From 740666285391d54a6f7c3d5288a62a3d097e1bf9 Mon Sep 17 00:00:00 2001
From: Nick Fisher <nick.fisher@avinium.com>
Date: Wed, 4 Jun 2025 11:13:39 +0800
Subject: [PATCH] add nullptr check when loading gltf assets

---
 .../src/filament/src/implementation/ffi_filament_app.dart    | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/thermion_dart/lib/src/filament/src/implementation/ffi_filament_app.dart b/thermion_dart/lib/src/filament/src/implementation/ffi_filament_app.dart
index 4f004652..fba01af8 100644
--- a/thermion_dart/lib/src/filament/src/implementation/ffi_filament_app.dart
+++ b/thermion_dart/lib/src/filament/src/implementation/ffi_filament_app.dart
@@ -922,6 +922,11 @@ class FFIFilamentApp extends FilamentApp<Pointer> {
           SceneAsset_createFromFilamentAssetRenderThread(engine,
               gltfAssetLoader, nameComponentManager, filamentAsset, cb));
 
+      if (asset == nullptr) {
+        throw Exception(
+            "Unknown error loading glTF asset. See logs for details.");
+      }
+
       await withVoidCallback((requestId, cb) =>
           GltfResourceLoader_destroyRenderThread(
               engine, gltfResourceLoader, requestId, cb));