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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.
85 lines
5 KiB
Diff
85 lines
5 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: Tue, 22 Nov 2022 13:16:01 -0800
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Subject: [PATCH] check global player list where appropriate
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Makes certain entities check all players when searching for a player
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instead of just checking players in their world.
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diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
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index faacbdcce7de32f4e3e4a9528ea59808ccaee70b..07f7752651095abdd9e9408a419aed7d78173d3a 100644
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--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
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+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -2300,4 +2300,12 @@ public class ServerLevel extends Level implements WorldGenLevel {
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entity.updateDynamicGameEventListener(DynamicGameEventListener::move);
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}
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}
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+
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+ // Paper start - check global player list where appropriate
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+ @Override
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+ @Nullable
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+ public Player getGlobalPlayerByUUID(UUID uuid) {
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+ return this.server.getPlayerList().getPlayer(uuid);
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+ }
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+ // Paper end - check global player list where appropriate
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}
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diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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index e6d20887572817099cb863515978d3f06926be3d..f662a791e8cb045903a0de29778e5f30892fb766 100644
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--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
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+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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@@ -3723,7 +3723,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
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}
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public void onItemPickup(ItemEntity item) {
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- Entity entity = item.getOwner();
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+ Entity entity = item.thrower != null ? this.level().getGlobalPlayerByUUID(item.thrower) : null; // Paper - check global player list where appropriate
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if (entity instanceof ServerPlayer) {
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CriteriaTriggers.THROWN_ITEM_PICKED_UP_BY_ENTITY.trigger((ServerPlayer) entity, item.getItem(), this);
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diff --git a/src/main/java/net/minecraft/world/entity/monster/ZombieVillager.java b/src/main/java/net/minecraft/world/entity/monster/ZombieVillager.java
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index f8c733961015ace508bfe14fd61d5188ca9d551b..e0dabbf6d7a87b8722769c78ef0d2ba4353ed2cb 100644
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--- a/src/main/java/net/minecraft/world/entity/monster/ZombieVillager.java
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+++ b/src/main/java/net/minecraft/world/entity/monster/ZombieVillager.java
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@@ -269,7 +269,7 @@ public class ZombieVillager extends Zombie implements VillagerDataHolder {
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entityvillager.finalizeSpawn(world, world.getCurrentDifficultyAt(entityvillager.blockPosition()), MobSpawnType.CONVERSION, (SpawnGroupData) null);
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entityvillager.refreshBrain(world);
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if (this.conversionStarter != null) {
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- Player entityhuman = world.getPlayerByUUID(this.conversionStarter);
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+ Player entityhuman = world.getGlobalPlayerByUUID(this.conversionStarter); // Paper - check global player list where appropriate
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if (entityhuman instanceof ServerPlayer) {
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CriteriaTriggers.CURED_ZOMBIE_VILLAGER.trigger((ServerPlayer) entityhuman, this, entityvillager);
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diff --git a/src/main/java/net/minecraft/world/level/EntityGetter.java b/src/main/java/net/minecraft/world/level/EntityGetter.java
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index d465fb01af4c8610f83ecb9c68b83127cf7e95ae..bd20bea7f76a7307f1698fb2dfef37125032d166 100644
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--- a/src/main/java/net/minecraft/world/level/EntityGetter.java
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+++ b/src/main/java/net/minecraft/world/level/EntityGetter.java
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@@ -237,4 +237,11 @@ public interface EntityGetter {
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return null;
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}
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+
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+ // Paper start - check global player list where appropriate
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+ @Nullable
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+ default Player getGlobalPlayerByUUID(UUID uuid) {
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+ return this.getPlayerByUUID(uuid);
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+ }
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+ // Paper end - check global player list where appropriate
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}
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diff --git a/src/main/java/net/minecraft/world/level/block/entity/SculkShriekerBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/SculkShriekerBlockEntity.java
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index dd86f5ec5b2051aeea4e19ff97146362b1e8d019..0c6561e53db1b82f70dec00729d4d8a70c8fd4a1 100644
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--- a/src/main/java/net/minecraft/world/level/block/entity/SculkShriekerBlockEntity.java
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+++ b/src/main/java/net/minecraft/world/level/block/entity/SculkShriekerBlockEntity.java
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@@ -105,6 +105,13 @@ public class SculkShriekerBlockEntity extends BlockEntity implements GameEventLi
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@Nullable
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public static ServerPlayer tryGetPlayer(@Nullable Entity entity) {
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+ // Paper start - check global player list where appropriate; ensure level is the same for sculk events
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+ final ServerPlayer player = tryGetPlayer0(entity);
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+ return player != null && player.level() == entity.level() ? player : null;
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+ }
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+ @Nullable
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+ private static ServerPlayer tryGetPlayer0(@Nullable Entity entity) {
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+ // Paper end - check global player list where appropriate
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if (entity instanceof ServerPlayer) {
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return (ServerPlayer)entity;
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} else {
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