From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Ivan Pekov <ivan@mrivanplays.com>
Date: Wed, 26 Aug 2020 10:48:41 +0300
Subject: [PATCH] Fix recipe crash

Caused due to slow streams, was kabooming tps when you were crafting F A S T

diff --git a/src/main/java/net/minecraft/server/CraftingManager.java b/src/main/java/net/minecraft/server/CraftingManager.java
index 64adf87f2fe9921e49bf7a76170bb9908dfdaf19..de7d5ed8d6260ce5ee4164df29cdaf69f561045c 100644
--- a/src/main/java/net/minecraft/server/CraftingManager.java
+++ b/src/main/java/net/minecraft/server/CraftingManager.java
@@ -78,9 +78,15 @@ public class CraftingManager extends ResourceDataJson {
 
     public <C extends IInventory, T extends IRecipe<C>> Optional<T> craft(Recipes<T> recipes, C c0, World world) {
         // CraftBukkit start
+        // Yatopia start - replace stream
+        List<IRecipe<C>> collection = new java.util.ArrayList<>(this.b(recipes).values());
+        Optional<T> recipe = collection.isEmpty() ? Optional.empty() : recipes.a(collection.get(0), world, c0);
+        /*
         Optional<T> recipe = this.b(recipes).values().stream().flatMap((irecipe) -> {
             return SystemUtils.a(recipes.a(irecipe, world, c0));
         }).findFirst();
+         */
+        // Yatopia end
         c0.setCurrentRecipe(recipe.orElse(null)); // CraftBukkit - Clear recipe when no recipe is found
         // CraftBukkit end
         // Yatopia start
@@ -111,11 +117,20 @@ public class CraftingManager extends ResourceDataJson {
     }
 
     public <C extends IInventory, T extends IRecipe<C>> List<T> b(Recipes<T> recipes, C c0, World world) {
+        // Yatopia start - WHY?! WHO DID THIS TO YOU!?!
+        Collection<IRecipe<C>> recipeCollection = this.b(recipes).values();
+        if (recipeCollection.isEmpty()) return java.util.Collections.emptyList();
+        List<T> ret = new java.util.ArrayList<>();
+        for (IRecipe<C> iRecipe : recipeCollection) recipes.a(iRecipe, world, c0).ifPresent(ret::add);
+        ret.sort(Comparator.comparing((iRecipe) -> iRecipe.getResult().getTranslationKey()));
+        return ret;
+        /*
         return (List) this.b(recipes).values().stream().flatMap((irecipe) -> {
             return SystemUtils.a(recipes.a(irecipe, world, c0));
         }).sorted(Comparator.comparing((irecipe) -> {
             return irecipe.getResult().j();
         })).collect(Collectors.toList());
+         */ // Yatopia end
     }
 
     private <C extends IInventory, T extends IRecipe<C>> Map<MinecraftKey, IRecipe<C>> b(Recipes<T> recipes) {
diff --git a/src/main/java/net/minecraft/server/ItemStack.java b/src/main/java/net/minecraft/server/ItemStack.java
index 3adb29f004d2fee36f3ee9b21ee5417e84b64837..dbb2fee9f48e99ccaa6382563227c722e04797e9 100644
--- a/src/main/java/net/minecraft/server/ItemStack.java
+++ b/src/main/java/net/minecraft/server/ItemStack.java
@@ -570,6 +570,7 @@ public final class ItemStack {
         return !this.e() ? this.doMaterialsMatch(itemstack) : !itemstack.isEmpty() && this.getItem() == itemstack.getItem();
     }
 
+    public final String getTranslationKey() { return j(); } // Yatopia
     public String j() {
         return this.getItem().f(this);
     }