add language support in export dialog

Assets/VRM/UniVRM/Editor/Format/VRMExportSettingsEditor.cs

@@ -86,25 +86,34 @@ namespace VRM
         private void OnEnable()
         {
             m_forceTPose = new CheckBoxProp(serializedObject.FindProperty(nameof(ForceTPose)),
-            "エクスポート時に強制的にT-Pose化する。これを使わずに手動でT-Poseを作っても問題ありません");
+            "エクスポート時に強制的にT-Pose化する。これを使わずに手動でT-Poseを作っても問題ありません \n" +
+            "Force T-Pose before export. Manually making T-Pose for model without enabling this is ok");
             m_poseFreeze = new CheckBoxProp(serializedObject.FindProperty(nameof(PoseFreeze)),
-            "エクスポート時に正規化(ヒエラルキーから回転と拡大縮小を取り除くためにベイク)する");
+            "エクスポート時に正規化(ヒエラルキーから回転と拡大縮小を取り除くためにベイク)する \n" +
+            "Model's normalization (bake to remove roation and scaling from the hierarchy)");
             m_useExcperimentalExporter = new CheckBoxProp(serializedObject.FindProperty(nameof(UseExperimentalExporter)),
-            "エクスポート時に新しいJsonSerializerを使う");
+            "エクスポート時に新しいJsonSerializerを使う \n" +
+            "The new version of JsonSerializer for model export");
             m_useSparseAccessor = new CheckBoxProp(serializedObject.FindProperty(nameof(UseSparseAccessor)),
-            "BlendShapeの容量を GLTF の Sparse Accessor 機能で削減する。修正中: UniGLTF以外でロードできません");
+            "BlendShapeの容量を GLTF の Sparse Accessor 機能で削減する。修正中: UniGLTF以外でロードできません \n" +
+            "BlendShape size can be reduced by using Sparse Accessor");
             m_onlyBlendShapePosition = new CheckBoxProp(serializedObject.FindProperty(nameof(OnlyBlendshapePosition)),
-            "BlendShapeClipのエクスポートに法線とTangentを含めない。UniVRM-0.53 以前ではロードがエラーになるのに注意してください");
+            "BlendShapeClipのエクスポートに法線とTangentを含めない。UniVRM-0.53 以前ではロードがエラーになるのに注意してください \n" +
+            "BlendShape's Normal and Tangent will not be exported. Be aware that errors may occur during import if the model is made by UniVRM-0.53 or earlier versions");
             m_reduceBlendShape = new CheckBoxProp(serializedObject.FindProperty(nameof(ReduceBlendshape)),
-            "BlendShapeClipから参照されないBlendShapeをエクスポートに含めない");
+            "BlendShapeClipから参照されないBlendShapeをエクスポートに含めない \n" +
+            "BlendShapes that are not referenced by BlendShapeClips will not be exported");
             m_reduceBlendShapeClip = new CheckBoxProp(serializedObject.FindProperty(nameof(ReduceBlendshapeClip)),
-            "BlendShapeClip.Preset == Unknown のBlendShapeClipをエクスポートに含めない");
+            "BlendShapeClip.Preset == Unknown のBlendShapeClipをエクスポートに含めない \n" +
+            "BlendShapeClip will not be exported if BlendShapeClip.Preset == Unknown");
             m_removeVertexColor = new CheckBoxProp(serializedObject.FindProperty(nameof(RemoveVertexColor)),
-            "エクスポートに頂点カラーを含めない");
+            "エクスポートに頂点カラーを含めない \n" +
+            "Vertex color will not be exported");
         }
 
         public override void OnInspectorGUI()
         {
+            EditorGUIUtility.labelWidth = 160;
             serializedObject.Update();
             m_forceTPose.Draw();
             m_poseFreeze.Draw();

