From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MrHua269 <novau233@163.com>
Date: Sun, 14 Jan 2024 00:40:35 +0000
Subject: [PATCH] Pufferfish Cache climbing check for activation


diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index d955a555d260d39812b84eb5319db619ec0f8d28..7834646fd6a894ff85973566d9aeda98e5b0c284 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -311,7 +311,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
     public double yo;
     public double zo;
     private Vec3 position;
-    private BlockPos blockPosition;
+    public BlockPos blockPosition; // Pufferfish - private->public
     private ChunkPos chunkPosition;
     private Vec3 deltaMovement;
     private float yRot;
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index fdb5ef574c14fafa1af50f4f656763119695f00e..bbfbeddcba884ae1964f7421fcdf179923bd0d2b 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -143,7 +143,6 @@ import org.bukkit.event.entity.EntityTeleportEvent;
 import org.bukkit.event.player.PlayerItemConsumeEvent;
 // CraftBukkit end
 
-import co.aikar.timings.MinecraftTimings; // Paper
 
 public abstract class LivingEntity extends Entity implements Attackable {
 
@@ -2043,6 +2042,20 @@ public abstract class LivingEntity extends Entity implements Attackable {
         return this.lastClimbablePos;
     }
 
+
+    // Pufferfish start
+    private boolean cachedOnClimable = false;
+    private BlockPos lastClimbingPosition = null;
+
+    public boolean onClimableCached() {
+        if (!this.blockPosition().equals(this.lastClimbingPosition)) {
+            this.cachedOnClimable = this.onClimbable();
+            this.lastClimbingPosition = this.blockPosition();
+        }
+        return this.cachedOnClimable;
+    }
+    // Pufferfish end
+
     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 f8718d91f4c15c74d6e6dd5f60f7f05f45f63655..50fafff765b2494c075784cc5342d086c8dc97b2 100644
--- a/src/main/java/org/spigotmc/ActivationRange.java
+++ b/src/main/java/org/spigotmc/ActivationRange.java
@@ -305,7 +305,7 @@ 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 // Pufferfish - use cached
             {
                 return 1; // Paper
             }