|
ModifierData *md, *previewmd = NULL;
|
|
float (*deformedVerts)[3] = NULL;
|
|
CustomDataMask mask, previewmask = 0, append_mask = 0;
|
|
DerivedMesh *dm = NULL, *orcodm = NULL;
|
|
int i, numVerts = 0, cageIndex = modifiers_getCageIndex(scene, ob, NULL, 1);
|
|
CDMaskLink *datamasks, *curr;
|
|
int required_mode = eModifierMode_Realtime | eModifierMode_Editmode;
|
|
int draw_flag = dm_drawflag_calc(scene->toolsettings);
|
|
|
|
// const bool do_mod_mcol = true; // (ob->mode == OB_MODE_OBJECT);
|
|
#if 0 /* XXX Will re-enable this when we have global mod stack options. */
|
|
const bool do_final_wmcol = (scene->toolsettings->weights_preview == WP_WPREVIEW_FINAL) && do_wmcol;
|
|
#endif
|
|
const bool do_final_wmcol = false;
|
|
const bool do_init_wmcol = ((((Mesh *)ob->data)->drawflag & ME_DRAWEIGHT) && !do_final_wmcol);
|
|
const bool do_init_statvis = ((((Mesh *)ob->data)->drawflag & ME_DRAW_STATVIS) && !do_init_wmcol);
|
|
const bool do_mod_wmcol = do_init_wmcol;
|
|
VirtualModifierData virtualModifierData;
|
|
|
|
const bool do_loop_normals = (((Mesh *)(ob->data))->flag & ME_AUTOSMOOTH);
|
|
const float loop_normals_split_angle = ((Mesh *)(ob->data))->smoothresh;
|
|
|
|
modifiers_clearErrors(ob);
|
|
|
|
if (cage_r && cageIndex == -1) {
|
|
*cage_r = getEditDerivedBMesh(em, ob, NULL);
|
|
}
|
|
|
|
md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
|
|
|
|
/* copied from mesh_calc_modifiers */
|
|
if (do_mod_wmcol) {
|
|
previewmd = modifiers_getLastPreview(scene, md, required_mode);
|
|
/* even if the modifier doesn't need the data, to make a preview it may */
|
|
if (previewmd) {
|
|
if (do_mod_wmcol) {
|
|
previewmask = CD_MASK_MDEFORMVERT;
|
|
}
|
|
}
|
|
}
|
|
|
|
datamasks = modifiers_calcDataMasks(scene, ob, md, dataMask, required_mode, previewmd, previewmask);
|
|
|
|
curr = datamasks;
|
|
for (i = 0; md; i++, md = md->next, curr = curr->next) {
|
|
ModifierTypeInfo *mti = modifierType_getInfo(md->type);
|
|
|
|
md->scene = scene;
|
|
|
|
if (!editbmesh_modifier_is_enabled(scene, md, dm))
|
|
continue;
|
|
|
|
/* add an orco layer if needed by this modifier */
|
|
if (dm && mti->requiredDataMask) {
|
|
mask = mti->requiredDataMask(ob, md);
|
|
if (mask & CD_MASK_ORCO)
|
|
add_orco_dm(ob, em, dm, orcodm, CD_ORCO);
|
|
}
|
|
|
|
/* How to apply modifier depends on (a) what we already have as
|
|
* a result of previous modifiers (could be a DerivedMesh or just
|
|
* deformed vertices) and (b) what type the modifier is.
|
|
*/
|
|
|
|
if (mti->type == eModifierTypeType_OnlyDeform) {
|
|
/* No existing verts to deform, need to build them. */
|
|
if (!deformedVerts) {
|
|
if (dm) {
|
|
/* Deforming a derived mesh, read the vertex locations
|
|
* out of the mesh and deform them. Once done with this
|
|
* run of deformers verts will be written back.
|
|
*/
|
|
numVerts = dm->getNumVerts(dm);
|
|
deformedVerts =
|
|
MEM_mallocN(sizeof(*deformedVerts) * numVerts, "dfmv");
|
|
dm->getVertCos(dm, deformedVerts);
|
|
}
|
|
else {
|
|
deformedVerts = editbmesh_get_vertex_cos(em, &numVerts);
|
|
}
|
|
}
|
|
|
|
if (mti->deformVertsEM)
|
|
modwrap_deformVertsEM(md, ob, em, dm, deformedVerts, numVerts);
|
|
else
|
|
modwrap_deformVerts(md, ob, dm, deformedVerts, numVerts, 0);
|
|
}
|
|
else {
|
|
DerivedMesh *ndm;
|
|
|
|
/* apply vertex coordinates or build a DerivedMesh as necessary */
|
|
if (dm) {
|
|
if (deformedVerts) {
|
|
DerivedMesh *tdm = CDDM_copy(dm);
|
|
if (!(cage_r && dm == *cage_r)) dm->release(dm);
|
|
dm = tdm;
|
|
|
|
CDDM_apply_vert_coords(dm, deformedVerts);
|
|
}
|
|
else if (cage_r && dm == *cage_r) {
|
|
/* dm may be changed by this modifier, so we need to copy it
|
|
*/
|
|
dm = CDDM_copy(dm);
|
|
}
|
|
|
|
}
|
|
else {
|
|
dm = CDDM_from_editbmesh(em, false, false);
|
|
ASSERT_IS_VALID_DM(dm);
|
|
|
|
if (deformedVerts) {
|
|
CDDM_apply_vert_coords(dm, deformedVerts);
|
|
}
|
|
|
|
if (do_init_wmcol) {
|
|
DM_update_weight_mcol(ob, dm, draw_flag, NULL, 0, NULL);
|
|
}
|
|
}
|
|
|
|
/* create an orco derivedmesh in parallel */
|
|
mask = curr->mask;
|
|
if (mask & CD_MASK_ORCO) {
|
|
if (!orcodm)
|
|
orcodm = create_orco_dm(ob, ob->data, em, CD_ORCO);
|
|
|
|
mask &= ~CD_MASK_ORCO;
|
|
DM_set_only_copy(orcodm, mask | CD_MASK_ORIGINDEX);
|
|
|
|
if (mti->applyModifierEM) {
|
|
ndm = modwrap_applyModifierEM(md, ob, em, orcodm, MOD_APPLY_ORCO);
|
|
}
|
|
else {
|
|
ndm = modwrap_applyModifier(md, ob, orcodm, MOD_APPLY_ORCO);
|
|
}
|
|
ASSERT_IS_VALID_DM(ndm);
|
|
|
|
if (ndm) {
|
|
/* if the modifier returned a new dm, release the old one */
|
|
if (orcodm && orcodm != ndm) orcodm->release(orcodm);
|
|
orcodm = ndm;
|
|
}
|
|
}
|
|
|
|
/* set the DerivedMesh to only copy needed data */
|
|
mask |= append_mask;
|
|
mask = curr->mask; /* CD_MASK_ORCO may have been cleared above */
|
|
|
|
DM_set_only_copy(dm, mask | CD_MASK_ORIGINDEX);
|
|
|
|
if (mask & CD_MASK_ORIGSPACE_MLOOP) {
|
|
if (!CustomData_has_layer(&dm->loopData, CD_ORIGSPACE_MLOOP)) {
|
|
DM_add_loop_layer(dm, CD_ORIGSPACE_MLOOP, CD_CALLOC, NULL);
|
|
DM_init_origspace(dm);
|
|
}
|
|
}
|
|
|
|
if (mti->applyModifierEM)
|
|
ndm = modwrap_applyModifierEM(md, ob, em, dm, MOD_APPLY_USECACHE);
|
|
else
|
|
ndm = modwrap_applyModifier(md, ob, dm, MOD_APPLY_USECACHE);
|
|
ASSERT_IS_VALID_DM(ndm);
|
|
|
|
if (ndm) {
|
|
if (dm && dm != ndm)
|
|
dm->release(dm);
|
|
|
|
dm = ndm;
|
|
|
|
if (deformedVerts) {
|
|
MEM_freeN(deformedVerts);
|
|
deformedVerts = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* In case of active preview modifier, make sure preview mask remains for following modifiers. */
|
|
if ((md == previewmd) && (do_mod_wmcol)) {
|
|
DM_update_weight_mcol(ob, dm, draw_flag, NULL, 0, NULL);
|
|
append_mask |= CD_MASK_PREVIEW_MLOOPCOL;
|
|
}
|
|
|
|
if (cage_r && i == cageIndex) {
|
|
if (dm && deformedVerts) {
|
|
*cage_r = CDDM_copy(dm);
|
|
CDDM_apply_vert_coords(*cage_r, deformedVerts);
|
|
}
|
|
else if (dm) {
|
|
*cage_r = dm;
|
|
}
|
|
else {
|
|
*cage_r =
|
|
getEditDerivedBMesh(em, ob,
|
|
deformedVerts ? MEM_dupallocN(deformedVerts) : NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
BLI_linklist_free((LinkNode *)datamasks, NULL);
|
|
|
|
/* Yay, we are done. If we have a DerivedMesh and deformed vertices need
|
|
* to apply these back onto the DerivedMesh. If we have no DerivedMesh
|
|
* then we need to build one.
