mirror of
https://github.com/PaperMC/Paper.git
synced 2024-09-12 15:08:27 +02:00
391 lines
19 KiB
Diff
391 lines
19 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
|
|
Date: Sat, 15 Jun 2019 08:54:33 -0700
|
|
Subject: [PATCH] Fix World#isChunkGenerated calls
|
|
|
|
Optimize World#loadChunk() too
|
|
This patch also adds a chunk status cache on region files (note that
|
|
its only purpose is to cache the status on DISK)
|
|
|
|
diff --git a/src/main/java/net/minecraft/server/level/ChunkProviderServer.java b/src/main/java/net/minecraft/server/level/ChunkProviderServer.java
|
|
index 94af98e250fe7ef37c16d432c05c6f2b68625fe1..f2d48659fdb9f030dbeec12ed820062d4d066e48 100644
|
|
--- a/src/main/java/net/minecraft/server/level/ChunkProviderServer.java
|
|
+++ b/src/main/java/net/minecraft/server/level/ChunkProviderServer.java
|
|
@@ -52,7 +52,7 @@ public class ChunkProviderServer extends IChunkProvider {
|
|
private final WorldServer world;
|
|
public final Thread serverThread; // Paper - private -> public
|
|
private final LightEngineThreaded lightEngine;
|
|
- private final ChunkProviderServer.a serverThreadQueue;
|
|
+ public final ChunkProviderServer.a serverThreadQueue; // Paper private -> public
|
|
public final PlayerChunkMap playerChunkMap;
|
|
private final WorldPersistentData worldPersistentData;
|
|
private long lastTickTime;
|
|
@@ -317,6 +317,21 @@ public class ChunkProviderServer extends IChunkProvider {
|
|
|
|
return ret;
|
|
}
|
|
+
|
|
+ @Nullable
|
|
+ public IChunkAccess getChunkAtImmediately(int x, int z) {
|
|
+ long k = ChunkCoordIntPair.pair(x, z);
|
|
+
|
|
+ // Note: Bypass cache to make this MT-Safe
|
|
+
|
|
+ PlayerChunk playerChunk = this.getChunk(k);
|
|
+ if (playerChunk == null) {
|
|
+ return null;
|
|
+ }
|
|
+
|
|
+ return playerChunk.getAvailableChunkNow();
|
|
+
|
|
+ }
|
|
// Paper end
|
|
|
|
@Nullable
|
|
@@ -768,7 +783,7 @@ public class ChunkProviderServer extends IChunkProvider {
|
|
return this.p;
|
|
}
|
|
|
|
- final class a extends IAsyncTaskHandler<Runnable> {
|
|
+ public final class a extends IAsyncTaskHandler<Runnable> { // Paper - package -> public
|
|
|
|
private a(World world) {
|
|
super("Chunk source main thread executor for " + world.getDimensionKey().a());
|
|
diff --git a/src/main/java/net/minecraft/server/level/PlayerChunk.java b/src/main/java/net/minecraft/server/level/PlayerChunk.java
|
|
index 9891cf98f8c740f84f9135ee8176e67abb648b3a..6bced8533df49d7bfdb32dfa0caad9d788ffc2c8 100644
|
|
--- a/src/main/java/net/minecraft/server/level/PlayerChunk.java
|
|
+++ b/src/main/java/net/minecraft/server/level/PlayerChunk.java
|
|
@@ -142,6 +142,19 @@ public class PlayerChunk {
|
|
Either<IChunkAccess, PlayerChunk.Failure> either = (Either<IChunkAccess, PlayerChunk.Failure>) statusFuture.getNow(null);
|
|
return either == null ? null : (Chunk) either.left().orElse(null);
|
|
}
|
|
+
|
|
+ public IChunkAccess getAvailableChunkNow() {
|
|
+ // TODO can we just getStatusFuture(EMPTY)?
