Prevent block breaking with spears

Closes #1169

bukkit/src/main/java/com/viaversion/viabackwards/BukkitPlugin.java

@@ -19,11 +19,12 @@
 package com.viaversion.viabackwards;
 
 import com.viaversion.viabackwards.api.ViaBackwardsPlatform;
-import com.viaversion.viabackwards.listener.BlockBreakListener;
-import com.viaversion.viabackwards.listener.FireDamageListener;
-import com.viaversion.viabackwards.listener.FireExtinguishListener;
-import com.viaversion.viabackwards.listener.LecternInteractListener;
-import com.viaversion.viabackwards.listener.PlayerItemDropListener;
+import com.viaversion.viabackwards.listener.DurabilitySync1_11;
+import com.viaversion.viabackwards.listener.PlayerHurtSound1_12;
+import com.viaversion.viabackwards.listener.FireExtinguish1_16;
+import com.viaversion.viabackwards.listener.LecternInteract1_14;
+import com.viaversion.viabackwards.listener.ItemDropSync1_17;
+import com.viaversion.viabackwards.listener.SpearAttack1_21_11;
 import com.viaversion.viabackwards.protocol.v1_20_2to1_20.provider.AdvancementCriteriaProvider;
 import com.viaversion.viabackwards.provider.BukkitAdvancementCriteriaProvider;
 import com.viaversion.viaversion.api.Via;
@@ -53,20 +54,23 @@ public class BukkitPlugin extends JavaPlugin implements ViaBackwardsPlatform {
         ViaBackwardsPlatform.super.enable();
 
         final ProtocolVersion protocolVersion = Via.getAPI().getServerVersion().highestSupportedProtocolVersion();
+        if (protocolVersion.newerThanOrEqualTo(ProtocolVersion.v1_21_11)) {
+            new SpearAttack1_21_11(this).register();
+        }
         if (protocolVersion.newerThanOrEqualTo(ProtocolVersion.v1_17)) {
-            new PlayerItemDropListener(this).register();
+            new ItemDropSync1_17(this).register();
         }
         if (protocolVersion.newerThanOrEqualTo(ProtocolVersion.v1_16)) {
-            new FireExtinguishListener(this).register();
+            new FireExtinguish1_16(this).register();
         }
         if (protocolVersion.newerThanOrEqualTo(ProtocolVersion.v1_14)) {
-            new LecternInteractListener(this).register();
+            new LecternInteract1_14(this).register();
         }
         if (protocolVersion.newerThanOrEqualTo(ProtocolVersion.v1_12)) {
-            new FireDamageListener(this).register();
+            new PlayerHurtSound1_12(this).register();
         }
         if (protocolVersion.newerThanOrEqualTo(ProtocolVersion.v1_11)) {
-            new BlockBreakListener(this).register();
+            new DurabilitySync1_11(this).register();
         }
 
         final ViaProviders providers = Via.getManager().getProviders();

bukkit/src/main/java/com/viaversion/viabackwards/listener/DurabilitySync1_11.java

@@ -27,9 +27,9 @@ import org.bukkit.event.EventPriority;
 import org.bukkit.event.block.BlockBreakEvent;
 import org.bukkit.inventory.ItemStack;
 
-public class BlockBreakListener extends ViaBukkitListener {
+public class DurabilitySync1_11 extends ViaBukkitListener {
 
-    public BlockBreakListener(final BukkitPlugin plugin) {
+    public DurabilitySync1_11(final BukkitPlugin plugin) {
         super(plugin, Protocol1_11To1_10.class);
     }
 

bukkit/src/main/java/com/viaversion/viabackwards/listener/FireExtinguish1_16.java

@@ -28,9 +28,9 @@ import org.bukkit.event.EventPriority;
 import org.bukkit.event.block.Action;
 import org.bukkit.event.player.PlayerInteractEvent;
 
-public class FireExtinguishListener extends ViaBukkitListener {
+public class FireExtinguish1_16 extends ViaBukkitListener {
 
-    public FireExtinguishListener(BukkitPlugin plugin) {
+    public FireExtinguish1_16(BukkitPlugin plugin) {
         super(plugin, Protocol1_16To1_15_2.class);
     }
 

bukkit/src/main/java/com/viaversion/viabackwards/listener/ItemDropSync1_17.java

@@ -27,9 +27,9 @@ import org.bukkit.event.EventPriority;
 import org.bukkit.event.player.PlayerDropItemEvent;
 import org.bukkit.inventory.ItemStack;
 
-public class PlayerItemDropListener extends ViaBukkitListener {
+public class ItemDropSync1_17 extends ViaBukkitListener {
 
-    public PlayerItemDropListener(final BukkitPlugin plugin) {
+    public ItemDropSync1_17(final BukkitPlugin plugin) {
         super(plugin, Protocol1_13_1To1_13.class); // Starts with 1.13 clients on 1.17 servers
     }
 

bukkit/src/main/java/com/viaversion/viabackwards/listener/LecternInteract1_14.java

@@ -30,9 +30,9 @@ import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.BookMeta;
 
-public class LecternInteractListener extends ViaBukkitListener {
+public class LecternInteract1_14 extends ViaBukkitListener {
 
-    public LecternInteractListener(BukkitPlugin plugin) {
+    public LecternInteract1_14(BukkitPlugin plugin) {
         super(plugin, Protocol1_14To1_13_2.class);
     }
 

bukkit/src/main/java/com/viaversion/viabackwards/listener/PlayerHurtSound1_12.java

@@ -28,9 +28,9 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.entity.EntityDamageEvent;
 
-public class FireDamageListener extends ViaBukkitListener {
+public class PlayerHurtSound1_12 extends ViaBukkitListener {
 
-    public FireDamageListener(BukkitPlugin plugin) {
+    public PlayerHurtSound1_12(BukkitPlugin plugin) {
         super(plugin, Protocol1_12To1_11_1.class);
     }
 

bukkit/src/main/java/com/viaversion/viabackwards/listener/SpearAttack1_21_11.java

@@ -0,0 +1,48 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2026 ViaVersion and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.viaversion.viabackwards.listener;
+
+import com.viaversion.viabackwards.BukkitPlugin;
+import com.viaversion.viabackwards.protocol.v1_21_11to1_21_9.Protocol1_21_11To1_21_9;
+import com.viaversion.viaversion.bukkit.listeners.ViaBukkitListener;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.block.BlockBreakEvent;
+import org.bukkit.inventory.ItemStack;
+
+public class SpearAttack1_21_11 extends ViaBukkitListener {
+
+    public SpearAttack1_21_11(final BukkitPlugin plugin) {
+        super(plugin, Protocol1_21_11To1_21_9.class);
+    }
+
+    @EventHandler(priority = EventPriority.LOWEST, ignoreCancelled = true)
+    public void onBlockBreak(final BlockBreakEvent event) {
+        final Player player = event.getPlayer();
+        if (!isOnPipe(player)) {
+            return;
+        }
+
+        final ItemStack item = player.getInventory().getItemInMainHand();
+        if (item.getType().name().endsWith("_SPEAR")) {
+            // Prevent spears from breaking blocks
+            event.setCancelled(true);
+        }
+    }
+}