Paper/Spigot-Server-Patches/0394-Fix-World-isChunkGenerated-calls.patch

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From 431147e9f64a4ffe67f25ed2dfdccf8469e92ff0 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 535c2258b..e0bd03b3b 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
2019-07-20 06:01:24 +02:00
@@ -28,7 +28,7 @@ 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;
@@ -109,6 +109,21 @@ public class ChunkProviderServer extends IChunkProvider {
return playerChunk.getFullChunk();
}
+
+ @Nullable
+ public IChunkAccess getChunkAtImmediately(int x, int z) {
+ long k = ChunkCoordIntPair.pair(x, z);
+
+ // Note: Bypass cache to make this MT-Safe
+
+ 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 e778c2e85..73f93e494 100644
--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
@@ -410,6 +410,17 @@ 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 dd1822d6f..e324989b4 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 14a176d61..98590e233 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 2be6fa0f0..bdadbd436 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -891,11 +891,61 @@ 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.updateChunkStatusOnDisk(chunkcoordintpair, nbttagcompound);
+
+ return nbttagcompound;
+ // Paper end
+ }
+
+ // Paper start - chunk status cache "api"
+ public ChunkStatus getChunkStatusOnDiskIfCached(ChunkCoordIntPair chunkPos) {
+ RegionFile regionFile = this.getRegionFileIfLoaded(chunkPos);
+
+ return regionFile == null ? null : regionFile.getStatusIfCached(chunkPos.x, chunkPos.z);
+ }
+
+ public ChunkStatus getChunkStatusOnDisk(ChunkCoordIntPair chunkPos) throws IOException {
+ RegionFile regionFile = this.getRegionFile(chunkPos, false);
+
+ if (!regionFile.chunkExists(chunkPos)) {
+ return null;
+ }
+
+ ChunkStatus status = regionFile.getStatusIfCached(chunkPos.x, chunkPos.z);
+
+ if (status != null) {
+ return status;
+ }
+
+ this.readChunkData(chunkPos);
+
+ return regionFile.getStatusIfCached(chunkPos.x, chunkPos.z);
+ }
+
+ public void updateChunkStatusOnDisk(ChunkCoordIntPair chunkPos, @Nullable NBTTagCompound compound) throws IOException {
+ RegionFile regionFile = this.getRegionFile(chunkPos, false);
+
+ regionFile.setStatus(chunkPos.x, chunkPos.z, ChunkRegionLoader.getStatus(compound));
+ }
+
+ public IChunkAccess getUnloadingChunk(int chunkX, int chunkZ) {
+ PlayerChunk chunkHolder = this.pendingUnload.get(ChunkCoordIntPair.pair(chunkX, chunkZ));
+ return chunkHolder == null ? null : chunkHolder.getAvailableChunkNow();
}
+ // Paper end
2019-07-20 06:01:24 +02:00
boolean isOutsideOfRange(ChunkCoordIntPair chunkcoordintpair) {
// Spigot start
diff --git a/src/main/java/net/minecraft/server/RegionFile.java b/src/main/java/net/minecraft/server/RegionFile.java
index ccc3d6c7a..b487e8060 100644
--- a/src/main/java/net/minecraft/server/RegionFile.java
+++ b/src/main/java/net/minecraft/server/RegionFile.java
@@ -31,6 +31,30 @@ public class RegionFile implements AutoCloseable {
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#2415) * fixup patch and rebuild * Updated Upstream (Bukkit/CraftBukkit/Spigot) Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: bde198c9 SPIGOT-5246: PlayerQuitEvent.get/setQuitMessage() is incorrectly marked as NotNull 24ad5a79 SPIGOT-5240: Vector.angle not valid for angles very close to each other a143db9a SPIGOT-5231: ShotAtAngle API for Fireworks 10db5c3d SPIGOT-5226: Update Javadoc of PlayerDeathEvent CraftBukkit Changes: 1ec1b05e SPIGOT-5245: Unneeded cast to WorldNBTStorage in CraftWorld#getWorldFolder e5e8eec2 SPIGOT-5241: setAttributeModifiers