|
|
*/
|
|
if (dm && deformedVerts) {
|
|
*final_r = CDDM_copy(dm);
|
|
|
|
if (!(cage_r && dm == *cage_r)) dm->release(dm);
|
|
|
|
CDDM_apply_vert_coords(*final_r, deformedVerts);
|
|
}
|
|
else if (dm) {
|
|
*final_r = dm;
|
|
}
|
|
else if (!deformedVerts && cage_r && *cage_r) {
|
|
/* cage should already have up to date normals */
|
|
*final_r = *cage_r;
|
|
|
|
/* In this case, we should never have weight-modifying modifiers in stack... */
|
|
if (do_init_wmcol)
|
|
DM_update_weight_mcol(ob, *final_r, draw_flag, NULL, 0, NULL);
|
|
if (do_init_statvis)
|
|
DM_update_statvis_color(scene, ob, *final_r);
|
|
}
|
|
else {
|
|
/* this is just a copy of the editmesh, no need to calc normals */
|
|
*final_r = getEditDerivedBMesh(em, ob, deformedVerts);
|
|
deformedVerts = NULL;
|
|
|
|
/* In this case, we should never have weight-modifying modifiers in stack... */
|
|
if (do_init_wmcol)
|
|
DM_update_weight_mcol(ob, *final_r, draw_flag, NULL, 0, NULL);
|
|
if (do_init_statvis)
|
|
DM_update_statvis_color(scene, ob, *final_r);
|
|
}
|
|
|
|
if (do_loop_normals) {
|
|
/* Compute loop normals */
|
|
DM_calc_loop_normals(*final_r, loop_normals_split_angle);
|
|
if (cage_r && *cage_r && (*cage_r != *final_r)) {
|
|
DM_calc_loop_normals(*cage_r, loop_normals_split_angle);
|
|
}
|
|
}
|
|
|
|
/* --- */
|
|
/* BMESH_ONLY, ensure tessface's used for drawing,
|
|
* but don't recalculate if the last modifier in the stack gives us tessfaces
|
|
* check if the derived meshes are DM_TYPE_EDITBMESH before calling, this isn't essential
|
|
* but quiets annoying error messages since tessfaces wont be created. */
|
|
if ((*final_r)->type != DM_TYPE_EDITBMESH) {
|
|
DM_ensure_tessface(*final_r);
|
|
}
|
|
if (cage_r && *cage_r) {
|
|
if ((*cage_r)->type != DM_TYPE_EDITBMESH) {
|
|
if (*cage_r != *final_r) {
|
|
DM_ensure_tessface(*cage_r);
|
|
}
|
|
}
|
|
}
|
|
/* --- */
|
|
|
|
/* same as mesh_calc_modifiers (if using loop normals, poly nors have already been computed). */
|
|
if (!do_loop_normals) {
|
|
dm_ensure_display_normals(*final_r);
|
|
}
|
|
|
|
/* add an orco layer if needed */
|
|
if (dataMask & CD_MASK_ORCO)
|
|
add_orco_dm(ob, em, *final_r, orcodm, CD_ORCO);
|
|
|
|
if (orcodm)
|
|
orcodm->release(orcodm);
|
|
|
|
if (deformedVerts)
|
|
MEM_freeN(deformedVerts);
|
|
}
|
|
|
|
static void mesh_build_data(Scene *scene, Object *ob, CustomDataMask dataMask,
|
|
int build_shapekey_layers)
|
|
{
|
|
Object *obact = scene->basact ? scene->basact->object : NULL;
|
|
bool editing = BKE_paint_select_face_test(ob);
|
|
/* weight paint and face select need original indices because of selection buffer drawing */
|
|
int needMapping = (ob == obact) && (editing || (ob->mode & (OB_MODE_WEIGHT_PAINT | OB_MODE_VERTEX_PAINT | OB_MODE_TEXTURE_PAINT)));
|
|
|
|
BLI_assert(ob->type == OB_MESH);
|
|
|
|
BKE_object_free_derived_caches(ob);
|
|
BKE_object_sculpt_modifiers_changed(ob);
|
|
|
|
mesh_calc_modifiers(scene, ob, NULL, &ob->derivedDeform,
|
|
&ob->derivedFinal, 0, 1,
|
|
needMapping, dataMask, -1, 1, build_shapekey_layers);
|
|
|
|
DM_set_object_boundbox(ob, ob->derivedFinal);
|
|
|
|
ob->derivedFinal->needsFree = 0;
|
|
ob->derivedDeform->needsFree = 0;
|
|
ob->lastDataMask = dataMask;
|
|
|
|
if ((ob->mode & OB_MODE_SCULPT) && ob->sculpt) {
|
|
/* create PBVH immediately (would be created on the fly too,
|
|
* but this avoids waiting on first stroke) */
|
|
|
|
BKE_sculpt_update_mesh_elements(scene, scene->toolsettings->sculpt, ob, false, false);
|
|
}
|
|
|
|
BLI_assert(!(ob->derivedFinal->dirty & DM_DIRTY_NORMALS));
|
|
}
|
|
|
|
static void editbmesh_build_data(Scene *scene, Object *obedit, BMEditMesh *em, CustomDataMask dataMask)
|
|
{
|
|
BKE_object_free_derived_caches(obedit);
|
|
BKE_object_sculpt_modifiers_changed(obedit);
|
|
|
|
BKE_editmesh_free_derivedmesh(em);
|
|
|
|
editbmesh_calc_modifiers(scene, obedit, em, &em->derivedCage, &em->derivedFinal, dataMask);
|
|
DM_set_object_boundbox(obedit, em->derivedFinal);
|
|
|
|
em->lastDataMask = dataMask;
|
|
em->derivedFinal->needsFree = 0;
|
|
em->derivedCage->needsFree = 0;
|
|
|
|
BLI_assert(!(em->derivedFinal->dirty & DM_DIRTY_NORMALS));
|
|
}
|
|
|
|
static CustomDataMask object_get_datamask(Scene *scene, Object *ob)
|
|
{
|
|
Object *actob = scene->basact ? scene->basact->object : NULL;
|
|
CustomDataMask mask = ob->customdata_mask;
|
|
|
|
if (ob == actob) {
|
|
/* check if we need tfaces & mcols due to face select or texture paint */
|
|
if (BKE_paint_select_face_test(ob) || (ob->mode & OB_MODE_TEXTURE_PAINT)) {
|
|
mask |= CD_MASK_MTFACE | CD_MASK_MCOL;
|
|
}
|
|
|
|
/* check if we need mcols due to vertex paint or weightpaint */
|
|
if (ob->mode & OB_MODE_VERTEX_PAINT) {
|
|
mask |= CD_MASK_MCOL;
|
|
}
|
|
|
|
if (ob->mode & OB_MODE_WEIGHT_PAINT) {
|
|
mask |= CD_MASK_PREVIEW_MCOL;
|
|
}
|
|
|
|
if (ob->mode & OB_MODE_EDIT)
|
|
mask |= CD_MASK_MVERT_SKIN;
|
|
}
|
|
|
|
return mask;
|
|
}
|
|
|
|
void makeDerivedMesh(Scene *scene, Object *ob, BMEditMesh *em,
|
|
CustomDataMask dataMask, int build_shapekey_layers)
|
|
{
|
|
dataMask |= object_get_datamask(scene, ob);
|
|
|
|
if (em) {
|
|
editbmesh_build_data(scene, ob, em, dataMask);
|
|
}
|
|
else {
|
|
mesh_build_data(scene, ob, dataMask, build_shapekey_layers);
|
|
}
|
|
}
|
|
|
|
/***/
|
|
|
|
DerivedMesh *mesh_get_derived_final(Scene *scene, Object *ob, CustomDataMask dataMask)
|
|
{
|
|
/* if there's no derived mesh or the last data mask used doesn't include
|
|
* the data we need, rebuild the derived mesh
|
|
*/
|
|
dataMask |= object_get_datamask(scene, ob);
|
|
|
|
if (!ob->derivedFinal || (dataMask & ob->lastDataMask) != dataMask)
|
|
mesh_build_data(scene, ob, dataMask, 0);
|
|
|
|
if (ob->derivedFinal) { BLI_assert(!(ob->derivedFinal->dirty & DM_DIRTY_NORMALS)); }
|
|
return ob->derivedFinal;
|
|
}
|
|
|
|
DerivedMesh *mesh_get_derived_deform(Scene *scene, Object *ob, CustomDataMask dataMask)
|
|
{
|
|
/* if there's no derived mesh or the last data mask used doesn't include
|
|
* the data we need, rebuild the derived mesh
|
|
*/
|
|
dataMask |= object_get_datamask(scene, ob);
|
|
|
|
if (!ob->derivedDeform || (dataMask & ob->lastDataMask) != dataMask)
|
|
mesh_build_data(scene, ob, dataMask, 0);
|
|
|
|
return ob->derivedDeform;
|
|
}
|
|
|
|
DerivedMesh *mesh_create_derived_render(Scene *scene, Object *ob, CustomDataMask dataMask)
|
|
{
|
|
DerivedMesh *final;
|
|
|
|
mesh_calc_modifiers(scene, ob, NULL, NULL, &final, 1, 1, 0, dataMask, -1, 0, 0);
|
|
|
|
return final;
|
|
}
|
|
|
|
DerivedMesh *mesh_create_derived_index_render(Scene *scene, Object *ob, CustomDataMask dataMask, int index)
|
|
{
|
|
DerivedMesh *final;
|
|
|
|
mesh_calc_modifiers(scene, ob, NULL, NULL, &final, 1, 1, 0, dataMask, index, 0, 0);
|
|
|
|
return final;
|
|
}
|
|
|
|
DerivedMesh *mesh_create_derived_view(Scene *scene, Object *ob, CustomDataMask dataMask)
|
|
{
|
|
DerivedMesh *final;
|
|
|
|
/* XXX hack
|
|
* psys modifier updates particle state when called during dupli-list generation,
|
|
* which can lead to wrong transforms. This disables particle system modifier execution.
