PingMapLayer.cs

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using System;
using System.Collections.Generic;
using Microsoft.Xna.Framework;
using ReLogic.Utilities;
using Terraria.DataStructures;
using Terraria.GameContent;
using Terraria.UI;
 
namespace Terraria.Map;
 
public class PingMapLayer : IMapLayer
{
    private struct Ping
    {
        public readonly Vector2 Position;
 
        public readonly DateTime Time;
 
        public Ping(Vector2 position)
        {
            Position = position;
            Time = DateTime.Now;
        }
    }
 
    private const double PING_DURATION_IN_SECONDS = 15.0;
 
    private const double PING_FRAME_RATE = 10.0;
 
    private readonly SlotVector<Ping> _pings = new SlotVector<Ping>(100);
 
    public void Draw(ref MapOverlayDrawContext context, ref string text)
    {
        //IL_001e: Unknown result type (might be due to invalid IL or missing references)
        //IL_0023: Unknown result type (might be due to invalid IL or missing references)
        //IL_0024: Unknown result type (might be due to invalid IL or missing references)
        //IL_0090: Unknown result type (might be due to invalid IL or missing references)
        //IL_0091: Unknown result type (might be due to invalid IL or missing references)
        SpriteFrame frame = new SpriteFrame(1, 5);
        DateTime now = DateTime.Now;
        foreach (ItemPair<Ping> item in (IEnumerable<ItemPair<Ping>>)_pings)
        {
            Ping value = item.Value;
            double totalSeconds = (now - value.Time).TotalSeconds;
            int num = (int)(totalSeconds * 10.0);
            frame.CurrentRow = (byte)(num % frame.RowCount);
            context.Draw(TextureAssets.MapPing.Value, value.Position, frame, Alignment.Center);
            if (totalSeconds > 15.0)
            {
                _pings.Remove(item.Id);
            }
        }
    }
 
    public void Add(Vector2 position)
    {
        //IL_0025: Unknown result type (might be due to invalid IL or missing references)
        if (_pings.Count != _pings.Capacity)
        {
            _pings.Add(new Ping(position));
        }
    }
}