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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.
28 Zeilen
1.4 KiB
Diff
28 Zeilen
1.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Dmitry Sidorov <jonmagon@gmail.com>
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Date: Thu, 4 Feb 2021 20:32:01 +0300
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Subject: [PATCH] Drop carried item when player has disconnected
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Fixes disappearance of held items, when a player gets disconnected and PlayerDropItemEvent is cancelled.
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Closes #5036
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diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
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index 123fe4f5b98a7483af86695ec82987abd45eafb2..bbc6f64a3b2c0702a0a752acd48145cdcafd742e 100644
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--- a/src/main/java/net/minecraft/server/players/PlayerList.java
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+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
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@@ -588,6 +588,14 @@ public abstract class PlayerList {
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}
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// Paper end - Configurable player collision
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+ // Paper - Drop carried item when player has disconnected
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+ if (!entityplayer.containerMenu.getCarried().isEmpty()) {
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+ net.minecraft.world.item.ItemStack carried = entityplayer.containerMenu.getCarried();
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+ entityplayer.containerMenu.setCarried(net.minecraft.world.item.ItemStack.EMPTY);
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+ entityplayer.drop(carried, false);
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+ }
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+ // Paper end - Drop carried item when player has disconnected
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+
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this.save(entityplayer);
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if (entityplayer.isPassenger()) {
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Entity entity = entityplayer.getRootVehicle();
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