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Windows: Support gamepad vibration using XInput.

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This commit is contained in:
Andreas Haas 2016-06-15 14:40:57 +02:00
parent f38f5c9e16
commit 0e8b860048
3 changed files with 65 additions and 6 deletions
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2
main/input_default.cpp
View file

@ -327,7 +327,7 @@ void InputDefault::start_joy_vibration(int p_device, float p_weak_magnitude, flo
vibration.weak_magnitude = p_weak_magnitude;
vibration.strong_magnitude = p_strong_magnitude;
vibration.duration = p_duration;
vibration.timestamp = OS::get_singleton()->get_unix_time();
vibration.timestamp = OS::get_singleton()->get_ticks_usec();
joy_vibration[p_device] = vibration;
}

53
platform/windows/joystick.cpp
View file

@ -37,6 +37,7 @@
#endif
DWORD WINAPI _xinput_get_state(DWORD dwUserIndex, XINPUT_STATE* pState) { return ERROR_DEVICE_NOT_CONNECTED; }
DWORD WINAPI _xinput_set_state(DWORD dwUserIndex, XINPUT_VIBRATION* pVibration) { return ERROR_DEVICE_NOT_CONNECTED; }
joystick_windows::joystick_windows() {
@ -50,6 +51,7 @@ joystick_windows::joystick_windows(InputDefault* _input, HWND* hwnd) {
dinput = NULL;
xinput_dll = NULL;
xinput_get_state = NULL;
xinput_set_state = NULL;
load_xinput();
@ -300,6 +302,9 @@ void joystick_windows::probe_joysticks() {
x_joysticks[i].attached = true;
x_joysticks[i].id = id;
x_joysticks[i].ff_timestamp = 0;
x_joysticks[i].ff_end_timestamp = 0;
x_joysticks[i].vibrating = false;
attached_joysticks[id] = true;
input->joy_connection_changed(id, true, "XInput Gamepad","__XINPUT_DEVICE__");
}
@ -358,6 +363,20 @@ unsigned int joystick_windows::process_joysticks(unsigned int p_last_id) {
p_last_id = input->joy_axis(p_last_id, joy.id, JOY_AXIS_5, axis_correct(joy.state.Gamepad.bRightTrigger, true, true));
joy.last_packet = joy.state.dwPacketNumber;
}
uint64_t timestamp = input->get_joy_vibration_timestamp(joy.id);
if (timestamp > joy.ff_timestamp) {
Vector2 strength = input->get_joy_vibration_strength(joy.id);
float duration = input->get_joy_vibration_duration(joy.id);
if (strength.x == 0 && strength.y == 0) {
joystick_vibration_stop_xinput(i, timestamp);
} else {
joystick_vibration_start_xinput(i, strength.x, strength.y, duration, timestamp);
}
} else if (joy.vibrating && joy.ff_end_timestamp != 0) {
uint64_t current_time = OS::get_singleton()->get_ticks_usec();
if (current_time >= joy.ff_end_timestamp)
joystick_vibration_stop_xinput(i, current_time);
}
}
for (int i = 0; i < JOYSTICKS_MAX; i++) {
@ -500,9 +519,38 @@ InputDefault::JoyAxis joystick_windows::axis_correct(int p_val, bool p_xinput, b
return jx;
}
void joystick_windows::joystick_vibration_start_xinput(int p_device, float p_weak_magnitude, float p_strong_magnitude, float p_duration, uint64_t p_timestamp) {
xinput_gamepad &joy = x_joysticks[p_device];
if (joy.attached) {
XINPUT_VIBRATION effect;
effect.wLeftMotorSpeed = (65535 * p_strong_magnitude);
effect.wRightMotorSpeed = (65535 * p_weak_magnitude);
if (xinput_set_state(p_device, &effect) == ERROR_SUCCESS) {
joy.ff_timestamp = p_timestamp;
joy.ff_end_timestamp = p_duration == 0 ? 0 : p_timestamp + (uint64_t)(p_duration * 1000000.0);
joy.vibrating = true;
}
}
}
void joystick_windows::joystick_vibration_stop_xinput(int p_device, uint64_t p_timestamp) {
xinput_gamepad &joy = x_joysticks[p_device];
if (joy.attached) {
XINPUT_VIBRATION effect;
effect.wLeftMotorSpeed = 0;
effect.wRightMotorSpeed = 0;
if (xinput_set_state(p_device, &effect) == ERROR_SUCCESS) {
joy.ff_timestamp = p_timestamp;
joy.vibrating = false;
}
}
}
void joystick_windows::load_xinput() {
xinput_get_state = &_xinput_get_state;
xinput_set_state = &_xinput_set_state;
xinput_dll = LoadLibrary( "XInput1_4.dll" );
if (!xinput_dll) {
xinput_dll = LoadLibrary("XInput1_3.dll");
@ -519,12 +567,13 @@ void joystick_windows::load_xinput() {
}
XInputGetState_t func = (XInputGetState_t)GetProcAddress((HMODULE)xinput_dll, "XInputGetState");
if (!func) {
XInputSetState_t set_func = (XInputSetState_t)GetProcAddress((HMODULE)xinput_dll, "XInputSetState");
if (!func || !set_func) {
unload_xinput();
return;
}
xinput_get_state = func;
return;
xinput_set_state = set_func;
}
void joystick_windows::unload_xinput() {

10
platform/windows/joystick.h
View file

@ -96,16 +96,23 @@ private:
int id;
bool attached;
bool vibrating;
DWORD last_packet;
XINPUT_STATE state;
uint64_t ff_timestamp;
uint64_t ff_end_timestamp;
xinput_gamepad() {
attached = false;
vibrating = false;
ff_timestamp = 0;
ff_end_timestamp = 0;
last_packet = 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;
@ -132,9 +139,12 @@ private:
bool have_device(const GUID &p_guid);
bool is_xinput_device(const GUID* p_guid);
bool setup_dinput_joystick(const DIDEVICEINSTANCE* instance);
void joystick_vibration_start_xinput(int p_device, float p_weak_magnitude, float p_strong_magnitude, float p_duration, uint64_t p_timestamp);
void joystick_vibration_stop_xinput(int p_device, uint64_t p_timestamp);
InputDefault::JoyAxis 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