GMA.h

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#pragma once
 
#include <sourcepp/parser/Binary.h>
 
#include "../PackFile.h"
 
namespace vpkpp {
 
constexpr auto GMA_SIGNATURE = sourcepp::parser::binary::makeFourCC("GMAD");
constexpr std::string_view GMA_EXTENSION = ".gma";
 
class GMA : public PackFile {
protected:
    struct Header {
        int32_t signature;
        uint8_t version;
        uint64_t steamID;
        uint64_t timestamp;
        std::string requiredContent;
        std::string addonName;
        std::string addonDescription;
        std::string addonAuthor;
        int32_t addonVersion;
    };
 
public:
    [[nodiscard]] static std::unique_ptr<PackFile> open(const std::string& path, const EntryCallback& callback = nullptr);
 
    static constexpr inline std::string_view GUID = "49191CA83B7B4EBBA86D0EA364AAC457";
 
    [[nodiscard]] constexpr std::string_view getGUID() const override {
        return GMA::GUID;
    }
 
    [[nodiscard]] constexpr bool hasEntryChecksums() const override {
        return true;
    }
 
    [[nodiscard]] std::vector<std::string> verifyEntryChecksums() const override;
 
    [[nodiscard]] bool hasPackFileChecksum() const override;
 
    [[nodiscard]] bool verifyPackFileChecksum() const override;
 
    [[nodiscard]] std::optional<std::vector<std::byte>> readEntry(const std::string& path_) const override;
 
    bool bake(const std::string& outputDir_ /*= ""*/, BakeOptions options /*= {}*/, const EntryCallback& callback /*= nullptr*/) override;
 
    [[nodiscard]] Attribute getSupportedEntryAttributes() const override;
 
    [[nodiscard]] explicit operator std::string() const override;
 
protected:
    using PackFile::PackFile;
 
    void addEntryInternal(Entry& entry, const std::string& path, std::vector<std::byte>& buffer, EntryOptions options) override;
 
    Header header{};
 
private:
    VPKPP_REGISTER_PACKFILE_OPEN(GMA_EXTENSION, &GMA::open);
};
 
} // namespace vpkpp