From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: HaHaWTH <102713261+HaHaWTH@users.noreply.github.com>
Date: Tue, 22 Oct 2024 17:07:36 +0800
Subject: [PATCH] Cache blockstate cache


diff --git a/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java b/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java
index 9b94d8bf3415734776c81297d5d34eea46ad7e78..65d8ac795282117ba88003e7a703ee649a359473 100644
--- a/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java
+++ b/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java
@@ -1438,6 +1438,10 @@ public abstract class BlockBehaviour implements FeatureElement {
 
             private static final Direction[] DIRECTIONS = Direction.values();
             private static final int SUPPORT_TYPE_COUNT = SupportType.values().length;
+            // Leaf start - Cache blockstate cache array
+            private static final SupportType[] SUPPORT_TYPE_VALUES = SupportType.values();
+            private static final Direction.Axis[] DIRECTION_AXIS_VALUES = Direction.Axis.values();
+            // Leaf end - Cache blockstate cache array
             protected final VoxelShape collisionShape;
             protected boolean largeCollisionShape; // Leaf - not final
             private final boolean[] faceSturdy;
@@ -1451,7 +1455,7 @@ public abstract class BlockBehaviour implements FeatureElement {
                     throw new IllegalStateException(String.format(Locale.ROOT, "%s has a collision shape and an offset type, but is not marked as dynamicShape in its properties.", BuiltInRegistries.BLOCK.getKey(block)));
                 } else {
                     // Leaf start - Remove stream
-                    for (Direction.Axis axis : Direction.Axis.values()) {
+                    for (Direction.Axis axis : DIRECTION_AXIS_VALUES) { // Leaf - Cache blockstate cache array
                         if (this.collisionShape.min(axis) < 0.0D || this.collisionShape.max(axis) > 1.0D) {
                             this.largeCollisionShape = true;
                             break;
@@ -1464,7 +1468,7 @@ public abstract class BlockBehaviour implements FeatureElement {
 
                     for (int j = 0; j < i; ++j) {
                         Direction enumdirection = aenumdirection[j];
-                        SupportType[] aenumblocksupport = SupportType.values();
+                        SupportType[] aenumblocksupport = SUPPORT_TYPE_VALUES; // Leaf - Cache blockstate cache array
                         int k = aenumblocksupport.length;
 
                         for (int l = 0; l < k; ++l) {