public static bool MigrateAssetIfNeeded(AssetMigrationContext context, PackageLoadingAssetFile loadAsset, string dependencyName, PackageVersion untilVersion = null)
{
var assetFullPath = loadAsset.FilePath.FullPath;
// Determine if asset was Yaml or not
var assetFileExtension = Path.GetExtension(assetFullPath);
if (assetFileExtension == null)
{
return(false);
}
assetFileExtension = assetFileExtension.ToLowerInvariant();
var serializer = AssetSerializer.FindSerializer(assetFileExtension);
if (!(serializer is AssetYamlSerializer))
{
return(false);
}
// We've got a Yaml asset, let's get expected and serialized versions
var serializedVersion = PackageVersion.Zero;
PackageVersion expectedVersion;
Type assetType;
// Read from Yaml file the asset version and its type (to get expected version)
// Note: It tries to read as few as possible (SerializedVersion is expected to be right after Id, so it shouldn't try to read further than that)
using (var assetStream = loadAsset.OpenStream())
using (var streamReader = new StreamReader(assetStream))
{
var yamlEventReader = new EventReader(new Parser(streamReader));
// Skip header
yamlEventReader.Expect <StreamStart>();
yamlEventReader.Expect <DocumentStart>();
var mappingStart = yamlEventReader.Expect <MappingStart>();
var yamlSerializerSettings = YamlSerializer.GetSerializerSettings();
var tagTypeRegistry = yamlSerializerSettings.TagTypeRegistry;
bool typeAliased;
assetType = tagTypeRegistry.TypeFromTag(mappingStart.Tag, out typeAliased);
var expectedVersions = AssetRegistry.GetCurrentFormatVersions(assetType);
expectedVersion = expectedVersions?.FirstOrDefault(x => x.Key == dependencyName).Value ?? PackageVersion.Zero;
Scalar assetKey;
while ((assetKey = yamlEventReader.Allow <Scalar>()) != null)
{
// Only allow Id before SerializedVersion
if (assetKey.Value == nameof(Asset.Id))
{
yamlEventReader.Skip();
}
else if (assetKey.Value == nameof(Asset.SerializedVersion))
{
// Check for old format: only a scalar
var scalarVersion = yamlEventReader.Allow <Scalar>();
if (scalarVersion != null)
{
serializedVersion = PackageVersion.Parse("0.0." + Convert.ToInt32(scalarVersion.Value, CultureInfo.InvariantCulture));
// Let's update to new format
using (var yamlAsset = loadAsset.AsYamlAsset())
{
yamlAsset.DynamicRootNode.RemoveChild(nameof(Asset.SerializedVersion));
AssetUpgraderBase.SetSerializableVersion(yamlAsset.DynamicRootNode, dependencyName, serializedVersion);
var baseBranch = yamlAsset.DynamicRootNode["~Base"];
if (baseBranch != null)
{
var baseAsset = baseBranch["Asset"];
if (baseAsset != null)
{
baseAsset.RemoveChild(nameof(Asset.SerializedVersion));
AssetUpgraderBase.SetSerializableVersion(baseAsset, dependencyName, serializedVersion);
}
}
}
}
else
{
// New format: package => version mapping
yamlEventReader.Expect <MappingStart>();
while (!yamlEventReader.Accept <MappingEnd>())
{
var packageName = yamlEventReader.Expect <Scalar>().Value;
var packageVersion = PackageVersion.Parse(yamlEventReader.Expect <Scalar>().Value);
// For now, we handle only one dependency at a time
if (packageName == dependencyName)
{
serializedVersion = packageVersion;
}
}
yamlEventReader.Expect <MappingEnd>();
}
break;
}
else
{
// If anything else than Id or SerializedVersion, let's stop
break;
}
}
}
if (serializedVersion > expectedVersion)
{
// Try to open an asset newer than what we support (probably generated by a newer Xenko)
throw new InvalidOperationException($"Asset of type {assetType} has been serialized with newer version {serializedVersion}, but only version {expectedVersion} is supported. Was this asset created with a newer version of Xenko?");
}
if (serializedVersion < expectedVersion)
{
// Perform asset upgrade
context.Log.Verbose("{0} needs update, from version {1} to version {2}", Path.GetFullPath(assetFullPath), serializedVersion, expectedVersion);
using (var yamlAsset = loadAsset.AsYamlAsset())
{
var yamlRootNode = yamlAsset.RootNode;
// Check if there is any asset updater
var assetUpgraders = AssetRegistry.GetAssetUpgraders(assetType, dependencyName);
if (assetUpgraders == null)
{
throw new InvalidOperationException($"Asset of type {assetType} should be updated from version {serializedVersion} to {expectedVersion}, but no asset migration path was found");
}
// Instantiate asset updaters
var currentVersion = serializedVersion;
while (currentVersion != expectedVersion)
{
PackageVersion targetVersion;
// This will throw an exception if no upgrader is available for the given version, exiting the loop in case of error.
