public MigrationData(string msg, Migration.Vrm0Meta meta = default, byte[] bytes = default)
{
Message = msg;
OriginalMetaBeforeMigration = meta;
MigratedBytes = bytes;
}
/// <summary>
/// vrm1 をパースする。vrm0 からのマイグレートもできる。
/// </summary>
/// <param name="path"></param>
/// <param name="bytes"></param>
/// <param name="doMigrate"></param>
/// <param name="vrm1Data">成功した場合非 null</param>
/// <param name="migration">doMigrate==true の場合、関連情報が入る</param>
/// <returns>GltfDataを作成できたときは Return するのでDisposeすること</returns>
public static GltfData ParseOrMigrate(string path, byte[] bytes, bool doMigrate, out Vrm10Data vrm1Data, out MigrationData migration)
{
var data = new GlbLowLevelParser(path, bytes).Parse();
byte[] migrated = default;
byte[] migratedBytes = null;
Migration.Vrm0Meta oldMeta = default;
try
{
if (UniGLTF.Extensions.VRMC_vrm.GltfDeserializer.TryGet(data.GLTF.extensions, out UniGLTF.Extensions.VRMC_vrm.VRMC_vrm vrm))
{
// success
vrm1Data = new Vrm10Data(data, vrm);
migration = default;
return(data);
}
if (!doMigrate)
{
vrm1Data = default;
migration = new MigrationData("Not vrm1 and no migration");
return(data);
}
// try migrateion
// Migration.Vrm0Meta oldMeta = default;
JsonNode json = data.Json.ParseAsJson();
if (!json.TryGet("extensions", out JsonNode extensions))
{
vrm1Data = default;
migration = new MigrationData("gltf: no extensions");
return(data);
}
if (!extensions.TryGet("VRM", out JsonNode vrm0))
{
vrm1Data = default;
migration = new MigrationData("gltf: no vrm0");
return(data);
}
// found vrm0
oldMeta = Migration.Vrm0Meta.FromJsonBytes(json);
if (oldMeta == null)
{
throw new NullReferenceException("oldMeta");
}
// try migrate...
migrated = MigrationVrm.Migrate(data);
if (migrated == null)
{
vrm1Data = default;
migration = new MigrationData("Found vrm0. But fail to migrate", oldMeta);
return(data);
}
if (VRMShaders.Symbols.VRM_DEVELOP)
{
// load 時の右手左手座標変換でバッファが破壊的変更されるので、コピーを作っている
migratedBytes = migrated.Select(x => x).ToArray();
}
}
catch (Exception ex)
{
// 何か起きた。Dispose は頼む
vrm1Data = default;
migration = new MigrationData(ex.Message);
return(data);
}
// マイグレーション前を破棄
data.Dispose();
// マイグレーション結果をパースする
var migratedData = new GlbLowLevelParser(data.TargetPath, migrated).Parse();
try
{
if (!UniGLTF.Extensions.VRMC_vrm.GltfDeserializer.TryGet(migratedData.GLTF.extensions, out VRMC_vrm vrm))
{
// migration した結果のパースに失敗した !
vrm1Data = default;
migration = new MigrationData("vrm0: migrate but error ?", oldMeta, migrated);
return(migratedData);
}
{
// success
vrm1Data = new Vrm10Data(migratedData, vrm);
migration = new MigrationData("vrm0: migrated", oldMeta, migratedBytes);
return(migratedData);
}
}
catch (Exception ex)
{
// 何か起きた。Dispose は頼む
vrm1Data = default;
migration = new MigrationData(ex.Message);
return(migratedData);
}
}
public static Vrm0Meta FromJsonBytes(UniJSON.JsonNode glTF)
{
var oldMeta = new Vrm0Meta();
var extensions = glTF["extensions"];
var vrm = extensions["VRM"];
var meta = vrm["meta"];
foreach (var kv in meta.ObjectItems())
{
var key = kv.Key.GetString();
switch (key)
{
case "title":
oldMeta.title = kv.Value.GetString();
break;
case "version":
oldMeta.version = kv.Value.GetString();
break;
case "author":
oldMeta.author = kv.Value.GetString();
break;
case "contactInformation":
oldMeta.contactInformation = kv.Value.GetString();
break;
case "reference":
oldMeta.reference = kv.Value.GetString();
break;
case "texture":
oldMeta.texture = kv.Value.GetInt32();
break;
case "allowedUserName":
oldMeta.allowedUser = (AllowedUser)Enum.Parse(typeof(AllowedUser), kv.Value.GetString(), true);
break;
case "violentUssageName":
oldMeta.violentUsage = kv.Value.GetString() == "Allow";
break;
case "sexualUssageName":
oldMeta.sexualUsage = kv.Value.GetString() == "Allow";
break;
case "commercialUssageName":
oldMeta.commercialUsage = kv.Value.GetString() == "Allow";
break;
case "otherPermissionUrl":
oldMeta.otherPermissionUrl = kv.Value.GetString();
break;
case "licenseName":
oldMeta.licenseType = (LicenseType)Enum.Parse(typeof(LicenseType), kv.Value.GetString(), true);
break;
case "otherLicenseUrl":
oldMeta.otherLicenseUrl = kv.Value.GetString();
break;
default:
UnityEngine.Debug.Log($"{key}");
break;
}
}
return(oldMeta);
}