AssetLoader.hpp

#pragma once
 
#include <filesystem>
#include <vector>
 
#include <Common/Buffer.hpp>
#include <Common/Graphics/GraphicsPipeline.hpp>
#include <Common/ResourcePipeline/Uuid.hpp>
#include <Common/ResourcePipeline/AssetType.hpp>
 
namespace Grindstone::Assets {
    enum class AssetLoadStatus {
        Success,
        FileNotFound,
        NotEnoughMemory,
        InvalidAssetType,
        AssetNotInRegistry,
    };
 
    struct AssetLoadBinaryResult {
        AssetLoadStatus status;
        std::string displayName;
        Buffer buffer;
    };
 
    struct AssetLoadTextResult {
        AssetLoadStatus status;
        std::string displayName;
        std::string content;
    };
 
    class AssetLoader {
    public:
        virtual AssetLoadBinaryResult LoadBinaryByPath(AssetType assetType, const std::filesystem::path& path) = 0;
        virtual AssetLoadBinaryResult LoadBinaryByAddress(AssetType assetType, std::string_view address) = 0;
        virtual AssetLoadBinaryResult LoadBinaryByUuid(AssetType assetType, Uuid uuid) = 0;
 
        virtual AssetLoadTextResult LoadTextByPath(AssetType assetType, const std::filesystem::path& path) = 0;
        virtual AssetLoadTextResult LoadTextByAddress(AssetType assetType, std::string_view address) = 0;
        virtual AssetLoadTextResult LoadTextByUuid(AssetType assetType, Uuid uuid) = 0;
 
        virtual bool LoadShaderStageByPath(
            const std::filesystem::path& path,
            GraphicsAPI::ShaderStage shaderStage,
            GraphicsAPI::GraphicsPipeline::CreateInfo::ShaderStageData& shaderStageCreateInfo,
            std::vector<char>& fileData
        ) = 0;
        virtual bool LoadShaderStageByAddress(
            std::string_view address,
            GraphicsAPI::ShaderStage shaderStage,
            GraphicsAPI::GraphicsPipeline::CreateInfo::ShaderStageData& shaderStageCreateInfo,
            std::vector<char>& fileData
        ) = 0;
        virtual bool LoadShaderStageByUuid(
            Uuid uuid,
            GraphicsAPI::ShaderStage shaderStage,
            GraphicsAPI::GraphicsPipeline::CreateInfo::ShaderStageData& shaderStageCreateInfo,
            std::vector<char>& fileData
        ) = 0;
    };
}