Sybren A. Stüvel
334b55fd2e
The contents of the ModifierEvalContext struct are constant while iterating over the modifier stack. The struct thus should be only created once, outside any loop over the modifiers.
3373 lines
98 KiB
C
3373 lines
98 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_material_types.h"
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#include "DNA_mesh_types.h"
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#include "DNA_meshdata_types.h"
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#include "DNA_object_types.h"
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#include "DNA_scene_types.h"
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#include "BLI_array.h"
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#include "BLI_blenlib.h"
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#include "BLI_bitmap.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 "BLI_task.h"
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#include "BKE_cdderivedmesh.h"
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#include "BKE_colorband.h"
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#include "BKE_editmesh.h"
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#include "BKE_key.h"
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#include "BKE_layer.h"
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#include "BKE_library.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_mesh_tangent.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_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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#include "BLI_sys_types.h" /* for intptr_t support */
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#include "DEG_depsgraph.h"
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#include "DEG_depsgraph_query.h"
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#ifdef WITH_OPENSUBDIV
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# include "DNA_userdef_types.h"
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#endif
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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 ThreadRWMutex loops_cache_lock = PTHREAD_RWLOCK_INITIALIZER;
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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_malloc_arrayN(dm->getNumVerts(dm), sizeof(*tmp),
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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_malloc_arrayN(dm->getNumEdges(dm), sizeof(*tmp),
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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_malloc_arrayN(dm->getNumTessFaces(dm), sizeof(*tmp),
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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_malloc_arrayN(dm->getNumLoops(dm), sizeof(*tmp),
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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_malloc_arrayN(dm->getNumPolys(dm), sizeof(*tmp),
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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 int dm_getNumLoopTri(DerivedMesh *dm)
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{
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const int numlooptris = poly_to_tri_count(dm->getNumPolys(dm), dm->getNumLoops(dm));
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BLI_assert(ELEM(dm->looptris.num, 0, numlooptris));
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return numlooptris;
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}
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static const MLoopTri *dm_getLoopTriArray(DerivedMesh *dm)
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{
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MLoopTri *looptri;
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BLI_rw_mutex_lock(&loops_cache_lock, THREAD_LOCK_READ);
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looptri = dm->looptris.array;
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BLI_rw_mutex_unlock(&loops_cache_lock);
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if (looptri != NULL) {
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BLI_assert(dm->getNumLoopTri(dm) == dm->looptris.num);
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}
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else {
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BLI_rw_mutex_lock(&loops_cache_lock, THREAD_LOCK_WRITE);
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/* We need to ensure array is still NULL inside mutex-protected code, some other thread might have already
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* recomputed those looptris. */
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if (dm->looptris.array == NULL) {
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dm->recalcLoopTri(dm);
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}
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looptri = dm->looptris.array;
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BLI_rw_mutex_unlock(&loops_cache_lock);
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}
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return looptri;
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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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/**
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* Utility function to initialize a DerivedMesh's function pointers to
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* the default implementation (for those functions which have a default)
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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->getLoopTriArray = dm_getLoopTriArray;
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/* subtypes handle getting actual data */
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dm->getNumLoopTri = dm_getNumLoopTri;
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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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/**
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* Utility function to initialize a DerivedMesh for the desired number
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* of vertices, edges and faces (doesn't allocate memory for them, just
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* sets up the custom data layers)
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*/
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void DM_init(
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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->dirty = 0;
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/* don't use CustomData_reset(...); because we dont want to touch customdata */
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copy_vn_i(dm->vertData.typemap, CD_NUMTYPES, -1);
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copy_vn_i(dm->edgeData.typemap, CD_NUMTYPES, -1);
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copy_vn_i(dm->faceData.typemap, CD_NUMTYPES, -1);
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copy_vn_i(dm->loopData.typemap, CD_NUMTYPES, -1);
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copy_vn_i(dm->polyData.typemap, CD_NUMTYPES, -1);
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}
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/**
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* Utility function to initialize a DerivedMesh for the desired number
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* of vertices, edges and faces, with a layer setup copied from source
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*/
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void DM_from_template_ex(
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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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CustomDataMask mask)
