yuzu/src/core/file_sys/patch_manager.h

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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <map>
#include <memory>
#include <string>
#include "common/common_types.h"
#include "core/file_sys/nca_metadata.h"
#include "core/file_sys/vfs.h"
namespace FileSys {
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class NCA;
class NACP;
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enum class TitleVersionFormat : u8 {
ThreeElements, ///< vX.Y.Z
FourElements, ///< vX.Y.Z.W
};
std::string FormatTitleVersion(u32 version,
TitleVersionFormat format = TitleVersionFormat::ThreeElements);
enum class PatchType {
Update,
};
std::string FormatPatchTypeName(PatchType type);
// A centralized class to manage patches to games.
class PatchManager {
public:
explicit PatchManager(u64 title_id);
// Currently tracked ExeFS patches:
// - Game Updates
VirtualDir PatchExeFS(VirtualDir exefs) const;
// Currently tracked RomFS patches:
// - Game Updates
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VirtualFile PatchRomFS(VirtualFile base, u64 ivfc_offset,
ContentRecordType type = ContentRecordType::Program) const;
// Returns a vector of pairs between patch names and patch versions.
// i.e. Update v80 will return {Update, 80}
std::map<PatchType, std::string> GetPatchVersionNames() const;
// Given title_id of the program, attempts to get the control data of the update and parse it,
// falling back to the base control data.
std::pair<std::shared_ptr<NACP>, VirtualFile> GetControlMetadata() const;
// Version of GetControlMetadata that takes an arbitrary NCA
std::pair<std::shared_ptr<NACP>, VirtualFile> ParseControlNCA(
const std::shared_ptr<NCA>& nca) const;
private:
u64 title_id;
};
} // namespace FileSys