@ -460,7 +460,7 @@ static bool is_valid_building_site(building_site &site, bool orthogonal_check, b
return false;
if (material == tiletype_material::CONSTRUCTION)
{
// Check this is not a 'constructed floor over X':
// those have something else than open space as *basic* tile types: stonefloor, smoothstonefloor, ...
MapExtras::MapCache mc;