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/************************************************************************************
Filename : OSX_Gamepad.h
Content : OSX implementation of Gamepad functionality.
Created : May 6, 2013
Authors : Lee Cooper
Copyright : Copyright 2013 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 Platform { namespace OSX {
class GamepadManager : public Platform::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
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