diff options
Diffstat (limited to 'source/blender/blenkernel/BKE_customdata.h')
| -rw-r--r-- | source/blender/blenkernel/BKE_customdata.h | 88 |
1 files changed, 86 insertions, 2 deletions
diff --git a/source/blender/blenkernel/BKE_customdata.h b/source/blender/blenkernel/BKE_customdata.h index 30a58891bda..08edde1cec0 100644 --- a/source/blender/blenkernel/BKE_customdata.h +++ b/source/blender/blenkernel/BKE_customdata.h @@ -41,6 +41,8 @@ extern "C" { #include "BLI_sys_types.h" #include "BLI_utildefines.h" +#include "DNA_customdata_types.h" + struct BMesh; struct ID; struct CustomData; @@ -77,6 +79,9 @@ extern const CustomDataMask CD_MASK_EVERYTHING; void customData_mask_layers__print(CustomDataMask mask); +typedef void (*cd_interp)(void **sources, const float *weights, const float *sub_weights, int count, void *dest); +typedef void (*cd_copy)(const void *source, void *dest, int count); + /** * Checks if the layer at physical offset \a layer_n (in data->layers) support math * the below operations. @@ -96,6 +101,9 @@ bool CustomData_bmesh_has_free(const struct CustomData *data); * implemented for mloopuv/mloopcol, for now.*/ void CustomData_data_copy_value(int type, const void *source, void *dest); +/* Same as above, but doing advanced mixing. Only available for a few types of data (like colors...). */ +void CustomData_data_mix_value(int type, const void *source, void *dest, const int mixmode, const float mixfactor); + /* compares if data1 is equal to data2. type is a valid CustomData type * enum (e.g. CD_MLOOPUV). the layer type's equal function is used to compare * the data, if it exists, otherwise memcmp is used.*/ @@ -246,14 +254,14 @@ void *CustomData_bmesh_get_n(const struct CustomData *data, void *block, int typ void *CustomData_bmesh_get_layer_n(const struct CustomData *data, void *block, int n); bool CustomData_set_layer_name(const struct CustomData *data, int type, int n, const char *name); +const char *CustomData_get_layer_name(const struct CustomData *data, int type, int n); /* gets a pointer to the active or first layer of type * returns NULL if there is no layer of type */ void *CustomData_get_layer(const struct CustomData *data, int type); void *CustomData_get_layer_n(const struct CustomData *data, int type, int n); -void *CustomData_get_layer_named(const struct CustomData *data, int type, - const char *name); +void *CustomData_get_layer_named(const struct CustomData *data, int type, const char *name); int CustomData_get_offset(const struct CustomData *data, int type); int CustomData_get_n_offset(const struct CustomData *data, int type, int n); @@ -362,6 +370,82 @@ void CustomData_external_read(struct CustomData *data, void CustomData_external_reload(struct CustomData *data, struct ID *id, CustomDataMask mask, int totelem); +/* Mesh-to-mesh transfer data. */ + +struct MeshPairRemap; +typedef struct CustomDataTransferLayerMap CustomDataTransferLayerMap; + +typedef void (*cd_datatransfer_interp)( + const CustomDataTransferLayerMap *laymap, void *dest, + void **sources, const float *weights, const int count, const float mix_factor); + +/** + * Fake CD_LAYERS (those are actually 'real' data stored directly into elements' structs, or otherwise not (directly) + * accessible to usual CDLayer system). */ +enum { + CD_FAKE = 1 << 8, + + /* Vertices. */ + CD_FAKE_MDEFORMVERT = CD_FAKE | CD_MDEFORMVERT, /* *sigh* due to how vgroups are stored :( . */ + CD_FAKE_SHAPEKEY = CD_FAKE | CD_SHAPEKEY, /* Not available as real CD layer in non-bmesh context. */ + + /* Edges. */ + CD_FAKE_SEAM = CD_FAKE | 100, /* UV seam flag for edges. */ + CD_FAKE_CREASE = CD_FAKE | CD_CREASE, /* *sigh*. */ + + /* Multiple types of mesh elements... */ + CD_FAKE_BWEIGHT = CD_FAKE | CD_BWEIGHT, /* *sigh*. */ + CD_FAKE_UV = CD_FAKE | CD_MLOOPUV, /* UV flag, because we handle both loop's UVs and poly's textures. */ + + CD_FAKE_SHARP = CD_FAKE | 200, /* Sharp flag for edges, smooth flag for faces. */ +}; + +enum { + ME_VERT = 1 << 0, + ME_EDGE = 1 << 1, + ME_POLY = 1 << 2, + ME_LOOP = 1 << 3, +}; + +/** + * How to filter out some elements (to leave untouched). + * Note those options are highly dependent on type of transferred data! */ +enum { + CDT_MIX_NOMIX = -1, /* Special case, only used because we abuse 'copy' CD callback. */ + CDT_MIX_TRANSFER = 0, + CDT_MIX_REPLACE_ABOVE_THRESHOLD = 1, + CDT_MIX_REPLACE_BELOW_THRESHOLD = 2, + CDT_MIX_MIX = 16, + CDT_MIX_ADD = 17, + CDT_MIX_SUB = 18, + CDT_MIX_MUL = 19, + /* etc. etc. */ +}; + +typedef struct CustomDataTransferLayerMap { + CustomDataTransferLayerMap *next, *prev; + + int data_type; + int mix_mode; + float mix_factor; + const float *mix_weights; /* If non-NULL, array of weights, one for each dest item, replaces mix_factor. */ + + void *data_src; /* Data source array (can be regular CD data, vertices/edges/etc., keyblocks...). */ + void *data_dst; /* Data dest array (same type as dat_src). */ + int data_src_n; /* Index to affect in data_src (used e.g. for vgroups). */ + int data_dst_n; /* Index to affect in data_dst (used e.g. for vgroups). */ + size_t elem_size; /* Size of one element of data_src/data_dst. */ + + size_t data_size; /* Size of actual data we transfer. */ + size_t data_offset; /* Offset of actual data we transfer (in element contained in data_src/dst). */ + uint64_t data_flag; /* For bitflag transfer, flag(s) to affect in transfered data. */ + + cd_datatransfer_interp interp; +} CustomDataTransferLayerMap; + +/* Those functions assume src_n and dst_n layers of given type exist in resp. src and dst. */ +void CustomData_data_transfer(const struct MeshPairRemap *me_remap, const CustomDataTransferLayerMap *laymap); + #ifdef __cplusplus } #endif |