From f6dbf5f1a2123e5182c4e50951fd7adff7df4f19 Mon Sep 17 00:00:00 2001
From: Matt <m.moninger.h@gmail.com>
Date: Tue, 11 Dec 2018 03:32:12 +0100
Subject: [PATCH] Add std::array serialiser support.

---
 src/openrct2/core/DataSerialiserTraits.h | 44 +++++++++++++++++++++++-
 1 file changed, 43 insertions(+), 1 deletion(-)

diff --git a/src/openrct2/core/DataSerialiserTraits.h b/src/openrct2/core/DataSerialiserTraits.h
index 80b2fb6ab6..d996419ef3 100644
--- a/src/openrct2/core/DataSerialiserTraits.h
+++ b/src/openrct2/core/DataSerialiserTraits.h
@@ -24,7 +24,7 @@ template<typename T> struct DataSerializerTraits
 {
     static void encode(IStream* stream, const T& v) = delete;
     static void decode(IStream* stream, T& val) = delete;
-    static void log(IStream* stream, T& val) = delete;
+    static void log(IStream* stream, const T& val) = delete;
 };
 
 template<typename T> struct DataSerializerTraitsIntegral
@@ -246,3 +246,45 @@ template<> struct DataSerializerTraits<MemoryStream>
     {
     }
 };
+
+template<typename _Ty, size_t _Size> struct DataSerializerTraits<std::array<_Ty, _Size>>
+{
+    static void encode(IStream* stream, const std::array<_Ty, _Size>& val)
+    {
+        uint16_t len = (uint16_t)_Size;
+        uint16_t swapped = ByteSwapBE(len);
+        stream->Write(&swapped);
+
+        DataSerializerTraits<_Ty> s;
+        for (auto&& sub : val)
+        {
+            s.encode(stream, sub);
+        }
+    }
+    static void decode(IStream* stream, std::array<_Ty, _Size>& val)
+    {
+        uint16_t len;
+        stream->Read(&len);
+        len = ByteSwapBE(len);
+
+        if (len != _Size)
+            throw std::exception("Invalid size, can't decode");
+
+        DataSerializerTraits<_Ty> s;
+        for (auto&& sub : val)
+        {
+            s.decode(stream, sub);
+        }
+    }
+    static void log(IStream* stream, const std::array<_Ty, _Size>& val)
+    {
+        stream->Write("{");
+        DataSerializerTraits<_Ty> s;
+        for (auto&& sub : val)
+        {
+            s.log(stream, sub);
+            stream->Write("; ", 2);
+        }
+        stream->Write("}");
+    }
+};