diff options
Diffstat (limited to 'source/blender/blenkernel/intern/modifier.c')
-rw-r--r-- | source/blender/blenkernel/intern/modifier.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/source/blender/blenkernel/intern/modifier.c b/source/blender/blenkernel/intern/modifier.c index 305acf3a377..6b54a530034 100644 --- a/source/blender/blenkernel/intern/modifier.c +++ b/source/blender/blenkernel/intern/modifier.c @@ -50,6 +50,7 @@ #include "BKE_DerivedMesh.h" #include "BKE_appdir.h" #include "BKE_editmesh.h" +#include "BKE_editmesh_cache.h" #include "BKE_global.h" #include "BKE_idtype.h" #include "BKE_key.h" @@ -934,6 +935,30 @@ void BKE_modifier_path_init(char *path, int path_maxlen, const char *name) BLI_join_dirfile(path, path_maxlen, G.relbase_valid ? "//" : BKE_tempdir_session(), name); } +/** + * Call when #ModifierTypeInfo.dependsOnNormals callback requests normals. + */ +static void modwrap_dependsOnNormals(Mesh *me) +{ + switch ((eMeshWrapperType)me->runtime.wrapper_type) { + case ME_WRAPPER_TYPE_BMESH: { + EditMeshData *edit_data = me->runtime.edit_data; + if (edit_data->vertexCos) { + /* Note that 'ensure' is acceptable here since these values aren't modified in-place. + * If that changes we'll need to recalculate. */ + BKE_editmesh_cache_ensure_vert_normals(me->edit_mesh, edit_data); + } + else { + BM_mesh_normals_update(me->edit_mesh->bm); + } + break; + } + case ME_WRAPPER_TYPE_MDATA: + BKE_mesh_calc_normals(me); + break; + } +} + /* wrapper around ModifierTypeInfo.modifyMesh that ensures valid normals */ struct Mesh *BKE_modifier_modify_mesh(ModifierData *md, @@ -943,8 +968,14 @@ struct Mesh *BKE_modifier_modify_mesh(ModifierData *md, const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type); BLI_assert(CustomData_has_layer(&me->pdata, CD_NORMAL) == false); + if (me->runtime.wrapper_type == ME_WRAPPER_TYPE_BMESH) { + if ((mti->flags & eModifierTypeFlag_AcceptsBMesh) == 0) { + BKE_mesh_wrapper_ensure_mdata(me); + } + } + if (mti->dependsOnNormals && mti->dependsOnNormals(md)) { - BKE_mesh_calc_normals(me); + modwrap_dependsOnNormals(me); } return mti->modifyMesh(md, ctx, me); } @@ -959,7 +990,7 @@ void BKE_modifier_deform_verts(ModifierData *md, BLI_assert(!me || CustomData_has_layer(&me->pdata, CD_NORMAL) == false); if (me && mti->dependsOnNormals && mti->dependsOnNormals(md)) { - BKE_mesh_calc_normals(me); + modwrap_dependsOnNormals(me); } mti->deformVerts(md, ctx, me, vertexCos, numVerts); } |