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geforkt von Mirrors/Paper
Paper/patches/server/0971-Prevent-NPE-if-hooked-entity-was-cleared.patch
Bjarne Koll c5a10665b8
Remove wall-time / unused skip tick protection (#11412)
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.
2024-09-19 16:36:07 +02:00

25 Zeilen
1.8 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Sun, 12 May 2024 21:57:23 -0700
Subject: [PATCH] Prevent NPE if hooked entity was cleared
diff --git a/src/main/java/net/minecraft/world/entity/projectile/FishingHook.java b/src/main/java/net/minecraft/world/entity/projectile/FishingHook.java
index 270f4c94912b16c7d4a2d62670847cbb5e011819..6ce65e5b336be9b49db84f1c4755c2e2ce7f8378 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/FishingHook.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/FishingHook.java
@@ -504,11 +504,13 @@ public class FishingHook extends Projectile {
if (playerFishEvent.isCancelled()) {
return 0;
}
+ if (this.hookedIn != null) { // Paper - re-check to see if there is a hooked entity
// CraftBukkit end
this.pullEntity(this.hookedIn);
CriteriaTriggers.FISHING_ROD_HOOKED.trigger((ServerPlayer) entityhuman, usedItem, this, Collections.emptyList());
this.level().broadcastEntityEvent(this, (byte) 31);
i = this.hookedIn instanceof ItemEntity ? 3 : 5;
+ } // Paper - re-check to see if there is a hooked entity
} else if (this.nibble > 0) {
LootParams lootparams = (new LootParams.Builder((ServerLevel) this.level())).withParameter(LootContextParams.ORIGIN, this.position()).withParameter(LootContextParams.TOOL, usedItem).withParameter(LootContextParams.THIS_ENTITY, this).withLuck((float) this.luck + entityhuman.getLuck()).create(LootContextParamSets.FISHING);
LootTable loottable = this.level().getServer().reloadableRegistries().getLootTable(BuiltInLootTables.FISHING);