Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-15 02:50:09 +01:00
245 Zeilen
12 KiB
Diff
245 Zeilen
12 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 4549b32a3d848e4e84334e889dbc9c6b883fe621..07a9a11c7fa608e221c0f0e759c483b44de9fdd5 100644
|
|
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
|
|
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
|
|
@@ -717,9 +717,13 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
|
|
// Paper end
|
|
|
|
private CompletableFuture<Optional<CompoundTag>> readChunk(ChunkPos chunkPos) {
|
|
- return this.read(chunkPos).thenApplyAsync((optional) -> {
|
|
- return optional.map((nbttagcompound) -> this.upgradeChunkTag(nbttagcompound, chunkPos)); // CraftBukkit
|
|
- }, Util.backgroundExecutor());
|
|
+ // Paper start - Cache chunk status on disk
|
|
+ try {
|
|
+ return CompletableFuture.completedFuture(Optional.ofNullable(this.readConvertChunkSync(chunkPos)));
|
|
+ } catch (Throwable thr) {
|
|
+ return CompletableFuture.failedFuture(thr);
|
|
+ }
|
|
+ // Paper end - Cache chunk status on disk
|
|
}
|
|
|
|
// CraftBukkit start
|
|
@@ -728,6 +732,60 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
|
|
// CraftBukkit end
|
|
}
|
|
|
|
+ // Paper start - Cache chunk status on disk
|
|
+ @Nullable
|
|
+ public CompoundTag readConvertChunkSync(ChunkPos pos) throws IOException {
|
|
+ CompoundTag nbttagcompound = this.readSync(pos);
|
|
+ if (nbttagcompound == null) {
|
|
+ return null;
|
|
+ }
|
|
+
|
|
+ nbttagcompound = this.upgradeChunkTag(nbttagcompound, pos); // CraftBukkit
|
|
+ if (nbttagcompound == null) {
|
|
+ return null;
|
|
+ }
|
|
+
|
|
+ this.updateChunkStatusOnDisk(pos, nbttagcompound);
|
|
+
|
|
+ return nbttagcompound;
|
|
+ }
|
|
+
|
|
+ public ChunkStatus getChunkStatusOnDiskIfCached(ChunkPos chunkPos) {
|
|
+ net.minecraft.world.level.chunk.storage.RegionFile regionFile = regionFileCache.getRegionFileIfLoaded(chunkPos);
|
|
+
|
|
+ return regionFile == null ? null : regionFile.getStatusIfCached(chunkPos.x, chunkPos.z);
|
|
+ }
|
|
+
|
|
+ public ChunkStatus getChunkStatusOnDisk(ChunkPos chunkPos) throws IOException {
|
|
+ net.minecraft.world.level.chunk.storage.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 {
|
|
+ net.minecraft.world.level.chunk.storage.RegionFile regionFile = regionFileCache.getRegionFile(chunkPos, false);
|
|
+
|
|
+ regionFile.setStatus(chunkPos.x, chunkPos.z, ChunkSerializer.getStatus(compound));
|
|
+ }
|
|
+
|
|
+ public ChunkAccess getUnloadingChunk(int chunkX, int chunkZ) {
|
|
+ ChunkHolder chunkHolder = io.papermc.paper.chunk.system.ChunkSystem.getUnloadingChunkHolder(this.level, chunkX, chunkZ);
|
|
+ return chunkHolder == null ? null : chunkHolder.getAvailableChunkNow();
|
|
+ }
|
|
+ // Paper end - Cache chunk status on disk
|
|
+
|
|
public boolean anyPlayerCloseEnoughForSpawning(ChunkPos pos) { // Paper - public
|
|
// Spigot start
|
|
return this.anyPlayerCloseEnoughForSpawning(pos, false);
|
|
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 6c89b92cac521808873e9e1eccc363695275cd7a..92ba75254f6ffca40abd5485dbb4789de59edebd 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
|
|
@@ -50,6 +50,30 @@ public class RegionFile implements AutoCloseable {
|
|
public final java.util.concurrent.locks.ReentrantLock fileLock = new java.util.concurrent.locks.ReentrantLock(); // 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 - Cache chunk status
|
|
+
|
|
public RegionFile(Path file, Path directory, boolean dsync) throws IOException {
|
|
this(file, directory, RegionFileVersion.getCompressionFormat(), dsync); // Paper - Configurable region compression format
|
|
}
|
|
@@ -397,6 +421,7 @@ 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 - Cache chunk status; OBFHELPER - sort of, mirror of logic below