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{
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CustomData_copy(&source->vertData, &dm->vertData, mask, CD_CALLOC, numVerts);
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CustomData_copy(&source->edgeData, &dm->edgeData, mask, CD_CALLOC, numEdges);
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CustomData_copy(&source->faceData, &dm->faceData, mask, CD_CALLOC, numTessFaces);
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CustomData_copy(&source->loopData, &dm->loopData, mask, CD_CALLOC, numLoops);
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CustomData_copy(&source->polyData, &dm->polyData, mask, 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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void DM_from_template(
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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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DM_from_template_ex(
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dm, source, type,
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numVerts, numEdges, numTessFaces,
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numLoops, numPolys,
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CD_MASK_DERIVEDMESH);
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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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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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MEM_SAFE_FREE(dm->looptris.array);
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dm->looptris.num = 0;
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dm->looptris.num_alloc = 0;
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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, const bool use_split_normals, float split_angle)
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{
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dm->calcLoopNormals(dm, use_split_normals, 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=%u\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) {
|
|
BLI_assert(CustomData_has_layer(&dm->faceData, CD_ORIGINDEX) || numTessFaces == 0);
|
|
DM_update_tessface_data(dm);
|
|
}
|
|
|
|
dm->dirty &= ~DM_DIRTY_TESS_CDLAYERS;
|
|
}
|
|
|
|
/**
|
|
* Ensure the array is large enough
|
|
*
|
|
* /note This function must always be thread-protected by caller. It should only be used by internal code.
|
|
*/
|
|
void DM_ensure_looptri_data(DerivedMesh *dm)
|
|
{
|
|
const unsigned int totpoly = dm->numPolyData;
|
|
const unsigned int totloop = dm->numLoopData;
|
|
const int looptris_num = poly_to_tri_count(totpoly, totloop);
|
|
|
|
BLI_assert(dm->looptris.array_wip == NULL);
|
|
|
|
SWAP(MLoopTri *, dm->looptris.array, dm->looptris.array_wip);
|
|
|
|
if ((looptris_num > dm->looptris.num_alloc) ||
|
|
(looptris_num < dm->looptris.num_alloc * 2) ||
|
|
(totpoly == 0))
|
|
{
|
|
MEM_SAFE_FREE(dm->looptris.array_wip);
|
|
dm->looptris.num_alloc = 0;
|
|
dm->looptris.num = 0;
|
|
}
|
|
|
|
if (totpoly) {
|
|
if (dm->looptris.array_wip == NULL) {
|
|
dm->looptris.array_wip = MEM_malloc_arrayN(looptris_num, sizeof(*dm->looptris.array_wip), __func__);
|
|
dm->looptris.num_alloc = looptris_num;
|
|
}
|
|
|
|
dm->looptris.num = looptris_num;
|
|
}
|
|
}
|
|
|
|
void DM_verttri_from_looptri(MVertTri *verttri, const MLoop *mloop, const MLoopTri *looptri, int looptri_num)
|
|
{
|
|
int i;
|
|
for (i = 0; i < looptri_num; i++) {
|
|
verttri[i].tri[0] = mloop[looptri[i].tri[0]].v;
|
|
verttri[i].tri[1] = mloop[looptri[i].tri[1]].v;
|
|
verttri[i].tri[2] = mloop[looptri[i].tri[2]].v;
|
|
}
|
|
}
|
|
|
|
/* Update tessface CD data from loop/poly ones. Needed when not retessellating after modstack evaluation. */
|
|
/* NOTE: Assumes dm has valid tessellated data! */
|
|
void DM_update_tessface_data(DerivedMesh *dm)
|
|
{
|
|
MFace *mf, *mface = dm->getTessFaceArray(dm);
|
|
MPoly *mp = dm->getPolyArray(dm);
|
|
MLoop *ml = dm->getLoopArray(dm);
|
|
|
|
CustomData *fdata = dm->getTessFaceDataLayout(dm);
|
|
CustomData *ldata = dm->getLoopDataLayout(dm);
|
|
|
|
const int totface = dm->getNumTessFaces(dm);
|
|
int mf_idx;
|
|
|
|
int *polyindex = CustomData_get_layer(fdata, CD_ORIGINDEX);
|
|
unsigned int (*loopindex)[4];
|
|
|
|
/* Should never occure, but better abort than segfault! */
|
|
if (!polyindex)
|
|
return;
|
|
|
|
CustomData_from_bmeshpoly(fdata, ldata, totface);
|
|
|
|
if (CustomData_has_layer(fdata, CD_MTFACE) ||
|
|
CustomData_has_layer(fdata, CD_MCOL) ||
|
|
CustomData_has_layer(fdata, CD_PREVIEW_MCOL) ||
|
|
CustomData_has_layer(fdata, CD_ORIGSPACE) ||
|
|
CustomData_has_layer(fdata, CD_TESSLOOPNORMAL) ||
|
|
CustomData_has_layer(fdata, CD_TANGENT))
|
|
{
|
|
loopindex = MEM_malloc_arrayN(totface, sizeof(*loopindex), __func__);
|
|
|
|
for (mf_idx = 0, mf = mface; mf_idx < totface; mf_idx++, mf++) {
|
|
const int mf_len = mf->v4 ? 4 : 3;
|
|
unsigned int *ml_idx = loopindex[mf_idx];
|
|
int i, not_done;
|
|
|
|
/* Find out loop indices. */
|
|
/* NOTE: This assumes tessface are valid and in sync with loop/poly... Else, most likely, segfault! */
|
|
for (i = mp[polyindex[mf_idx]].loopstart, not_done = mf_len; not_done; i++) {
|
|
const int tf_v = BKE_MESH_TESSFACE_VINDEX_ORDER(mf, ml[i].v);
|
|
if (tf_v != -1) {
|
|
ml_idx[tf_v] = i;
|
|
not_done--;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* NOTE: quad detection issue - fourth vertidx vs fourth loopidx:
|
|
* Here, our tfaces' fourth vertex index is never 0 for a quad. However, we know our fourth loop index may be
|
|
* 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, 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_generate_tangent_tessface_data(DerivedMesh *dm, bool generate)
|
|
{
|
|
MFace *mf, *mface = dm->getTessFaceArray(dm);
|
|
MPoly *mp = dm->getPolyArray(dm);
|
|
MLoop *ml = dm->getLoopArray(dm);
|
|
|
|
CustomData *fdata = dm->getTessFaceDataLayout(dm);
|
|
CustomData *ldata = dm->getLoopDataLayout(dm);
|
|
|
|
const int totface = dm->getNumTessFaces(dm);
|
|
int mf_idx;
|
|
|
|
int *polyindex = CustomData_get_layer(fdata, CD_ORIGINDEX);
|
|
unsigned int (*loopindex)[4] = NULL;
|
|
|
|
/* Should never occure, but better abort than segfault! */
|
|
if (!polyindex)
|
|
return;
|
|
|
|
if (generate) {
|
|
for (int j = 0; j < ldata->totlayer; j++) {
|
|
if (ldata->layers[j].type == CD_TANGENT) {
|
|
CustomData_add_layer_named(fdata, CD_TANGENT, CD_CALLOC, NULL, totface, ldata->layers[j].name);
|
|
CustomData_bmesh_update_active_layers(fdata, ldata);
|
|
|
|
if (!loopindex) {
|
|
loopindex = MEM_malloc_arrayN(totface, sizeof(*loopindex), __func__);
|
|
for (mf_idx = 0, mf = mface; mf_idx < totface; mf_idx++, mf++) {
|
|
const int mf_len = mf->v4 ? 4 : 3;
|
|
unsigned int *ml_idx = loopindex[mf_idx];
|
|
|
|
/* Find out loop indices. */
|
|
/* NOTE: This assumes tessface are valid and in sync with loop/poly... Else, most likely, segfault! */
|
|
for (int i = mp[polyindex[mf_idx]].loopstart, not_done = mf_len; not_done; i++) {
|
|
const int tf_v = BKE_MESH_TESSFACE_VINDEX_ORDER(mf, ml[i].v);
|
|
if (tf_v != -1) {
|
|
ml_idx[tf_v] = i;
|
|
not_done--;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* NOTE: quad detection issue - fourth vertidx vs fourth loopidx:
|
|
* Here, our tfaces' fourth vertex index is never 0 for a quad. However, we know our fourth loop index may be
|
|
* 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_tangent_loops_to_tessdata(fdata, ldata, mface, polyindex, loopindex, totface, ldata->layers[j].name);
|
|
}
|
|
}
|
|
if (loopindex)
|
|
MEM_freeN(loopindex);
|
|
BLI_assert(CustomData_from_bmeshpoly_test(fdata, ldata, true));
|
|
}
|
|
|
|
if (G.debug & G_DEBUG)
|
|
printf("%s: Updated tessellated tangents of dm %p\n", __func__, dm);
|
|
}
|
|
|
|
|
|
void DM_update_materials(DerivedMesh *dm, Object *ob)
|
|
{
|
|
int i, totmat = ob->totcol + 1; /* materials start from 1, default material is 0 */
