RemadeChatMonitor.cs

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using System;
using System.Collections.Generic;
using Microsoft.Xna.Framework;
using Terraria.UI.Chat;
 
namespace Terraria.GameContent.UI.Chat;
 
public class RemadeChatMonitor : IChatMonitor
{
    private const int MaxMessages = 500;
 
    private int _showCount;
 
    private int _startChatLine;
 
    private List<ChatMessageContainer> _messages;
 
    private bool _recalculateOnNextUpdate;
 
    public RemadeChatMonitor()
    {
        _showCount = 10;
        _startChatLine = 0;
        _messages = new List<ChatMessageContainer>();
    }
 
    public void NewText(string newText, byte R = byte.MaxValue, byte G = byte.MaxValue, byte B = byte.MaxValue)
    {
        AddNewMessage(newText, new Color(R, G, B));
    }
 
    public void NewTextMultiline(string text, bool force = false, Color c = default(Color), int WidthLimit = -1)
    {
        AddNewMessage(text, c, WidthLimit);
    }
 
    public void AddNewMessage(string text, Color color, int widthLimitInPixels = -1)
    {
        ChatMessageContainer chatMessageContainer = new ChatMessageContainer();
        chatMessageContainer.SetContents(text, color, widthLimitInPixels);
        _messages.Insert(0, chatMessageContainer);
        while (_messages.Count > 500)
        {
            _messages.RemoveAt(_messages.Count - 1);
        }
    }
 
    public void DrawChat(bool drawingPlayerChat)
    {
        int num = _startChatLine;
        int num2 = 0;
        int num3 = 0;
        while (num > 0 && num2 < _messages.Count)
        {
            int num4 = Math.Min(num, _messages[num2].LineCount);
            num -= num4;
            num3 += num4;
            if (num3 == _messages[num2].LineCount)
            {
                num3 = 0;
                num2++;
            }
        }
        int num5 = 0;
        int? num6 = null;
        int snippetIndex = -1;
        int? num7 = null;
        int hoveredSnippet = -1;
        while (num5 < _showCount && num2 < _messages.Count)
        {
            ChatMessageContainer chatMessageContainer = _messages[num2];
            if (!chatMessageContainer.Prepared || !(drawingPlayerChat | chatMessageContainer.CanBeShownWhenChatIsClosed))
            {
                break;
            }
            TextSnippet[] snippetWithInversedIndex = chatMessageContainer.GetSnippetWithInversedIndex(num3);
            ChatManager.DrawColorCodedStringWithShadow(Main.spriteBatch, FontAssets.MouseText.Value, snippetWithInversedIndex, new Vector2(88f, Main.screenHeight - 30 - 28 - num5 * 21), 0f, Vector2.Zero, Vector2.One, out hoveredSnippet);
            if (hoveredSnippet >= 0)
            {
                num7 = hoveredSnippet;
                num6 = num2;
                snippetIndex = num3;
            }
            num5++;
            num3++;
            if (num3 >= chatMessageContainer.LineCount)
            {
                num3 = 0;
                num2++;
            }
        }
        if (num6.HasValue && num7.HasValue)
        {
            TextSnippet[] snippetWithInversedIndex2 = _messages[num6.Value].GetSnippetWithInversedIndex(snippetIndex);
            snippetWithInversedIndex2[num7.Value].OnHover();
            if (Main.mouseLeft && Main.mouseLeftRelease)
            {
                snippetWithInversedIndex2[num7.Value].OnClick();
            }
        }
    }
 
    public void Clear()
    {
        _messages.Clear();
    }
 
    public void Update()
    {
        if (_recalculateOnNextUpdate)
        {
            _recalculateOnNextUpdate = false;
            for (int i = 0; i < _messages.Count; i++)
            {
                _messages[i].MarkToNeedRefresh();
            }
        }
        for (int j = 0; j < _messages.Count; j++)
        {
            _messages[j].Update();
        }
    }
 
    public void Offset(int linesOffset)
    {
        _startChatLine += linesOffset;
        ClampMessageIndex();
    }
 
    private void ClampMessageIndex()
    {
        int num = 0;
        int num2 = 0;
        int num3 = 0;
        int num4 = _startChatLine + _showCount;
        while (num < num4 && num2 < _messages.Count)
        {
            int num5 = Math.Min(num4 - num, _messages[num2].LineCount);
            num += num5;
            if (num < num4)
            {
                num2++;
                num3 = 0;
            }
            else
            {
                num3 = num5;
            }
        }
        int num6 = _showCount;
        while (num6 > 0 && num > 0)
        {
            num3--;
            num6--;
            num--;
            if (num3 < 0)
            {
                num2--;
                if (num2 == -1)
                {
                    break;
                }
                num3 = _messages[num2].LineCount - 1;
            }
        }
        _startChatLine = num;
    }
 
    public void ResetOffset()
    {
        _startChatLine = 0;
    }
 
    public void OnResolutionChange()
    {
        _recalculateOnNextUpdate = true;
    }
}