Engine directory for ticket #1

Engine/source/platformWin32/winDInputDevice.h

@@ -0,0 +1,162 @@
+//-----------------------------------------------------------------------------
+// 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 _WINDINPUTDEVICE_H_
+#define _WINDINPUTDEVICE_H_
+
+#ifndef _PLATFORMWIN32_H_
+#include "platformWin32/platformWin32.h"
+#endif
+#ifndef _PLATFORMINPUT_H_
+#include "platform/platformInput.h"
+#endif
+#ifndef _EVENT_H_
+#include "platform/event.h"
+#endif
+
+#define DIRECTINPUT_VERSION 0x0800
+#include <dinput.h>
+
+
+class DInputDevice : public InputDevice
+{
+   public:
+      static LPDIRECTINPUT8 smDInputInterface;
+
+   protected:
+      enum Constants
+      {
+         QUEUED_BUFFER_SIZE   = 128,
+
+         SIZEOF_BUTTON = 1,                  // size of an object's data in bytes
+         SIZEOF_KEY    = 1,
+         SIZEOF_AXIS   = 4,
+         SIZEOF_POV    = 4,
+      };
+
+      static U8   smDeviceCount[ NUM_INPUT_DEVICE_TYPES ];
+      static bool smInitialized;
+
+      /// Are we an XInput device?
+      bool mIsXInput;
+
+      //--------------------------------------
+      LPDIRECTINPUTDEVICE8 mDevice;
+      DIDEVICEINSTANCE     mDeviceInstance;
+      DIDEVCAPS            mDeviceCaps;
+      U8                   mDeviceType;
+      U8                   mDeviceID;
+
+      bool                 mAcquired;
+      bool                 mNeedSync;
+
+      LPDIRECTINPUTEFFECT  mForceFeedbackEffect;   ///< Holds our DirectInput FF Effect
+      DWORD                mNumForceFeedbackAxes;  ///< # axes (we only support 0, 1, or 2
+      DWORD                mForceFeedbackAxes[2];  ///< Force Feedback axes offsets into DIOBJECTFORMAT
+
+      //--------------------------------------
+      DIDEVICEOBJECTINSTANCE* mObjInstance;
+      DIOBJECTDATAFORMAT*     mObjFormat;
+      ObjInfo*                mObjInfo;
+      U8*                     mObjBuffer1;    // polled device input buffers
+      U8*                     mObjBuffer2;
+      U8*                     mPrevObjBuffer; // points to buffer 1 or 2
+
+      // Hack for POV
+      S32 mPrevPOVPos;
+
+      U32 mObjBufferSize;                     // size of objBuffer*
+      U32 mObjCount;                          // number of objects on this device
+      U32 mObjEnumCount;                      // used during enumeration ONLY
+      U32 mObjBufferOfs;                      // used during enumeration ONLY
+
+      static BOOL CALLBACK EnumObjectsProc( const DIDEVICEOBJECTINSTANCE *doi, LPVOID pvRef );
+
+      bool enumerateObjects();
+      bool processAsync();
+      bool processImmediate();
+
+      DWORD findObjInstance( DWORD offset );
+      bool  buildEvent( DWORD offset, S32 newData, S32 oldData );
+
+   public:
+      DInputDevice( const DIDEVICEINSTANCE* deviceInst );
+      ~DInputDevice();
+
+      static void init();
+ 
+      bool create();
+      void destroy();
+
+      bool acquire();
+      bool unacquire();
+
+      bool isAcquired();
+      bool isPolled();
+
+      U8 getDeviceType();
+      U8 getDeviceID();
+
+      const char* getName();
+      const char* getProductName();
+
+      // Constant Effect Force Feedback
+      void rumble( float x, float y );
+
+      // Console interface functions:
+      const char* getJoystickAxesString();
+      static bool joystickDetected();
+      //
+
+      bool process();
+};
+
+//------------------------------------------------------------------------------
+inline bool DInputDevice::isAcquired()
+{
+   return mAcquired;
+}
+
+//------------------------------------------------------------------------------
+inline bool DInputDevice::isPolled()
+{
+   //return true;
+   return ( mDeviceCaps.dwFlags & DIDC_POLLEDDEVICE ) != 0;
+}
+
+//------------------------------------------------------------------------------
+inline U8 DInputDevice::getDeviceType()
+{
+   return mDeviceType;
+}
+
+//------------------------------------------------------------------------------
+inline U8 DInputDevice::getDeviceID()
+{
+   return mDeviceID;
+}
+
+//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
+InputObjectInstances DIK_to_Key( U8 dikCode );
+U8  Key_to_DIK( U16 keyCode );
+#endif // _H_WINDINPUTDEVICE_