From 58a6c01c3b6462b258e2bbf8504a460c0d5c288e Mon Sep 17 00:00:00 2001
From: Chris Forbes <chrisf@ijw.co.nz>
Date: Sat, 26 Nov 2011 16:17:23 +1300
Subject: [PATCH] add framelimiter as per Joseph_Vissarion's patch

---
 OpenRA.Game/Game.cs               | 12 ++++++++++++
 OpenRA.Game/GameRules/Settings.cs |  2 ++
 2 files changed, 14 insertions(+)

diff --git a/OpenRA.Game/Game.cs b/OpenRA.Game/Game.cs
index e96b7ed0f2..584ba8e0a1 100755
--- a/OpenRA.Game/Game.cs
+++ b/OpenRA.Game/Game.cs
@@ -326,8 +326,20 @@ namespace OpenRA
 		internal static void Run()
 		{
 			while (!quit)
+			{
+				var idealFrameTime = 1.0 / Settings.Graphics.MaxFramerate;
+				var sw = new Stopwatch();
+
 				Tick( orderManager, viewport );
 
+				if (Settings.Graphics.CapFramerate)
+				{
+					var waitTime = idealFrameTime - sw.ElapsedTime();
+					if (waitTime > 0)
+						System.Threading.Thread.Sleep( TimeSpan.FromSeconds(waitTime) );
+				}
+			}
+
 			OnQuit();
 		}
 
diff --git a/OpenRA.Game/GameRules/Settings.cs b/OpenRA.Game/GameRules/Settings.cs
index 96bf7c9990..cc16695d1d 100644
--- a/OpenRA.Game/GameRules/Settings.cs
+++ b/OpenRA.Game/GameRules/Settings.cs
@@ -60,6 +60,8 @@ namespace OpenRA.GameRules
 		public int2 FullscreenSize = new int2(0,0);
 		public int2 WindowedSize = new int2(1024, 768);
 		public bool PixelDouble = false;
+		public bool CapFramerate = false;
+		public int MaxFramerate = 60;
 
 		public int BatchSize = 8192;
 		public int NumTempBuffers = 8;