more work

This commit is contained in:
Aurora 2021-06-13 15:46:28 +02:00
parent fd645b456c
commit b804730254
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@ -8,12 +8,12 @@ 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/ChunkHolder.java b/src/main/java/net/minecraft/server/level/ChunkHolder.java
index a89b9dab043ad4536014141d5a942670b4152a95..7010e0a970462d2b2e1b5696a1a49dba9ea60935 100644
index fa6d91886d433c0b7d77c1d059a23ee194ae14a4..56e292e6550b19d0cae9ebad369da730ca1cabd8 100644
--- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
+++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
@@ -141,6 +141,19 @@ public class ChunkHolder {
@@ -111,6 +111,19 @@ public class ChunkHolder {
Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure> either = (Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure>) statusFuture.getNow(null);
return either == null ? null : (LevelChunk) either.left().orElse(null);
return (either == null) ? null : (LevelChunk) either.left().orElse(null);
}
+
+ public ChunkAccess getAvailableChunkNow() {
@ -28,15 +28,23 @@ index a89b9dab043ad4536014141d5a942670b4152a95..7010e0a970462d2b2e1b5696a1a49dba
+ }
+ return null;
+ }
// Paper end
// CraftBukkit end
public CompletableFuture<Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure>> getFutureIfPresentUnchecked(ChunkStatus leastStatus) {
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index 7585b6f87b72f53deccbcb8627a13503921fc682..0aac29de933c84c34cb24e204e8fcc7010060d8f 100644
index 25826b41812f2d9ac29806ad7a9242e5674376fc..dd7de2c3db10d9d606d47c52eba40e71034fc11a 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -991,12 +991,61 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}
@@ -84,6 +84,7 @@ import net.minecraft.world.level.chunk.ProtoChunk;
import net.minecraft.world.level.chunk.UpgradeData;
import net.minecraft.world.level.chunk.storage.ChunkSerializer;
import net.minecraft.world.level.chunk.storage.ChunkStorage;
+import net.minecraft.world.level.chunk.storage.RegionFile;
import net.minecraft.world.level.entity.ChunkStatusUpdateListener;
import net.minecraft.world.level.levelgen.structure.StructureStart;
import net.minecraft.world.level.levelgen.structure.templatesystem.StructureManager;
@@ -1083,12 +1084,61 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
// Paper end
@Nullable
- private CompoundTag readChunk(ChunkPos pos) throws IOException {
@ -60,15 +68,16 @@ index 7585b6f87b72f53deccbcb8627a13503921fc682..0aac29de933c84c34cb24e204e8fcc70
+
+ // Paper start - chunk status cache "api"
+ public ChunkStatus getChunkStatusOnDiskIfCached(ChunkPos chunkPos) {
+ RegionFile regionFile = this.getIOWorker().getRegionFileCache().getRegionFileIfLoaded(chunkPos);
+
+ RegionFile regionFile = regionFileCache.getRegionFileIfLoaded(chunkPos);
- return nbttagcompound == null ? null : this.getChunkData(this.level.getTypeKey(), this.overworldDataStorage, nbttagcompound, pos, level); // CraftBukkit
+ return regionFile == null ? null : regionFile.getStatusIfCached(chunkPos.x, chunkPos.z);
+ }
+
}
+ public ChunkStatus getChunkStatusOnDisk(ChunkPos chunkPos) throws IOException {
+ RegionFile regionFile = this.getIOWorker().getRegionFileCache().getFile(chunkPos, true);
+ RegionFile regionFile = regionFileCache.getFile(chunkPos, true);
+
+ if (regionFile == null || !regionFile.chunkExists(chunkPos)) {
