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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jakub Zacek <dawon@dawon.eu>
Date: Sun, 24 Apr 2022 22:56:31 +0200
Subject: [PATCH] Add PlayerInventorySlotChangeEvent
diff --git a/src/main/java/io/papermc/paper/event/player/PlayerInventorySlotChangeEvent.java b/src/main/java/io/papermc/paper/event/player/PlayerInventorySlotChangeEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..f3a54ed7efabaa0f6413e1598f14e2770a46440d
--- /dev/null
+++ b/src/main/java/io/papermc/paper/event/player/PlayerInventorySlotChangeEvent.java
@@ -0,0 +1,98 @@
+package io.papermc.paper.event.player;
+
+import org.bukkit.entity.Player;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.player.PlayerEvent;
+import org.bukkit.inventory.Inventory;
+import org.bukkit.inventory.ItemStack;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * Called when a slot contents change in a player's inventory.
+ */
+@NullMarked
+public class PlayerInventorySlotChangeEvent extends PlayerEvent {
+
+ private static final HandlerList HANDLER_LIST = new HandlerList();
+
+ private final int rawSlot;
+ private final int slot;
+ private final ItemStack oldItemStack;
+ private final ItemStack newItemStack;
+ private boolean triggerAdvancements = true;
+
+ public PlayerInventorySlotChangeEvent(final Player player, final int rawSlot, final ItemStack oldItemStack, final ItemStack newItemStack) {
+ super(player);
+ this.rawSlot = rawSlot;
+ this.slot = player.getOpenInventory().convertSlot(rawSlot);
+ this.oldItemStack = oldItemStack;
+ this.newItemStack = newItemStack;
+ }
+
+ /**
+ * The raw slot number that was changed.
+ *
+ * @return The raw slot number.
+ */
+ public int getRawSlot() {
+ return this.rawSlot;
+ }
+
+ /**
+ * The slot number that was changed, ready for passing to
+ * {@link Inventory#getItem(int)}. Note that there may be two slots with
+ * the same slot number, since a view links two different inventories.
+ * <p>
+ * If no inventory is opened, internal crafting view is used for conversion.
+ *
+ * @return The slot number.
+ */
+ public int getSlot() {
+ return this.slot;
+ }
+
+ /**
+ * Clone of ItemStack that was in the slot before the change.
+ *
+ * @return The old ItemStack in the slot.
+ */
+ public ItemStack getOldItemStack() {
+ return this.oldItemStack;
+ }
+
+ /**
+ * Clone of ItemStack that is in the slot after the change.
+ *
+ * @return The new ItemStack in the slot.
+ */
+ public ItemStack getNewItemStack() {
+ return this.newItemStack;
+ }
+
+ /**
+ * Gets whether the slot change advancements will be triggered.
+ *
+ * @return Whether the slot change advancements will be triggered.
+ */
+ public boolean shouldTriggerAdvancements() {
+ return this.triggerAdvancements;
+ }
+
+ /**
+ * Sets whether the slot change advancements will be triggered.
+ *
+ * @param triggerAdvancements Whether the slot change advancements will be triggered.
+ */
+ public void setShouldTriggerAdvancements(final boolean triggerAdvancements) {
+ this.triggerAdvancements = triggerAdvancements;
+ }
+
+ @Override
+ public HandlerList getHandlers() {
+ return HANDLER_LIST;
+ }
+
+ public static HandlerList getHandlerList() {
+ return HANDLER_LIST;
+ }
+}
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