HelpCommand.cs

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using System.Collections.Generic;
using Microsoft.Xna.Framework;
using Terraria.Localization;
 
namespace Terraria.Chat.Commands;
 
[ChatCommand("Help")]
public class HelpCommand : IChatCommand
{
    private static readonly Color RESPONSE_COLOR = new Color(255, 240, 20);
 
    public void ProcessIncomingMessage(string text, byte clientId)
    {
        ChatHelper.SendChatMessageToClient(ComposeMessage(GetCommandAliasesByID()), RESPONSE_COLOR, clientId);
    }
 
    private static Dictionary<string, List<LocalizedText>> GetCommandAliasesByID()
    {
        object substitutions = Lang.CreateDialogSubstitutionObject();
        LocalizedText[] array = Language.FindAll(Lang.CreateDialogFilter("ChatCommandDescription.", substitutions));
        Dictionary<string, List<LocalizedText>> dictionary = new Dictionary<string, List<LocalizedText>>();
        LocalizedText[] array2 = array;
        foreach (LocalizedText localizedText in array2)
        {
            string key = localizedText.Key;
            key = key.Replace("ChatCommandDescription.", "");
            int num = key.IndexOf('_');
            if (num != -1)
            {
                key = key.Substring(0, num);
            }
            if (!dictionary.TryGetValue(key, out var value))
            {
                value = (dictionary[key] = new List<LocalizedText>());
            }
            value.Add(localizedText);
        }
        return dictionary;
    }
 
    private static NetworkText ComposeMessage(Dictionary<string, List<LocalizedText>> aliases)
    {
        string text = "";
        for (int i = 0; i < aliases.Count; i++)
        {
            text = text + "{" + i + "}\n";
        }
        List<NetworkText> list = new List<NetworkText>();
        foreach (KeyValuePair<string, List<LocalizedText>> alias in aliases)
        {
            list.Add(Language.GetText("ChatCommandDescription." + alias.Key).ToNetworkText());
        }
        string text2 = text;
        object[] substitutions = list.ToArray();
        return NetworkText.FromFormattable(text2, substitutions);
    }
 
    public void ProcessOutgoingMessage(ChatMessage message)
    {
    }
}