Add EquipmentSlot convenience methods (#8477)

patches/api/0402-Add-LivingEntity-swingHand-EquipmentSlot-convenience.patch

@@ -5,7 +5,7 @@ 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..319e4571aca24d1e3f6c85b7435d65c0e77a5245 100644
+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
@@ -23,7 +23,7 @@ index 4af5e8d0cba6555f7615e4e809d9aff221c0dc4d..319e4571aca24d1e3f6c85b7435d65c0
 +     * @throws IllegalArgumentException if invalid hand is passed
 +     */
 +    default void swingHand(@NotNull org.bukkit.inventory.EquipmentSlot hand) {
-+        com.google.common.base.Preconditions.checkArgument(hand == org.bukkit.inventory.EquipmentSlot.HAND || hand == org.bukkit.inventory.EquipmentSlot.OFF_HAND, String.format("Expected a valid hand, got \"%s\" instead!", 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 {

patches/api/0405-Add-EquipmentSlot-convenience-methods.patch

@@ -0,0 +1,39 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: SoSeDiK <mrsosedik@gmail.com>
+Date: Sun, 16 Oct 2022 15:28:49 +0300
+Subject: [PATCH] Add EquipmentSlot convenience methods
+
+
+diff --git a/src/main/java/org/bukkit/inventory/EquipmentSlot.java b/src/main/java/org/bukkit/inventory/EquipmentSlot.java
+index 1e7d77118a55ca9db99eabb94894e6ef3409946b..8f793982d0ceeb949422fe3f125fb08229d3266a 100644
+--- a/src/main/java/org/bukkit/inventory/EquipmentSlot.java
++++ b/src/main/java/org/bukkit/inventory/EquipmentSlot.java
+@@ -8,4 +8,28 @@ public enum EquipmentSlot {
+     LEGS,
+     CHEST,
+     HEAD
++    // Paper start
++    ;
++    /**
++     * Checks whether this equipment slot is a hand:
++     * either {@link #HAND} or {@link #OFF_HAND}
++     *
++     * @return whether this is a hand slot
++     */
++    public boolean isHand() {
++        return this == HAND || this == OFF_HAND;
++    }
++
++    /**
++     * Checks whether this equipment slot
++     * is one of the armor slots:
++     * {@link #HEAD}, {@link #CHEST},
++     * {@link #LEGS}, or {@link #FEET}
++     *
++     * @return whether this is an armor slot
++     */
++    public boolean isArmor() {
++        return this == HEAD || this == CHEST || this == LEGS || this == FEET;
++    }
++    // Paper end
+ }