decomp3: timer, display-h, decomp-h, file-io, pad (#3332)

Author: Hat-Kid

common/type_system/TypeSystem.cpp

@@ -2147,6 +2147,12 @@ std::optional<std::string> find_best_field_in_structure(const TypeSystem& ts,
     } else {
       int rel_offset = offset - field.offset();
       // array case (and array encompasses what we want)
+      ASSERT_MSG(
+          type->get_size_in_memory() > 0,
+          fmt::format(
+              "In type {}, type size was 0 for array field {} of type {}, check that the type "
+              "is fully defined.",
+              st->get_name(), field.name(), field.type().print()));
       int array_idx = rel_offset / type->get_size_in_memory();
       if (!field.is_inline() &&
           field.offset() + field.array_size() * type->get_load_size() > offset) {