diff options
-rw-r--r-- | intern/cycles/blender/blender_mesh.cpp | 76 | ||||
-rw-r--r-- | source/blender/blenkernel/intern/cachefile.c | 2 | ||||
-rw-r--r-- | source/blender/blenloader/intern/versioning_290.c | 25 | ||||
-rw-r--r-- | source/blender/editors/interface/interface_templates.c | 3 | ||||
-rw-r--r-- | source/blender/io/alembic/ABC_alembic.h | 10 | ||||
-rw-r--r-- | source/blender/io/alembic/intern/alembic_capi.cc | 139 | ||||
-rw-r--r-- | source/blender/makesdna/DNA_cachefile_types.h | 13 | ||||
-rw-r--r-- | source/blender/makesdna/DNA_modifier_types.h | 26 | ||||
-rw-r--r-- | source/blender/makesrna/intern/rna_cachefile.c | 27 | ||||
-rw-r--r-- | source/blender/makesrna/intern/rna_modifier.c | 92 | ||||
-rw-r--r-- | source/blender/modifiers/intern/MOD_meshsequencecache.c | 22 |
11 files changed, 432 insertions, 3 deletions
diff --git a/intern/cycles/blender/blender_mesh.cpp b/intern/cycles/blender/blender_mesh.cpp index 49407799fcd..9043cd81293 100644 --- a/intern/cycles/blender/blender_mesh.cpp +++ b/intern/cycles/blender/blender_mesh.cpp @@ -923,6 +923,73 @@ static void create_subd_mesh(Scene *scene, /* Sync */ +static BL::MeshSequenceCacheModifier object_mesh_cache_find(BL::Object &b_ob, BL::Scene b_scene) +{ + BL::Object::modifiers_iterator b_mod; + + for (b_ob.modifiers.begin(b_mod); b_mod != b_ob.modifiers.end(); ++b_mod) { + if (!b_mod->is_a(&RNA_MeshSequenceCacheModifier)) { + continue; + } + + BL::MeshSequenceCacheModifier mesh_cache = BL::MeshSequenceCacheModifier(*b_mod); + + if (MeshSequenceCacheModifier_has_velocity_get(&mesh_cache.ptr)) { + return mesh_cache; + } + } + + return BL::MeshSequenceCacheModifier(PointerRNA_NULL); +} + +static void sync_mesh_cached_velocities(BL::Object &b_ob, + BL::Scene b_scene, + Scene *scene, + Mesh *mesh) +{ + if (scene->need_motion() == Scene::MOTION_NONE) + return; + + BL::MeshSequenceCacheModifier b_mesh_cache = object_mesh_cache_find(b_ob, b_scene); + + if (!b_mesh_cache) { + return; + } + + /* Find or add attribute */ + float3 *P = &mesh->verts[0]; + Attribute *attr_mP = mesh->attributes.find(ATTR_STD_MOTION_VERTEX_POSITION); + + if (!attr_mP) { + attr_mP = mesh->attributes.add(ATTR_STD_MOTION_VERTEX_POSITION); + } + + if (!MeshSequenceCacheModifier_read_velocity_get(&b_mesh_cache.ptr)) { + return; + } + + const size_t numverts = mesh->verts.size(); + + if (b_mesh_cache.vertex_velocities.length() != numverts) { + return; + } + + /* Only export previous and next frame, we don't have any in between data. */ + float motion_times[2] = {-1.0f, 1.0f}; + for (int step = 0; step < 2; step++) { + const float relative_time = motion_times[step] * scene->motion_shutter_time() * 0.5f; + float3 *mP = attr_mP->data_float3() + step * numverts; + + BL::MeshSequenceCacheModifier::vertex_velocities_iterator vvi; + int i = 0; + + for (b_mesh_cache.vertex_velocities.begin(vvi); vvi != b_mesh_cache.vertex_velocities.end(); + ++vvi, ++i) { + mP[i] = P[i] + get_float3(vvi->velocity()) * relative_time; + } + } +} + static void sync_mesh_fluid_motion(BL::Object &b_ob, Scene *scene, Mesh *mesh) { if (scene->need_motion() == Scene::MOTION_NONE) @@ -1002,6 +1069,9 @@ void BlenderSync::sync_mesh(BL::Depsgraph b_depsgraph, } } + /* cached velocities (e.g. from alembic archive) */ + sync_mesh_cached_velocities(b_ob, b_depsgraph.scene(), scene, mesh); + /* mesh fluid motion mantaflow */ sync_mesh_fluid_motion(b_ob, scene, mesh); @@ -1023,6 +1093,12 @@ void BlenderSync::sync_mesh_motion(BL::Depsgraph b_depsgraph, return; } + /* Cached motion blur already exported. */ + BL::MeshSequenceCacheModifier mesh_cache = object_mesh_cache_find(b_ob, b_scene); + if (mesh_cache) { + return; + } + /* Skip if no vertices were exported. */ size_t numverts = mesh->verts.size(); if (numverts == 0) { diff --git a/source/blender/blenkernel/intern/cachefile.c b/source/blender/blenkernel/intern/cachefile.c index da9dab36044..9ad6ae84c5c 100644 --- a/source/blender/blenkernel/intern/cachefile.c +++ b/source/blender/blenkernel/intern/cachefile.c @@ -61,6 +61,8 @@ static void cache_file_init_data(ID *id) BLI_assert(MEMCMP_STRUCT_AFTER_IS_ZERO(cache_file, id)); cache_file->scale = 1.0f; + cache_file->velocity_unit = CACHEFILE_VELOCITY_UNIT_SECOND; + BLI_strncpy(cache_file->velocity_name, ".velocities", sizeof(cache_file->velocity_name)); } static void cache_file_copy_data(Main *UNUSED(bmain), diff --git a/source/blender/blenloader/intern/versioning_290.c b/source/blender/blenloader/intern/versioning_290.c index b6caa018756..c4c697254bd 100644 --- a/source/blender/blenloader/intern/versioning_290.c +++ b/source/blender/blenloader/intern/versioning_290.c @@ -22,9 +22,11 @@ #include "BLI_listbase.h" #include "BLI_math.h" +#include "BLI_string.h" #include "BLI_utildefines.h" #include "DNA_brush_types.h" +#include "DNA_cachefile_types.h" #include "DNA_constraint_types.h" #include "DNA_genfile.h" #include "DNA_gpencil_modifier_types.h" @@ -427,5 +429,28 @@ void blo_do_versions_290(FileData *fd, Library *UNUSED(lib), Main *bmain) } } } + + /* Initialise additional velocity parameter for CacheFiles. */ + if (!DNA_struct_elem_find( + fd->filesdna, "MeshSeqCacheModifierData", "float", "velocity_scale")) { + for (Object *object = bmain->objects.first; object != NULL; object = object->id.next) { + LISTBASE_FOREACH (ModifierData *, md, &object->modifiers) { + if (md->type == eModifierType_MeshSequenceCache) { + MeshSeqCacheModifierData *mcmd = (MeshSeqCacheModifierData *)md; + mcmd->velocity_scale = 1.0f; + mcmd->vertex_velocities = NULL; + mcmd->num_vertices = 0; + } + } + } + } + + if (!DNA_struct_elem_find(fd->filesdna, "CacheFile", "char", "velocity_unit")) { + for (CacheFile *cache_file = bmain->cachefiles.first; cache_file != NULL; + cache_file = cache_file->id.next) { + BLI_strncpy(cache_file->velocity_name, ".velocities", sizeof(cache_file->velocity_name)); + cache_file->velocity_unit = CACHEFILE_VELOCITY_UNIT_SECOND; + } + } } } diff --git a/source/blender/editors/interface/interface_templates.c b/source/blender/editors/interface/interface_templates.c index d3487b635ce..fcafa88a806 100644 --- a/source/blender/editors/interface/interface_templates.c +++ b/source/blender/editors/interface/interface_templates.c @@ -7348,6 +7348,9 @@ void