var upgrader = assetUpgraders.GetUpgrader(currentVersion, out targetVersion);
// Stop if the next version would be higher than what is expected
if (untilVersion != null && targetVersion > untilVersion)
{
break;
}
upgrader.Upgrade(context, dependencyName, currentVersion, targetVersion, yamlRootNode, loadAsset);
currentVersion = targetVersion;
}
// Make sure asset is updated to latest version
YamlNode serializedVersionNode;
PackageVersion newSerializedVersion = null;
if (yamlRootNode.Children.TryGetValue(new YamlScalarNode(nameof(Asset.SerializedVersion)), out serializedVersionNode))
{
var newSerializedVersionForDefaultPackage = ((YamlMappingNode)serializedVersionNode).Children[new YamlScalarNode(dependencyName)];
newSerializedVersion = PackageVersion.Parse(((YamlScalarNode)newSerializedVersionForDefaultPackage).Value);
}
if (untilVersion == null && newSerializedVersion != expectedVersion)
{
throw new InvalidOperationException($"Asset of type {assetType} was migrated, but still its new version {newSerializedVersion} doesn't match expected version {expectedVersion}.");
}
context.Log.Info("{0} updated from version {1} to version {2}", Path.GetFullPath(assetFullPath), serializedVersion, expectedVersion);
}
return(true);
}
return(false);
}
public static void SetSerializableVersion(dynamic asset, string dependencyName, PackageVersion value)
{
if (asset.IndexOf(nameof(Asset.SerializedVersion)) == -1)
{
asset.SerializedVersion = new YamlMappingNode();
// Ensure that it is stored right after the asset Id
asset.MoveChild(nameof(Asset.SerializedVersion), asset.IndexOf(nameof(Asset.Id)) + 1);
}
asset.SerializedVersion[dependencyName] = value;
}
public PackageUpgraderAttribute(string packageName, string packageMinimumVersion, string packageUpdatedVersionRange)
{
PackageName = packageName;
PackageMinimumVersion = new PackageVersion(packageMinimumVersion);
PackageVersionRange.TryParse(packageUpdatedVersionRange, out this.packageUpdatedVersionRange);
}
private void UpgradeBase(AssetMigrationContext context, string dependencyName, PackageVersion currentVersion, PackageVersion targetVersion, dynamic assetBase, PackageLoadingAssetFile assetFile)
{
var baseAsset = assetBase[nameof(AssetBase.Asset)];
if (baseAsset != null)
{
UpgradeAsset(context, currentVersion, targetVersion, baseAsset, assetFile, OverrideUpgraderHint.Base);
SetSerializableVersion(baseAsset, dependencyName, targetVersion);
}
}
protected abstract void UpgradeAsset(AssetMigrationContext context, PackageVersion currentVersion, PackageVersion targetVersion, dynamic asset, PackageLoadingAssetFile assetFile, OverrideUpgraderHint overrideHint);
/// <summary>
/// Initializes a new instance of the <see cref="PackageVersionRange" /> class.
/// </summary>
/// <param name="minVersion">The minimum version.</param>
/// <param name="minVersionInclusive">if set to <c>true</c> the minimum version is inclusive</param>
public PackageVersionRange(PackageVersion minVersion, bool minVersionInclusive)
{
IsMinInclusive = minVersionInclusive;
MinVersion = minVersion;
}
public void Upgrade(AssetMigrationContext context, string dependencyName, PackageVersion currentVersion, PackageVersion targetVersion, YamlMappingNode yamlAssetNode, PackageLoadingAssetFile assetFile)
{
dynamic asset = new DynamicYamlMapping(yamlAssetNode);
// upgrade the asset
var baseBranch = asset[Asset.BaseProperty];
var basePartsBranch = asset[Asset.BasePartsProperty] as DynamicYamlArray;
// Detect in what kind of override context we are
var overrideHint = (baseBranch != null || (basePartsBranch != null && basePartsBranch.Node.Children.Count > 0))
? OverrideUpgraderHint.Derived
: OverrideUpgraderHint.Unknown;
// Upgrade the asset
UpgradeAsset(context, currentVersion, targetVersion, asset, assetFile, overrideHint);
SetSerializableVersion(asset, dependencyName, targetVersion);
// Upgrade its base
if (baseBranch != null)
{
UpgradeBase(context, dependencyName, currentVersion, targetVersion, baseBranch, assetFile);
}
// Upgrade base parts
if (basePartsBranch != null)
{
foreach (dynamic assetBase in basePartsBranch)
{
UpgradeBase(context, dependencyName, currentVersion, targetVersion, assetBase, assetFile);
}
}
}
/// <summary>
/// Tries to parse a version dependency.