+ if (regionFile == null || !regionFileCache.chunkExists(chunkPos)) {
+ return null;
+ }
+
@ -79,13 +88,12 @@ index 7585b6f87b72f53deccbcb8627a13503921fc682..0aac29de933c84c34cb24e204e8fcc70
+ }
+
+ this.readChunk(chunkPos);
- return nbttagcompound == null ? null : this.getChunkData(this.level.getTypeKey(), this.overworldDataStorage, nbttagcompound, pos, level); // CraftBukkit
+
+ return regionFile.getStatusIfCached(chunkPos.x, chunkPos.z);
}
+ }
+
+ public void updateChunkStatusOnDisk(ChunkPos chunkPos, @Nullable CompoundTag compound) throws IOException {
+ RegionFile regionFile = this.getIOWorker().getRegionFileCache().getFile(chunkPos, false);
+ RegionFile regionFile = regionFileCache.getFile(chunkPos, false);
+
+ regionFile.setStatus(chunkPos.x, chunkPos.z, ChunkSerializer.getStatus(compound));
+ }
@ -96,58 +104,50 @@ index 7585b6f87b72f53deccbcb8627a13503921fc682..0aac29de933c84c34cb24e204e8fcc70
+ }
+ // Paper end
+
boolean noPlayersCloseForSpawning(ChunkPos chunkcoordintpair) {
boolean noPlayersCloseForSpawning(ChunkPos chunkPos) {
// Spigot start
return isOutsideOfRange(chunkcoordintpair, false);
return this.isOutsideOfRange(chunkPos, false);
diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
index 6d33c1ee44bc732b58d18a8f6b0fd4bbdcb2dcd6..1e8ac0110badbf2d1c2336168c3e11991667c782 100644
index 77bb2fb280293da4a38f9acc6503e84997ecb399..c47d1772044913475a60292162ef4be594bed4c6 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -52,7 +52,7 @@ public class ServerChunkCache extends ChunkSource {
private final ServerLevel level;
public final Thread mainThread; // Paper - private -> public
private final ThreadedLevelLightEngine lightEngine;
- private final ServerChunkCache.MainThreadExecutor mainThreadProcessor;
@@ -52,10 +52,10 @@ public class ServerChunkCache extends ChunkSource {
private static final List<ChunkStatus> CHUNK_STATUSES = ChunkStatus.getStatusList(); public static final List<ChunkStatus> getPossibleChunkStatuses() { return ServerChunkCache.CHUNK_STATUSES; } // Paper - OBFHELPER
private final DistanceManager distanceManager;
public final ChunkGenerator generator;
- final ServerLevel level;
- public final Thread mainThread; // Paper - package-private -> public
- final ThreadedLevelLightEngine lightEngine;
- public final ServerChunkCache.MainThreadExecutor mainThreadProcessor; // Paper - private -> public
+ private final ServerLevel level;
+ public final Thread mainThread; // Paper - private -> public
+ private final ThreadedLevelLightEngine lightEngine;
+ public final ServerChunkCache.MainThreadExecutor mainThreadProcessor; // Paper private -> public
public final ChunkMap chunkMap;
private final DimensionDataStorage dataStorage;
private long lastInhabitedUpdate;
@@ -317,6 +317,21 @@ public class ServerChunkCache extends ChunkSource {
return ret;
@@ -324,6 +324,7 @@ public class ServerChunkCache extends ChunkSource {
}
+
+ @Nullable
+ public ChunkAccess getChunkAtImmediately(int x, int z) {
+ long k = ChunkPos.asLong(x, z);
+
+ // Note: Bypass cache to make this MT-Safe
+
+ ChunkHolder playerChunk = this.getVisibleChunkIfPresent(k);
+ if (playerChunk == null) {
+ return null;
+ }
+
+ return playerChunk.getAvailableChunkNow();
+
+ }
// Paper end
@Nullable
@@ -771,7 +786,7 @@ public class ServerChunkCache extends ChunkSource {
// Paper start - async chunk io
+ @Nullable
public ChunkAccess getChunkAtImmediately(int x, int z) {
