337 Zeilen
15 KiB
Diff
337 Zeilen
15 KiB
Diff
|
From c51e28b104b1df742a48f6ad8cbe6e655bd714bb 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/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
|
||
|
index d83eec0d76..459bd619ee 100644
|
||
|
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
|
||
|
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
|
||
|
@@ -29,7 +29,7 @@ public class ChunkProviderServer extends IChunkProvider {
|
||
|
private final WorldServer world;
|
||
|
private final Thread serverThread;
|
||
|
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;
|
||
|
@@ -119,6 +119,36 @@ public class ChunkProviderServer extends IChunkProvider {
|
||
|
|
||
|
return playerChunk.getFullChunk();
|
||
|
}
|
||
|
+
|
||
|
+ @Nullable
|
||
|
+ public IChunkAccess getChunkAtImmediately(int x, int z) {
|
||
|
+ if (Thread.currentThread() != this.serverThread) {
|
||
|
+ return CompletableFuture.supplyAsync(() -> {
|
||
|
+ return this.getChunkAtImmediately(x, z);
|
||
|
+ }, this.serverThreadQueue).join();
|
||
|
+ }
|
||
|
+
|
||
|
+ long k = ChunkCoordIntPair.pair(x, z);
|
||
|
+
|
||
|
+ IChunkAccess ichunkaccess;
|
||
|
+
|
||
|
+ for (int l = 0; l < 4; ++l) {
|
||
|
+ if (k == this.cachePos[l]) {
|
||
|
+ ichunkaccess = this.cacheChunk[l];
|
||
|
+ if (ichunkaccess != null) { // CraftBukkit - the chunk can become accessible in the meantime TODO for non-null chunks it might also make sense to check that the chunk's state hasn't changed in the meantime
|
||
|
+ return ichunkaccess;
|
||
|
+ }
|
||
|
+ }
|
||
|
+ }
|
||
|
+
|
||
|
+ PlayerChunk playerChunk = this.getChunk(k);
|
||
|
+ if (playerChunk == null) {
|
||
|
+ return null;
|
||
|
+ }
|
||
|
+
|
||
|
+ return playerChunk.getAvailableChunkNow();
|
||
|
+
|
||
|
+ }
|
||
|
// Paper end
|
||
|
|
||
|
@Nullable
|
||
|
diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
|
||
|
index 2f749fe26a..4906530d83 100644
|
||
|
--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
|
||
|
+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
|
||
|
@@ -409,6 +409,17 @@ public class ChunkRegionLoader {
|
||
|
return nbttagcompound;
|
||
|
}
|
||
|
|
||
|
+ // 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/server/ChunkStatus.java b/src/main/java/net/minecraft/server/ChunkStatus.java
|
||
|
index dd1822d6ff..e324989b46 100644
|
||
|
--- a/src/main/java/net/minecraft/server/ChunkStatus.java
|
||
|
+++ b/src/main/java/net/minecraft/server/ChunkStatus.java
|
||
|
@@ -176,6 +176,7 @@ public class ChunkStatus {
|
||
|
return this.s;
|
||
|
}
|
||
|
|
||
|
+ public ChunkStatus getPreviousStatus() { return this.e(); } // Paper - OBFHELPER
|
||
|
public ChunkStatus e() {
|
||
|
return this.u;
|
||
|
}
|
||
|
@@ -196,6 +197,17 @@ 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/server/PlayerChunk.java b/src/main/java/net/minecraft/server/PlayerChunk.java
|
||
|
index 806d225aaa..97040528a0 100644
|
||
|
--- a/src/main/java/net/minecraft/server/PlayerChunk.java
|
||
|
+++ b/src/main/java/net/minecraft/server/PlayerChunk.java
|
||
|
@@ -70,6 +70,19 @@ 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/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
|
||
|
index 86831c3526..f4bdb2eda3 100644
|
||
|
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
|
||
|
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
|
||
|
@@ -808,10 +808,23 @@ 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);
|
||
|
|
||
|
- return nbttagcompound == null ? null : this.getChunkData(this.world.getWorldProvider().getDimensionManager(), this.m, nbttagcompound, chunkcoordintpair, world); // CraftBukkit
