usd_reader_nurbs.hh

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/* SPDX-FileCopyrightText: 2021 Tangent Animation. All rights reserved.
 * SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 *
 * Adapted from the Blender Alembic importer implementation. */
 
#pragma once
 
#include "usd.hh"
#include "usd_reader_curve.hh"
#include "usd_reader_geom.hh"
 
#include <pxr/usd/usd/prim.h>
#include <pxr/usd/usdGeom/nurbsCurves.h>
 
struct Curves;
 
namespace blender::bke {
class CurvesGeometry;
}  // namespace blender::bke
 
namespace blender::io::usd {
 
class USDNurbsReader : public USDCurvesReader {
 private:
  pxr::UsdGeomNurbsCurves curve_prim_;
 
 public:
  USDNurbsReader(const pxr::UsdPrim &prim,
                 const USDImportParams &import_params,
                 const ImportSettings &settings)
      : USDCurvesReader(prim, import_params, settings), curve_prim_(prim)
  {
  }
 
  bool valid() const override
  {
    return bool(curve_prim_);
  }
 
  void read_curve_sample(Curves *curves_id, pxr::UsdTimeCode time) override;
  bool is_animated() const override;
};
 
}  // namespace blender::io::usd