LegsLayer.cs

using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using System.Collections.Generic;
using Terraria;
using Terraria.DataStructures;
using Terraria.ModLoader;

namespace ClickerClass.DrawLayers
{
	//Items manually register data which this layer is using
	public sealed class LegsLayer : PlayerDrawLayer
	{
		private static Dictionary<int, DrawLayerData> LegsLayerData { get; set; }

		/// <summary>
		/// Add data associated with the leg equip slot here, usually in <see cref="ModType.SetStaticDefaults"/>.
		/// <para>Don't forget the !Main.dedServ check!</para>
		/// </summary>
		/// <param name="legSlot">Leg equip slot</param>
		/// <param name="data">Data</param>
		public static void RegisterData(int legSlot, DrawLayerData data)
		{
			if (!LegsLayerData.ContainsKey(legSlot))
			{
				LegsLayerData.Add(legSlot, data);
			}
		}

		public override void Load()
		{
			LegsLayerData = new Dictionary<int, DrawLayerData>();
		}

		public override void Unload()
		{
			LegsLayerData = null;
		}

		public override Position GetDefaultPosition()
		{
			return new AfterParent(PlayerDrawLayers.Leggings);
		}

		public override bool GetDefaultVisibility(PlayerDrawSet drawInfo)
		{
			Player drawPlayer = drawInfo.drawPlayer;
			if (drawPlayer.dead || drawPlayer.invis || drawPlayer.legs == -1)
			{
				return false;
			}
			return true;
		}

		protected override void Draw(ref PlayerDrawSet drawInfo)
		{
			Player drawPlayer = drawInfo.drawPlayer;

			if (!LegsLayerData.TryGetValue(drawPlayer.legs, out DrawLayerData data))
			{
				return;
			}

			Color color = drawPlayer.GetImmuneAlphaPure(data.Color(drawInfo), drawInfo.shadow);
			Texture2D texture = data.Texture.Value;

			if (drawInfo.isSitting && (!DrawLayerHelper.ShouldOverrideLegs_CheckShoes(ref drawInfo) || drawPlayer.wearsRobe))
			{
				DrawLayerHelper.DrawSittingLegsMethod(ref drawInfo, texture, color, drawInfo.cLegs);
				return;
			}

			Vector2 drawPos = drawInfo.Position - Main.screenPosition + new Vector2(drawPlayer.width / 2 - drawPlayer.legFrame.Width / 2, drawPlayer.height - drawPlayer.legFrame.Height + 4f) + drawPlayer.legPosition;
			Vector2 legsOffset = drawInfo.legsOffset;
			DrawData drawData = new DrawData(texture, drawPos.Floor() + legsOffset, drawPlayer.legFrame, color, drawPlayer.legRotation, legsOffset, 1f, drawInfo.playerEffect, 0)
			{
				shader = drawInfo.cLegs
			};
			drawInfo.DrawDataCache.Add(drawData);
		}
	}
}