diff options
Diffstat (limited to 'source/blender/blenkernel/BKE_mesh.h')
| -rw-r--r-- | source/blender/blenkernel/BKE_mesh.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_mesh.h b/source/blender/blenkernel/BKE_mesh.h index 8cf973b785c..ec6799ee995 100644 --- a/source/blender/blenkernel/BKE_mesh.h +++ b/source/blender/blenkernel/BKE_mesh.h @@ -6,6 +6,9 @@ * \ingroup bke */ +#include "DNA_mesh_types.h" + +#include "BKE_customdata.h" #include "BKE_mesh_types.h" #include "BLI_compiler_attrs.h" #include "BLI_utildefines.h" @@ -1019,6 +1022,30 @@ char *BKE_mesh_debug_info(const struct Mesh *me) void BKE_mesh_debug_print(const struct Mesh *me) ATTR_NONNULL(1); #endif +/** + * \return The material index for each polygon. May be null. + * \note In C++ code, prefer using the attribute API (#MutableAttributeAccessor)/ + */ +BLI_INLINE const int *BKE_mesh_material_indices(const Mesh *mesh) +{ + return (const int *)CustomData_get_layer_named(&mesh->pdata, CD_PROP_INT32, "material_index"); +} + +/** + * \return The material index for each polygon. Create the layer if it doesn't exist. + * \note In C++ code, prefer using the attribute API (#MutableAttributeAccessor)/ + */ +BLI_INLINE int *BKE_mesh_material_indices_for_write(Mesh *mesh) +{ + int *indices = (int *)CustomData_duplicate_referenced_layer_named( + &mesh->pdata, CD_PROP_INT32, "material_index", mesh->totpoly); + if (indices) { + return indices; + } + return (int *)CustomData_add_layer_named( + &mesh->pdata, CD_PROP_INT32, CD_SET_DEFAULT, NULL, mesh->totpoly, "material_index"); +} + #ifdef __cplusplus } #endif |