coord reset for extremely high pointer velocity, core implementation

Limelight/Input/NativeTouchHandler.h

@@ -14,10 +14,9 @@
 NS_ASSUME_NONNULL_BEGIN
 
 @interface NativeTouchHandler : UIResponder
-@property (nonatomic, assign) bool BoundaryReached;
-@property (nonatomic, assign) bool flipFlag;
 - (id)initWithView:(StreamView*)view andSettings:(TemporarySettings*)settings;
 
+
 @end
 
 NS_ASSUME_NONNULL_END

Limelight/Input/NativeTouchHandler.m

@@ -44,8 +44,7 @@
 
     [NativeTouchPointer setPointerVelocityDivider:settings.pointerVelocityModeDivider.floatValue];
     [NativeTouchPointer setPointerVelocityFactor:settings.touchPointerVelocityFactor.floatValue];
-    [NativeTouchPointer initContextWithView:self->streamView andNativeTouchHandler:self];
-    _flipFlag = true;
+    [NativeTouchPointer initContextWithView:self->streamView];
     return self;
 }
 
@@ -55,7 +54,7 @@
     uintptr_t memAddrValue = (uintptr_t)touch;
     unassignedPointerIds = [pointerIdPool mutableCopy]; //reset unassignedPointerIds
     [unassignedPointerIds minusSet:activePointerIds];
-    uint8_t pointerId = [[unassignedPointerIds anyObject] intValue];
+    uint8_t pointerId = [[unassignedPointerIds anyObject] unsignedIntValue];
     [pointerIdDict setObject:@(pointerId) forKey:@(memAddrValue)];
     [activePointerIds addObject:@(pointerId)];
 }
@@ -72,7 +71,7 @@
 
 // 从字典中获取UITouch事件对应的pointerId
 // called in method of sendTouchEvent
-- (uint32_t) retrievePointerIdFromDict:(UITouch*)touch{
+- (uint8_t) retrievePointerIdFromDict:(UITouch*)touch{
     return [[pointerIdDict objectForKey:@((uintptr_t)touch)] unsignedIntValue];
 }
 
@@ -87,13 +86,11 @@
     CGFloat normalizedY = location.y / videoSize.height;
     uint8_t pointerId = [self retrievePointerIdFromDict:touch];
     
-    _BoundaryReached = (normalizedX == 1.0f || normalizedX == 0.f ||  normalizedY == 1.0f || normalizedY == 0.f);
-    //if(_XBoundaryReached || _YBoundaryReached) LiSendTouchEvent(LI_TOUCH_EVENT_UP,pointerId, normalizedX, normalizedY, 0, 0, 0, 0);
-    if(_BoundaryReached){
-        LiSendTouchEvent(LI_TOUCH_EVENT_UP, pointerId, normalizedX, normalizedY, 0, 0, 0, 0);
-        LiSendTouchEvent(LI_TOUCH_EVENT_MOVE, pointerId, 0.5, 0.5, 0, 0, 0, 0);
-    }
-    else LiSendTouchEvent(touchType, pointerId, normalizedX, normalizedY,(touch.force / touch.maximumPossibleForce) / sin(touch.altitudeAngle),0.0f, 0.0f,[streamView getRotationFromAzimuthAngle:[touch azimuthAngleInView:streamView]]);
+    
+    if([NativeTouchPointer getPointerObjFromDict:touch].boundaryReached){ // access whether the current pointer has reached the boundary.
+        LiSendTouchEvent(LI_TOUCH_EVENT_UP, pointerId, normalizedX, normalizedY, 0, 0, 0, 0);  //event must sent from the lowest level directy by LiSendTouchEvent to simulate continous dragging to another point on screen
+        LiSendTouchEvent(LI_TOUCH_EVENT_DOWN, pointerId, 0.3, 0.4, 0, 0, 0, 0);
+    }else LiSendTouchEvent(touchType, pointerId, normalizedX, normalizedY,(touch.force / touch.maximumPossibleForce) / sin(touch.altitudeAngle),0.0f, 0.0f,[streamView getRotationFromAzimuthAngle:[touch azimuthAngleInView:streamView]]);
 }
 
 - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
@@ -108,6 +105,7 @@
     for (UITouch* touch in touches){
         if(activateCoordSelector) [NativeTouchPointer updatePointerObjInDict:touch];
         [self sendTouchEvent:touch withTouchtype:LI_TOUCH_EVENT_MOVE];
+        [[NativeTouchPointer getPointerObjFromDict:touch] doesReachBoundary]; // execute the judging of doesReachBoundary for current pointer instance. (happens after the event is sent to Sunshine service)
     }
     return;
 }

Limelight/Input/NativeTouchPointer.h

@@ -12,10 +12,15 @@
 NS_ASSUME_NONNULL_BEGIN
 
 @interface NativeTouchPointer : NSObject
+@property (nonatomic, assign) bool boundaryReached;
 
-+ (void)initContextWithView:(StreamView *)view andNativeTouchHandler:(NativeTouchHandler*)handler;
++ (void)initContextWithView:(StreamView *)view;
 + (void)setPointerVelocityDivider:(CGFloat)dividerLocation;
 + (void)setPointerVelocityFactor:(CGFloat)velocityFactor;
+
++ (NativeTouchPointer* )getPointerObjFromDict:(UITouch*)touch;
+- (bool)doesReachBoundary;
+
 + (void)populatePointerObjIntoDict:(UITouch*)touch;
 + (void)removePointerObjFromDict:(UITouch*)touch;
 + (void)updatePointerObjInDict:(UITouch *)touch;

