Paper/patches/api/0403-Add-LivingEntity-swingHand-EquipmentSlot-convenience.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: SoSeDiK <mrsosedik@gmail.com>
Date: Tue, 11 Oct 2022 22:35:56 +0300
Subject: [PATCH] Add LivingEntity#swingHand(EquipmentSlot) convenience method


diff --git a/src/main/java/org/bukkit/entity/LivingEntity.java b/src/main/java/org/bukkit/entity/LivingEntity.java
index 4af5e8d0cba6555f7615e4e809d9aff221c0dc4d..435e214af7f09b3f1da078e6517cd14bb5ad2b87 100644
--- a/src/main/java/org/bukkit/entity/LivingEntity.java
+++ b/src/main/java/org/bukkit/entity/LivingEntity.java
@@ -985,5 +985,23 @@ public interface LivingEntity extends Attributable, Damageable, ProjectileSource
      * @param hurtDirection hurt direction
      */
     void setHurtDirection(float hurtDirection);
+
+    /**
+     * Makes this entity swing their hand.
+     *
+     * <p>This method does nothing if this entity does not
+     * have an animation for swinging their hand.
+     *
+     * @param hand hand to be swung, either {@link org.bukkit.inventory.EquipmentSlot#HAND} or {@link org.bukkit.inventory.EquipmentSlot#OFF_HAND}
+     * @throws IllegalArgumentException if invalid hand is passed
+     */
+    default void swingHand(@NotNull org.bukkit.inventory.EquipmentSlot hand) {
+        com.google.common.base.Preconditions.checkArgument(hand != null && hand.isHand(), String.format("Expected a valid hand, got \"%s\" instead!", hand));
+        if (hand == org.bukkit.inventory.EquipmentSlot.HAND) {
+            this.swingMainHand();
+        } else {
+            this.swingOffHand();
+        }
+    }
     // Paper end
 }