diff options
Diffstat (limited to 'source/blender/blenkernel/BKE_mesh_mapping.h')
| -rw-r--r-- | source/blender/blenkernel/BKE_mesh_mapping.h | 46 |
1 files changed, 31 insertions, 15 deletions
diff --git a/source/blender/blenkernel/BKE_mesh_mapping.h b/source/blender/blenkernel/BKE_mesh_mapping.h index c58bcbea242..abe590b6806 100644 --- a/source/blender/blenkernel/BKE_mesh_mapping.h +++ b/source/blender/blenkernel/BKE_mesh_mapping.h @@ -17,11 +17,10 @@ struct MLoopUV; struct MPoly; struct MVert; -/* map from uv vertex to face (for select linked, stitch, uv suburf) */ - /* UvVertMap */ #define STD_UV_CONNECT_LIMIT 0.0001f +/* Map from uv vertex to face. Used by select linked, uv subdivision-surface and obj exporter. */ typedef struct UvVertMap { struct UvMapVert **vert; struct UvMapVert *buf; @@ -52,21 +51,37 @@ typedef struct UvElement { unsigned int island; } UvElement; -/* UvElementMap is a container for UvElements of a mesh. It stores some UvElements belonging to the - * same uv island in sequence and the number of uvs per island so it is possible to access all uvs - * belonging to an island directly by iterating through the buffer. +/** UvElementMap is a container for UvElements of a BMesh. + * + * It simplifies access to UV information and ensures the + * different UV selection modes are respected. + * + * If islands are calculated, it also stores UvElements + * belonging to the same uv island in sequence and + * the number of uvs per island. */ typedef struct UvElementMap { - /* address UvElements by their vertex */ - struct UvElement **vert; - /* UvElement Store */ - struct UvElement *buf; - /* Total number of UVs in the layer. Useful to know */ - int totalUVs; - /* Number of Islands in the mesh */ - int totalIslands; - /* Stores the starting index in buf where each island begins */ - int *islandIndices; + /** UvElement Storage. */ + struct UvElement *storage; + /** Total number of UVs. */ + int total_uvs; + /** Total number of unique UVs. */ + int total_unique_uvs; + + /** If Non-NULL, address UvElements by `BM_elem_index_get(BMVert*)`. */ + struct UvElement **vertex; + + /** If Non-NULL, pointer to local head of each unique UV. */ + struct UvElement **head_table; + + /** Number of islands, or zero if not calculated. */ + int total_islands; + /** Array of starting index in #storage where each island begins. */ + int *island_indices; + /** Array of number of UVs in each island. */ + int *island_total_uvs; + /** Array of number of unique UVs in each island. */ + int *island_total_unique_uvs; } UvElementMap; /* Connectivity data */ @@ -77,6 +92,7 @@ typedef struct MeshElemMap { /* mapping */ UvVertMap *BKE_mesh_uv_vert_map_create(const struct MPoly *mpoly, + const bool *hide_poly, const struct MLoop *mloop, const struct MLoopUV *mloopuv, unsigned int totpoly, |