From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: NONPLAYT <76615486+NONPLAYT@users.noreply.github.com>
Date: Sun, 15 Dec 2024 23:32:36 +0300
Subject: [PATCH] Carpet-Fixes: RecipeManager Optimize

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 2483627f807d7a3907f6848a8bc45d7a798e746d..01b63bf331a39b5fb23734f72a4f9880a98094b2 100644
--- a/src/main/java/net/minecraft/world/item/crafting/RecipeManager.java
+++ b/src/main/java/net/minecraft/world/item/crafting/RecipeManager.java
@@ -197,7 +197,7 @@ 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); // DivineMC - 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..2d289139f80855f07121861b1f840058f0bc9ec1 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);
         });
     }
+
+    // DivineMC 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;
+    }
+    // DivineMC end - Carpet-Fixes - Remove streams to be faster
 }