新Swiftで行こう…第23回「ポーカー8」 田部井保

目次 解説編

 前回の問題はストレートの判定をKの後にAが続いているという様に拡張するという事でした。

 前回の問題の答えの一つです。

//
//  ViewController.swift
//  Poker
//
//  Created by 保 Tabei on 2024/09/09.
//

import UIKit

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
        for i in 0 ..< 5 {
            let lbl = UILabel(frame: CGRectMake(0, 0, 50, 21))
            lbl.center = CGPointMake(100 + 50 * CGFloat(i), 250)
            lbl.textAlignment = NSTextAlignment.center
            lbl.text = "⬛️"
            eachCard += [lbl]
            self.view.addSubview(lbl)
            
            let btn = UIButton(frame: CGRectMake(0, 0, 50, 21)) as UIButton
            btn.center = CGPointMake(100 + 50 * CGFloat(i), 300)
            btn.setTitle("off", for: .normal)
            btn.setTitleColor(UIColor.systemGray, for: .normal)
            btn.addTarget(self, action: #selector(btnTapped), for: .touchUpInside)
            btn.tag = i
            eachButton += [btn]
            self.view.addSubview(btn)
        }
    }

    @objc func btnTapped(sender: UIButton) {
        if sender.currentTitle == "off" {
            sender.setTitle("on", for: .normal)
            eachCard[sender.tag].text = "⬛️"
        } else {
            sender.setTitle("off", for: .normal)
            let card = eachCard[sender.tag].tag
            var strCard: String
            if card == 52 {
                strCard = "JK"
            } else {
                strCard = mark[card / 13] + number[card % 13]
            }
            eachCard[sender.tag].text = strCard
        }
    }
    
    let mark: [String] = ["♣️","♦️","❤️","♠️"]
    let number: [String] = ["A","2","3","4","5","6","7","8","9","T","J","Q","K"]

    enum EnumCard {
        static let Count = 52
    }
    
    var check: [Bool] = [Bool](repeating: false, count: EnumCard.Count)
    
    var count = EnumCard.Count

    var eachCard: [UILabel] = []
    
    var eachButton: [UIButton] = []

    func put(i: Int) {
        var card = 0
        let randInt = Int.random(in: 0 ..< count)
        for i in 0 ... randInt {
            while check[card] {
                card += 1
            }
            if i < randInt {
                card += 1
            }
        }
        check[card] = true
        count -= 1
        var strCard: String
        if card == 52 {
            strCard = "JK"
        } else {
            strCard = mark[card / 13] + number[card % 13]
        }
        eachCard[i].text = strCard
        eachCard[i].tag = card
    }

    func flush() {
        var ck = 0
        for i in 0 ..< 5 {
            for j in i + 1 ..< 5 {
                if eachCard[i].tag % 13 == eachCard[j].tag % 13 {
                    ck += 1
                }
            }
        }
        if ck > 0 {
            var msg: String
            switch ck {
            case 1:
                msg = "ワンペア"
            case 2:
                msg = "ツーペア"
            case 3:
                msg = "スリーカード"
            case 4:
                msg = "フルハウス"
            case 6:
                msg = "フォーカード"
            default:
                msg = ""
            }
            let alert = UIAlertController()
            alert.title = "ペア"
            alert.message = msg + "です"
            alert.addAction(UIAlertAction(title: "OK", style: .default))
            present(alert, animated: true, completion: nil)
        } else {
            var chk = true
            let mark: Int = eachCard[0].tag / 13
            for i in 1 ..< 5 {
                if mark != eachCard[i].tag / 13 {
                    chk = false
                    break
                }
            }
            var min = 0
            var max = 0
            min = eachCard[0].tag % 13
            max = eachCard[0].tag % 13
            var isAce = false
            var isKing = false
            for i in 0 ..< 5 {
                if eachCard[i].tag % 13 == 0 {
                    isAce = true
                }
                if eachCard[i].tag % 13 == 12 {
                    isKing = true
                }
            }
            let up = isAce && isKing
            for i in 1 ..< 5 {
                var val = eachCard[i].tag % 13
                if up {
                    if val < 4 {
                        val = val + 13
                    }
                }
                if val < min {
                    min = val
                }
                if max < val {
                    max = val
                }
            }
            var chk2 = false
            var chk3 = false
            if max - min == 4 {
                chk2 = true
                if max == 13 { 
                    chk3 = true
                }             
            }
            var msg: String = ""
            if chk3 {
                msg = "ロイヤル"
            }
            if chk2 {
                msg += "ストレート"
            }
            if chk {
                msg += "フラッシュ"
            }
            if (chk || chk2) {
                let alert = UIAlertController()
                alert.title = msg
                alert.message = msg + "です"
                alert.addAction(UIAlertAction(title: "OK", style: .default))
                present(alert, animated: true, completion: nil)
            }
        }
    }

    @IBAction func btnGoTouch(_ sender: Any) {
        for i in 0 ..< EnumCard.Count {
            check[i] = false
        }
        count = EnumCard.Count
        for i in 0 ..< 5 {
            put(i: i)
        }
        flush()
    }
    
    @IBAction func btnReTouch(_ sender: Any) {
        for i in 0 ..< 5 {
            if eachButton[i].currentTitle == "on" {
                put(i: i)
                eachButton[i].setTitle("off", for: .normal)
            }
        }
        flush()
    }
}

 ここまでで、ポーカーの役の判定は一通り終わりました。次回以降で、ゲーム風に仕立てたいと思います。

 1枚目にAから4が出た時に、ストレートと判定されない不具合がありました。1枚目だけ、最初に min と max にナンバー部分を入れていて、エースとキングが出ている場合でも13を足すという事をしていなかった為です。

            var isAce = false
            var isKing = false
            for i in 0 ..< 5 {
                if eachCard[i].tag % 13 == 0 {
                    isAce = true
                }
                if eachCard[i].tag % 13 == 12 {
                    isKing = true
                }
            }
            let up = isAce && isKing
            var min = 0
            var max = 0
            for i in 0 ..< 5 {
                var val = eachCard[i].tag % 13
                if up {
                    if val < 4 {
                        val = val + 13
                    }
                }
                if i == 0 {
                    min = val
                    max = val
                } else {
                    if val < min {
                        min = val
                    }
                    if max < val {
                        max = val
                    }
                }
            }

目次 解説編

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