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c5a10665b8
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.
33 lines
1.7 KiB
Diff
33 lines
1.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Sat, 15 Jun 2019 10:28:25 -0700
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Subject: [PATCH] Show blockstate location if we failed to read it
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diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
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index 1ca25dfdb9ec5c3a4d26b71484e1326e1f50b40d..302955eed07d3af91f90875583c70a236bbe11b2 100644
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--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
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+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockEntityState.java
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@@ -32,6 +32,7 @@ public class CraftBlockEntityState<T extends BlockEntity> extends CraftBlockStat
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this.tileEntity = tileEntity;
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+ try { // Paper - Show blockstate location if we failed to read it
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// Paper start
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this.snapshotDisabled = DISABLE_SNAPSHOT;
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if (DISABLE_SNAPSHOT) {
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@@ -44,6 +45,14 @@ public class CraftBlockEntityState<T extends BlockEntity> extends CraftBlockStat
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this.load(this.snapshot);
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}
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// Paper end
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+ // Paper start - Show blockstate location if we failed to read it
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+ } catch (Throwable thr) {
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+ if (thr instanceof ThreadDeath) {
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+ throw (ThreadDeath)thr;
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+ }
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+ throw new RuntimeException("Failed to read BlockState at: world: " + this.getWorld().getName() + " location: (" + this.getX() + ", " + this.getY() + ", " + this.getZ() + ")", thr);
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+ }
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+ // Paper end - Show blockstate location if we failed to read it
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}
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protected CraftBlockEntityState(CraftBlockEntityState<T> state, Location location) {
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