Fix crash when exporting gltf mesh that has no skin.

(cherry picked from commit 209ac95)
godotengine · Nov 23, 2021 · 734b4a4 · 734b4a4
1 parent 3970f28
commit 734b4a4
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/modules/gltf/gltf_document.cpp b/modules/gltf/gltf_document.cpp
@@ -6068,7 +6068,10 @@ void GLTFDocument::_convert_mesh_instances(Ref<GLTFState> state) {
 			int bone_cnt = skeleton->get_bone_count();
 			ERR_FAIL_COND(bone_cnt != gltf_skeleton->joints.size());
 
-			ObjectID gltf_skin_key = skin->get_instance_id();
+			ObjectID gltf_skin_key = 0;
+			if (skin.is_valid()) {
+				gltf_skin_key = skin->get_instance_id();
+			}
 			ObjectID gltf_skel_key = godot_skeleton->get_instance_id();
 			GLTFSkinIndex skin_gltf_i = -1;
 			GLTFNodeIndex root_gltf_i = -1;