godot/platform/windows/joypad_windows.h
2021-03-23 07:13:23 -04:00

140 lines
4.8 KiB
C++

/*************************************************************************/
/* joypad_windows.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 JOYPAD_WINDOWS_H
#define JOYPAD_WINDOWS_H
#include "os_windows.h"
#define DIRECTINPUT_VERSION 0x0800
#include <dinput.h>
#include <xinput.h> // on unix the file is called "xinput.h", on windows I'm sure it won't mind
#ifndef SAFE_RELEASE // when Windows Media Device M? is not present
#define SAFE_RELEASE(x) \
if (x != nullptr) { \
x->Release(); \
x = nullptr; \
}
#endif
#ifndef XUSER_MAX_COUNT
#define XUSER_MAX_COUNT 4
#endif
class JoypadWindows {
public:
JoypadWindows();
JoypadWindows(HWND *hwnd);
~JoypadWindows();
void probe_joypads();
void process_joypads();
private:
enum {
JOYPADS_MAX = 16,
JOY_AXIS_COUNT = 6,
MIN_JOY_AXIS = 10,
MAX_JOY_AXIS = 32768,
MAX_JOY_BUTTONS = 128,
KEY_EVENT_BUFFER_SIZE = 512,
MAX_TRIGGER = 255
};
struct dinput_gamepad {
int id;
bool attached;
bool confirmed;
bool last_buttons[MAX_JOY_BUTTONS];
DWORD last_pad;
LPDIRECTINPUTDEVICE8 di_joy;
List<LONG> joy_axis;
GUID guid;
dinput_gamepad() {
id = -1;
last_pad = -1;
attached = false;
confirmed = false;
for (int i = 0; i < MAX_JOY_BUTTONS; i++)
last_buttons[i] = false;
}
};
struct xinput_gamepad {
int id = 0;
bool attached = false;
bool vibrating = false;
DWORD last_packet = 0;
XINPUT_STATE state;
uint64_t ff_timestamp = 0;
uint64_t ff_end_timestamp = 0;
};
typedef DWORD(WINAPI *XInputGetState_t)(DWORD dwUserIndex, XINPUT_STATE *pState);
typedef DWORD(WINAPI *XInputSetState_t)(DWORD dwUserIndex, XINPUT_VIBRATION *pVibration);
HWND *hWnd;
HANDLE xinput_dll;
LPDIRECTINPUT8 dinput;
Input *input;
int id_to_change;
int slider_count;
int joypad_count;
bool attached_joypads[JOYPADS_MAX];
dinput_gamepad d_joypads[JOYPADS_MAX];
xinput_gamepad x_joypads[XUSER_MAX_COUNT];
static BOOL CALLBACK enumCallback(const DIDEVICEINSTANCE *p_instance, void *p_context);
static BOOL CALLBACK objectsCallback(const DIDEVICEOBJECTINSTANCE *instance, void *context);
void setup_joypad_object(const DIDEVICEOBJECTINSTANCE *ob, int p_joy_id);
void close_joypad(int id = -1);
void load_xinput();
void unload_xinput();
void post_hat(int p_device, DWORD p_dpad);
bool have_device(const GUID &p_guid);
bool is_xinput_device(const GUID *p_guid);
bool setup_dinput_joypad(const DIDEVICEINSTANCE *instance);
void joypad_vibration_start_xinput(int p_device, float p_weak_magnitude, float p_strong_magnitude, float p_duration, uint64_t p_timestamp);
void joypad_vibration_stop_xinput(int p_device, uint64_t p_timestamp);
Input::JoyAxisValue axis_correct(int p_val, bool p_xinput = false, bool p_trigger = false, bool p_negate = false) const;
XInputGetState_t xinput_get_state;
XInputSetState_t xinput_set_state;
};
#endif // JOYPAD_WINDOWS_H