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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.
41 lines
2.4 KiB
Diff
41 lines
2.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jake Potrebic <jake.m.potrebic@gmail.com>
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Date: Sat, 21 Aug 2021 21:54:16 -0700
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Subject: [PATCH] Fix bees aging inside hives
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Fixes bees incorrectly being aged up due to upstream's
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resetting the ticks inside hive on a failed release
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diff --git a/src/main/java/net/minecraft/world/level/block/entity/BeehiveBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BeehiveBlockEntity.java
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index 1a3d8755c8f6a7cfe06069e2082d8147aaaff097..f933fa419a4b55b0096ff42caf1b071d027b8e7e 100644
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--- a/src/main/java/net/minecraft/world/level/block/entity/BeehiveBlockEntity.java
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+++ b/src/main/java/net/minecraft/world/level/block/entity/BeehiveBlockEntity.java
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@@ -314,7 +314,7 @@ public class BeehiveBlockEntity extends BlockEntity {
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iterator.remove();
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// CraftBukkit start
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} else {
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- tileentitybeehive_hivebee.ticksInHive = tileentitybeehive_hivebee.occupant.minTicksInHive / 2; // Not strictly Vanilla behaviour in cases where bees cannot spawn but still reasonable
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+ tileentitybeehive_hivebee.exitTickCounter = tileentitybeehive_hivebee.occupant.minTicksInHive / 2; // Not strictly Vanilla behaviour in cases where bees cannot spawn but still reasonable // Paper - Fix bees aging inside hives; use exitTickCounter to keep actual bee life
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// CraftBukkit end
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}
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}
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@@ -474,15 +474,18 @@ public class BeehiveBlockEntity extends BlockEntity {
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private static class BeeData {
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private final BeehiveBlockEntity.Occupant occupant;
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+ private int exitTickCounter; // Paper - Fix bees aging inside hives; separate counter for checking if bee should exit to reduce exit attempts
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private int ticksInHive;
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BeeData(BeehiveBlockEntity.Occupant data) {
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this.occupant = data;
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this.ticksInHive = data.ticksInHive();
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+ this.exitTickCounter = this.ticksInHive; // Paper - Fix bees aging inside hives
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}
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public boolean tick() {
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- return this.ticksInHive++ > this.occupant.minTicksInHive;
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+ this.ticksInHive++; // Paper - Fix bees aging inside hives
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+ return this.exitTickCounter++ > this.occupant.minTicksInHive; // Paper - Fix bees aging inside hives
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}
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public BeehiveBlockEntity.Occupant toOccupant() {
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