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Mirror von https://github.com/PaperMC/Paper.git synchronisiert 2024-12-15 02:50:09 +01:00
Paper/patches/server/0296-Dont-send-unnecessary-sign-update.patch
Bjarne Koll c5a10665b8
Remove wall-time / unused skip tick protection (#11412)
Spigot still maintains some partial implementation of "tick skipping", a
practice in which the MinecraftServer.currentTick field is updated not
by an increment of one per actual tick, but instead set to
System.currentTimeMillis() / 50. This behaviour means that the tracked
tick may "skip" a tick value in case a previous tick took more than the
expected 50ms.

To compensate for this in important paths, spigot/craftbukkit
implements "wall-time". Instead of incrementing/decrementing ticks on
block entities/entities by one for each call to their tick() method,
they instead increment/decrement important values, like
an ItemEntity's age or pickupDelay, by the difference of
`currentTick - lastTick`, where `lastTick` is the value of
`currentTick` during the last tick() call.

These "fixes" however do not play nicely with minecraft's simulation
distance as entities/block entities implementing the above behaviour
would "catch up" their values when moving from a non-ticking chunk to a
ticking one as their `lastTick` value remains stuck on the last tick in
a ticking chunk and hence lead to a large "catch up" once ticked again.

Paper completely removes the "tick skipping" behaviour (See patch
"Further-improve-server-tick-loop"), making the above precautions
completely unnecessary, which also rids paper of the previous described
incompatibility with non-ticking chunks.
2024-09-19 16:36:07 +02:00

19 Zeilen
1.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
Date: Sat, 11 Sep 2021 11:56:51 +0200
Subject: [PATCH] Dont send unnecessary sign update
diff --git a/src/main/java/net/minecraft/world/level/block/entity/SignBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/SignBlockEntity.java
index 394d0b03f18d55b43f091a9ae1a47e06a6fa4c0d..87e272cfb145c37d26b0bf56f97ec784a9bfd98e 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/SignBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/SignBlockEntity.java
@@ -185,6 +185,7 @@ public class SignBlockEntity extends BlockEntity implements CommandSource { // C
this.level.sendBlockUpdated(this.getBlockPos(), this.getBlockState(), this.getBlockState(), 3);
} else {
SignBlockEntity.LOGGER.warn("Player {} just tried to change non-editable sign", player.getName().getString());
+ if (player.distanceToSqr(this.getBlockPos().getX(), this.getBlockPos().getY(), this.getBlockPos().getZ()) < 32 * 32) // Paper - Dont send far away sign update
((ServerPlayer) player).connection.send(this.getUpdatePacket()); // CraftBukkit
}
}