|
|
|
|
if (dm->totmat != totmat) {
|
|
dm->totmat = totmat;
|
|
/* invalidate old materials */
|
|
if (dm->mat)
|
|
MEM_freeN(dm->mat);
|
|
|
|
dm->mat = MEM_malloc_arrayN(totmat, sizeof(*dm->mat), "DerivedMesh.mat");
|
|
}
|
|
|
|
/* we leave last material as empty - rationale here is being able to index
|
|
* the materials by using the mf->mat_nr directly and leaving the last
|
|
* material as NULL in case no materials exist on mesh, so indexing will not fail */
|
|
for (i = 0; i < totmat - 1; i++) {
|
|
dm->mat[i] = give_current_material(ob, i + 1);
|
|
}
|
|
dm->mat[i] = NULL;
|
|
}
|
|
|
|
MLoopUV *DM_paint_uvlayer_active_get(DerivedMesh *dm, int mat_nr)
|
|
{
|
|
MLoopUV *uv_base;
|
|
|
|
BLI_assert(mat_nr < dm->totmat);
|
|
|
|
if (dm->mat[mat_nr] && dm->mat[mat_nr]->texpaintslot &&
|
|
dm->mat[mat_nr]->texpaintslot[dm->mat[mat_nr]->paint_active_slot].uvname)
|
|
{
|
|
uv_base = CustomData_get_layer_named(&dm->loopData, CD_MLOOPUV,
|
|
dm->mat[mat_nr]->texpaintslot[dm->mat[mat_nr]->paint_active_slot].uvname);
|
|
/* This can fail if we have changed the name in the UV layer list and have assigned the old name in the material
|
|
* texture slot.*/
|
|
if (!uv_base)
|
|
uv_base = CustomData_get_layer(&dm->loopData, CD_MLOOPUV);
|
|
}
|
|
else {
|
|
uv_base = CustomData_get_layer(&dm->loopData, CD_MLOOPUV);
|
|
}
|
|
|
|
return uv_base;
|
|
}
|
|
|
|
void DM_to_mesh(DerivedMesh *dm, Mesh *me, Object *ob, CustomDataMask mask, bool take_ownership)
|
|
{
|
|
/* 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;
|
|
int alloctype = CD_DUPLICATE;
|
|
|
|
if (take_ownership && dm->type == DM_TYPE_CDDM && dm->needsFree) {
|
|
bool has_any_referenced_layers =
|
|
CustomData_has_referenced(&dm->vertData) ||
|
|
CustomData_has_referenced(&dm->edgeData) ||
|
|
CustomData_has_referenced(&dm->loopData) ||
|
|
CustomData_has_referenced(&dm->faceData) ||
|
|
CustomData_has_referenced(&dm->polyData);
|
|
if (!has_any_referenced_layers) {
|
|
alloctype = CD_ASSIGN;
|
|
}
|
|
}
|
|
|
|
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, alloctype, totvert);
|
|
CustomData_copy(&dm->edgeData, &tmp.edata, mask, alloctype, totedge);
|
|
CustomData_copy(&dm->loopData, &tmp.ldata, mask, alloctype, totloop);
|
|
CustomData_copy(&dm->polyData, &tmp.pdata, mask, alloctype, 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,
|
|
(alloctype == CD_ASSIGN) ? dm->getVertArray(dm) : dm->dupVertArray(dm),
|
|
totvert);
|
|
}
|
|
if (!CustomData_has_layer(&tmp.edata, CD_MEDGE)) {
|
|
CustomData_add_layer(&tmp.edata, CD_MEDGE, CD_ASSIGN,
|
|
(alloctype == CD_ASSIGN) ? dm->getEdgeArray(dm) : dm->dupEdgeArray(dm),
|
|
totedge);
|
|
}
|
|
if (!CustomData_has_layer(&tmp.pdata, CD_MPOLY)) {
|
|
tmp.mloop = (alloctype == CD_ASSIGN) ? dm->getLoopArray(dm) : dm->dupLoopArray(dm);
|
|
tmp.mpoly = (alloctype == CD_ASSIGN) ? dm->getPolyArray(dm) : 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, alloctype, 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)
|
|
id_us_min(&tmp.key->id);
|
|
tmp.key = NULL;
|
|
}
|
|
|
|
/* Clear selection history */
|
|
MEM_SAFE_FREE(tmp.mselect);
|
|
tmp.totselect = 0;
|
|
BLI_assert(ELEM(tmp.bb, NULL, me->bb));
|
|
if (me->bb) {
|
|
MEM_freeN(me->bb);
|
|
tmp.bb = NULL;
|
|
}
|
|
|
|
/* skip the listbase */
|
|
MEMCPY_STRUCT_OFS(me, &tmp, id.prev);
|
|
|
|
if (take_ownership) {
|
|
if (alloctype == CD_ASSIGN) {
|
|
CustomData_free_typemask(&dm->vertData, dm->numVertData, ~mask);
|
|
CustomData_free_typemask(&dm->edgeData, dm->numEdgeData, ~mask);
|
|
CustomData_free_typemask(&dm->loopData, dm->numLoopData, ~mask);
|
|
CustomData_free_typemask(&dm->polyData, dm->numPolyData, ~mask);
|
|
}
|
|
dm->release(dm);
|
|
}
|
|
}
|
|
|
|
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_malloc_arrayN(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);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* set the CD_FLAG_NOCOPY flag in custom data layers where the mask is
|
|
* zero for the layer type, so only layer types specified by the mask
|
|
* will be copied
|
|
*/
|
|
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);
|
|
}
|
|
|
|
/**
|
|
* interpolates vertex data from the vertices indexed by src_indices in the
|
|
* source mesh using the given weights and stores the result in the vertex
|
|
* indexed by dest_index in the dest mesh
|
|
*/
|
|
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);
|
|
}
|
|
|
|
/**
|
|
* interpolates edge data from the edges indexed by src_indices in the
|
|
* source mesh using the given weights and stores the result in the edge indexed
|
|
* by dest_index in the dest mesh.
|
|
* if weights is NULL, all weights default to 1.
|
|
* if vert_weights is non-NULL, any per-vertex edge data is interpolated using
|
|
* vert_weights[i] multiplied by weights[i].
|
|
*/
|
|
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);
|
|
}
|
|
|
|
/**
|
|
* interpolates face data from the faces indexed by src_indices in the
|
|
* source mesh using the given weights and stores the result in the face indexed
|
|
* by dest_index in the dest mesh.
|
|
* if weights is NULL, all weights default to 1.
|
|
* if vert_weights is non-NULL, any per-vertex face data is interpolated using
|
|
* vert_weights[i] multiplied by weights[i].
|
|
*/
|
|
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_corners(&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(
|
|
struct Depsgraph *depsgraph, Scene *scene, Object *ob,
|
|
ModifierData *md, int build_shapekey_layers)
|
|
{
|
|
Mesh *me = ob->data;
|
|
const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
|
|
DerivedMesh *dm;
|
|
KeyBlock *kb;
|
|
ModifierEvalContext mectx = {depsgraph, ob, 0};
|
|
|
|
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_keyblock_convert_to_mesh(kb, me);
|
|
}
|
|
|
|
if (mti->type == eModifierTypeType_OnlyDeform) {
|
|
int numVerts;
|
|
/* Always get the vertex coordinates from the original mesh. Otherwise
|
|
* there is the risk of deforming already-deformed coordinates. */
|
|
Mesh *mesh_orig_id = (Mesh *)DEG_get_original_id(&me->id);
|
|
float (*deformedVerts)[3] = BKE_mesh_vertexCos_get(mesh_orig_id, &numVerts);
|
|
|
|
modwrap_deformVerts(md, &mectx, NULL, deformedVerts, numVerts);
|
|
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, &mectx, tdm);
|
|
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_malloc_arrayN(em->bm->totvert, sizeof(float) * 3, "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 && 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_calloc_arrayN(totvert, sizeof(float[3]), "dm orco");
|
|
free = 1;
|
|
|
|
if (orcodm->getNumVerts(orcodm) == totvert)
|
|
orcodm->getVertCos(orcodm, orco);
|
|
else
|
|
dm->getVertCos(dm, orco);
|
|
}
|
|
else {
|
|
/* TODO(sybren): totvert should potentially change here, as ob->data
|
|
* or em may have a different number of vertices than dm. */
|
|
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),
|
|
CALC_WP_MIRROR_X = (1 << 5),
|
|
};
|
|
|
|
typedef struct DMWeightColorInfo {
|
|
const ColorBand *coba;
|
|
const char *alert_color;
|
|
} DMWeightColorInfo;
|
|
|
|
|
|
static int dm_drawflag_calc(const ToolSettings *ts, const Mesh *me)
|
|
{
|
|
return ((ts->multipaint ? CALC_WP_MULTIPAINT : 0) |
|
|
/* CALC_WP_GROUP_USER_ACTIVE or CALC_WP_GROUP_USER_ALL */
|
|
(1 << ts->weightuser) |
|
|
(ts->auto_normalize ? CALC_WP_AUTO_NORMALIZE : 0) |
|
|
((me->editflag & ME_EDIT_MIRROR_X) ? CALC_WP_MIRROR_X : 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) {
|
|
BKE_colorband_evaluate(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],
|
|
const 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 */
|
|
input = BKE_defvert_multipaint_collective_weight(
|
|
dv, defbase_tot, defbase_sel, defbase_sel_tot, (draw_flag & CALC_WP_AUTO_NORMALIZE) != 0);
|
|
|
|
/* make it black if the selected groups have no weight on a vertex */
|
|
if (input == 0.0f) {
|
|
show_alert_color = true;
|
|
}
|
|
}
|
|
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])
|
|
{
|
|
BMEditMesh *em = (dm->type == DM_TYPE_EDITBMESH) ? BKE_editmesh_from_object(ob) : NULL;
