Fix: Avoid OBJ importer assert seting normals on mesh with no faces

2022-08-03 16:59:03 -05:00 · 2022-08-03 16:59:03 -05:00 · 1cc11e32e4
parent 6f62a388df
commit 1cc11e32e4
1 changed files with 4 additions and 0 deletions
--- a/source/blender/io/wavefront_obj/importer/obj_import_mesh.cc
+++ b/source/blender/io/wavefront_obj/importer/obj_import_mesh.cc
@ -323,6 +323,10 @@ void MeshFromGeometry::create_normals(Mesh *mesh)
  if (global_vertices_.vertex_normals.is_empty()) {
    return;
  }
+  /* Custom normals can only be stored on face corners. */
+  if (mesh_geometry_.total_loops_ == 0) {
+    return;
+  }

  float(*loop_normals)[3] = static_cast<float(*)[3]>(
      MEM_malloc_arrayN(mesh_geometry_.total_loops_, sizeof(float[3]), __func__));