ChunkHolder holder = this.chunkMap.getVisibleChunkIfPresent(ChunkPos.asLong(x, z));
if (holder == null) {
@@ -922,7 +923,7 @@ public class ServerChunkCache extends ChunkSource {
return this.lastSpawnState;
}
- final class MainThreadExecutor extends BlockableEventLoop<Runnable> {
- private final class MainThreadExecutor extends BlockableEventLoop<Runnable> {
+ public final class MainThreadExecutor extends BlockableEventLoop<Runnable> { // Paper - package -> public
private MainThreadExecutor(Level world) {
MainThreadExecutor(Level world) {
super("Chunk source main thread executor for " + world.dimension().location());
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 ae84dc310c076e3212d3cdbca77a1ab06a11d479..46d5a24332c1fd3c164b760ec2a2d5bf859b1ab6 100644
index 6e0cf8ee76143301c939fc4af5eeb091abdcbc5c..066f03ee7b4feda9ec2b0984ee7cf63fa0b9e4fc 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 {
@@ -204,6 +204,7 @@ public class ChunkStatus {
return this.name;
}
@ -155,7 +155,7 @@ index ae84dc310c076e3212d3cdbca77a1ab06a11d479..46d5a24332c1fd3c164b760ec2a2d5bf
public ChunkStatus getParent() {
return this.parent;
}
@@ -213,6 +214,17 @@ public class ChunkStatus {
@@ -224,6 +225,17 @@ public class ChunkStatus {
return this.chunkType;
}
@ -174,12 +174,12 @@ index ae84dc310c076e3212d3cdbca77a1ab06a11d479..46d5a24332c1fd3c164b760ec2a2d5bf
return (ChunkStatus) Registry.CHUNK_STATUS.get(ResourceLocation.tryParse(id));
}
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
index 542d6f322df5f44ad9f504c8e14c88e3fa540657..969130442b529eaac6f708107ff129f89cc0af90 100644
index 2621739b8dd11860084ea574c243cb8ba167ac40..fc320450878279a6aa48019fbde35bb183f5f06e 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
@@ -462,6 +462,17 @@ public class ChunkSerializer {
@@ -545,6 +545,17 @@ public class ChunkSerializer {
return nbttagcompound;
}
// Paper end
+ // Paper start
+ public static ChunkStatus getStatus(CompoundTag compound) {
@ -192,37 +192,24 @@ index 542d6f322df5f44ad9f504c8e14c88e3fa540657..969130442b529eaac6f708107ff129f8
+ }
+ // Paper end
+
public static ChunkStatus.ChunkType getChunkTypeFromTag(@Nullable CompoundTag tag) {
if (tag != null) {
ChunkStatus chunkstatus = ChunkStatus.byName(tag.getCompound("Level").getString("Status"));
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
index 637274532b01bb7b4cdb7d7b1b58181b98ac7e98..9cffef2098fbfba89ddd88a45bde33c07660497a 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
@@ -21,7 +21,7 @@ import net.minecraft.world.level.storage.DimensionDataStorage;
public class ChunkStorage implements AutoCloseable {
- private final IOWorker worker;
+ private final IOWorker worker; public IOWorker getIOWorker() { return worker; } // Paper - OBFHELPER
protected final DataFixer fixerUpper;
@Nullable
private LegacyStructureDataHandler legacyStructureHandler;
public static ChunkStatus.ChunkType getChunkTypeFromTag(@Nullable CompoundTag nbt) {
if (nbt != null) {
ChunkStatus chunkstatus = ChunkStatus.byName(nbt.getCompound("Level").getString("Status"));
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 424628c9588c02454558bc7e7c5bad3a3e75ec9f..4d96e5ed28c910387c0a4238c9036c7a12458f57 100644
index 357da4846344d1182ab7149c4d352d5019384715..832392cc2adc94e1fcb1055d91eb465529da1e92 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.Util;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.nbt.NbtIo;
