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Fix Dualshock 4 rumble stopping too early 

Dualshock 4 controller only rumbles for 5 seconds maximum. Resend
rumble command every 2 seconds to make long rumble work.
This commit is contained in:
meyraud705 2022-11-08 13:27:56 +01:00 committed by Sam Lantinga
parent 6432f45a1c
commit 3dc88da022
2 changed files with 24 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
src/joystick/SDL_joystick.c
View File

@ -1005,6 +1005,10 @@ SDL_JoystickRumble(SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 h
result = 0;
} else {
result = joystick->driver->Rumble(joystick, low_frequency_rumble, high_frequency_rumble);
joystick->rumble_resend = SDL_GetTicks() + SDL_RUMBLE_RESEND_MS;
if (!joystick->rumble_resend) {
joystick->rumble_resend = 1;
}
}
if (result == 0) {
@ -1018,6 +1022,7 @@ SDL_JoystickRumble(SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 h
}
} else {
joystick->rumble_expiration = 0;
joystick->rumble_resend = 0;
}
}
SDL_UnlockJoysticks();
@ -1713,6 +1718,7 @@ void
SDL_JoystickUpdate(void)
{
int i;
Uint32 now;
SDL_Joystick *joystick;
if (!SDL_WasInit(SDL_INIT_JOYSTICK)) {
@ -1735,13 +1741,24 @@ SDL_JoystickUpdate(void)
}
}
now = SDL_GetTicks();
if (joystick->rumble_expiration &&
SDL_TICKS_PASSED(SDL_GetTicks(), joystick->rumble_expiration)) {
SDL_TICKS_PASSED(now, joystick->rumble_expiration)) {
SDL_JoystickRumble(joystick, 0, 0, 0);
joystick->rumble_resend = 0;
}
if (joystick->rumble_resend &&
SDL_TICKS_PASSED(now, joystick->rumble_resend)) {
joystick->driver->Rumble(joystick, joystick->low_frequency_rumble, joystick->high_frequency_rumble);
joystick->rumble_resend = now + SDL_RUMBLE_RESEND_MS;
if (joystick->rumble_resend == 0) {
joystick->rumble_resend = 1;
}
}
if (joystick->trigger_rumble_expiration &&
SDL_TICKS_PASSED(SDL_GetTicks(), joystick->trigger_rumble_expiration)) {
SDL_TICKS_PASSED(now, joystick->trigger_rumble_expiration)) {
SDL_JoystickRumbleTriggers(joystick, 0, 0, 0);
}
}

5
src/joystick/SDL_sysjoystick.h
View File

@ -103,6 +103,7 @@ struct _SDL_Joystick
Uint16 low_frequency_rumble;
Uint16 high_frequency_rumble;
Uint32 rumble_expiration;
Uint32 rumble_resend;
Uint16 left_trigger_rumble;
Uint16 right_trigger_rumble;
@ -217,6 +218,10 @@ typedef struct _SDL_JoystickDriver
/* Windows and Mac OSX has a limit of MAX_DWORD / 1000, Linux kernel has a limit of 0xFFFF */
#define SDL_MAX_RUMBLE_DURATION_MS 0xFFFF
/* Dualshock4 only rumbles for about 5 seconds max, resend rumble command every 2 seconds
* to make long rumble work. */
#define SDL_RUMBLE_RESEND_MS 2000
#define SDL_LED_MIN_REPEAT_MS 5000
/* The available joystick drivers */