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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.
22 Zeilen
1.0 KiB
Diff
22 Zeilen
1.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 2 Apr 2020 19:31:16 -0400
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Subject: [PATCH] Dead Player's shouldn't be able to move
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This fixes a lot of game state issues where packets were delayed for processing
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due to 1.15's new queue but processed while dead.
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diff --git a/src/main/java/net/minecraft/world/entity/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
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index fa906334a1c569748d3f2dc073ec03a85bd09d3b..cb89b020d93ac838843ec2cbad562326a1e4257b 100644
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--- a/src/main/java/net/minecraft/world/entity/player/Player.java
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+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
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@@ -1173,7 +1173,7 @@ public abstract class Player extends LivingEntity {
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@Override
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protected boolean isImmobile() {
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- return super.isImmobile() || this.isSleeping();
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+ return super.isImmobile() || this.isSleeping() || this.isRemoved() || !valid; // Paper - player's who are dead or not in a world shouldn't move...
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}
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@Override
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