Bastien Montagne
e31f0fad97
BLI should always comes first, before DNA, BKE etc. And `BLI_utildefines.h` should come before any other BLI (since it's some sort of system include really, among other things...). Thisi should help to reduce the noise in patches when adding stuff like uint64_t members to DNA structs... ;)
271 lines
6.8 KiB
C
271 lines
6.8 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2005 by the Blender Foundation.
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* All rights reserved.
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*/
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/** \file
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* \ingroup modifiers
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*/
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#include "MEM_guardedalloc.h"
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#include "BLI_utildefines.h"
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#include "BLI_math.h"
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#include "DNA_mesh_types.h"
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#include "DNA_meshdata_types.h"
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#include "BKE_editmesh.h"
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#include "BKE_library.h"
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#include "BKE_mesh.h"
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#include "BKE_particle.h"
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#include "BKE_deform.h"
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#include "MOD_modifiertypes.h"
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#include "MOD_util.h"
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static void initData(ModifierData *md)
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{
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SmoothModifierData *smd = (SmoothModifierData *) md;
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smd->fac = 0.5f;
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smd->repeat = 1;
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smd->flag = MOD_SMOOTH_X | MOD_SMOOTH_Y | MOD_SMOOTH_Z;
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smd->defgrp_name[0] = '\0';
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}
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static bool isDisabled(const struct Scene *UNUSED(scene), ModifierData *md, bool UNUSED(useRenderParams))
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{
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SmoothModifierData *smd = (SmoothModifierData *) md;
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short flag;
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flag = smd->flag & (MOD_SMOOTH_X | MOD_SMOOTH_Y | MOD_SMOOTH_Z);
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/* disable if modifier is off for X, Y and Z or if factor is 0 */
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if ((smd->fac == 0.0f) || flag == 0) return 1;
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return 0;
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}
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static CustomDataMask requiredDataMask(Object *UNUSED(ob), ModifierData *md)
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{
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SmoothModifierData *smd = (SmoothModifierData *)md;
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CustomDataMask dataMask = 0;
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/* ask for vertexgroups if we need them */
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if (smd->defgrp_name[0]) dataMask |= CD_MASK_MDEFORMVERT;
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return dataMask;
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}
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static void smoothModifier_do(
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SmoothModifierData *smd, Object *ob, Mesh *mesh,
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float (*vertexCos)[3], int numVerts)
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{
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MDeformVert *dvert = NULL;
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MEdge *medges = NULL;
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int i, j, numDMEdges, defgrp_index;
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unsigned char *uctmp;
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float *ftmp, fac, facm;
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ftmp = (float *)MEM_calloc_arrayN(numVerts, 3 * sizeof(float),
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"smoothmodifier_f");
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if (!ftmp) return;
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uctmp = (unsigned char *)MEM_calloc_arrayN(numVerts, sizeof(unsigned char),
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"smoothmodifier_uc");
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if (!uctmp) {
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if (ftmp) MEM_freeN(ftmp);
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return;
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}
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fac = smd->fac;
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facm = 1 - fac;
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if (mesh != NULL) {
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medges = mesh->medge;
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numDMEdges = mesh->totedge;
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}
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else {
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medges = NULL;
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numDMEdges = 0;
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}
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MOD_get_vgroup(ob, mesh, smd->defgrp_name, &dvert, &defgrp_index);
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/* NOTICE: this can be optimized a little bit by moving the
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* if (dvert) out of the loop, if needed */
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for (j = 0; j < smd->repeat; j++) {
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for (i = 0; i < numDMEdges; i++) {
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float fvec[3];
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float *v1, *v2;
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unsigned int idx1, idx2;
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idx1 = medges[i].v1;
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idx2 = medges[i].v2;
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v1 = vertexCos[idx1];
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v2 = vertexCos[idx2];
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mid_v3_v3v3(fvec, v1, v2);
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v1 = &ftmp[idx1 * 3];
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v2 = &ftmp[idx2 * 3];
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if (uctmp[idx1] < 255) {
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uctmp[idx1]++;
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add_v3_v3(v1, fvec);
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}
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if (uctmp[idx2] < 255) {
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uctmp[idx2]++;
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add_v3_v3(v2, fvec);
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}
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}
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if (dvert) {
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MDeformVert *dv = dvert;
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for (i = 0; i < numVerts; i++, dv++) {
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float f, fm, facw, *fp, *v;
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short flag = smd->flag;
