Leap Motion input device support

Engine/source/platform/input/leapMotion/leapMotionDevice.h

@@ -0,0 +1,138 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#ifndef _LEAPMOTIONDEVICE_H_
+#define _LEAPMOTIONDEVICE_H_
+
+#include "platform/input/IInputDevice.h"
+#include "platform/input/event.h"
+#include "platformWin32/platformWin32.h"
+#include "core/util/tSingleton.h"
+#include "math/mQuat.h"
+#include "platform/input/leapMotion/leapMotionConstants.h"
+#include "Leap.h"
+
+#define DEFAULT_MOTION_UNIT 0
+
+struct LeapMotionDeviceData;
+
+class LeapMotionDevice : public IInputDevice
+{
+protected:
+   class MotionListener : public Leap::Listener
+   {
+   public:
+      MotionListener() {}
+      virtual ~MotionListener() {}
+
+      virtual void onConnect (const Leap::Controller &controller);
+      virtual void onDisconnect (const Leap::Controller &controller);
+   };
+
+   /// The connection to the Leap Motion
+   Leap::Controller* mController;
+
+   /// Our Leap Motion listener class
+   MotionListener* mListener;
+
+   /// Used with the LM listener object
+   void* mActiveMutex;
+
+   /// Is the Leap Motion active
+   bool mActive;
+
+   /// Buffer to store data Leap Motion data in a Torque friendly way
+   LeapMotionDeviceData*  mDataBuffer[2];
+
+   /// Points to the buffers that holds the previously collected data
+   LeapMotionDeviceData*  mPrevData;
+
+protected:
+   /// Build out the codes used for controller actions with the
+   /// Input Event Manager
+   void buildCodeTable();
+
+public:
+   static bool smEnableDevice;
+
+   // Indicates that events for each hand and pointable will be created
+   static bool smGenerateIndividualEvents;
+
+   // Indicates that we track hand IDs and will ensure that the same hand
+   // will remain at the same index between frames.
+   static bool smKeepHandIndexPersistent;
+
+   // Indicates that we track pointable IDs and will ensure that the same
+   // pointable will remain at the same index between frames.
+   static bool smKeepPointableIndexPersistent;
+
+   // Broadcast single hand rotation as axis
+   static bool smGenerateSingleHandRotationAsAxisEvents;
+
+   // The maximum hand angle when used as an axis event
+   // as measured from a vector pointing straight up (in degrees)
+   static F32 smMaximumHandAxisAngle;
+
+   // Indicates that a whole frame event should be generated and frames
+   // should be buffered.
+   static bool smGenerateWholeFrameEvents;
+
+   // Frame action codes
+   static U32 LM_FRAMEVALIDDATA;    // SI_BUTTON
+
+   // Hand action codes
+   static U32 LM_HAND[LeapMotionConstants::MaxHands];    // SI_POS
+   static U32 LM_HANDROT[LeapMotionConstants::MaxHands]; // SI_ROT
+
+   static U32 LM_HANDAXISX;   // SI_AXIS
+   static U32 LM_HANDAXISY;
+
+   // Pointables action codes
+   static U32 LM_HANDPOINTABLE[LeapMotionConstants::MaxHands][LeapMotionConstants::MaxPointablesPerHand];    // SI_POS
+   static U32 LM_HANDPOINTABLEROT[LeapMotionConstants::MaxHands][LeapMotionConstants::MaxPointablesPerHand]; // SI_ROT
+
+   // Whole frame
+   static U32 LM_FRAME;    // SI_INT
+
+public:
+   LeapMotionDevice();
+   ~LeapMotionDevice();
+
+   static void staticInit();
+
+   bool enable();
+   void disable();
+
+   bool getActive();
+   void setActive(bool state);
+
+   bool process();
+
+public:
+   // For ManagedSingleton.
+   static const char* getSingletonName() { return "LeapMotionDevice"; }   
+};
+
+/// Returns the LeapMotionDevice singleton.
+#define LEAPMOTIONDEV ManagedSingleton<LeapMotionDevice>::instance()
+
+#endif   // _LEAPMOTIONDEVICE_H_