Actually, don’t use rumble threads at all, because IOHIDDeviceSetReport seems to queue stuff despite being blocking
This commit is contained in:
Lior Halphon
parent
af5cb72edc
commit
c9b401135f
@ -272,9 +272,7 @@
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- (void)setRumble:(double)amp
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{
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dispatch_async(dispatch_get_main_queue(), ^{
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[lastController setRumbleAmplitude:amp];
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});
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}
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- (void)controller:(JOYController *)controller movedAxis:(JOYAxis *)axis
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@ -39,8 +39,6 @@ static bool axesEmulateButtons = false;
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static bool axes2DEmulateButtons = false;
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static bool hatsEmulateButtons = false;
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static NSLock *globalRumbleThreadLock;
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@interface JOYController ()
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+ (void)controllerAdded:(IOHIDDeviceRef) device;
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+ (void)controllerRemoved:(IOHIDDeviceRef) device;
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@ -95,7 +93,9 @@ static void HIDInput(void *context, IOReturn result, void *sender, IOHIDValueRef
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static void HIDReport(void *context, IOReturn result, void *sender, IOHIDReportType type,
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uint32_t reportID, uint8_t *report, CFIndex reportLength)
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{
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if (reportLength) {
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[(__bridge JOYController *)context gotReport:[[NSData alloc] initWithBytesNoCopy:report length:reportLength freeWhenDone:NO]];
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}
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}
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typedef struct __attribute__((packed)) {
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@ -152,12 +152,9 @@ typedef union {
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bool _isSwitch; // Does this controller use the Switch protocol?
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bool _isDualShock3; // Does this controller use DS3 outputs?
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JOYVendorSpecificOutput _lastVendorSpecificOutput;
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NSLock *_rumbleThreadLock;
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volatile double _rumblePWMRatio;
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volatile double _rumbleAmplitude;
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bool _physicallyConnected;
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bool _logicallyConnected;
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bool _rumbleThreadRunning;
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volatile bool _forceStopRumbleThread;
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NSDictionary *_hacks;
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NSMutableData *_lastReport;
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@ -166,7 +163,8 @@ typedef union {
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JOYElement *_previousAxisElement;
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uint8_t _playerLEDs;
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double _sentRumbleAmp;
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unsigned _rumbleCounter;
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}
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- (instancetype)initWithDevice:(IOHIDDeviceRef) device hacks:(NSDictionary *)hacks
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@ -358,7 +356,6 @@ typedef union {
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_axes2DEmulatedButtons = [NSMutableDictionary dictionary];
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_hatEmulatedButtons = [NSMutableDictionary dictionary];
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_iokitToJOY = [NSMutableDictionary dictionary];
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_rumbleThreadLock = [[NSLock alloc] init];
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//NSMutableArray *axes3d = [NSMutableArray array];
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@ -368,10 +365,6 @@ typedef union {
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_isDualShock3 = [_hacks[JOYIsDualShock3] boolValue];
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NSDictionary *customReports = hacks[JOYCustomReports];
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if (hacks[JOYCustomReports]) {
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_multiElements = [NSMutableDictionary dictionary];
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_fullReportElements = [NSMutableDictionary dictionary];
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_lastReport = [NSMutableData dataWithLength:MAX(
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MAX(
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[(__bridge NSNumber *)IOHIDDeviceGetProperty(device, CFSTR(kIOHIDMaxInputReportSizeKey)) unsignedIntValue],
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@ -381,6 +374,11 @@ typedef union {
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)];
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IOHIDDeviceRegisterInputReportCallback(device, _lastReport.mutableBytes, _lastReport.length, HIDReport, (void *)self);
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if (hacks[JOYCustomReports]) {
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_multiElements = [NSMutableDictionary dictionary];
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_fullReportElements = [NSMutableDictionary dictionary];
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for (NSNumber *_reportID in customReports) {
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signed reportID = [_reportID intValue];
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bool isOutput = false;
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@ -555,7 +553,7 @@ typedef union {
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- (void)gotReport:(NSData *)report
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{
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JOYFullReportElement *element = _fullReportElements[@(*(uint8_t *)report.bytes)];
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if (!element) return;
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if (element) {
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[element updateValue:report];
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NSArray<JOYElement *> *subElements = _multiElements[element];
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@ -563,8 +561,9 @@ typedef union {
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for (JOYElement *subElement in subElements) {
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[self _elementChanged:subElement];
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}
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return;
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}
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}
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[self updateRumble];
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}
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- (void)elementChanged:(IOHIDElementRef)element
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@ -697,7 +696,6 @@ typedef union {
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}
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}
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_physicallyConnected = false;
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[self _forceStopRumbleThread]; // Stop the rumble thread.
