LeavesMC/patches/server/0040-Cache-climbing-check-for-activation.patch

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 48ab2b1a7785ef553463fcd03edd6609ecf454ac..7647b8bb3117d005dd616b29e7310f8328973b7f 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -1943,6 +1943,22 @@ public abstract class LivingEntity extends Entity {
         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 e881584d38dc354204479863f004e974a0ac6c07..9f17c6acb54a7620656832df62e57e9d447c7ffc 100644
--- a/src/main/java/org/spigotmc/ActivationRange.java
+++ b/src/main/java/org/spigotmc/ActivationRange.java
@@ -291,7 +291,7 @@ 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 b06f407f30e3f68d1ddf7b43ca4200dd14281288..810b0e32931273fa6061d06f65558d8ec2ce1b79 100644
--- a/src/main/java/top/leavesmc/leaves/LeavesConfig.java
+++ b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
@@ -355,6 +355,11 @@ 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;