|
|
const int numVerts = dm->getNumVerts(dm);
|
|
|
|
if ((ob->actdef != 0) &&
|
|
(CustomData_has_layer(em ? &em->bm->vdata : &dm->vertData, CD_MDEFORMVERT)))
|
|
{
|
|
unsigned char (*wc)[4] = r_wtcol_v;
|
|
unsigned int i;
|
|
|
|
/* variables for multipaint */
|
|
const int defbase_tot = BLI_listbase_count(&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_object_defgroup_selected_get(ob, defbase_tot, &defbase_sel_tot);
|
|
|
|
if (defbase_sel_tot > 1 && (draw_flag & CALC_WP_MIRROR_X)) {
|
|
BKE_object_defgroup_mirror_selection(ob, defbase_tot, defbase_sel, defbase_sel, &defbase_sel_tot);
|
|
}
|
|
}
|
|
|
|
/* editmesh won't have deform verts unless modifiers require it,
|
|
* avoid having to create an array of deform-verts only for drawing
|
|
* by reading from the bmesh directly. */
|
|
if (em) {
|
|
BMIter iter;
|
|
BMVert *eve;
|
|
const int cd_dvert_offset = CustomData_get_offset(&em->bm->vdata, CD_MDEFORMVERT);
|
|
BLI_assert(cd_dvert_offset != -1);
|
|
|
|
BM_ITER_MESH_INDEX (eve, &iter, em->bm, BM_VERTS_OF_MESH, i) {
|
|
const MDeformVert *dv = BM_ELEM_CD_GET_VOID_P(eve, cd_dvert_offset);
|
|
calc_weightpaint_vert_color(
|
|
(unsigned char *)wc, dv, dm_wcinfo,
|
|
defbase_tot, defbase_act, defbase_sel, defbase_sel_tot, draw_flag);
|
|
wc++;
|
|
}
|
|
}
|
|
else {
|
|
const MDeformVert *dv = DM_get_vert_data_layer(dm, CD_MDEFORMVERT);
|
|
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 {
|
|
unsigned char col[4];
|
|
if ((ob->actdef == 0) && !BLI_listbase_is_empty(&ob->defbase)) {
|
|
/* color-code for missing data (full brightness isn't easy on the eye). */
|
|
ARRAY_SET_ITEMS(col, 0xa0, 0, 0xa0, 0xff);
|
|
}
|
|
else if (draw_flag & (CALC_WP_GROUP_USER_ACTIVE | CALC_WP_GROUP_USER_ALL)) {
|
|
copy_v3_v3_char((char *)col, dm_wcinfo->alert_color);
|
|
col[3] = 255;
|
|
}
|
|
else {
|
|
weightpaint_color(col, dm_wcinfo, 0.0f);
|
|
}
|
|
copy_vn_i((int *)r_wtcol_v, numVerts, *((int *)col));
|
|
}
|
|
}
|
|
|
|
/** 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_malloc_arrayN(numVerts, sizeof(*wtcol_v), __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_calloc_arrayN(numVerts, sizeof(float), "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_malloc_arrayN(dm_totloop, sizeof(*wtcol_l), __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_uchar(&wtcol_l[l_index][0],
|
|
&wtcol_v[ml->v][0]);
|
|
}
|
|
}
|
|
MEM_freeN(wtcol_v);
|
|
|
|
dm->dirty |= DM_DIRTY_TESS_CDLAYERS;
|
|
}
|
|
}
|
|
|
|
static void DM_update_statvis_color(const 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_malloc_arrayN(kb->totelem, 3 * sizeof(float), "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_calloc_arrayN(kb->totelem, 3 * sizeof(float), "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;
|
|
|
|
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_calloc_arrayN((size_t)me->totvert, 3 * sizeof(float), __func__);
|
|
}
|
|
else {
|
|
array = MEM_malloc_arrayN((size_t)me->totvert, 3 * sizeof(float), __func__);
|
|
memcpy(array, kb->data, (size_t)me->totvert * 3 * sizeof(float));
|
|
}
|
|
|
|
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)
|
|
{
|
|
/* Note: dm *may* have a poly CD_NORMAL layer (generated by a modifier needing poly normals e.g.).
|
|
* We do not use it here, though. And it should be tagged as temp!
|
|
*/
|
|
/* 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->polyData, 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);
|
|
}
|
|
}
|
|
|
|
static void mesh_calc_modifiers(
|
|
struct Depsgraph *depsgraph, Scene *scene, Object *ob, float (*inputVertexCos)[3],
|
|
const bool useRenderParams, int useDeform,
|
|
const bool need_mapping, CustomDataMask dataMask,
|
|
const int index, const bool useCache, const bool build_shapekey_layers,
|
|
const bool allow_gpu,
|
|
/* return args */
|
|
DerivedMesh **r_deform, DerivedMesh **r_final)
|
|
{
|
|
Mesh *me = ob->data;
|
|
/* Always get the vertex coordinates from the original mesh. Otherwise
|
|
* there is the risk of deforming already-deformed coordinates. */
|
|
Mesh *mesh_orig_id = (Mesh *)DEG_get_original_id(&me->id);
|
|
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;
|
|
const int required_mode = useRenderParams ? eModifierMode_Render : eModifierMode_Realtime;
|
|
bool isPrevDeform = false;
|
|
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 && !useRenderParams;
|
|
const bool sculpt_dyntopo = (sculpt_mode && ob->sculpt->bm) && !useRenderParams;
|
|
const int draw_flag = dm_drawflag_calc(scene->toolsettings, me);
|
|
|
|
/* 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_MLOOPCOL) && (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) != 0;
|
|
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 (allow_gpu)
|
|
app_flags |= MOD_APPLY_ALLOW_GPU;
|
|
if (useDeform)
|
|
deform_app_flags |= MOD_APPLY_USECACHE;
|
|
|
|
/* TODO(sybren): do we really need three context objects? Or do we modify
|
|
* them on the fly to change the flags where needed? */
|
|
const ModifierEvalContext mectx_deform = {depsgraph, ob, deform_app_flags};
|
|
const ModifierEvalContext mectx_apply = {depsgraph, ob, app_flags};
|
|
const ModifierEvalContext mectx_orco = {depsgraph, ob, (app_flags & ~MOD_APPLY_USECACHE) | MOD_APPLY_ORCO};
|
|
|
|
md = firstmd = modifiers_getVirtualModifierList(ob, &virtualModifierData);
|
|
|
|
modifiers_clearErrors(ob);
|
|
|
|
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 (r_deform) {
|
|
*r_deform = NULL;
|
|
}
|
|
*r_final = NULL;
|
|
|
|
if (useDeform) {
|
|
if (inputVertexCos)
|
|
deformedVerts = inputVertexCos;
|
|
|
|
/* Apply all leading deforming modifiers */
|
|
for (; md; md = md->next, curr = curr->next) {
|
|
const 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(mesh_orig_id, &numVerts);
|
|
|
|
modwrap_deformVerts(md, &mectx_deform, NULL, deformedVerts, numVerts);
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
|
|
/* grab modifiers until index i */
|
|
if ((index != -1) && (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 (r_deform) {
|
|
*r_deform = CDDM_from_mesh(me);
|
|
|
|
if (build_shapekey_layers)
|
|
add_shapekey_layers(dm, me, ob);
|
|
|
|
if (deformedVerts) {
|
|
CDDM_apply_vert_coords(*r_deform, deformedVerts);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
/* default behavior for meshes */
|
|
if (inputVertexCos)
|
|
deformedVerts = inputVertexCos;
|
|
else
|
|
deformedVerts = BKE_mesh_vertexCos_get(mesh_orig_id, &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) {
|
|
const 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 (need_mapping && !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_malloc_arrayN(numVerts, sizeof(*deformedVerts), "dfmv");
|
|
dm->getVertCos(dm, deformedVerts);
|
|
}
|
|
else {
|
|
deformedVerts = BKE_mesh_vertexCos_get(mesh_orig_id, &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, &mectx_deform, dm, deformedVerts, numVerts);
|
|
}
|
|
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 (need_mapping || (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);
|
|
|
|
/* Not worth parallelizing this, gives less than 0.1% overall speedup in best of best cases... */
|
|
range_vn_i(DM_get_vert_data_layer(dm, CD_ORIGINDEX), dm->numVertData, 0);
|
|
range_vn_i(DM_get_edge_data_layer(dm, CD_ORIGINDEX), dm->numEdgeData, 0);
|
|
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 it's
|
|
* possible that it won't be copied */
|
|
mask |= append_mask;
|
|
DM_set_only_copy(dm, mask | (need_mapping ? CD_MASK_ORIGINDEX : 0));
|
|
|
|
/* add cloth rest shape key if needed */
|
|
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, &mectx_apply, dm);
|
|
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, &mectx_orco, orcodm);
|
|
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, &mectx_orco, clothorcodm);
|
|
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;
|
|
}
|
|
|
|
dm->deformedOnly = false;
|
|
}
|
|
|
|
isPrevDeform = (mti->type == eModifierTypeType_OnlyDeform);
|
|
|
|
/* grab modifiers until index i */
|
|