|
|
*/
|
|
ob->transflag |= OB_NO_PSYS_UPDATE;
|
|
|
|
mesh_calc_modifiers(scene, ob, NULL, NULL, &final, 0, 1, 0, dataMask, -1, 0, 0);
|
|
|
|
ob->transflag &= ~OB_NO_PSYS_UPDATE;
|
|
|
|
return final;
|
|
}
|
|
|
|
DerivedMesh *mesh_create_derived_no_deform(Scene *scene, Object *ob, float (*vertCos)[3],
|
|
CustomDataMask dataMask)
|
|
{
|
|
DerivedMesh *final;
|
|
|
|
mesh_calc_modifiers(scene, ob, vertCos, NULL, &final, 0, 0, 0, dataMask, -1, 0, 0);
|
|
|
|
return final;
|
|
}
|
|
|
|
DerivedMesh *mesh_create_derived_no_virtual(Scene *scene, Object *ob, float (*vertCos)[3],
|
|
CustomDataMask dataMask)
|
|
{
|
|
DerivedMesh *final;
|
|
|
|
mesh_calc_modifiers(scene, ob, vertCos, NULL, &final, 0, -1, 0, dataMask, -1, 0, 0);
|
|
|
|
return final;
|
|
}
|
|
|
|
DerivedMesh *mesh_create_derived_physics(Scene *scene, Object *ob, float (*vertCos)[3],
|
|
CustomDataMask dataMask)
|
|
{
|
|
DerivedMesh *final;
|
|
|
|
mesh_calc_modifiers(scene, ob, vertCos, NULL, &final, 0, -1, 1, dataMask, -1, 0, 0);
|
|
|
|
return final;
|
|
}
|
|
|
|
DerivedMesh *mesh_create_derived_no_deform_render(Scene *scene, Object *ob,
|
|
float (*vertCos)[3],
|
|
CustomDataMask dataMask)
|
|
{
|
|
DerivedMesh *final;
|
|
|
|
mesh_calc_modifiers(scene, ob, vertCos, NULL, &final, 1, 0, 0, dataMask, -1, 0, 0);
|
|
|
|
return final;
|
|
}
|
|
|
|
/***/
|
|
|
|
DerivedMesh *editbmesh_get_derived_cage_and_final(Scene *scene, Object *obedit, BMEditMesh *em, DerivedMesh **r_final,
|
|
CustomDataMask dataMask)
|
|
{
|
|
/* if there's no derived mesh or the last data mask used doesn't include
|
|
* the data we need, rebuild the derived mesh
|
|
*/
|
|
dataMask |= object_get_datamask(scene, obedit);
|
|
|
|
if (!em->derivedCage ||
|
|
(em->lastDataMask & dataMask) != dataMask)
|
|
{
|
|
editbmesh_build_data(scene, obedit, em, dataMask);
|
|
}
|
|
|
|
*r_final = em->derivedFinal;
|
|
if (em->derivedFinal) { BLI_assert(!(em->derivedFinal->dirty & DM_DIRTY_NORMALS)); }
|
|
return em->derivedCage;
|
|
}
|
|
|
|
DerivedMesh *editbmesh_get_derived_cage(Scene *scene, Object *obedit, BMEditMesh *em, CustomDataMask dataMask)
|
|
{
|
|
/* if there's no derived mesh or the last data mask used doesn't include
|
|
* the data we need, rebuild the derived mesh
|
|
*/
|
|
dataMask |= object_get_datamask(scene, obedit);
|
|
|
|
if (!em->derivedCage ||
|
|
(em->lastDataMask & dataMask) != dataMask)
|
|
{
|
|
editbmesh_build_data(scene, obedit, em, dataMask);
|
|
}
|
|
|
|
return em->derivedCage;
|
|
}
|
|
|
|
DerivedMesh *editbmesh_get_derived_base(Object *obedit, BMEditMesh *em)
|
|
{
|
|
return getEditDerivedBMesh(em, obedit, NULL);
|
|
}
|
|
|
|
/* UNUSED */
|
|
#if 0
|
|
|
|
/* ********* For those who don't grasp derived stuff! (ton) :) *************** */
|
|
|
|
static void make_vertexcosnos__mapFunc(void *userData, int index, const float co[3],
|
|
const float no_f[3], const short no_s[3])
|
|
{
|
|
DMCoNo *co_no = &((DMCoNo *)userData)[index];
|
|
|
|
/* check if we've been here before (normal should not be 0) */
|
|
if (!is_zero_v3(co_no->no)) {
|
|
return;
|
|
}
|
|
|
|
copy_v3_v3(co_no->co, co);
|
|
if (no_f) {
|
|
copy_v3_v3(co_no->no, no_f);
|
|
}
|
|
else {
|
|
normal_short_to_float_v3(co_no->no, no_s);
|
|
}
|
|
}
|
|
|
|
/* always returns original amount me->totvert of vertices and normals, but fully deformed and subsurfered */
|
|
/* this is needed for all code using vertexgroups (no subsurf support) */
|
|
/* it stores the normals as floats, but they can still be scaled as shorts (32767 = unit) */
|
|
/* in use now by vertex/weight paint and particle generating */
|
|
|
|
DMCoNo *mesh_get_mapped_verts_nors(Scene *scene, Object *ob)
|
|
{
|
|
Mesh *me = ob->data;
|
|
DerivedMesh *dm;
|
|
DMCoNo *vertexcosnos;
|
|
|
|
/* lets prevent crashing... */
|
|
if (ob->type != OB_MESH || me->totvert == 0)
|
|
return NULL;
|
|
|
|
dm = mesh_get_derived_final(scene, ob, CD_MASK_BAREMESH | CD_MASK_ORIGINDEX);
|
|
|
|
if (dm->foreachMappedVert) {
|
|
vertexcosnos = MEM_callocN(sizeof(DMCoNo) * me->totvert, "vertexcosnos map");
|
|
dm->foreachMappedVert(dm, make_vertexcosnos__mapFunc, vertexcosnos);
|
|
}
|
|
else {
|
|
DMCoNo *v_co_no = vertexcosnos = MEM_mallocN(sizeof(DMCoNo) * me->totvert, "vertexcosnos map");
|
|
int a;
|
|
for (a = 0; a < me->totvert; a++, v_co_no++) {
|
|
dm->getVertCo(dm, a, v_co_no->co);
|
|
dm->getVertNo(dm, a, v_co_no->no);
|
|
}
|
|
}
|
|
|
|
dm->release(dm);
|
|
return vertexcosnos;
|
|
}
|
|
|
|
#endif
|
|
|
|
/* ******************* GLSL ******************** */
|
|
|
|
typedef struct {
|
|
float (*precomputedFaceNormals)[3];
|
|
short (*precomputedLoopNormals)[4][3];
|
|
MTFace *mtface; /* texture coordinates */
|
|
MFace *mface; /* indices */
|
|
MVert *mvert; /* vertices & normals */
|
|
float (*orco)[3];
|
|
float (*tangent)[4]; /* destination */
|
|
int numTessFaces;
|
|
|
|
} SGLSLMeshToTangent;
|
|
|
|
/* interface */
|
|
#include "mikktspace.h"
|
|
|
|
static int GetNumFaces(const SMikkTSpaceContext *pContext)
|
|
{
|
|
SGLSLMeshToTangent *pMesh = (SGLSLMeshToTangent *) pContext->m_pUserData;
|
|
return pMesh->numTessFaces;
|
|
}
|
|
|
|
static int GetNumVertsOfFace(const SMikkTSpaceContext *pContext, const int face_num)
|
|
{
|
|
SGLSLMeshToTangent *pMesh = (SGLSLMeshToTangent *) pContext->m_pUserData;
|
|
return pMesh->mface[face_num].v4 != 0 ? 4 : 3;
|
|
}
|
|
|
|
static void GetPosition(const SMikkTSpaceContext *pContext, float r_co[3], const int face_num, const int vert_index)
|
|
{
|
