2018-08-25 16:03:45 -07:00
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <map>
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2018-09-06 10:51:57 -07:00
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#include <memory>
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2018-08-26 07:53:31 -07:00
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#include <string>
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2018-08-25 16:03:45 -07:00
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#include "common/common_types.h"
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2018-09-03 15:57:52 -07:00
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#include "core/file_sys/nca_metadata.h"
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2018-08-25 16:03:45 -07:00
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#include "core/file_sys/vfs.h"
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2019-05-30 16:35:52 -07:00
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#include "core/memory/dmnt_cheat_types.h"
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2018-08-25 16:03:45 -07:00
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2019-03-22 03:08:11 -07:00
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namespace Core {
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class System;
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}
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2018-08-25 16:03:45 -07:00
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namespace FileSys {
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2018-08-28 19:38:35 -07:00
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class NCA;
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class NACP;
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2018-08-26 07:53:31 -07:00
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enum class TitleVersionFormat : u8 {
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ThreeElements, ///< vX.Y.Z
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FourElements, ///< vX.Y.Z.W
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};
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std::string FormatTitleVersion(u32 version,
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TitleVersionFormat format = TitleVersionFormat::ThreeElements);
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2018-08-25 16:03:45 -07:00
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// A centralized class to manage patches to games.
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class PatchManager {
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public:
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explicit PatchManager(u64 title_id);
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~PatchManager();
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2018-11-28 11:01:09 -08:00
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u64 GetTitleID() const;
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2018-08-25 16:03:45 -07:00
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// Currently tracked ExeFS patches:
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// - Game Updates
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VirtualDir PatchExeFS(VirtualDir exefs) const;
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2018-09-29 19:15:16 -07:00
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// Currently tracked NSO patches:
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// - IPS
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// - IPSwitch
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std::vector<u8> PatchNSO(const std::vector<u8>& nso, const std::string& name) const;
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// Checks to see if PatchNSO() will have any effect given the NSO's build ID.
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// Used to prevent expensive copies in NSO loader.
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bool HasNSOPatch(const std::array<u8, 0x20>& build_id) const;
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2018-12-22 18:28:56 -08:00
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// Creates a CheatList object with all
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std::vector<Memory::CheatEntry> CreateCheatList(const Core::System& system,
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const std::array<u8, 0x20>& build_id) const;
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2018-08-25 16:03:45 -07:00
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// Currently tracked RomFS patches:
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// - Game Updates
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// - LayeredFS
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VirtualFile PatchRomFS(VirtualFile base, u64 ivfc_offset,
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ContentRecordType type = ContentRecordType::Program,
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VirtualFile update_raw = nullptr) const;
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// Returns a vector of pairs between patch names and patch versions.
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// i.e. Update 3.2.2 will return {"Update", "3.2.2"}
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std::map<std::string, std::string, std::less<>> GetPatchVersionNames(
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VirtualFile update_raw = nullptr) const;
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2019-06-25 19:25:10 -07:00
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// If the game update exists, returns the u32 version field in its Meta-type NCA. If that fails,
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// it will fallback to the Meta-type NCA of the base game. If that fails, the result will be
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// std::nullopt
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std::optional<u32> GetGameVersion() const;
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// Given title_id of the program, attempts to get the control data of the update and parse
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// it, falling back to the base control data.
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2018-10-09 11:22:31 -07:00
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std::pair<std::unique_ptr<NACP>, VirtualFile> GetControlMetadata() const;
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// Version of GetControlMetadata that takes an arbitrary NCA
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std::pair<std::unique_ptr<NACP>, VirtualFile> ParseControlNCA(const NCA& nca) const;
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private:
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std::vector<VirtualFile> CollectPatches(const std::vector<VirtualDir>& patch_dirs,
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const std::string& build_id) const;
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2018-08-25 16:03:45 -07:00
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u64 title_id;
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};
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} // namespace FileSys
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