|
|
+ for (ChunkStatus curr = ChunkStatus.FULL, next = curr.getPreviousStatus(); curr != next; curr = next, next = next.getPreviousStatus()) {
|
|
+ CompletableFuture<Either<IChunkAccess, PlayerChunk.Failure>> future = this.getStatusFutureUnchecked(curr);
|
|
+ Either<IChunkAccess, PlayerChunk.Failure> either = future.getNow(null);
|
|
+ if (either == null || !either.left().isPresent()) {
|
|
+ continue;
|
|
+ }
|
|
+ return either.left().get();
|
|
+ }
|
|
+ return null;
|
|
+ }
|
|
// Paper end
|
|
|
|
public CompletableFuture<Either<IChunkAccess, PlayerChunk.Failure>> getStatusFutureUnchecked(ChunkStatus chunkstatus) {
|
|
diff --git a/src/main/java/net/minecraft/server/level/PlayerChunkMap.java b/src/main/java/net/minecraft/server/level/PlayerChunkMap.java
|
|
index e10c661755796e9c4e40f62a649b45dd1a71b46c..ed454f8dff7b0d94d4bde914a6f26bb019e82296 100644
|
|
--- a/src/main/java/net/minecraft/server/level/PlayerChunkMap.java
|
|
+++ b/src/main/java/net/minecraft/server/level/PlayerChunkMap.java
|
|
@@ -993,12 +993,61 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
|
|
}
|
|
|
|
@Nullable
|
|
- private NBTTagCompound readChunkData(ChunkCoordIntPair chunkcoordintpair) throws IOException {
|
|
+ public NBTTagCompound readChunkData(ChunkCoordIntPair chunkcoordintpair) throws IOException { // Paper - private -> public
|
|
NBTTagCompound nbttagcompound = this.read(chunkcoordintpair);
|
|
+ // Paper start - Cache chunk status on disk
|
|
+ if (nbttagcompound == null) {
|
|
+ return null;
|
|
+ }
|
|
+
|
|
+ nbttagcompound = this.getChunkData(this.world.getTypeKey(), this.l, nbttagcompound, chunkcoordintpair, world); // CraftBukkit
|
|
+ if (nbttagcompound == null) {
|
|
+ return null;
|
|
+ }
|
|
+
|
|
+ this.updateChunkStatusOnDisk(chunkcoordintpair, nbttagcompound);
|
|
+
|
|
+ return nbttagcompound;
|
|
+ // Paper end
|
|
+ }
|
|
+
|
|
+ // Paper start - chunk status cache "api"
|
|
+ public ChunkStatus getChunkStatusOnDiskIfCached(ChunkCoordIntPair chunkPos) {
|
|
+ RegionFile regionFile = this.getIOWorker().getRegionFileCache().getRegionFileIfLoaded(chunkPos);
|
|
+
|
|
+ return regionFile == null ? null : regionFile.getStatusIfCached(chunkPos.x, chunkPos.z);
|
|
+ }
|
|
+
|
|
+ public ChunkStatus getChunkStatusOnDisk(ChunkCoordIntPair chunkPos) throws IOException {
|
|
+ RegionFile regionFile = this.getIOWorker().getRegionFileCache().getFile(chunkPos, true);
|
|
+
|
|
+ if (regionFile == null || !regionFile.chunkExists(chunkPos)) {
|
|
+ return null;
|
|
+ }
|
|
+
|
|
+ ChunkStatus status = regionFile.getStatusIfCached(chunkPos.x, chunkPos.z);
|
|
+
|
|
+ if (status != null) {
|
|
+ return status;
|
|
+ }
|
|
+
|
|
+ this.readChunkData(chunkPos);
|
|
|
|
- return nbttagcompound == null ? null : this.getChunkData(this.world.getTypeKey(), this.l, nbttagcompound, chunkcoordintpair, world); // CraftBukkit
|
|
+ return regionFile.getStatusIfCached(chunkPos.x, chunkPos.z);
|
|
}
|
|
|
|
+ public void updateChunkStatusOnDisk(ChunkCoordIntPair chunkPos, @Nullable NBTTagCompound compound) throws IOException {
|
|
+ RegionFile regionFile = this.getIOWorker().getRegionFileCache().getFile(chunkPos, false);
|
|
+
|
|
+ regionFile.setStatus(chunkPos.x, chunkPos.z, ChunkRegionLoader.getStatus(compound));
|
|
+ }
|
|
+
|
|