|
//assert(vert_index >= 0 && vert_index < 4);
|
|
SGLSLMeshToTangent *pMesh = (SGLSLMeshToTangent *) pContext->m_pUserData;
|
|
const float *co = pMesh->mvert[(&pMesh->mface[face_num].v1)[vert_index]].co;
|
|
copy_v3_v3(r_co, co);
|
|
}
|
|
|
|
static void GetTextureCoordinate(const SMikkTSpaceContext *pContext, float r_uv[2], const int face_num, const int vert_index)
|
|
{
|
|
//assert(vert_index >= 0 && vert_index < 4);
|
|
SGLSLMeshToTangent *pMesh = (SGLSLMeshToTangent *) pContext->m_pUserData;
|
|
|
|
if (pMesh->mtface != NULL) {
|
|
const float *uv = pMesh->mtface[face_num].uv[vert_index];
|
|
copy_v2_v2(r_uv, uv);
|
|
}
|
|
else {
|
|
const float *orco = pMesh->orco[(&pMesh->mface[face_num].v1)[vert_index]];
|
|
map_to_sphere(&r_uv[0], &r_uv[1], orco[0], orco[1], orco[2]);
|
|
}
|
|
}
|
|
|
|
static void GetNormal(const SMikkTSpaceContext *pContext, float r_no[3], const int face_num, const int vert_index)
|
|
{
|
|
//assert(vert_index >= 0 && vert_index < 4);
|
|
SGLSLMeshToTangent *pMesh = (SGLSLMeshToTangent *) pContext->m_pUserData;
|
|
const bool smoothnormal = (pMesh->mface[face_num].flag & ME_SMOOTH) != 0;
|
|
|
|
if (pMesh->precomputedLoopNormals) {
|
|
normal_short_to_float_v3(r_no, pMesh->precomputedLoopNormals[face_num][vert_index]);
|
|
}
|
|
else if (!smoothnormal) { // flat
|
|
if (pMesh->precomputedFaceNormals) {
|
|
copy_v3_v3(r_no, pMesh->precomputedFaceNormals[face_num]);
|
|
}
|
|
else {
|
|
MFace *mf = &pMesh->mface[face_num];
|
|
const float *p0 = pMesh->mvert[mf->v1].co;
|
|
const float *p1 = pMesh->mvert[mf->v2].co;
|
|
const float *p2 = pMesh->mvert[mf->v3].co;
|
|
|
|
if (mf->v4) {
|
|
const float *p3 = pMesh->mvert[mf->v4].co;
|
|
normal_quad_v3(r_no, p0, p1, p2, p3);
|
|
}
|
|
else {
|
|
normal_tri_v3(r_no, p0, p1, p2);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
const short *no = pMesh->mvert[(&pMesh->mface[face_num].v1)[vert_index]].no;
|
|
normal_short_to_float_v3(r_no, no);
|
|
}
|
|
}
|
|
|
|
static void SetTSpace(const SMikkTSpaceContext *pContext, const float fvTangent[3], const float fSign, const int face_num, const int iVert)
|
|
{
|
|
//assert(vert_index >= 0 && vert_index < 4);
|
|
SGLSLMeshToTangent *pMesh = (SGLSLMeshToTangent *) pContext->m_pUserData;
|
|
float *pRes = pMesh->tangent[4 * face_num + iVert];
|
|
copy_v3_v3(pRes, fvTangent);
|
|
pRes[3] = fSign;
|
|
}
|
|
|
|
void DM_add_tangent_layer(DerivedMesh *dm)
|
|
{
|
|
/* mesh vars */
|
|
MVert *mvert;
|
|
MTFace *mtface;
|
|
MFace *mface;
|
|
float (*orco)[3] = NULL, (*tangent)[4];
|
|
int /* totvert, */ totface;
|
|
float (*fnors)[3];
|
|
short (*tlnors)[4][3];
|
|
|
|
if (CustomData_get_layer_index(&dm->faceData, CD_TANGENT) != -1)
|
|
return;
|
|
|
|
fnors = dm->getTessFaceDataArray(dm, CD_NORMAL);
|
|
/* Note, we assume we do have tessellated loop normals at this point (in case it is object-enabled),
|
|
* have to check this is valid...
|
|
*/
|
|
tlnors = dm->getTessFaceDataArray(dm, CD_TESSLOOPNORMAL);
|
|
|
|
/* check we have all the needed layers */
|
|
/* totvert = dm->getNumVerts(dm); */ /* UNUSED */
|
|
totface = dm->getNumTessFaces(dm);
|
|
|
|
mvert = dm->getVertArray(dm);
|
|
mface = dm->getTessFaceArray(dm);
|
|
mtface = dm->getTessFaceDataArray(dm, CD_MTFACE);
|
|
|
|
if (!mtface) {
|
|
orco = dm->getVertDataArray(dm, CD_ORCO);
|
|
if (!orco)
|
|
return;
|
|
}
|
|
|
|
/* create tangent layer */
|
|
DM_add_tessface_layer(dm, CD_TANGENT, CD_CALLOC, NULL);
|
|
tangent = DM_get_tessface_data_layer(dm, CD_TANGENT);
|
|
|
|
/* new computation method */
|
|
{
|
|
SGLSLMeshToTangent mesh2tangent = {NULL};
|
|
SMikkTSpaceContext sContext = {NULL};
|
|
SMikkTSpaceInterface sInterface = {NULL};
|
|
|
|
mesh2tangent.precomputedFaceNormals = fnors;
|
|
mesh2tangent.precomputedLoopNormals = tlnors;
|
|
mesh2tangent.mtface = mtface;
|
|
mesh2tangent.mface = mface;
|
|
mesh2tangent.mvert = mvert;
|
|
mesh2tangent.orco = orco;
|
|
mesh2tangent.tangent = tangent;
|
|
mesh2tangent.numTessFaces = totface;
|
|
|
|
sContext.m_pUserData = &mesh2tangent;
|
|
sContext.m_pInterface = &sInterface;
|
|
sInterface.m_getNumFaces = GetNumFaces;
|
|
sInterface.m_getNumVerticesOfFace = GetNumVertsOfFace;
|
|
sInterface.m_getPosition = GetPosition;
|
|
sInterface.m_getTexCoord = GetTextureCoordinate;
|
|
sInterface.m_getNormal = GetNormal;
|
|
sInterface.m_setTSpaceBasic = SetTSpace;
|
|
|
|
/* 0 if failed */
|
|
genTangSpaceDefault(&sContext);
|
|
}
|
|
}
|
|
|
|
void DM_calc_auto_bump_scale(DerivedMesh *dm)
|
|
{
|
|
/* int totvert = dm->getNumVerts(dm); */ /* UNUSED */
|
|
int totface = dm->getNumTessFaces(dm);
|
|
|
|
MVert *mvert = dm->getVertArray(dm);
|
|
MFace *mface = dm->getTessFaceArray(dm);
|
|
MTFace *mtface = dm->getTessFaceDataArray(dm, CD_MTFACE);
|
|
|
|
if (mtface) {
|
|
double dsum = 0.0;
|
|
int nr_accumulated = 0;
|
|
int f;
|
|
|
|
for (f = 0; f < totface; f++) {
|
|
{
|
|
float *verts[4], *tex_coords[4];
|
|
const int nr_verts = mface[f].v4 != 0 ? 4 : 3;
|
|
bool is_degenerate;
|
|
int i;
|
|
|
|
verts[0] = mvert[mface[f].v1].co; verts[1] = mvert[mface[f].v2].co; verts[2] = mvert[mface[f].v3].co;
|
|
tex_coords[0] = mtface[f].uv[0]; tex_coords[1] = mtface[f].uv[1]; tex_coords[2] = mtface[f].uv[2];
|
|
if (nr_verts == 4) {
|
|
verts[3] = mvert[mface[f].v4].co;
|
|
tex_coords[3] = mtface[f].uv[3];
|
|
}
|
|
|
|
/* discard degenerate faces */
|
|
is_degenerate = 0;
|
|
if (equals_v3v3(verts[0], verts[1]) || equals_v3v3(verts[0], verts[2]) || equals_v3v3(verts[1], verts[2]) ||
