initial

2026-07-18 14:31:15 +02:00
commit a04f0dc262
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+#pragma once
+
+/**
+ * Codec specialisation for entt::entity.
+ *
+ * Wire format: uint32_t  (the raw entity storage value, 4 bytes).
+ *
+ * EnTT entities are 32-bit identifiers internally (version bits + index bits).
+ * We transmit the raw value and let the receiver reconstruct via
+ * static_cast<entt::entity>(id).
+ */
+
+#include "Codec.hpp"
+
+#include <entt/entt.hpp>
+
+namespace tw::serial {
+
+template<>
+struct Codec<entt::entity> {
+    static void encode(BinaryWriter& w, const entt::entity& e) noexcept {
+        auto raw = static_cast<uint32_t>(e);
+        w.write(raw);
+    }
+    static entt::entity decode(BinaryReader& r) noexcept {
+        return static_cast<entt::entity>(r.read<uint32_t>());
+    }
+};
+
+} // namespace tw::serial