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 0fea7b506a65d21161a538c68579982a98ca98c7..557a92bfaecf3f1bddd4c602a26a7d5373f9798d 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -1938,6 +1938,22 @@ 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 (!top.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 52780192d6417f8085566e4cdf3a895a83638520..eeb3522c39dde84e497d22758e90b42f3a2d5a96 100644
--- a/src/main/java/org/spigotmc/ActivationRange.java
+++ b/src/main/java/org/spigotmc/ActivationRange.java
@@ -292,7 +292,7 @@ public class ActivationRange
         if ( entity instanceof LivingEntity )
         {
             LivingEntity living = (LivingEntity) entity;
-            if ( living.onClimbable() || living.jumping || living.hurtTime > 0 || living.activeEffects.size() > 0 ) // Paper
+            if ( living.onClimableCached() || living.jumping || living.hurtTime > 0 || living.activeEffects.size() > 0 ) // Paper // Leaves - use cached
             {
                 return 1; // Paper
             }
diff --git a/src/main/java/top/leavesmc/leaves/LeavesConfig.java b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
index ab7613a1ccfc6117f8b4eed72bdaa6730b8238d3..136bd381e68318f5b2afd3616fb13e580aa0cc49 100644
--- a/src/main/java/top/leavesmc/leaves/LeavesConfig.java
+++ b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
@@ -359,6 +359,11 @@ public final class LeavesConfig {
         }
     }
 
+    public static boolean cacheClimbCheck = true;
+    private static void cacheClimbCheck() {
+        cacheClimbCheck = getBoolean("settings.performance.cache-climb-check", cacheClimbCheck);
+    }
+
     public static final class WorldConfig {
 
         public final String worldName;