editor: clamp bbox_size min value to {1,1}

2 files changed, 3 insertions, 0 deletions

diff --git a/editor/inspect-types.cpp b/editor/inspect-types.cpp
index c42d4eb4..a06f8fdb 100644
--- a/editor/inspect-types.cpp
+++ b/editor/inspect-types.cpp
@@ -82,6 +82,7 @@ struct entity_accessors<object, inspect_intent_t> {
                 [](const object& x) { return x.bbox_size; },
                 [](object& x, Vector2ub value) { x.set_bbox(x.offset, x.bbox_offset, value, x.pass); },
                 [](const object& x) { return x.pass == pass_mode::pass ? st::readonly : st::enabled; },
+                constantly(constraints::range<Vector2ub>{{1,1}, {255, 255}}),
             },
             E::type<bool>::field{"ephemeral"_s,
                 [](const object& x) { return x.ephemeral; },
diff --git a/src/object.cpp b/src/object.cpp
index 4339e055..b652a439 100644
--- a/src/object.cpp
+++ b/src/object.cpp
@@ -348,6 +348,8 @@ object::operator object_proto() const
 
 void object::set_bbox(Vector2b offset_, Vector2b bb_offset_, Vector2ub bb_size_, pass_mode pass)
 {
+    fm_assert(Vector2ui(bb_size_).product() != 0);
+
     if (offset != offset_)
         if (!is_dynamic())
             c->mark_scenery_modified();