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108 lines
2.8 KiB
C
108 lines
2.8 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_internal.h"
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#include "../SDL_sysjoystick.h"
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#include "../../core/windows/SDL_windows.h"
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#include "../../core/windows/SDL_directx.h"
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#define MAX_INPUTS 256 // each joystick can have up to 256 inputs
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// Set up for C function definitions, even when using C++
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct JoyStick_DeviceData
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{
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SDL_GUID guid;
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char *joystickname;
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Uint8 send_add_event;
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SDL_JoystickID nInstanceID;
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#ifdef SDL_JOYSTICK_XINPUT
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bool bXInputDevice;
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BYTE SubType;
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Uint8 XInputUserId;
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#endif
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DIDEVICEINSTANCE dxdevice;
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char path[MAX_PATH];
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int steam_virtual_gamepad_slot;
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struct JoyStick_DeviceData *pNext;
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} JoyStick_DeviceData;
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extern JoyStick_DeviceData *SYS_Joystick; // array to hold joystick ID values
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typedef enum Type
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{
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BUTTON,
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AXIS,
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HAT
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} Type;
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typedef struct input_t
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{
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// DirectInput offset for this input type:
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DWORD ofs;
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// Button, axis or hat:
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Type type;
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// SDL input offset:
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Uint8 num;
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} input_t;
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// The private structure used to keep track of a joystick
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struct joystick_hwdata
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{
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SDL_GUID guid;
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#ifdef SDL_JOYSTICK_DINPUT
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LPDIRECTINPUTDEVICE8 InputDevice;
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DIDEVCAPS Capabilities;
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bool buffered;
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bool first_update;
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input_t Inputs[MAX_INPUTS];
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int NumInputs;
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int NumSliders;
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bool ff_initialized;
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DIEFFECT *ffeffect;
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LPDIRECTINPUTEFFECT ffeffect_ref;
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#endif
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#ifdef SDL_JOYSTICK_XINPUT
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bool bXInputDevice; // true if this device supports using the xinput API rather than DirectInput
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bool bXInputHaptic; // Supports force feedback via XInput.
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Uint8 userid; // XInput userid index for this joystick
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DWORD dwPacketNumber;
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#endif
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};
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#ifdef SDL_JOYSTICK_DINPUT
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extern const DIDATAFORMAT SDL_c_dfDIJoystick2;
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#endif
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extern void WINDOWS_AddJoystickDevice(JoyStick_DeviceData *device);
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// Ends C function definitions when using C++
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#ifdef __cplusplus
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}
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#endif
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