|
|
equals_v2v2(tex_coords[0], tex_coords[1]) || equals_v2v2(tex_coords[0], tex_coords[2]) || equals_v2v2(tex_coords[1], tex_coords[2]))
|
|
{
|
|
is_degenerate = 1;
|
|
}
|
|
|
|
/* verify last vertex as well if this is a quad */
|
|
if (is_degenerate == 0 && nr_verts == 4) {
|
|
if (equals_v3v3(verts[3], verts[0]) || equals_v3v3(verts[3], verts[1]) || equals_v3v3(verts[3], verts[2]) ||
|
|
equals_v2v2(tex_coords[3], tex_coords[0]) || equals_v2v2(tex_coords[3], tex_coords[1]) || equals_v2v2(tex_coords[3], tex_coords[2]))
|
|
{
|
|
is_degenerate = 1;
|
|
}
|
|
|
|
/* verify the winding is consistent */
|
|
if (is_degenerate == 0) {
|
|
float prev_edge[2];
|
|
bool is_signed = 0;
|
|
sub_v2_v2v2(prev_edge, tex_coords[0], tex_coords[3]);
|
|
|
|
i = 0;
|
|
while (is_degenerate == 0 && i < 4) {
|
|
float cur_edge[2], signed_area;
|
|
sub_v2_v2v2(cur_edge, tex_coords[(i + 1) & 0x3], tex_coords[i]);
|
|
signed_area = prev_edge[0] * cur_edge[1] - prev_edge[1] * cur_edge[0];
|
|
|
|
if (i == 0) {
|
|
is_signed = (signed_area < 0.0f) ? 1 : 0;
|
|
}
|
|
else if ((is_signed != 0) != (signed_area < 0.0f)) {
|
|
is_degenerate = 1;
|
|
}
|
|
|
|
if (is_degenerate == 0) {
|
|
copy_v2_v2(prev_edge, cur_edge);
|
|
i++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* proceed if not a degenerate face */
|
|
if (is_degenerate == 0) {
|
|
int nr_tris_to_pile = 0;
|
|
/* quads split at shortest diagonal */
|
|
int offs = 0; /* initial triangulation is 0,1,2 and 0, 2, 3 */
|
|
if (nr_verts == 4) {
|
|
float pos_len_diag0, pos_len_diag1;
|
|
|
|
pos_len_diag0 = len_squared_v3v3(verts[2], verts[0]);
|
|
pos_len_diag1 = len_squared_v3v3(verts[3], verts[1]);
|
|
|
|
if (pos_len_diag1 < pos_len_diag0) {
|
|
offs = 1; // alter split
|
|
}
|
|
else if (pos_len_diag0 == pos_len_diag1) { /* do UV check instead */
|
|
float tex_len_diag0, tex_len_diag1;
|
|
|
|
tex_len_diag0 = len_squared_v2v2(tex_coords[2], tex_coords[0]);
|
|
tex_len_diag1 = len_squared_v2v2(tex_coords[3], tex_coords[1]);
|
|
|
|
if (tex_len_diag1 < tex_len_diag0) {
|
|
offs = 1; /* alter split */
|
|
}
|
|
}
|
|
}
|
|
nr_tris_to_pile = nr_verts - 2;
|
|
if (nr_tris_to_pile == 1 || nr_tris_to_pile == 2) {
|
|
const int indices[6] = {offs + 0, offs + 1, offs + 2, offs + 0, offs + 2, (offs + 3) & 0x3 };
|
|
int t;
|
|
for (t = 0; t < nr_tris_to_pile; t++) {
|
|
float f2x_area_uv;
|
|
const float *p0 = verts[indices[t * 3 + 0]];
|
|
const float *p1 = verts[indices[t * 3 + 1]];
|
|
const float *p2 = verts[indices[t * 3 + 2]];
|
|
|
|
float edge_t0[2], edge_t1[2];
|
|
sub_v2_v2v2(edge_t0, tex_coords[indices[t * 3 + 1]], tex_coords[indices[t * 3 + 0]]);
|
|
sub_v2_v2v2(edge_t1, tex_coords[indices[t * 3 + 2]], tex_coords[indices[t * 3 + 0]]);
|
|
|
|
f2x_area_uv = fabsf(edge_t0[0] * edge_t1[1] - edge_t0[1] * edge_t1[0]);
|
|
if (f2x_area_uv > FLT_EPSILON) {
|
|
float norm[3], v0[3], v1[3], f2x_surf_area, fsurf_ratio;
|
|
sub_v3_v3v3(v0, p1, p0);
|
|
sub_v3_v3v3(v1, p2, p0);
|
|
cross_v3_v3v3(norm, v0, v1);
|
|
|
|
f2x_surf_area = len_v3(norm);
|
|
fsurf_ratio = f2x_surf_area / f2x_area_uv; /* tri area divided by texture area */
|
|
|
|
nr_accumulated++;
|
|
dsum += (double)(fsurf_ratio);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* finalize */
|
|
{
|
|
const float avg_area_ratio = (nr_accumulated > 0) ? ((float)(dsum / nr_accumulated)) : 1.0f;
|
|
const float use_as_render_bump_scale = sqrtf(avg_area_ratio); // use width of average surface ratio as your bump scale
|
|
dm->auto_bump_scale = use_as_render_bump_scale;
|
|
}
|
|
}
|
|
else {
|
|
dm->auto_bump_scale = 1.0f;
|
|
}
|
|
}
|
|
|
|
void DM_vertex_attributes_from_gpu(DerivedMesh *dm, GPUVertexAttribs *gattribs, DMVertexAttribs *attribs)
|
|
{
|
|
CustomData *vdata, *fdata, *tfdata = NULL;
|
|
int a, b, layer;
|
|
|
|
/* From the layers requested by the GLSL shader, figure out which ones are
|
|
* actually available for this derivedmesh, and retrieve the pointers */
|
|
|
|
memset(attribs, 0, sizeof(DMVertexAttribs));
|
|
|
|
vdata = &dm->vertData;
|
|
fdata = tfdata = dm->getTessFaceDataLayout(dm);
|
|
|
|
/* calc auto bump scale if necessary */
|
|
if (dm->auto_bump_scale <= 0.0f)
|
|
DM_calc_auto_bump_scale(dm);
|
|
|
|
/* add a tangent layer if necessary */
|
|
for (b = 0; b < gattribs->totlayer; b++)
|
|
if (gattribs->layer[b].type == CD_TANGENT)
|
|
if (CustomData_get_layer_index(fdata, CD_TANGENT) == -1)
|
|
DM_add_tangent_layer(dm);
|
|
|
|
for (b = 0; b < gattribs->totlayer; b++) {
|
|
if (gattribs->layer[b].type == CD_MTFACE) {
|
|
/* uv coordinates */
|
|
if (dm->type == DM_TYPE_EDITBMESH) {
|
|
/* exception .. */
|
|
CustomData *ldata = dm->getLoopDataLayout(dm);
|
|
|
|
if (gattribs->layer[b].name[0])
|
|
layer = CustomData_get_named_layer_index(ldata, CD_MLOOPUV,
|
|
gattribs->layer[b].name);
|
|
else
|
|
layer = CustomData_get_active_layer_index(ldata, CD_MLOOPUV);
|
|
|
|
a = attribs->tottface++;
|
|
|
|
if (layer != -1) {
|
|
attribs->tface[a].array = tfdata->layers[layer].data;
|
|
attribs->tface[a].em_offset = ldata->layers[layer].offset;
|
|
}
|
|
else {
|
|
attribs->tface[a].array = NULL;
|
|
attribs->tface[a].em_offset = -1;
|
|
}
|
|
|
|
attribs->tface[a].gl_index = gattribs->layer[b].glindex;
|
|
attribs->tface[a].gl_texco = gattribs->layer[b].gltexco;
|
|
}
|
|
else {
|
|
if (gattribs->layer[b].name[0])
|
|
layer = CustomData_get_named_layer_index(tfdata, CD_MTFACE,
|
|
gattribs->layer[b].name);
|
|
else
|
|
