bool FDesktopPlatformBase::GetEngineIdentifierForProject(const FString& ProjectFileName, FString& OutIdentifier)
{
	OutIdentifier.Empty();

	// Load the project file
	TSharedPtr<FJsonObject> ProjectFile = LoadProjectFile(ProjectFileName);
	if(!ProjectFile.IsValid())
	{
		return false;
	}

	// Try to read the identifier from it
	TSharedPtr<FJsonValue> Value = ProjectFile->TryGetField(TEXT("EngineAssociation"));
	if(Value.IsValid() && Value->Type == EJson::String)
	{
		OutIdentifier = Value->AsString();
		if(OutIdentifier.Len() > 0)
		{
			// If it's a path, convert it into an engine identifier
			if(OutIdentifier.Contains(TEXT("/")) || OutIdentifier.Contains("\\"))
			{
				FString EngineRootDir = FPaths::ConvertRelativePathToFull(FPaths::GetPath(ProjectFileName), OutIdentifier);
				if(!GetEngineIdentifierFromRootDir(EngineRootDir, OutIdentifier))
				{
					return false;
				}
			}
			return true;
		}
	}

	// Otherwise scan up through the directory hierarchy to find an installation
	FString ParentDir = FPaths::GetPath(ProjectFileName);
	FPaths::NormalizeDirectoryName(ParentDir);

	// Keep going until we reach the root
	int32 SeparatorIdx;
	while(ParentDir.FindLastChar(TEXT('/'), SeparatorIdx))
	{
		ParentDir.RemoveAt(SeparatorIdx, ParentDir.Len() - SeparatorIdx);
		if(IsValidRootDirectory(ParentDir) && GetEngineIdentifierFromRootDir(ParentDir, OutIdentifier))
		{
			return true;
		}
	}

	// Otherwise check the engine version string for 4.0, in case this project existed before the engine association stuff went in
	FString EngineVersionString = ProjectFile->GetStringField(TEXT("EngineVersion"));
	if(EngineVersionString.Len() > 0)
	{
		FEngineVersion EngineVersion;
		if(FEngineVersion::Parse(EngineVersionString, EngineVersion) && EngineVersion.HasChangelist() && EngineVersion.ToString(EVersionComponent::Minor) == TEXT("4.0"))
		{
			OutIdentifier = TEXT("4.0");
			return true;
		}
	}

	return false;
}
예제 #2
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/** Migrates config files from a previous version of the engine. Does nothing on non-installed versions */
void MigratePreviousEngineInis()
{
	if (!FPaths::ShouldSaveToUserDir() && !FApp::IsEngineInstalled())
	{
		// We can't do this in non-installed engines or where we haven't saved to a user directory
		return;
	}

	int32 MinorVersion = GEngineVersion.GetMinor() - 1;

	IPlatformFile& PlatformFile = FPlatformFileManager::Get().GetPlatformFile();
	while(MinorVersion >= 0)
	{
		const FEngineVersion PreviousVersion(GEngineVersion.GetMajor(), MinorVersion--, 0, 0, FString());
	
		const FString Directory = FString(FPlatformProcess::UserSettingsDir()) / ENGINE_VERSION_TEXT(EPIC_PRODUCT_IDENTIFIER) / PreviousVersion.ToString(EVersionComponent::Minor) / TEXT("Saved") / TEXT("Config") / ANSI_TO_TCHAR(FPlatformProperties::PlatformName());
		if (FPaths::DirectoryExists(Directory))
		{
			const FString DestDir = ProjectAgnosticIniPath(TEXT(""));
			if (PlatformFile.CreateDirectoryTree(*DestDir))
			{
				PlatformFile.CopyDirectoryTree(*DestDir, *Directory, false);
			}

			// If we failed to create the directory tree anyway we don't want to allow the possibility of upgrading from even older versions, so early return regardless
			return;
		}
	}
}
예제 #3
0
bool ICrashDebugHelper::Init()
{
	bInitialized = true;

