如何在基本游戲中獲取C＃代碼以讀取XML文件

Question

我正在創建基於RPG的基本文本，並嘗試使用xml來保存游戲。 這是從xml調用玩家數據的代碼：

public class SuperAdventure() {
    private Player _player;

    private Monster _currentMonster;

    private const string PLAYER_DATA_FILE_NAME = "PlayerData.xml";

    public SuperAdventure()
    {
        InitializeComponent();

        if (File.Exists(PLAYER_DATA_FILE_NAME))
        {
            _player = Player.CreatePlayerFromXmlString(File.ReadAllText(PLAYER_DATA_FILE_NAME));
        }
        else
        {
            _player = Player.CreateDefaultPlayer();
        }

        MoveTo(_player.CurrentLocation);
        UpdatePlayerStats();
    }
}

我也知道可以正確創建xml。 當我關閉游戲時，可以手動找到xml。 保存所有統計信息，但是當重新打開游戲時，玩家將重置為默認統計信息和項目。 我不確定函數調用的順序是否重要，或者xml的創建是否會影響xml的游戲使用。

這是CreatePlayerFromXmlString（）函數：

        public static Player CreatePlayerFromXmlString(string xmlPlayerData)
    {
        try
        {
            XmlDocument playerData = new XmlDocument();

            playerData.LoadXml(xmlPlayerData);

            int currentHitPoints = Convert.ToInt32(playerData.SelectSingleNode("/Player/Stats/CurrentHItPoints").InnerText);
            int maximumHitPoints = Convert.ToInt32(playerData.SelectSingleNode("/Player/Stats/MaximumHitPoints").InnerText);
            int gold = Convert.ToInt32(playerData.SelectSingleNode("/Player/Stats/Gold").InnerText);
            int experiencePoints = Convert.ToInt32(playerData.SelectSingleNode("/Player/Stats/ExperiencePoints").InnerText);

            Player player = new Player(currentHitPoints, maximumHitPoints, gold, experiencePoints);

            int currentLocationID = Convert.ToInt32(playerData.SelectSingleNode("/Player/Stats/CurrentLocation").InnerText);
            player.CurrentLocation = World.LocationByID(currentLocationID);

            foreach (XmlNode node in playerData.SelectNodes("/Player/InventoryItems/InventoryItem"))
            {
                int id = Convert.ToInt32(node.Attributes["ID"].Value);
                int quantity = Convert.ToInt32(node.Attributes["Quantity"].Value);

                for (int i = 0; i < quantity; i++)
                {
                    player.AddItemToInventory(World.ItemByID(id));
                }
            }

            foreach (XmlNode node in playerData.SelectNodes("/Player/PlayerQuests/PlayerQuest"))
            {
                int id = Convert.ToInt32(node.Attributes["ID"].Value);
                bool isCompleted = Convert.ToBoolean(node.Attributes["IsCompleted"].Value);

                PlayerQuest playerQuest = new PlayerQuest(World.QuestByID(id));
                playerQuest.IsCompleted = isCompleted;

                player.Quests.Add(playerQuest);
            }

            return player;
        }
        catch
        {
            //If there was an error with the XML data, return a default player object
            return Player.CreateDefaultPlayer();
        }
    }

Answer 1

問題是當游戲經過try代碼塊時出現錯誤。 這導致它移動到catch塊並創建一個默認播放器。 搜索currentHitPoints的代碼行中的字符串是拼寫錯誤的，Visual Studio不會將其視為錯誤，因為它是傳遞給XML函數的字符串。

int currentHitPoints = Convert.ToInt32(playerData.SelectSingleNode("/Player/Stats/CurrentHItPoints").InnerText);

"/Player/Stats/CurrentHItPoints"應為"/Player/Stats/CurrentHitPoints"