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| bool ExecuteUnrealPak(const TCHAR* CmdLine)
{
TArray<FPakInputPair> Entries;
FPakCommandLineParameters CmdLineParameters;
ProcessCommandLine(CmdLine, NonOptionArguments, Entries, CmdLineParameters);
if(NonOptionArguments.Num() > 0)
{
CheckAndReallocThreadPool();
FString PakFilename = GetPakPath(*NonOptionArguments[0], true);
TArray<FPakInputPair> Entries;
FPakCommandLineParameters CmdLineParameters;
ProcessCommandLine(CmdLine, NonOptionArguments, Entries, CmdLineParameters);
FPakOrderMap OrderMap;
FString ResponseFile;
if (FParse::Value(CmdLine, TEXT("-order="), ResponseFile) && !OrderMap.ProcessOrderFile(*ResponseFile))
{
return false;
}
FString SecondaryResponseFile;
if (FParse::Value(CmdLine, TEXT("-secondaryOrder="), SecondaryResponseFile) && !OrderMap.ProcessOrderFile(*SecondaryResponseFile, true))
{
return false;
}
int32 LowestSourcePakVersion = 0;
TMap<FString, FFileInfo> SourceFileHashes;
if (CmdLineParameters.GeneratePatch)
{
FString OutputPath;
if (!FParse::Value(CmdLine, TEXT("TempFiles="), OutputPath))
{
OutputPath = FPaths::GetPath(PakFilename) / FString(TEXT("TempFiles"));
}
IFileManager::Get().DeleteDirectory(*OutputPath);
FString PatchReferenceCryptoKeysFilename;
FKeyChain PatchKeyChain;
if (FParse::Value(FCommandLine::Get(), TEXT("PatchCryptoKeys="), PatchReferenceCryptoKeysFilename))
{
LoadKeyChainFromFile(PatchReferenceCryptoKeysFilename, PatchKeyChain);
ApplyEncryptionKeys(PatchKeyChain);
}
UE_LOG(LogPakFile, Display, TEXT("Generating patch from %s."), *CmdLineParameters.SourcePatchPakFilename, true );
if (!GenerateHashesFromPak(*CmdLineParameters.SourcePatchPakFilename, *PakFilename, SourceFileHashes, true, PatchKeyChain, LowestSourcePakVersion))
{
if (ExtractFilesFromPak(*CmdLineParameters.SourcePatchPakFilename, SourceFileHashes, *OutputPath, true, PatchKeyChain, nullptr) == false)
{
UE_LOG(LogPakFile, Warning, TEXT("Unable to extract files from source pak file for patch"));
}
else
{
CmdLineParameters.SourcePatchDiffDirectory = OutputPath;
}
}
ApplyEncryptionKeys(KeyChain);
}
TArray<FPakInputPair> FilesToAdd;
CollectFilesToAdd(FilesToAdd, Entries, OrderMap, CmdLineParameters);
if (CmdLineParameters.GeneratePatch)
{
TArray<FPakInputPair> DeleteRecords = GetNewDeleteRecords(FilesToAdd, SourceFileHashes);
if (LowestSourcePakVersion < FPakInfo::PakFile_Version_DeleteRecords)
{
int32 CurrentPatchChunkIndex = GetPakChunkIndexFromFilename(PakFilename);
UE_LOG(LogPakFile, Display, TEXT("Some patch source paks were generated with an earlier version of UnrealPak that didn't support delete records. checking for historic assets that have moved between chunks to avoid creating invalid delete records"));
FString SourcePakFolder = FPaths::GetPath(CmdLineParameters.SourcePatchPakFilename);
ProcessLegacyFileMoves(DeleteRecords, SourceFileHashes, SourcePakFolder, FilesToAdd, CurrentPatchChunkIndex);
}
FilesToAdd.Append(DeleteRecords);
RemoveIdenticalFiles(FilesToAdd, CmdLineParameters.SourcePatchDiffDirectory, SourceFileHashes, CmdLineParameters.SeekOptParams, CmdLineParameters.ChangedFilesOutputFilename);
}
bool bResult = CreatePakFile(*PakFilename, FilesToAdd, CmdLineParameters, KeyChain);
if (CmdLineParameters.GeneratePatch)
{
FString OutputPath = FPaths::GetPath(PakFilename) / FString(TEXT("TempFiles"));
IFileManager::Get().DeleteDirectory(*OutputPath, false, true);
}
GetDerivedDataCacheRef().WaitForQuiescence(true);
return bResult;
}
}
|
