/// <summary>
/// Finds and caches all installed UE4 version that's installed from the Epic Games Launcher
/// </summary>
/// <returns></returns>
static public UE4Installs GetInstalledLauncherVersions()
{
if (InstalledVersions == null)
{
// On windows, this path is to where to know what installed engine versions are installed
string Path = GetApplicationSettingsDir() + "/Epic/UnrealEngineLauncher/LauncherInstalled.dat";
if (!File.Exists(Path))
{
throw new System.ApplicationException("Can't find installed launcher file, please install at least on UE4 engine before running this script");
}
InstalledVersions = JsonConvert.DeserializeObject <UE4Installs>(File.ReadAllText(Path));
}
return(InstalledVersions);
}
/// <summary>
/// Get all of our required UE4 version (that we want to support on the marketplace) and populate them with the metadata from our config file
/// </summary>
/// <returns></returns>
static public UE4Installs GetRequiredVersionList()
{
if (RequiredUE4Versions == null)
{
RequiredUE4Versions = new UE4Installs();
foreach (InstallMetadata RequiredInstall in UE4.GetRequiredUE4Installs())
{
UE4InstallInfo Installation = GetInstalledLauncherVersions().InstallationList.Find(InstalledVersion => InstalledVersion.AppName == "UE_" + RequiredInstall.Version);
if (Installation == null)
{
throw new System.ApplicationException("You don't have the required version " + RequiredInstall.Version + " of UE4 installed");
}
Installation.Metadata = RequiredInstall;
RequiredUE4Versions.InstallationList.Add(Installation);
}
}
return(RequiredUE4Versions);
}