if ((index != -1) && (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 (r_deform && *r_deform)
|
|
add_orco_dm(ob, NULL, *r_deform, 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, do_loop_normals, loop_normals_split_angle);
|
|
}
|
|
|
|
if (sculpt_dyntopo == false) {
|
|
/* watch this! after 2.75a we move to from tessface to looptri (by default) */
|
|
if (dataMask & CD_MASK_MFACE) {
|
|
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);
|
|
}
|
|
}
|
|
|
|
/* Some modifiers, like datatransfer, may generate those data as temp layer, we do not want to keep them,
|
|
* as they are used by display code when available (i.e. even if autosmooth is disabled). */
|
|
if (!do_loop_normals && CustomData_has_layer(&finaldm->loopData, CD_NORMAL)) {
|
|
CustomData_free_layers(&finaldm->loopData, CD_NORMAL, finaldm->numLoopData);
|
|
}
|
|
|
|
*r_final = 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_malloc_arrayN(em->bm->totvert, 3 * sizeof(float), "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)
|
|
{
|
|
const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
|
|
const int required_mode = eModifierMode_Realtime | eModifierMode_Editmode;
|
|
|
|
if (!modifier_isEnabled(scene, md, required_mode)) {
|
|
return false;
|
|
}
|
|
|
|
if ((mti->flags & eModifierTypeFlag_RequiresOriginalData) && dm) {
|
|
modifier_setError(md, "Modifier requires original data, bad stack position");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static void editbmesh_calc_modifiers(
|
|
struct Depsgraph *depsgraph, Scene *scene, Object *ob,
|
|
BMEditMesh *em, CustomDataMask dataMask,
|
|
/* return args */
|
|
DerivedMesh **r_cage, DerivedMesh **r_final)
|
|
{
|
|
ModifierData *md, *previewmd = NULL;
|
|
float (*deformedVerts)[3] = NULL;
|
|
CustomDataMask mask = 0, previewmask = 0, append_mask = 0;
|
|
DerivedMesh *dm = NULL, *orcodm = NULL;
|
|
int i, numVerts = 0, cageIndex = modifiers_getCageIndex(scene, ob, NULL, 1);
|
|
CDMaskLink *datamasks, *curr;
|
|
const int required_mode = eModifierMode_Realtime | eModifierMode_Editmode;
|
|
int draw_flag = dm_drawflag_calc(scene->toolsettings, ob->data);
|
|
|
|
// 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;
|
|
|
|
/* TODO(sybren): do we really need multiple objects, or shall we change the flags where needed? */
|
|
const ModifierEvalContext mectx = {depsgraph, ob, 0};
|
|
const ModifierEvalContext mectx_orco = {depsgraph, ob, MOD_APPLY_ORCO};
|
|
const ModifierEvalContext mectx_cache_gpu = {depsgraph, ob, MOD_APPLY_USECACHE | MOD_APPLY_ALLOW_GPU};
|
|
|
|
const bool do_loop_normals = (((Mesh *)(ob->data))->flag & ME_AUTOSMOOTH) != 0;
|
|
const float loop_normals_split_angle = ((Mesh *)(ob->data))->smoothresh;
|
|
|
|
modifiers_clearErrors(ob);
|
|
|
|
if (r_cage && cageIndex == -1) {
|
|
*r_cage = getEditDerivedBMesh(em, ob, dataMask, 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) {
|
|
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) {
|
|
const 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_malloc_arrayN(numVerts, sizeof(*deformedVerts), "dfmv");
|
|
dm->getVertCos(dm, deformedVerts);
|
|
}
|
|
else {
|
|
deformedVerts = editbmesh_get_vertex_cos(em, &numVerts);
|
|
}
|
|
}
|
|
|
|
if (mti->deformVertsEM || mti->deformVertsEM_DM)
|
|
modwrap_deformVertsEM(md, &mectx, em, dm, deformedVerts, numVerts);
|
|
else
|
|
modwrap_deformVerts(md, &mectx, dm, deformedVerts, numVerts);
|
|
}
|
|
else {
|
|
DerivedMesh *ndm;
|
|
|
|
/* apply vertex coordinates or build a DerivedMesh as necessary */
|
|
if (dm) {
|
|
if (deformedVerts) {
|
|
DerivedMesh *tdm = CDDM_copy(dm);
|
|
if (!(r_cage && dm == *r_cage)) {
|
|
dm->release(dm);
|
|
}
|
|
dm = tdm;
|
|
|
|
CDDM_apply_vert_coords(dm, deformedVerts);
|
|
}
|
|
else if (r_cage && dm == *r_cage) {
|
|
/* 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 || mti->applyModifierEM_DM) {
|
|
ndm = modwrap_applyModifierEM(md, &mectx_orco, em, orcodm);
|
|
}
|
|
else {
|
|
ndm = modwrap_applyModifier(md, &mectx_orco, orcodm);
|
|
}
|
|
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 || mti->applyModifierEM_DM)
|
|
ndm = modwrap_applyModifierEM(md, &mectx_cache_gpu, em, dm);
|
|
else
|
|
ndm = modwrap_applyModifier(md, &mectx_cache_gpu, dm);
|
|
ASSERT_IS_VALID_DM(ndm);
|
|
|
|
if (ndm) {
|
|
if (dm && dm != ndm)
|
|
dm->release(dm);
|
|
|
|
dm = ndm;
|
|
|
|
if (deformedVerts) {
|
|
MEM_freeN(deformedVerts);
|
|
deformedVerts = NULL;
|
|
}
|
|
}
|
|
|
|
dm->deformedOnly = false;
|
|
}
|
|
|
|
/* 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 (r_cage && i == cageIndex) {
|
|
if (dm && deformedVerts) {
|
|
*r_cage = CDDM_copy(dm);
|
|
CDDM_apply_vert_coords(*r_cage, deformedVerts);
|
|
}
|
|
else if (dm) {
|
|
*r_cage = dm;
|
|
}
|
|
else {
|
|
struct Mesh *mesh = ob->data;
|
|
if (mesh->id.tag & LIB_TAG_COPY_ON_WRITE) {
|
|
BKE_mesh_ensure_edit_data(mesh);
|
|
mesh->emd->vertexCos = MEM_dupallocN(deformedVerts);
|
|
}
|
|
*r_cage = getEditDerivedBMesh(
|
|
em, ob, mask,
|
|
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) {
|
|
*r_final = CDDM_copy(dm);
|
|
|
|
if (!(r_cage && dm == *r_cage)) {
|
|
dm->release(dm);
|
|
}
|
|
|
|
CDDM_apply_vert_coords(*r_final, deformedVerts);
|
|
}
|
|
else if (dm) {
|
|
*r_final = dm;
|
|
}
|
|
else if (!deformedVerts && r_cage && *r_cage) {
|
|
/* cage should already have up to date normals */
|
|
*r_final = *r_cage;
|
|
|
|
/* In this case, we should never have weight-modifying modifiers in stack... */
|
|
if (do_init_wmcol)
|
|
DM_update_weight_mcol(ob, *r_final, draw_flag, NULL, 0, NULL);
|
|
if (do_init_statvis)
|
|
DM_update_statvis_color(scene, ob, *r_final);
|
|
}
|
|
else {
|
|
/* this is just a copy of the editmesh, no need to calc normals */
|
|
struct Mesh *mesh = ob->data;
|
|
if (mesh->id.tag & LIB_TAG_COPY_ON_WRITE) {
|
|
BKE_mesh_ensure_edit_data(mesh);
|
|
if (mesh->emd->vertexCos != NULL)
|
|
MEM_freeN((void *)mesh->emd->vertexCos);
|
|
mesh->emd->vertexCos = MEM_dupallocN(deformedVerts);
|
|
}
|
|
*r_final = getEditDerivedBMesh(em, ob, dataMask, deformedVerts);
|
|
deformedVerts = NULL;
|
|
|
|
/* In this case, we should never have weight-modifying modifiers in stack... */
|
|
if (do_init_wmcol)
|
|
DM_update_weight_mcol(ob, *r_final, draw_flag, NULL, 0, NULL);
|
|
if (do_init_statvis)
|
|
DM_update_statvis_color(scene, ob, *r_final);
|
|
}
|
|
|
|
if (do_loop_normals) {
|
|
/* Compute loop normals */
|
|
DM_calc_loop_normals(*r_final, do_loop_normals, loop_normals_split_angle);
|
|
if (r_cage && *r_cage && (*r_cage != *r_final)) {
|
|
DM_calc_loop_normals(*r_cage, do_loop_normals, 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 (dataMask & CD_MASK_MFACE) {
|
|
if ((*r_final)->type != DM_TYPE_EDITBMESH) {
|
|
DM_ensure_tessface(*r_final);
|
|
}
|
|
if (r_cage && *r_cage) {
|
|
if ((*r_cage)->type != DM_TYPE_EDITBMESH) {
|
|
if (*r_cage != *r_final) {
|
|
DM_ensure_tessface(*r_cage);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/* --- */
|
|
|
|
/* same as mesh_calc_modifiers (if using loop normals, poly nors have already been computed). */
|
|
if (!do_loop_normals) {
|
|
dm_ensure_display_normals(*r_final);
|
|
|
|
/* Some modifiers, like datatransfer, may generate those data, we do not want to keep them,
|
|
* as they are used by display code when available (i.e. even if autosmooth is disabled). */
|
|
if (CustomData_has_layer(&(*r_final)->loopData, CD_NORMAL)) {
|
|
CustomData_free_layers(&(*r_final)->loopData, CD_NORMAL, (*r_final)->numLoopData);
|
|
}
|
|
if (r_cage && CustomData_has_layer(&(*r_cage)->loopData, CD_NORMAL)) {
|
|
CustomData_free_layers(&(*r_cage)->loopData, CD_NORMAL, (*r_cage)->numLoopData);
|
|
}
|
|
}
|
|
|
|
/* add an orco layer if needed */
|
|
if (dataMask & CD_MASK_ORCO)
|
|
add_orco_dm(ob, em, *r_final, orcodm, CD_ORCO);
|
|
|
|
if (orcodm)
|
|
orcodm->release(orcodm);
|
|
|
|
if (deformedVerts)
|
|
MEM_freeN(deformedVerts);
|
|
}
|
|
|
|
#ifdef WITH_OPENSUBDIV
|
|
/* The idea is to skip CPU-side ORCO calculation when
|
|
* we'll be using GPU backend of OpenSubdiv. This is so
|
|
* playback performance is kept as high as possible.