does not work on untouched stack 803eaa31 SPIGOT-5231: ShotAtAngle API for Fireworks 7881d2ae SPIGOT-5237: Horses, pigs do not drop their inventory 06efc9ec Don't accept connections until all plugins have enabled da62a66a SPIGOT-5225: World handle isn't closed if world is unloaded without saving 104b3831 SPIGOT-5222: Cannot get Long values from Entity memory f0b3fe43 SPIGOT-5220: Server CPU usage reaches 100% when stdin is null Spigot Changes: e5b1b5db SPIGOT-5235: Destroy expired area effect clouds / fireworks that are inactive cbcc8e87 Make region files more reliable to write to 8887c5f4 Remove redundant late-bind option dac29063 Rebuild patches * Preserve old flush on save flag for reliable regionfiles Originally this patch was in paper * Fix some issues with the death event - Entities potentially entering a glitched state to the client where they appear to be falling over - Donkeys losing their chest if the event was cancelled (only an issue since the upstream merge) - Some wither death logic running for an entity killed by a wither
2019-08-05 18:35:40 +02:00
private final int[] d = new int[1024]; private final int[] timestamps = d; // Paper - OBFHELPER
private final List<Boolean> e; // PAIL freeSectors
+ // 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];
+ }
+ // Paper end
+
public RegionFile(File file) throws IOException {
this.b = new RandomAccessFile(file, "rw");
this.file = file; // Spigot // Paper - We need this earlier
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#2415) * fixup patch and rebuild * Updated Upstream (Bukkit/CraftBukkit/Spigot) Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: bde198c9 SPIGOT-5246: PlayerQuitEvent.get/setQuitMessage() is incorrectly marked as NotNull 24ad5a79 SPIGOT-5240: Vector.angle not valid for angles very close to each other a143db9a SPIGOT-5231: ShotAtAngle API for Fireworks 10db5c3d SPIGOT-5226: Update Javadoc of PlayerDeathEvent CraftBukkit Changes: 1ec1b05e SPIGOT-5245: Unneeded cast to WorldNBTStorage in CraftWorld#getWorldFolder e5e8eec2 SPIGOT-5241: setAttributeModifiers does not work on untouched stack 803eaa31 SPIGOT-5231: ShotAtAngle API for Fireworks 7881d2ae SPIGOT-5237: Horses, pigs do not drop their inventory 06efc9ec Don't accept connections until all plugins have enabled da62a66a SPIGOT-5225: World handle isn't closed if world is unloaded without saving 104b3831 SPIGOT-5222: Cannot get Long values from Entity memory f0b3fe43 SPIGOT-5220: Server CPU usage reaches 100% when stdin is null Spigot Changes: e5b1b5db SPIGOT-5235: Destroy expired area effect clouds / fireworks that are inactive cbcc8e87 Make region files more reliable to write to 8887c5f4 Remove redundant late-bind option dac29063 Rebuild patches * Preserve old flush on save flag for reliable regionfiles Originally this patch was in paper * Fix some issues with the death event - Entities potentially entering a glitched state to the client where they appear to be falling over - Donkeys losing their chest if the event was cancelled (only an issue since the upstream merge) - Some wither death logic running for an entity killed by a wither
2019-08-05 18:35:40 +02:00
@@ -291,6 +315,7 @@ public class RegionFile implements AutoCloseable {
return this.c[this.f(chunkcoordintpair)];
}
+ public final boolean chunkExists(ChunkCoordIntPair chunkPos) { return this.d(chunkPos); } // Paper - OBFHELPER
public boolean d(ChunkCoordIntPair chunkcoordintpair) {
return this.getOffset(chunkcoordintpair) != 0;
}
