add VrmaScriptedImporter

Assets/VRM10/Editor/ScriptedImporter/VrmaScriptedImporter.cs

@@ -0,0 +1,64 @@
+using UniGLTF;
+using UnityEngine;
+using System.Linq;
+using UnityEditor.AssetImporters;
+
+
+namespace UniVRM10
+{
+    [ScriptedImporter(1, "vrma")]
+    public class VrmaScriptedImporter : ScriptedImporter
+    {
+        /// <summary>
+        /// Vrm-1.0 の Asset にアイコンを付与する
+        /// </summary>
+        static Texture2D _AssetIcon = null;
+        static Texture2D AssetIcon
+        {
+            get
+            {
+                if (_AssetIcon == null)
+                {
+                    // try package
+                    _AssetIcon = UnityEditor.AssetDatabase.LoadAssetAtPath<Texture2D>("Packages/com.vrmc.vrm/Icons/vrm-48x48.png");
+                }
+                if (_AssetIcon == null)
+                {
+                    // try assets
+                    _AssetIcon = UnityEditor.AssetDatabase.LoadAssetAtPath<Texture2D>("Assets/VRM10/Icons/vrm-48x48.png");
+                }
+                return _AssetIcon;
+            }
+        }
+
+        public override void OnImportAsset(AssetImportContext context)
+        {
+            // 2 回目以降の Asset Import において、 Importer の設定で Extract した UnityEngine.Object が入る
+            var extractedObjects = GetExternalObjectMap()
+                .Where(x => x.Value != null)
+                .ToDictionary(kv => new SubAssetKey(kv.Value.GetType(), kv.Key.name), kv => kv.Value);
+
+            using (var data = new AutoGltfFileParser(assetPath).Parse())
+            using (var loader = new VrmAnimationImporter(data, extractedObjects))
+            {
+                var loaded = loader.Load();
+
+                loaded.TransferOwnership((k, o) =>
+                {
+                    Debug.Log(o);
+                    context.AddObjectToAsset(k.Name, o);
+                });
+
+                var root = loaded.Root;
+                GameObject.DestroyImmediate(loaded);
+
+                // var vrma = root.GetComponent<Vrm10AnimationInstance>();
+                // context.AddObjectToAsset("__boxman_mesh__", vrma.BoxMan.sharedMesh);
+                // context.AddObjectToAsset("__boxman_mesh__material__", vrma.BoxMan.sharedMaterial);
+
+                context.AddObjectToAsset(root.name, root, AssetIcon);
+                context.SetMainObject(root);
+            }
+        }
+    }
+}