mirror of
https://github.com/PaperMC/Paper.git
synced 2024-12-23 15:00:30 +01:00
284 lines
14 KiB
Diff
284 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 04b287c91acef5b9f0b73edb71fbefbb1f08eee6..ebb2b7323b4e11749b7b905cc76863a841a74784 100644
|
|
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
|
|
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
|
|
@@ -90,6 +90,7 @@ 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;
|
|
@@ -1218,10 +1219,59 @@ 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 a7f173c385f7a96010652b92fe14bffa5f1ffc68..954e141e5617d6d52e2f3008c25fe9e2fe2f0f9a 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 37a60420b993525852492fd6665fb75afee9796f..9a4fe42da43037a65738b978c0c6c9969de59e76 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
|
|
@@ -606,6 +606,17 @@ 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.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 330fb8e6565a5c0490af0c5ca0e7355d81a82e58..861a25a15f1aab20e3245b6d5cdad5d23bdfd6d0 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
|
|
@@ -51,6 +51,30 @@ 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 net.minecraft.world.level.chunk.ChunkStatus[] statuses = new net.minecraft.world.level.chunk.ChunkStatus[32 * 32];
|
|
+
|
|
+ private boolean closed;
|
|
+
|
|
+ // invoked on write/read
|
|
+ public void setStatus(int x, int z, net.minecraft.world.level.chunk.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 net.minecraft.world.level.chunk.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 file, Path directory, boolean dsync) throws IOException {
|
|
this(file, directory, RegionFileVersion.VERSION_DEFLATE, dsync);
|
|
}
|
|
@@ -398,6 +422,7 @@ 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 +433,7 @@ 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 a1bfcdd713c47d8613eb4af7625a64d51161690b..4bc33c31d497aa7d69226ab870fd78902bedfd5b 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
|
|
@@ -245,6 +245,7 @@ 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 f782147a7523b952b272ba67c7b85164236379ef..0edb08a391f806e56ed1bd4812eb9c9d2b966bd7 100644
|
|
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
|
|
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
|
|
@@ -20,6 +20,7 @@ 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;
|
|
@@ -293,8 +294,22 @@ 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);
|
|
}
|
|
@@ -406,20 +421,48 @@ 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
|