diff options
Diffstat (limited to 'source/blender/modifiers/intern/MOD_decimate.c')
| -rw-r--r-- | source/blender/modifiers/intern/MOD_decimate.c | 329 |
1 files changed, 164 insertions, 165 deletions
diff --git a/source/blender/modifiers/intern/MOD_decimate.c b/source/blender/modifiers/intern/MOD_decimate.c index 40968f1173f..c41abfb6eb2 100644 --- a/source/blender/modifiers/intern/MOD_decimate.c +++ b/source/blender/modifiers/intern/MOD_decimate.c @@ -50,196 +50,195 @@ static void initData(ModifierData *md) { - DecimateModifierData *dmd = (DecimateModifierData *) md; + DecimateModifierData *dmd = (DecimateModifierData *)md; - dmd->percent = 1.0; - dmd->angle = DEG2RADF(5.0f); - dmd->defgrp_factor = 1.0; + dmd->percent = 1.0; + dmd->angle = DEG2RADF(5.0f); + dmd->defgrp_factor = 1.0; } -static void requiredDataMask(Object *UNUSED(ob), ModifierData *md, CustomData_MeshMasks *r_cddata_masks) +static void requiredDataMask(Object *UNUSED(ob), + ModifierData *md, + CustomData_MeshMasks *r_cddata_masks) { - DecimateModifierData *dmd = (DecimateModifierData *) md; + DecimateModifierData *dmd = (DecimateModifierData *)md; - /* ask for vertexgroups if we need them */ - if (dmd->defgrp_name[0] != '\0' && (dmd->defgrp_factor > 0.0f)) { - r_cddata_masks->vmask |= CD_MASK_MDEFORMVERT; - } + /* ask for vertexgroups if we need them */ + if (dmd->defgrp_name[0] != '\0' && (dmd->defgrp_factor > 0.0f)) { + r_cddata_masks->vmask |= CD_MASK_MDEFORMVERT; + } } -static DecimateModifierData *getOriginalModifierData( - const DecimateModifierData *dmd, const ModifierEvalContext *ctx) +static DecimateModifierData *getOriginalModifierData(const DecimateModifierData *dmd, + const ModifierEvalContext *ctx) { - Object *ob_orig = DEG_get_original_object(ctx->object); - return (DecimateModifierData *)modifiers_findByName(ob_orig, dmd->modifier.name); + Object *ob_orig = DEG_get_original_object(ctx->object); + return (DecimateModifierData *)modifiers_findByName(ob_orig, dmd->modifier.name); } -static void updateFaceCount( - const ModifierEvalContext *ctx, DecimateModifierData *dmd, int face_count) +static void updateFaceCount(const ModifierEvalContext *ctx, + DecimateModifierData *dmd, + int face_count) { - dmd->face_count = face_count; + dmd->face_count = face_count; - if (DEG_is_active(ctx->depsgraph)) { - /* update for display only */ - DecimateModifierData *dmd_orig = getOriginalModifierData(dmd, ctx); - dmd_orig->face_count = face_count; - } + if (DEG_is_active(ctx->depsgraph)) { + /* update for display only */ + DecimateModifierData *dmd_orig = getOriginalModifierData(dmd, ctx); + dmd_orig->face_count = face_count; + } } -static Mesh *applyModifier( - ModifierData *md, const ModifierEvalContext *ctx, - Mesh *meshData) +static Mesh *applyModifier(ModifierData *md, const ModifierEvalContext *ctx, Mesh *meshData) { - DecimateModifierData *dmd = (DecimateModifierData *) md; - Mesh *mesh = meshData, *result = NULL; - BMesh *bm; - bool calc_face_normal; - float *vweights = NULL; + DecimateModifierData *dmd = (DecimateModifierData *)md; + Mesh *mesh = meshData, *result = NULL; + BMesh *bm; + bool calc_face_normal; + float *vweights = NULL; #ifdef USE_TIMEIT - TIMEIT_START(decim); + TIMEIT_START(decim); #endif - /* set up front so we dont show invalid info in the UI */ - updateFaceCount(ctx, dmd, mesh->totpoly); - - switch (dmd->mode) { - case MOD_DECIM_MODE_COLLAPSE: - if (dmd->percent == 1.0f) { - return mesh; - } - calc_face_normal = true; - break; - case MOD_DECIM_MODE_UNSUBDIV: - if (dmd->iter == 0) { - return mesh; - } - calc_face_normal = false; - break; - case MOD_DECIM_MODE_DISSOLVE: - if (dmd->angle == 0.0f) { - return mesh; - } - calc_face_normal = true; - break; - default: - return mesh; - } - - if (dmd->face_count <= 3) { - modifier_setError(md, "Modifier requires more than 3 input faces"); - return mesh; - } - - if (dmd->mode == MOD_DECIM_MODE_COLLAPSE) { - if (dmd->defgrp_name[0] && (dmd->defgrp_factor > 0.0f)) { - MDeformVert *dvert; - int defgrp_index; - - MOD_get_vgroup(ctx->object, mesh, dmd->defgrp_name, &dvert, &defgrp_index); - - if (dvert) { - const unsigned int vert_tot = mesh->totvert; - unsigned int i; - - vweights = MEM_malloc_arrayN(vert_tot, sizeof(float), __func__); - - if (dmd->flag & MOD_DECIM_FLAG_INVERT_VGROUP) { - for (i = 0; i < vert_tot; i++) { - vweights[i] = 1.0f - defvert_find_weight(&dvert[i], defgrp_index); - } - } - else { - for (i = 0; i < vert_tot; i++) { - vweights[i] = defvert_find_weight(&dvert[i], defgrp_index); - } - } - } - } - } - - bm = BKE_mesh_to_bmesh_ex( - mesh, - &(struct BMeshCreateParams){0}, - &(struct BMeshFromMeshParams){ - .calc_face_normal = calc_face_normal, - .cd_mask_extra = {.vmask = CD_MASK_ORIGINDEX, .emask = CD_MASK_ORIGINDEX, .pmask = CD_MASK_ORIGINDEX}, - }); - - switch (dmd->mode) { - case MOD_DECIM_MODE_COLLAPSE: - { - const bool do_triangulate = (dmd->flag & MOD_DECIM_FLAG_TRIANGULATE) != 0; - const int symmetry_axis = (dmd->flag & MOD_DECIM_FLAG_SYMMETRY) ? dmd->symmetry_axis : -1; - const float symmetry_eps = 0.00002f; - BM_mesh_decimate_collapse( - bm, dmd->percent, vweights, dmd->defgrp_factor, do_triangulate, - symmetry_axis, symmetry_eps); - break; - } - case MOD_DECIM_MODE_UNSUBDIV: - { - BM_mesh_decimate_unsubdivide(bm, dmd->iter); - break; - } - case MOD_DECIM_MODE_DISSOLVE: - { - const bool do_dissolve_boundaries = (dmd->flag & MOD_DECIM_FLAG_ALL_BOUNDARY_VERTS) != 0; - BM_mesh_decimate_dissolve(bm, dmd->angle, do_dissolve_boundaries, (BMO_Delimit)dmd->delimit); - break; - } - } - - if (vweights) { - MEM_freeN(vweights); - } - - updateFaceCount(ctx, dmd, bm->totface); - - result = BKE_mesh_from_bmesh_for_eval_nomain(bm, NULL); - BLI_assert(bm->vtoolflagpool == NULL && - bm->etoolflagpool == NULL && - bm->ftoolflagpool == NULL); /* make sure we never alloc'd these */ - BLI_assert(bm->vtable == NULL && - bm->etable == NULL && - bm->ftable == NULL); - - BM_mesh_free(bm); + /* set up front so we dont show invalid info in the UI */ + updateFaceCount(ctx, dmd, mesh->totpoly); + + switch (dmd->mode) { + case MOD_DECIM_MODE_COLLAPSE: + if (dmd->percent == 1.0f) { + return mesh; + } + calc_face_normal = true; + break; + case MOD_DECIM_MODE_UNSUBDIV: + if (dmd->iter == 0) { + return mesh; + } + calc_face_normal = false; + break; + case MOD_DECIM_MODE_DISSOLVE: + if (dmd->angle == 0.0f) { + return mesh; + } + calc_face_normal = true; + break; + default: + return mesh; + } + + if (dmd->face_count <= 3) { + modifier_setError(md, "Modifier requires more than 3 input faces"); + return mesh; + } + + if (dmd->mode == MOD_DECIM_MODE_COLLAPSE) { + if (dmd->defgrp_name[0] && (dmd->defgrp_factor > 0.0f)) { + MDeformVert *dvert; + int defgrp_index; + + MOD_get_vgroup(ctx->object, mesh, dmd->defgrp_name, &dvert, &defgrp_index); + + if (dvert) { + const unsigned int vert_tot = mesh->totvert; + unsigned int i; + + vweights = MEM_malloc_arrayN(vert_tot, sizeof(float), __func__); + + if (dmd->flag & MOD_DECIM_FLAG_INVERT_VGROUP) { + for (i = 0; i < vert_tot; i++) { + vweights[i] = 1.0f - defvert_find_weight(&dvert[i], defgrp_index); + } + } + else { + for (i = 0; i < vert_tot; i++) { + vweights[i] = defvert_find_weight(&dvert[i], defgrp_index); + } + } + } + } + } + + bm = BKE_mesh_to_bmesh_ex(mesh, + &(struct BMeshCreateParams){0}, + &(struct BMeshFromMeshParams){ + .calc_face_normal = calc_face_normal, + .cd_mask_extra = {.vmask = CD_MASK_ORIGINDEX, + .emask = CD_MASK_ORIGINDEX, + .pmask = CD_MASK_ORIGINDEX}, + }); + + switch (dmd->mode) { + case MOD_DECIM_MODE_COLLAPSE: { + const bool do_triangulate = (dmd->flag & MOD_DECIM_FLAG_TRIANGULATE) != 0; + const int symmetry_axis = (dmd->flag & MOD_DECIM_FLAG_SYMMETRY) ? dmd->symmetry_axis : -1; + const float symmetry_eps = 0.00002f; + BM_mesh_decimate_collapse(bm, + dmd->percent, + vweights, + dmd->defgrp_factor, + do_triangulate, + symmetry_axis, + symmetry_eps); + break; + } + case MOD_DECIM_MODE_UNSUBDIV: { + BM_mesh_decimate_unsubdivide(bm, dmd->iter); + break; + } + case MOD_DECIM_MODE_DISSOLVE: { + const bool do_dissolve_boundaries = (dmd->flag & MOD_DECIM_FLAG_ALL_BOUNDARY_VERTS) != 0; + BM_mesh_decimate_dissolve(bm, dmd->angle, do_dissolve_boundaries, (BMO_Delimit)dmd->delimit); + break; + } + } + + if (vweights) { + MEM_freeN(vweights); + } + + updateFaceCount(ctx, dmd, bm->totface); + + result = BKE_mesh_from_bmesh_for_eval_nomain(bm, NULL); + BLI_assert(bm->vtoolflagpool == NULL && bm->etoolflagpool == NULL && + bm->ftoolflagpool == NULL); /* make sure we never alloc'd these */ + BLI_assert(bm->vtable == NULL && bm->etable == NULL && bm->ftable == NULL); + + BM_mesh_free(bm); #ifdef USE_TIMEIT - TIMEIT_END(decim); + TIMEIT_END(decim); #endif - result->runtime.cd_dirty_vert |= CD_MASK_NORMAL; + result->runtime.cd_dirty_vert |= CD_MASK_NORMAL; - return result; + return result; } ModifierTypeInfo modifierType_Decimate = { - /* name */ "Decimate", - /* structName */ "DecimateModifierData", - /* structSize */ sizeof(DecimateModifierData), - /* type */ eModifierTypeType_Nonconstructive, - /* flags */ eModifierTypeFlag_AcceptsMesh | - eModifierTypeFlag_AcceptsCVs, - - /* copyData */ modifier_copyData_generic, - - /* deformVerts */ NULL, - /* deformMatrices */ NULL, - /* deformVertsEM */ NULL, - /* deformMatricesEM */ NULL, - /* applyModifier */ applyModifier, - - /* initData */ initData, - /* requiredDataMask */ requiredDataMask, - /* freeData */ NULL, - /* isDisabled */ NULL, - /* updateDepsgraph */ NULL, - /* dependsOnTime */ NULL, - /* dependsOnNormals */ NULL, - /* foreachObjectLink */ NULL, - /* foreachIDLink */ NULL, - /* foreachTexLink */ NULL, - /* freeRuntimeData */ NULL, + /* name */ "Decimate", + /* structName */ "DecimateModifierData", + /* structSize */ sizeof(DecimateModifierData), + /* type */ eModifierTypeType_Nonconstructive, + /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_AcceptsCVs, + + /* copyData */ modifier_copyData_generic, + + /* deformVerts */ NULL, + /* deformMatrices */ NULL, + /* deformVertsEM */ NULL, + /* deformMatricesEM */ NULL, + /* applyModifier */ applyModifier, + + /* initData */ initData, + /* requiredDataMask */ requiredDataMask, + /* freeData */ NULL, + /* isDisabled */ NULL, + /* updateDepsgraph */ NULL, + /* dependsOnTime */ NULL, + /* dependsOnNormals */ NULL, + /* foreachObjectLink */ NULL, + /* foreachIDLink */ NULL, + /* foreachTexLink */ NULL, + /* freeRuntimeData */ NULL, }; |