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comparison GeoQuiz/Logic/CityGame.swift @ 8:e09959b4e4a8

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fix bugs
author Dennis C. M. <dennis@denniscm.com>
date Thu, 06 Oct 2022 11:14:34 +0200
parents d945e52b0704
children 3540c7efc216
comparison
equal deleted inserted replaced
7:d945e52b0704 8:e09959b4e4a8
6 // 6 //
7 7
8 import Foundation 8 import Foundation
9 import AVFAudio 9 import AVFAudio
10 import SwiftUI 10 import SwiftUI
11 import MapKit
12 11
13 class CityGame: Game, ObservableObject { 12 class CityGame: Game, ObservableObject {
14 13
15 // Define type of generics 14 // Define type of generics
16 typealias T = CityModel.CityData 15 typealias T = CityModel.CityData
17 16
18 var data: [String: T] 17 var data: [String: T]
19 var dataAsked = [String: T]() 18 var dataAsked = [String: T]()
20 19
21 @Published var mapImage: UIImage? = nil 20 // Data
22 @Published var correctAnswer = (key: String(), value: T(country: String(), lat: Double(), lon: Double())) { 21 @Published var correctAnswer = (
23 willSet { 22 key: String(),
24 getMapImage(lat: newValue.value.lat, lon: newValue.value.lon) 23 value: T(country: String(), lat: Double(), lon: Double())
25 } 24 )
26 }
27 25
28 // User 26 // User
29 @Published var userChoices = [String: T]() 27 @Published var userChoices = [String: T]()
30 @Published var userScore = 0 28 @Published var userScore = 0
31 @Published var userLives = 3 29 @Published var userLives = 3
48 @Published var player: AVAudioPlayer? 46 @Published var player: AVAudioPlayer?
49 47
50 init() { 48 init() {
51 let data: CityModel = load("cities.json") 49 let data: CityModel = load("cities.json")
52 self.data = data.cities 50 self.data = data.cities
53 askQuestion() 51 askQuestion {
52 selector()
53 }
54 } 54 }
55 } 55 }
56 56
57 extension CityGame { 57 extension CityGame {
58 func getMapImage(lat: Double, lon: Double) { 58 func selector() {
59 let region = MKCoordinateRegion( 59
60 center: CLLocationCoordinate2D( 60 // Get random choices
61 latitude: lat, 61 var userChoices = [String: T]()
62 longitude: lon 62
63 ), 63 while userChoices.count < 2 {
64 span: MKCoordinateSpan( 64 if let choice = data.randomElement() {
65 latitudeDelta: 1.0, 65 let userChoicesCountry = userChoices.map { $0.value.country }
66 longitudeDelta: 1.0 66
67 ) 67 if !userChoicesCountry.contains(choice.value.country) {
68 ) 68 userChoices[choice.key] = choice.value
69 69 }
70 // Map options 70 } else {
71 let mapOptions = MKMapSnapshotter.Options() 71 fatalError("Couldn't get a random value from data")
72 mapOptions.region = region
73 mapOptions.size = CGSize(width: 600, height: 600)
74 mapOptions.showsBuildings = true
75
76 // Create the snapshotter and run it
77 let snapshotter = MKMapSnapshotter(options: mapOptions)
78 snapshotter.start { (snapshot, error) in
79 if let snapshot = snapshot {
80 self.mapImage = snapshot.image
81 } else if let error = error {
82 print(error.localizedDescription)
83 } 72 }
84 } 73 }
74
75 // Get question asked (correct answer)
76 let userChoicesCountry = userChoices.map { $0.value.country }
77 let correctAnswer = data.first(where: {
78 !userChoices.keys.contains($0.key) && // Avoid duplicated cities
79 !dataAsked.keys.contains($0.key) && // Avoid cities already asked
80 !userChoicesCountry.contains($0.value.country) // Avoid duplicated country names in userChoices
81 })
82
83 // Unwrap optional
84 if let correctAnswer = correctAnswer {
85 userChoices[correctAnswer.key] = correctAnswer.value
86 dataAsked[correctAnswer.key] = correctAnswer.value
87 self.correctAnswer = correctAnswer
88 } else {
89 fatalError("Couldn't unwrap optional value")
90 }
91
92 self.userChoices = userChoices
85 } 93 }
86 } 94 }
87 95