From 251dd15ff91cf7638a93d8386f4eee3af3b4fcdd Mon Sep 17 00:00:00 2001
From: Lior Halphon <LIJI32@gmail.com>
Date: Sun, 11 Apr 2021 23:36:42 +0300
Subject: [PATCH] Fixed a bug where the screen would not redraw when certain
 controllers are rumbling in specific strengths in the Cocoa port

---
 JoyKit/JOYController.m | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/JoyKit/JOYController.m b/JoyKit/JOYController.m
index ca2d1b1..8ec1279 100644
--- a/JoyKit/JOYController.m
+++ b/JoyKit/JOYController.m
@@ -166,6 +166,7 @@ typedef union {
     double _sentRumbleAmp;
     unsigned _rumbleCounter;
     bool _deviceCantSendReports;
+    dispatch_queue_t _rumbleQueue;
 }
 
 - (instancetype)initWithDevice:(IOHIDDeviceRef) device hacks:(NSDictionary *)hacks
@@ -490,9 +491,11 @@ typedef union {
                 {.timeEnabled =  0,    .dutyLength = 0,    .enabled = 0,    .dutyOff = 0, .dutyOn = 0},
             }
         };
-
     }
     
+    _rumbleQueue = dispatch_queue_create([NSString stringWithFormat:@"Rumble Queue for %@", self.deviceName].UTF8String,
+                                         NULL);
+    
     return self;
 }
 
@@ -564,7 +567,9 @@ typedef union {
             }
         }
     }
-    [self updateRumble];
+    dispatch_async(_rumbleQueue, ^{
+        [self updateRumble];
+    });
 }
 
 - (void)elementChanged:(IOHIDElementRef)element
@@ -699,7 +704,9 @@ typedef union {
     _physicallyConnected = false;
     [exposedControllers removeObject:self];
     [self setRumbleAmplitude:0];
-    [self updateRumble];
+    dispatch_sync(_rumbleQueue, ^{
+        [self updateRumble];
+    });
     _device = nil;
 }