+ public IChunkAccess getUnloadingChunk(int chunkX, int chunkZ) {
|
|
+ PlayerChunk chunkHolder = this.pendingUnload.get(ChunkCoordIntPair.pair(chunkX, chunkZ));
|
|
+ return chunkHolder == null ? null : chunkHolder.getAvailableChunkNow();
|
|
+ }
|
|
+ // Paper end
|
|
+
|
|
boolean isOutsideOfRange(ChunkCoordIntPair chunkcoordintpair) {
|
|
// Spigot start
|
|
return isOutsideOfRange(chunkcoordintpair, false);
|
|
diff --git a/src/main/java/net/minecraft/world/level/chunk/ChunkStatus.java b/src/main/java/net/minecraft/world/level/chunk/ChunkStatus.java
|
|
index 5e4c162654349f884becc10e8fbae4ded6889deb..711308cf84a816f09d116a7414f9cbee803c8713 100644
|
|
--- a/src/main/java/net/minecraft/world/level/chunk/ChunkStatus.java
|
|
+++ b/src/main/java/net/minecraft/world/level/chunk/ChunkStatus.java
|
|
@@ -193,6 +193,7 @@ public class ChunkStatus {
|
|
return this.s;
|
|
}
|
|
|
|
+ public ChunkStatus getPreviousStatus() { return this.e(); } // Paper - OBFHELPER
|
|
public ChunkStatus e() {
|
|
return this.u;
|
|
}
|
|
@@ -213,6 +214,17 @@ public class ChunkStatus {
|
|
return this.y;
|
|
}
|
|
|
|
+ // Paper start
|
|
+ public static ChunkStatus getStatus(String name) {
|
|
+ try {
|
|
+ // We need this otherwise we return EMPTY for invalid names
|
|
+ MinecraftKey key = new MinecraftKey(name);
|
|
+ return IRegistry.CHUNK_STATUS.getOptional(key).orElse(null);
|
|
+ } catch (Exception ex) {
|
|
+ return null; // invalid name
|
|
+ }
|
|
+ }
|
|
+ // Paper end
|
|
public static ChunkStatus a(String s) {
|
|
return (ChunkStatus) IRegistry.CHUNK_STATUS.get(MinecraftKey.a(s));
|
|
}
|
|
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkRegionLoader.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkRegionLoader.java
|
|
index 69bc9dc18bab157851d8080a672504598e8572a8..98bc26c7ae01884eb53766e72fc7cbabbf065e6e 100644
|
|
--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkRegionLoader.java
|
|
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkRegionLoader.java
|
|
@@ -462,6 +462,17 @@ public class ChunkRegionLoader {
|
|
}
|
|
// Paper end
|
|
|
|
+ // Paper start
|
|
+ public static ChunkStatus getStatus(NBTTagCompound compound) {
|
|
+ if (compound == null) {
|
|
+ return null;
|
|
+ }
|
|
+
|
|
+ // Note: Copied from below
|
|
+ return ChunkStatus.getStatus(compound.getCompound("Level").getString("Status"));
|
|
+ }
|
|
+ // Paper end
|
|
+
|
|
public static ChunkStatus.Type a(@Nullable NBTTagCompound nbttagcompound) {
|
|
if (nbttagcompound != null) {
|
|
ChunkStatus chunkstatus = ChunkStatus.a(nbttagcompound.getCompound("Level").getString("Status"));
|
|
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/IChunkLoader.java b/src/main/java/net/minecraft/world/level/chunk/storage/IChunkLoader.java
|
|
index 247d14a3ca56734bbbf4dc0ec247d60a1f241e7a..d785f44cd503d4d91589f3fc4bc8dc805dff3d41 100644
|
|
--- a/src/main/java/net/minecraft/world/level/chunk/storage/IChunkLoader.java
|
|
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/IChunkLoader.java
|
|
@@ -25,7 +25,7 @@ import net.minecraft.world.level.dimension.DimensionManager;
|
|
|
|
public class IChunkLoader implements AutoCloseable {
|
|
|
|
- private final IOWorker a;
|
|
+ private final IOWorker a; public IOWorker getIOWorker() { return a; } // Paper - OBFHELPER