uiTemplateCacheFile(uiLayout *layout, uiItemR(row, &fileptr, "scale", 0, IFACE_("Manual Scale"), ICON_NONE); } + uiItemR(layout, &fileptr, "velocity_name", 0, NULL, ICON_NONE); + uiItemR(layout, &fileptr, "velocity_unit", 0, NULL, ICON_NONE); + /* TODO: unused for now, so no need to expose. */ #if 0 row = uiLayoutRow(layout, false); diff --git a/source/blender/io/alembic/ABC_alembic.h b/source/blender/io/alembic/ABC_alembic.h index ddf75aa3258..67f8aeb0a67 100644 --- a/source/blender/io/alembic/ABC_alembic.h +++ b/source/blender/io/alembic/ABC_alembic.h @@ -128,6 +128,16 @@ struct CacheReader *CacheReader_open_alembic_object(struct AbcArchiveHandle *han struct Object *object, const char *object_path); +bool ABC_has_vec3_array_property_named(struct CacheReader *reader, const char *name); + +/* r_vertex_velocities should point to a preallocated array of num_vertices floats */ +int ABC_read_velocity_cache(struct CacheReader *reader, + const char *velocity_name, + float time, + float fps, + int num_vertices, + float *r_vertex_velocities); + #ifdef __cplusplus } #endif diff --git a/source/blender/io/alembic/intern/alembic_capi.cc b/source/blender/io/alembic/intern/alembic_capi.cc index 7cde2d4fe73..89eb9ed41a1 100644 --- a/source/blender/io/alembic/intern/alembic_capi.cc +++ b/source/blender/io/alembic/intern/alembic_capi.cc @@ -22,6 +22,7 @@ #include <Alembic/AbcMaterial/IMaterial.h> +#include "abc_axis_conversion.h" #include "abc_reader_archive.h" #include "abc_reader_camera.h" #include "abc_reader_curves.h" @@ -70,7 +71,10 @@ #include "WM_api.h" #include "WM_types.h" +using Alembic::Abc::IV3fArrayProperty; using Alembic::Abc::ObjectHeader; +using Alembic::Abc::PropertyHeader; +using Alembic::Abc::V3fArraySamplePtr; using Alembic::AbcGeom::ICamera; using Alembic::AbcGeom::ICurves; using Alembic::AbcGeom::IFaceSet; @@ -79,9 +83,11 @@ using Alembic::AbcGeom::INuPatch; using Alembic::AbcGeom::IObject; using Alembic::AbcGeom::IPoints; using Alembic::AbcGeom::IPolyMesh; +using Alembic::AbcGeom::IPolyMeshSchema; using Alembic::AbcGeom::ISampleSelector; using Alembic::AbcGeom::ISubD; using Alembic::AbcGeom::IXform; +using Alembic::AbcGeom::kWrapExisting; using Alembic::AbcGeom::MetaData; using Alembic::AbcMaterial::IMaterial; @@ -859,3 +865,136 @@ CacheReader *CacheReader_open_alembic_object(AbcArchiveHandle *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; +} diff --git a/source/blender/makesdna/DNA_cachefile_types.h b/source/blender/makesdna/DNA_cachefile_types.h index 1175c7f0dc0..376041e0cce 100644 --- a/source/blender/makesdna/DNA_cachefile_types.h +++ b/source/blender/makesdna/DNA_cachefile_types.h @@ -53,6 +53,13 @@ typedef struct AlembicObjectPath { char path[4096]; } AlembicObjectPath; +/* CacheFile::velocity_unit + * Determines what temporal unit is used to interpret velocity vectors for motion blur effects. */ +enum { + CACHEFILE_VELOCITY_UNIT_FRAME, + CACHEFILE_VELOCITY_UNIT_SECOND, +}; + typedef struct CacheFile { ID id; struct AnimData *adt; @@ -78,7 +85,11 @@ typedef struct CacheFile { short flag; short draw_flag; /* UNUSED */ - char _pad[4]; + char _pad[3]; + + char