|
|
private static int getOffsetIndex(ChunkPos pos) {
|
|
return pos.getRegionLocalX() + pos.getRegionLocalZ() * 32;
|
|
}
|
|
@@ -407,6 +432,7 @@ public class RegionFile implements AutoCloseable {
|
|
synchronized (this) {
|
|
try {
|
|
// Paper end
|
|
+ this.closed = true; // Paper - Cache chunk status
|
|
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 f27cf743bbc379520263909541d653dd38d1be58..0db8ee3b640e6d1268e9c1cccda85459bd447105 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
|
|
@@ -266,6 +266,7 @@ public class RegionFileStorage implements AutoCloseable {
|
|
|
|
try {
|
|
NbtIo.write(nbt, (DataOutput) dataoutputstream);
|
|
+ regionfile.setStatus(pos.x, pos.z, ChunkSerializer.getStatus(nbt)); // Paper - Cache chunk status
|
|
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
|
|
// Paper start - don't write garbage data to disk if writing serialization fails
|
|
dataoutputstream.close(); // Only write if successful
|
|
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
|
|
index 75ddeceb3f6c381b95dca0a93643aaca69d418e3..18a2f8c956137b8b60b07e02df4b3a2350fc6e46 100644
|
|
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
|
|
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
|
|
@@ -383,9 +383,23 @@ public class CraftWorld extends CraftRegionAccessor implements World {
|
|
|
|
@Override
|
|
public boolean isChunkGenerated(int x, int z) {
|
|
+ // Paper start - Fix this method
|
|
+ if (!Bukkit.isPrimaryThread()) {
|
|
+ return java.util.concurrent.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.isChunkLoaded(x, z) || this.world.getChunkSource().chunkMap.read(new ChunkPos(x, z)).get().isPresent();
|
|
- } catch (InterruptedException | ExecutionException ex) {
|
|
+ return world.getChunkSource().chunkMap.getChunkStatusOnDisk(new ChunkPos(x, z)) == ChunkStatus.FULL;
|
|
+ } catch (java.io.IOException ex) {
|
|
+ // Paper end - Fix this method
|
|
throw new RuntimeException(ex);
|
|
}
|
|
}
|
|
@@ -537,20 +551,48 @@ public class CraftWorld extends CraftRegionAccessor implements World {
|
|
public boolean loadChunk(int x, int z, boolean generate) {
|
|
org.spigotmc.AsyncCatcher.catchOp("chunk load"); // Spigot
|
|
warnUnsafeChunk("loading a faraway chunk", x, z); // Paper
|
|
- ChunkAccess chunk = this.world.getChunkSource().getChunk(x, z, generate || isChunkGenerated(x, z) ? ChunkStatus.FULL : ChunkStatus.EMPTY, true); // Paper
|
|
-
|
|
- // 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 (chunk instanceof net.minecraft.world.level.chunk.LevelChunk) {
|
|
- this.world.getChunkSource().addRegionTicket(TicketType.PLUGIN, new ChunkPos(x, z), 0, Unit.INSTANCE); // Paper
|
|
+ // Paper start - Optimize this method
|
|
+ ChunkPos chunkPos = new ChunkPos(x, z);
|
|
+ ChunkAccess immediate = world.getChunkSource().getChunkAtIfLoadedImmediately(x, z);
|
|
+ if (immediate != null) {
|
|
+ // Plugins should use plugin tickets instead of this method to keep a chunk perpetually loaded
|
|
return true;
|
|
}
|
|
|
|
- return false;
|
|
+ if (!generate) {
|
|
+ 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, 0, Unit.INSTANCE); // Paper
|
|
+ world.getChunk(x, z); // make sure we're at ticket level 32 or lower
|
|
+ return true;
|
|
+ }
|
|
+ net.minecraft.world.level.chunk.storage.RegionFile file;
|
|
+ try {
|
|
+ file = world.getChunkSource().chunkMap.regionFileCache.getRegionFile(chunkPos, false);
|
|
+ } catch (java.io.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
|
|
+ }
|
|
+ world.getChunkSource().addRegionTicket(TicketType.PLUGIN, chunkPos, 0, Unit.INSTANCE); // Paper
|
|
+ world.getChunkSource().getChunk(x, z, ChunkStatus.FULL, true);
|
|
+ return true;
|
|
+ // Paper end - Optimize this method
|
|
}
|
|
|
|
@Override
|