94 lines
2.9 KiB
Objective-C
94 lines
2.9 KiB
Objective-C
//
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// NativeTouchPointer.m
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// Moonlight
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//
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// Created by ZWM on 2024/5/14.
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// Copyright © 2024 Moonlight Game Streaming Project. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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#import "NativeTouchPointer.h"
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#include <Limelight.h>
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// native touch pointer ojbect that stores & manipulates touch coordinates
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static NSMutableDictionary *pointerObjDict;
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static CGFloat pointerVelocityFactor;
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static CGFloat pointerVelocityDivider;
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static CGFloat pointerVelocityDividerLocationByPoints;
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StreamView *streamView;
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@implementation NativeTouchPointer{
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CGPoint initialPoint;
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CGPoint latestPoint;
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CGPoint previousPoint;
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CGPoint latestRelativePoint;
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CGPoint previousRelativePoint;
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}
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+ (void)setPointerVelocityDivider:(CGFloat)dividerLocation{
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pointerVelocityDivider = dividerLocation;
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}
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+ (void)setPointerVelocityFactor:(CGFloat)velocityFactor{
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pointerVelocityFactor = velocityFactor;
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}
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- (instancetype)initWithTouch:(UITouch *)touch{
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self = [super init];
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self->initialPoint = [touch locationInView:streamView];
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self->latestPoint = self->initialPoint;
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self->latestRelativePoint = self->initialPoint;
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return self;
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}
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- (void)updatePointerCoords:(UITouch *)touch{
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previousPoint = latestPoint;
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latestPoint = [touch locationInView:streamView];
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previousRelativePoint = latestRelativePoint;
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latestRelativePoint.x = previousRelativePoint.x + pointerVelocityFactor * (latestPoint.x - previousPoint.x);
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latestRelativePoint.y = previousRelativePoint.y + pointerVelocityFactor * (latestPoint.y - previousPoint.y);
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}
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+ (void)initContextWithView:(StreamView *)view{
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streamView = view;
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pointerObjDict = [NSMutableDictionary dictionary];
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pointerVelocityDividerLocationByPoints = CGRectGetWidth([[UIScreen mainScreen] bounds]) * pointerVelocityDivider;
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NSLog(@"pointerVelocityDivider: %.2f", pointerVelocityDivider);
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NSLog(@"pointerVelocityDividerLocationByPoints: %.2f", pointerVelocityDividerLocationByPoints);
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}
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+ (void)populatePointerObjIntoDict:(UITouch*)touch{
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[pointerObjDict setObject:[[NativeTouchPointer alloc] initWithTouch:touch] forKey:@((uintptr_t)touch)];
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}
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+ (void)removePointerObjFromDict:(UITouch*)touch{
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uintptr_t memAddrValue = (uintptr_t)touch;
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NativeTouchPointer* pointer = [pointerObjDict objectForKey:@(memAddrValue)];
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if(pointer != nil){
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[pointerObjDict removeObjectForKey:@(memAddrValue)];
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}
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}
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+ (void)updatePointerObjInDict:(UITouch *)touch{
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[[pointerObjDict objectForKey:@((uintptr_t)touch)] updatePointerCoords:touch];
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}
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+ (CGPoint)selectCoordsFor:(UITouch *)touch{
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NativeTouchPointer *pointer = [pointerObjDict objectForKey:@((uintptr_t)touch)];
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if((pointer -> initialPoint).x > pointerVelocityDividerLocationByPoints){ //if first contact coords locates on the right side of divider.
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return pointer->latestRelativePoint;
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}
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return [touch locationInView:streamView];
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}
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@end
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