From ca90b2e6f15e32a5e13374cff3a941a21391a2b4 Mon Sep 17 00:00:00 2001
From: Paul Chote <paul@chote.net>
Date: Sat, 17 Aug 2013 10:03:57 +1200
Subject: [PATCH] Add FieldLoader support for Nullable<T>.

---
 OpenRA.FileFormats/FieldLoader.cs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/OpenRA.FileFormats/FieldLoader.cs b/OpenRA.FileFormats/FieldLoader.cs
index d48ac4ed94..6698a60d89 100755
--- a/OpenRA.FileFormats/FieldLoader.cs
+++ b/OpenRA.FileFormats/FieldLoader.cs
@@ -276,6 +276,13 @@ namespace OpenRA.FileFormats
 				return fieldType.GetConstructor(argTypes).Invoke(argValues);
 			}
 
+			else if (fieldType.IsGenericType && fieldType.GetGenericTypeDefinition() == typeof(Nullable<>))
+			{
+				var innerType = fieldType.GetGenericArguments().First();
+				var innerValue = GetValue("Nullable<T>", innerType, x);
+				return fieldType.GetConstructor(new []{ innerType }).Invoke(new []{ innerValue });
+			}
+
 			UnknownFieldAction("[Type] {0}".F(x), fieldType);
 			return null;
 		}