From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: violetc <58360096+s-yh-china@users.noreply.github.com>
Date: Thu, 18 Aug 2022 16:31:08 +0800
Subject: [PATCH] Cache climbing check for activation

This patch is Powered by Pufferfish(https://github.com/pufferfish-gg/Pufferfish)

diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 84356052f4a5b821e54f8e7b60e904ef68947968..fb3ff5ad4d29a46ffbfc5af710cc1467ea29cda1 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -2048,6 +2048,22 @@ public abstract class LivingEntity extends Entity implements Attackable {
         return this.lastClimbablePos;
     }
 
+    // Leaves start - cache climbing check
+    private boolean cachedOnClimable = false;
+    private BlockPos lastClimbingPosition = null;
+
+    public boolean onClimableCached() {
+        if (!org.leavesmc.leaves.LeavesConfig.cacheClimbCheck) {
+            return this.onClimbable();
+        }
+        if (!this.blockPosition().equals(this.lastClimbingPosition)) {
+            this.cachedOnClimable = this.onClimbable();
+            this.lastClimbingPosition = this.blockPosition();
+        }
+        return this.cachedOnClimable;
+    }
+    // Leaves end - cache climbing check
+
     public boolean onClimbable() {
         if (this.isSpectator()) {
             return false;
diff --git a/src/main/java/org/spigotmc/ActivationRange.java b/src/main/java/org/spigotmc/ActivationRange.java
index e32e4ffa222fe72c3d3152a91057113c99d3b122..43d49801823c1221d27e89e66422e8748cdc383b 100644
--- a/src/main/java/org/spigotmc/ActivationRange.java
+++ b/src/main/java/org/spigotmc/ActivationRange.java
@@ -295,7 +295,7 @@ public class ActivationRange
         if ( entity instanceof LivingEntity )
         {
             LivingEntity living = (LivingEntity) entity;
-            if ( living.onClimbable() || living.jumping || living.hurtTime > 0 || living.activeEffects.size() > 0 || living.isFreezing()) // Paper
+            if ( living.onClimableCached() || living.jumping || living.hurtTime > 0 || living.activeEffects.size() > 0 || living.isFreezing()) // Paper // Leaves - use cached
             {
                 return 1; // Paper
             }