AntiBlast

Author: cev-api

README.md

@@ -262,6 +262,9 @@ Build without the flag to get the full CevAPI experience; build with the flag fo
 - Robust sold-out detection and safe-stop logic to avoid spamming when offers are exhausted.
 - Ideal for quickly offloading farmed goods (seeds, string, paper, etc.) into emeralds without manual clicking.
 
+### AntiBlast
+- Prevents push back from TNT, creeper explosions, respawn anchors, crystals, wither skulls, wither spawn explosions, ghast fireballs, breeze gusts (and wind charges) and other custom plugins/entities that use explosion physics.
+
 ## What’s changed or improved in this fork?
 
 ### ItemESP (Expanded)

src/main/java/net/wurstclient/chestsearch/ChestConfig.java

@@ -26,8 +26,9 @@ public class ChestConfig
 	// a recorded chest
 	public int scanRadius = 64;
 
-	private final File file;
-	private final Gson gson = new GsonBuilder().setPrettyPrinting().create();
+	private final transient File file;
+	private final transient Gson gson =
+		new GsonBuilder().setPrettyPrinting().create();
 
 	public ChestConfig(File file)
 	{
@@ -40,6 +41,30 @@ public ChestConfig()
 		this(new File("config/wurst/chest_search.json"));
 	}
 
+	private ChestConfigData toData()
+	{
+		ChestConfigData data = new ChestConfigData();
+		data.enabled = enabled;
+		data.storeFullItemNbt = storeFullItemNbt;
+		data.dbPath = dbPath;
+		data.graceTicks = graceTicks;
+		data.scanRadius = scanRadius;
+		return data;
+	}
+	
+	private void applyData(ChestConfigData data)
+	{
+		if(data == null)
+			return;
+		
+		enabled = data.enabled;
+		storeFullItemNbt = data.storeFullItemNbt;
+		if(data.dbPath != null && !data.dbPath.isBlank())
+			dbPath = data.dbPath;
+		graceTicks = data.graceTicks;
+		scanRadius = data.scanRadius;
+	}
+	
 	public synchronized void load()
 	{
 		try
@@ -52,13 +77,8 @@ public synchronized void load()
 			}
 			try(FileReader r = new FileReader(file))
 			{
-				ChestConfig c = gson.fromJson(r, ChestConfig.class);
-				if(c != null)
-				{
-					this.enabled = c.enabled;
-					this.storeFullItemNbt = c.storeFullItemNbt;
-					this.dbPath = c.dbPath;
-				}
+				ChestConfigData c = gson.fromJson(r, ChestConfigData.class);
+				applyData(c);
 			}
 		}catch(Exception e)
 		{
@@ -70,10 +90,19 @@ public synchronized void save()
 	{
 		try(FileWriter w = new FileWriter(file))
 		{
-			gson.toJson(this, w);
+			gson.toJson(toData(), w);
 		}catch(Exception e)
 		{
 			e.printStackTrace();
 		}
 	}
+	
+	private static class ChestConfigData
+	{
+		public boolean enabled = true;
+		public boolean storeFullItemNbt = true;
+		public String dbPath = "config/wurst/chest_database.json";
+		public int graceTicks = 200;
+		public int scanRadius = 64;
+	}
 }

src/main/java/net/wurstclient/hack/HackList.java

@@ -34,7 +34,8 @@ public final class HackList implements UpdateListener
 	public final AntiAfkHack antiAfkHack = new AntiAfkHack();
 	public final AntiBlindHack antiBlindHack = new AntiBlindHack();
 	public final AntiCactusHack antiCactusHack = new AntiCactusHack();
-	public final AntiDropHack antiDropHack = new AntiDropHack();
+	public final AntiDropHack antiDropHack = new AntiDropHack();
+	public final AntiBlastHack antiBlastHack = new AntiBlastHack();
 	public final AntiEntityPushHack antiEntityPushHack =
 		new AntiEntityPushHack();
 	public final AntiHungerHack antiHungerHack = new AntiHungerHack();

