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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.
24 lines
1.5 KiB
Diff
24 lines
1.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Warrior <50800980+Warriorrrr@users.noreply.github.com>
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Date: Mon, 27 Feb 2023 19:16:07 +0100
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Subject: [PATCH] Fix MC-157464 Prevent sleeping villagers moving towards food
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Fixes sleeping villagers moving to nearby food by adding an !isSleeping predicate
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Relevant links:
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https://bugs.mojang.com/browse/MC-157464
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https://github.com/PaperMC/Paper/issues/8569
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diff --git a/src/main/java/net/minecraft/world/entity/ai/behavior/VillagerGoalPackages.java b/src/main/java/net/minecraft/world/entity/ai/behavior/VillagerGoalPackages.java
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index 5a18bf854792339fcd54e32f8053d014f3d195a5..f000a6c1e61198e6dd06ae5f084d12fdf309f50a 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/behavior/VillagerGoalPackages.java
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+++ b/src/main/java/net/minecraft/world/entity/ai/behavior/VillagerGoalPackages.java
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@@ -38,7 +38,7 @@ public class VillagerGoalPackages {
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Pair.of(1, new MoveToTargetSink()),
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Pair.of(2, PoiCompetitorScan.create()),
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Pair.of(3, new LookAndFollowTradingPlayerSink(speed)),
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- Pair.of(5, GoToWantedItem.create(speed, false, 4)),
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+ Pair.of(5, GoToWantedItem.create(villager -> !villager.isSleeping(), speed, false, 4)), // Paper - Fix MC-157464
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Pair.of(
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6, AcquirePoi.create(profession.acquirableJobSite(), MemoryModuleType.JOB_SITE, MemoryModuleType.POTENTIAL_JOB_SITE, true, Optional.empty())
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),
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