e955c94ed3
Listing the "Blender Foundation" as copyright holder implied the Blender Foundation holds copyright to files which may include work from many developers. While keeping copyright on headers makes sense for isolated libraries, Blender's own code may be refactored or moved between files in a way that makes the per file copyright holders less meaningful. Copyright references to the "Blender Foundation" have been replaced with "Blender Authors", with the exception of `./extern/` since these this contains libraries which are more isolated, any changed to license headers there can be handled on a case-by-case basis. Some directories in `./intern/` have also been excluded: - `./intern/cycles/` it's own `AUTHORS` file is planned. - `./intern/opensubdiv/`. An "AUTHORS" file has been added, using the chromium projects authors file as a template. Design task: #110784 Ref !110783.
68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
/* SPDX-FileCopyrightText: 2011-2022 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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#include "BLI_map.hh"
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#include "BLI_set.hh"
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#include "mesh.h"
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namespace blender::io::hydra {
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class InstancerData : public IdData {
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struct MeshInstance {
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std::unique_ptr<MeshData> data;
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pxr::VtIntArray indices;
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};
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struct NonmeshInstance {
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std::unique_ptr<ObjectData> data;
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pxr::VtMatrix4dArray transforms;
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int count = 0;
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};
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private:
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Map<pxr::SdfPath, MeshInstance> mesh_instances_;
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Map<pxr::SdfPath, NonmeshInstance> nonmesh_instances_;
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pxr::VtMatrix4dArray mesh_transforms_;
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public:
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InstancerData(HydraSceneDelegate *scene_delegate, pxr::SdfPath const &prim_id);
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void init() override;
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void insert() override;
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void remove() override;
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void update() override;
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pxr::VtValue get_data(pxr::TfToken const &key) const override;
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pxr::GfMatrix4d transform(pxr::SdfPath const &id) const;
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pxr::HdPrimvarDescriptorVector primvar_descriptors(pxr::HdInterpolation interpolation) const;
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pxr::VtIntArray indices(pxr::SdfPath const &id) const;
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ObjectData *object_data(pxr::SdfPath const &id) const;
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pxr::SdfPathVector prototypes() const;
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void available_materials(Set<pxr::SdfPath> &paths) const;
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void update_double_sided(MaterialData *mat_data);
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/* Following update functions are working together:
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* pre_update()
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* update_instance()
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* update_instance()
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* ...
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* post_update() */
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void pre_update();
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void update_instance(DupliObject *dupli);
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void post_update();
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private:
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pxr::SdfPath object_prim_id(Object *object) const;
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pxr::SdfPath nonmesh_prim_id(pxr::SdfPath const &prim_id, int index) const;
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int nonmesh_prim_id_index(pxr::SdfPath const &id) const;
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void update_nonmesh_instance(NonmeshInstance &inst);
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MeshInstance *mesh_instance(pxr::SdfPath const &id) const;
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NonmeshInstance *nonmesh_instance(pxr::SdfPath const &id) const;
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};
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} // namespace blender::io::hydra
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