|
|
*/
|
|
static bool calc_modifiers_skip_orco(Depsgraph *depsgraph,
|
|
Scene *scene,
|
|
Object *ob,
|
|
bool use_render_params)
|
|
{
|
|
ModifierData *last_md = ob->modifiers.last;
|
|
const int required_mode = use_render_params ? eModifierMode_Render : eModifierMode_Realtime;
|
|
if (last_md != NULL &&
|
|
last_md->type == eModifierType_Subsurf &&
|
|
modifier_isEnabled(scene, last_md, required_mode))
|
|
{
|
|
if (U.opensubdiv_compute_type == USER_OPENSUBDIV_COMPUTE_NONE) {
|
|
return false;
|
|
}
|
|
else if ((ob->mode & (OB_MODE_VERTEX_PAINT | OB_MODE_WEIGHT_PAINT | OB_MODE_TEXTURE_PAINT)) != 0) {
|
|
return false;
|
|
}
|
|
else if ((DEG_get_eval_flags_for_id(depsgraph, &ob->id) & DAG_EVAL_NEED_CPU) != 0) {
|
|
return false;
|
|
}
|
|
SubsurfModifierData *smd = (SubsurfModifierData *)last_md;
|
|
/* TODO(sergey): Deduplicate this with checks from subsurf_ccg.c. */
|
|
return smd->use_opensubdiv != 0;
|
|
}
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
static void mesh_build_data(
|
|
struct Depsgraph *depsgraph, Scene *scene, Object *ob, CustomDataMask dataMask,
|
|
const bool build_shapekey_layers, const bool need_mapping)
|
|
{
|
|
BLI_assert(ob->type == OB_MESH);
|
|
|
|
BKE_object_free_derived_caches(ob);
|
|
BKE_object_sculpt_modifiers_changed(ob);
|
|
|
|
#ifdef WITH_OPENSUBDIV
|
|
if (calc_modifiers_skip_orco(depsgraph, scene, ob, false)) {
|
|
dataMask &= ~(CD_MASK_ORCO | CD_MASK_PREVIEW_MCOL);
|
|
}
|
|
#endif
|
|
|
|
mesh_calc_modifiers(
|
|
depsgraph, scene, ob, NULL, false, 1, need_mapping, dataMask, -1, true, build_shapekey_layers,
|
|
true,
|
|
&ob->derivedDeform, &ob->derivedFinal);
|
|
|
|
DM_set_object_boundbox(ob, ob->derivedFinal);
|
|
|
|
ob->derivedFinal->needsFree = 0;
|
|
ob->derivedDeform->needsFree = 0;
|
|
ob->lastDataMask = dataMask;
|
|
ob->lastNeedMapping = need_mapping;
|
|
|
|
if ((ob->mode & OB_MODE_ALL_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(depsgraph, scene, scene->toolsettings->sculpt, ob, false, false);
|
|
}
|
|
|
|
BLI_assert(!(ob->derivedFinal->dirty & DM_DIRTY_NORMALS));
|
|
}
|
|
|
|
static void editbmesh_build_data(
|
|
struct Depsgraph *depsgraph, 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);
|
|
|
|
#ifdef WITH_OPENSUBDIV
|
|
if (calc_modifiers_skip_orco(depsgraph, scene, obedit, false)) {
|
|
dataMask &= ~(CD_MASK_ORCO | CD_MASK_PREVIEW_MCOL);
|
|
}
|
|
#endif
|
|
|
|
editbmesh_calc_modifiers(
|
|
depsgraph, scene, obedit, em, dataMask,
|
|
&em->derivedCage, &em->derivedFinal);
|
|
|
|
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(const Depsgraph *depsgraph, Object *ob, bool *r_need_mapping)
|
|
{
|
|
ViewLayer *view_layer = DEG_get_evaluated_view_layer(depsgraph);
|
|
Object *actob = view_layer->basact ? view_layer->basact->object : NULL;
|
|
CustomDataMask mask = ob->customdata_mask;
|
|
|
|
if (r_need_mapping) {
|
|
*r_need_mapping = false;
|
|
}
|
|
|
|
if (ob == actob) {
|
|
bool editing = BKE_paint_select_face_test(ob);
|
|
|
|
/* weight paint and face select need original indices because of selection buffer drawing */
|
|
if (r_need_mapping) {
|
|
*r_need_mapping = (editing || (ob->mode & (OB_MODE_WEIGHT_PAINT | OB_MODE_VERTEX_PAINT)));
|
|
}
|
|
|
|
/* check if we need tfaces & mcols due to face select or texture paint */
|
|
if ((ob->mode & OB_MODE_TEXTURE_PAINT) || editing) {
|
|
mask |= CD_MASK_MLOOPUV | CD_MASK_MLOOPCOL;
|
|
}
|
|
|
|
/* check if we need mcols due to vertex paint or weightpaint */
|
|
if (ob->mode & OB_MODE_VERTEX_PAINT) {
|
|
mask |= CD_MASK_MLOOPCOL;
|
|
}
|
|
|
|
if (ob->mode & OB_MODE_WEIGHT_PAINT) {
|
|
mask |= CD_MASK_PREVIEW_MLOOPCOL;
|
|
}
|
|
|
|
if (ob->mode & OB_MODE_EDIT)
|
|
mask |= CD_MASK_MVERT_SKIN;
|
|
}
|
|
|
|
return mask;
|
|
}
|
|
|
|
void makeDerivedMesh(
|
|
struct Depsgraph *depsgraph, Scene *scene, Object *ob, BMEditMesh *em,
|
|
CustomDataMask dataMask, const bool build_shapekey_layers)
|
|
{
|
|
bool need_mapping;
|
|
dataMask |= object_get_datamask(depsgraph, ob, &need_mapping);
|
|
|
|
if (em) {
|
|
editbmesh_build_data(depsgraph, scene, ob, em, dataMask);
|
|
}
|
|
else {
|
|
mesh_build_data(depsgraph, scene, ob, dataMask, build_shapekey_layers, need_mapping);
|
|
}
|
|
}
|
|
|
|
/***/
|
|
|
|
DerivedMesh *mesh_get_derived_final(
|
|
struct Depsgraph *depsgraph, 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
|
|
*/
|
|
bool need_mapping;
|
|
dataMask |= object_get_datamask(depsgraph, ob, &need_mapping);
|
|
|
|
if (!ob->derivedFinal ||
|
|
((dataMask & ob->lastDataMask) != dataMask) ||
|
|
(need_mapping != ob->lastNeedMapping))
|
|
{
|
|
mesh_build_data(depsgraph, scene, ob, dataMask, false, need_mapping);
|
|
}
|
|
|
|
if (ob->derivedFinal) { BLI_assert(!(ob->derivedFinal->dirty & DM_DIRTY_NORMALS)); }
|
|
return ob->derivedFinal;
|
|
}
|
|
|
|
DerivedMesh *mesh_get_derived_deform(struct Depsgraph *depsgraph, 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
|
|
*/
|
|
bool need_mapping;
|
|
|
|
dataMask |= object_get_datamask(depsgraph, ob, &need_mapping);
|
|
|
|
if (!ob->derivedDeform ||
|
|
((dataMask & ob->lastDataMask) != dataMask) ||
|
|
(need_mapping != ob->lastNeedMapping))
|
|
{
|
|
