From c3b289ee9ba0cffb28288b7eb7a4dd4746c57ddb Mon Sep 17 00:00:00 2001
From: Stefanos A <stapostol@gmail.com>
Date: Thu, 16 Jan 2014 01:20:32 +0100
Subject: [PATCH] [Win] Implemented XInput vibration support

---
 Source/OpenTK/Platform/Windows/XInputJoystick.cs | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/Source/OpenTK/Platform/Windows/XInputJoystick.cs b/Source/OpenTK/Platform/Windows/XInputJoystick.cs
index 3155964..b3518ef 100644
--- a/Source/OpenTK/Platform/Windows/XInputJoystick.cs
+++ b/Source/OpenTK/Platform/Windows/XInputJoystick.cs
@@ -116,7 +116,14 @@ namespace OpenTK.Platform.Windows
 
         public bool SetVibration(int index, float left, float right)
         {
-            return false;
+            left = MathHelper.Clamp(left, 0.0f, 1.0f);
+            right = MathHelper.Clamp(right, 0.0f, 1.0f);
+
+            XInputVibration vibration = new XInputVibration(
+                (ushort)(left * UInt16.MaxValue),
+                (ushort)(right * UInt16.MaxValue));
+
+            return xinput.SetState((XInputUserIndex)index, ref vibration) == XInputErrorCode.Success;
         }
 
         #endregion
@@ -285,8 +292,14 @@ namespace OpenTK.Platform.Windows
 
         struct XInputVibration
         {
-            public short LeftMotorSpeed;
-            public short RightMotorSpeed;
+            public ushort LeftMotorSpeed;
+            public ushort RightMotorSpeed;
+
+            public XInputVibration(ushort left, ushort right)
+            {
+                LeftMotorSpeed = left;
+                RightMotorSpeed = right;
+            }
         }
 
         struct XInputDeviceCapabilities
-- 
2.7.4