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#2415) * fixup patch and rebuild * Updated Upstream (Bukkit/CraftBukkit/Spigot) Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: bde198c9 SPIGOT-5246: PlayerQuitEvent.get/setQuitMessage() is incorrectly marked as NotNull 24ad5a79 SPIGOT-5240: Vector.angle not valid for angles very close to each other a143db9a SPIGOT-5231: ShotAtAngle API for Fireworks 10db5c3d SPIGOT-5226: Update Javadoc of PlayerDeathEvent CraftBukkit Changes: 1ec1b05e SPIGOT-5245: Unneeded cast to WorldNBTStorage in CraftWorld#getWorldFolder e5e8eec2 SPIGOT-5241: setAttributeModifiers does not work on untouched stack 803eaa31 SPIGOT-5231: ShotAtAngle API for Fireworks 7881d2ae SPIGOT-5237: Horses, pigs do not drop their inventory 06efc9ec Don't accept connections until all plugins have enabled da62a66a SPIGOT-5225: World handle isn't closed if world is unloaded without saving 104b3831 SPIGOT-5222: Cannot get Long values from Entity memory f0b3fe43 SPIGOT-5220: Server CPU usage reaches 100% when stdin is null Spigot Changes: e5b1b5db SPIGOT-5235: Destroy expired area effect clouds / fireworks that are inactive cbcc8e87 Make region files more reliable to write to 8887c5f4 Remove redundant late-bind option dac29063 Rebuild patches * Preserve old flush on save flag for reliable regionfiles Originally this patch was in paper * Fix some issues with the death event - Entities potentially entering a glitched state to the client where they appear to be falling over - Donkeys losing their chest if the event was cancelled (only an issue since the upstream merge) - Some wither death logic running for an entity killed by a wither
2019-08-05 18:35:40 +02:00
@@ -304,6 +329,7 @@ public class RegionFile implements AutoCloseable {
this.c[j] = i; // Spigot - move this to after the write
}
+ private final int getChunkLocation(ChunkCoordIntPair chunkcoordintpair) { return this.f(chunkcoordintpair); } // Paper - OBFHELPER
private int f(ChunkCoordIntPair chunkcoordintpair) {
return chunkcoordintpair.j() + chunkcoordintpair.k() * 32;
}
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#2415) * fixup patch and rebuild * Updated Upstream (Bukkit/CraftBukkit/Spigot) Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: bde198c9 SPIGOT-5246: PlayerQuitEvent.get/setQuitMessage() is incorrectly marked as NotNull 24ad5a79 SPIGOT-5240: Vector.angle not valid for angles very close to each other a143db9a SPIGOT-5231: ShotAtAngle API for Fireworks 10db5c3d SPIGOT-5226: Update Javadoc of PlayerDeathEvent CraftBukkit Changes: 1ec1b05e SPIGOT-5245: Unneeded cast to WorldNBTStorage in CraftWorld#getWorldFolder e5e8eec2 SPIGOT-5241: setAttributeModifiers does not work on untouched stack 803eaa31 SPIGOT-5231: ShotAtAngle API for Fireworks 7881d2ae SPIGOT-5237: Horses, pigs do not drop their inventory 06efc9ec Don't accept connections until all plugins have enabled da62a66a SPIGOT-5225: World handle isn't closed if world is unloaded without saving 104b3831 SPIGOT-5222: Cannot get Long values from Entity memory f0b3fe43 SPIGOT-5220: Server CPU usage reaches 100% when stdin is null Spigot Changes: e5b1b5db SPIGOT-5235: Destroy expired area effect clouds / fireworks that are inactive cbcc8e87 Make region files more reliable to write to 8887c5f4 Remove redundant late-bind option dac29063 Rebuild patches * Preserve old flush on save flag for reliable regionfiles Originally this patch was in paper * Fix some issues with the death event - Entities potentially entering a glitched state to the client where they appear to be falling over - Donkeys losing their chest if the event was cancelled (only an issue since the upstream merge) - Some wither death logic running for an entity killed by a wither
