Leaf/leaf-server/minecraft-patches/features/0241-Only-tick-items-at-hand.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Taiyou06 <kaandindar21@gmail.com>
Date: Fri, 9 May 2025 23:50:55 +0200
Subject: [PATCH] Only tick items at hand


diff --git a/net/minecraft/server/level/ServerPlayer.java b/net/minecraft/server/level/ServerPlayer.java
index 7c3cb3374e0827021b7accf2235ce9d410eaa1d6..8036e3c06f76a1b546c6eae645f27e316315c66e 100644
--- a/net/minecraft/server/level/ServerPlayer.java
+++ b/net/minecraft/server/level/ServerPlayer.java
@@ -844,12 +844,19 @@ public class ServerPlayer extends Player implements ca.spottedleaf.moonrise.patc
                 super.tick();
             }
 
+            // Leaf start - Only tick items at hand
+            if (org.dreeam.leaf.config.modules.opt.OptimizeItemTicking.onlyTickItemsInHand) {
+                this.synchronizeSpecialItemUpdates(this.getMainHandItem());
+                this.synchronizeSpecialItemUpdates(this.getOffhandItem());
+            } else {
             for (int i = 0; i < this.getInventory().getContainerSize(); i++) {
                 ItemStack item = this.getInventory().getItem(i);
                 if (!item.isEmpty()) {
                     this.synchronizeSpecialItemUpdates(item);
                 }
             }
+            }
+            // Leaf end - Only tick items at hand
 
             if (this.getHealth() != this.lastSentHealth
                 || this.lastSentFood != this.foodData.getFoodLevel()
diff --git a/net/minecraft/world/entity/player/Player.java b/net/minecraft/world/entity/player/Player.java
index 731f50fa6786557db0a1745442b2ad61a6685375..2f450aa1c9e98fc03071d55b181909f06cb11899 100644
--- a/net/minecraft/world/entity/player/Player.java
+++ b/net/minecraft/world/entity/player/Player.java
@@ -648,7 +648,14 @@ public abstract class Player extends LivingEntity {
         }
 
         this.tickRegeneration();
+        // Leaf start - Only tick items at hand
+        if (org.dreeam.leaf.config.modules.opt.OptimizeItemTicking.onlyTickItemsInHand) {
+            this.getMainHandItem().inventoryTick(this.level(), this, EquipmentSlot.MAINHAND);
+            this.getOffhandItem().inventoryTick(this.level(), this, EquipmentSlot.OFFHAND);
+        } else {
         this.inventory.tick();
+        }
+        // Leaf end - Only tick items at hand
         this.oBob = this.bob;
         if (this.abilities.flying && !this.isPassenger()) {
             this.resetFallDistance();