作業 BlackJack 遊戲製作

Blackjack 在賭場為了防止人算牌，其實不只用一副牌，可能是四副，所以判斷式可能要依用牌數去決定。因為昨天已經做過卡牌10點半，今天就延用同一個場景，主要的功能改用 class 製作。

主要規則先各發二張牌，莊家只秀一張，玩家補到爆就莊家勝，誰拿到Blackjack誰就勝不必補，一起拿到Blackjack就平手，莊家至少要到17點才可以跟玩家，分數高的就 Winner！

//
//  BlackJack
//  0327Storyboard21
//
//  Created by RickKikiDevelope on 2023/3/27.
//

import UIKit

class HandOfCards {
    let MaxCard = 7
    let MinRequire = 17
    var cardIndex = 0
    var cards = Array<Int?>(repeating:nil , count: 7)
    var isBlackJack = false
    
    func GetACard() -> Int {  // 以後要檢查不重覆的牌
        return Int.random(in: 1...52)
    }
    
    func resetAll() {
        isBlackJack = false
        cards.removeAll()
        cards = Array<Int?>(repeating:nil , count: 7)
        cardIndex = 0
    }
    
    func AutoAdd() {
       
        while (!isBusted() && (bestScore() < MinRequire) && (cardIndex < MaxCard) ) {
                   cards[cardIndex] = GetACard()
                   cardIndex += 1
               }
        
    }
    
    func GetFirst2Cards() {
        resetAll()
        cards[0] = GetACard()
        cards[1] = GetACard()
        cardIndex = 2
        if (point(cards[0]!) == 1 && point(cards[1]!) == 10) || (point(cards[0]!) == 10 && point(cards[1]!) == 1) {
            isBlackJack = true
        }
    }
    
    func point(_ card : Int) -> Int {
        let n = card % 13
        switch n {
        case 0,10,11,12 :
            return 10
        default :
            return n
        }
    }
    
    func getOne () {
        if cardIndex < MaxCard {
            cards[cardIndex] = GetACard()
            cardIndex += 1
        }
    }
    
    func bestScore() -> Int {
        let points = Points()
        var score = 0
        for point in points {  // 任一個點數少於21就可以
            if (score < point) && (point <= 21) {
                score = point
            }
        }
        return score
    }
    
    func isBusted() -> Bool {
        let points = Points()
        var bust = true
        for point in points {  // 任一個點數少於21就可以
            bust = bust && (point>21)
        }
        return bust
    }
    
    func Points () -> [Int] {
        var pointArray : [Int] = []
        var index = 1
        var single : Int = 0
        var aced = false
        
        pointArray.append(0)
        
        for i in 0 ..< cardIndex {
            for j in 0 ..< index {
                if let card=cards[i] {
                    single = point (card)
                    pointArray[j] += single
                    if single == 1 && !aced {
                        aced = true
                        pointArray.append(pointArray[j] + 10)
                        index += 1
                    }
                }
            }
        }
        return pointArray
    }
}

class ViewController: UIViewController {
    
    let DealerHand = HandOfCards()
    let PlayerHand = HandOfCards()
    
    @IBOutlet weak var DealerScore: UILabel!
    @IBOutlet weak var PlayerScore: UILabel!
    
    @IBOutlet var CardHomeImages: [UIImageView]!
    @IBOutlet var CardBossImages: [UIImageView]!
    
    @IBOutlet weak var CombatButton: UIButton!
    @IBOutlet weak var MoreCard: UIButton!
    @IBOutlet weak var NewGameButton: UIButton!
    
    @IBOutlet weak var HomeInfo: UILabel!
    @IBOutlet weak var BossInfo: UILabel!
    
    func combat() {
        
        autoAddBossCards()
        ShowDealerCards(hideOne: false, cards: DealerHand.cards)
        let dealerScore = DealerHand.bestScore()
        let playerScore = PlayerHand.bestScore()
        if dealerScore == playerScore {
            HomeInfo.text = " Tie "
        } else if dealerScore > playerScore {
            HomeInfo.text = " Dealer wins!"
        } else {
            HomeInfo.text = " Player wins!"
        }
        NewGameButton.isEnabled = true
        CombatButton.isEnabled = false
        MoreCard.isEnabled = false
    }
    
    @IBAction func Combat(_ sender: Any) {
        combat()
    }
    
    func autoAddBossCards() {
        DealerHand.AutoAdd()
    }
    
    func ResetAll () {
        CombatButton.isEnabled = false
        MoreCard.isEnabled = false
        NewGameButton.isEnabled = true
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
       
        ResetAll()
    }

    @IBAction func MoreCard(_ sender: Any) {
        
        PlayerHand.getOne()
        ShowPlayerCards(cards: PlayerHand.cards)
        if PlayerHand.isBusted() {
            HomeInfo.text = " Busted  "
            MoreCard.isEnabled = false
            CombatButton.isEnabled = false
            NewGameButton.isEnabled = true
            ShowDealerCards(hideOne : false, cards: DealerHand.cards)
        } else {
            if PlayerHand.bestScore() == 21 {
                combat()
            } else {
                PlayerScore.text! = "\(PlayerHand.bestScore())"
            }
        }
    }
    
    func ShowDealerCards ( hideOne : Bool, cards: [Int?]) {
        for i in 0 ..< cards.count {
            if let card = cards[i] {
                if hideOne && i == 0 {
                    CardBossImages[i].image = UIImage(named: "53") //
                } else {
                    CardBossImages[i].image = UIImage(named: "\(card)")
                }
            }
        }
        if hideOne {
            DealerScore.text = ""
        } else {
            if DealerHand.isBusted() {
                DealerScore.text = "Busted"
            } else {
                DealerScore.text = "\(DealerHand.bestScore())"
            }
        }
    }
    
    func ShowPlayerCards ( cards: [Int?]) {
        for i in 0 ..< cards.count {
            if let card = cards[i] {
                CardHomeImages[i].image = UIImage(named: "\(card)")
            }
        }
        PlayerScore.text = "\(PlayerHand.bestScore())"
    }
    
    func ClearScreen (){
        for i in 0 ..< CardHomeImages.count {
            CardHomeImages[i].image = UIImage()
        }
        for i in 0 ..< CardBossImages.count {
            CardBossImages[i].image = UIImage()
        }
        HomeInfo.text = "Player"
        BossInfo.text = "Dealer"
        DealerScore.text = ""
        PlayerScore.text = ""
    }
    
    
    @IBAction func NewGame(_ sender: Any) {
        
        DealerHand.GetFirst2Cards()
        PlayerHand.GetFirst2Cards()
        ClearScreen()
        ShowDealerCards(hideOne : true, cards: DealerHand.cards)
        ShowPlayerCards(cards: PlayerHand.cards)
        if DealerHand.isBlackJack {
            DealerScore.text! = " Blackjack "
            ShowDealerCards(hideOne: false, cards: DealerHand.cards)
            if PlayerHand.isBlackJack {
                PlayerScore.text! = " Blackjack "
                HomeInfo.text = "Tie"
            } else {
                BossInfo.text = " Dealer Wins!"
            }
                
        } else if PlayerHand.isBlackJack {
            PlayerScore.text! = " Blackjack "
            ShowDealerCards(hideOne: false, cards: DealerHand.cards)
            HomeInfo.text = " Player Wins!"
        } else {
            MoreCard.isEnabled = true
            CombatButton.isEnabled = true
            NewGameButton.isEnabled = false
        }
     
    }
    
}