diff options
Diffstat (limited to 'source/blender/io/alembic/intern/alembic_capi.cc')
| -rw-r--r-- | source/blender/io/alembic/intern/alembic_capi.cc | 140 |
1 files changed, 5 insertions, 135 deletions
diff --git a/source/blender/io/alembic/intern/alembic_capi.cc b/source/blender/io/alembic/intern/alembic_capi.cc index deb945b767c..63565b902f3 100644 --- a/source/blender/io/alembic/intern/alembic_capi.cc +++ b/source/blender/io/alembic/intern/alembic_capi.cc @@ -786,7 +786,9 @@ Mesh *ABC_read_mesh(CacheReader *reader, Mesh *existing_mesh, const float time, const char **err_str, - int read_flag) + const int read_flag, + const char *velocity_name, + const float velocity_scale) { AbcObjectReader *abc_reader = get_abc_reader(reader, ob, err_str); if (abc_reader == nullptr) { @@ -794,7 +796,8 @@ Mesh *ABC_read_mesh(CacheReader *reader, } ISampleSelector sample_sel = sample_selector_for_time(time); - return abc_reader->read_mesh(existing_mesh, sample_sel, read_flag, err_str); + return abc_reader->read_mesh( + existing_mesh, sample_sel, read_flag, velocity_name, velocity_scale, err_str); } bool ABC_mesh_topology_changed( @@ -860,136 +863,3 @@ CacheReader *CacheReader_open_alembic_object(CacheArchiveHandle *handle, return reinterpret_cast<CacheReader *>(abc_reader); } - -/* ************************************************************************** */ - -static const PropertyHeader *get_property_header(const IPolyMeshSchema &schema, const char *name) -{ - const PropertyHeader *prop_header = schema.getPropertyHeader(name); - - if (prop_header) { - return prop_header; - } - - ICompoundProperty prop = schema.getArbGeomParams(); - - if (!has_property(prop, name)) { - return nullptr; - } - - return prop.getPropertyHeader(name); -} - -bool ABC_has_vec3_array_property_named(struct CacheReader *reader, const char *name) -{ - AbcObjectReader *abc_reader = reinterpret_cast<AbcObjectReader *>(reader); - - if (!abc_reader) { - return false; - } - - IObject iobject = abc_reader->iobject(); - - if (!iobject.valid()) { - return false; - } - - const ObjectHeader &header = iobject.getHeader(); - - if (!IPolyMesh::matches(header)) { - return false; - } - - IPolyMesh mesh(iobject, kWrapExisting); - IPolyMeshSchema schema = mesh.getSchema(); - - const PropertyHeader *prop_header = get_property_header(schema, name); - - if (!prop_header) { - return false; - } - - return IV3fArrayProperty::matches(prop_header->getMetaData()); -} - -static V3fArraySamplePtr get_velocity_prop(const IPolyMeshSchema &schema, - const ISampleSelector &iss, - const std::string &name) -{ - const PropertyHeader *prop_header = schema.getPropertyHeader(name); - - if (prop_header) { - const IV3fArrayProperty &velocity_prop = IV3fArrayProperty(schema, name, 0); - return velocity_prop.getValue(iss); - } - - ICompoundProperty prop = schema.getArbGeomParams(); - - if (!has_property(prop, name)) { - return V3fArraySamplePtr(); - } - - const IV3fArrayProperty &velocity_prop = IV3fArrayProperty(prop, name, 0); - - if (velocity_prop) { - return velocity_prop.getValue(iss); - } - - return V3fArraySamplePtr(); -} - -int ABC_read_velocity_cache(CacheReader *reader, - const char *velocity_name, - const float time, - float velocity_scale, - int num_vertices, - float *r_vertex_velocities) -{ - AbcObjectReader *abc_reader = reinterpret_cast<AbcObjectReader *>(reader); - - if (!abc_reader) { - return -1; - } - - IObject iobject = abc_reader->iobject(); - - if (!iobject.valid()) { - return -1; - } - - const ObjectHeader &header = iobject.getHeader(); - - if (!IPolyMesh::matches(header)) { - return -1; - } - - IPolyMesh mesh(iobject, kWrapExisting); - IPolyMeshSchema schema = mesh.getSchema(); - ISampleSelector sample_sel(time); - const IPolyMeshSchema::Sample sample = schema.getValue(sample_sel); - - V3fArraySamplePtr velocities = get_velocity_prop(schema, sample_sel, velocity_name); - - if (!velocities) { - return -1; - } - - float vel[3]; - - int num_velocity_vectors = static_cast<int>(velocities->size()); - - if (num_velocity_vectors != num_vertices) { - return -1; - } - - for (size_t i = 0; i < velocities->size(); ++i) { - const Imath::V3f &vel_in = (*velocities)[i]; - copy_zup_from_yup(vel, vel_in.getValue()); - - mul_v3_fl(vel, velocity_scale); - - copy_v3_v3(r_vertex_velocities + i * 3, vel); - } - - return num_vertices; -} |