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path: root/patches/server/0080-Add-PlayerUseUnknownEntityEvent.patch
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From 0000000000000000000000000000000000000000 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

Adds the PlayerUseUnknownEntityEvent to be used by plugins dealing with
virtual entities/entities that are not actually known to the server.

Co-authored-by: Nassim Jahnke <nassim@njahnke.dev>

diff --git a/src/main/java/net/minecraft/network/protocol/game/ServerboundInteractPacket.java b/src/main/java/net/minecraft/network/protocol/game/ServerboundInteractPacket.java
index 644a0fdea6576647539b96528717dbaeab498d93..221e64a66ff12a8de5c75992fc26a54a03b317e7 100644
--- a/src/main/java/net/minecraft/network/protocol/game/ServerboundInteractPacket.java
+++ b/src/main/java/net/minecraft/network/protocol/game/ServerboundInteractPacket.java
@@ -169,4 +169,14 @@ public class ServerboundInteractPacket implements Packet<ServerGamePacketListene
             buf.writeEnum(this.hand);
         }
     }
+
+    // Paper start - PlayerUseUnknownEntityEvent
+    public int getEntityId() {
+        return this.entityId;
+    }
+
+    public boolean isAttack() {
+        return this.action.getType() == ActionType.ATTACK;
+    }
+    // Paper end - PlayerUseUnknownEntityEvent
 }
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 37cba1e693490e42908f45dc68e60ac3afebbb49..801e1727bd291f647c91e2c325810ead070f3752 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -2404,7 +2404,26 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
                 });
             }
         }
+        // Paper start - PlayerUseUnknownEntityEvent
+        else {
+            packet.dispatch(new net.minecraft.network.protocol.game.ServerboundInteractPacket.Handler() {
+                @Override
+                public void onInteraction(net.minecraft.world.InteractionHand hand) {
+                    CraftEventFactory.callPlayerUseUnknownEntityEvent(ServerGamePacketListenerImpl.this.player, packet, hand, null);
+                }
+
+                @Override
+                public void onInteraction(net.minecraft.world.InteractionHand hand, net.minecraft.world.phys.Vec3 pos) {
+                    CraftEventFactory.callPlayerUseUnknownEntityEvent(ServerGamePacketListenerImpl.this.player, packet, hand, pos);
+                }
 
+                @Override
+                public void onAttack() {
+                    CraftEventFactory.callPlayerUseUnknownEntityEvent(ServerGamePacketListenerImpl.this.player, packet, net.minecraft.world.InteractionHand.MAIN_HAND, null);
+                }
+            });
+        }
+        // Paper end - PlayerUseUnknownEntityEvent
     }
 
     @Override
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index da100f451238a093bcaad83343a79254d4aa31ce..b48c07a49f39e303bc5d1faed0c444b6f0118054 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -1833,4 +1833,14 @@ public class CraftEventFactory {
         Bukkit.getPluginManager().callEvent(event);
         return event;
     }
+
+    // Paper start - PlayerUseUnknownEntityEvent
+    public static void callPlayerUseUnknownEntityEvent(net.minecraft.world.entity.player.Player player, net.minecraft.network.protocol.game.ServerboundInteractPacket packet, InteractionHand hand, @Nullable net.minecraft.world.phys.Vec3 vector) {
+        new com.destroystokyo.paper.event.player.PlayerUseUnknownEntityEvent(
+            (Player) player.getBukkitEntity(), packet.getEntityId(), packet.isAttack(),
+            CraftEquipmentSlot.getHand(hand),
+            vector != null ? CraftVector.toBukkit(vector) : null
+        ).callEvent();
+    }
+    // Paper end - PlayerUseUnknownEntityEvent
 }