velocity_unit; + /* Name of the velocity property in the Alembic file. */ + char velocity_name[64]; /* Runtime */ struct AbcArchiveHandle *handle; diff --git a/source/blender/makesdna/DNA_modifier_types.h b/source/blender/makesdna/DNA_modifier_types.h index 8c564bda3d0..9b1543d0f79 100644 --- a/source/blender/makesdna/DNA_modifier_types.h +++ b/source/blender/makesdna/DNA_modifier_types.h @@ -2052,6 +2052,10 @@ enum { MOD_NORMALEDIT_MIX_MUL = 3, }; +typedef struct MeshCacheVertexVelocity { + float vel[3]; +} MeshCacheVertexVelocity; + typedef struct MeshSeqCacheModifierData { ModifierData modifier; @@ -2060,11 +2064,31 @@ typedef struct MeshSeqCacheModifierData { char object_path[1024]; char read_flag; - char _pad[7]; + char _pad[3]; + + float velocity_scale; /* Runtime. */ struct CacheReader *reader; char reader_object_path[1024]; + + /* Vertex velocities read from the cache. The velocities are not automatically read during + * modifier execution, and therefore have to manually be read when needed. This is only used + * through the RNA for now. */ + struct MeshCacheVertexVelocity *vertex_velocities; + + /* The number of vertices of the Alembic mesh, set when the modifier is executed. */ + int num_vertices; + + /* Time (in frames or seconds) between two velocity samples. Automatically computed to + * scale the velocity vectors at render time for generating proper motion blur data. */ + float velocity_delta; + + /* Caches the scene time (in seconds) used to lookup data in the Alembic archive when the + * modifier was last executed. Used to access Alembic samples through the RNA. */ + float last_lookup_time; + + int _pad1; } MeshSeqCacheModifierData; /* MeshSeqCacheModifierData.read_flag */ diff --git a/source/blender/makesrna/intern/rna_cachefile.c b/source/blender/makesrna/intern/rna_cachefile.c index f9275ef1993..00cd95c4492 100644 --- a/source/blender/makesrna/intern/rna_cachefile.c +++ b/source/blender/makesrna/intern/rna_cachefile.c @@ -174,6 +174,33 @@ static void rna_def_cachefile(BlenderRNA *brna) RNA_def_property_ui_text( prop, "Object Paths", "Paths of the objects inside the Alembic archive"); + /* ----------------- Alembic Velocity Attribute ----------------- */ + + prop = RNA_def_property(srna, "velocity_name", PROP_STRING, PROP_NONE); + RNA_def_property_ui_text(prop, + "Velocity Attribute", + "Name of the Alembic attribute used for generating motion blur data"); + RNA_def_struct_name_property(srna, prop); + RNA_def_property_update(prop, 0, "rna_CacheFile_update"); + RNA_def_property_clear_flag(prop, PROP_ANIMATABLE); + + static const EnumPropertyItem velocity_unit_items[] = { + {CACHEFILE_VELOCITY_UNIT_SECOND, "SECOND", 0, "Second", ""}, + {CACHEFILE_VELOCITY_UNIT_FRAME, "FRAME", 0, "Frame", ""}, + {0, NULL, 0, NULL, NULL}, + }; + + prop = RNA_def_property(srna, "velocity_unit", PROP_ENUM, PROP_NONE); + RNA_def_property_enum_sdna(prop, NULL, "velocity_unit"); + RNA_def_property_enum_items(prop, velocity_unit_items); + RNA_def_property_ui_text( + prop, + "Velocity Unit", + "Define how the velocity vectors are interpreted with regard to time, 'frame' means " + "the delta time