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path: root/patches/server/0860-Add-PlayerPickItemEvent.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: RodneyMKay <36546810+RodneyMKay@users.noreply.github.com>
Date: Wed, 8 Sep 2021 21:34:01 +0200
Subject: [PATCH] Add PlayerPickItemEvent


diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 293c42dd5e870986a2797840756bd7c4d6a34a5d..c50c3d11700aadd4c0e7114b4b6d5c5d15a33ac4 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -947,7 +947,17 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
             this.disconnect(Component.literal("Invalid hotbar selection (Hacking?)"), org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_ACTION); // Paper - kick event cause
             return;
         }
-        this.player.getInventory().pickSlot(packet.getSlot()); // Paper - Diff above if changed
+        // Paper start - Add PlayerPickItemEvent
+        // this.player.getInventory().pickSlot(packet.getSlot()); // Paper - Diff above if changed - moved down
+        Player bukkitPlayer = this.player.getBukkitEntity();
+        int targetSlot = this.player.getInventory().getSuitableHotbarSlot();
+        int sourceSlot = packet.getSlot();
+
+        io.papermc.paper.event.player.PlayerPickItemEvent event = new io.papermc.paper.event.player.PlayerPickItemEvent(bukkitPlayer, targetSlot, sourceSlot);
+        if (!event.callEvent()) return;
+        // Paper end - Add PlayerPickItemEvent
+
+        this.player.getInventory().pickSlot(event.getSourceSlot(), event.getTargetSlot()); // Paper - Add PlayerPickItemEvent
         // Paper end - validate pick item position
         int i = this.player.getInventory().selected;
 
diff --git a/src/main/java/net/minecraft/world/entity/player/Inventory.java b/src/main/java/net/minecraft/world/entity/player/Inventory.java
index 8bdc2dd7e6b6824f4df5dce8bff5e87fa73d3d3a..aaff1592876ac4a967e4fd47e4b6619a17d57867 100644
--- a/src/main/java/net/minecraft/world/entity/player/Inventory.java
+++ b/src/main/java/net/minecraft/world/entity/player/Inventory.java
@@ -170,7 +170,13 @@ public class Inventory implements Container, Nameable {
     }
 
     public void pickSlot(int slot) {
-        this.selected = this.getSuitableHotbarSlot();
+        // Paper start - Add PlayerPickItemEvent
+        pickSlot(slot, this.getSuitableHotbarSlot());
+    }
+
+    public void pickSlot(int slot, int targetSlot) {
+        this.selected = targetSlot;
+        // Paper end - Add PlayerPickItemEvent
         ItemStack itemstack = (ItemStack) this.items.get(this.selected);
 
         this.items.set(this.selected, (ItemStack) this.items.get(slot));