mirror of
https://github.com/PaperMC/Paper.git
synced 2024-08-31 09:09:56 +02:00
293 lines
14 KiB
Diff
293 lines
14 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/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
|
|
index a605b0868b8214408e20419e336ad52659b12e4f..18d442feb77f7763d8f6c411b0e5cb0aeca1f725 100644
|
|
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
|
|
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
|
|
@@ -86,6 +86,7 @@ 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.blending.BlendingData;
|
|
import net.minecraft.world.level.levelgen.structure.StructureStart;
|
|
@@ -1182,10 +1183,59 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
|
|
@Nullable
|
|
public CompoundTag readChunk(ChunkPos pos) throws IOException {
|
|
CompoundTag nbttagcompound = this.read(pos);
|
|
+ // Paper start - Cache chunk status on disk
|
|
+ if (nbttagcompound == null) {
|
|
+ return null;
|
|
+ }
|
|
+
|
|
+ nbttagcompound = this.upgradeChunkTag(this.level.getTypeKey(), this.overworldDataStorage, nbttagcompound, this.generator.getTypeNameForDataFixer(), pos, level); // CraftBukkit
|
|
+ if (nbttagcompound == null) {
|
|
+ return null;
|
|
+ }
|
|
+
|
|
+ this.updateChunkStatusOnDisk(pos, nbttagcompound);
|
|
+
|
|
+ return nbttagcompound;
|
|
+ // Paper end
|
|
+ }
|
|
+
|
|
+ // Paper start - chunk status cache "api"
|
|
+ public ChunkStatus getChunkStatusOnDiskIfCached(ChunkPos chunkPos) {
|
|
+ RegionFile regionFile = regionFileCache.getRegionFileIfLoaded(chunkPos);
|
|
|
|
- return nbttagcompound == null ? null : this.upgradeChunkTag(this.level.getTypeKey(), this.overworldDataStorage, nbttagcompound, this.generator.getTypeNameForDataFixer(), pos, level); // CraftBukkit
|
|
+ return regionFile == null ? null : regionFile.getStatusIfCached(chunkPos.x, chunkPos.z);
|
|
}
|
|
|
|
+ public ChunkStatus getChunkStatusOnDisk(ChunkPos chunkPos) throws IOException {
|
|
+ RegionFile regionFile = regionFileCache.getRegionFile(chunkPos, true);
|
|
+
|
|
+ if (regionFile == null || !regionFileCache.chunkExists(chunkPos)) {
|
|
+ return null;
|
|
+ }
|
|
+
|
|
+ ChunkStatus status = regionFile.getStatusIfCached(chunkPos.x, chunkPos.z);
|
|
+
|
|
+ if (status != null) {
|
|
+ return status;
|
|
+ }
|
|
+
|
|
+ this.readChunk(chunkPos);
|
|
+
|
|
+ return regionFile.getStatusIfCached(chunkPos.x, chunkPos.z);
|
|
+ }
|
|
+
|
|
+ public void updateChunkStatusOnDisk(ChunkPos chunkPos, @Nullable CompoundTag compound) throws IOException {
|
|
+ RegionFile regionFile = regionFileCache.getRegionFile(chunkPos, false);
|
|
+
|
|
+ regionFile.setStatus(chunkPos.x, chunkPos.z, ChunkSerializer.getStatus(compound));
|
|
+ }
|
|
+
|
|
+ public ChunkAccess getUnloadingChunk(int chunkX, int chunkZ) {
|
|
+ ChunkHolder chunkHolder = this.pendingUnloads.get(ChunkPos.asLong(chunkX, chunkZ));
|
|
+ return chunkHolder == null ? null : chunkHolder.getAvailableChunkNow();
|
|
+ }
|
|
+ // Paper end
|
|
+
|
|
boolean anyPlayerCloseEnoughForSpawning(ChunkPos pos) {
|
|
// Spigot start
|
|
return this.anyPlayerCloseEnoughForSpawning(pos, 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 328f482a0bae8d2f8013ae9a90f0500ef889ffb5..6c72854aa975800bd6160d104936a5ba978f4d67 100644
|
|
--- a/src/main/java/net/minecraft/world/level/chunk/ChunkStatus.java
|
|
+++ b/src/main/java/net/minecraft/world/level/chunk/ChunkStatus.java
|
|
@@ -290,6 +290,17 @@ public class ChunkStatus {
|
|
return this.chunkType;
|
|
}
|
|
|
|
+ // Paper start
|
|
+ public static ChunkStatus getStatus(String name) {
|
|
+ try {
|
|
+ // We need this otherwise we return EMPTY for invalid names
|
|
+ ResourceLocation key = new ResourceLocation(name);
|
|
+ return Registry.CHUNK_STATUS.getOptional(key).orElse(null);
|
|
+ } catch (Exception ex) {
|
|
+ return null; // invalid name
|
|
+ }
|
|
+ }
|
|
+ // Paper end
|
|
public static ChunkStatus byName(String id) {
|
|
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 3215238699f46d64d0291597f5936d1f3d7b6d6c..cef593299d6363eb9d07e8d2ef0b0ad49d63a0f2 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
|
|
@@ -597,6 +597,17 @@ public class ChunkSerializer {
|
|
}));
|
|
}
|
|
|
|
+ // Paper start
|
|
+ public static @Nullable ChunkStatus getStatus(@Nullable CompoundTag compound) {
|
|
+ if (compound == null) {
|
|
+ return null;
|
|
+ }
|
|
+
|
|
+ // Note: Copied from below
|
|
+ return ChunkStatus.getStatus(compound.getCompound("Level").getString("Status"));
|
|
+ }
|
|
+ // Paper end
|
|
+
|
|
public static ChunkStatus.ChunkType getChunkTypeFromTag(@Nullable CompoundTag nbt) {
|
|