@@ -23,6 +23,7 @@ import java.nio.file.StandardOpenOption;
import javax.annotation.Nullable;
import net.minecraft.Util;
import net.minecraft.world.level.ChunkPos;
+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 {
@@ -49,6 +50,30 @@ public class RegionFile implements AutoCloseable {
protected final RegionBitmap usedSectors;
public final File file; // Paper
public final java.util.concurrent.locks.ReentrantLock fileLock = new java.util.concurrent.locks.ReentrantLock(true); // Paper
+ // Paper start - Cache chunk status
+ private final ChunkStatus[] statuses = new ChunkStatus[32 * 32];
@ -251,7 +238,7 @@ index 424628c9588c02454558bc7e7c5bad3a3e75ec9f..4d96e5ed28c910387c0a4238c9036c7a
public RegionFile(File file, File directory, boolean dsync) throws IOException {
this(file.toPath(), directory.toPath(), RegionFileVersion.VERSION_DEFLATE, dsync);
}
@@ -380,11 +405,13 @@ public class RegionFile implements AutoCloseable {
@@ -395,6 +420,7 @@ public class RegionFile implements AutoCloseable {
return this.getOffset(pos) != 0;
}
@ -259,45 +246,36 @@ index 424628c9588c02454558bc7e7c5bad3a3e75ec9f..4d96e5ed28c910387c0a4238c9036c7a
private static int getOffsetIndex(ChunkPos pos) {
return pos.getRegionLocalX() + pos.getRegionLocalZ() * 32;
}
public void close() throws IOException {
@@ -405,6 +431,7 @@ public class RegionFile implements AutoCloseable {
synchronized (this) {
try {
// Paper end
+ this.closed = true; // Paper
try {
this.padToFullSector();
} finally {
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
index 6d3e1bb20d1ab8ce5c9ea613322042d80550761a..6f1c96e4325caf6b4762700ad2286d9ea41515c9 100644
index 211ab6cffe78c61fcff12ef7ffba904c4cae57b2..1bee455235ece8aa299a2baeede027d251e6ff57 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
@@ -28,7 +28,14 @@ public final class RegionFileStorage implements AutoCloseable {
this.sync = dsync;
@@ -143,6 +143,7 @@ public class RegionFileStorage implements AutoCloseable { // Paper - no final
try {
NbtIo.write(nbt, (DataOutput) dataoutputstream);
+ regionfile.setStatus(pos.x, pos.z, ChunkSerializer.getStatus(nbt)); // Paper - cache status on disk
} catch (Throwable throwable) {
if (dataoutputstream != null) {
try {
@@ -205,3 +206,4 @@ public class RegionFileStorage implements AutoCloseable { // Paper - no final
}
- private RegionFile getFile(ChunkPos chunkcoordintpair, boolean existingOnly) throws IOException { // CraftBukkit
}
+
+ // Paper start
+ public RegionFile getRegionFileIfLoaded(ChunkPos chunkcoordintpair) {
+ return this.regionCache.getAndMoveToFirst(ChunkPos.asLong(chunkcoordintpair.getRegionX(), chunkcoordintpair.getRegionZ()));
+ }
+
+ // Paper end
+ public RegionFile getFile(ChunkPos chunkcoordintpair, boolean existingOnly) throws IOException { // CraftBukkit // Paper - private > public
long i = ChunkPos.asLong(chunkcoordintpair.getRegionX(), chunkcoordintpair.getRegionZ());
RegionFile regionfile = (RegionFile) this.regionCache.getAndMoveToFirst(i);
@@ -175,6 +182,7 @@ public final class RegionFileStorage implements AutoCloseable {
try {
NbtIo.write(tag, (DataOutput) dataoutputstream);
+ regionfile.setStatus(pos.x, pos.z, ChunkSerializer.getStatus(tag)); // Paper - cache status on disk
regionfile.setOversized(pos.x, pos.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 0cb0021fac211996c5bdbb2cfc8f54addc3b49f6..a0615e4ba015cca4fe074de63b87d0bff84b1a14 100644