mesh_build_data(depsgraph, scene, ob, dataMask, false, need_mapping);
|
|
}
|
|
|
|
return ob->derivedDeform;
|
|
}
|
|
|
|
DerivedMesh *mesh_create_derived_render(struct Depsgraph *depsgraph, Scene *scene, Object *ob, CustomDataMask dataMask)
|
|
{
|
|
DerivedMesh *final;
|
|
|
|
mesh_calc_modifiers(
|
|
depsgraph, scene, ob, NULL, true, 1, false, dataMask, -1, false, false, false,
|
|
NULL, &final);
|
|
|
|
return final;
|
|
}
|
|
|
|
DerivedMesh *mesh_create_derived_index_render(struct Depsgraph *depsgraph, Scene *scene, Object *ob, CustomDataMask dataMask, int index)
|
|
{
|
|
DerivedMesh *final;
|
|
|
|
mesh_calc_modifiers(
|
|
depsgraph, scene, ob, NULL, true, 1, false, dataMask, index, false, false, false,
|
|
NULL, &final);
|
|
|
|
return final;
|
|
}
|
|
|
|
DerivedMesh *mesh_create_derived_view(
|
|
struct Depsgraph *depsgraph, 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(
|
|
depsgraph, scene, ob, NULL, false, 1, false, dataMask, -1, false, false, false,
|
|
NULL, &final);
|
|
|
|
ob->transflag &= ~OB_NO_PSYS_UPDATE;
|
|
|
|
return final;
|
|
}
|
|
|
|
DerivedMesh *mesh_create_derived_no_deform(
|
|
struct Depsgraph *depsgraph, Scene *scene, Object *ob,
|
|
float (*vertCos)[3], CustomDataMask dataMask)
|
|
{
|
|
DerivedMesh *final;
|
|
|
|
mesh_calc_modifiers(
|
|
depsgraph, scene, ob, vertCos, false, 0, false, dataMask, -1, false, false, false,
|
|
NULL, &final);
|
|
|
|
return final;
|
|
}
|
|
|
|
DerivedMesh *mesh_create_derived_no_deform_render(
|
|
struct Depsgraph *depsgraph, Scene *scene,
|
|
Object *ob, float (*vertCos)[3],
|
|
CustomDataMask dataMask)
|
|
{
|
|
DerivedMesh *final;
|
|
|
|
mesh_calc_modifiers(
|
|
depsgraph, scene, ob, vertCos, true, 0, false, dataMask, -1, false, false, false,
|
|
NULL, &final);
|
|
|
|
return final;
|
|
}
|
|
|
|
/***/
|
|
|
|
DerivedMesh *editbmesh_get_derived_cage_and_final(
|
|
struct Depsgraph *depsgraph, Scene *scene, Object *obedit, BMEditMesh *em,
|
|
CustomDataMask dataMask,
|
|
/* return args */
|
|
DerivedMesh **r_final)
|
|
{
|
|
/* 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(depsgraph, obedit, NULL);
|
|
|
|
if (!em->derivedCage ||
|
|
(em->lastDataMask & dataMask) != dataMask)
|
|
{
|
|
editbmesh_build_data(depsgraph, 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(
|
|
struct Depsgraph *depsgraph, 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(depsgraph, obedit, NULL);
|
|
|
|
if (!em->derivedCage ||
|
|
(em->lastDataMask & dataMask) != dataMask)
|
|
{
|
|
editbmesh_build_data(depsgraph, scene, obedit, em, dataMask);
|
|
}
|
|
|
|
return em->derivedCage;
|
|
}
|
|
|
|
DerivedMesh *editbmesh_get_derived_base(Object *obedit, BMEditMesh *em, CustomDataMask data_mask)
|
|
{
|
|
return getEditDerivedBMesh(em, obedit, data_mask, NULL);
|
|
}
|
|
|
|
/***/
|
|
|
|
/* get derived mesh from an object, using editbmesh if available. */
|
|
DerivedMesh *object_get_derived_final(Object *ob, const bool for_render)
|
|
{
|
|
if (for_render) {
|
|
/* TODO(sergey): use proper derived render here in the future. */
|
|
return ob->derivedFinal;
|
|
}
|
|
|
|
/* only return the editmesh if its from this object because
|
|
* we don't a mesh from another object's modifier stack: T43122 */
|
|
if (ob->type == OB_MESH) {
|
|
Mesh *me = ob->data;
|
|
BMEditMesh *em = me->edit_btmesh;
|
|
if (em && (em->ob == ob)) {
|
|
DerivedMesh *dm = em->derivedFinal;
|
|
return dm;
|
|
}
|
|
}
|
|
|
|
return ob->derivedFinal;
|
|
}
|
|
|
|
|
|
/* 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_calloc_arrayN(me->totvert, sizeof(DMCoNo), "vertexcosnos map");
|
|
dm->foreachMappedVert(dm, make_vertexcosnos__mapFunc, vertexcosnos);
|
|
}
|
|
else {
|
|
DMCoNo *v_co_no = vertexcosnos = MEM_malloc_arrayN(me->totvert, sizeof(DMCoNo), "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
|
|
|
|
/* same as above but for vert coords */
|
|
typedef struct {
|
|
float (*vertexcos)[3];
|
|
BLI_bitmap *vertex_visit;
|
|
} MappedUserData;
|
|
|
|
static void make_vertexcos__mapFunc(
|
|
void *userData, int index, const float co[3],
|
|
const float UNUSED(no_f[3]), const short UNUSED(no_s[3]))
|
|
{
|
|
MappedUserData *mappedData = (MappedUserData *)userData;
|
|
|
|
if (BLI_BITMAP_TEST(mappedData->vertex_visit, index) == 0) {
|
|
/* we need coord from prototype vertex, not from copies,
|
|
* assume they stored in the beginning of vertex array stored in DM
|
|
* (mirror modifier for eg does this) */
|
|
copy_v3_v3(mappedData->vertexcos[index], co);
|
|
BLI_BITMAP_ENABLE(mappedData->vertex_visit, index);
|
|
}
|
|
}
|
|
|
|
void mesh_get_mapped_verts_coords(DerivedMesh *dm, float (*r_cos)[3], const int totcos)
|
|
{
|
|
if (dm->foreachMappedVert) {
|
|
MappedUserData userData;
|
|
memset(r_cos, 0, sizeof(*r_cos) * totcos);
|
|
userData.vertexcos = r_cos;
|
|
userData.vertex_visit = BLI_BITMAP_NEW(totcos, "vertexcos flags");
|
|
dm->foreachMappedVert(dm, make_vertexcos__mapFunc, &userData, DM_FOREACH_NOP);
|
|
MEM_freeN(userData.vertex_visit);
|
|
}
|
|
else {
|
|
int i;
|
|
for (i = 0; i < totcos; i++) {
|
|
dm->getVertCo(dm, i, r_cos[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
void DM_add_named_tangent_layer_for_uv(
