DivineMC/patches/server/0029-lithium-cached_hashcode.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: NONPLAYT <76615486+NONPLAYT@users.noreply.github.com>
Date: Sat, 8 Apr 2023 01:40:11 +0300
Subject: [PATCH] lithium: cached_hashcode


diff --git a/src/main/java/net/minecraft/world/level/block/Block.java b/src/main/java/net/minecraft/world/level/block/Block.java
index 773162c3456945605fb664114508622f7d2fcec8..cc4a2bafc319fb54e8d1168cba85746c5dfafbc2 100644
--- a/src/main/java/net/minecraft/world/level/block/Block.java
+++ b/src/main/java/net/minecraft/world/level/block/Block.java
@@ -663,11 +663,18 @@ public class Block extends BlockBehaviour implements ItemLike {
         private final BlockState first;
         private final BlockState second;
         private final Direction direction;
+        private final int hash; // DivineMC - lithium: cached_hashcode
 
         public BlockStatePairKey(BlockState self, BlockState other, Direction facing) {
             this.first = self;
             this.second = other;
             this.direction = facing;
+            // DivineMC start - lithium: cached_hashcode
+            int hash = this.first.hashCode();
+            hash = 31 * hash + this.second.hashCode();
+            hash = 31 * hash + this.direction.hashCode();
+            this.hash = hash;
+            // DivineMC end
         }
 
         public boolean equals(Object object) {
@@ -683,11 +690,7 @@ public class Block extends BlockBehaviour implements ItemLike {
         }
 
         public int hashCode() {
-            int i = this.first.hashCode();
-
-            i = 31 * i + this.second.hashCode();
-            i = 31 * i + this.direction.hashCode();
-            return i;
+            return this.hash; // DivineMC - lithium: cached_hashcode
         }
     }
 }