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https://github.com/hedge-dev/UnleashedRecomp.git
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0737ff771d
* Use different path for patched executable. * Use error code variant on std::filesystem::create_directories.
95 lines
3.7 KiB
C++
95 lines
3.7 KiB
C++
#pragma once
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#include <span>
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#include <set>
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#include "virtual_file_system.h"
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#include "xex_patcher.h"
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enum class DLC {
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Unknown,
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Spagonia,
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Chunnan,
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Mazuri,
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Holoska,
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ApotosShamar,
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EmpireCityAdabat,
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Count = EmpireCityAdabat
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};
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struct Journal
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{
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enum class Result
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{
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Success,
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VirtualFileSystemFailed,
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DirectoryCreationFailed,
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FileMissing,
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FileReadFailed,
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FileHashFailed,
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FileCreationFailed,
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FileWriteFailed,
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ValidationFileMissing,
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DLCParsingFailed,
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PatchProcessFailed,
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PatchReplacementFailed,
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UnknownDLCType
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};
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uint64_t progressCounter = 0;
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uint64_t progressTotal = 0;
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std::list<std::filesystem::path> createdFiles;
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std::set<std::filesystem::path> createdDirectories;
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Result lastResult = Result::Success;
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XexPatcher::Result lastPatcherResult = XexPatcher::Result::Success;
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std::string lastErrorMessage;
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};
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using FilePair = std::pair<const char *, uint32_t>;
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struct Installer
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{
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struct Input
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{
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std::filesystem::path gameSource;
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std::filesystem::path updateSource;
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std::list<std::filesystem::path> dlcSources;
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};
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struct DLCSource {
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std::unique_ptr<VirtualFileSystem> sourceVfs;
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std::span<const FilePair> filePairs;
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const uint64_t *fileHashes = nullptr;
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std::string targetSubDirectory;
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};
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struct Sources
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{
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std::unique_ptr<VirtualFileSystem> game;
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std::unique_ptr<VirtualFileSystem> update;
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std::vector<DLCSource> dlc;
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uint64_t totalSize = 0;
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};
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static bool checkGameInstall(const std::filesystem::path &baseDirectory, std::filesystem::path &modulePath);
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static bool checkDLCInstall(const std::filesystem::path &baseDirectory, DLC dlc);
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static bool checkAllDLC(const std::filesystem::path &baseDirectory);
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static bool computeTotalSize(std::span<const FilePair> filePairs, const uint64_t *fileHashes, VirtualFileSystem &sourceVfs, Journal &journal, uint64_t &totalSize);
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static bool copyFiles(std::span<const FilePair> filePairs, const uint64_t *fileHashes, VirtualFileSystem &sourceVfs, const std::filesystem::path &targetDirectory, const std::string &validationFile, bool skipHashChecks, Journal &journal, const std::function<void()> &progressCallback);
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static bool parseContent(const std::filesystem::path &sourcePath, std::unique_ptr<VirtualFileSystem> &targetVfs, Journal &journal);
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static bool parseSources(const Input &input, Journal &journal, Sources &sources);
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static bool install(const Sources &sources, const std::filesystem::path &targetDirectory, bool skipHashChecks, Journal &journal, const std::function<void()> &progressCallback);
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static void rollback(Journal &journal);
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// Convenience method for checking if the specified file contains the game. This should be used when the user selects the file.
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static bool parseGame(const std::filesystem::path &sourcePath);
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// Convenience method for checking if the specified file contains the update. This should be used when the user selects the file.
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static bool parseUpdate(const std::filesystem::path &sourcePath);
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// Convenience method for the installer to check which DLC the file that was specified corresponds to. This should be used when the user selects the file.
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static DLC parseDLC(const std::filesystem::path &sourcePath);
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// Convenience method for checking if a game and an update are compatible. This should be used when the user presses next during installation.
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static XexPatcher::Result checkGameUpdateCompatibility(const std::filesystem::path &gameSourcePath, const std::filesystem::path &updateSourcePath);
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};
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