Update upstream B/CB/S

Spigot-Server-Patches/0101-Add-PlayerUseUnknownEntityEvent.patch

@@ -0,0 +1,43 @@
+From 3ef06b376d5d7091fa982931e4a0a66ff0f76a2d Mon Sep 17 00:00:00 2001
+From: Jedediah Smith <jedediah@silencegreys.com>
+Date: Sat, 2 Apr 2016 05:09:16 -0400
+Subject: [PATCH] Add PlayerUseUnknownEntityEvent
+
+
+diff --git a/src/main/java/net/minecraft/server/PacketPlayInUseEntity.java b/src/main/java/net/minecraft/server/PacketPlayInUseEntity.java
+index c67cb54a3..521f46262 100644
+--- a/src/main/java/net/minecraft/server/PacketPlayInUseEntity.java
++++ b/src/main/java/net/minecraft/server/PacketPlayInUseEntity.java
+@@ -5,7 +5,7 @@ import javax.annotation.Nullable;
+ 
+ public class PacketPlayInUseEntity implements Packet<PacketListenerPlayIn> {
+ 
+-    private int a;
++    private int a; public int getEntityId() { return this.a; } // Paper - add accessor
+     private PacketPlayInUseEntity.EnumEntityUseAction action;
+     private Vec3D c;
+     private EnumHand d;
+diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
+index b67837dd2..840448995 100644
+--- a/src/main/java/net/minecraft/server/PlayerConnection.java
++++ b/src/main/java/net/minecraft/server/PlayerConnection.java
+@@ -1614,6 +1614,16 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
+                 }
+             }
+         }
++        // Paper start - fire event
++        else {
++            this.server.getPluginManager().callEvent(new com.destroystokyo.paper.event.player.PlayerUseUnknownEntityEvent(
++                this.getPlayer(),
++                packetplayinuseentity.getEntityId(),
++                packetplayinuseentity.a() == PacketPlayInUseEntity.EnumEntityUseAction.ATTACK,
++                packetplayinuseentity.b() == EnumHand.MAIN_HAND ? EquipmentSlot.HAND : EquipmentSlot.OFF_HAND
++            ));
++        }
++        // Paper end
+ 
+     }
+ 
+-- 
+2.12.2
+