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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.
84 lines
4.2 KiB
Diff
84 lines
4.2 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: Wed, 6 Jan 2021 00:34:04 -0800
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Subject: [PATCH] Expand world key API
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java b/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
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index 1963e826548c5a8859c50f57654784c3aef50e44..04a39cb6c13c26e2cb1d73a9da98df5d04df69bc 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
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@@ -515,5 +515,10 @@ public abstract class CraftRegionAccessor implements RegionAccessor {
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public io.papermc.paper.world.MoonPhase getMoonPhase() {
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return io.papermc.paper.world.MoonPhase.getPhase(this.getHandle().dayTime() / 24000L);
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}
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+
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+ @Override
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+ public org.bukkit.NamespacedKey getKey() {
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+ return org.bukkit.craftbukkit.util.CraftNamespacedKey.fromMinecraft(this.getHandle().getLevel().dimension().location());
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+ }
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// Paper end
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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index e4fab101b2d10759b9bd65d35715e377236a5989..99ff052c1935b9eba5fc519ae18c335893595337 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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@@ -1181,9 +1181,15 @@ public final class CraftServer implements Server {
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File folder = new File(this.getWorldContainer(), name);
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World world = this.getWorld(name);
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- if (world != null) {
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- return world;
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+ // Paper start
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+ World worldByKey = this.getWorld(creator.key());
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+ if (world != null || worldByKey != null) {
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+ if (world == worldByKey) {
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+ return world;
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+ }
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+ throw new IllegalArgumentException("Cannot create a world with key " + creator.key() + " and name " + name + " one (or both) already match a world that exists");
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}
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+ // Paper end
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if (folder.exists()) {
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Preconditions.checkArgument(folder.isDirectory(), "File (%s) exists and isn't a folder", name);
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@@ -1309,7 +1315,7 @@ public final class CraftServer implements Server {
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} else if (name.equals(levelName + "_the_end")) {
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worldKey = net.minecraft.world.level.Level.END;
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} else {
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- worldKey = ResourceKey.create(Registries.DIMENSION, ResourceLocation.withDefaultNamespace(name.toLowerCase(Locale.ROOT)));
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+ worldKey = ResourceKey.create(Registries.DIMENSION, ResourceLocation.fromNamespaceAndPath(creator.key().namespace(), creator.key().value()));
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}
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// If set to not keep spawn in memory (changed from default) then adjust rule accordingly
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@@ -1405,6 +1411,15 @@ public final class CraftServer implements Server {
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return null;
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}
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+ // Paper start
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+ @Override
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+ public World getWorld(net.kyori.adventure.key.Key worldKey) {
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+ ServerLevel worldServer = console.getLevel(ResourceKey.create(net.minecraft.core.registries.Registries.DIMENSION, io.papermc.paper.adventure.PaperAdventure.asVanilla(worldKey)));
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+ if (worldServer == null) return null;
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+ return worldServer.getWorld();
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+ }
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+ // Paper end
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+
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public void addWorld(World world) {
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// Check if a World already exists with the UID.
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if (this.getWorld(world.getUID()) != null) {
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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index 481aeb922952578ea68ce2425c84e1a93eff0cf9..b075d4b21b53a3f39094444e4024556b23e399f2 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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@@ -516,6 +516,11 @@ public final class CraftMagicNumbers implements UnsafeValues {
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public int nextEntityId() {
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return net.minecraft.world.entity.Entity.nextEntityId();
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}
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+
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+ @Override
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+ public String getMainLevelName() {
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+ return ((net.minecraft.server.dedicated.DedicatedServer) net.minecraft.server.MinecraftServer.getServer()).getProperties().levelName;
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+ }
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// Paper end
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@Override
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