Added support for animated items to the map

MapHelper.cs

@@ -1,8 +1,8 @@
-using Microsoft.Xna.Framework;
-using System.Linq;
+using System;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
 using Terraria;
 using Terraria.DataStructures;
-using Terraria.GameContent;
 using Terraria.ID;
 using Terraria.Map;
 using Terraria.ModLoader;
@@ -19,9 +19,21 @@ public override void Draw(ref MapOverlayDrawContext context, ref string text) {
 				if (!IsWhitelistedItem(item.type))
 					continue; // do not draw items that are inacive or not whitelisted
 
-				Main.instance.LoadItem(item.type); // Items SHOULD already be loaded, but in case it isn't have a backup
+				// Using vanilla function to get the item frame and texture, also takes care of loading the texture.
+				Main.GetItemDrawFrame(item.type, out Texture2D itemTexture, out Rectangle itemFrame); 
+
+				// Assuming all frames have an equal width and height, calculate the
+				// amount of columns and rows the spritesheet is supposed to have.
+				int columns = itemTexture.Width / Math.Max(1, itemFrame.Width);
+				int rows = itemTexture.Height / Math.Max(1, itemFrame.Height);
 
-				if (context.Draw(TextureAssets.Item[item.type].Value, item.VisualPosition / 16, Color.White, new SpriteFrame(1, 1, 0, 0), 1f, 1.2f, Alignment.Center).IsMouseOver)
+				SpriteFrame spriteFrame = new SpriteFrame(
+					(byte)columns,
+					(byte)rows,
+					(byte)(itemFrame.X / Math.Max(1, itemTexture.Width / Math.Max(1, columns))),
+					(byte)(itemFrame.Y / Math.Max(1, itemTexture.Height / Math.Max(1, rows))));
+
+				if (context.Draw(itemTexture, item.VisualPosition / 16, Color.White, spriteFrame, 1f, 1.2f, Alignment.Center).IsMouseOver)
 					text = item.HoverName; // Display the item's hover name when hovering over the icon
 			}
 		}