Limelight/Input/NativeTouchPointer.m

@@ -8,7 +8,6 @@
 
 #import <Foundation/Foundation.h>
 #import "NativeTouchPointer.h"
-#import "NativeTouchHandler.h"
 #include <Limelight.h>
 
 // native touch pointer ojbect that stores & manipulates touch coordinates
@@ -18,9 +17,10 @@ static NSMutableDictionary *pointerObjDict;
 static CGFloat pointerVelocityFactor;
 static CGFloat pointerVelocityDivider;
 static CGFloat pointerVelocityDividerLocationByPoints;
-static NativeTouchHandler* nativeTouchHandler;
-static CGFloat halfScreenHeightInPoints;
-static CGFloat halfScreenWidthInPoints;
+static CGFloat screenHeightInPoints;
+static CGFloat screenWidthInPoints;
+static CGFloat fixedResetCoordX;
+static CGFloat fixedResetCoordY;
 
 StreamView *streamView;
 
@@ -32,15 +32,6 @@ StreamView *streamView;
     CGPoint previousRelativePoint;
 }
 
-+ (void)setPointerVelocityDivider:(CGFloat)dividerLocation{
-    pointerVelocityDivider = dividerLocation;
-}
-
-+ (void)setPointerVelocityFactor:(CGFloat)velocityFactor{
-    pointerVelocityFactor = velocityFactor;
-}
-
-
 - (instancetype)initWithTouch:(UITouch *)touch{
     self = [super init];
     self->initialPoint = [touch locationInView:streamView];
@@ -49,29 +40,44 @@ StreamView *streamView;
     return self;
 }
 
+- (bool)doesReachBoundary{
+    _boundaryReached = (pointerVelocityFactor > 1.0f) && (latestRelativePoint.x > screenWidthInPoints || latestRelativePoint.x < 0.0f ||  latestRelativePoint.y > screenHeightInPoints || latestRelativePoint.y < 0.0f); // boundary detection & coordinates reset to the central screen point for HK:StarTrail(needs a very high pointer velocity); // boundary detection & coordinates reset to the specific point for HK:StarTrail(needs a very high pointer velocity)
+    return _boundaryReached;
+}
+
 - (void)updatePointerCoords:(UITouch *)touch{
     previousPoint = latestPoint;
     latestPoint = [touch locationInView:streamView];
     previousRelativePoint = latestRelativePoint;
-    if(nativeTouchHandler.BoundaryReached){   // reset
-        previousRelativePoint.x = halfScreenWidthInPoints;
-        previousRelativePoint.y = halfScreenHeightInPoints;
+    if(_boundaryReached){// boundary detection & coordinates reset to the central screen point for HK:StarTrail(needs a very high pointer velocity); // boundary detection & coordinates reset to specific point for HK:StarTrail(needs a very high pointer velocity)
+        previousRelativePoint.x = fixedResetCoordX;
+        previousRelativePoint.y = fixedResetCoordY;
     }
     latestRelativePoint.x = previousRelativePoint.x + pointerVelocityFactor * (latestPoint.x - previousPoint.x);
     latestRelativePoint.y = previousRelativePoint.y + pointerVelocityFactor * (latestPoint.y - previousPoint.y);
 }
 
-+ (void)initContextWithView:(StreamView *)view andNativeTouchHandler:(NativeTouchHandler*)handler {
++ (void)initContextWithView:(StreamView *)view {
     streamView = view;
-    nativeTouchHandler = handler;
-    halfScreenHeightInPoints = CGRectGetHeight([[UIScreen mainScreen] bounds])/2;
-    halfScreenWidthInPoints = CGRectGetWidth([[UIScreen mainScreen] bounds])/2;
+    screenWidthInPoints = CGRectGetWidth([[UIScreen mainScreen] bounds]);
+    fixedResetCoordX = screenWidthInPoints * 0.3;
+    screenHeightInPoints = CGRectGetHeight([[UIScreen mainScreen] bounds]);
+    fixedResetCoordY = screenHeightInPoints * 0.4;
     pointerObjDict = [NSMutableDictionary dictionary];
     pointerVelocityDividerLocationByPoints = CGRectGetWidth([[UIScreen mainScreen] bounds]) * pointerVelocityDivider;
     NSLog(@"pointerVelocityDivider:  %.2f", pointerVelocityDivider);
     NSLog(@"pointerVelocityDividerLocationByPoints:  %.2f", pointerVelocityDividerLocationByPoints);
 }
 
++ (void)setPointerVelocityDivider:(CGFloat)dividerLocation{
+    pointerVelocityDivider = dividerLocation;
+}
+
++ (void)setPointerVelocityFactor:(CGFloat)velocityFactor{
+    pointerVelocityFactor = velocityFactor;
+}
+
+
 + (void)populatePointerObjIntoDict:(UITouch*)touch{
     [pointerObjDict setObject:[[NativeTouchPointer alloc] initWithTouch:touch] forKey:@((uintptr_t)touch)];
 }
@@ -82,9 +88,13 @@ StreamView *streamView;
     if(pointer != nil){
         [pointerObjDict removeObjectForKey:@(memAddrValue)];
     }
-
 }
 
++ (NativeTouchPointer* )getPointerObjFromDict:(UITouch*)touch{
+    return [pointerObjDict objectForKey:@((uintptr_t)touch)];
+}
+
+
 + (void)updatePointerObjInDict:(UITouch *)touch{
     [[pointerObjDict objectForKey:@((uintptr_t)touch)] updatePointerCoords:touch];
 }
@@ -99,6 +109,4 @@ StreamView *streamView;
 }
 
 
-
-
 @end