Assets/VRM/UniVRM/Editor/Format/VRMExporterWizard.cs

@@ -152,24 +152,24 @@ namespace VRM
 
             if (DuplicateBoneNameExists())
             {
-                yield return Validation.Warning("There is a bone with the same name in the hierarchy. If exported, these bones will be automatically renamed.");
+                yield return Validation.Warning(Msg.DUPLICATE_BONE_NAME_EXISTS);
             }
 
             if (m_settings.ReduceBlendshape && ExportRoot.GetComponent<VRMBlendShapeProxy>() == null)
             {
-                yield return Validation.Error("ReduceBlendshapeSize needs VRMBlendShapeProxy. You need to convert to VRM once.");
+                yield return Validation.Error(Msg.NEEDS_VRM_BLENDSHAPE_PROXY);
             }
 
             var vertexColor = ExportRoot.GetComponentsInChildren<SkinnedMeshRenderer>().Any(x => x.sharedMesh.colors.Length > 0);
             if (vertexColor)
             {
-                yield return Validation.Warning("This model contains vertex color");
+                yield return Validation.Warning(Msg.VERTEX_COLOR_IS_INCLUDED);
             }
 
             var renderers = ExportRoot.GetComponentsInChildren<Renderer>();
             if (renderers.All(x => !x.gameObject.activeInHierarchy))
             {
-                yield return Validation.Error("No active mesh");
+                yield return Validation.Error(Msg.NO_ACTIVE_MESH);
             }
 
             var materials = renderers.SelectMany(x => x.sharedMaterials).Distinct();
@@ -193,15 +193,13 @@ namespace VRM
                     continue;
                 }
 
-                yield return Validation.Warning(string.Format("{0}: unknown shader '{1}' is used. this will export as `Standard` fallback",
-                    material.name,
-                    material.shader.name));
+                yield return Validation.Warning($"Material: {material.name}. Unknown Shader: \"{material.shader.name}\" is used. {Msg.UNKNOWN_SHADER}");
             }
 
             foreach (var material in materials)
             {
                 if (IsFileNameLengthTooLong(material.name))
-                    yield return Validation.Error(string.Format("FileName '{0}' is too long. ", material.name));
+                    yield return Validation.Error(Msg.FILENAME_TOO_LONG + material.name);
             }
 
             var textureNameList = new List<string>();
@@ -226,7 +224,7 @@ namespace VRM
             foreach (var textureName in textureNameList)
             {
                 if (IsFileNameLengthTooLong(textureName))
-                    yield return Validation.Error(string.Format("FileName '{0}' is too long. ", textureName));
+                    yield return Validation.Error(Msg.FILENAME_TOO_LONG + textureName);
             }
 
             var vrmMeta = ExportRoot.GetComponent<VRMMeta>();
@@ -234,7 +232,7 @@ namespace VRM
             {
                 var thumbnailName = vrmMeta.Meta.Thumbnail.name;
                 if (IsFileNameLengthTooLong(thumbnailName))
-                    yield return Validation.Error(string.Format("FileName '{0}' is too long. ", thumbnailName));
+                    yield return Validation.Error(Msg.FILENAME_TOO_LONG + thumbnailName);
             }
 
             var meshFilters = ExportRoot.GetComponentsInChildren<MeshFilter>();
@@ -242,7 +240,7 @@ namespace VRM
             foreach (var meshName in meshesName)
             {
                 if (IsFileNameLengthTooLong(meshName))
-                    yield return Validation.Error(string.Format("FileName '{0}' is too long. ", meshName));
+                    yield return Validation.Error(Msg.FILENAME_TOO_LONG + meshName);
             }
 
             var skinnedmeshRenderers = ExportRoot.GetComponentsInChildren<SkinnedMeshRenderer>();
@@ -250,7 +248,7 @@ namespace VRM
             foreach (var skinnedmeshName in skinnedmeshesName)
             {
                 if (IsFileNameLengthTooLong(skinnedmeshName))
-                    yield return Validation.Error(string.Format("FileName '{0}' is too long. ", skinnedmeshName));
+                    yield return Validation.Error(Msg.FILENAME_TOO_LONG + skinnedmeshName);
             }
         }
 
