SacrificeAutoloader.cs

using System;
using System.Linq;
using Terraria;
using Terraria.GameContent.Creative;
using Terraria.ID;
using Terraria.ModLoader;
using Terraria.ModLoader.Core;
using Verdant.Items.Verdant;

namespace Verdant;

/// <summary>Copied from my implementation of the same name in Spirit.</summary>
public class SacrificeAutoloader
{
	public static void Load(Mod mod)
	{
        var types = AssemblyManager.GetLoadableTypes(mod.Code).Where(x => typeof(ModItem).IsAssignableFrom(x) && !x.IsAbstract);
		foreach (var info in types)
		{
			if (!mod.TryFind(info.Name, out ModItem modItem))
				continue;

			int type = modItem.Type;

			if (Attribute.IsDefined(info, typeof(SacrificeAttribute)))
			{
				SacrificeAttribute attr = Attribute.GetCustomAttribute(info, typeof(SacrificeAttribute)) as SacrificeAttribute;
				CreativeItemSacrificesCatalog.Instance.SacrificeCountNeededByItemId[type] = attr.Count;
				continue;
			}

			Item item = new Item(type);

			bool placesTile = item.createTile >= TileID.Dirt;
			bool placesWall = item.createWall > WallID.None;
			bool isWeapon = item.damage > 0 || item.mana > 0;
			bool accessoryOrArmor = item.accessory || item.defense > 0 || Attribute.IsDefined(info, typeof(AutoloadEquip));

			if (placesTile) //Tiles
				CreativeItemSacrificesCatalog.Instance.SacrificeCountNeededByItemId[type] = 100;
			else if (placesWall) //Walls
				CreativeItemSacrificesCatalog.Instance.SacrificeCountNeededByItemId[type] = 400;
			else if (isWeapon) //Weapons
			{
				if (item.consumable) //Consumable weapons
					CreativeItemSacrificesCatalog.Instance.SacrificeCountNeededByItemId[type] = 99;
				else //Non-consumable weapons
					CreativeItemSacrificesCatalog.Instance.SacrificeCountNeededByItemId[type] = 1;
			}
			else if (accessoryOrArmor) //Accessories or armor
				CreativeItemSacrificesCatalog.Instance.SacrificeCountNeededByItemId[type] = 1;
			else //Everything else, namely materials
				CreativeItemSacrificesCatalog.Instance.SacrificeCountNeededByItemId[type] = 25;
		}
	}
}