return nbt != null ? ChunkStatus.byName(nbt.getString("Status")).getChunkType() : ChunkStatus.ChunkType.PROTOCHUNK;
|
|
}
|
|
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 d511db5453b722f747cc24cf2b4d97a0be75ce6a..988bc12ce011839dddbcb2f3ff96ed3829b3538e 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
|
|
@@ -24,6 +24,7 @@ import net.minecraft.Util;
|
|
import net.minecraft.nbt.CompoundTag;
|
|
import net.minecraft.nbt.NbtIo;
|
|
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;
|
|
|
|
@@ -51,6 +52,30 @@ public class RegionFile implements AutoCloseable {
|
|
public final java.util.concurrent.locks.ReentrantLock fileLock = new java.util.concurrent.locks.ReentrantLock(true); // Paper
|
|
public final Path regionFile; // 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(Path path, Path path1, boolean dsync) throws IOException {
|
|
this(path, path1, RegionFileVersion.VERSION_DEFLATE, dsync);
|
|
}
|
|
@@ -398,6 +423,7 @@ public class RegionFile implements AutoCloseable {
|
|
return this.getOffset(pos) != 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 getOffsetIndex(ChunkPos pos) {
|
|
return pos.getRegionLocalX() + pos.getRegionLocalZ() * 32;
|
|
}
|
|
@@ -408,6 +434,7 @@ 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 164db987210aae06432a6abd9b22796c2168e212..91cf5878dc13e1abca0c301d1346248bda251cbf 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
|
|
@@ -248,6 +248,7 @@ public class RegionFileStorage implements AutoCloseable {
|
|
|
|
try {
|
|
NbtIo.write(nbt, (DataOutput) dataoutputstream);
|
|
+ regionfile.setStatus(pos.x, pos.z, ChunkSerializer.getStatus(nbt)); // 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 throwable) {
|
|
if (dataoutputstream != null) {
|
|
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
|
|
index bb95fec09594f7e2d38619ae4055ec9964635622..c4d5d78064cbef9386c00dc962e0a7889ed73d9d 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.BlockPos;
|
|
@@ -280,8 +281,22 @@ public class CraftWorld extends CraftRegionAccessor 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.getChunkSource().mainThreadProcessor).join();
|
|
+ }
|
|
+ ChunkAccess chunk = world.getChunkSource().getChunkAtImmediately(x, z);
|
|
+ if (chunk == null) {
|
|
+ chunk = world.getChunkSource().chunkMap.getUnloadingChunk(x, z);
|
|
+ }
|
|
+ if (chunk != null) {
|
|
+ return chunk instanceof ImposterProtoChunk || chunk instanceof net.minecraft.world.level.chunk.LevelChunk;
|
|
+ }
|
|
try {
|
|
- 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);
|
|
}
|
|
@@ -392,20 +407,48 @@ public class CraftWorld extends CraftRegionAccessor implements World {
|
|
@Override
|
|
public boolean loadChunk(int x, int z, boolean generate) {
|
|
org.spigotmc.AsyncCatcher.catchOp("chunk load"); // Spigot
|
|
- 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 = this.world.getChunkSource().getChunk(x, z, ChunkStatus.FULL, true);
|
|
- }
|
|
+ if (!generate) {
|
|
+ ChunkAccess immediate = world.getChunkSource().getChunkAtImmediately(x, z);
|
|
+ if (immediate == null) {
|
|
+ immediate = world.getChunkSource().chunkMap.getUnloadingChunk(x, z);
|
|
+ }
|
|
+ if (immediate != null) {
|
|
+ if (!(immediate instanceof ImposterProtoChunk) && !(immediate instanceof net.minecraft.world.level.chunk.LevelChunk)) {
|
|
+ return false; // not full status
|
|
+ }
|
|
+ world.getChunkSource().addRegionTicket(TicketType.PLUGIN, chunkPos, 1, Unit.INSTANCE);
|
|
+ world.getChunk(x, z); // make sure we're at ticket level 32 or lower
|
|
+ return true;
|
|
+ }
|
|
|
|
- if (chunk instanceof net.minecraft.world.level.chunk.LevelChunk) {
|
|
- 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.regionFileCache.getRegionFile(chunkPos, false);
|
|
+ } catch (IOException ex) {
|
|
+ throw new RuntimeException(ex);
|
|
+ }
|
|
+
|
|
+ ChunkStatus status = file.getStatusIfCached(x, z);
|
|
+ if (!file.hasChunk(chunkPos) || (status != null && status != ChunkStatus.FULL)) {
|
|
+ return false;
|
|
+ }
|
|
+
|
|
+ ChunkAccess chunk = world.getChunkSource().getChunk(x, z, ChunkStatus.EMPTY, true);
|
|
+ if (!(chunk instanceof ImposterProtoChunk) && !(chunk instanceof net.minecraft.world.level.chunk.LevelChunk)) {
|
|
+ return false;
|
|
+ }
|
|
+
|
|
+ // fall through to load
|
|
+ // we do this so we do not re-read the chunk data on disk
|
|
}
|
|
|
|
- return false;
|
|
+ world.getChunkSource().addRegionTicket(TicketType.PLUGIN, chunkPos, 1, Unit.INSTANCE);
|
|
+ world.getChunkSource().getChunk(x, z, ChunkStatus.FULL, true);
|
|
+ return true;
|
|
+ // Paper end
|
|
}
|
|
|
|
@Override
|