|
||
|
+ // Paper start - Cache chunk status on disk
|
||
|
+ if (nbttagcompound == null) {
|
||
|
+ return null;
|
||
|
+ }
|
||
|
+
|
||
|
+ nbttagcompound = this.getChunkData(this.world.getWorldProvider().getDimensionManager(), this.m, nbttagcompound, chunkcoordintpair, world); // CraftBukkit
|
||
|
+ if (nbttagcompound == null) {
|
||
|
+ return null;
|
||
|
+ }
|
||
|
+
|
||
|
+ this.getRegionFile(chunkcoordintpair, false).setStatus(chunkcoordintpair.x, chunkcoordintpair.z, ChunkRegionLoader.getStatus(nbttagcompound));
|
||
|
+
|
||
|
+ return nbttagcompound;
|
||
|
+ // Paper end
|
||
|
}
|
||
|
|
||
|
// Spigot Start
|
||
|
diff --git a/src/main/java/net/minecraft/server/RegionFile.java b/src/main/java/net/minecraft/server/RegionFile.java
|
||
|
index 2e14d84657..d610253b95 100644
|
||
|
--- a/src/main/java/net/minecraft/server/RegionFile.java
|
||
|
+++ b/src/main/java/net/minecraft/server/RegionFile.java
|
||
|
@@ -31,6 +31,47 @@ public class RegionFile implements AutoCloseable {
|
||
|
private final int[] d = new int[1024];private int[] timestamps = d; // Paper - OBFHELPER
|
||
|
private final List<Boolean> e; private List<Boolean> getFreeSectors() { return this.e; } // Paper - OBFHELPER
|
||
|
|
||
|
+ // 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[this.getChunkLocation(new ChunkCoordIntPair(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 = this.getChunkLocation(new ChunkCoordIntPair(x, z));
|
||
|
+ return this.statuses[location];
|
||
|
+ }
|
||
|
+
|
||
|
+ public ChunkStatus getStatus(int x, int z, PlayerChunkMap playerChunkMap) throws IOException {
|
||
|
+ if (this.closed) {
|
||
|
+ // We've used an invalid region file.
|
||
|
+ throw new java.io.EOFException("RegionFile is closed");
|
||
|
+ }
|
||
|
+ ChunkCoordIntPair chunkPos = new ChunkCoordIntPair(x, z);
|
||
|
+ int location = this.getChunkLocation(chunkPos);
|
||
|
+ ChunkStatus cached = this.statuses[location];
|
||
|
+ if (cached != null) {
|
||
|
+ return cached;
|
||
|
+ }
|
||
|
+
|
||
|
+ playerChunkMap.readChunkData(chunkPos); // This will set our status (yes it's disgusting)
|
||
|
+
|
||
|
+ return this.statuses[location];
|
||
|
+ }
|
||
|
+ // Paper end
|
||
|
+
|
||
|
public RegionFile(File file) throws IOException {
|
||
|
this.b = new RandomAccessFile(file, "rw");
|
||
|
this.file = file; // Spigot // Paper - We need this earlier
|
||
|
@@ -299,6 +340,7 @@ public class RegionFile implements AutoCloseable {
|
||
|
this.writeInt(i); // Paper - Avoid 3 io write calls
|
||
|
}
|
||
|
|
||
|
+ private final int getChunkLocation(ChunkCoordIntPair chunkcoordintpair) { return this.f(chunkcoordintpair); } // Paper - OBFHELPER
|
||
|
private int f(ChunkCoordIntPair chunkcoordintpair) {
|
||
|
return chunkcoordintpair.j() + chunkcoordintpair.k() * 32;
|
||
|
}
|
||
|
@@ -312,6 +354,7 @@ public class RegionFile implements AutoCloseable {
|
||
|
}
|
||
|
|
||
|
public void close() throws IOException {
|
||
|
+ this.closed = true; // Paper
|
||
|
this.b.close();
|
||
|
}
|
||
|
|
||
|
diff --git a/src/main/java/net/minecraft/server/RegionFileCache.java b/src/main/java/net/minecraft/server/RegionFileCache.java
|
||
|
index 6f34d8aea0..d1323891fa 100644
|
||
|
--- a/src/main/java/net/minecraft/server/RegionFileCache.java
|
||
|
+++ b/src/main/java/net/minecraft/server/RegionFileCache.java
|
||
|
@@ -110,6 +110,7 @@ public abstract class RegionFileCache implements AutoCloseable {
|
||
|
try {
|
||
|
NBTCompressedStreamTools.writeNBT(nbttagcompound, out);
|
||
|
