Fix #3260

bukkit/src/main/java/com/viaversion/viaversion/bukkit/listeners/protocol1_19_4To1_19_3/ArmorToggleListener.java

@@ -31,28 +31,12 @@ import org.bukkit.inventory.PlayerInventory;
 
 public final class ArmorToggleListener extends ViaBukkitListener {
 
-    private static final boolean ENABLED = hasEquipmentSlot();
-
     public ArmorToggleListener(final ViaVersionPlugin plugin) {
         super(plugin, Protocol1_19_4To1_19_3.class);
     }
 
-    private static boolean hasEquipmentSlot() {
-        // Doesn't exist on 1.8
-        try {
-            Material.class.getMethod("getEquipmentSlot");
-            return true;
-        } catch (final NoSuchMethodException e) {
-            return false;
-        }
-    }
-
     @EventHandler(priority = EventPriority.MONITOR)
     public void itemUse(final PlayerInteractEvent event) {
-        if (!ENABLED) {
-            return;
-        }
-
         final Player player = event.getPlayer();
         final ItemStack item = event.getItem();
         if (item == null || event.getHand() == null || !isOnPipe(player)) {

bukkit/src/main/java/com/viaversion/viaversion/bukkit/platform/BukkitViaLoader.java

@@ -52,6 +52,7 @@ import java.util.concurrent.TimeUnit;
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
 import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.scheduler.BukkitTask;
 
 public class BukkitViaLoader implements ViaPlatformLoader {
@@ -144,7 +145,7 @@ public class BukkitViaLoader implements ViaPlatformLoader {
             }
         }
 
-        if (serverProtocolVersion < ProtocolVersion.v1_19_4.getVersion() && plugin.getConf().isArmorToggleFix()) {
+        if (serverProtocolVersion < ProtocolVersion.v1_19_4.getVersion() && plugin.getConf().isArmorToggleFix() && hasGetHandMethod()) {
             new ArmorToggleListener(plugin).register();
         }
 
@@ -195,6 +196,15 @@ public class BukkitViaLoader implements ViaPlatformLoader {
         }
     }
 
+    private boolean hasGetHandMethod() {
+        try {
+            PlayerInteractEvent.class.getDeclaredMethod("getHand");
+            return true;
+        } catch (NoSuchMethodException e) {
+            return false;
+        }
+    }
+
     @Override
     public void unload() {
         for (BukkitTask task : tasks) {