/// <summary>
///
/// * Texture(.png etc...)をディスクに書き出す
/// * EditorApplication.delayCall で処理を進めて 書き出した画像が Asset として成立するのを待つ
/// * 書き出した Asset から TextureImporter を取得して設定する
///
/// </summary>
/// <param name="importer"></param>
/// <param name="dirName"></param>
/// <param name="onCompleted"></param>
public static void ExtractTextures(GltfParser parser, UnityPath textureDirectory,
EnumerateAllTexturesDistinctFunc textureEnumerator, Texture2D[] subAssets, Action <Texture2D> addRemap,
Action <IEnumerable <UnityPath> > onCompleted = null)
{
var extractor = new TextureExtractor(parser, textureDirectory, subAssets);
foreach (var x in textureEnumerator(parser))
{
extractor.Extract(x);
}
EditorApplication.delayCall += () =>
{
// Wait for the texture assets to be imported
foreach (var kv in extractor.Textures)
{
var targetPath = kv.Key;
var param = kv.Value;
// remap
var externalObject = targetPath.LoadAsset <Texture2D>();
if (externalObject != null)
{
addRemap(externalObject);
}
}
if (onCompleted != null)
{
onCompleted(extractor.Textures.Keys);
}
};
}
public static void OnGUI(ScriptedImporter importer, GltfParser parser, EnumerateAllTexturesDistinctFunc enumTextures)
{
var hasExternal = importer.GetExternalObjectMap().Any(x => x.Value is Material || x.Value is Texture2D);
using (new TmpGuiEnable(!hasExternal))
{
if (GUILayout.Button("Extract Materials And Textures ..."))
{
ExtractMaterialsAndTextures(importer, parser, enumTextures);
}
}
//
// Draw ExternalObjectMap
//
s_foldMaterials = EditorGUILayout.Foldout(s_foldMaterials, "Remapped Materials");
if (s_foldMaterials)
{
importer.DrawRemapGUI <UnityEngine.Material>(parser.GLTF.materials.Select(x => x.name));
}
s_foldTextures = EditorGUILayout.Foldout(s_foldTextures, "Remapped Textures");
if (s_foldTextures)
{
var names = enumTextures(parser)
.Select(x =>
{
if (x.TextureType != TextureImportTypes.StandardMap && !string.IsNullOrEmpty(x.Uri))
{
// GLTF の 無変換テクスチャーをスキップする
return(null);
}
switch (x.TextureType)
{
case TextureImportTypes.NormalMap:
return(x.GltfName);
default:
return(x.ConvertedName);
}
})
.Where(x => !string.IsNullOrEmpty(x))
;
importer.DrawRemapGUI <UnityEngine.Texture2D>(names);
}
if (GUILayout.Button("Clear"))
{
importer.ClearExternalObjects <UnityEngine.Material>();
importer.ClearExternalObjects <UnityEngine.Texture2D>();
}
}
public static void OnGUI(ScriptedImporter importer, GltfParser parser, EnumerateAllTexturesDistinctFunc enumTextures)
{
var hasExternal = importer.GetExternalObjectMap().Any(x => x.Value is Material || x.Value is Texture2D);
using (new TmpGuiEnable(!hasExternal))
{
if (GUILayout.Button("Extract Materials And Textures ..."))
{
ExtractMaterialsAndTextures(importer, parser, enumTextures);
}
}
//
// Draw ExternalObjectMap
//
s_foldMaterials = EditorGUILayout.Foldout(s_foldMaterials, "Remapped Materials");
if (s_foldMaterials)
{
importer.DrawRemapGUI <UnityEngine.Material>(parser.GLTF.materials.Select(x => new SubAssetKey(typeof(Material), x.name)));
}
s_foldTextures = EditorGUILayout.Foldout(s_foldTextures, "Remapped Textures");
if (s_foldTextures)
{
importer.DrawRemapGUI <UnityEngine.Texture2D>(enumTextures(parser)
.Where(x =>
{
var(key, param) = x;
if ((param.TextureType == TextureImportTypes.sRGB || param.TextureType == TextureImportTypes.NormalMap) && !string.IsNullOrEmpty(param.Uri))
{
// GLTF の 無変換テクスチャーをスキップする
return(false);
}
return(true);
})
.Select(x => x.Key)
);
}
if (GUILayout.Button("Clear"))
{
importer.ClearExternalObjects <UnityEngine.Material>();
importer.ClearExternalObjects <UnityEngine.Texture2D>();
}
}
static void ExtractMaterialsAndTextures(ScriptedImporter self, GltfParser parser, EnumerateAllTexturesDistinctFunc enumTextures)
{
if (string.IsNullOrEmpty(self.assetPath))
{
return;
}
Action <SubAssetKey, Texture2D> addRemap = (key, externalObject) =>
{
self.AddRemap(new AssetImporter.SourceAssetIdentifier(key.Type, key.Name), externalObject);
};
Action <IEnumerable <UnityPath> > onCompleted = _ =>
{
AssetDatabase.ImportAsset(self.assetPath, ImportAssetOptions.ForceUpdate);
self.ExtractMaterials();
AssetDatabase.ImportAsset(self.assetPath, ImportAssetOptions.ForceUpdate);
};
var assetPath = UnityPath.FromFullpath(parser.TargetPath);
var dirName = $"{assetPath.FileNameWithoutExtension}.Textures";
TextureExtractor.ExtractTextures(parser, assetPath.Parent.Child(dirName),
enumTextures,
self.GetSubAssets <UnityEngine.Texture2D>(self.assetPath).ToArray(),
addRemap,
onCompleted
);
}
