Merge pull request #3 from decentraland/feat/update-post-messages

feat: Add OnLoadComplete event

Author: mihakrajnc

Assets/JSPlugin/JSBridge.jslib

@@ -1,12 +1,41 @@
 mergeInto(LibraryManager.library, {
   OnScreenshotTaken: function (strPtr) {
-    const base64str = UTF8ToString(strPtr);
-    window.parent.postMessage(
+    const base64str = UTF8ToString(strPtr)
+    const targetWindow = (() => {
+      try {
+        return window.self !== window.top ? window : window.parent
+      } catch (e) {
+        return window.parent
+      }
+    })()
+    targetWindow.postMessage(
       {
-        type: 'unity-screenshot',
-        data: base64str
+        type: 'unity-renderer',
+        payload: {
+          type: 'screenshot',
+          payload: base64str,
+        },
       },
       '*'
-    );
-  }
-});
+    )
+  },
+  OnLoadComplete: function () {
+    const targetWindow = (() => {
+      try {
+        return window.self !== window.top ? window : window.parent
+      } catch (e) {
+        return window.parent
+      }
+    })()
+    targetWindow.postMessage(
+      {
+        type: 'unity-renderer',
+        payload: {
+          type: 'loaded',
+          payload: true,
+        },
+      },
+      '*'
+    )
+  },
+})

Assets/Scripts/PreviewLoader.cs

@@ -3,6 +3,7 @@
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Runtime.InteropServices;
 using Data;
 using GLTF;
 using JetBrains.Annotations;
@@ -33,6 +34,9 @@ public class PreviewLoader : MonoBehaviour
     public bool HasEmoteAudio => _emoteAudio != null;
     public bool HasWearableOverride => _overrideWearableCategory != null && !HasEmoteOverride;
 
+    [DllImport("__Internal")]
+    private static extern void OnLoadComplete();
+
     public async Awaitable LoadPreview(PreviewConfiguration config)
     {
         gameObject.SetActive(false);
@@ -211,6 +215,8 @@ await Task.WhenAll(wearableDefinitions
         }
 
         Debug.Log("Loaded all wearables!");
+
+        OnLoadComplete();
     }
 
     private void SetupFacialFeatures(GameObject bodyGO)