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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.
23 Zeilen
1.2 KiB
Diff
23 Zeilen
1.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Yive <admin@yive.me>
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Date: Sun, 24 Jan 2021 08:55:19 -0800
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Subject: [PATCH] Reset shield blocking on dimension change
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diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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index 2ea613f818403f8e8ece4b36891738139345cf89..fffd3ae6c4fc0b86057cd915bb4f0987f41a64d0 100644
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--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
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+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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@@ -1349,6 +1349,11 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player {
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PlayerChangedWorldEvent changeEvent = new PlayerChangedWorldEvent(this.getBukkitEntity(), worldserver1.getWorld());
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this.level().getCraftServer().getPluginManager().callEvent(changeEvent);
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// CraftBukkit end
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+ // Paper start - Reset shield blocking on dimension change
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+ if (this.isBlocking()) {
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+ this.stopUsingItem();
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+ }
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+ // Paper end - Reset shield blocking on dimension change
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return this;
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}
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}
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