AnimTestbed/3rdparty/ozz-animation/include/ozz/animation/offline/track_builder.h

//----------------------------------------------------------------------------//
//                                                                            //
// ozz-animation is hosted at http://github.com/guillaumeblanc/ozz-animation  //
// and distributed under the MIT License (MIT).                               //
//                                                                            //
// Copyright (c) Guillaume Blanc                                              //
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//----------------------------------------------------------------------------//

#ifndef OZZ_OZZ_ANIMATION_OFFLINE_TRACK_BUILDER_H_
#define OZZ_OZZ_ANIMATION_OFFLINE_TRACK_BUILDER_H_

#include "ozz/animation/offline/export.h"
#include "ozz/base/memory/unique_ptr.h"

namespace ozz {
namespace animation {

// Forward declares the runtime tracks type.
class FloatTrack;
class Float2Track;
class Float3Track;
class Float4Track;
class QuaternionTrack;

namespace offline {

// Forward declares the offline tracks type.
struct RawFloatTrack;
struct RawFloat2Track;
struct RawFloat3Track;
struct RawFloat4Track;
struct RawQuaternionTrack;

// Defines the class responsible of building runtime track instances from
// offline tracks.The input raw track is first validated. Runtime conversion of
// a validated raw track cannot fail. Note that no optimization is performed on
// the data at all.
class OZZ_ANIMOFFLINE_DLL TrackBuilder {
 public:
  // Creates a Track based on _raw_track and *this builder parameters.
  // Returns a track instance on success, an empty unique_ptr on failure. See
  // Raw*Track::Validate() for more details about failure reasons.
  // The track is returned as an unique_ptr as ownership is given back to the
  // caller.
  ozz::unique_ptr<FloatTrack> operator()(const RawFloatTrack& _input) const;
  ozz::unique_ptr<Float2Track> operator()(const RawFloat2Track& _input) const;
  ozz::unique_ptr<Float3Track> operator()(const RawFloat3Track& _input) const;
  ozz::unique_ptr<Float4Track> operator()(const RawFloat4Track& _input) const;
  ozz::unique_ptr<QuaternionTrack> operator()(
      const RawQuaternionTrack& _input) const;

 private:
  template <typename _RawTrack, typename _Track>
  ozz::unique_ptr<_Track> Build(const _RawTrack& _input) const;
};
}  // namespace offline
}  // namespace animation
}  // namespace ozz
#endif  // OZZ_OZZ_ANIMATION_OFFLINE_TRACK_BUILDER_H_