layer = CustomData_get_active_layer_index(tfdata, CD_MTFACE);
|
|
|
|
a = attribs->tottface++;
|
|
|
|
if (layer != -1) {
|
|
attribs->tface[a].array = tfdata->layers[layer].data;
|
|
attribs->tface[a].em_offset = tfdata->layers[layer].offset;
|
|
}
|
|
else {
|
|
attribs->tface[a].array = NULL;
|
|
attribs->tface[a].em_offset = -1;
|
|
}
|
|
|
|
attribs->tface[a].gl_index = gattribs->layer[b].glindex;
|
|
attribs->tface[a].gl_texco = gattribs->layer[b].gltexco;
|
|
}
|
|
}
|
|
else if (gattribs->layer[b].type == CD_MCOL) {
|
|
if (dm->type == DM_TYPE_EDITBMESH) {
|
|
/* exception .. */
|
|
CustomData *ldata = dm->getLoopDataLayout(dm);
|
|
|
|
if (gattribs->layer[b].name[0])
|
|
layer = CustomData_get_named_layer_index(ldata, CD_MLOOPCOL,
|
|
gattribs->layer[b].name);
|
|
else
|
|
layer = CustomData_get_active_layer_index(ldata, CD_MLOOPCOL);
|
|
|
|
a = attribs->totmcol++;
|
|
|
|
if (layer != -1) {
|
|
attribs->mcol[a].array = tfdata->layers[layer].data;
|
|
/* odd, store the offset for a different layer type here, but editmode draw code expects it */
|
|
attribs->mcol[a].em_offset = ldata->layers[layer].offset;
|
|
}
|
|
else {
|
|
attribs->mcol[a].array = NULL;
|
|
attribs->mcol[a].em_offset = -1;
|
|
}
|
|
|
|
attribs->mcol[a].gl_index = gattribs->layer[b].glindex;
|
|
}
|
|
else {
|
|
/* vertex colors */
|
|
if (gattribs->layer[b].name[0])
|
|
layer = CustomData_get_named_layer_index(tfdata, CD_MCOL,
|
|
gattribs->layer[b].name);
|
|
else
|
|
layer = CustomData_get_active_layer_index(tfdata, CD_MCOL);
|
|
|
|
a = attribs->totmcol++;
|
|
|
|
if (layer != -1) {
|
|
attribs->mcol[a].array = tfdata->layers[layer].data;
|
|
/* odd, store the offset for a different layer type here, but editmode draw code expects it */
|
|
attribs->mcol[a].em_offset = tfdata->layers[layer].offset;
|
|
}
|
|
else {
|
|
attribs->mcol[a].array = NULL;
|
|
attribs->mcol[a].em_offset = -1;
|
|
}
|
|
|
|
attribs->mcol[a].gl_index = gattribs->layer[b].glindex;
|
|
}
|
|
}
|
|
else if (gattribs->layer[b].type == CD_TANGENT) {
|
|
/* tangents */
|
|
layer = CustomData_get_layer_index(fdata, CD_TANGENT);
|
|
|
|
attribs->tottang = 1;
|
|
|
|
if (layer != -1) {
|
|
attribs->tang.array = fdata->layers[layer].data;
|
|
attribs->tang.em_offset = fdata->layers[layer].offset;
|
|
}
|
|
else {
|
|
attribs->tang.array = NULL;
|
|
attribs->tang.em_offset = -1;
|
|
}
|
|
|
|
attribs->tang.gl_index = gattribs->layer[b].glindex;
|
|
}
|
|
else if (gattribs->layer[b].type == CD_ORCO) {
|
|
/* original coordinates */
|
|
layer = CustomData_get_layer_index(vdata, CD_ORCO);
|
|
attribs->totorco = 1;
|
|
|
|
if (layer != -1) {
|
|
attribs->orco.array = vdata->layers[layer].data;
|
|
attribs->orco.em_offset = vdata->layers[layer].offset;
|
|
}
|
|
else {
|
|
attribs->orco.array = NULL;
|
|
attribs->orco.em_offset = -1;
|
|
}
|
|
|
|
attribs->orco.gl_index = gattribs->layer[b].glindex;
|
|
attribs->orco.gl_texco = gattribs->layer[b].gltexco;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Set object's bounding box based on DerivedMesh min/max data */
|
|
void DM_set_object_boundbox(Object *ob, DerivedMesh *dm)
|
|
{
|
|
float min[3], max[3];
|
|
|
|
INIT_MINMAX(min, max);
|
|
|
|
dm->getMinMax(dm, min, max);
|
|
|
|
if (!ob->bb)
|
|
ob->bb = MEM_callocN(sizeof(BoundBox), "DM-BoundBox");
|
|
|
|
BKE_boundbox_init_from_minmax(ob->bb, min, max);
|
|
}
|
|
|
|
/* --- NAVMESH (begin) --- */
|
|
#ifdef WITH_GAMEENGINE
|
|
|
|
/* BMESH_TODO, navmesh is not working right currently
|
|
* All tools set this as MPoly data, but derived mesh currently draws from MFace (tessface)
|
|
*
|
|
* Proposed solution, rather then copy CD_RECAST into the MFace array,
|
|
* use ORIGINDEX to get the original poly index and then get the CD_RECAST
|
|
* data from the original me->mpoly layer. - campbell
|
|
*/
|
|
|
|
|
|
BLI_INLINE int navmesh_bit(int a, int b)
|
|
{
|
|
return (a & (1 << b)) >> b;
|
|
}
|
|
|
|
BLI_INLINE void navmesh_intToCol(int i, float col[3])
|
|
{
|
|
int r = navmesh_bit(i, 0) + navmesh_bit(i, 3) * 2 + 1;
|
|
int g = navmesh_bit(i, 1) + navmesh_bit(i, 4) * 2 + 1;
|
|
int b = navmesh_bit(i, 2) + navmesh_bit(i, 5) * 2 + 1;
|
|
col[0] = 1 - r * 63.0f / 255.0f;
|
|
col[1] = 1 - g * 63.0f / 255.0f;
|
|
col[2] = 1 - b * 63.0f / 255.0f;
|
|
}
|
|
|
|
static void navmesh_drawColored(DerivedMesh *dm)
|
|
{
|
|
int a, glmode;
|
|
MVert *mvert = (MVert *)CustomData_get_layer(&dm->vertData, CD_MVERT);
|
|
MFace *mface = (MFace *)CustomData_get_layer(&dm->faceData, CD_MFACE);
|
|
int *polygonIdx = (int *)CustomData_get_layer(&dm->polyData, CD_RECAST);
|
|
float col[3];
|
|
|
|
if (!polygonIdx)
|
|
return;
|
|
|
|
#if 0
|
|
//UI_ThemeColor(TH_WIRE);
|
|
glDisable(GL_LIGHTING);
|
|
glLineWidth(2.0);
|
|
dm->drawEdges(dm, 0, 1);
|
|
glLineWidth(1.0);
|
|
glEnable(GL_LIGHTING);
|
|
#endif
|
|
|
|
glDisable(GL_LIGHTING);
|
|
/* if (GPU_buffer_legacy(dm) ) */ { /* TODO - VBO draw code, not high priority - campbell */
|
|
DEBUG_VBO("Using legacy code. drawNavMeshColored\n");
|
|
//glShadeModel(GL_SMOOTH);
|
|
glBegin(glmode = GL_QUADS);
|
|
for (a = 0; a < dm->numTessFaceData; a++, mface++) {
|
|
int new_glmode = mface->v4 ? GL_QUADS : GL_TRIANGLES;
|
|
int pi = polygonIdx[a];
|
|
if (pi <= 0) {
|
|
zero_v3(col);
|
|
}
|
|
else {
|
|
navmesh_intToCol(pi, col);
|
|
}
|
|
|
|
if (new_glmode != glmode) {
|
|
glEnd();
|
|
glBegin(glmode = new_glmode);
|
|
}
|
|
glColor3fv(col);
|
|
glVertex3fv(mvert[mface->v1].co);
|
|
glVertex3fv(mvert[mface->v2].co);
|
|
