animation_clip_asset.h

#pragma once
 
#include "pixelbullet/filesystem/virtual_path.h"
 
#include "ozz/animation/runtime/animation.h"
 
#include <memory>
#include <string_view>
 
namespace pixelbullet
{
class Filesystem;
 
class AnimationClipAsset
{
public:
    AnimationClipAsset() = default;
    AnimationClipAsset(AnimationClipAsset&&) noexcept = default;
    AnimationClipAsset& operator=(AnimationClipAsset&&) noexcept = default;
 
    AnimationClipAsset(const AnimationClipAsset&) = delete;
    AnimationClipAsset& operator=(const AnimationClipAsset&) = delete;
 
    AnimationClipAsset(const Filesystem& filesystem, const VirtualPath& asset_path)
    {
        Load(filesystem, asset_path);
    }
 
    bool Load(const Filesystem& filesystem, const VirtualPath& asset_path);
 
    explicit operator bool() const noexcept
    {
        return animation_ != nullptr;
    }
 
    [[nodiscard]] const VirtualPath& GetFilename() const noexcept
    {
        return filename_;
    }
 
    [[nodiscard]] const ozz::animation::Animation* GetRuntimeAnimation() const noexcept
    {
        return animation_.get();
    }
 
    [[nodiscard]] float GetDurationSeconds() const noexcept
    {
        return animation_ != nullptr ? animation_->duration() : 0.0f;
    }
 
    [[nodiscard]] std::string_view GetClipName() const noexcept
    {
        return animation_ != nullptr ? std::string_view(animation_->name()) : std::string_view{};
    }
 
private:
    void Clear() noexcept;
 
    VirtualPath filename_;
    std::unique_ptr<ozz::animation::Animation> animation_;
};
} // namespace pixelbullet