diff options
Diffstat (limited to 'source/blender/blenkernel/intern/customdata.c')
| -rw-r--r-- | source/blender/blenkernel/intern/customdata.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/customdata.c b/source/blender/blenkernel/intern/customdata.c index f728436a759..b75efb6cdf1 100644 --- a/source/blender/blenkernel/intern/customdata.c +++ b/source/blender/blenkernel/intern/customdata.c @@ -35,6 +35,8 @@ #include "DNA_meshdata_types.h" #include "DNA_pointcloud_types.h" +#include "BLI_bitmap.h" +#include "BLI_endian_switch.h" #include "BLI_math.h" #include "BLI_math_color_blend.h" #include "BLI_mempool.h" @@ -47,10 +49,14 @@ #include "BKE_customdata.h" #include "BKE_customdata_file.h" +#include "BKE_deform.h" #include "BKE_main.h" #include "BKE_mesh_mapping.h" #include "BKE_mesh_remap.h" #include "BKE_multires.h" +#include "BKE_subsurf.h" + +#include "BLO_read_write.h" #include "bmesh.h" @@ -5155,3 +5161,181 @@ void CustomData_data_transfer(const MeshPairRemap *me_remap, MEM_SAFE_FREE(tmp_data_src); } + +static void write_mdisps(BlendWriter *writer, int count, MDisps *mdlist, int external) +{ + if (mdlist) { + BLO_write_struct_array(writer, MDisps, count, mdlist); + for (int i = 0; i < count; i++) { + MDisps *md = &mdlist[i]; + if (md->disps) { + if (!external) { + BLO_write_float3_array(writer, md->totdisp, &md->disps[0][0]); + } + } + + if (md->hidden) { + BLO_write_raw(writer, BLI_BITMAP_SIZE(md->totdisp), md->hidden); + } + } + } +} + +static void write_grid_paint_mask(BlendWriter *writer, int count, GridPaintMask *grid_paint_mask) +{ + if (grid_paint_mask) { + BLO_write_struct_array(writer, GridPaintMask, count, grid_paint_mask); + for (int i = 0; i < count; i++) { + GridPaintMask *gpm = &grid_paint_mask[i]; + if (gpm->data) { + const int gridsize = BKE_ccg_gridsize(gpm->level); + BLO_write_raw(writer, sizeof(*gpm->data) * gridsize * gridsize, gpm->data); + } + } + } +} + +void CustomData_blend_write( + BlendWriter *writer, CustomData *data, int count, CustomDataMask cddata_mask, ID *id) +{ + CustomDataLayer *layers = NULL; + CustomDataLayer layers_buff[CD_TEMP_CHUNK_SIZE]; + CustomData_file_write_prepare(data, &layers, layers_buff, ARRAY_SIZE(layers_buff)); + + /* write external customdata (not for undo) */ + if (data->external && !BLO_write_is_undo(writer)) { + CustomData_external_write(data, id, cddata_mask, count, 0); + } + + BLO_write_struct_array_at_address(writer, CustomDataLayer, data->totlayer, data->layers, layers); + + for (int i = 0; i < data->totlayer; i++) { + CustomDataLayer *layer = &layers[i]; + + if (layer->type == CD_MDEFORMVERT) { + /* layer types that allocate own memory need special handling */ + BKE_defvert_blend_write(writer, count, layer->data); + } + else if (layer->type == CD_MDISPS) { + write_mdisps(writer, count, layer->data, layer->flag & CD_FLAG_EXTERNAL); + } + else if (layer->type == CD_PAINT_MASK) { + const float *layer_data = layer->data; + BLO_write_raw(writer, sizeof(*layer_data) * count, layer_data); + } + else if (layer->type == CD_SCULPT_FACE_SETS) { + const float *layer_data = layer->data; + BLO_write_raw(writer, sizeof(*layer_data) * count, layer_data); + } + else if (layer->type == CD_GRID_PAINT_MASK) { + write_grid_paint_mask(writer, count, layer->data); + } + else if (layer->type == CD_FACEMAP) { + const int *layer_data = layer->data; + BLO_write_raw(writer, sizeof(*layer_data) * count, layer_data); + } + else { + const char *structname; + int structnum; + CustomData_file_write_info(layer->type, &structname, &structnum); + if (structnum) { + int datasize = structnum * count; + BLO_write_struct_array_by_name(writer, structname, datasize, layer->data); + } + else if (!BLO_write_is_undo(writer)) { /* Do not warn on undo. */ + printf("%s error: layer '%s':%d - can't be written to file\n", + __func__, + structname, + layer->type); + } + } + } + + if (data->external) { + BLO_write_struct(writer, CustomDataExternal, data->external); + } + + if (!ELEM(layers, NULL, layers_buff)) { + MEM_freeN(layers); + } +} + +static void blend_read_mdisps(BlendDataReader *reader, int count, MDisps *mdisps, int external) +{ + if (mdisps) { + for (int i = 0; i < count; i++) { + BLO_read_data_address(reader, &mdisps[i].disps); + BLO_read_data_address(reader, &mdisps[i].hidden); + + if (mdisps[i].totdisp && !mdisps[i].level) { + /* this calculation is only correct for loop mdisps; + * if loading pre-BMesh face mdisps this will be + * overwritten with the correct value in + * bm_corners_to_loops() */ + float gridsize = sqrtf(mdisps[i].totdisp); + mdisps[i].level = (int)(logf(gridsize - 1.0f) / (float)M_LN2) + 1; + } + + if (BLO_read_requires_endian_switch(reader) && (mdisps[i].disps)) { + /* DNA_struct_switch_endian doesn't do endian swap for (*disps)[] */ + /* this does swap for data written at write_mdisps() - readfile.c */ + BLI_endian_switch_float_array(*mdisps[i].disps, mdisps[i].totdisp * 3); + } + if (!external && !mdisps[i].disps) { + mdisps[i].totdisp = 0; + } + } + } +} + +static void blend_read_paint_mask(BlendDataReader *reader, + int count, + GridPaintMask *grid_paint_mask) +{ + if (grid_paint_mask) { + for (int i = 0; i < count; i++) { + GridPaintMask *gpm = &grid_paint_mask[i]; + if (gpm->data) { + BLO_read_data_address(reader, &gpm->data); + } + } + } +} + +void CustomData_blend_read(BlendDataReader *reader, CustomData *data, int count) +{ + BLO_read_data_address(reader, &data->layers); + + /* annoying workaround for bug [#31079] loading legacy files with + * no polygons _but_ have stale customdata */ + if (UNLIKELY(count == 0 && data->layers == NULL && data->totlayer != 0)) { + CustomData_reset(data); + return; + } + + BLO_read_data_address(reader, &data->external); + + int i = 0; + while (i < data->totlayer) { + CustomDataLayer *layer = &data->layers[i]; + + if (layer->flag & CD_FLAG_EXTERNAL) { + layer->flag &= ~CD_FLAG_IN_MEMORY; + } + + layer->flag &= ~CD_FLAG_NOFREE; + + if (CustomData_verify_versions(data, i)) { + BLO_read_data_address(reader, &layer->data); + if (layer->type == CD_MDISPS) { + blend_read_mdisps(reader, count, layer->data, layer->flag & CD_FLAG_EXTERNAL); + } + else if (layer->type == CD_GRID_PAINT_MASK) { + blend_read_paint_mask(reader, count, layer->data); + } + i++; + } + } + + CustomData_update_typemap(data); +} |