glVertex3fv(mvert[mface->v3].co);
|
|
if (mface->v4) {
|
|
glVertex3fv(mvert[mface->v4].co);
|
|
}
|
|
}
|
|
glEnd();
|
|
}
|
|
glEnable(GL_LIGHTING);
|
|
}
|
|
|
|
static void navmesh_DM_drawFacesTex(DerivedMesh *dm,
|
|
DMSetDrawOptionsTex setDrawOptions,
|
|
DMCompareDrawOptions compareDrawOptions,
|
|
void *userData)
|
|
{
|
|
(void) setDrawOptions;
|
|
(void) compareDrawOptions;
|
|
(void) userData;
|
|
|
|
navmesh_drawColored(dm);
|
|
}
|
|
|
|
static void navmesh_DM_drawFacesSolid(DerivedMesh *dm,
|
|
float (*partial_redraw_planes)[4],
|
|
bool UNUSED(fast), DMSetMaterial setMaterial)
|
|
{
|
|
(void) partial_redraw_planes;
|
|
(void) setMaterial;
|
|
|
|
//drawFacesSolid_original(dm, partial_redraw_planes, fast, setMaterial);
|
|
navmesh_drawColored(dm);
|
|
}
|
|
|
|
static DerivedMesh *navmesh_dm_createNavMeshForVisualization(DerivedMesh *dm)
|
|
{
|
|
DerivedMesh *result;
|
|
int maxFaces = dm->getNumPolys(dm);
|
|
int *recastData;
|
|
int vertsPerPoly = 0, nverts = 0, ndtris = 0, npolys = 0;
|
|
float *verts = NULL;
|
|
unsigned short *dtris = NULL, *dmeshes = NULL, *polys = NULL;
|
|
int *dtrisToPolysMap = NULL, *dtrisToTrisMap = NULL, *trisToFacesMap = NULL;
|
|
int res;
|
|
|
|
result = CDDM_copy(dm);
|
|
if (!CustomData_has_layer(&result->polyData, CD_RECAST)) {
|
|
int *sourceRecastData = (int *)CustomData_get_layer(&dm->polyData, CD_RECAST);
|
|
if (sourceRecastData) {
|
|
CustomData_add_layer_named(&result->polyData, CD_RECAST, CD_DUPLICATE,
|
|
sourceRecastData, maxFaces, "recastData");
|
|
}
|
|
}
|
|
recastData = (int *)CustomData_get_layer(&result->polyData, CD_RECAST);
|
|
|
|
/* note: This is not good design! - really should not be doing this */
|
|
result->drawFacesTex = navmesh_DM_drawFacesTex;
|
|
result->drawFacesSolid = navmesh_DM_drawFacesSolid;
|
|
|
|
|
|
/* process mesh */
|
|
res = buildNavMeshDataByDerivedMesh(dm, &vertsPerPoly, &nverts, &verts, &ndtris, &dtris,
|
|
&npolys, &dmeshes, &polys, &dtrisToPolysMap, &dtrisToTrisMap,
|
|
&trisToFacesMap);
|
|
if (res) {
|
|
size_t polyIdx;
|
|
|
|
/* invalidate concave polygon */
|
|
for (polyIdx = 0; polyIdx < (size_t)npolys; polyIdx++) {
|
|
unsigned short *poly = &polys[polyIdx * 2 * vertsPerPoly];
|
|
if (!polyIsConvex(poly, vertsPerPoly, verts)) {
|
|
/* set negative polygon idx to all faces */
|
|
unsigned short *dmesh = &dmeshes[4 * polyIdx];
|
|
unsigned short tbase = dmesh[2];
|
|
unsigned short tnum = dmesh[3];
|
|
unsigned short ti;
|
|
|
|
for (ti = 0; ti < tnum; ti++) {
|
|
unsigned short triidx = dtrisToTrisMap[tbase + ti];
|
|
unsigned short faceidx = trisToFacesMap[triidx];
|
|
if (recastData[faceidx] > 0) {
|
|
recastData[faceidx] = -recastData[faceidx];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
printf("Navmesh: Unable to generate valid Navmesh");
|
|
}
|
|
|
|
/* clean up */
|
|
if (verts != NULL)
|
|
MEM_freeN(verts);
|
|
if (dtris != NULL)
|
|
MEM_freeN(dtris);
|
|
if (dmeshes != NULL)
|
|
MEM_freeN(dmeshes);
|
|
if (polys != NULL)
|
|
MEM_freeN(polys);
|
|
if (dtrisToPolysMap != NULL)
|
|
MEM_freeN(dtrisToPolysMap);
|
|
if (dtrisToTrisMap != NULL)
|
|
MEM_freeN(dtrisToTrisMap);
|
|
if (trisToFacesMap != NULL)
|
|
MEM_freeN(trisToFacesMap);
|
|
|
|
return result;
|
|
}
|
|
|
|
#endif /* WITH_GAMEENGINE */
|
|
|
|
/* --- NAVMESH (end) --- */
|
|
|
|
|
|
void DM_init_origspace(DerivedMesh *dm)
|
|
{
|
|
static float default_osf[4][2] = {{0, 0}, {1, 0}, {1, 1}, {0, 1}};
|
|
|
|
OrigSpaceLoop *lof_array = CustomData_get_layer(&dm->loopData, CD_ORIGSPACE_MLOOP);
|
|
OrigSpaceLoop *lof;
|
|
const int numpoly = dm->getNumPolys(dm);
|
|
// const int numloop = dm->getNumLoops(dm);
|
|
MPoly *mp = dm->getPolyArray(dm);
|
|
int i, j;
|
|
|
|
for (i = 0; i < numpoly; i++, mp++) {
|
|
/* only quads/tri's for now */
|
|
if (mp->totloop == 3 || mp->totloop == 4) {
|
|
lof = lof_array + mp->loopstart;
|
|
for (j = 0; j < mp->totloop; j++, lof++) {
|
|
copy_v2_v2(lof->uv, default_osf[j]);
|
|
}
|
|
}
|
|
}
|
|
|
|
dm->dirty |= DM_DIRTY_TESS_CDLAYERS;
|
|
}
|
|
|
|
|
|
|
|
/* derivedmesh info printing function,
|
|
* to help track down differences DM output */
|
|
|
|
#ifndef NDEBUG
|
|
#include "BLI_dynstr.h"
|
|
|
|
static void dm_debug_info_layers(DynStr *dynstr, DerivedMesh *dm, CustomData *cd,
|
|
void *(*getElemDataArray)(DerivedMesh *, int))
|
|
{
|
|
int type;
|
|
|
|
for (type = 0; type < CD_NUMTYPES; type++) {
|
|
if (CustomData_has_layer(cd, type)) {
|
|
/* note: doesnt account for multiple layers */
|
|
const char *name = CustomData_layertype_name(type);
|
|
const int size = CustomData_sizeof(type);
|
|
const void *pt = getElemDataArray(dm, type);
|
|
const int pt_size = pt ? (int)(MEM_allocN_len(pt) / size) : 0;
|
|
const char *structname;
|
|
int structnum;
|
|
CustomData_file_write_info(type, &structname, &structnum);
|
|
BLI_dynstr_appendf(dynstr,
|
|
" dict(name='%s', struct='%s', type=%d, ptr='%p', elem=%d, length=%d),\n",
|
|
name, structname, type, (void *)pt, size, pt_size);
|
|
}
|
|
}
|
|
}
|
|
|
|
char *DM_debug_info(DerivedMesh *dm)
|
|
{
|
|
DynStr *dynstr = BLI_dynstr_new();
|
|
char *ret;
|
|
const char *tstr;
|
|
|
|
BLI_dynstr_appendf(dynstr, "{\n");
|
|
BLI_dynstr_appendf(dynstr, " 'ptr': '%p',\n", (void *)dm);
|
|
switch (dm->type) {
|
|
case DM_TYPE_CDDM: tstr = "DM_TYPE_CDDM"; break;
|
|
case DM_TYPE_EDITBMESH: tstr = "DM_TYPE_EDITMESH"; break;
|
|
case DM_TYPE_CCGDM: tstr = "DM_TYPE_CCGDM"; break;
|
|
default: tstr = "UNKNOWN"; break;
|
|
}
|
|
