public VersionControl(string name, Version server, Version local, ModuleUpdateInfo info)
{
this.local = local;
this.info = info;
// select update item by version numbers
infoItem = null;
bool merged = false;
do
{
merged = false;
foreach (ModuleUpdateInfoItem item in info.Items)
{
if (infoItem == null && item.Base == local)
{
infoItem = item;
merged = true;
break;
}
// make sure update is not higher than the requested version
else if (infoItem != null && item.Version <= server && item.Base == infoItem.Version)
{
// merge
infoItem = new ModuleUpdateInfoItem(infoItem, item);
merged = true;
break;
}
}
// no update for our version found, fallback to full update
if (infoItem == null)
{
foreach (ModuleUpdateInfoItem item in info.Items)
{
if (item.Base == null && item.Version <= server)
{
infoItem = item;
merged = true;
break;
}
}
}
} while (merged);
}
/// <summary>
/// Get latest version of one file.
/// </summary>
/// <param name="fileName">file name</param>
/// <returns>file path with version directory</returns>
public ModuleUpdateFilePath GetLatestVersion(string fileName)
{
// download update info if not already downloaded
if (!GetUpdateInfo())
{
return(null);
}
string moduleName = Path.GetFileNameWithoutExtension(fileName);
if (updates.Modules.ContainsKey(moduleName))
{
ModuleUpdateInfo info = updates.Modules[moduleName];
return(new ModuleUpdateFilePath(info.Stable, info.Base == "" ? info.Name : info.Base, fileName));
}
return(null);
}
public VersionControl CheckForUpdates(PackageInfo info)
{
if (info.GameName == "launcher")
{
// set current engine version number
engineVersion = info.Version;
}
// download update info if not already downloaded
if (!GetUpdateInfo())
{
return(null);
}
// cut .pak from package
string package = Path.GetFileNameWithoutExtension(info.Package);
// check only supported files
if (!updates.Modules.ContainsKey(package))
{
return(null);
}
ModuleUpdateInfo moduleUpdateInfo = updates.Modules[package];
// get versions
Version localVersion = info.Version;
Version serverVersion = useUnstableVersion ? moduleUpdateInfo.Unstable : moduleUpdateInfo.Stable;
// return null if not updateable
if (serverVersion <= localVersion)
{
return(null);
}
return(new VersionControl(info.Package, serverVersion, localVersion, moduleUpdateInfo));
}