|
|
protected final DataFixer b;
|
|
@Nullable
|
|
private PersistentStructureLegacy c;
|
|
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
|
|
index 00cef1c0bc19976a000389e57a1af5d93690c0e7..d50b9c9d030016f951e2ed7fb519250b7408c833 100644
|
|
--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
|
|
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
|
|
@@ -27,6 +27,7 @@ import net.minecraft.SystemUtils;
|
|
import net.minecraft.nbt.NBTCompressedStreamTools;
|
|
import net.minecraft.nbt.NBTTagCompound;
|
|
import net.minecraft.world.level.ChunkCoordIntPair;
|
|
+import net.minecraft.world.level.chunk.ChunkStatus;
|
|
import org.apache.logging.log4j.LogManager;
|
|
import org.apache.logging.log4j.Logger;
|
|
|
|
@@ -44,6 +45,30 @@ public class RegionFile implements AutoCloseable {
|
|
protected final RegionFileBitSet freeSectors;
|
|
public final File file; // Paper
|
|
|
|
+ // Paper start - Cache chunk status
|
|
+ private final ChunkStatus[] statuses = new ChunkStatus[32 * 32];
|
|
+
|
|
+ private boolean closed;
|
|
+
|
|
+ // invoked on write/read
|
|
+ public void setStatus(int x, int z, ChunkStatus status) {
|
|
+ if (this.closed) {
|
|
+ // We've used an invalid region file.
|
|
+ throw new IllegalStateException("RegionFile is closed");
|
|
+ }
|
|
+ this.statuses[getChunkLocation(x, z)] = status;
|
|
+ }
|
|
+
|
|
+ public ChunkStatus getStatusIfCached(int x, int z) {
|
|
+ if (this.closed) {
|
|
+ // We've used an invalid region file.
|
|
+ throw new IllegalStateException("RegionFile is closed");
|
|
+ }
|
|
+ final int location = getChunkLocation(x, z);
|
|
+ return this.statuses[location];
|
|
+ }
|
|
+ // Paper end
|
|
+
|
|
public RegionFile(File file, File file1, boolean flag) throws IOException {
|
|
this(file.toPath(), file1.toPath(), RegionFileCompression.b, flag);
|
|
}
|
|
@@ -380,11 +405,13 @@ public class RegionFile implements AutoCloseable {
|
|
return this.getOffset(chunkcoordintpair) != 0;
|
|
}
|
|
|
|
+ private static int getChunkLocation(int x, int z) { return (x & 31) + (z & 31) * 32; } // Paper - OBFHELPER - sort of, mirror of logic below
|
|
private static int g(ChunkCoordIntPair chunkcoordintpair) {
|
|
return chunkcoordintpair.j() + chunkcoordintpair.k() * 32;
|
|
}
|
|
|
|
public void close() throws IOException {
|
|
+ this.closed = true; // Paper
|
|
try {
|
|
this.d();
|
|
} finally {
|
|
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileCache.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileCache.java
|
|
index ab9f4d40fd1126a3d7ba5b16fdc6ab09de4a7fdb..55e7e983d2c760a8052d7b3ddbdc8447f619a60f 100644
|
|
--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileCache.java
|
|
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileCache.java
|
|
@@ -28,7 +28,14 @@ public final class RegionFileCache implements AutoCloseable {
|
|
this.c = flag;
|
|
}
|
|
|
|
- private RegionFile getFile(ChunkCoordIntPair chunkcoordintpair, boolean existingOnly) throws IOException { // CraftBukkit
|
|
+
|
|
+ // Paper start
|
|
+ public RegionFile getRegionFileIfLoaded(ChunkCoordIntPair chunkcoordintpair) {
|
|
+ return this.cache.getAndMoveToFirst(ChunkCoordIntPair.pair(chunkcoordintpair.getRegionX(), chunkcoordintpair.getRegionZ()));
|
|
+ }
|
|
+
|
|
+ // Paper end
|
|