2019-08-05 18:35:40 +02:00
@@ -318,6 +344,7 @@ 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 6f34d8aea..d2b328945 100644
--- a/src/main/java/net/minecraft/server/RegionFileCache.java
+++ b/src/main/java/net/minecraft/server/RegionFileCache.java
@@ -47,6 +47,12 @@ public abstract class RegionFileCache implements AutoCloseable {
// Paper start
}
+ // Paper start
+ public RegionFile getRegionFileIfLoaded(ChunkCoordIntPair chunkcoordintpair) {
+ return this.cache.getAndMoveToFirst(ChunkCoordIntPair.pair(chunkcoordintpair.getRegionX(), chunkcoordintpair.getRegionZ()));
+ }
+ // Paper end
+
public RegionFile getRegionFile(ChunkCoordIntPair chunkcoordintpair, boolean existingOnly) throws IOException { return this.a(chunkcoordintpair, existingOnly); } // Paper - OBFHELPER
private RegionFile a(ChunkCoordIntPair chunkcoordintpair, boolean existingOnly) throws IOException { // CraftBukkit
long i = ChunkCoordIntPair.pair(chunkcoordintpair.getRegionX(), chunkcoordintpair.getRegionZ());
@@ -110,6 +116,7 @@ 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 +134,7 @@ 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 c49b74c68..088f0800f 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
2019-08-19 01:40:04 +02:00
@@ -18,6 +18,7 @@ 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;
2019-08-19 01:40:04 +02:00
import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
@@ -407,8 +408,22 @@ 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) {
+ chunk = world.getChunkProvider().playerChunkMap.getUnloadingChunk(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.getChunkStatusOnDisk(new ChunkCoordIntPair(x, z)) == ChunkStatus.FULL;
+ // Paper end
} catch (IOException ex) {
throw new RuntimeException(ex);
}
@@ -520,20 +535,49 @@ 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); // Paper
+ // Paper start - Optimize this method
+ ChunkCoordIntPair chunkPos = new ChunkCoordIntPair(x, z);
- // 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 (!generate) {
- if (chunk instanceof net.minecraft.server.Chunk) {
- world.getChunkProvider().addTicket(TicketType.PLUGIN, new ChunkCoordIntPair(x, z), 1, Unit.INSTANCE);
- return true;
+ IChunkAccess immediate = world.getChunkProvider().getChunkAtImmediately(x, z);
+ if (immediate == null) {
+ immediate = world.getChunkProvider().playerChunkMap.getUnloadingChunk(x, z);
+ }
+ if (immediate != null) {
+ if (!(immediate instanceof ProtoChunkExtension) && !(immediate instanceof net.minecraft.server.Chunk)) {
+ return false; // not full status
+ }
+ world.getChunkProvider().addTicket(TicketType.PLUGIN, chunkPos, 1, Unit.INSTANCE);
+ world.getChunkAt(x, z); // make sure we're at ticket level 32 or lower
+ return true;
+ }
+
+ net.minecraft.server.RegionFile file;
+ try {
+ file = world.getChunkProvider().playerChunkMap.getRegionFile(chunkPos, false);
+ } catch (IOException ex) {
+ throw new RuntimeException(ex);
+ }
+
+ ChunkStatus status = file.getStatusIfCached(x, z);
+ if (!file.chunkExists(chunkPos) || (status != null && status != ChunkStatus.FULL)) {
+ return false;
+ }
+
+ IChunkAccess chunk = world.getChunkProvider().getChunkAt(x, z, ChunkStatus.EMPTY, true);
+ if (!(chunk instanceof ProtoChunkExtension) && !(chunk instanceof net.minecraft.server.Chunk)) {
+ return false;
+ }
+
+ // fall through to load
+ // we do this so we do not re-read the chunk data on disk
}
- return false;
+ world.getChunkProvider().addTicket(TicketType.PLUGIN, chunkPos, 1, Unit.INSTANCE);
+ world.getChunkProvider().getChunkAt(x, z, ChunkStatus.FULL, true);
+ return true;
+ // Paper end
}
@Override
--
2.23.0