move all the Game.Exts junk either down into FileFormats or into WorldUtils

OpenRA.FileFormats/Exts.cs

@@ -105,6 +105,42 @@ namespace OpenRA
 		public static bool Contains(this RectangleF r, int2 p)
 		{
 			return r.Contains(p.ToPointF());
-		}
+		}
+
+        public static bool HasModifier(this Modifiers k, Modifiers mod)
+        {
+            return (k & mod) == mod;
+        }
+
+        public static V GetOrAdd<K, V>(this Dictionary<K, V> d, K k)
+            where V : new()
+        {
+            return d.GetOrAdd(k, _ => new V());
+        }
+
+        public static V GetOrAdd<K, V>(this Dictionary<K, V> d, K k, Func<K, V> createFn)
+        {
+            V ret;
+            if (!d.TryGetValue(k, out ret))
+                d.Add(k, ret = createFn(k));
+            return ret;
+        }
+
+        public static T Random<T>(this IEnumerable<T> ts, Thirdparty.Random r)
+        {
+            var xs = ts.ToArray();
+            return xs[r.Next(xs.Length)];
+        }
+
+        public static float Product(this IEnumerable<float> xs)
+        {
+            return xs.Aggregate(1f, (a, x) => a * x);
+        }
+
+        public static IEnumerable<T> SymmetricDifference<T>(this IEnumerable<T> xs, IEnumerable<T> ys)
+        {
+            // this is probably a shockingly-slow way to do this, but it's concise.
+            return xs.Except(ys).Concat(ys.Except(xs));
+        }
 	}
 }

OpenRA.Game/Exts.cs

@@ -1,70 +0,0 @@
-#region Copyright & License Information
-/*
- * Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
- * This file is part of OpenRA, which is free software. It is made 
- * available to you under the terms of the GNU General Public License
- * as published by the Free Software Foundation. For more information,
- * see COPYING.
- */
-#endregion
-
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using OpenRA.Support;
-
-namespace OpenRA
-{
-	public static class Exts
-	{
-		public static bool HasModifier(this Modifiers k, Modifiers mod)
-		{
-			return (k & mod) == mod;
-		}
-
-		public static IEnumerable<T> SymmetricDifference<T>(this IEnumerable<T> xs, IEnumerable<T> ys)
-		{
-			// this is probably a shockingly-slow way to do this, but it's concise.
-			return xs.Except(ys).Concat(ys.Except(xs));
-		}
-
-		public static float Product(this IEnumerable<float> xs)
-		{
-			return xs.Aggregate(1f, (a, x) => a * x);
-		}
-
-		public static V GetOrAdd<K, V>(this Dictionary<K, V> d, K k)
-			where V : new()
-		{
-			return d.GetOrAdd(k, _ => new V());
-		}
-
-		public static V GetOrAdd<K, V>(this Dictionary<K, V> d, K k, Func<K, V> createFn)
-		{
-			V ret;
-			if (!d.TryGetValue(k, out ret))
-				d.Add(k, ret = createFn(k));
-			return ret;
-		}
-
-		public static T Random<T>(this IEnumerable<T> ts, Thirdparty.Random r)
-		{
-			var xs = ts.ToArray();
-			return xs[r.Next(xs.Length)];
-		}
-
-		public static void DoTimed<T>(this IEnumerable<T> e, Action<T> a, string text, double time)
-		{
-			var sw = new Stopwatch();
-
-			e.Do(x =>
-			{
-				var t = sw.ElapsedTime();
-				a(x);
-				var dt = sw.ElapsedTime() - t;
-				if (dt > time)
-					Log.Write("perf", text, x, dt * 1000, Game.LocalTick);
-			});
-		}
-	}
-}

OpenRA.Game/OpenRA.Game.csproj

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="3.5">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -87,7 +87,6 @@
     <Compile Include="Widgets\WidgetUtils.cs" />
     <Compile Include="Effects\DelayedAction.cs" />
     <Compile Include="Effects\FlashTarget.cs" />
-    <Compile Include="Exts.cs" />
     <Compile Include="GameRules\ActorInfo.cs" />
     <Compile Include="GameRules\VoiceInfo.cs" />
     <Compile Include="Effects\IEffect.cs" />

OpenRA.Game/World.cs

@@ -15,8 +15,7 @@ using OpenRA.Effects;
 using OpenRA.FileFormats;
 using OpenRA.Network;
 using OpenRA.Orders;
-using OpenRA.Traits;
+using OpenRA.Traits;
-using OpenRA.Widgets;
 using XRandom = OpenRA.Thirdparty.Random;
 
 namespace OpenRA

OpenRA.Game/WorldUtils.cs

@@ -137,6 +137,20 @@ namespace OpenRA
 						o.Subject, o.Subject.Owner.Country.Race))
 						return;
 			}
-		}
+		}
+
+        public static void DoTimed<T>(this IEnumerable<T> e, Action<T> a, string text, double time)
+        {
+            var sw = new Stopwatch();
+
+            e.Do(x =>
+            {
+                var t = sw.ElapsedTime();
+                a(x);
+                var dt = sw.ElapsedTime() - t;
+                if (dt > time)
+                    Log.Write("perf", text, x, dt * 1000, Game.LocalTick);
+            });
+        }
 	}
 }

OpenRA.Mods.RA/Widgets/Delegates/ServerBrowserDelegate.cs

@@ -8,8 +8,7 @@
  */
 #endregion
 
-using System.Collections.Generic;
+using System.Collections.Generic;
-using System.Drawing;
 using System.Linq;
 using OpenRA.FileFormats;
 using OpenRA.Server;