Code Generation for TypedKeys (#9233)

Currently includes generated key holder classes for types
used in the Registry Modification API

patches/api/0117-LivingEntity-Hand-Raised-Item-Use-API.patch

@@ -0,0 +1,68 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Fri, 29 Jun 2018 00:19:19 -0400
+Subject: [PATCH] LivingEntity Hand Raised/Item Use API
+
+How long an entity has raised hands to charge an attack or use an item
+
+diff --git a/src/main/java/org/bukkit/entity/HumanEntity.java b/src/main/java/org/bukkit/entity/HumanEntity.java
+index b3aa3dc6aa5afbc36cc86741b4cba56f463c2234..9e012c3c0671e5d0e55c243fdb4e14057038c153 100644
+--- a/src/main/java/org/bukkit/entity/HumanEntity.java
++++ b/src/main/java/org/bukkit/entity/HumanEntity.java
+@@ -328,7 +328,9 @@ public interface HumanEntity extends LivingEntity, AnimalTamer, InventoryHolder
+      *
+      * @return the item being used by the player, or null if they are not using
+      * an item
++     * @deprecated Deprecated in favor of {@link LivingEntity#getActiveItem()}
+      */
++    @Deprecated // Paper
+     @Nullable
+     public ItemStack getItemInUse();
+ 
+diff --git a/src/main/java/org/bukkit/entity/LivingEntity.java b/src/main/java/org/bukkit/entity/LivingEntity.java
+index b470d86c00be238a430e64d349a247e2740cfeec..97d0f82041a229e85217a7e575bf003eddc31b70 100644
+--- a/src/main/java/org/bukkit/entity/LivingEntity.java
++++ b/src/main/java/org/bukkit/entity/LivingEntity.java
+@@ -778,5 +778,42 @@ public interface LivingEntity extends Attributable, Damageable, ProjectileSource
+      * @param delay Delay in ticks
+      */
+     void setShieldBlockingDelay(int delay);
++
++    /**
++     * Get's the item being actively "used" or consumed.
++     * @return The item
++     */
++    @NotNull
++    org.bukkit.inventory.ItemStack getActiveItem();
++
++    /**
++     * Get's remaining time a player needs to keep hands raised with an item to finish using it.
++     * @return Remaining ticks to use the item
++     */
++    int getItemUseRemainingTime();
++
++    /**
++     * Get how long the players hands have been raised (Charging Bow attack, using a potion, etc)
++     *
++     * @return Get how long the players hands have been raised (Charging Bow attack, using a potion, etc)
++     */
++    int getHandRaisedTime();
++
++    /**
++     * Whether or not this entity is using or charging an attack (Bow pulled back, drinking potion, eating food)
++     *
++     * @return Whether or not this entity is using or charging an attack (Bow pulled back, drinking potion, eating food)
++     */
++    boolean isHandRaised();
++
++    /**
++     * Gets the hand raised by this living entity. Will be either
++     * {@link org.bukkit.inventory.EquipmentSlot#HAND} or
++     * {@link org.bukkit.inventory.EquipmentSlot#OFF_HAND}.
++     *
++     * @return the hand raised
++     */
++    @NotNull
++    org.bukkit.inventory.EquipmentSlot getHandRaised();
+     // Paper end
+ }