/// </summary>
/// <param name="value">The version dependency as a string.</param>
/// <param name="result">The parsed result.</param>
/// <returns><c>true</c> if successfuly parsed, <c>false</c> otherwise.</returns>
/// <exception cref="System.ArgumentNullException">value</exception>
public static bool TryParse(string value, out PackageVersionRange result)
{
if (value == null)
{
throw new ArgumentNullException("value");
}
var versionSpec = new PackageVersionRange();
value = value.Trim();
// First, try to parse it as a plain version string
PackageVersion version;
if (PackageVersion.TryParse(value, out version))
{
// A plain version is treated as an inclusive minimum range
result = new PackageVersionRange
{
MinVersion = version,
IsMinInclusive = true
};
return(true);
}
// It's not a plain version, so it must be using the bracket arithmetic range syntax
result = null;
// Fail early if the string is too short to be valid
if (value.Length < 3)
{
return(false);
}
// The first character must be [ ot (
switch (value.First())
{
case '[':
versionSpec.IsMinInclusive = true;
break;
case '(':
versionSpec.IsMinInclusive = false;
break;
default:
return(false);
}
// The last character must be ] ot )
switch (value.Last())
{
case ']':
versionSpec.IsMaxInclusive = true;
break;
case ')':
versionSpec.IsMaxInclusive = false;
break;
default:
return(false);
}
// Get rid of the two brackets
value = value.Substring(1, value.Length - 2);
// Split by comma, and make sure we don't get more than two pieces
string[] parts = value.Split(',');
if (parts.Length > 2)
{
return(false);
}
if (parts.All(string.IsNullOrEmpty))
{
// If all parts are empty, then neither of upper or lower bounds were specified. Version spec is of the format (,]
return(false);
}
// If there is only one piece, we use it for both min and max
string minVersionString = parts[0];
string maxVersionString = (parts.Length == 2) ? parts[1] : parts[0];
// Only parse the min version if it's non-empty
if (!string.IsNullOrWhiteSpace(minVersionString))
{
if (!PackageVersion.TryParse(minVersionString, out version))
{
return(false);
}
versionSpec.MinVersion = version;
}
// Same deal for max
if (!string.IsNullOrWhiteSpace(maxVersionString))
{
if (!PackageVersion.TryParse(maxVersionString, out version))
{
return(false);
}
versionSpec.MaxVersion = version;
}
// Successful parse!
result = versionSpec;
return(true);
}
protected override void UpgradeAsset(AssetMigrationContext context, PackageVersion currentVersion, PackageVersion targetVersion, dynamic asset, PackageLoadingAssetFile assetFile, OverrideUpgraderHint overrideHint)
{
var rootPartIds = asset.Hierarchy.RootPartIds;
int i = 0;
foreach (dynamic rootPartId in rootPartIds)
{
rootPartIds[i++] = "ref!! " + rootPartId.ToString();
}
asset.Hierarchy.RootParts = rootPartIds;
asset.Hierarchy.RootPartIds = DynamicYamlEmpty.Default;
}
public void Upgrade(AssetMigrationContext context, string dependencyName, PackageVersion currentVersion, PackageVersion targetVersion, YamlMappingNode yamlAssetNode, PackageLoadingAssetFile assetFile)
{
dynamic asset = new DynamicYamlMapping(yamlAssetNode);
// upgrade the asset
UpgradeAsset(context, currentVersion, targetVersion, asset, assetFile);
SetSerializableVersion(asset, dependencyName, targetVersion);
// upgrade its base
var baseBranch = asset[Asset.BaseProperty];
if (baseBranch != null)
{
UpgradeBase(context, dependencyName, currentVersion, targetVersion, baseBranch, assetFile);
}
// upgrade base parts
var basePartsBranch = asset[Asset.BasePartsProperty] as DynamicYamlArray;
if (basePartsBranch != null)
{
foreach (dynamic assetBase in basePartsBranch)
{
UpgradeBase(context, dependencyName, currentVersion, targetVersion, assetBase, assetFile);
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="AssetFormatVersionAttribute"/> class.
