Mercurial > public > geoquiz
annotate GeoQuiz/Models/Controllers/CityGameController.swift @ 28:f51b70c2cccc
randomize country selection
| author | Dennis C. M. <dennis@denniscm.com> |
|---|---|
| date | Thu, 10 Nov 2022 10:12:58 +0100 |
| parents | 425078c01194 |
| children |
| rev | line source |
|---|---|
| 0 | 1 // |
| 19 | 2 // CityGameController.swift |
| 0 | 3 // GeoQuiz |
| 4 // | |
| 6 | 5 // Created by Dennis Concepción Martín on 29/9/22. |
| 0 | 6 // |
| 7 | |
| 8 import Foundation | |
| 5 | 9 import AVFAudio |
| 0 | 10 |
| 19 | 11 class CityGameController: Game, ObservableObject { |
| 6 | 12 |
| 3 | 13 // Define type of generics |
| 19 | 14 typealias T = CityModel.City |
| 6 | 15 |
| 16 var data: [String: T] | |
| 17 var dataAsked = [String: T]() | |
| 0 | 18 |
| 8 | 19 // Data |
| 20 @Published var correctAnswer = ( | |
| 21 key: String(), | |
| 22 value: T(country: String(), lat: Double(), lon: Double()) | |
| 23 ) | |
| 3 | 24 |
| 25 // User | |
| 6 | 26 @Published var userChoices = [String: T]() |
| 0 | 27 @Published var userScore = 0 |
| 28 @Published var userLives = 3 | |
| 6 | 29 @Published var correctAnswers = [String: T]() |
| 30 @Published var wrongAnswers = [String: T]() | |
| 3 | 31 |
| 32 // Alerts | |
| 33 @Published var alertTitle = String() | |
| 34 @Published var alertMessage = String() | |
| 35 @Published var showingEndGameAlert = false | |
| 0 | 36 @Published var showingWrongAnswerAlert = false |
| 4 | 37 @Published var showingExitGameAlert = false |
| 0 | 38 |
| 3 | 39 // Animations |
| 40 @Published var scoreScaleAmount = 1.0 | |
| 41 @Published var livesScaleAmount = 1.0 | |
| 42 | |
| 5 | 43 // Sound effects |
| 44 @Published var player: AVAudioPlayer? | |
| 45 | |
| 0 | 46 init() { |
| 26 | 47 let data: CityModel = Bundle.main.decode("cities.json") |
| 6 | 48 self.data = data.cities |
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10
a793f33f05fb
refactor code and fix layout
Dennis C. M. <dennis@denniscm.com>
parents:
9
diff
changeset
|
49 |
| 19 | 50 let user = UserController() |
| 14 | 51 userLives = user.data.numberOfLives |
|
10
a793f33f05fb
refactor code and fix layout
Dennis C. M. <dennis@denniscm.com>
parents:
9
diff
changeset
|
52 |
| 14 | 53 if let userData = UserDefaults.standard.data(forKey: "UserData") { |
| 19 | 54 if let decodedUserData = try? JSONDecoder().decode(UserDataModel.self, from: userData) { |
| 14 | 55 userLives = decodedUserData.numberOfLives |
|
10
a793f33f05fb
refactor code and fix layout
Dennis C. M. <dennis@denniscm.com>
parents:
9
diff
changeset
|
56 } |
|
a793f33f05fb
refactor code and fix layout
Dennis C. M. <dennis@denniscm.com>
parents:
9
diff
changeset
|
57 } |
|
a793f33f05fb
refactor code and fix layout
Dennis C. M. <dennis@denniscm.com>
parents:
9
diff
changeset
|
58 |
| 8 | 59 askQuestion { |
| 60 selector() | |
| 61 } | |
| 0 | 62 } |
| 63 } | |
| 7 | 64 |
| 19 | 65 extension CityGameController { |
| 8 | 66 func selector() { |
| 67 | |
| 68 // Get random choices | |
| 69 var userChoices = [String: T]() | |
| 70 | |
| 71 while userChoices.count < 2 { | |
| 72 if let choice = data.randomElement() { | |
| 73 let userChoicesCountry = userChoices.map { $0.value.country } | |
| 74 | |
| 75 if !userChoicesCountry.contains(choice.value.country) { | |
| 76 userChoices[choice.key] = choice.value | |
| 77 } | |
| 78 } else { | |
| 79 fatalError("Couldn't get a random value from data") | |
| 7 | 80 } |
| 81 } | |
| 8 | 82 |
| 83 // Get question asked (correct answer) | |
| 84 let userChoicesCountry = userChoices.map { $0.value.country } | |
| 85 let correctAnswer = data.first(where: { | |
| 86 !userChoices.keys.contains($0.key) && // Avoid duplicated cities | |
| 87 !dataAsked.keys.contains($0.key) && // Avoid cities already asked | |
| 88 !userChoicesCountry.contains($0.value.country) // Avoid duplicated country names in userChoices | |
| 89 }) | |
| 90 | |
| 91 // Unwrap optional | |
| 92 if let correctAnswer = correctAnswer { | |
| 93 userChoices[correctAnswer.key] = correctAnswer.value | |
| 94 dataAsked[correctAnswer.key] = correctAnswer.value | |
| 95 self.correctAnswer = correctAnswer | |
| 96 } else { | |
| 97 fatalError("Couldn't unwrap optional value") | |
| 98 } | |
| 99 | |
| 100 self.userChoices = userChoices | |
| 7 | 101 } |
| 102 } | |
| 103 |