src/main/java/net/wurstclient/hacks/AntiBlastHack.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2014-2025 Wurst-Imperium and contributors.
+ *
+ * This source code is subject to the terms of the GNU General Public
+ * License, version 3. If a copy of the GPL was not distributed with this
+ * file, You can obtain one at: https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+package net.wurstclient.hacks;
+
+import net.minecraft.util.math.Vec3d;
+import net.wurstclient.Category;
+import net.wurstclient.SearchTags;
+import net.wurstclient.hack.Hack;
+import net.wurstclient.settings.SliderSetting;
+import net.wurstclient.settings.SliderSetting.ValueDisplay;
+
+@SearchTags({"anti explosion", "anti blast", "no explosion knockback",
+	"no blast knockback", "anti wind charge", "wind charge"})
+public final class AntiBlastHack extends Hack
+{
+	private final SliderSetting hStrength =
+		new SliderSetting("Horizontal Strength",
+			"How far to reduce horizontal explosion knockback.\n"
+				+ "-100% = double knockback\n" + "0% = normal knockback\n"
+				+ "100% = no knockback\n" + ">100% = reverse knockback",
+			1, -1, 2, 0.01, ValueDisplay.PERCENTAGE);
+	
+	private final SliderSetting vStrength =
+		new SliderSetting("Vertical Strength",
+			"How far to reduce vertical explosion knockback.\n"
+				+ "-100% = double knockback\n" + "0% = normal knockback\n"
+				+ "100% = no knockback\n" + ">100% = reverse knockback",
+			1, -1, 2, 0.01, ValueDisplay.PERCENTAGE);
+	
+	public AntiBlastHack()
+	{
+		super("AntiBlast");
+		setCategory(Category.COMBAT);
+		addSetting(hStrength);
+		addSetting(vStrength);
+	}
+	
+	public Vec3d modifyKnockback(double defaultX, double defaultY,
+		double defaultZ)
+	{
+		if(!isEnabled())
+			return new Vec3d(defaultX, defaultY, defaultZ);
+		
+		double horizontalMultiplier = 1 - hStrength.getValue();
+		double verticalMultiplier = 1 - vStrength.getValue();
+		
+		return new Vec3d(defaultX * horizontalMultiplier,
+			defaultY * verticalMultiplier, defaultZ * horizontalMultiplier);
+	}
+}

src/main/java/net/wurstclient/mixin/ClientPlayNetworkHandlerMixin.java

@@ -7,6 +7,8 @@
  */
 package net.wurstclient.mixin;
 
+import java.util.Optional;
+
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
@@ -15,6 +17,7 @@
 import net.minecraft.client.MinecraftClient;
 import net.minecraft.client.network.ClientCommonNetworkHandler;
 import net.minecraft.client.network.ClientConnectionState;
+import net.minecraft.client.network.ClientPlayerEntity;
 import net.minecraft.client.network.ClientPlayNetworkHandler;
 import net.minecraft.client.toast.SystemToast;
 import net.minecraft.network.ClientConnection;
@@ -23,9 +26,11 @@
 import net.minecraft.network.packet.s2c.play.BlockUpdateS2CPacket;
 import net.minecraft.network.packet.s2c.play.ChunkData;
 import net.minecraft.network.packet.s2c.play.ChunkDeltaUpdateS2CPacket;
+import net.minecraft.network.packet.s2c.play.ExplosionS2CPacket;
 import net.minecraft.network.packet.s2c.play.GameJoinS2CPacket;
 import net.minecraft.text.MutableText;
 import net.minecraft.text.Text;
+import net.minecraft.util.math.Vec3d;
 import net.wurstclient.WurstClient;
 import net.wurstclient.util.ChatUtils;
 
@@ -95,4 +100,28 @@ private void onOnChunkDeltaUpdate(ChunkDeltaUpdateS2CPacket packet,
 			(pos, state) -> WurstClient.INSTANCE.getHax().newChunksHack
 				.afterUpdateBlock(pos));
 	}
+	
+	@Inject(
+		method = "onExplosion(Lnet/minecraft/network/packet/s2c/play/ExplosionS2CPacket;)V",
+		at = @At(value = "INVOKE",
+			target = "Ljava/util/Optional;ifPresent(Ljava/util/function/Consumer;)V"),
+		cancellable = true)
+	private void wurst$handleExplosionKnockback(ExplosionS2CPacket packet,
+		CallbackInfo ci)
+	{
+		ClientPlayerEntity player = client.player;
+		if(player == null)
+			return;
+		
+		Optional<Vec3d> knockback = packet.playerKnockback();
+		if(knockback.isEmpty())
+			return;
+		
+		Vec3d vec = knockback.get();
+		Vec3d adjusted = WurstClient.INSTANCE.getHax().antiBlastHack
+			.modifyKnockback(vec.x, vec.y, vec.z);
+		
+		player.addVelocity(adjusted.x, adjusted.y, adjusted.z);
+		ci.cancel();
+	}
 }

src/main/resources/assets/wurst/translations/en_us.json

@@ -19,6 +19,7 @@
   "description.wurst.hack.anticactus": "Protects you from cactus damage.",
   "description.wurst.hack.antidrop": "Prevents you from dropping the selected items by accident. Defaults to all weapons, tools, and shulker boxes.",
   "description.wurst.hack.antientitypush": "Prevents you from getting pushed by players and mobs.",
+  "description.wurst.hack.antiblast": "Reduces or reverses knockback from explosions, wind charges, and other blast-based sources.",
   "description.wurst.hack.antihunger": "Slows down your hunger when you are walking.\n\n??c??lWARNING:??r There have been reports of this hack causing you to take extra fall damage under specific, unknown conditions.",
   "description.wurst.hack.antiknockback": "Prevents you from taking knockback from players and mobs.",
   "description.wurst.hack.antisocial": "Automatically disconnects the moment PlayerESP spots someone entering your range, perfect for hiding while AFK farming.",