From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Aikar Date: Thu, 7 May 2020 19:17:36 -0400 Subject: [PATCH] Fix Light Command This lets you run /paper fixlight (max 5) to automatically fix all light data in the chunks. diff --git a/src/main/java/com/destroystokyo/paper/PaperCommand.java b/src/main/java/com/destroystokyo/paper/PaperCommand.java index eb1e86e8bb0f421e3686ffa02a4015a588107863..d165e8c232c38ba2e2faf93c60c8a127bb74c9b6 100644 --- a/src/main/java/com/destroystokyo/paper/PaperCommand.java +++ b/src/main/java/com/destroystokyo/paper/PaperCommand.java @@ -8,6 +8,8 @@ import com.google.common.collect.ImmutableSet; import com.google.common.collect.Iterables; import com.google.common.collect.Lists; import com.google.common.collect.Maps; +import net.minecraft.core.BlockPosition; +import net.minecraft.network.protocol.game.PacketPlayOutLightUpdate; import net.minecraft.resources.MinecraftKey; import com.google.gson.JsonObject; import com.google.gson.internal.Streams; @@ -15,12 +17,14 @@ import com.google.gson.stream.JsonWriter; import net.minecraft.server.MCUtil; import net.minecraft.server.MinecraftServer; import net.minecraft.server.level.ChunkProviderServer; +import net.minecraft.server.level.EntityPlayer; +import net.minecraft.server.level.LightEngineThreaded; import net.minecraft.server.level.PlayerChunk; import net.minecraft.server.level.WorldServer; import net.minecraft.world.entity.Entity; import net.minecraft.world.entity.EntityTypes; import net.minecraft.world.level.ChunkCoordIntPair; -import net.minecraft.server.MCUtil; +import net.minecraft.world.level.chunk.Chunk; import org.apache.commons.lang3.tuple.MutablePair; import org.apache.commons.lang3.tuple.Pair; import org.bukkit.Bukkit; @@ -31,6 +35,7 @@ import org.bukkit.command.Command; import org.bukkit.command.CommandSender; import org.bukkit.craftbukkit.CraftServer; import org.bukkit.craftbukkit.CraftWorld; +import org.bukkit.craftbukkit.entity.CraftPlayer; import org.bukkit.entity.Player; import java.io.File; @@ -39,10 +44,12 @@ import java.io.PrintStream; import java.io.StringWriter; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; +import java.util.ArrayDeque; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.Collections; +import java.util.Deque; import java.util.Iterator; import java.util.List; import java.util.Locale; @@ -52,7 +59,7 @@ import java.util.stream.Collectors; public class PaperCommand extends Command { private static final String BASE_PERM = "bukkit.command.paper."; - private static final ImmutableSet SUBCOMMANDS = ImmutableSet.builder().add("heap", "entity", "reload", "version", "debug", "chunkinfo", "dumpwaiting", "syncloadinfo").build(); + private static final ImmutableSet SUBCOMMANDS = ImmutableSet.builder().add("heap", "entity", "reload", "version", "debug", "chunkinfo", "dumpwaiting", "syncloadinfo", "fixlight").build(); public PaperCommand(String name) { super(name); @@ -173,6 +180,9 @@ public class PaperCommand extends Command { case "syncloadinfo": this.doSyncLoadInfo(sender, args); break; + case "fixlight": + this.doFixLight(sender, args); + break; case "ver": if (!testPermission(sender, "version")) break; // "ver" needs a special check because it's an alias. All other commands are checked up before the switch statement (because they are present in the SUBCOMMANDS set) case "version": @@ -190,6 +200,77 @@ public class PaperCommand extends Command { return true; } + private void doFixLight(CommandSender sender, String[] args) { + if (!(sender instanceof Player)) { + sender.sendMessage("Only players can use this command"); + return; + } + int radius = 2; + if (args.length > 1) { + try { + radius = Math.min(5, Integer.parseInt(args[1])); + } catch (Exception e) { + sender.sendMessage("Not a number"); + return; + } + + } + + CraftPlayer player = (CraftPlayer) sender; + EntityPlayer handle = player.getHandle(); + WorldServer world = (WorldServer) handle.world; + LightEngineThreaded lightengine = world.getChunkProvider().getLightEngine(); + + BlockPosition center = MCUtil.toBlockPosition(player.getLocation()); + Deque queue = new ArrayDeque<>(MCUtil.getSpiralOutChunks(center, radius)); + updateLight(sender, world, lightengine, queue); + } + + private void updateLight(CommandSender sender, WorldServer world, LightEngineThreaded lightengine, Deque queue) { + ChunkCoordIntPair coord = queue.poll(); + if (coord == null) { + sender.sendMessage("All Chunks Light updated"); + return; + } + world.getChunkProvider().getChunkAtAsynchronously(coord.x, coord.z, false, false).whenCompleteAsync((either, ex) -> { + if (ex != null) { + sender.sendMessage("Error loading chunk " + coord); + updateLight(sender, world, lightengine, queue); + return; + } + Chunk chunk = (Chunk) either.left().orElse(null); + if (chunk == null) { + updateLight(sender, world, lightengine, queue); + return; + } + lightengine.a(world.paperConfig.lightQueueSize + 16 * 256); // ensure full chunk can fit into queue + sender.sendMessage("Updating Light " + coord); + int cx = chunk.getPos().x << 4; + int cz = chunk.getPos().z << 4; + for (int y = 0; y < world.getHeight(); y++) { + for (int x = 0; x < 16; x++) { + for (int z = 0; z < 16; z++) { + BlockPosition pos = new BlockPosition(cx + x, y, cz + z); + lightengine.a(pos); + } + } + } + lightengine.queueUpdate(); + PlayerChunk visibleChunk = world.getChunkProvider().playerChunkMap.getVisibleChunk(chunk.coordinateKey); + if (visibleChunk != null) { + world.getChunkProvider().playerChunkMap.addLightTask(visibleChunk, () -> { + MinecraftServer.getServer().processQueue.add(() -> { + visibleChunk.sendPacketToTrackedPlayers(new PacketPlayOutLightUpdate(chunk.getPos(), lightengine, true), false); + updateLight(sender, world, lightengine, queue); + }); + }); + } else { + updateLight(sender, world, lightengine, queue); + } + lightengine.a(world.paperConfig.lightQueueSize); + }, MinecraftServer.getServer()); + } + private void doSyncLoadInfo(CommandSender sender, String[] args) { if (!SyncLoadFinder.ENABLED) { sender.sendMessage(ChatColor.RED + "This command requires the server startup flag '-Dpaper.debug-sync-loads=true' to be set."); diff --git a/src/main/java/net/minecraft/server/level/PlayerChunk.java b/src/main/java/net/minecraft/server/level/PlayerChunk.java index 1f6333c2c26ad04e23d2881235ed1dcf707be038..e53054fc46e528f9c713eb4c03add61316e19396 100644 --- a/src/main/java/net/minecraft/server/level/PlayerChunk.java +++ b/src/main/java/net/minecraft/server/level/PlayerChunk.java @@ -350,6 +350,7 @@ public class PlayerChunk { } + public void sendPacketToTrackedPlayers(Packet packet, boolean flag) { a(packet, flag); } // Paper - OBFHELPER private void a(Packet packet, boolean flag) { // Paper start - per player view distance // there can be potential desync with player's last mapped section and the view distance map, so use the diff --git a/src/main/java/net/minecraft/server/level/PlayerChunkMap.java b/src/main/java/net/minecraft/server/level/PlayerChunkMap.java index 8c4325e2f6e8a63b42580f2ac55dfb79557d6780..c299bbc814bc0571f17b0c3b843df0fcbb181bfb 100644 --- a/src/main/java/net/minecraft/server/level/PlayerChunkMap.java +++ b/src/main/java/net/minecraft/server/level/PlayerChunkMap.java @@ -149,6 +149,12 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d { private final ChunkTaskQueueSorter p; private final Mailbox> mailboxWorldGen; final Mailbox> mailboxMain; // Paper - private -> package private + // Paper start + final Mailbox> mailboxLight; + public void addLightTask(PlayerChunk playerchunk, Runnable run) { + this.mailboxLight.a(ChunkTaskQueueSorter.a(playerchunk, run)); + } + // Paper end public final WorldLoadListener worldLoadListener; public final PlayerChunkMap.a chunkDistanceManager; private final AtomicInteger u; @@ -340,11 +346,12 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d { Mailbox mailbox = Mailbox.a("main", iasynctaskhandler::a); this.worldLoadListener = worldloadlistener; - ThreadedMailbox threadedmailbox1 = ThreadedMailbox.a(executor, "light"); + ThreadedMailbox lightthreaded; ThreadedMailbox threadedmailbox1 = lightthreaded = ThreadedMailbox.a(executor, "light"); // Paper this.p = new ChunkTaskQueueSorter(ImmutableList.of(threadedmailbox, mailbox, threadedmailbox1), executor, Integer.MAX_VALUE); this.mailboxWorldGen = this.p.a(threadedmailbox, false); this.mailboxMain = this.p.a(mailbox, false); + this.mailboxLight = this.p.a(lightthreaded, false);// Paper this.lightEngine = new LightEngineThreaded(ilightaccess, this, this.world.getDimensionManager().hasSkyLight(), threadedmailbox1, this.p.a(threadedmailbox1, false)); this.chunkDistanceManager = new PlayerChunkMap.a(executor, iasynctaskhandler); this.chunkDistanceManager.chunkMap = this; // Paper this.l = supplier;