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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Sun, 22 May 2016 20:20:55 -0500
Subject: [PATCH] Optional TNT doesn't move in water
diff --git a/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java b/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java
index f127cac376cf4d0e585d12cd5976a3aee567403a..4772e7978858263702312669f400d3da9c486730 100644
--- a/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java
+++ b/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java
@@ -107,6 +107,27 @@ public class PrimedTnt extends Entity implements TraceableEntity {
}
}
+ // Paper start - Option to prevent TNT from moving in water
+ if (!this.isRemoved() && this.wasTouchingWater && this.level().paperConfig().fixes.preventTntFromMovingInWater) {
+ /*
+ * Author: Jedediah Smith <jedediah@silencegreys.com>
+ */
+ // 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.
+ net.minecraft.server.level.ChunkMap.TrackedEntity ete = ((net.minecraft.server.level.ServerLevel)this.level()).getChunkSource().chunkMap.entityMap.get(this.getId());
+ if (ete != null) {
+ net.minecraft.network.protocol.game.ClientboundSetEntityMotionPacket velocityPacket = new net.minecraft.network.protocol.game.ClientboundSetEntityMotionPacket(this);
+ net.minecraft.network.protocol.game.ClientboundTeleportEntityPacket positionPacket = new net.minecraft.network.protocol.game.ClientboundTeleportEntityPacket(this);
+
+ ete.seenBy.stream()
+ .filter(viewer -> (viewer.getPlayer().getX() - this.getX()) * (viewer.getPlayer().getY() - this.getY()) * (viewer.getPlayer().getZ() - this.getZ()) < 16 * 16)
+ .forEach(viewer -> {
+ viewer.send(velocityPacket);
+ viewer.send(positionPacket);
+ });
+ }
+ }
+ // Paper end - Option to prevent TNT from moving in water
}
private void explode() {
@@ -165,4 +186,11 @@ public class PrimedTnt extends Entity implements TraceableEntity {
public BlockState getBlockState() {
return (BlockState) this.entityData.get(PrimedTnt.DATA_BLOCK_STATE_ID);
}
+
+ // Paper start - Option to prevent TNT from moving in water
+ @Override
+ public boolean isPushedByFluid() {
+ return !level().paperConfig().fixes.preventTntFromMovingInWater && super.isPushedByFluid();
+ }
+ // Paper end - Option to prevent TNT from moving in water
}
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