object.hh

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/* SPDX-FileCopyrightText: 2011-2022 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include <pxr/base/gf/matrix4d.h>
#include <pxr/base/tf/hashmap.h>
 
#include "DNA_object_types.h"
 
#include "BLI_map.hh"
#include "BLI_set.hh"
 
#include "BKE_layer.hh"
#include "BKE_object.hh"
 
#include "id.hh"
#include "material.hh"
 
namespace blender::io::hydra {
 
class ObjectData : public IdData {
 public:
  pxr::GfMatrix4d transform;
  bool visible = true;
 
 public:
  ObjectData(HydraSceneDelegate *scene_delegate,
             const Object *object,
             pxr::SdfPath const &prim_id);
 
  static std::unique_ptr<ObjectData> create(HydraSceneDelegate *scene_delegate,
                                            const Object *object,
                                            pxr::SdfPath const &prim_id);
  static bool is_supported(const Object *object);
  static bool is_mesh(const Object *object);
  static bool is_visible(HydraSceneDelegate *scene_delegate,
                         const Object *object,
                         int mode = OB_VISIBLE_SELF);
 
  using IdData::get_data;
  virtual pxr::VtValue get_data(pxr::SdfPath const &id, pxr::TfToken const &key) const;
  virtual pxr::SdfPath material_id() const;
  virtual pxr::SdfPath material_id(pxr::SdfPath const &id) const;
  virtual void available_materials(Set<pxr::SdfPath> &paths) const;
 
 protected:
  virtual void write_transform();
  virtual void write_materials();
  MaterialData *get_or_create_material(const Material *mat);
};
 
using ObjectDataMap = Map<pxr::SdfPath, std::unique_ptr<ObjectData>>;
 
pxr::GfMatrix4d gf_matrix_from_transform(const float m[4][4]);
 
}  // namespace blender::io::hydra