@@ -283,7 +281,10 @@ namespace VRM
             {
                 m_Inspector = Editor.CreateEditor(m_settings);
             }
+
+            m_lang = EnumUtil.TryParseOrDefault<VRMExporterWizardMessages.Languages>(EditorPrefs.GetString(LANG_KEY, default(VRMExporterWizardMessages.Languages).ToString()));
         }
+        const string LANG_KEY = "VRM_LANG";
 
         void OnDisable()
         {
@@ -334,7 +335,11 @@ namespace VRM
             }
         }
 
+        VRMExporterWizardMessages.Languages m_lang;
+        VRMExporterWizardMessages.LangMessages Msg => VRMExporterWizardMessages.M17N[m_lang];
+
         //@TODO: Force repaint if scripts recompile
+
         private void OnGUI()
         {
             if (m_tmpMeta == null)
@@ -345,6 +350,14 @@ namespace VRM
 
             EditorGUIUtility.labelWidth = 150;
 
+            // lang
+            var lang = (VRMExporterWizardMessages.Languages)EditorGUILayout.EnumPopup("lang", m_lang);
+            if (lang != m_lang)
+            {
+                m_lang = lang;
+                EditorPrefs.SetString(LANG_KEY, m_lang.ToString());
+            }
+
             EditorGUILayout.LabelField("ExportRoot");
             var root = (GameObject)EditorGUILayout.ObjectField(ExportRoot, typeof(GameObject), true);
             UpdateRoot(root);
@@ -358,24 +371,24 @@ namespace VRM
             //
             if (root == null)
             {
-                Validation.Error("ExportRootをセットしてください").DrawGUI();
+                Validation.Error(Msg.ROOT_EXISTS).DrawGUI();
                 return;
             }
             if (root.transform.parent != null)
             {
-                Validation.Error("ExportRootに親はオブジェクトは持てません").DrawGUI();
+                Validation.Error(Msg.NO_PARENT).DrawGUI();
                 return;
             }
             if (root.transform.localRotation != Quaternion.identity || root.transform.localScale != Vector3.one)
             {
-                Validation.Error("ExportRootに回転・拡大縮小は持てません。子階層で回転・拡大縮小してください").DrawGUI();
+                Validation.Error(Msg.ROOT_WITHOUT_ROTATION_AND_SCALING_CHANGED).DrawGUI();
                 return;
             }
             if (!root.scene.IsValid())
             {
                 // Prefab でシーンに出していないものを判定したい
                 // FIXME: もっと適切な判定があればそれに
-                Validation.Error("シーンに出していない Prefab はエクスポートできません(細かい挙動が違い、想定外の動作をところがあるため)。シーンに展開してからエクスポートしてください").DrawGUI();
+                Validation.Error(Msg.PREFAB_CANNOT_EXPORT).DrawGUI();
                 return;
             }
             if (HasRotationOrScale(ExportRoot))
@@ -386,14 +399,14 @@ namespace VRM
                 }
                 else
                 {
-                    Validation.Warning("回転・拡大縮小を持つノードが含まれています。正規化が必用です。Setting の PoseFreeze を有効にしてください").DrawGUI();
+                    Validation.Warning(Msg.ROTATION_OR_SCALEING_INCLUDED_IN_NODE).DrawGUI();
                 }
             }
             else
             {
                 if (m_settings.PoseFreeze)
                 {
-                    Validation.Warning("正規化済みです。Setting の PoseFreeze は不要です").DrawGUI();
+                    Validation.Warning(Msg.IS_POSE_FREEZE_DONE).DrawGUI();
                 }
                 else
                 {
@@ -407,7 +420,7 @@ namespace VRM
             var animator = root.GetComponent<Animator>();
             if (animator == null)
             {
-                Validation.Error("ExportRootに Animator がありません").DrawGUI();
+                Validation.Error(Msg.NO_ANIMATOR).DrawGUI();
                 return;
             }
 
