Merge pull request #2816 from ousttrue/fix/ktx_import_default

ktx 参照の復旧と IsAllTexturesYFlipped = true

Packages/UniGLTF/Runtime/UniGLTF.asmdef

@@ -4,7 +4,8 @@
     "references": [
         "GUID:da3e51d19d51a544fa14d43fee843098",
         "GUID:60c8346e00a8ddd4cafc5a02eceeec57",
-        "GUID:1cd941934d098654fa21a13f28346412"
+        "GUID:1cd941934d098654fa21a13f28346412",
+        "GUID:3d354272d3f2f4c3387dbccbaebd0f60"
     ],
     "includePlatforms": [],
     "excludePlatforms": [],
@@ -13,6 +14,12 @@
     "precompiledReferences": [],
     "autoReferenced": true,
     "defineConstraints": [],
-    "versionDefines": [],
+    "versionDefines": [
+        {
+            "name": "com.unity.cloud.ktx",
+            "expression": "",
+            "define": "USE_COM_UNITY_CLOUD_KTX"
+        }
+    ],
     "noEngineReferences": false
 }

Packages/UniGLTF/Runtime/UniGLTF/IO/ExtensionSupportFlags.cs

@@ -14,7 +14,7 @@
         /// Unity は内部で画像を Y 軸反転させているため、あらかじめ Y 軸反転させておくほうが効率的であり、その場合に対応。
         /// https://docs.unity3d.com/Packages/com.unity.cloud.ktx@3.2/manual/creating-textures.html
         /// </summary>
-        public bool IsAllTexturesYFlipped { get; set; }
+        public bool IsAllTexturesYFlipped { get; set; } = true;
 
         public void CopyValueFrom(ExtensionSupportFlags src)
         {