+ public RegionFile getFile(ChunkCoordIntPair chunkcoordintpair, boolean existingOnly) throws IOException { // CraftBukkit // Paper - private > public
|
|
long i = ChunkCoordIntPair.pair(chunkcoordintpair.getRegionX(), chunkcoordintpair.getRegionZ());
|
|
RegionFile regionfile = (RegionFile) this.cache.getAndMoveToFirst(i);
|
|
|
|
@@ -175,6 +182,7 @@ public final class RegionFileCache implements AutoCloseable {
|
|
|
|
try {
|
|
NBTCompressedStreamTools.a(nbttagcompound, (DataOutput) dataoutputstream);
|
|
+ regionfile.setStatus(chunkcoordintpair.x, chunkcoordintpair.z, ChunkRegionLoader.getStatus(nbttagcompound)); // Paper - cache status on disk
|
|
regionfile.setOversized(chunkcoordintpair.x, chunkcoordintpair.z, false); // Paper - We don't do this anymore, mojang stores differently, but clear old meta flag if it exists to get rid of our own meta file once last oversized is gone
|
|
} catch (Throwable throwable1) {
|
|
throwable = throwable1;
|
|
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
|
|
index ec9f9fdf1be4f1e68eea5554a6721efd11a53958..d46c513512c25e55ccdb0be16524f19444c358c5 100644
|
|
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
|
|
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
|
|
@@ -19,6 +19,7 @@ import java.util.Objects;
|
|
import java.util.Random;
|
|
import java.util.Set;
|
|
import java.util.UUID;
|
|
+import java.util.concurrent.CompletableFuture;
|
|
import java.util.function.Predicate;
|
|
import java.util.stream.Collectors;
|
|
import net.minecraft.core.BlockPosition;
|
|
@@ -419,8 +420,22 @@ public class CraftWorld implements World {
|
|
|
|
@Override
|
|
public boolean isChunkGenerated(int x, int z) {
|
|
+ // Paper start - Fix this method
|
|
+ if (!Bukkit.isPrimaryThread()) {
|
|
+ return CompletableFuture.supplyAsync(() -> {
|
|
+ return CraftWorld.this.isChunkGenerated(x, z);
|
|
+ }, world.getChunkProvider().serverThreadQueue).join();
|
|
+ }
|
|
+ IChunkAccess chunk = world.getChunkProvider().getChunkAtImmediately(x, z);
|
|
+ if (chunk == null) {
|
|
+ chunk = world.getChunkProvider().playerChunkMap.getUnloadingChunk(x, z);
|
|
+ }
|
|
+ if (chunk != null) {
|
|
+ return chunk instanceof ProtoChunkExtension || chunk instanceof net.minecraft.world.level.chunk.Chunk;
|
|
+ }
|
|
try {
|
|
- return world.getChunkProvider().getChunkAtIfCachedImmediately(x, z) != null || world.getChunkProvider().playerChunkMap.read(new ChunkCoordIntPair(x, z)) != null; // Paper (TODO check if the first part can be removed)
|
|
+ return world.getChunkProvider().playerChunkMap.getChunkStatusOnDisk(new ChunkCoordIntPair(x, z)) == ChunkStatus.FULL;
|
|
+ // Paper end
|
|
} catch (IOException ex) {
|
|
throw new RuntimeException(ex);
|
|
}
|
|
@@ -531,20 +546,48 @@ public class CraftWorld implements World {
|
|
@Override
|
|
public boolean loadChunk(int x, int z, boolean generate) {
|
|
org.spigotmc.AsyncCatcher.catchOp("chunk load"); // Spigot
|
|
- IChunkAccess chunk = world.getChunkProvider().getChunkAt(x, z, generate || isChunkGenerated(x, z) ? ChunkStatus.FULL : ChunkStatus.EMPTY, true); // Paper
|
|
+ // Paper start - Optimize this method
|
|
+ ChunkCoordIntPair chunkPos = new ChunkCoordIntPair(x, z);
|
|
|
|
- // If generate = false, but the chunk already exists, we will get this back.
