public static Guid GetGuid(this UnityEngine.Object obj)
{
if (!UnityEditor.AssetDatabase.TryGetGUIDAndLocalFileIdentifier(obj, out var guid, out long fileId))
{
return(Guid.Empty);
}
if (string.IsNullOrEmpty(guid) || guid == "00000000000000000000000000000000")
{
// Special case for memory textures
if (obj is UnityEngine.Texture texture)
{
return(texture.imageContentsHash.ToGuid());
}
Debug.LogWarning($"Could not get {nameof(Guid)} for object type '{obj.GetType().FullName}'.");
return(Guid.Empty);
}
// Merge asset database guid and file identifier
var bytes = new byte[guid.Length + sizeof(long)];
Encoding.ASCII.GetBytes(guid).CopyTo(bytes, 0);
BitConverter.GetBytes(fileId).CopyTo(bytes, guid.Length);
return(GuidUtility.NewGuid(bytes));
}
public override Guid GetExportHash(UnityEngine.Texture2D texture)
{
var bytes = new List <byte>();
// Add tiny texture settings bytes
var settings = Texture2DAsset.GetSettings(texture);
var settingsJson = UnityEditor.EditorJsonUtility.ToJson(settings);
bytes.AddRange(Encoding.ASCII.GetBytes(settingsJson));
// Add texture importer settings bytes
var assetPath = UnityEditor.AssetDatabase.GetAssetPath(texture);
if (!string.IsNullOrEmpty(assetPath))
{
var importer = UnityEditor.AssetImporter.GetAtPath(assetPath) as UnityEditor.TextureImporter;
if (importer != null)
{
var importerJson = UnityEditor.EditorJsonUtility.ToJson(importer);
bytes.AddRange(Encoding.ASCII.GetBytes(importerJson));
}
}
// Add image content hash bytes
var contentHash = texture.imageContentsHash.ToString();
bytes.AddRange(Encoding.ASCII.GetBytes(contentHash));
// New guid from bytes
return(GuidUtility.NewGuid(bytes.ToArray()));
}
static internal Entity LoadConfigAsync()
{
if (World.Active.TinyEnvironment().configEntity != Entity.Null)
{
throw new Exception("Configuration already loaded");
}
var configGuid = GuidUtility.NewGuid(ConfigurationAssetPath);
return(LoadSceneAsync(new SceneGuid()
{
Guid = configGuid
}));
}
public override Guid GetExportHash(UnityEngine.Video.VideoClip clip)
{
var bytes = new List <byte>();
// Add clip importer settings bytes
var assetPath = UnityEditor.AssetDatabase.GetAssetPath(clip);
if (!string.IsNullOrEmpty(assetPath))
{
var importer = UnityEditor.AssetImporter.GetAtPath(assetPath) as UnityEditor.VideoClipImporter;
if (importer != null)
{
var importerJson = UnityEditor.EditorJsonUtility.ToJson(importer);
bytes.AddRange(Encoding.ASCII.GetBytes(importerJson));
}
// Add hash file
bytes.AddRange(File.ReadAllBytes(assetPath));
}
// New id from bytes
return(GuidUtility.NewGuid(bytes.ToArray()));
}
public void NewGuid()
{
var guid = GuidUtility.NewGuid("Configuration");
Assert.AreEqual("46b433b264c69cbd39f04ad2e5d12be8", guid.ToString("N"));
}