From 9ca3f3d2b41ecfe33d84d6328aa02655386fbf8c Mon Sep 17 00:00:00 2001
From: Nick Fisher <nick.fisher@avinium.com>
Date: Thu, 22 Dec 2022 19:58:53 +0800
Subject: [PATCH] add error check for failed to load

---
 lib/filament_controller.dart | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/filament_controller.dart b/lib/filament_controller.dart
index 87edc394..12d772ac 100644
--- a/lib/filament_controller.dart
+++ b/lib/filament_controller.dart
@@ -10,6 +10,7 @@ import 'package:flutter/services.dart';
 // should make this consistent
 typedef FilamentAsset = int;
 typedef FilamentLight = int;
+const FilamentAsset FILAMENT_ASSET_ERROR = 0;
 
 abstract class FilamentController {
   Size get size;
@@ -230,6 +231,9 @@ class PolyvoxFilamentController extends FilamentController {
   Future<FilamentAsset> loadGlb(String path) async {
     print("Loading GLB at $path ");
     var asset = await _channel.invokeMethod("loadGlb", path);
+    if (asset == FILAMENT_ASSET_ERROR) {
+      throw Exception("An error occurred loading the asset at $path");
+    }
     return asset as FilamentAsset;
   }