	// Check if we have a valid EngineVersion, if so use it.
	FString CmdEngineVersion;
	const bool bHasEngineVersion = FParse::Value( FCommandLine::Get(), TEXT( "EngineVersion=" ), CmdEngineVersion );
	if( bHasEngineVersion )
	{
		FEngineVersion EngineVersion;
		FEngineVersion::Parse( CmdEngineVersion, EngineVersion );

		// Clean branch name.
		CrashInfo.DepotName = EngineVersion.GetBranch();
		CrashInfo.BuiltFromCL = (int32)EngineVersion.GetChangelist();

		CrashInfo.EngineVersion = CmdEngineVersion;
	}
	else
	{
		// Look up the depot name
		// Try to use the command line param
		FString DepotName;
		FString CmdLineBranchName;
		if( FParse::Value( FCommandLine::Get(), TEXT( "BranchName=" ), CmdLineBranchName ) )
		{
			DepotName = FString::Printf( TEXT( "%s%s" ), P4_DEPOT_PREFIX, *CmdLineBranchName );
		}
		// Default to BRANCH_NAME
		else
		{
			DepotName = FString::Printf( TEXT( "%s" ), TEXT( BRANCH_NAME ) );
		}

		CrashInfo.DepotName = DepotName.Replace( TEXT( "+" ), TEXT( "/" ) );

		// Try to get the BuiltFromCL from command line to use this instead of attempting to locate the CL in the minidump
		FString CmdLineBuiltFromCL;
		int32 BuiltFromCL = -1;
		if( FParse::Value( FCommandLine::Get(), TEXT( "BuiltFromCL=" ), CmdLineBuiltFromCL ) )
		{
			if( !CmdLineBuiltFromCL.IsEmpty() )
			{
				BuiltFromCL = FCString::Atoi( *CmdLineBuiltFromCL );
			}
		}
		// Default to BUILT_FROM_CHANGELIST.
		else
		{
			BuiltFromCL = int32( BUILT_FROM_CHANGELIST );
		}

		CrashInfo.BuiltFromCL = BuiltFromCL;
	}


	UE_LOG( LogCrashDebugHelper, Log, TEXT( "DepotName: %s" ), *CrashInfo.DepotName );
	UE_LOG( LogCrashDebugHelper, Log, TEXT( "BuiltFromCL: %i" ), CrashInfo.BuiltFromCL );
	UE_LOG( LogCrashDebugHelper, Log, TEXT( "EngineVersion: %s" ), *CrashInfo.EngineVersion );
	
	GConfig->GetString( TEXT( "Engine.CrashDebugHelper" ), TEXT( "SourceControlBuildLabelPattern" ), SourceControlBuildLabelPattern, GEngineIni );

	GConfig->GetArray( TEXT( "Engine.CrashDebugHelper" ), TEXT( "ExecutablePathPattern" ), ExecutablePathPatterns, GEngineIni );
	GConfig->GetArray( TEXT( "Engine.CrashDebugHelper" ), TEXT( "SymbolPathPattern" ), SymbolPathPatterns, GEngineIni );
	GConfig->GetArray( TEXT( "Engine.CrashDebugHelper" ), TEXT( "Branch" ), Branches, GEngineIni );
	const bool bCanUseSearchPatterns = Branches.Num() == ExecutablePathPatterns.Num() && ExecutablePathPatterns.Num() == SymbolPathPatterns.Num() && Branches.Num() > 0;
	UE_CLOG( !bCanUseSearchPatterns, LogCrashDebugHelper, Warning, TEXT( "Search patterns don't match" ) );

	if (bCanUseSearchPatterns)
	{
		FPDBCache::Get().Init();
	}
	else
	{
		UE_LOG( LogCrashDebugHelper, Warning, TEXT( "PDB Cache disabled" ) );
	}
	

	return bInitialized;
}