From 85cb9c653d1394f6e5e20ecc9eb7d8cfbe162784 Mon Sep 17 00:00:00 2001
From: Micle <micle@micle.dev>
Date: Wed, 12 Jan 2022 17:20:33 +0000
Subject: [PATCH] Added new RecipeUpdateEventHandler for refreshing recipe list
 when config file changes.

---
 .../event/RecipeUpdateEventHandler.java       | 65 +++++++++++++++++++
 .../totemofreviving/setup/Registration.java   | 19 ++++--
 2 files changed, 77 insertions(+), 7 deletions(-)
 create mode 100644 src/main/java/dev/micle/totemofreviving/event/RecipeUpdateEventHandler.java

diff --git a/src/main/java/dev/micle/totemofreviving/event/RecipeUpdateEventHandler.java b/src/main/java/dev/micle/totemofreviving/event/RecipeUpdateEventHandler.java
new file mode 100644
index 0000000..93544d6
--- /dev/null
+++ b/src/main/java/dev/micle/totemofreviving/event/RecipeUpdateEventHandler.java
@@ -0,0 +1,65 @@
+package dev.micle.totemofreviving.event;
+
+import dev.micle.totemofreviving.TotemOfReviving;
+import dev.micle.totemofreviving.config.Config;
+import dev.micle.totemofreviving.item.StrawTotemItem;
+import net.minecraft.client.Minecraft;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.crafting.IRecipe;
+import net.minecraft.item.crafting.RecipeManager;
+import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.api.distmarker.OnlyIn;
+import net.minecraftforge.event.entity.EntityJoinWorldEvent;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+import net.minecraftforge.fml.config.ModConfig;
+
+import java.util.ArrayList;
+
+public class RecipeUpdateEventHandler {
+	public static class ModBus {
+		@SubscribeEvent
+		@OnlyIn(Dist.CLIENT)
+		public void onModConfigReloadEvent(ModConfig.Reloading event) {
+			if (!event.getConfig().getModId().equals(TotemOfReviving.MOD_ID)) {
+				return;
+			}
+			if (Minecraft.getInstance().getSingleplayerServer() != null) {
+				updateRecipeManager(Minecraft.getInstance().getSingleplayerServer().getRecipeManager());
+				return;
+			}
+			if (Minecraft.getInstance().getConnection() != null) {
+				updateRecipeManager(Minecraft.getInstance().getConnection().getRecipeManager());
+				return;
+			}
+			System.out.println("FAILED TO GET RECIPE MANAGER!");
+		}
+	}
+	
+	public static class EventBus {
+		@SubscribeEvent
+		@OnlyIn(Dist.CLIENT)
+		public void onPlayerJoinEvent(EntityJoinWorldEvent event) {
+			if (!(event.getEntity() instanceof PlayerEntity)) { return; }
+			updateRecipeManager(event.getEntity().level.getRecipeManager());
+		}
+	}
+	
+	private static void updateRecipeManager(RecipeManager recipeManager) {
+		ArrayList<IRecipe<?>> newRecipes = new ArrayList<>();
+		for (IRecipe<?> recipe : recipeManager.getRecipes()) {
+			if (recipe.getResultItem().getItem() instanceof StrawTotemItem) {
+				StrawTotemItem.setRecipe(recipe);
+				if (!Config.Server.getStrawTotemConfig().getIsEnabled()) {
+					continue;
+				}
+			}
+			newRecipes.add(recipe);
+		}
+		
+		if (!newRecipes.contains(StrawTotemItem.getRecipe()) && Config.Server.getStrawTotemConfig().getIsEnabled()) {
+			newRecipes.add(StrawTotemItem.getRecipe());
+		}
+		
+		recipeManager.replaceRecipes(newRecipes);
+	}
+}
diff --git a/src/main/java/dev/micle/totemofreviving/setup/Registration.java b/src/main/java/dev/micle/totemofreviving/setup/Registration.java
index a690687..4db7989 100755
--- a/src/main/java/dev/micle/totemofreviving/setup/Registration.java
+++ b/src/main/java/dev/micle/totemofreviving/setup/Registration.java
@@ -1,23 +1,28 @@
 package dev.micle.totemofreviving.setup;
 
 import dev.micle.totemofreviving.TotemOfReviving;
-import net.minecraft.block.Block;
+import dev.micle.totemofreviving.event.RecipeUpdateEventHandler;
 import net.minecraft.item.Item;
+import net.minecraftforge.common.MinecraftForge;
 import net.minecraftforge.eventbus.api.IEventBus;
 import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;
-import net.minecraftforge.registries.*;
+import net.minecraftforge.registries.DeferredRegister;
+import net.minecraftforge.registries.ForgeRegistries;
+import net.minecraftforge.registries.IForgeRegistry;
+import net.minecraftforge.registries.IForgeRegistryEntry;
 
 public class Registration {
-    public static final DeferredRegister<Block> BLOCKS = create(ForgeRegistries.BLOCKS);
     public static final DeferredRegister<Item> ITEMS = create(ForgeRegistries.ITEMS);
 
     public static void register() {
-        IEventBus eventBus = FMLJavaModLoadingContext.get().getModEventBus();
+        IEventBus modEventBus = FMLJavaModLoadingContext.get().getModEventBus();
 		
-        BLOCKS.register(eventBus);
-        ITEMS.register(eventBus);
-
+        ITEMS.register(modEventBus);
         ModItems.register();
+		
+		modEventBus.register(new RecipeUpdateEventHandler.ModBus());
+	
+		MinecraftForge.EVENT_BUS.register(new RecipeUpdateEventHandler.EventBus());
     }
 	
 	private static <T extends IForgeRegistryEntry<T>> DeferredRegister<T> create(IForgeRegistry<T> registry) {