From 61e0e796daf7dceacccf509e3ce19c96eafcb895 Mon Sep 17 00:00:00 2001
From: Camotoy <20743703+DoctorMacc@users.noreply.github.com>
Date: Thu, 21 May 2020 18:48:24 -0400
Subject: [PATCH] Fix /geyser offhand command on Bukkit (#611)

If CommandSender is not an instance of GeyserSession, we iterate through all GeyserSessions in order to find the sender.
---
 .../connector/command/defaults/OffhandCommand.java     | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/connector/src/main/java/org/geysermc/connector/command/defaults/OffhandCommand.java b/connector/src/main/java/org/geysermc/connector/command/defaults/OffhandCommand.java
index 5392baedd..a49506b0f 100644
--- a/connector/src/main/java/org/geysermc/connector/command/defaults/OffhandCommand.java
+++ b/connector/src/main/java/org/geysermc/connector/command/defaults/OffhandCommand.java
@@ -56,6 +56,16 @@ public class OffhandCommand extends GeyserCommand {
             ClientPlayerActionPacket releaseItemPacket = new ClientPlayerActionPacket(PlayerAction.SWAP_HANDS, new Position(0,0,0),
                     BlockFace.DOWN);
             session.sendDownstreamPacket(releaseItemPacket);
+            return;
+        }
+        // Needed for Bukkit - sender is not an instance of GeyserSession
+        for (GeyserSession session : connector.getPlayers().values()) {
+            if (sender.getName().equals(session.getPlayerEntity().getUsername())) {
+                ClientPlayerActionPacket releaseItemPacket = new ClientPlayerActionPacket(PlayerAction.SWAP_HANDS, new Position(0,0,0),
+                        BlockFace.DOWN);
+                session.sendDownstreamPacket(releaseItemPacket);
+                break;
+            }
         }
     }
 }