w

1 files changed, 6 insertions, 11 deletions

diff --git a/serialize/tile-atlas.cpp b/serialize/tile-atlas.cpp
index 8ade10d8..88385339 100644
--- a/serialize/tile-atlas.cpp
+++ b/serialize/tile-atlas.cpp
@@ -16,7 +16,7 @@ namespace {
 struct proxy {
     StringView name;
     Vector2ub size;
-    Optional<pass_mode> passability;
+    pass_mode passability;
 };
 
 NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(proxy, name, size)
@@ -31,11 +31,7 @@ void adl_serializer<std::shared_ptr<tile_atlas>>::to_json(json& j, const std::sh
     if (!x)
         j = nullptr;
     else
-    {
-        to_json(j, proxy{x->name(), x->num_tiles2(), NullOpt});
-        if (auto p = x->pass_mode())
-            j["pass-mode"] = *p;
-    }
+        to_json(j, proxy{x->name(), x->num_tiles2(), x->pass_mode()});
 }
 
 void adl_serializer<std::shared_ptr<tile_atlas>>::from_json(const json& j, std::shared_ptr<tile_atlas>& val)
@@ -47,15 +43,14 @@ void adl_serializer<std::shared_ptr<tile_atlas>>::from_json(const json& j, std::
         using nlohmann::from_json;
         proxy x;
         from_json(j, x);
-        Optional<pass_mode> p;
+        pass_mode p = tile_atlas::default_pass_mode;
         if (j.contains("pass-mode"))
-            p = {InPlaceInit, j["pass-mode"]};
+            p = j["pass-mode"];
         val = loader.tile_atlas(x.name, x.size, p);
-        if (auto p2 = val->pass_mode(); p && p2 != p)
+        if (auto p2 = val->pass_mode(); p2 != p)
         {
-            int m = p2 ? int(*p2) : -1;
             const auto name = val->name();
-            fm_throw("atlas {} wrong pass mode {} should be {}"_cf, name, m, uint8_t(*p));
+            fm_throw("atlas {} wrong pass mode {} should be {}"_cf, name, uint8_t(p2), uint8_t(p));
         }
     }
 }