serialize: die on tile atlas reuse with wrong pass flag

1 files changed, 7 insertions, 0 deletions

diff --git a/serialize/tile-atlas.cpp b/serialize/tile-atlas.cpp
index 6a51da4c..cb58d1b4 100644
--- a/serialize/tile-atlas.cpp
+++ b/serialize/tile-atlas.cpp
@@ -4,6 +4,7 @@
 #include "serialize/magnum-vector2i.hpp"
 #include "loader/loader.hpp"
 #include "serialize/pass-mode.hpp"
+#include <string_view>
 #include <Corrade/Containers/Optional.h>
 #include <Corrade/Containers/String.h>
 #include <nlohmann/json.hpp>
@@ -50,6 +51,12 @@ void adl_serializer<std::shared_ptr<tile_atlas>>::from_json(const json& j, std::
         if (j.contains("pass-mode"))
             p = {InPlaceInit, j["pass-mode"]};
         val = loader.tile_atlas(x.name, x.size, p);
+        if (auto p2 = val->pass_mode(); p && p2 != p)
+        {
+            int m = p2 ? int(*p2) : -1;
+            const auto name = val->name();
+            fm_throw("atlas {} wrong pass mode {} should be {}"_cf, std::string_view{name.data(), name.size()}, m, std::uint8_t(*p));
+        }
     }
 }