is 1 frame, 'second' means the delta time is 1 / FPS"); + RNA_def_property_update(prop, 0, "rna_CacheFile_update"); + RNA_def_property_clear_flag(prop, PROP_ANIMATABLE); + RNA_define_lib_overridable(false); rna_def_cachefile_object_paths(brna, prop); diff --git a/source/blender/makesrna/intern/rna_modifier.c b/source/blender/makesrna/intern/rna_modifier.c index d4b1009df4d..ea33307060c 100644 --- a/source/blender/makesrna/intern/rna_modifier.c +++ b/source/blender/makesrna/intern/rna_modifier.c @@ -113,7 +113,7 @@ const EnumPropertyItem rna_enum_object_modifier_type_items[] = { {0, "", 0, N_("Generate"), ""}, {eModifierType_Array, "ARRAY", - ICON_MOD_ARRAY, + ICON_MOD_ARRAY, "Array", "Create copies of the shape with offsets"}, {eModifierType_Bevel, @@ -1699,6 +1699,51 @@ static bool rna_Modifier_show_expanded_get(PointerRNA *ptr) return md->ui_expand_flag & (1 << 0); } +static int rna_MeshSequenceCacheModifier_has_velocity_get(PointerRNA *ptr) +{ +# ifdef WITH_ALEMBIC + MeshSeqCacheModifierData *mcmd = (MeshSeqCacheModifierData *)ptr->data; + return ABC_has_vec3_array_property_named(mcmd->reader, mcmd->cache_file->velocity_name); +# else + return false; + UNUSED_VARS(ptr); +# endif +} + +static int rna_MeshSequenceCacheModifier_read_velocity_get(PointerRNA *ptr) +{ +# ifdef WITH_ALEMBIC + MeshSeqCacheModifierData *mcmd = (MeshSeqCacheModifierData *)ptr->data; + + if (mcmd->num_vertices == 0) { + return 0; + } + + if (mcmd->vertex_velocities) { + MEM_freeN(mcmd->vertex_velocities); + } + + mcmd->vertex_velocities = MEM_mallocN(sizeof(MeshCacheVertexVelocity) * mcmd->num_vertices, + "Mesh Cache Velocities"); + + int num_read = ABC_read_velocity_cache(mcmd->reader, + mcmd->cache_file->velocity_name, + mcmd->last_lookup_time, + mcmd->velocity_scale * mcmd->velocity_delta, + mcmd->num_vertices, + (float *)mcmd->vertex_velocities); + + if (num_read == -1 || num_read != mcmd->num_vertices) { + return false; + } + + return true; +# else + return false; + UNUSED_VARS(ptr); +# endif +} + #else /* NOTE: *MUST* return subdivision_type property. */ @@ -6066,6 +6111,22 @@ static void rna_def_modifier_meshcache(BlenderRNA *brna) RNA_define_lib_overridable(false); } +static void rna_def_mesh_cache_velocities(BlenderRNA *brna) +{ + StructRNA *srna; + PropertyRNA *prop; + + srna = RNA_def_struct(brna, "MeshCacheVertexVelocity", NULL); + RNA_def_struct_ui_text(srna, "Mesh Cache Velocity", "Velocity attribute of an Alembic mesh"); + RNA_def_struct_ui_icon(srna, ICON_VERTEXSEL); + + prop = RNA_def_property(srna, "velocity", PROP_FLOAT, PROP_VELOCITY); + RNA_def_property_array(prop, 3); + RNA_def_property_float_sdna(prop, NULL, "vel"); + RNA_def_property_ui_text(prop, "Velocity", ""); + RNA_def_property_clear_flag(prop, PROP_EDITABLE); +} + static void rna_def_modifier_meshseqcache(BlenderRNA *brna) { StructRNA *srna; @@ -6108,6 +6169,35 @@ static void rna_def_modifier_meshseqcache(BlenderRNA *brna) RNA_def_property_update(prop, 0, "rna_Modifier_update"); + prop = RNA_def_property(srna, "velocity_scale", PROP_FLOAT, PROP_NONE); + RNA_def_property_float_sdna(prop, NULL, "velocity_scale"); + RNA_def_property_range(prop, 