Enable 3D maps on AppleTV 4K

MapHacks.m

//
//  MapHacks.m
//  Tacx-iOS
//
//  Created by M Ivaniushchenko on 6/7/18.
//  Copyright © 2018 Splendo. All rights reserved.
//

#import "MapHacks.h"
#import <objc/message.h>
#import <CoreLocation/CoreLocation.h>

bool (*gOriginalMKSystemControllerSupports3DImagery)(id, SEL);
bool (*gOriginalMKSystemControllerSupports3DMaps)(id, SEL);

bool _replace_MKSystemController_supports3DImagery(id self, SEL _cmd) {
    return true;
}

bool _replace_MKSystemController_supports3DMaps(id self, SEL _cmd) {
    return true;
}

@implementation MapHacks

+ (void)load {
    [self replaceMKSystemController1];
    [self replaceMKSystemController2];
}

+ (void)replaceMKSystemController1 {
    SEL originalSelector = @selector(supports3DImagery);
    SEL replacementSelector = @selector(_replace_supports3DImagery);
    
    Class class = NSClassFromString(@"MKSystemController");
    Method originalMethod = class_getInstanceMethod(class, originalSelector);
    
    IMP originalMethodImpl = method_getImplementation(originalMethod);
    
    gOriginalMKSystemControllerSupports3DImagery = (void *)originalMethodImpl;
    
    const char *typeEncoding = method_getTypeEncoding(originalMethod);
    
    if (!class_addMethod(class, originalSelector, (IMP)_replace_MKSystemController_supports3DImagery, typeEncoding)) {
        method_setImplementation(originalMethod, (IMP)_replace_MKSystemController_supports3DImagery);
    }
}

+ (void)replaceMKSystemController2 {
    SEL originalSelector = @selector(supports3DMaps);
    SEL replacementSelector = @selector(_replace_supports3DMaps);
    
    Class class = NSClassFromString(@"MKSystemController");
    Method originalMethod = class_getInstanceMethod(class, originalSelector);
    
    IMP originalMethodImpl = method_getImplementation(originalMethod);
    
    gOriginalMKSystemControllerSupports3DMaps = (void *)originalMethodImpl;
    
    const char *typeEncoding = method_getTypeEncoding(originalMethod);
    
    if (!class_addMethod(class, originalSelector, (IMP)_replace_MKSystemController_supports3DMaps, typeEncoding)) {
        method_setImplementation(originalMethod, (IMP)_replace_MKSystemController_supports3DMaps);
    }
}

@end