/// </summary>
/// <param name="name">The dependency name.</param>
/// <param name="version">The current format version of this asset.</param>
/// <param name="minUpgradableVersion">The minimum format version that supports upgrade for this asset.</param>
public AssetFormatVersionAttribute(string name, string version, string minUpgradableVersion = null)
{
Name = name;
Version = PackageVersion.Parse(version);
MinUpgradableVersion = PackageVersion.Parse(minUpgradableVersion ?? "0");
}
/// <summary>
/// Initializes a new instance of the <see cref="PackageStore"/> class.
/// </summary>
/// <exception cref="System.InvalidOperationException">Unable to find a valid Paradox installation path</exception>
private PackageStore(string installationPath = null, string defaultPackageName = "Paradox", string defaultPackageVersion = ParadoxVersion.CurrentAsText)
{
// 1. Try to use the specified installation path
if (installationPath != null)
{
if (!IsRootDirectory(installationPath))
{
throw new ArgumentException("Invalid Paradox installation path [{0}]".ToFormat(installationPath), "installationPath");
}
globalInstallationPath = installationPath;
}
// TODO: these are currently hardcoded to Paradox
DefaultPackageName = defaultPackageName;
DefaultPackageVersion = new PackageVersion(defaultPackageVersion);
// 2. Try to resolve an installation path from the path of this assembly
// We need to be able to use the package manager from an official Paradox install as well as from a developer folder
// Try to determine the root package manager from the current assembly
var thisAssemblyLocation = typeof(PackageStore).Assembly.Location;
var binDirectory = new FileInfo(thisAssemblyLocation).Directory;
if (binDirectory != null && binDirectory.Parent != null && binDirectory.Parent.Parent != null)
{
var defaultPackageDirectoryTemp = binDirectory.Parent.Parent;
// If we have a root directory, then store it as the default package directory
if (IsPackageDirectory(defaultPackageDirectoryTemp.FullName, DefaultPackageName))
{
defaultPackageDirectory = defaultPackageDirectoryTemp.FullName;
}
else
{
throw new InvalidOperationException("The current assembly [{0}] is not part of the package [{1}]".ToFormat(thisAssemblyLocation, DefaultPackageName));
}
if (globalInstallationPath == null)
{
// Check if we have a regular distribution
if (defaultPackageDirectoryTemp.Parent != null && IsRootDirectory(defaultPackageDirectoryTemp.Parent.FullName))
{
globalInstallationPath = defaultPackageDirectoryTemp.Parent.FullName;
}
else if (IsRootDirectory(defaultPackageDirectory))
{
// we have a dev distribution
globalInstallationPath = defaultPackageDirectory;
}
}
}
else
{
throw new InvalidOperationException("The current assembly [{0}] must be loaded from a valid installation".ToFormat(thisAssemblyLocation));
}
// 3. Try from the environement variable
if (globalInstallationPath == null)
{
var rootDirectory = Environment.GetEnvironmentVariable(DefaultEnvironmentSdkDir);
if (!string.IsNullOrWhiteSpace(rootDirectory) && IsRootDirectory(rootDirectory))
{
globalInstallationPath = rootDirectory;
}
}
// If there is no root, this is an error
if (globalInstallationPath == null)
{
throw new InvalidOperationException("Unable to find a valid Paradox installation or dev path");
}
// Preload default package
var logger = new LoggerResult();
var defaultPackageFile = GetPackageFile(defaultPackageDirectory, DefaultPackageName);
defaultPackage = Package.Load(logger, defaultPackageFile, GetDefaultPackageLoadParameters());
if (defaultPackage == null)
{
throw new InvalidOperationException("Error while loading default package from [{0}]: {1}".ToFormat(defaultPackageFile, logger.ToText()));
}
defaultPackage.IsSystem = true;
// A flag variable just to know if it is a bare bone development directory
isDev = defaultPackageDirectory != null && IsRootDevDirectory(defaultPackageDirectory);
// Check if we are in a root directory with store/packages facilities
if (NugetStore.IsStoreDirectory(globalInstallationPath))
{
packagesDirectory = UPath.Combine(globalInstallationPath, (UDirectory)NugetStore.DefaultGamePackagesDirectory);
store = new NugetStore(globalInstallationPath)
{
DefaultPackageId = DefaultPackageName
};
}
}