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/net/minecraft/world/entity/item/PrimedTnt.java b/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java index f068b57167b183e68db897c70036cdc366a83c98..16f9d38687c0fdda18468b5bfb61b09b98254968 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 + */ + // 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() { @@ -172,4 +193,11 @@ 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 }