out.close();
|
||
|
+ regionfile.setStatus(chunk.x, chunk.z, ChunkRegionLoader.getStatus(nbttagcompound)); // Paper - cache status on disk
|
||
|
regionfile.setOversized(chunkX, chunkZ, false);
|
||
|
} catch (RegionFile.ChunkTooLargeException ignored) {
|
||
|
printOversizedLog("ChunkTooLarge! Someone is trying to duplicate.", regionfile.file, chunkX, chunkZ);
|
||
|
@@ -127,6 +128,7 @@ public abstract class RegionFileCache implements AutoCloseable {
|
||
|
if (SIZE_THRESHOLD == OVERZEALOUS_THRESHOLD) {
|
||
|
resetFilterThresholds();
|
||
|
}
|
||
|
+ regionfile.setStatus(chunk.x, chunk.z, ChunkRegionLoader.getStatus(nbttagcompound)); // Paper - cache status on disk
|
||
|
} catch (RegionFile.ChunkTooLargeException e) {
|
||
|
printOversizedLog("ChunkTooLarge even after reduction. Trying in overzealous mode.", regionfile.file, chunkX, chunkZ);
|
||
|
// Eek, major fail. We have retry logic, so reduce threshholds and fall back
|
||
|
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
|
||
|
index 0cdf723480..4026edabc2 100644
|
||
|
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
|
||
|
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
|
||
|
@@ -387,8 +387,20 @@ 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) {
|
||
|
+ return chunk instanceof ProtoChunkExtension || chunk instanceof net.minecraft.server.Chunk;
|
||
|
+ }
|
||
|
try {
|
||
|
- return world.getChunkProvider().getChunkAtIfCachedImmediately(x, z) != null || world.getChunkProvider().playerChunkMap.chunkExists(new ChunkCoordIntPair(x, z)); // Paper
|
||
|
+ return world.getChunkProvider().playerChunkMap.getRegionFile(new ChunkCoordIntPair(x, z), false)
|
||
|
+ .getStatus(x, z, world.getChunkProvider().playerChunkMap) == ChunkStatus.FULL;
|
||
|
+ // Paper end
|
||
|
} catch (IOException ex) {
|
||
|
throw new RuntimeException(ex);
|
||
|
}
|
||
|
@@ -500,20 +512,14 @@ 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);
|
||
|
-
|
||
|
- // 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 (chunk instanceof net.minecraft.server.Chunk) {
|
||
|
- world.getChunkProvider().addTicket(TicketType.PLUGIN, new ChunkCoordIntPair(x, z), 1, Unit.INSTANCE);
|
||
|
- return true;
|
||
|
+ // Paper - Optimize this method
|
||
|
+ if (!generate && !isChunkGenerated(x, z)) {
|
||
|
+ return false;
|
||
|
}
|
||
|
-
|
||
|
- return false;
|
||
|
+ world.getChunkProvider().addTicket(TicketType.PLUGIN, new ChunkCoordIntPair(x, z), 1, Unit.INSTANCE);
|
||
|
+ world.getChunkProvider().getChunkAt(x, z, ChunkStatus.FULL, true);
|
||
|
+ return true;
|
||
|
+ // Paper end
|
||
|
}
|
||
|
|
||
|
@Override
|
||
|
@@ -2125,21 +2131,11 @@ public class CraftWorld implements World {
|
||
|
|
||
|
// Paper start
|
||
|
private Chunk getChunkAtGen(int x, int z, boolean gen) {
|
||
|
- // copied from loadChunk()
|
||
|
- // this function is identical except we do not add a plugin ticket
|
||
|
- IChunkAccess chunk = world.getChunkProvider().getChunkAt(x, z, gen || isChunkGenerated(x, z) ? ChunkStatus.FULL : ChunkStatus.EMPTY, true);
|
||
|
-
|
||
|
- // 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 (chunk instanceof net.minecraft.server.Chunk) {
|
||
|
- return ((net.minecraft.server.Chunk)chunk).bukkitChunk;
|
||
|
+ // Note: Copied from loadChunk()
|
||
|
+ if (!gen && !isChunkGenerated(x, z)) {
|
||
|
+ return null;
|
||
|
}
|
||
|
-
|
||
|
- return null;
|
||
|
+ return ((net.minecraft.server.Chunk)world.getChunkProvider().getChunkAt(x, z, ChunkStatus.FULL, true)).bukkitChunk;
|
||
|
}
|
||
|
|
||
|
@Override
|
||
|
--
|
||
|
2.21.0
|
||
|
|