|
|
- if (chunk instanceof ProtoChunkExtension) {
|
|
- // We then cycle through again to get the full chunk immediately, rather than after the ticket addition
|
|
- chunk = world.getChunkProvider().getChunkAt(x, z, ChunkStatus.FULL, true);
|
|
- }
|
|
+ if (!generate) {
|
|
+ IChunkAccess immediate = world.getChunkProvider().getChunkAtImmediately(x, z);
|
|
+ if (immediate == null) {
|
|
+ immediate = world.getChunkProvider().playerChunkMap.getUnloadingChunk(x, z);
|
|
+ }
|
|
+ if (immediate != null) {
|
|
+ if (!(immediate instanceof ProtoChunkExtension) && !(immediate instanceof net.minecraft.world.level.chunk.Chunk)) {
|
|
+ return false; // not full status
|
|
+ }
|
|
+ world.getChunkProvider().addTicket(TicketType.PLUGIN, chunkPos, 1, Unit.INSTANCE);
|
|
+ world.getChunkAt(x, z); // make sure we're at ticket level 32 or lower
|
|
+ return true;
|
|
+ }
|
|
|
|
- if (chunk instanceof net.minecraft.world.level.chunk.Chunk) {
|
|
- world.getChunkProvider().addTicket(TicketType.PLUGIN, new ChunkCoordIntPair(x, z), 1, Unit.INSTANCE);
|
|
- return true;
|
|
+ net.minecraft.world.level.chunk.storage.RegionFile file;
|
|
+ try {
|
|
+ file = world.getChunkProvider().playerChunkMap.getIOWorker().getRegionFileCache().getFile(chunkPos, false);
|
|
+ } catch (IOException ex) {
|
|
+ throw new RuntimeException(ex);
|
|
+ }
|
|
+
|
|
+ ChunkStatus status = file.getStatusIfCached(x, z);
|
|
+ if (!file.chunkExists(chunkPos) || (status != null && status != ChunkStatus.FULL)) {
|
|
+ return false;
|
|
+ }
|
|
+
|
|
+ IChunkAccess chunk = world.getChunkProvider().getChunkAt(x, z, ChunkStatus.EMPTY, true);
|
|
+ if (!(chunk instanceof ProtoChunkExtension) && !(chunk instanceof net.minecraft.world.level.chunk.Chunk)) {
|
|
+ return false;
|
|
+ }
|
|
+
|
|
+ // fall through to load
|
|
+ // we do this so we do not re-read the chunk data on disk
|
|
}
|
|
|
|
- return false;
|
|
+ world.getChunkProvider().addTicket(TicketType.PLUGIN, chunkPos, 1, Unit.INSTANCE);
|
|
+ world.getChunkProvider().getChunkAt(x, z, ChunkStatus.FULL, true);
|
|
+ return true;
|
|
+ // Paper end
|
|
}
|
|
|
|
@Override
|