private static string GetLayerPath(ConfigLayer Layer, string PlatformExtensionName, string IniPlatformName, DirectoryReference ProjectDir, string BaseIniName,
out bool bHasPlatformTag, out bool bHasProjectTag, out bool bHasExpansionTag)
{
// cache some platform extension information that can be used inside the loops
string PlatformExtensionEngineConfigDir = DirectoryReference.Combine(UnrealBuildTool.EnginePlatformExtensionsDirectory, PlatformExtensionName).FullName;
string PlatformExtensionProjectConfigDir = ProjectDir != null?DirectoryReference.Combine(UnrealBuildTool.ProjectPlatformExtensionsDirectory(ProjectDir), PlatformExtensionName).FullName : null;
bool bHasPlatformExtensionEngineConfigDir = Directory.Exists(PlatformExtensionEngineConfigDir);
bool bHasPlatformExtensionProjectConfigDir = PlatformExtensionProjectConfigDir != null && Directory.Exists(PlatformExtensionProjectConfigDir);
bHasPlatformTag = Layer.Path.Contains("{PLATFORM}");
bHasProjectTag = Layer.Path.Contains("{PROJECT}");
bHasExpansionTag = Layer.Path.Contains("{ED}") || Layer.Path.Contains("{EF}");
bool bHasUserTag = Layer.Path.Contains("{USER}");
// skip platform layers if we are "platform-less", or user layers without a user dir
if ((bHasPlatformTag && IniPlatformName == "None") ||
(bHasProjectTag && ProjectDir == null) ||
(bHasUserTag && GetUserDir() == null))
{
return(null);
}
// basic replacements
string LayerPath;
// you can only have PROJECT or ENGINE, not both
if (bHasProjectTag)
{
if (bHasPlatformTag && bHasPlatformExtensionProjectConfigDir)
{
LayerPath = Layer.ExtProjectPath.Replace("{EXTPROJECT}", PlatformExtensionProjectConfigDir);
}
else
{
LayerPath = Layer.Path.Replace("{PROJECT}", ProjectDir.FullName);
}
}
else
{
if (bHasPlatformTag && bHasPlatformExtensionEngineConfigDir)
{
LayerPath = Layer.ExtEnginePath.Replace("{EXTENGINE}", PlatformExtensionEngineConfigDir);
}
else
{
LayerPath = Layer.Path.Replace("{ENGINE}", UnrealBuildTool.EngineDirectory.FullName);
}
}
LayerPath = LayerPath.Replace("{TYPE}", BaseIniName);
LayerPath = LayerPath.Replace("{USERSETTINGS}", Utils.GetUserSettingDirectory().FullName);
LayerPath = LayerPath.Replace("{USER}", GetUserDir());
return(LayerPath);
}