@@ -416,30 +429,30 @@ namespace VRM
             var f = GetForward(l, r);
             if (Vector3.Dot(f, Vector3.forward) < 0.8f)
             {
-                Validation.Error("Z+ 向きにしてください").DrawGUI();
+                Validation.Error(Msg.FACE_Z_POSITIVE_DIRECTION).DrawGUI();
                 return;
             }
 
             var avatar = animator.avatar;
             if (avatar == null)
             {
-                Validation.Error("ExportRootの Animator に Avatar がありません").DrawGUI();
+                Validation.Error(Msg.NO_AVATAR_IN_ANIMATOR).DrawGUI();
                 return;
             }
             if (!avatar.isValid)
             {
-                Validation.Error("ExportRootの Animator.Avatar が不正です").DrawGUI();
+                Validation.Error(Msg.AVATAR_IS_NOT_VALID).DrawGUI();
                 return;
             }
             if (!avatar.isHuman)
             {
-                Validation.Error("ExportRootの Animator.Avatar がヒューマノイドではありません。FBX importer の Rig で設定してください").DrawGUI();
+                Validation.Error(Msg.AVATAR_IS_NOT_HUMANOID).DrawGUI();
                 return;
             }
             var jaw = animator.GetBoneTransform(HumanBodyBones.Jaw);
             if (jaw != null)
             {
-                Validation.Warning("Jaw bone is included. It may not be what you intended. Please check the humanoid avatar setting screen").DrawGUI();
+                Validation.Warning(Msg.JAW_BONE_IS_INCLUDED).DrawGUI();
             }
             else
             {

