From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: nostalgic853 <yuu8583@proton.me>
Date: Tue, 25 Oct 2022 00:57:45 +0800
Subject: [PATCH] Carpet-Fixes: Use optimized RecipeManager

This patch is based on the following mixin:
"carpetfixes/mixins/optimizations/RecipeManager_fasterMixin.java"
By: fxmorin <28154542+fxmorin@users.noreply.github.com>

Original license: MIT
Original project: https://github.com/fxmorin/carpet-fixes

Optimized the RecipeManager getFirstMatch call to be up to 3x faster
This is a fully vanilla optimization. Improves: [Blast]Furnace/Campfire/Smoker/Stonecutter/Crafting/Sheep Color Choosing
This was mostly made for the auto crafting table, since the performance boost is much more visible while using that mod

diff --git a/src/main/java/net/minecraft/world/item/crafting/RecipeManager.java b/src/main/java/net/minecraft/world/item/crafting/RecipeManager.java
index f6dd363ececf967d282f5ba713013085da1ddf37..1e05a89a4e4e3a5d2fa9f7dc72fd89a9e0d93468 100644
--- a/src/main/java/net/minecraft/world/item/crafting/RecipeManager.java
+++ b/src/main/java/net/minecraft/world/item/crafting/RecipeManager.java
@@ -195,7 +195,7 @@ public class RecipeManager extends SimplePreparableReloadListener<RecipeMap> imp
 
     public <I extends RecipeInput, T extends Recipe<I>> Optional<RecipeHolder<T>> getRecipeFor(RecipeType<T> type, I input, Level world) {
         // CraftBukkit start
-        List<RecipeHolder<T>> list = this.recipes.getRecipesFor(type, input, world).toList();
+        List<RecipeHolder<T>> list = this.recipes.getRecipesForList(type, input, world); // Leaf - Carpet-Fixes - Remove streams to be faster
         return (list.isEmpty()) ? Optional.empty() : Optional.of(list.getLast()); // CraftBukkit - SPIGOT-4638: last recipe gets priority
         // CraftBukkit end
     }
diff --git a/src/main/java/net/minecraft/world/item/crafting/RecipeMap.java b/src/main/java/net/minecraft/world/item/crafting/RecipeMap.java
index c4067fbf827fed882772962a0e4b3ead0d642e62..c62ecec9bbc40f66b84d384bacf39d6d09e10a61 100644
--- a/src/main/java/net/minecraft/world/item/crafting/RecipeMap.java
+++ b/src/main/java/net/minecraft/world/item/crafting/RecipeMap.java
@@ -105,4 +105,24 @@ public class RecipeMap {
             return recipeholder.value().matches(input, world);
         });
     }
+
+    // Leaf start - Carpet-Fixes - Remove streams to be faster
+    public <I extends RecipeInput, T extends Recipe<I>> java.util.List<RecipeHolder<T>> getRecipesForList(RecipeType<T> type, I input, Level world) {
+        java.util.List<RecipeHolder<T>> list;
+
+        if (input.isEmpty()) {
+            return java.util.List.of();
+        } else {
+            list = new java.util.ArrayList<>();
+        }
+
+        for (RecipeHolder<T> recipeholder : this.byType(type)) {
+            if (recipeholder.value().matches(input, world)) {
+                list.add(recipeholder);
+            }
+        }
+
+        return list;
+    }
+    // Leaf end - Carpet-Fixes - Remove streams to be faster
 }