Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-15 02:50:09 +01:00
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.
83 Zeilen
4.0 KiB
Diff
83 Zeilen
4.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
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Date: Sun, 26 Dec 2021 20:27:43 -0500
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Subject: [PATCH] Freeze Tick Lock API
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diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
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index 9f40cc481ded9279319d92fe5a0a9278a3f5d9c2..7d9ebc71b794d40246cbd43ff4de5795970e7ebe 100644
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--- a/src/main/java/net/minecraft/world/entity/Entity.java
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+++ b/src/main/java/net/minecraft/world/entity/Entity.java
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@@ -411,6 +411,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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private org.bukkit.util.Vector origin;
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@javax.annotation.Nullable
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private UUID originWorld;
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+ public boolean freezeLocked = false; // Paper - Freeze Tick Lock API
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public void setOrigin(@javax.annotation.Nonnull Location location) {
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this.origin = location.toVector();
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@@ -751,7 +752,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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this.setRemainingFireTicks(this.remainingFireTicks - 1);
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}
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- if (this.getTicksFrozen() > 0) {
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+ if (this.getTicksFrozen() > 0 && !freezeLocked) { // Paper - Freeze Tick Lock API
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this.setTicksFrozen(0);
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this.level().levelEvent((Player) null, 1009, this.blockPosition, 1);
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}
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@@ -2312,6 +2313,9 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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if (fromNetherPortal) {
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nbttagcompound.putBoolean("Paper.FromNetherPortal", true);
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}
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+ if (freezeLocked) {
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+ nbttagcompound.putBoolean("Paper.FreezeLock", true);
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+ }
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// Paper end
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return nbttagcompound;
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} catch (Throwable throwable) {
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@@ -2456,6 +2460,9 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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if (spawnReason == null) {
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spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.DEFAULT;
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}
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+ if (nbt.contains("Paper.FreezeLock")) {
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+ freezeLocked = nbt.getBoolean("Paper.FreezeLock");
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+ }
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// Paper end
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} catch (Throwable throwable) {
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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 ee7bb1a01bf027eb7b28e3795950a17e5f686815..01a6e91f1b8f619e99d9bccde12f6e91e6ab5eb8 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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@@ -3497,7 +3497,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
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this.level().getProfiler().pop();
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this.level().getProfiler().push("freezing");
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- if (!this.level().isClientSide && !this.isDeadOrDying()) {
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+ if (!this.level().isClientSide && !this.isDeadOrDying() && !this.freezeLocked) { // Paper - Freeze Tick Lock API
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int i = this.getTicksFrozen();
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if (this.isInPowderSnow && this.canFreeze()) {
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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index 4ed5647101bbace0005b1ebfb824e4aed48e43cb..4c09f2529dd8eb7ac7d260d177f5292ff2339442 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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@@ -323,6 +323,17 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
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return this.getHandle().isFullyFrozen();
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}
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+ // Paper start - Freeze Tick Lock API
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+ @Override
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+ public boolean isFreezeTickingLocked() {
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+ return this.entity.freezeLocked;
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+ }
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+
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+ @Override
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+ public void lockFreezeTicks(boolean locked) {
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+ this.entity.freezeLocked = locked;
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+ }
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+ // Paper end - Freeze Tick Lock API
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@Override
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public void remove() {
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this.entity.pluginRemoved = true;
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