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v = vertexCos[i];
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fp = &ftmp[i * 3];
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f = defvert_find_weight(dv, defgrp_index);
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if (f <= 0.0f) continue;
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f *= fac;
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fm = 1.0f - f;
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/* fp is the sum of uctmp[i] verts, so must be averaged */
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facw = 0.0f;
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if (uctmp[i])
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facw = f / (float)uctmp[i];
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if (flag & MOD_SMOOTH_X)
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v[0] = fm * v[0] + facw * fp[0];
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if (flag & MOD_SMOOTH_Y)
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v[1] = fm * v[1] + facw * fp[1];
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if (flag & MOD_SMOOTH_Z)
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v[2] = fm * v[2] + facw * fp[2];
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}
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}
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else { /* no vertex group */
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for (i = 0; i < numVerts; i++) {
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float facw, *fp, *v;
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short flag = smd->flag;
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v = vertexCos[i];
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fp = &ftmp[i * 3];
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/* fp is the sum of uctmp[i] verts, so must be averaged */
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facw = 0.0f;
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if (uctmp[i])
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facw = fac / (float)uctmp[i];
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if (flag & MOD_SMOOTH_X)
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v[0] = facm * v[0] + facw * fp[0];
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if (flag & MOD_SMOOTH_Y)
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v[1] = facm * v[1] + facw * fp[1];
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if (flag & MOD_SMOOTH_Z)
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v[2] = facm * v[2] + facw * fp[2];
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}
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}
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memset(ftmp, 0, 3 * sizeof(float) * numVerts);
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memset(uctmp, 0, sizeof(unsigned char) * numVerts);
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}
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MEM_freeN(ftmp);
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MEM_freeN(uctmp);
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}
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static void deformVerts(
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ModifierData *md, const ModifierEvalContext *ctx, Mesh *mesh,
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float (*vertexCos)[3], int numVerts)
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{
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SmoothModifierData *smd = (SmoothModifierData *)md;
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Mesh *mesh_src = NULL;
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/* mesh_src is needed for vgroups, and taking edges into account. */
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mesh_src = MOD_deform_mesh_eval_get(ctx->object, NULL, mesh, NULL, numVerts, false, false);
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smoothModifier_do(smd, ctx->object, mesh_src, vertexCos, numVerts);
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if (!ELEM(mesh_src, NULL, mesh)) {
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BKE_id_free(NULL, mesh_src);
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}
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}
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static void deformVertsEM(
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ModifierData *md, const ModifierEvalContext *ctx, struct BMEditMesh *editData,
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Mesh *mesh, float (*vertexCos)[3], int numVerts)
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{
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SmoothModifierData *smd = (SmoothModifierData *)md;
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Mesh *mesh_src = NULL;
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/* mesh_src is needed for vgroups, and taking edges into account. */
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mesh_src = MOD_deform_mesh_eval_get(ctx->object, editData, mesh, NULL, numVerts, false, false);
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smoothModifier_do(smd, ctx->object, mesh_src, vertexCos, numVerts);
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if (!ELEM(mesh_src, NULL, mesh)) {
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BKE_id_free(NULL, mesh_src);
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}
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}
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ModifierTypeInfo modifierType_Smooth = {
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/* name */ "Smooth",
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/* structName */ "SmoothModifierData",
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/* structSize */ sizeof(SmoothModifierData),
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/* type */ eModifierTypeType_OnlyDeform,
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/* flags */ eModifierTypeFlag_AcceptsMesh |
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eModifierTypeFlag_AcceptsCVs |
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eModifierTypeFlag_SupportsEditmode,
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/* copyData */ modifier_copyData_generic,
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/* deformVerts_DM */ NULL,
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/* deformMatrices_DM */ NULL,
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/* deformVertsEM_DM */ NULL,
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/* deformMatricesEM_DM*/NULL,
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/* applyModifier_DM */ NULL,
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/* deformVerts */ deformVerts,
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/* deformMatrices */ NULL,
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/* deformVertsEM */ deformVertsEM,
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/* deformMatricesEM */ NULL,
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/* applyModifier */ NULL,
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/* initData */ initData,
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/* requiredDataMask */ requiredDataMask,
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/* freeData */ NULL,
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/* isDisabled */ isDisabled,
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/* updateDepsgraph */ NULL,
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/* dependsOnTime */ NULL,
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/* dependsOnNormals */ NULL,
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/* foreachObjectLink */ NULL,
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/* foreachIDLink */ NULL,
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/* foreachTexLink */ NULL,
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};
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