From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Zach Brown Date: Sun, 22 May 2016 20:20:55 -0500 Subject: [PATCH] Optional TNT doesn't move in water diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java index eb04fdb172a50ec1f5b7fe78fa0e7655246abd60..6eca3f300020006f02dd36253b522db442e3cc33 100644 --- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java +++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java @@ -2,7 +2,6 @@ package com.destroystokyo.paper; import java.util.List; -import org.bukkit.Bukkit; import org.bukkit.configuration.file.YamlConfiguration; import org.spigotmc.SpigotWorldConfig; @@ -291,4 +290,14 @@ public class PaperWorldConfig { ); } } + + public boolean preventTntFromMovingInWater; + private void preventTntFromMovingInWater() { + if (PaperConfig.version < 13) { + boolean oldVal = getBoolean("enable-old-tnt-cannon-behaviors", false); + set("prevent-tnt-from-moving-in-water", oldVal); + } + preventTntFromMovingInWater = getBoolean("prevent-tnt-from-moving-in-water", false); + log("Prevent TNT from moving in water: " + preventTntFromMovingInWater); + } } diff --git a/src/main/java/net/minecraft/server/level/EntityTrackerEntry.java b/src/main/java/net/minecraft/server/level/EntityTrackerEntry.java index f5227aa761d326376d057eaadcdbef024ed30241..44b79c97d5cc7570683e1b7f025b4f3ad65beb81 100644 --- a/src/main/java/net/minecraft/server/level/EntityTrackerEntry.java +++ b/src/main/java/net/minecraft/server/level/EntityTrackerEntry.java @@ -67,7 +67,7 @@ public class EntityTrackerEntry { private boolean q; private boolean r; // CraftBukkit start - private final Set trackedPlayers; + final Set trackedPlayers; // Paper - private -> package // Paper start private java.util.Map trackedPlayerMap = null; diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java index f942d75982409f7640f073f9c77f8939225c6939..88ffc594a2ee7f8718337883609ad4c082f85f50 100644 --- a/src/main/java/net/minecraft/world/entity/Entity.java +++ b/src/main/java/net/minecraft/world/entity/Entity.java @@ -2766,6 +2766,11 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, ne } public boolean bV() { + // Paper start + return this.pushedByWater(); + } + public boolean pushedByWater() { + // Paper end return true; } diff --git a/src/main/java/net/minecraft/world/entity/item/EntityTNTPrimed.java b/src/main/java/net/minecraft/world/entity/item/EntityTNTPrimed.java index 535e7d7297d81026b8586d5049b72fa65519b464..63b35feac07f01b200dd68c4836ceb419e951660 100644 --- a/src/main/java/net/minecraft/world/entity/item/EntityTNTPrimed.java +++ b/src/main/java/net/minecraft/world/entity/item/EntityTNTPrimed.java @@ -4,10 +4,14 @@ import javax.annotation.Nullable; import net.minecraft.core.particles.Particles; import net.minecraft.nbt.NBTTagCompound; import net.minecraft.network.protocol.Packet; +import net.minecraft.network.protocol.game.PacketPlayOutEntityTeleport; +import net.minecraft.network.protocol.game.PacketPlayOutEntityVelocity; import net.minecraft.network.protocol.game.PacketPlayOutSpawnEntity; import net.minecraft.network.syncher.DataWatcher; import net.minecraft.network.syncher.DataWatcherObject; import net.minecraft.network.syncher.DataWatcherRegistry; +import net.minecraft.server.level.PlayerChunkMap; +import net.minecraft.server.level.WorldServer; import net.minecraft.world.entity.Entity; import net.minecraft.world.entity.EntityLiving; import net.minecraft.world.entity.EntityPose; @@ -96,7 +100,27 @@ public class EntityTNTPrimed extends Entity { this.world.addParticle(Particles.SMOKE, this.locX(), this.locY() + 0.5D, this.locZ(), 0.0D, 0.0D, 0.0D); } } - + // Paper start - Optional prevent TNT from moving in water + if (!this.dead && this.inWater && this.world.paperConfig.preventTntFromMovingInWater) { + /* + * Author: Jedediah Smith + */ + // Send position and velocity updates to nearby players on every tick while the TNT is in water. + // This does pretty well at keeping their clients in sync with the server. + PlayerChunkMap.EntityTracker ete = ((WorldServer)this.world).getChunkProvider().playerChunkMap.trackedEntities.get(this.getId()); + if (ete != null) { + PacketPlayOutEntityVelocity velocityPacket = new PacketPlayOutEntityVelocity(this); + PacketPlayOutEntityTeleport positionPacket = new PacketPlayOutEntityTeleport(this); + + ete.trackedPlayers.stream() + .filter(viewer -> (viewer.locX() - this.locX()) * (viewer.locY() - this.locY()) * (viewer.locZ() - this.locZ()) < 16 * 16) + .forEach(viewer -> { + viewer.playerConnection.sendPacket(velocityPacket); + viewer.playerConnection.sendPacket(positionPacket); + }); + } + } + // Paper end } private void explode() { @@ -165,4 +189,11 @@ public class EntityTNTPrimed extends Entity { public Packet P() { return new PacketPlayOutSpawnEntity(this); } + + // Paper start - Optional prevent TNT from moving in water + @Override + public boolean pushedByWater() { + return !world.paperConfig.preventTntFromMovingInWater && super.pushedByWater(); + } + // Paper end }