initial commit, 4.5 stable

thirdparty/sdl/joystick/windows/SDL_windowsjoystick_c.h

@@ -0,0 +1,103 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 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"
+
+#include "../SDL_sysjoystick.h"
+#include "../../core/windows/SDL_windows.h"
+#include "../../core/windows/SDL_directx.h"
+
+#define MAX_INPUTS 256 // each joystick can have up to 256 inputs
+
+// Set up for C function definitions, even when using C++
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct JoyStick_DeviceData
+{
+    SDL_GUID guid;
+    char *joystickname;
+    Uint8 send_add_event;
+    SDL_JoystickID nInstanceID;
+    bool bXInputDevice;
+    BYTE SubType;
+    Uint8 XInputUserId;
+    DIDEVICEINSTANCE dxdevice;
+    char path[MAX_PATH];
+    int steam_virtual_gamepad_slot;
+    struct JoyStick_DeviceData *pNext;
+} JoyStick_DeviceData;
+
+extern JoyStick_DeviceData *SYS_Joystick; // array to hold joystick ID values
+
+typedef enum Type
+{
+    BUTTON,
+    AXIS,
+    HAT
+} Type;
+
+typedef struct input_t
+{
+    // DirectInput offset for this input type:
+    DWORD ofs;
+
+    // Button, axis or hat:
+    Type type;
+
+    // SDL input offset:
+    Uint8 num;
+} input_t;
+
+// The private structure used to keep track of a joystick
+struct joystick_hwdata
+{
+    SDL_GUID guid;
+
+#ifdef SDL_JOYSTICK_DINPUT
+    LPDIRECTINPUTDEVICE8 InputDevice;
+    DIDEVCAPS Capabilities;
+    bool buffered;
+    bool first_update;
+    input_t Inputs[MAX_INPUTS];
+    int NumInputs;
+    int NumSliders;
+    bool ff_initialized;
+    DIEFFECT *ffeffect;
+    LPDIRECTINPUTEFFECT ffeffect_ref;
+#endif
+
+    bool bXInputDevice; // true if this device supports using the xinput API rather than DirectInput
+    bool bXInputHaptic; // Supports force feedback via XInput.
+    Uint8 userid;           // XInput userid index for this joystick
+    DWORD dwPacketNumber;
+};
+
+#ifdef SDL_JOYSTICK_DINPUT
+extern const DIDATAFORMAT SDL_c_dfDIJoystick2;
+#endif
+
+extern void WINDOWS_AddJoystickDevice(JoyStick_DeviceData *device);
+
+// Ends C function definitions when using C++
+#ifdef __cplusplus
+}
+#endif