/*
  Simple DirectMedia Layer
  Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>

  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages
  arising from the use of this software.

  Permission is granted to anyone to use this software for any purpose,
  including commercial applications, and to alter it and redistribute it
  freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not
     claim that you wrote the original software. If you use this software
     in a product, an acknowledgment in the product documentation would be
     appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and must not be
     misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.
*/
#include "../../SDL_internal.h"

#ifndef SDL_xinput_h_
#define SDL_xinput_h_

#ifdef HAVE_XINPUT_H

#include "SDL_windows.h"
#include <xinput.h>

#ifndef XUSER_MAX_COUNT
#define XUSER_MAX_COUNT 4
#endif
#ifndef XUSER_INDEX_ANY
#define XUSER_INDEX_ANY     0x000000FF
#endif
#ifndef XINPUT_CAPS_FFB_SUPPORTED
#define XINPUT_CAPS_FFB_SUPPORTED 0x0001
#endif

#ifndef XINPUT_DEVSUBTYPE_UNKNOWN
#define XINPUT_DEVSUBTYPE_UNKNOWN 0x00
#endif
#ifndef XINPUT_DEVSUBTYPE_GAMEPAD
#define XINPUT_DEVSUBTYPE_GAMEPAD 0x01
#endif
#ifndef XINPUT_DEVSUBTYPE_WHEEL
#define XINPUT_DEVSUBTYPE_WHEEL 0x02
#endif
#ifndef XINPUT_DEVSUBTYPE_ARCADE_STICK
#define XINPUT_DEVSUBTYPE_ARCADE_STICK 0x03
#endif
#ifndef XINPUT_DEVSUBTYPE_FLIGHT_STICK
#define XINPUT_DEVSUBTYPE_FLIGHT_STICK 0x04
#endif
#ifndef XINPUT_DEVSUBTYPE_DANCE_PAD
#define XINPUT_DEVSUBTYPE_DANCE_PAD 0x05
#endif
#ifndef XINPUT_DEVSUBTYPE_GUITAR
#define XINPUT_DEVSUBTYPE_GUITAR 0x06
#endif
#ifndef XINPUT_DEVSUBTYPE_GUITAR_ALTERNATE
#define XINPUT_DEVSUBTYPE_GUITAR_ALTERNATE 0x07
#endif
#ifndef XINPUT_DEVSUBTYPE_DRUM_KIT
#define XINPUT_DEVSUBTYPE_DRUM_KIT 0x08
#endif
#ifndef XINPUT_DEVSUBTYPE_GUITAR_BASS
#define XINPUT_DEVSUBTYPE_GUITAR_BASS 0x0B
#endif
#ifndef XINPUT_DEVSUBTYPE_ARCADE_PAD
#define XINPUT_DEVSUBTYPE_ARCADE_PAD 0x13
#endif

#ifndef XINPUT_GAMEPAD_GUIDE
#define XINPUT_GAMEPAD_GUIDE 0x0400
#endif

#ifndef BATTERY_DEVTYPE_GAMEPAD
#define BATTERY_DEVTYPE_GAMEPAD         0x00
#endif
#ifndef BATTERY_TYPE_WIRED
#define BATTERY_TYPE_WIRED              0x01
#endif

#ifndef BATTERY_TYPE_UNKNOWN
#define BATTERY_TYPE_UNKNOWN            0xFF
#endif
#ifndef BATTERY_LEVEL_EMPTY
#define BATTERY_LEVEL_EMPTY             0x00
#endif
#ifndef BATTERY_LEVEL_LOW
#define BATTERY_LEVEL_LOW               0x01
#endif
#ifndef BATTERY_LEVEL_MEDIUM
#define BATTERY_LEVEL_MEDIUM            0x02
#endif
#ifndef BATTERY_LEVEL_FULL
#define BATTERY_LEVEL_FULL              0x03
#endif

/* typedef's for XInput structs we use */

#ifndef HAVE_XINPUT_GAMEPAD_EX
typedef struct
{
    WORD wButtons;
    BYTE bLeftTrigger;
    BYTE bRightTrigger;
    SHORT sThumbLX;
    SHORT sThumbLY;
    SHORT sThumbRX;
    SHORT sThumbRY;
    DWORD dwPaddingReserved;
} XINPUT_GAMEPAD_EX;
#endif

#ifndef HAVE_XINPUT_STATE_EX
typedef struct
{
    DWORD dwPacketNumber;
    XINPUT_GAMEPAD_EX Gamepad;
} XINPUT_STATE_EX;
#endif

typedef struct
{
    BYTE BatteryType;
    BYTE BatteryLevel;
} XINPUT_BATTERY_INFORMATION_EX;

/* Forward decl's for XInput API's we load dynamically and use if available */
typedef DWORD (WINAPI *XInputGetState_t)
    (
    DWORD         dwUserIndex,  /* [in] Index of the gamer associated with the device */
    XINPUT_STATE_EX* pState     /* [out] Receives the current state */
    );

typedef DWORD (WINAPI *XInputSetState_t)
    (
    DWORD             dwUserIndex,  /* [in] Index of the gamer associated with the device */
    XINPUT_VIBRATION* pVibration    /* [in, out] The vibration information to send to the controller */
    );

typedef DWORD (WINAPI *XInputGetCapabilities_t)
    (
    DWORD                dwUserIndex,   /* [in] Index of the gamer associated with the device */
    DWORD                dwFlags,       /* [in] Input flags that identify the device type */
    XINPUT_CAPABILITIES* pCapabilities  /* [out] Receives the capabilities */
    );

typedef DWORD (WINAPI *XInputGetBatteryInformation_t)
    (
    DWORD                         dwUserIndex,
    BYTE                          devType,
    XINPUT_BATTERY_INFORMATION_EX *pBatteryInformation
    );

extern int WIN_LoadXInputDLL(void);
extern void WIN_UnloadXInputDLL(void);

extern XInputGetState_t SDL_XInputGetState;
extern XInputSetState_t SDL_XInputSetState;
extern XInputGetCapabilities_t SDL_XInputGetCapabilities;
extern XInputGetBatteryInformation_t SDL_XInputGetBatteryInformation;
extern DWORD SDL_XInputVersion;  /* ((major << 16) & 0xFF00) | (minor & 0xFF) */

#define XINPUTGETSTATE          SDL_XInputGetState
#define XINPUTSETSTATE          SDL_XInputSetState
#define XINPUTGETCAPABILITIES   SDL_XInputGetCapabilities
#define XINPUTGETBATTERYINFORMATION   SDL_XInputGetBatteryInformation

#endif /* HAVE_XINPUT_H */

#endif /* SDL_xinput_h_ */

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