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Merge pull request #114895 from Nintorch/is-joy-vibrating

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Add support for joypad vibration checking
This commit is contained in:
Thaddeus Crews 2026-02-19 20:29:13 -06:00
commit 5e10528397
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GPG key ID: 8C6E5FEB5FC03CCC
5 changed files with 93 additions and 8 deletions
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24
drivers/sdl/joypad_sdl.cpp
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@ -95,6 +95,17 @@ void JoypadSDL::process_events() {
SDL_Joystick *sdl_joy = SDL_GetJoystickFromID(joypads[i].sdl_instance_idx);
Vector2 strength = Input::get_singleton()->get_joy_vibration_strength(i);
// Invalid values for strength are filtered by Input::start_joy_vibration().
float duration = Input::get_singleton()->get_joy_vibration_duration(i);
Uint32 duration_ms = 0;
if (duration < 0.0f) {
continue; // Invalid duration.
} else if (duration == 0.0f) {
duration_ms = 0xFFFF; // SDL_MAX_RUMBLE_DURATION_MS
} else {
duration_ms = duration * 1000;
}
/*
If the vibration was requested to start, SDL_RumbleJoystick will start it.
@ -103,13 +114,10 @@ void JoypadSDL::process_events() {
Here strength.y goes first and then strength.x, because Input.get_joy_vibration_strength().x
is vibration's weak magnitude (high frequency rumble), and .y is strong magnitude (low frequency rumble),
SDL_RumbleJoystick takes low frequency rumble first and then high frequency rumble.
Rumble strength goes from 0 to 0xFFFF.
*/
SDL_RumbleJoystick(
sdl_joy,
// Rumble strength goes from 0 to 0xFFFF
strength.y * UINT16_MAX,
strength.x * UINT16_MAX,
Input::get_singleton()->get_joy_vibration_duration(i) * 1000);
SDL_RumbleJoystick(sdl_joy, strength.y * UINT16_MAX, strength.x * UINT16_MAX, duration_ms);
}
}
}
@ -335,6 +343,10 @@ void JoypadSDL::Joypad::set_joy_motion_sensors_enabled(bool p_enable) {
SDL_SetGamepadSensorEnabled(gamepad, SDL_SENSOR_GYRO, p_enable);
}
bool JoypadSDL::Joypad::has_joy_vibration() const {
return supports_force_feedback;
}
SDL_Joystick *JoypadSDL::Joypad::get_sdl_joystick() const {
return SDL_GetJoystickFromID(sdl_instance_idx);
}

2
drivers/sdl/joypad_sdl.h
View file

@ -62,6 +62,8 @@ private:
virtual bool has_joy_motion_sensors() const override;
virtual void set_joy_motion_sensors_enabled(bool p_enable) override;
virtual bool has_joy_vibration() const override;
SDL_Joystick *get_sdl_joystick() const;
SDL_Gamepad *get_sdl_gamepad() const;
};