Engine directory for ticket #1

Engine/source/platformWin32/winDirectInput.h

@@ -0,0 +1,132 @@
+//-----------------------------------------------------------------------------
+// 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 _WINDIRECTINPUT_H_
+#define _WINDIRECTINPUT_H_
+
+#ifndef _PLATFORMWIN32_H_
+#include "platformWin32/platformWin32.h"
+#endif
+#ifndef _PLATFORMINPUT_H_
+#include "platform/platformInput.h"
+#endif
+#ifndef _WINDINPUTDEVICE_H_
+#include "platformWin32/winDInputDevice.h"
+#endif
+
+#define DIRECTINPUT_VERSION 0x0800
+#include <dinput.h>
+#include <xinput.h>
+
+// XInput related definitions
+typedef DWORD (WINAPI* FN_XInputGetState)(DWORD dwUserIndex, XINPUT_STATE* pState);
+typedef DWORD (WINAPI* FN_XInputSetState)(DWORD dwUserIndex, XINPUT_VIBRATION* pVibration);
+#define XINPUT_MAX_CONTROLLERS 4  // XInput handles up to 4 controllers 
+#define XINPUT_DEADZONE  ( 0.24f * FLOAT(0x7FFF) )  // Default to 24% of the +/- 32767 range.   This is a reasonable default value but can be altered if needed.
+struct XINPUT_CONTROLLER_STATE
+{
+    XINPUT_STATE    state;
+    bool            bConnected;
+};
+
+//------------------------------------------------------------------------------
+class DInputManager : public InputManager
+{
+   private:
+      typedef SimGroup Parent;
+
+      // XInput state
+      HMODULE                 mXInputLib;
+      FN_XInputGetState       mfnXInputGetState;
+      FN_XInputSetState       mfnXInputSetState;
+      XINPUT_CONTROLLER_STATE mXInputStateOld[XINPUT_MAX_CONTROLLERS];
+      XINPUT_CONTROLLER_STATE mXInputStateNew[XINPUT_MAX_CONTROLLERS];
+      U32                     mLastDisconnectTime[XINPUT_MAX_CONTROLLERS];
+      bool                    mXInputStateReset;
+      bool                    mXInputDeadZoneOn;
+
+      /// Number of milliseconds to skip checking an xinput device if it was
+      /// disconnected on last check.
+      const static U32 csmDisconnectedSkipDelay = 250;
+
+      HMODULE        mDInputLib;
+      LPDIRECTINPUT8 mDInputInterface;
+
+      static bool smJoystickEnabled;
+      static bool smXInputEnabled;
+
+      bool mJoystickActive;
+      bool mXInputActive;
+
+      void  enumerateDevices();
+
+      static BOOL CALLBACK EnumDevicesProc( const DIDEVICEINSTANCE *pddi, LPVOID pvRef );
+
+      bool acquire( U8 deviceType, U8 deviceID );
+      void unacquire( U8 deviceType, U8 deviceID );
+
+      // XInput worker functions
+      void buildXInputEvent( U32 deviceInst, InputEventType objType, InputObjectInstances objInst, InputActionType action, float fValue );
+      void fireXInputConnectEvent( int controllerID, bool condition, bool connected );
+      void fireXInputMoveEvent( int controllerID, bool condition, InputObjectInstances objInst, float fValue );
+      void fireXInputButtonEvent( int controllerID, bool forceFire, int button, InputObjectInstances objInst );
+      void processXInput();
+
+   public:
+      DInputManager();
+
+      bool enable();
+      void disable();
+
+      void onDeleteNotify( SimObject* object );
+      bool onAdd();
+      void onRemove();
+
+      void process();
+
+      // DirectInput functions:
+      static void init();
+
+      static bool enableJoystick();
+      static void disableJoystick();
+      static bool isJoystickEnabled();
+      bool activateJoystick();
+      void deactivateJoystick();
+      bool isJoystickActive()       { return( mJoystickActive ); }
+
+      static bool enableXInput();
+      static void disableXInput();
+      static bool isXInputEnabled();
+      bool activateXInput();
+      void deactivateXInput();
+      bool isXInputActive()         { return( mXInputActive ); }
+      void resetXInput()            { mXInputStateReset = true; }
+      bool isXInputConnected(int controllerID);
+      int getXInputState(int controllerID, int property, bool current);
+
+      // Console interface:
+      const char* getJoystickAxesString( U32 deviceID );
+
+      bool rumble( const char *pDeviceName, float x, float y );
+};
+
+#endif  // _H_WINDIRECTINPUT_