0.0f, FLT_MAX); + RNA_def_property_ui_text( + prop, + "Velocity Scale", + "Multiplier used to control the magnitude of the velocity vectors for time effects"); + RNA_def_property_update(prop, 0, "rna_Modifier_update"); + + /* -------------------------- Velocity Vectors -------------------------- */ + + prop = RNA_def_property(srna, "vertex_velocities", PROP_COLLECTION, PROP_NONE); + RNA_def_property_collection_sdna(prop, NULL, "vertex_velocities", "num_vertices"); + RNA_def_property_struct_type(prop, "MeshCacheVertexVelocity"); + RNA_def_property_ui_text( + prop, "Fluid Mesh Vertices", "Vertices of the fluid mesh generated by simulation"); + + rna_def_mesh_cache_velocities(brna); + + prop = RNA_def_property(srna, "has_velocity", PROP_BOOLEAN, PROP_NONE); + RNA_def_property_ui_text(prop, "Has Velocity Cache", ""); + RNA_def_property_boolean_funcs(prop, "rna_MeshSequenceCacheModifier_has_velocity_get", NULL); + RNA_def_property_clear_flag(prop, PROP_EDITABLE); + + prop = RNA_def_property(srna, "read_velocity", PROP_BOOLEAN, PROP_NONE); + RNA_def_property_ui_text(prop, "Read Velocity Cache", ""); + RNA_def_property_boolean_funcs(prop, "rna_MeshSequenceCacheModifier_read_velocity_get", NULL); + RNA_def_property_clear_flag(prop, PROP_EDITABLE); + RNA_define_lib_overridable(false); } diff --git a/source/blender/modifiers/intern/MOD_meshsequencecache.c b/source/blender/modifiers/intern/MOD_meshsequencecache.c index 8f6676dd0b2..5513e6b4971 100644 --- a/source/blender/modifiers/intern/MOD_meshsequencecache.c +++ b/source/blender/modifiers/intern/MOD_meshsequencecache.c @@ -33,6 +33,8 @@ #include "DNA_scene_types.h" #include "DNA_screen_types.h" +#include "MEM_guardedalloc.h" + #include "BKE_cachefile.h" #include "BKE_context.h" #include "BKE_lib_query.h" @@ -65,6 +67,9 @@ static void initData(ModifierData *md) mcmd->cache_file = NULL; mcmd->object_path[0] = '\0'; mcmd->read_flag = MOD_MESHSEQ_READ_ALL; + mcmd->velocity_scale = 1.0f; + mcmd->vertex_velocities = NULL; + mcmd->num_vertices = 0; mcmd->reader = NULL; mcmd->reader_object_path[0] = '\0'; @@ -91,6 +96,10 @@ static void freeData(ModifierData *md) mcmd->reader_object_path[0] = '\0'; BKE_cachefile_reader_free(mcmd->cache_file, &mcmd->reader); } + + if (mcmd->vertex_velocities) { + MEM_freeN(mcmd->vertex_velocities); + } } static bool isDisabled(const struct Scene *UNUSED(scene), @@ -154,6 +163,17 @@ static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh * Mesh *result = ABC_read_mesh(mcmd->reader, ctx->object, mesh, time, &err_str, mcmd->read_flag); + mcmd->velocity_delta = 1.0f; + if (mcmd->cache_file->velocity_unit == CACHEFILE_VELOCITY_UNIT_SECOND) { + mcmd->velocity_delta /= FPS; + } + + mcmd->last_lookup_time = time; + + if (result != NULL) { + mcmd->num_vertices = result->totvert; + } + if (err_str) { BKE_modifier_set_error(md, "%s", err_str); } @@ -221,6 +241,8 @@ static void panel_draw(const bContext *C, Panel *panel) uiItemR(layout, &ptr, "read_data", UI_ITEM_R_EXPAND, NULL, ICON_NONE); } + uiItemR(layout, &ptr, "velocity_scale", 0, NULL, ICON_NONE); + modifier_panel_end(layout, &ptr); } |