From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Jake Potrebic Date: Sun, 8 May 2022 13:35:58 -0700 Subject: [PATCH] ItemStack damage API Adds methods notify clients about item breaks and to simulate damage done to an itemstack and all the logic associated with damaging them diff --git a/src/main/java/org/bukkit/entity/LivingEntity.java b/src/main/java/org/bukkit/entity/LivingEntity.java index 14854e1325d61d0112cc928c8a5a92a8a45249d3..7889ec8e0954c98e9611a20811b1ddc5bcd93b7f 100644 --- a/src/main/java/org/bukkit/entity/LivingEntity.java +++ b/src/main/java/org/bukkit/entity/LivingEntity.java @@ -1119,5 +1119,52 @@ public interface LivingEntity extends Attributable, Damageable, ProjectileSource * @param directionZ The relative z position of the knockback source direction */ void knockback(double strength, double directionX, double directionZ); + + /** + * Notifies all clients tracking this entity that the item in + * the slot of this entity broke. + *

+ * NOTE: this does not mutate any entity state + * + * @param slot the slot + */ + void broadcastSlotBreak(org.bukkit.inventory.@NotNull EquipmentSlot slot); + + /** + * Notifies specified players that the item in the slot + * of this entity broke. + *

+ * NOTE: this does not mutate any entity state + * + * @param slot the slot + * @param players the players to notify + */ + void broadcastSlotBreak(org.bukkit.inventory.@NotNull EquipmentSlot slot, @NotNull Collection players); + + /** + * Damages the itemstack in this slot by the specified amount. + *

+ * This runs all logic associated with damaging an itemstack like + * gamemode and enchantment checks, events, stat changes, and advancement + * triggers. + * + * @param stack the itemstack to damage + * @param amount the amount of damage to do + * @return the damaged itemstack, or an empty stack if it broke. There are no + * guarantees the returned itemstack is the same instance + */ + @NotNull ItemStack damageItemStack(@NotNull ItemStack stack, int amount); + + /** + * Damages the itemstack in this slot by the specified amount. + *

+ * This runs all logic associated with damaging an itemstack like + * gamemode and enchantment checks, events, stat changes, advancement + * triggers, and notifying clients to play break animations. + * + * @param slot the slot of the stack to damage + * @param amount the amount of damage to do + */ + void damageItemStack(org.bukkit.inventory.@NotNull EquipmentSlot slot, int amount); // Paper end } diff --git a/src/main/java/org/bukkit/inventory/ItemStack.java b/src/main/java/org/bukkit/inventory/ItemStack.java index eac7adf622b91489711a2f8bcff77fb31292dd67..d15a74c38576c49df61cfab02c70fc5d8c0dd5f7 100644 --- a/src/main/java/org/bukkit/inventory/ItemStack.java +++ b/src/main/java/org/bukkit/inventory/ItemStack.java @@ -971,5 +971,19 @@ public class ItemStack implements Cloneable, ConfigurationSerializable, Translat public boolean canRepair(@NotNull ItemStack toBeRepaired) { return Bukkit.getUnsafe().isValidRepairItemStack(toBeRepaired, this); } + + /** + * Damages this itemstack by the specified amount. This + * runs all logic associated with damaging an itemstack like + * events and stat changes. + * + * @param amount the amount of damage to do + * @param livingEntity the entity related to the damage + * @return the damaged itemstack or an empty one if it broke. May return the same instance of ItemStack + * @see org.bukkit.entity.LivingEntity#damageItemStack(EquipmentSlot, int) to damage itemstacks in equipment slots + */ + public @NotNull ItemStack damage(int amount, @NotNull org.bukkit.entity.LivingEntity livingEntity) { + return livingEntity.damageItemStack(this, amount); + } // Paper end }