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[exposedControllers removeObject:self];
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_device = nil;
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}
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@ -731,43 +729,30 @@ typedef union {
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}
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}
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- (void)rumbleThread
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- (void)updateRumble
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{
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unsigned rumbleCounter = 0;
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if (!self.connected) {
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return;
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}
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if (_rumbleElement.max == 1 && _rumbleElement.min == 0) {
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while (self.connected && !_forceStopRumbleThread) {
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if ([_rumbleElement setValue:rumbleCounter < round(_rumblePWMRatio * PWM_RESOLUTION)]) {
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break;
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}
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rumbleCounter += round(_rumblePWMRatio * PWM_RESOLUTION);
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if (rumbleCounter >= PWM_RESOLUTION) {
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rumbleCounter -= PWM_RESOLUTION;
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double ampToSend = _rumbleCounter < round(_rumbleAmplitude * PWM_RESOLUTION);
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if (ampToSend != _sentRumbleAmp) {
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[_rumbleElement setValue:ampToSend];
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_sentRumbleAmp = ampToSend;
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}
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_rumbleCounter += round(_rumbleAmplitude * PWM_RESOLUTION);
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if (_rumbleCounter >= PWM_RESOLUTION) {
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_rumbleCounter -= PWM_RESOLUTION;
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}
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}
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else {
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while (self.connected && !_forceStopRumbleThread) {
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[_rumbleElement setValue:_rumblePWMRatio * (_rumbleElement.max - _rumbleElement.min) + _rumbleElement.min];
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if (_rumbleAmplitude == _sentRumbleAmp) {
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return;
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}
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}
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[_rumbleThreadLock lock];
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[_rumbleElement setValue:0];
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_rumbleThreadRunning = false;
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_forceStopRumbleThread = false;
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[_rumbleThreadLock unlock];
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}
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- (void)setRumbleAmplitude:(double)amp /* andFrequency: (double)frequency */
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{
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double frequency = 144; // I have no idea what I'm doing.
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if (amp < 0) amp = 0;
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if (amp > 1) amp = 1;
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_sentRumbleAmp = _rumbleAmplitude;
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if (_isSwitch) {
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if (amp == 0) {
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amp = 1;
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frequency = 0;
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}
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double frequency = 144;
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double amp = _rumbleAmplitude;
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uint8_t highAmp = amp * 0x64;
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uint8_t lowAmp = amp * 0x32 + 0x40;
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@ -801,33 +786,21 @@ typedef union {
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}
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else if (_isDualShock3) {
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_lastVendorSpecificOutput.ds3Output.reportID = 1;
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_lastVendorSpecificOutput.ds3Output.rumbleLeftDuration = _lastVendorSpecificOutput.ds3Output.rumbleRightDuration = amp? 0xff : 0;
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_lastVendorSpecificOutput.ds3Output.rumbleLeftStrength = _lastVendorSpecificOutput.ds3Output.rumbleRightStrength = amp * 0xff;
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_lastVendorSpecificOutput.ds3Output.rumbleLeftDuration = _lastVendorSpecificOutput.ds3Output.rumbleRightDuration = _rumbleAmplitude? 0xff : 0;
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_lastVendorSpecificOutput.ds3Output.rumbleLeftStrength = _lastVendorSpecificOutput.ds3Output.rumbleRightStrength = round(_rumbleAmplitude * 0xff);
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[self sendReport:[NSData dataWithBytes:&_lastVendorSpecificOutput.ds3Output length:sizeof(_lastVendorSpecificOutput.ds3Output)]];
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}
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else {
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[_rumbleThreadLock lock];
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_rumblePWMRatio = amp;
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if (!_rumbleThreadRunning) { // PWM thread not running, start it.
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if (amp != 0) {
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/* TODO: The PWM thread does not handle correctly the case of having a multi-port controller where more
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than one controller uses rumble. At least make sure any sibling controllers don't have their
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PWM thread running. */
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[_rumbleElement setValue:_rumbleAmplitude * (_rumbleElement.max - _rumbleElement.min) + _rumbleElement.min];
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}
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}
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}
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[globalRumbleThreadLock lock];
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for (JOYController *controller in [JOYController allControllers]) {
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if (controller != self && controller->_device == _device) {
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[controller _forceStopRumbleThread];
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}
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}
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_rumblePWMRatio = amp;
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_rumbleThreadRunning = true;
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[self performSelectorInBackground:@selector(rumbleThread) withObject:nil];
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[globalRumbleThreadLock unlock];
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}
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}
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[_rumbleThreadLock unlock];
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}
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- (void)setRumbleAmplitude:(double)amp /* andFrequency: (double)frequency */
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{
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if (amp < 0) amp = 0;
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if (amp > 1) amp = 1;
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_rumbleAmplitude = amp;
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}
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- (bool)isConnected
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@ -835,16 +808,6 @@ typedef union {
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return _logicallyConnected && _physicallyConnected;
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}
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- (void)_forceStopRumbleThread
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{
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[_rumbleThreadLock lock];
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if (_rumbleThreadRunning) {
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_forceStopRumbleThread = true;
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}
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[_rumbleThreadLock unlock];
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while (_rumbleThreadRunning);
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}
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+ (void)controllerAdded:(IOHIDDeviceRef) device
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{
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NSString *name = (__bridge NSString *)IOHIDDeviceGetProperty(device, CFSTR(kIOHIDProductKey));
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@ -902,7 +865,6 @@ typedef union {
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controllers = [NSMutableDictionary dictionary];
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exposedControllers = [NSMutableArray array];
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globalRumbleThreadLock = [[NSLock alloc] init];
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NSArray *array = @[
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CreateHIDDeviceMatchDictionary(kHIDPage_GenericDesktop, kHIDUsage_GD_Joystick),
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CreateHIDDeviceMatchDictionary(kHIDPage_GenericDesktop, kHIDUsage_GD_GamePad),
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