Adding mac 0.4.1 files0.4.1

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diff --git a/Samples/CommonSrc/Platform/OSX_Gamepad.h b/Samples/CommonSrc/Platform/OSX_Gamepad.h
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+/************************************************************************************
+
+Filename    :   OSX_Gamepad.h
+Content     :   OSX implementation of Gamepad functionality.
+Created     :   May 6, 2013
+Authors     :   Lee Cooper
+
+Copyright   :   Copyright 2012 Oculus VR, Inc. All Rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+************************************************************************************/
+
+#ifndef OVR_OSX_Gamepad_h
+#define OVR_OSX_Gamepad_h
+
+#include <IOKit/IOKitLib.h>
+#include <IOKit/hid/IOHIDManager.h>
+
+#include "Gamepad.h"
+
+namespace OVR { namespace OvrPlatform { namespace OSX {
+
+    
+class GamepadManager : public OvrPlatform::GamepadManager
+{
+public:
+    GamepadManager();
+    ~GamepadManager();
+
+    virtual UInt32  GetGamepadCount();
+    virtual bool    GetGamepadState(UInt32 index, GamepadState* pState);
+
+private:
+    static void staticOnDeviceMatched(void* context, IOReturn result, void* sender, IOHIDDeviceRef device);
+    void        onDeviceMatched(IOHIDDeviceRef device);
+    
+    static void staticOnDeviceRemoved(void* context, IOReturn result, void* sender, IOHIDDeviceRef device);
+    void        onDeviceRemoved(IOHIDDeviceRef device);
+
+    static void staticOnDeviceValueChanged(void* context, IOReturn result, void* sender, IOHIDValueRef value);
+    void        onDeviceValueChanged(IOHIDValueRef value);
+    
+    int         getIntDeviceProperty(IOHIDDeviceRef device, CFStringRef key);
+    float       mapAnalogAxis(IOHIDValueRef value, IOHIDElementRef element);
+    void        manipulateBitField(unsigned int& bitfield, unsigned int mask, bool val);
+    bool        setStateIfDifferent(float& state, float newState);
+    
+    IOHIDManagerRef HidManager;
+    GamepadState    State;
+    bool            bStateChanged;
+};
+
+}}}
+
+#endif // OVR_OSX_Gamepad_h