index 30305736b7dc023ad5eb3a177914560b3fec64ee..4841591539fdd5a01f9ded0ee510991602c266a4 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;
@@ -20,6 +20,7 @@ import java.util.Objects;
import java.util.Random;
import java.util.Set;
import java.util.UUID;
@ -305,7 +283,7 @@ index 0cb0021fac211996c5bdbb2cfc8f54addc3b49f6..a0615e4ba015cca4fe074de63b87d0bf
import java.util.function.Predicate;
import java.util.stream.Collectors;
import net.minecraft.core.BlockPos;
@@ -401,8 +402,22 @@ public class CraftWorld implements World {
@@ -417,8 +418,22 @@ public class CraftWorld implements World {
@Override
public boolean isChunkGenerated(int x, int z) {
@ -323,24 +301,24 @@ index 0cb0021fac211996c5bdbb2cfc8f54addc3b49f6..a0615e4ba015cca4fe074de63b87d0bf
+ return chunk instanceof ImposterProtoChunk || chunk instanceof net.minecraft.world.level.chunk.LevelChunk;
+ }
try {
- return world.getChunkSource().getChunkAtIfCachedImmediately(x, z) != null || world.getChunkSource().chunkMap.read(new ChunkPos(x, z)) != null; // Paper (TODO check if the first part can be removed)
- return this.world.getChunkSource().getChunkAtIfCachedImmediately(x, z) != null || this.world.getChunkSource().chunkMap.read(new ChunkPos(x, z)) != null; // Paper (TODO check if the first part can be removed)
+ return world.getChunkSource().chunkMap.getChunkStatusOnDisk(new ChunkPos(x, z)) == ChunkStatus.FULL;
+ // Paper end
} catch (IOException ex) {
throw new RuntimeException(ex);
}
@@ -513,20 +528,48 @@ public class CraftWorld implements World {
@@ -529,20 +544,48 @@ public class CraftWorld implements World {
@Override
public boolean loadChunk(int x, int z, boolean generate) {
org.spigotmc.AsyncCatcher.catchOp("chunk load"); // Spigot
- ChunkAccess chunk = world.getChunkSource().getChunk(x, z, generate || isChunkGenerated(x, z) ? ChunkStatus.FULL : ChunkStatus.EMPTY, true); // Paper
- ChunkAccess chunk = this.world.getChunkSource().getChunk(x, z, generate || isChunkGenerated(x, z) ? ChunkStatus.FULL : ChunkStatus.EMPTY, true); // Paper
+ // Paper start - Optimize this method
+ ChunkPos chunkPos = new ChunkPos(x, z);
- // If generate = false, but the chunk already exists, we will get this back.
- if (chunk instanceof ImposterProtoChunk) {
- // We then cycle through again to get the full chunk immediately, rather than after the ticket addition
- chunk = world.getChunkSource().getChunk(x, z, ChunkStatus.FULL, true);
- chunk = this.world.getChunkSource().getChunk(x, z, ChunkStatus.FULL, true);
- }
+ if (!generate) {
+ ChunkAccess immediate = world.getChunkSource().getChunkAtImmediately(x, z);
@ -357,11 +335,11 @@ index 0cb0021fac211996c5bdbb2cfc8f54addc3b49f6..a0615e4ba015cca4fe074de63b87d0bf
+ }
- if (chunk instanceof net.minecraft.world.level.chunk.LevelChunk) {
- world.getChunkSource().addRegionTicket(TicketType.PLUGIN, new ChunkPos(x, z), 1, Unit.INSTANCE);
- this.world.getChunkSource().addRegionTicket(TicketType.PLUGIN, new ChunkPos(x, z), 1, Unit.INSTANCE);
- return true;
+ net.minecraft.world.level.chunk.storage.RegionFile file;
+ try {
+ file = world.getChunkSource().chunkMap.getIOWorker().getRegionFileCache().getFile(chunkPos, false);
+ file = world.getChunkSource().chunkMap.regionFileCache.getFile(chunkPos, false);
+ } catch (IOException ex) {
+ throw new RuntimeException(ex);
+ }