TerrainDetailGpuResolver.h

浏览该文件的文档.

#pragma once
 
#include "asset/procgen/TerrainVegetationGpu.h"
 
#include <memory>
 
namespace eve::asset {
class EvpackResourceReader;
struct EvpackCapabilities;
}
 
namespace eve::graphics {
class Graphics;
}
 
namespace eve::asset_procgen {
 
class TerrainDetailGpuResolver final : public ITerrainVegetationGpuResolver {
public:
    TerrainDetailGpuResolver(const asset::EvpackResourceReader& reader,
                             const asset::EvpackCapabilities& capabilities, graphics::Graphics& graphics);
    ~TerrainDetailGpuResolver() override;
    TerrainDetailGpuResolver(const TerrainDetailGpuResolver&)            = delete;
    TerrainDetailGpuResolver& operator=(const TerrainDetailGpuResolver&) = delete;
 
    [[nodiscard]] Result<TerrainVegetationGpuPrototype> resolve(
        const TerrainVegetationGpuPrototypeRequest& prototype) override;
 
    [[nodiscard]] Result<void> drawShadow(
        const TerrainVegetationGpuPrototypeRequest& prototype,
        const std::array<float, 16>& transform,
        const std::array<float, 16>& lightViewProjection) override;
 
    [[nodiscard]] Result<void> release();
 
private:
    struct Impl;
    std::unique_ptr<Impl> impl_;
};
 
class TerrainDetailRuntime final {
public:
    [[nodiscard]] static Result<std::unique_ptr<TerrainDetailRuntime>> load(
        const asset::EvpackResourceReader& reader, const asset::EvpackCapabilities& capabilities,
        graphics::Graphics& graphics, const AssetRef& asset, const TerrainVegetationLimits& limits = {});
 
    ~TerrainDetailRuntime();
    TerrainDetailRuntime(const TerrainDetailRuntime&)            = delete;
    TerrainDetailRuntime& operator=(const TerrainDetailRuntime&) = delete;
 
    [[nodiscard]] Result<void> setFrame(TerrainVegetationGpuFrame frame);
 
    [[nodiscard]] const Diagnostic* lastSubmissionError() const;
 
    [[nodiscard]] Result<void> release();
 
private:
    TerrainDetailRuntime(const asset::EvpackResourceReader& reader,
                         const asset::EvpackCapabilities& capabilities, graphics::Graphics& graphics);
 
    std::unique_ptr<TerrainDetailGpuResolver> resolver_;
    std::unique_ptr<TerrainVegetationRenderer> renderer_;
};
 
}  // namespace eve::asset_procgen