EvpackMeshVfx.h

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#pragma once
#include <array>
#include <memory>
#include <string>
#include <vector>
#include "common/BorrowedRef.h"
#include "common/ResourceRef.h"
 
namespace eve::asset {
class EvpackResourceReader;
struct EvpackCapabilities;
}  // namespace eve::asset
namespace eve::graphics {
class Graphics;
class Mesh;
class Texture;
}  // namespace eve::graphics
namespace eve::asset_stylize {
class EvpackMeshVfx final {
public:
    ~EvpackMeshVfx();
    EvpackMeshVfx(const EvpackMeshVfx&)            = delete;
    EvpackMeshVfx& operator=(const EvpackMeshVfx&) = delete;
    [[nodiscard]] static Result<std::unique_ptr<EvpackMeshVfx>> load(const asset::EvpackResourceReader& reader,
                                                                     const AssetRef&                    asset,
                                                                     const asset::EvpackCapabilities&   capabilities,
                                                                     graphics::Graphics&                graphics);
    void play() noexcept;
    [[nodiscard]] Result<void> advance(float dt);
    [[nodiscard]] Result<void> stop(float fadeOutSeconds = 0.f);
    [[nodiscard]] Result<void> setFloat(std::size_t layer, std::string_view name, float value);
    [[nodiscard]] Result<void> draw(graphics::Mesh& mesh, const std::array<float, 16>& transform,
                                    OptionalRef<graphics::Texture> texture,
                                    const std::array<float, 4>&    tint = {1, 1, 1, 1});
    [[nodiscard]] Result<void> reload(const asset::EvpackResourceReader& reader, const AssetRef& asset,
                                      const asset::EvpackCapabilities& capabilities);
    [[nodiscard]] std::vector<std::string> drainEvents();
 
private:
    struct Impl;
    explicit EvpackMeshVfx(std::unique_ptr<Impl> impl);
    std::unique_ptr<Impl> impl_;
};
}  // namespace eve::asset_stylize