Assets/VRM/UniVRM/Editor/Format/VRMExporterWizardMessages.cs

@@ -0,0 +1,84 @@
+using System.Collections.Generic;
+
+namespace VRM
+{
+    /// <summary>
+    /// エクスポートダイアログ用の簡易なメッセージカタログ
+    /// </summary>
+    public static class VRMExporterWizardMessages
+    {
+        public enum Languages
+        {
+            ja,
+            en,
+        }
+
+        public struct LangMessages
+        {
+            public string ROOT_EXISTS;
+            public string NO_PARENT;
+            public string ROOT_WITHOUT_ROTATION_AND_SCALING_CHANGED;
+            public string PREFAB_CANNOT_EXPORT;
+            public string ROTATION_OR_SCALEING_INCLUDED_IN_NODE;
+            public string IS_POSE_FREEZE_DONE;
+            public string NO_ANIMATOR;
+            public string FACE_Z_POSITIVE_DIRECTION;
+            public string NO_AVATAR_IN_ANIMATOR;
+            public string AVATAR_IS_NOT_VALID;
+            public string AVATAR_IS_NOT_HUMANOID;
+            public string JAW_BONE_IS_INCLUDED;
+            public string DUPLICATE_BONE_NAME_EXISTS;
+            public string NEEDS_VRM_BLENDSHAPE_PROXY;
+            public string VERTEX_COLOR_IS_INCLUDED;
+            public string NO_ACTIVE_MESH;
+            public string UNKNOWN_SHADER;
+            public string FILENAME_TOO_LONG;
+        }
+
+        public static readonly Dictionary<Languages, LangMessages> M17N = new Dictionary<Languages, LangMessages>
+        {
+            {Languages.ja, new LangMessages{
+                ROOT_EXISTS ="ExportRootをセットしてください",
+                NO_PARENT = "ExportRootに親はオブジェクトは持てません",
+                ROOT_WITHOUT_ROTATION_AND_SCALING_CHANGED = "ExportRootに回転・拡大縮小は持てません。子階層で回転・拡大縮小してください",
+                PREFAB_CANNOT_EXPORT = "シーンに出していない Prefab はエクスポートできません(細かい挙動が違い、想定外の動作をところがあるため)。シーンに展開してからエクスポートしてください",
+                ROTATION_OR_SCALEING_INCLUDED_IN_NODE = "回転・拡大縮小を持つノードが含まれています。正規化が必用です。Setting の PoseFreeze を有効にしてください",
+                IS_POSE_FREEZE_DONE = "正規化済みです。Setting の PoseFreeze は不要です",
+                NO_ANIMATOR = "ExportRootに Animator がありません",
+                FACE_Z_POSITIVE_DIRECTION = "Z+ 向きにしてください",
+                NO_AVATAR_IN_ANIMATOR = "ExportRootの Animator に Avatar がありません",
+                AVATAR_IS_NOT_VALID = "ExportRootの Animator.Avatar が不正です",
+                AVATAR_IS_NOT_HUMANOID = "ExportRootの Animator.Avatar がヒューマノイドではありません。FBX importer の Rig で設定してください",
+                JAW_BONE_IS_INCLUDED = "humanoid設定に顎が含まれている。FBX importer の rig 設定に戻って設定を解除することをおすすめします",
+                DUPLICATE_BONE_NAME_EXISTS = "ヒエラルキーの中に同じ名前のGameObjectが含まれている。 エクスポートした場合に自動でリネームする",
+                NEEDS_VRM_BLENDSHAPE_PROXY = "VRMBlendShapeProxyが必要です。先にVRMフォーマットに変換してください",
+                VERTEX_COLOR_IS_INCLUDED = "ヒエラルキーに含まれる mesh に頂点カラーが含まれている",
+                NO_ACTIVE_MESH = "ヒエラルキーに active なメッシュが含まれていない",
+                UNKNOWN_SHADER = "Standard, Unlit, MToon 以外のマテリアルは、Standard になります",
+                FILENAME_TOO_LONG = "名前が長すぎる。リネームしてください： ",
+            }
+            },
+            {Languages.en, new LangMessages{
+                ROOT_EXISTS = "Please set up a ExportRoot for model export",
+                NO_PARENT = "ExportRoot must be topmost parent",
+                ROOT_WITHOUT_ROTATION_AND_SCALING_CHANGED = "ExportRoot's rotation and scaling are not allowed to change. Please set up rotation and scaling in child node",
+                PREFAB_CANNOT_EXPORT = "Prefab Asset cannot be exported. Prefab Asset has different behaviour with Scene GameObject. Please put the prefab into the scene",
+                ROTATION_OR_SCALEING_INCLUDED_IN_NODE = " Normalization is required. There are nodes (child GameObject) where rotation and scaling are not default. Please enable PoseFreeze",
+                IS_POSE_FREEZE_DONE = "Normalization has been done. PoseFreeze is not required",
+                NO_ANIMATOR = "No Animator in ExportRoot",
+                FACE_Z_POSITIVE_DIRECTION = "The model needs to face the positive Z-axis",
+                NO_AVATAR_IN_ANIMATOR = "No Avatar in ExportRoot's Animator",
+                AVATAR_IS_NOT_VALID = "Animator.avatar in ExportRoot is not valid",
+                AVATAR_IS_NOT_HUMANOID = "Animator.avatar is not humanoid. Please change model's AnimationType to humanoid",
+                JAW_BONE_IS_INCLUDED = "Jaw bone is included. It may not what you intended. Please check the humanoid avatar setting screen",
+                DUPLICATE_BONE_NAME_EXISTS = "There are bones with the same name in the hierarchy. They will be automatically renamed after export",
+                NEEDS_VRM_BLENDSHAPE_PROXY = "VRMBlendShapeProxy is required. Please convert to VRM format first",
+                VERTEX_COLOR_IS_INCLUDED = "This model contains vertex color",
+                NO_ACTIVE_MESH = "No active mesh",
+                UNKNOWN_SHADER = "It will export as `Standard` fallback",
+                FILENAME_TOO_LONG = "FileName is too long: ",
+            }
+            },
+        };
+    }
+}

Assets/VRM/UniVRM/Editor/Format/VRMExporterWizardMessages.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 515984b15b5b5bf4baca4fa2d6344fcf
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: