mirror of https://github.com/PaperMC/Paper.git
187 lines
9.8 KiB
Diff
187 lines
9.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 7 May 2020 19:17:36 -0400
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Subject: [PATCH] Fix Light Command
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This lets you run /paper fixlight <chunkRadius> (max 5) to automatically
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fix all light data in the chunks.
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diff --git a/src/main/java/io/papermc/paper/command/PaperCommand.java b/src/main/java/io/papermc/paper/command/PaperCommand.java
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index 395c43f6440c1e0e47919eef096ea8a8d552ccec..f44ab1d71210e84328661c0feb662989a5635b6d 100644
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--- a/src/main/java/io/papermc/paper/command/PaperCommand.java
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+++ b/src/main/java/io/papermc/paper/command/PaperCommand.java
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@@ -2,6 +2,7 @@ package io.papermc.paper.command;
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import io.papermc.paper.command.subcommands.ChunkDebugCommand;
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import io.papermc.paper.command.subcommands.EntityCommand;
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+import io.papermc.paper.command.subcommands.FixLightCommand;
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import io.papermc.paper.command.subcommands.HeapDumpCommand;
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import io.papermc.paper.command.subcommands.ReloadCommand;
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import io.papermc.paper.command.subcommands.VersionCommand;
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@@ -42,6 +43,7 @@ public final class PaperCommand extends Command {
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commands.put(Set.of("reload"), new ReloadCommand());
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commands.put(Set.of("version"), new VersionCommand());
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commands.put(Set.of("debug", "chunkinfo"), new ChunkDebugCommand());
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+ commands.put(Set.of("fixlight"), new FixLightCommand());
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return commands.entrySet().stream()
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.flatMap(entry -> entry.getKey().stream().map(s -> Map.entry(s, entry.getValue())))
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diff --git a/src/main/java/io/papermc/paper/command/subcommands/FixLightCommand.java b/src/main/java/io/papermc/paper/command/subcommands/FixLightCommand.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..190df802cb24aa360f6cf4d291e38b4b3fe4a2ac
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/command/subcommands/FixLightCommand.java
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@@ -0,0 +1,121 @@
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+package io.papermc.paper.command.subcommands;
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+
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+import io.papermc.paper.command.PaperSubcommand;
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+import java.util.ArrayDeque;
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+import java.util.Deque;
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+import net.minecraft.server.MCUtil;
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+import net.minecraft.server.MinecraftServer;
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+import net.minecraft.server.level.ChunkHolder;
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+import net.minecraft.server.level.ServerLevel;
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+import net.minecraft.server.level.ServerPlayer;
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+import net.minecraft.server.level.ThreadedLevelLightEngine;
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+import net.minecraft.world.level.ChunkPos;
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+import net.minecraft.world.level.chunk.LevelChunk;
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+import org.bukkit.command.CommandSender;
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+import org.bukkit.craftbukkit.entity.CraftPlayer;
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+import org.bukkit.entity.Player;
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+import org.checkerframework.checker.nullness.qual.NonNull;
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+import org.checkerframework.checker.nullness.qual.Nullable;
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+import org.checkerframework.framework.qual.DefaultQualifier;
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+
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+import static net.kyori.adventure.text.Component.text;
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+import static net.kyori.adventure.text.format.NamedTextColor.GREEN;
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+import static net.kyori.adventure.text.format.NamedTextColor.RED;
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+
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+@DefaultQualifier(NonNull.class)
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+public final class FixLightCommand implements PaperSubcommand {
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+ @Override
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+ public boolean execute(final CommandSender sender, final String subCommand, final String[] args) {
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+ this.doFixLight(sender, args);
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+ return true;
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+ }
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+
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+ private void doFixLight(final CommandSender sender, final String[] args) {
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+ if (!(sender instanceof Player)) {
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+ sender.sendMessage(text("Only players can use this command", RED));
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+ return;
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+ }
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+ @Nullable Runnable post = null;
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+ int radius = 2;
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+ if (args.length > 0) {
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+ try {
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+ final int parsed = Integer.parseInt(args[0]);
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+ if (parsed < 0) {
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+ sender.sendMessage(text("Radius cannot be negative!", RED));
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+ return;
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+ }
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+ final int maxRadius = 5;
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+ radius = Math.min(maxRadius, parsed);
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+ if (radius != parsed) {
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+ post = () -> sender.sendMessage(text("Radius '" + parsed + "' was not in the required range [0, " + maxRadius + "], it was lowered to the maximum (" + maxRadius + " chunks).", RED));
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+ }
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+ } catch (final Exception e) {
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+ sender.sendMessage(text("'" + args[0] + "' is not a valid number.", RED));
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+ return;
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+ }
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+ }
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+
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+ CraftPlayer player = (CraftPlayer) sender;
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+ ServerPlayer handle = player.getHandle();
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+ ServerLevel world = (ServerLevel) handle.level;
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+ ThreadedLevelLightEngine lightengine = world.getChunkSource().getLightEngine();
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+
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+ net.minecraft.core.BlockPos center = MCUtil.toBlockPosition(player.getLocation());
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+ Deque<ChunkPos> queue = new ArrayDeque<>(MCUtil.getSpiralOutChunks(center, radius));
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+ updateLight(sender, world, lightengine, queue, post);
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+ }
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+
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+ private void updateLight(
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+ final CommandSender sender,
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+ final ServerLevel world,
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+ final ThreadedLevelLightEngine lightengine,
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+ final Deque<ChunkPos> queue,
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+ final @Nullable Runnable done
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+ ) {
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+ @Nullable ChunkPos coord = queue.poll();
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+ if (coord == null) {
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+ sender.sendMessage(text("All Chunks Light updated", GREEN));
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+ if (done != null) {
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+ done.run();
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+ }
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+ return;
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+ }
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+ world.getChunkSource().getChunkAtAsynchronously(coord.x, coord.z, false, false).whenCompleteAsync((either, ex) -> {
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+ if (ex != null) {
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+ sender.sendMessage(text("Error loading chunk " + coord, RED));
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+ updateLight(sender, world, lightengine, queue, done);
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+ return;
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+ }
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+ @Nullable LevelChunk chunk = (net.minecraft.world.level.chunk.LevelChunk) either.left().orElse(null);
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+ if (chunk == null) {
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+ updateLight(sender, world, lightengine, queue, done);
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+ return;
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+ }
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+ lightengine.setTaskPerBatch(world.paperConfig().misc.lightQueueSize + 16 * 256); // ensure full chunk can fit into queue
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+ sender.sendMessage(text("Updating Light " + coord));
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+ int cx = chunk.getPos().x << 4;
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+ int cz = chunk.getPos().z << 4;
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+ for (int y = 0; y < world.getHeight(); y++) {
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+ for (int x = 0; x < 16; x++) {
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+ for (int z = 0; z < 16; z++) {
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+ net.minecraft.core.BlockPos pos = new net.minecraft.core.BlockPos(cx + x, y, cz + z);
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+ lightengine.checkBlock(pos);
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+ }
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+ }
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+ }
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+ lightengine.tryScheduleUpdate();
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+ @Nullable ChunkHolder visibleChunk = world.getChunkSource().chunkMap.getVisibleChunkIfPresent(chunk.coordinateKey);
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+ if (visibleChunk != null) {
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+ world.getChunkSource().chunkMap.addLightTask(visibleChunk, () -> {
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+ MinecraftServer.getServer().processQueue.add(() -> {
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+ visibleChunk.broadcast(new net.minecraft.network.protocol.game.ClientboundLightUpdatePacket(chunk.getPos(), lightengine, null, null, true), false);
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+ updateLight(sender, world, lightengine, queue, done);
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+ });
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+ });
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+ } else {
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+ updateLight(sender, world, lightengine, queue, done);
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+ }
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+ lightengine.setTaskPerBatch(world.paperConfig().misc.lightQueueSize);
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+ }, MinecraftServer.getServer());
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+ }
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+}
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diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
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index 375f66bf1617e255b3465b736076a65e080eb36e..d95db45e21861eb9f1623c44dd797429ae158760 100644
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--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
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+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
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@@ -141,6 +141,12 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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private final ChunkTaskPriorityQueueSorter queueSorter;
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private final ProcessorHandle<ChunkTaskPriorityQueueSorter.Message<Runnable>> worldgenMailbox;
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public final ProcessorHandle<ChunkTaskPriorityQueueSorter.Message<Runnable>> mainThreadMailbox;
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+ // Paper start
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+ final ProcessorHandle<ChunkTaskPriorityQueueSorter.Message<Runnable>> mailboxLight;
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+ public void addLightTask(ChunkHolder playerchunk, Runnable run) {
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+ this.mailboxLight.tell(ChunkTaskPriorityQueueSorter.message(playerchunk, run));
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+ }
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+ // Paper end
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public final ChunkProgressListener progressListener;
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private final ChunkStatusUpdateListener chunkStatusListener;
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public final ChunkMap.ChunkDistanceManager distanceManager;
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@@ -264,11 +270,12 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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this.progressListener = worldGenerationProgressListener;
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this.chunkStatusListener = chunkStatusChangeListener;
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- ProcessorMailbox<Runnable> threadedmailbox1 = ProcessorMailbox.create(executor, "light");
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+ ProcessorMailbox<Runnable> lightthreaded; ProcessorMailbox<Runnable> threadedmailbox1 = lightthreaded = ProcessorMailbox.create(executor, "light"); // Paper
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this.queueSorter = new ChunkTaskPriorityQueueSorter(ImmutableList.of(threadedmailbox, mailbox, threadedmailbox1), executor, Integer.MAX_VALUE);
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this.worldgenMailbox = this.queueSorter.getProcessor(threadedmailbox, false);
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this.mainThreadMailbox = this.queueSorter.getProcessor(mailbox, false);
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+ this.mailboxLight = this.queueSorter.getProcessor(lightthreaded, false);// Paper
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this.lightEngine = new ThreadedLevelLightEngine(chunkProvider, this, this.level.dimensionType().hasSkyLight(), threadedmailbox1, this.queueSorter.getProcessor(threadedmailbox1, false));
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this.distanceManager = new ChunkMap.ChunkDistanceManager(executor, mainThreadExecutor);
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this.overworldDataStorage = persistentStateManagerFactory;
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