PaperMC/Spigot-API-Patches/0112-ItemStack-API-additions-for-quantity-flags-lore.patch
Aikar 36f34f01c0
Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
da9ef3c5 #496: Add methods to get/set ItemStacks in EquipmentSlots
3abebc9f #492: Let Tameable extend Animals rather than Entity
941111a0 #495: Expose ItemStack and hand used in PlayerShearEntityEvent
4fe19cae #494: InventoryView - Add missing Brewing FUEL_TIME

CraftBukkit Changes:
933e9094 #664: Add methods to get/set ItemStacks in EquipmentSlots
18722312 #662: Expose ItemStack and hand used in PlayerShearEntityEvent
2020-05-06 06:05:22 -04:00

161 lines
4.8 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Fri, 22 Jun 2018 22:59:18 -0400
Subject: [PATCH] ItemStack API additions for quantity/flags/lore
diff --git a/src/main/java/org/bukkit/inventory/ItemStack.java b/src/main/java/org/bukkit/inventory/ItemStack.java
index 125b74dd8263ab04a5df51764726efda15c1fca7..4940ba6a979cec5bea0edc24b94149298c256bc3 100644
--- a/src/main/java/org/bukkit/inventory/ItemStack.java
+++ b/src/main/java/org/bukkit/inventory/ItemStack.java
@@ -2,7 +2,9 @@ package org.bukkit.inventory;
import com.google.common.collect.ImmutableMap;
import java.util.LinkedHashMap;
+import java.util.List; // Paper
import java.util.Map;
+import java.util.Set; // Paper
import org.apache.commons.lang.Validate;
import org.bukkit.Bukkit;
import org.bukkit.Material;
@@ -629,5 +631,140 @@ public class ItemStack implements Cloneable, ConfigurationSerializable {
// Requires access to NMS
return ensureServerConversions().getMaxItemUseDuration();
}
+
+ /**
+ * Clones the itemstack and returns it a single quantity.
+ * @return The new itemstack with 1 quantity
+ */
+ @NotNull
+ public ItemStack asOne() {
+ return asQuantity(1);
+ }
+
+ /**
+ * Clones the itemstack and returns it as the specified quantity
+ * @param qty The quantity of the cloned item
+ * @return The new itemstack with specified quantity
+ */
+ @NotNull
+ public ItemStack asQuantity(int qty) {
+ ItemStack clone = clone();
+ clone.setAmount(qty);
+ return clone;
+ }
+
+ /**
+ * Adds 1 to this itemstack. Will not go over the items max stack size.
+ * @return The same item (not a clone)
+ */
+ @NotNull
+ public ItemStack add() {
+ return add(1);
+ }
+
+ /**
+ * Adds quantity to this itemstack. Will not go over the items max stack size.
+ *
+ * @param qty The amount to add
+ * @return The same item (not a clone)
+ */
+ @NotNull
+ public ItemStack add(int qty) {
+ setAmount(Math.min(getMaxStackSize(), getAmount() + qty));
+ return this;
+ }
+
+ /**
+ * Subtracts 1 to this itemstack. Going to 0 or less will invalidate the item.
+ * @return The same item (not a clone)
+ */
+ @NotNull
+ public ItemStack subtract() {
+ return subtract(1);
+ }
+
+ /**
+ * Subtracts quantity to this itemstack. Going to 0 or less will invalidate the item.
+ *
+ * @param qty The amount to add
+ * @return The same item (not a clone)
+ */
+ @NotNull
+ public ItemStack subtract(int qty) {
+ setAmount(Math.max(0, getAmount() - qty));
+ return this;
+ }
+
+ /**
+ * If the item has lore, returns it, else it will return null
+ * @return The lore, or null
+ */
+ @Nullable
+ public List<String> getLore() {
+ if (!hasItemMeta()) {
+ return null;
+ }
+ ItemMeta itemMeta = getItemMeta();
+ if (!itemMeta.hasLore()) {
+ return null;
+ }
+ return itemMeta.getLore();
+ }
+
+ /**
+ * Sets the lore for this item.
+ * Removes lore when given null.
+ *
+ * @param lore the lore that will be set
+ */
+ public void setLore(@Nullable List<String> lore) {
+ ItemMeta itemMeta = getItemMeta();
+ itemMeta.setLore(lore);
+ setItemMeta(itemMeta);
+ }
+
+ /**
+ * Set itemflags which should be ignored when rendering a ItemStack in the Client. This Method does silently ignore double set itemFlags.
+ *
+ * @param itemFlags The hideflags which shouldn't be rendered
+ */
+ public void addItemFlags(@NotNull ItemFlag... itemFlags) {
+ ItemMeta itemMeta = getItemMeta();
+ itemMeta.addItemFlags(itemFlags);
+ setItemMeta(itemMeta);
+ }
+
+ /**
+ * Remove specific set of itemFlags. This tells the Client it should render it again. This Method does silently ignore double removed itemFlags.
+ *
+ * @param itemFlags Hideflags which should be removed
+ */
+ public void removeItemFlags(@NotNull ItemFlag... itemFlags) {
+ ItemMeta itemMeta = getItemMeta();
+ itemMeta.removeItemFlags(itemFlags);
+ setItemMeta(itemMeta);
+ }
+
+ /**
+ * Get current set itemFlags. The collection returned is unmodifiable.
+ *
+ * @return A set of all itemFlags set
+ */
+ @NotNull
+ public Set<ItemFlag> getItemFlags() {
+ ItemMeta itemMeta = getItemMeta();
+ return itemMeta.getItemFlags();
+ }
+
+ /**
+ * Check if the specified flag is present on this item.
+ *
+ * @param flag the flag to check
+ * @return if it is present
+ */
+ public boolean hasItemFlag(@NotNull ItemFlag flag) {
+ ItemMeta itemMeta = getItemMeta();
+ return itemMeta.hasItemFlag(flag);
+ }
// Paper end
}