Patches.cs

using System;
using System.Diagnostics;
using System.Linq;
using Terraria;

namespace RecipeBrowser
{
	public static class Patches
	{
		private static bool AdjTilesActive = false;
		public static void Apply()
		{
			// Patches are automatically unapplied on unload by TerrariaHooks. -ade

			// This patch Invalidates the precomputed extended craft unless the reason for FindRecipes was just AdjTiles, since we ignore AdjTiles changes.
			if(!Main.dedServ)
				Terraria.On_Recipe.FindRecipes += (orig, canDelayCheck) =>
				{
					orig(canDelayCheck);

					if(!AdjTilesActive)
					//if (!new StackTrace().GetFrames().Any(x => x.GetMethod().Name.StartsWith("AdjTiles")))
					{
						RecipeCatalogueUI.instance.InvalidateExtendedCraft();
						//Main.NewText("FindRecipes postfix: InvalidateExtendedCraft");
					}
					else
					{
						//Main.NewText("FindRecipes postfix: skipped");
					}
				};

			// This patch will call FindRecipes even if the player inventory is closed, keeping Craft tool buttons accurate.
			Terraria.On_Player.AdjTiles += (orig, player) => {
				AdjTilesActive = true;
				orig(player);

				// AdjTiles does the opposite. This way recipes will be calculated 
				if (!Main.playerInventory && RecipeBrowserUI.instance.ShowRecipeBrowser) // Inverted condition.
				{
					bool flag = false;
					for (int l = 0; l < Main.LocalPlayer.adjTile.Length; l++) {
						if (Main.LocalPlayer.oldAdjTile[l] != Main.LocalPlayer.adjTile[l]) {
							flag = true;
							break;
						}
					}
					if (Main.LocalPlayer.adjWater != Main.LocalPlayer.oldAdjWater) {
						flag = true;
					}
					if (Main.LocalPlayer.adjHoney != Main.LocalPlayer.oldAdjHoney) {
						flag = true;
					}
					if (Main.LocalPlayer.adjLava != Main.LocalPlayer.oldAdjLava) {
						flag = true;
					}
					if (flag) {
						Recipe.FindRecipes();
					}
				}
				AdjTilesActive = false;
			};
		}

	}
}