|
|
CustomData *uv_data, CustomData *tan_data, int numLoopData,
|
|
const char *layer_name)
|
|
{
|
|
if (CustomData_get_named_layer_index(tan_data, CD_TANGENT, layer_name) == -1 &&
|
|
CustomData_get_named_layer_index(uv_data, CD_MLOOPUV, layer_name) != -1)
|
|
{
|
|
CustomData_add_layer_named(
|
|
tan_data, CD_TANGENT, CD_CALLOC, NULL,
|
|
numLoopData, layer_name);
|
|
}
|
|
}
|
|
|
|
void DM_calc_loop_tangents(
|
|
DerivedMesh *dm, bool calc_active_tangent,
|
|
const char (*tangent_names)[MAX_NAME], int tangent_names_len)
|
|
{
|
|
BKE_mesh_calc_loop_tangent_ex(
|
|
dm->getVertArray(dm),
|
|
dm->getPolyArray(dm), dm->getNumPolys(dm),
|
|
dm->getLoopArray(dm),
|
|
dm->getLoopTriArray(dm), dm->getNumLoopTri(dm),
|
|
&dm->loopData,
|
|
calc_active_tangent,
|
|
tangent_names, tangent_names_len,
|
|
CustomData_get_layer(&dm->polyData, CD_NORMAL),
|
|
dm->getLoopDataArray(dm, CD_NORMAL),
|
|
dm->getVertDataArray(dm, CD_ORCO), /* may be NULL */
|
|
/* result */
|
|
&dm->loopData, dm->getNumLoops(dm),
|
|
&dm->tangent_mask);
|
|
}
|
|
|
|
/* 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);
|
|
|
|
ob->bb->flag &= ~BOUNDBOX_DIRTY;
|
|
}
|
|
|
|
void DM_init_origspace(DerivedMesh *dm)
|
|
{
|
|
const float default_osf[4][2] = {{0, 0}, {1, 0}, {1, 1}, {0, 1}};
|
|
|
|
OrigSpaceLoop *lof_array = CustomData_get_layer(&dm->loopData, CD_ORIGSPACE_MLOOP);
|
|
const int numpoly = dm->getNumPolys(dm);
|
|
// const int numloop = dm->getNumLoops(dm);
|
|
MVert *mv = dm->getVertArray(dm);
|
|
MLoop *ml = dm->getLoopArray(dm);
|
|
MPoly *mp = dm->getPolyArray(dm);
|
|
int i, j, k;
|
|
|
|
float (*vcos_2d)[2] = NULL;
|
|
BLI_array_staticdeclare(vcos_2d, 64);
|
|
|
|
for (i = 0; i < numpoly; i++, mp++) {
|
|
OrigSpaceLoop *lof = lof_array + mp->loopstart;
|
|
|
|
if (mp->totloop == 3 || mp->totloop == 4) {
|
|
for (j = 0; j < mp->totloop; j++, lof++) {
|
|
copy_v2_v2(lof->uv, default_osf[j]);
|
|
}
|
|
}
|
|
else {
|
|
MLoop *l = &ml[mp->loopstart];
|
|
float p_nor[3], co[3];
|
|
float mat[3][3];
|
|
|
|
float min[2] = {FLT_MAX, FLT_MAX}, max[2] = {-FLT_MAX, -FLT_MAX};
|
|
float translate[2], scale[2];
|
|
|
|
BKE_mesh_calc_poly_normal(mp, l, mv, p_nor);
|
|
axis_dominant_v3_to_m3(mat, p_nor);
|
|
|
|
BLI_array_clear(vcos_2d);
|
|
BLI_array_reserve(vcos_2d, mp->totloop);
|
|
for (j = 0; j < mp->totloop; j++, l++) {
|
|
mul_v3_m3v3(co, mat, mv[l->v].co);
|
|
copy_v2_v2(vcos_2d[j], co);
|
|
|
|
for (k = 0; k < 2; k++) {
|
|
if (co[k] > max[k])
|
|
max[k] = co[k];
|
|
else if (co[k] < min[k])
|
|
min[k] = co[k];
|
|
}
|
|
}
|
|
|
|
/* Brings min to (0, 0). */
|
|
negate_v2_v2(translate, min);
|
|
|
|
/* Scale will bring max to (1, 1). */
|
|
sub_v2_v2v2(scale, max, min);
|
|
if (scale[0] == 0.0f)
|
|
scale[0] = 1e-9f;
|
|
if (scale[1] == 0.0f)
|
|
scale[1] = 1e-9f;
|
|
invert_v2(scale);
|
|
|
|
/* Finally, transform all vcos_2d into ((0, 0), (1, 1)) square and assing them as origspace. */
|
|
for (j = 0; j < mp->totloop; j++, lof++) {
|
|
add_v2_v2v2(lof->uv, vcos_2d[j], translate);
|
|
mul_v2_v2(lof->uv, scale);
|
|
}
|
|
}
|
|
}
|
|
|
|
dm->dirty |= DM_DIRTY_TESS_CDLAYERS;
|
|
BLI_array_free(vcos_2d);
|
|
}
|
|
|
|
|
|
|
|
/* 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, (const 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;
|
|
const 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, (const 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),
|
|
false, /* 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_malloc_arrayN(dm->getNumVerts(dm), sizeof(MVert), "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_malloc_arrayN(dm->getNumEdges(dm), sizeof(MEdge), "dm medge data array");
|
|
dm->copyEdgeArray(dm, medge);
|
|
*allocated = true;
|
|
}
|
|
|
|
return medge;
|
|
}
|
|
|
|
MLoop *DM_get_loop_array(DerivedMesh *dm, bool *r_allocated)
|
|
{
|
|
CustomData *loop_data = dm->getLoopDataLayout(dm);
|
|
MLoop *mloop = CustomData_get_layer(loop_data, CD_MLOOP);
|
|
*r_allocated = false;
|
|
|
|
if (mloop == NULL) {
|
|
mloop = MEM_malloc_arrayN(dm->getNumLoops(dm), sizeof(MLoop), "dm loop data array");
|
|
dm->copyLoopArray(dm, mloop);
|
|
*r_allocated = true;
|
|
}
|
|
|
|
return mloop;
|
|
}
|
|
|
|
MPoly *DM_get_poly_array(DerivedMesh *dm, bool *r_allocated)
|
|
{
|
|
CustomData *poly_data = dm->getPolyDataLayout(dm);
|
|
MPoly *mpoly = CustomData_get_layer(poly_data, CD_MPOLY);
|
|
*r_allocated = false;
|
|
|
|
if (mpoly == NULL) {
|
|
mpoly = MEM_malloc_arrayN(dm->getNumPolys(dm), sizeof(MPoly), "dm poly data array");
|
|
dm->copyPolyArray(dm, mpoly);
|
|
*r_allocated = true;
|
|
}
|
|
|
|
return mpoly;
|
|
}
|
|
|
|
MFace *DM_get_tessface_array(DerivedMesh *dm, bool *r_allocated)
|
|
{
|
|
CustomData *tessface_data = dm->getTessFaceDataLayout(dm);
|
|
MFace *mface = CustomData_get_layer(tessface_data, CD_MFACE);
|
|
*r_allocated = false;
|
|
|
|
if (mface == NULL) {
|
|
int numTessFaces = dm->getNumTessFaces(dm);
|
|
|
|
if (numTessFaces > 0) {
|
|
mface = MEM_malloc_arrayN(numTessFaces, sizeof(MFace), "bvh mface data array");
|
|
dm->copyTessFaceArray(dm, mface);
|
|
*r_allocated = true;
|
|
}
|
|
}
|
|
|
|
return mface;
|
|
}
|