BLI_dynstr_appendf(dynstr, " 'type': '%s',\n", tstr);
|
|
BLI_dynstr_appendf(dynstr, " 'numVertData': %d,\n", dm->numVertData);
|
|
BLI_dynstr_appendf(dynstr, " 'numEdgeData': %d,\n", dm->numEdgeData);
|
|
BLI_dynstr_appendf(dynstr, " 'numTessFaceData': %d,\n", dm->numTessFaceData);
|
|
BLI_dynstr_appendf(dynstr, " 'numPolyData': %d,\n", dm->numPolyData);
|
|
BLI_dynstr_appendf(dynstr, " 'deformedOnly': %d,\n", dm->deformedOnly);
|
|
|
|
BLI_dynstr_appendf(dynstr, " 'vertexLayers': (\n");
|
|
dm_debug_info_layers(dynstr, dm, &dm->vertData, dm->getVertDataArray);
|
|
BLI_dynstr_appendf(dynstr, " ),\n");
|
|
|
|
BLI_dynstr_appendf(dynstr, " 'edgeLayers': (\n");
|
|
dm_debug_info_layers(dynstr, dm, &dm->edgeData, dm->getEdgeDataArray);
|
|
BLI_dynstr_appendf(dynstr, " ),\n");
|
|
|
|
BLI_dynstr_appendf(dynstr, " 'loopLayers': (\n");
|
|
dm_debug_info_layers(dynstr, dm, &dm->loopData, dm->getLoopDataArray);
|
|
BLI_dynstr_appendf(dynstr, " ),\n");
|
|
|
|
BLI_dynstr_appendf(dynstr, " 'polyLayers': (\n");
|
|
dm_debug_info_layers(dynstr, dm, &dm->polyData, dm->getPolyDataArray);
|
|
BLI_dynstr_appendf(dynstr, " ),\n");
|
|
|
|
BLI_dynstr_appendf(dynstr, " 'tessFaceLayers': (\n");
|
|
dm_debug_info_layers(dynstr, dm, &dm->faceData, dm->getTessFaceDataArray);
|
|
BLI_dynstr_appendf(dynstr, " ),\n");
|
|
|
|
BLI_dynstr_appendf(dynstr, "}\n");
|
|
|
|
ret = BLI_dynstr_get_cstring(dynstr);
|
|
BLI_dynstr_free(dynstr);
|
|
return ret;
|
|
}
|
|
|
|
void DM_debug_print(DerivedMesh *dm)
|
|
{
|
|
char *str = DM_debug_info(dm);
|
|
puts(str);
|
|
fflush(stdout);
|
|
MEM_freeN(str);
|
|
}
|
|
|
|
void DM_debug_print_cdlayers(CustomData *data)
|
|
{
|
|
int i;
|
|
CustomDataLayer *layer;
|
|
|
|
printf("{\n");
|
|
|
|
for (i = 0, layer = data->layers; i < data->totlayer; i++, layer++) {
|
|
|
|
const char *name = CustomData_layertype_name(layer->type);
|
|
const int size = CustomData_sizeof(layer->type);
|
|
const char *structname;
|
|
int structnum;
|
|
CustomData_file_write_info(layer->type, &structname, &structnum);
|
|
printf(" dict(name='%s', struct='%s', type=%d, ptr='%p', elem=%d, length=%d),\n",
|
|
name, structname, layer->type, (void *)layer->data, size, (int)(MEM_allocN_len(layer->data) / size));
|
|
}
|
|
|
|
printf("}\n");
|
|
}
|
|
|
|
bool DM_is_valid(DerivedMesh *dm)
|
|
{
|
|
const bool do_verbose = true;
|
|
const bool do_fixes = false;
|
|
|
|
bool is_valid = true;
|
|
bool changed = true;
|
|
|
|
is_valid &= BKE_mesh_validate_all_customdata(
|
|
dm->getVertDataLayout(dm),
|
|
dm->getEdgeDataLayout(dm),
|
|
dm->getLoopDataLayout(dm),
|
|
dm->getPolyDataLayout(dm),
|
|
0, /* setting mask here isn't useful, gives false positives */
|
|
do_verbose, do_fixes, &changed);
|
|
|
|
is_valid &= BKE_mesh_validate_arrays(
|
|
NULL,
|
|
dm->getVertArray(dm), dm->getNumVerts(dm),
|
|
dm->getEdgeArray(dm), dm->getNumEdges(dm),
|
|
dm->getTessFaceArray(dm), dm->getNumTessFaces(dm),
|
|
dm->getLoopArray(dm), dm->getNumLoops(dm),
|
|
dm->getPolyArray(dm), dm->getNumPolys(dm),
|
|
dm->getVertDataArray(dm, CD_MDEFORMVERT),
|
|
do_verbose, do_fixes, &changed);
|
|
|
|
BLI_assert(changed == false);
|
|
|
|
return is_valid;
|
|
}
|
|
|
|
#endif /* NDEBUG */
|
|
|
|
/* -------------------------------------------------------------------- */
|
|
|
|
MVert *DM_get_vert_array(DerivedMesh *dm, bool *allocated)
|
|
{
|
|
CustomData *vert_data = dm->getVertDataLayout(dm);
|
|
MVert *mvert = CustomData_get_layer(vert_data, CD_MVERT);
|
|
*allocated = false;
|
|
|
|
if (mvert == NULL) {
|
|
mvert = MEM_mallocN(sizeof(MVert) * dm->getNumVerts(dm), "dmvh vert data array");
|
|
dm->copyVertArray(dm, mvert);
|
|
*allocated = true;
|
|
}
|
|
|
|
return mvert;
|
|
}
|
|
|
|
MEdge *DM_get_edge_array(DerivedMesh *dm, bool *allocated)
|
|
{
|
|
CustomData *edge_data = dm->getEdgeDataLayout(dm);
|
|
MEdge *medge = CustomData_get_layer(edge_data, CD_MEDGE);
|
|
*allocated = false;
|
|
|
|
if (medge == NULL) {
|
|
medge = MEM_mallocN(sizeof(MEdge) * dm->getNumEdges(dm), "dm medge data array");
|
|
dm->copyEdgeArray(dm, medge);
|
|
*allocated = true;
|
|
}
|
|
|
|
return medge;
|
|
}
|
|
|
|
MLoop *DM_get_loop_array(DerivedMesh *dm, bool *allocated)
|
|
{
|
|
CustomData *loop_data = dm->getEdgeDataLayout(dm);
|
|
MLoop *mloop = CustomData_get_layer(loop_data, CD_MLOOP);
|
|
*allocated = false;
|
|
|
|
if (mloop == NULL) {
|
|
mloop = MEM_mallocN(sizeof(MLoop) * dm->getNumLoops(dm), "dm loop data array");
|
|
dm->copyLoopArray(dm, mloop);
|
|
*allocated = true;
|
|
}
|
|
|
|
return mloop;
|
|
}
|
|
|
|
MPoly *DM_get_poly_array(DerivedMesh *dm, bool *allocated)
|
|
{
|
|
CustomData *poly_data = dm->getPolyDataLayout(dm);
|
|
MPoly *mpoly = CustomData_get_layer(poly_data, CD_MPOLY);
|
|
*allocated = false;
|
|
|
|
if (mpoly == NULL) {
|
|
mpoly = MEM_mallocN(sizeof(MPoly) * dm->getNumPolys(dm), "dm poly data array");
|
|
dm->copyPolyArray(dm, mpoly);
|
|
*allocated = true;
|
|
}
|
|
|
|
return mpoly;
|
|
}
|
|
|
|
MFace *DM_get_tessface_array(DerivedMesh *dm, bool *allocated)
|
|
{
|
|
CustomData *tessface_data = dm->getTessFaceDataLayout(dm);
|
|
MFace *mface = CustomData_get_layer(tessface_data, CD_MFACE);
|
|
*allocated = false;
|
|
|
|
if (mface == NULL) {
|
|
int numTessFaces = dm->getNumTessFaces(dm);
|
|
|
|
if (numTessFaces > 0) {
|
|
mface = MEM_mallocN(sizeof(MFace) * numTessFaces, "bvh mface data array");
|
|
dm->copyTessFaceArray(dm, mface);
|
|
*allocated = true;
|
|
}
|
|
}
|
|
|
|
return mface;
|
|
}
|