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papermc/Spigot-Server-Patches/0507-Fix-Light-Command.patch
Aikar cfed00cf54
Fix Light Command 
This lets you run /paper fixlight <chunkRadius> (max 5) to automatically
fix all light data in the chunks.

Permission node is same "bukkit.command.paper"
2020-05-07 19:44:33 -04:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 7 May 2020 19:17:36 -0400
Subject: [PATCH] Fix Light Command
This lets you run /paper fixlight <chunkRadius> (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 ddb60e9a48e5e7225ad575240b94fda24b6b78ca..bd9c56dd277c58b5f2c423f6e3e65a5086099619 100644
--- a/src/main/java/com/destroystokyo/paper/PaperCommand.java
+++ b/src/main/java/com/destroystokyo/paper/PaperCommand.java
@@ -19,6 +19,7 @@ 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;
@@ -35,14 +36,14 @@ public class PaperCommand extends Command {
public PaperCommand(String name) {
super(name);
this.description = "Paper related commands";
- this.usageMessage = "/paper [heap | entity | reload | version | debug | chunkinfo | syncloadinfo]";
+ this.usageMessage = "/paper [heap | entity | reload | version | debug | chunkinfo | syncloadinfo | fixlight]";
this.setPermission("bukkit.command.paper");
}
@Override
public List<String> tabComplete(CommandSender sender, String alias, String[] args, Location location) throws IllegalArgumentException {
if (args.length <= 1)
- return getListMatchingLast(args, "heap", "entity", "reload", "version", "debug", "chunkinfo", "syncloadinfo");
+ return getListMatchingLast(args, "heap", "entity", "reload", "version", "debug", "chunkinfo", "syncloadinfo", "fixlight");
switch (args[0].toLowerCase(Locale.ENGLISH))
{
@@ -140,6 +141,9 @@ public class PaperCommand extends Command {
case "syncloadinfo":
this.doSyncLoadInfo(sender, args);
break;
+ case "fixlight":
+ this.doFixLight(sender, args);
+ break;
case "ver":
case "version":
Command ver = org.bukkit.Bukkit.getServer().getCommandMap().getCommand("version");
@@ -156,6 +160,65 @@ 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();
+ net.minecraft.server.WorldServer world = (WorldServer) handle.world;
+ LightEngineThreaded lightengine = world.getChunkProvider().getLightEngine();
+
+ BlockPosition center = MCUtil.toBlockPosition(player.getLocation());
+ Deque<ChunkCoordIntPair> queue = new ArrayDeque<>(MCUtil.getSpiralOutChunks(center, radius));
+ updateLight(sender, world, lightengine, queue);
+ }
+
+ private void updateLight(CommandSender sender, WorldServer world, LightEngineThreaded lightengine, Deque<ChunkCoordIntPair> queue) {
+ ChunkCoordIntPair coord = queue.poll();
+ if (coord == null) {
+ sender.sendMessage("All Chunks Light updated");
+ return;
+ }
+ world.getChunkProvider().getChunkAtAsynchronously(coord.x, coord.z, false, chunk -> {
+ lightengine.a(world.paperConfig.lightQueueSize + 16 * 256); // ensure full chunk can fit into queue
+ sender.sendMessage("Updating Light " + coord);
+ 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(chunk.getPos().getBlockX() + x, y, chunk.getPos().getBlockZ() + 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), false);
+ updateLight(sender, world, lightengine, queue);
+ });
+ });
+ } else {
+ updateLight(sender, world, lightengine, queue);
+ }
+ lightengine.a(world.paperConfig.lightQueueSize);
+ });
+ }
+
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/PlayerChunk.java b/src/main/java/net/minecraft/server/PlayerChunk.java
index 9d71c4c455d68bcc82dc56b0706c7305e4897e46..709e35cd4864eb666b68c1b6666a9d3a5a5a3c29 100644
--- a/src/main/java/net/minecraft/server/PlayerChunk.java
+++ b/src/main/java/net/minecraft/server/PlayerChunk.java
@@ -437,6 +437,7 @@ 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/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index ce7462283873635ad0d3bce2395346ed9c3637a9..81bb26abc520f49de2e916cf2757ac4c710d02cd 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -72,6 +72,12 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
private final ChunkTaskQueueSorter p;
private final Mailbox<ChunkTaskQueueSorter.a<Runnable>> mailboxWorldGen;
final Mailbox<ChunkTaskQueueSorter.a<Runnable>> mailboxMain; // Paper - private -> package private
+ // Paper start
+ final Mailbox<ChunkTaskQueueSorter.a<Runnable>> 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; public final PlayerChunkMap.a getChunkMapDistanceManager() { return this.chunkDistanceManager; } // Paper - OBFHELPER
private final AtomicInteger u;
@@ -256,11 +262,12 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
Mailbox<Runnable> mailbox = Mailbox.a("main", iasynctaskhandler::a);
this.worldLoadListener = worldloadlistener;
- ThreadedMailbox<Runnable> threadedmailbox1 = ThreadedMailbox.a(executor, "light");
+ ThreadedMailbox<Runnable> lightthreaded; ThreadedMailbox<Runnable> 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.getWorldProvider().f(), threadedmailbox1, this.p.a(threadedmailbox1, false));
this.chunkDistanceManager = new PlayerChunkMap.a(executor, iasynctaskhandler); this.chunkDistanceManager.chunkMap = this; // Paper
this.l = supplier;
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