/// Returns a serialized ToolkitBrushDescriptor suitable for inclusion in the Toolkit
public static string CreateAndSerialize(
BrushDescriptor desc, Guid materialGuid, string assetName, out string meta)
{
ToolkitBrushDescriptor tkdesc = CreateFrom(desc);
string yaml = SerializeToUnityString(tkdesc, assetName, out meta);
yaml = ChangeToToolkitScript(yaml);
yaml = SetMaterialGuid(yaml, materialGuid);
return(yaml);
}
// Directly creates some assets in the target tree, and appends other assets
// to collectedAssets for later copying.
//
// Assets which are directly created in the target:
// --- asset --- --- .meta guid ---
// <target>/Assets/Brushes/Basic/<name>/<name>.mat desc.m_Guid.ToString("N")
// <target>/Assets/Brushes/Basic/<name>/<name>.asset Uuid5(desc.m_Guid, 'tbt-asset'), unity-style
//
// - .mat guids are serialized as .ToString("N")
// - Pre-M14 .asset guids are random and generated by Unity (RFC 4122 type 4)
// - M14+ .asset guids are generated deterministically (RFC 4122 type 5), and
// we copy Unity's wacky serialization format so it's more-feasible to determine
// which is which, should we ever need to. But maybe we should bite the bullet
// and make them all type 5? (which may annoy a small number of people trying
// to upgrade TBT in a pre-existing project because of the .meta change)
static void ExportToToolkit_Brush(
BrushDescriptor descriptor,
string targetDirectory,
HashSet <string> collectedAssets)
{
if (descriptor.name.StartsWith("Pbr"))
{
Debug.LogFormat("Skipping {0}: we don't know how to handle pbr in TBT yet", descriptor.name);
return;
}
if (descriptor.name.StartsWith("EnvironmentDiffuse"))
{
Debug.LogFormat("Skipping {0}: we don't need these EnvironmentDiffuse things in TBT", descriptor.name);
return;
}
string containerDirectory = Path.Combine(targetDirectory, GetSubdirForBrush(descriptor));
string assetName = GetCreatedAssetNameForBrush(descriptor);
// Create material and store its dependencies
string desiredFilename = assetName + ".mat";
string materialFinalPath = containerDirectory + "/" + desiredFilename;
string materialAssetPath = AssetDatabase.GetAssetPath(descriptor.Material);
collectedAssets.UnionWith(GetDependencies(materialAssetPath, includeRoot: false));
// Steal the brush's TB guid to use as a Unity guid.
Guid materialGuid = descriptor.m_Guid;
CopyAsset(materialAssetPath, materialFinalPath, adjustName: true);
SetFileGuid_Incorrect(materialFinalPath, descriptor.m_Guid);
// Create a brush descriptor
string targetPath = Path.Combine(containerDirectory, assetName + ".asset");
string meta;
string yaml = ToolkitBrushDescriptor.CreateAndSerialize(
descriptor, materialGuid, assetName, out meta);
File.WriteAllText(targetPath, yaml);
string targetMetaPath = targetPath + ".meta";
if (!File.Exists(targetMetaPath))
{
Warning("New brush {0}: Uncomment and run BrushManifest.MenuItem_UpdateManifest() in TBT",
descriptor.m_DurableName);
}
else
{
// Revert spurious timestamp changes
var match = Regex.Match(File.ReadAllText(targetMetaPath), @"timeCreated: \d+");
if (match.Success)
{
meta = Regex.Replace(meta, @"timeCreated: \d+", match.Groups[0].Value);
}
}
File.WriteAllText(targetMetaPath, meta);
if (kLegacyBrushGuidToTbtAssetGuidMapping.ContainsKey(descriptor.m_Guid))
{
// Legacy: for pre-M14 brushes that were created with random .meta guids
SetFileGuid_String(targetPath, kLegacyBrushGuidToTbtAssetGuidMapping[descriptor.m_Guid]);
}
else
{
Guid brushAssetGuid = GuidUtils.Uuid5(descriptor.m_Guid, "tbt-asset");
SetFileGuid_Correct(targetPath, brushAssetGuid);
}
}
