144 lines
4.5 KiB
C++
144 lines
4.5 KiB
C++
/* SPDX-FileCopyrightText: 2021-2022 Blender Foundation
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*
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* SPDX-License-Identifier: Apache-2.0 */
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#pragma once
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#ifdef WITH_ALEMBIC
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# include <Alembic/AbcCoreFactory/All.h>
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# include <Alembic/AbcGeom/All.h>
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# include "util/vector.h"
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CCL_NAMESPACE_BEGIN
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class AlembicProcedural;
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class AttributeRequestSet;
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class Progress;
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struct CachedData;
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/* Maps a FaceSet whose name matches that of a Shader to the index of said shader in the Geometry's
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* used_shaders list. */
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struct FaceSetShaderIndexPair {
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Alembic::AbcGeom::IFaceSet face_set;
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int shader_index;
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};
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/* Data of an IPolyMeshSchema that we need to read. */
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struct PolyMeshSchemaData {
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Alembic::AbcGeom::TimeSamplingPtr time_sampling;
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size_t num_samples;
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Alembic::AbcGeom::MeshTopologyVariance topology_variance;
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Alembic::AbcGeom::IP3fArrayProperty positions;
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Alembic::AbcGeom::IInt32ArrayProperty face_indices;
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Alembic::AbcGeom::IInt32ArrayProperty face_counts;
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Alembic::AbcGeom::IN3fGeomParam normals;
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vector<FaceSetShaderIndexPair> shader_face_sets;
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// Unsupported for now.
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Alembic::AbcGeom::IV3fArrayProperty velocities;
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};
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void read_geometry_data(AlembicProcedural *proc,
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CachedData &cached_data,
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const PolyMeshSchemaData &data,
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Progress &progress);
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/* Data of an ISubDSchema that we need to read. */
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struct SubDSchemaData {
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Alembic::AbcGeom::TimeSamplingPtr time_sampling;
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size_t num_samples;
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Alembic::AbcGeom::MeshTopologyVariance topology_variance;
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Alembic::AbcGeom::IInt32ArrayProperty face_counts;
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Alembic::AbcGeom::IInt32ArrayProperty face_indices;
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Alembic::AbcGeom::IP3fArrayProperty positions;
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Alembic::AbcGeom::IInt32ArrayProperty crease_indices;
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Alembic::AbcGeom::IInt32ArrayProperty crease_lengths;
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Alembic::AbcGeom::IFloatArrayProperty crease_sharpnesses;
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vector<FaceSetShaderIndexPair> shader_face_sets;
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Alembic::AbcGeom::IInt32ArrayProperty corner_indices;
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Alembic::AbcGeom::IFloatArrayProperty corner_sharpnesses;
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// Those are unsupported for now.
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Alembic::AbcGeom::IInt32Property face_varying_interpolate_boundary;
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Alembic::AbcGeom::IInt32Property face_varying_propagate_corners;
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Alembic::AbcGeom::IInt32Property interpolate_boundary;
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Alembic::AbcGeom::IInt32ArrayProperty holes;
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Alembic::AbcGeom::IStringProperty subdivision_scheme;
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Alembic::AbcGeom::IV3fArrayProperty velocities;
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};
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void read_geometry_data(AlembicProcedural *proc,
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CachedData &cached_data,
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const SubDSchemaData &data,
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Progress &progress);
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/* Data of a ICurvesSchema that we need to read. */
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struct CurvesSchemaData {
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Alembic::AbcGeom::TimeSamplingPtr time_sampling;
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size_t num_samples;
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Alembic::AbcGeom::MeshTopologyVariance topology_variance;
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Alembic::AbcGeom::IP3fArrayProperty positions;
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Alembic::AbcGeom::IInt32ArrayProperty num_vertices;
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float default_radius;
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float radius_scale;
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// Those are unsupported for now.
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Alembic::AbcGeom::IV3fArrayProperty velocities;
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// if this property is invalid then the weight for every point is 1
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Alembic::AbcGeom::IFloatArrayProperty position_weights;
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Alembic::AbcGeom::IN3fGeomParam normals;
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Alembic::AbcGeom::IFloatGeomParam widths;
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Alembic::AbcGeom::IUcharArrayProperty orders;
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Alembic::AbcGeom::IFloatArrayProperty knots;
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// TODO(@kevindietrich): type, basis, wrap
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};
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void read_geometry_data(AlembicProcedural *proc,
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CachedData &cached_data,
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const CurvesSchemaData &data,
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Progress &progress);
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/* Data of a IPointsSchema that we need to read. */
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struct PointsSchemaData {
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Alembic::AbcGeom::TimeSamplingPtr time_sampling;
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size_t num_samples;
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float default_radius;
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float radius_scale;
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Alembic::AbcGeom::IP3fArrayProperty positions;
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Alembic::AbcGeom::IInt32ArrayProperty num_points;
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Alembic::AbcGeom::IFloatGeomParam radiuses;
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// Those are unsupported for now.
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Alembic::AbcGeom::IV3fArrayProperty velocities;
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};
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void read_geometry_data(AlembicProcedural *proc,
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CachedData &cached_data,
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const PointsSchemaData &data,
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Progress &progress);
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void read_attributes(AlembicProcedural *proc,
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CachedData &cache,
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const Alembic::AbcGeom::ICompoundProperty &arb_geom_params,
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const Alembic::AbcGeom::IV2fGeomParam &default_uvs_param,
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const AttributeRequestSet &requested_attributes,
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Progress &progress);
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CCL_NAMESPACE_END
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#endif
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