LootModWorld.cs

using System;
using System.Collections.Generic;
using Terraria.ModLoader;
using Terraria.ModLoader.IO;
using Terraria.World.Generation;

namespace Loot
{
	/// <summary>
	/// This class is responsible for generating modifiers when a world is being created.
	/// </summary>
	public class LootModWorld : ModWorld
	{
		// The world has not initialized yet, when it is first updated
		public static bool Initialized { get; internal set; }

		public override void Initialize()
		{
			Initialized = false;
		}

		public override TagCompound Save()
		{
			return new TagCompound
			{
				{"initialized", Initialized}
			};
		}

		public override void Load(TagCompound tag)
		{
			try
			{
				Initialized = tag.GetBool("initialized");
			}
			catch (Exception e)
			{
				Loot.Logger.Error("Error on EMMWorld.Load", e);
			}
		}

		public override void PostUpdate()
		{
			if (Initialized)
			{
				return;
			}

			Initialized = true;
			//foreach (var chest in Main.chest.Where(chest => chest != null && chest.x > 0 && chest.y > 0))
			//{
			//	WorldGenModifiersPass.GenerateModifiers(null, ModifierContextMethod.FirstLoad, chest.item.Where(x => !x.IsAir), chest);
			//}
		}

		// TODO hardmode task, generate better modifiers in new biomes etc.

		public override void ModifyWorldGenTasks(List<GenPass> tasks, ref float totalWeight)
		{
			//tasks.Add(new WorldGenModifiersPass("EvenMoreModifiers:WorldGenModifiersPass", 1));
		}

		//internal sealed class WorldGenModifiersPass : GenPass
		//{
		//	public WorldGenModifiersPass(string name, float loadWeight) : base(name, loadWeight)
		//	{
		//	}

		//	// Attempt rolling modifiers on items
		//	internal static void GenerateModifiers(GenerationProgress progress, ModifierContextMethod method, IEnumerable<Item> items, object obj = null)
		//	{
		//		if (progress != null)
		//		{
		//			progress.Message = "Generating modifiers on generated items...";
		//		}

		//		foreach (var item in items)
		//		{
		//			LootModItem itemInfo = LootModItem.GetInfo(item);
		//			ModifierPool pool = itemInfo.ModifierPool;
		//			UnifiedRandom rand = (Main.rand ?? WorldGen.genRand) ?? new UnifiedRandom();

		//			if (itemInfo.HasRolled || pool != null)
		//				continue;

		//			itemInfo.HasRolled = true;

		//			if (rand != null && rand.NextBool())
		//				continue;
					
		//			ModifierContext ctx = new ModifierContext
		//			{
		//				Method = method,
		//				Item = item,
		//				Strategy = RollingUtils.Strategies.Normal
		//			};

		//			switch (obj)
		//			{
		//				case Chest chest:
		//					ctx.CustomData = new Dictionary<string, object>
		//					{
		//						{"chestData", new Tuple<int, int>(chest.x, chest.y)}
		//					};
		//					break;
		//				case Player player:
		//					ctx.Player = player;
		//					break;
		//			}

		//			pool = itemInfo.RollNewPool(ctx, RollingUtils.Properties.WorldGen);
		//			pool?.ApplyModifiers(item);
		//		}
		//	}

		//	public override void Apply(GenerationProgress progress)
		//	{
		//		Initialized = true;
		//		foreach (var chest in Main.chest.Where(chest => chest != null && chest.x > 0 && chest.y > 0))
		//		{
		//			GenerateModifiers(progress,
		//				ModifierContextMethod.WorldGeneration,
		//				chest.item.Where(x => x != null && !x.IsAir && x.IsModifierRollableItem()),
		//				chest);
		//		}
		//	}
		//}
	}
}