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Force all controllers to use a rumble thread

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This commit is contained in:
Lior Halphon 2020-05-30 20:15:13 +03:00
parent 59b94b92ca
commit e678b50101
1 changed files with 49 additions and 47 deletions
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96
JoyKit/JOYController.m
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@ -39,7 +39,7 @@ static bool axesEmulateButtons = false;
static bool axes2DEmulateButtons = false;
static bool hatsEmulateButtons = false;
static NSLock *globalPWMThreadLock;
static NSLock *globalRumbleThreadLock;
@interface JOYController ()
+ (void)controllerAdded:(IOHIDDeviceRef) device;
@ -152,12 +152,12 @@ typedef union {
bool _isSwitch; // Does this controller use the Switch protocol?
bool _isDualShock3; // Does this controller use DS3 outputs?
JOYVendorSpecificOutput _lastVendorSpecificOutput;
NSLock *_rumblePWMThreadLock;
NSLock *_rumbleThreadLock;
volatile double _rumblePWMRatio;
bool _physicallyConnected;
bool _logicallyConnected;
bool _rumblePWMThreadRunning;
volatile bool _forceStopPWMThread;
bool _rumbleThreadRunning;
volatile bool _forceStopRumbleThread;
NSDictionary *_hacks;
NSMutableData *_lastReport;
@ -358,7 +358,7 @@ typedef union {
_axes2DEmulatedButtons = [NSMutableDictionary dictionary];
_hatEmulatedButtons = [NSMutableDictionary dictionary];
_iokitToJOY = [NSMutableDictionary dictionary];
_rumblePWMThreadLock = [[NSLock alloc] init];
_rumbleThreadLock = [[NSLock alloc] init];
//NSMutableArray *axes3d = [NSMutableArray array];
@ -697,7 +697,7 @@ typedef union {
}
}
_physicallyConnected = false;
[self _forceStopPWMThread]; // Stop the rumble thread.
[self _forceStopRumbleThread]; // Stop the rumble thread.
[exposedControllers removeObject:self];
_device = nil;
}
@ -731,23 +731,30 @@ typedef union {
}
}
- (void)pwmThread
- (void)rumbleThread
{
unsigned rumbleCounter = 0;
while (self.connected && !_forceStopPWMThread) {
if ([_rumbleElement setValue:rumbleCounter < round(_rumblePWMRatio * PWM_RESOLUTION)]) {
break;
}
rumbleCounter += round(_rumblePWMRatio * PWM_RESOLUTION);
if (rumbleCounter >= PWM_RESOLUTION) {
rumbleCounter -= PWM_RESOLUTION;
if (_rumbleElement.max == 1 && _rumbleElement.min == 0) {
while (self.connected && !_forceStopRumbleThread) {
if ([_rumbleElement setValue:rumbleCounter < round(_rumblePWMRatio * PWM_RESOLUTION)]) {
break;
}
rumbleCounter += round(_rumblePWMRatio * PWM_RESOLUTION);
if (rumbleCounter >= PWM_RESOLUTION) {
rumbleCounter -= PWM_RESOLUTION;
}
}
}
[_rumblePWMThreadLock lock];
else {
while (self.connected && !_forceStopRumbleThread) {
[_rumbleElement setValue:_rumblePWMRatio * (_rumbleElement.max - _rumbleElement.min) + _rumbleElement.min];
}
}
[_rumbleThreadLock lock];
[_rumbleElement setValue:0];
_rumblePWMThreadRunning = false;
_forceStopPWMThread = false;
[_rumblePWMThreadLock unlock];
_rumbleThreadRunning = false;
_forceStopRumbleThread = false;
[_rumbleThreadLock unlock];
}
- (void)setRumbleAmplitude:(double)amp /* andFrequency: (double)frequency */
@ -799,32 +806,27 @@ typedef union {
[self sendReport:[NSData dataWithBytes:&_lastVendorSpecificOutput.ds3Output length:sizeof(_lastVendorSpecificOutput.ds3Output)]];
}
else {
if (_rumbleElement.max == 1 && _rumbleElement.min == 0) {
[_rumblePWMThreadLock lock];
_rumblePWMRatio = amp;
if (!_rumblePWMThreadRunning) { // PWM thread not running, start it.
if (amp != 0) {
/* TODO: The PWM thread does not handle correctly the case of having a multi-port controller where more
than one controller uses rumble. At least make sure any sibling controllers don't have their
PWM thread running. */
[globalPWMThreadLock lock];
for (JOYController *controller in [JOYController allControllers]) {
if (controller != self && controller->_device == _device) {
[controller _forceStopPWMThread];
}
[_rumbleThreadLock lock];
_rumblePWMRatio = amp;
if (!_rumbleThreadRunning) { // PWM thread not running, start it.
if (amp != 0) {
/* TODO: The PWM thread does not handle correctly the case of having a multi-port controller where more
than one controller uses rumble. At least make sure any sibling controllers don't have their
PWM thread running. */
[globalRumbleThreadLock lock];
for (JOYController *controller in [JOYController allControllers]) {
if (controller != self && controller->_device == _device) {
[controller _forceStopRumbleThread];
}
_rumblePWMRatio = amp;
_rumblePWMThreadRunning = true;
[self performSelectorInBackground:@selector(pwmThread) withObject:nil];
[globalPWMThreadLock unlock];
}
_rumblePWMRatio = amp;
_rumbleThreadRunning = true;
[self performSelectorInBackground:@selector(rumbleThread) withObject:nil];
[globalRumbleThreadLock unlock];
}
[_rumblePWMThreadLock unlock];
}
else {
[_rumbleElement setValue:amp * (_rumbleElement.max - _rumbleElement.min) + _rumbleElement.min];
}
[_rumbleThreadLock unlock];
}
}
@ -833,14 +835,14 @@ typedef union {
return _logicallyConnected && _physicallyConnected;
}
- (void)_forceStopPWMThread
- (void)_forceStopRumbleThread
{
[_rumblePWMThreadLock lock];
if (_rumblePWMThreadRunning) {
_forceStopPWMThread = true;
[_rumbleThreadLock lock];
if (_rumbleThreadRunning) {
_forceStopRumbleThread = true;
}
[_rumblePWMThreadLock unlock];
while (_rumblePWMThreadRunning);
[_rumbleThreadLock unlock];
while (_rumbleThreadRunning);
}
+ (void)controllerAdded:(IOHIDDeviceRef) device
@ -900,7 +902,7 @@ typedef union {
controllers = [NSMutableDictionary dictionary];
exposedControllers = [NSMutableArray array];
globalPWMThreadLock = [[NSLock alloc] init];
globalRumbleThreadLock = [[NSLock alloc] init];
NSArray *array = @[
CreateHIDDeviceMatchDictionary(kHIDPage_GenericDesktop, kHIDUsage_GD_Joystick),
CreateHIDDeviceMatchDictionary(kHIDPage_GenericDesktop, kHIDUsage_GD_GamePad),