mirror of
https://github.com/PaperMC/Paper.git
synced 2024-09-12 15:08:27 +02:00
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: ff0672ca SPIGOT-5211: Add Raid API CraftBukkit Changes:96bc85f0
SPIGOT-5298: Remove unexplained 0.1 drop chance offset6ed8a189
SPIGOT-5290: Invulnerable and/or Marker armor stand triggers EntityDamageEvent631eaeb0
SPIGOT-5297: PlayerBedLeaveEvent.getBed() returns player location8d4bc541
SPIGOT-5293: Sponge behaviour differs from Vanillae91fd75e
SPIGOT-5291: Missing event for ravagers trampling cropscbdd7139
SPIGOT-5211: Add Raid APIedd8fdfb
SPIGOT-5287: Fix rare CME generating new chunks3fc97f08
SPIGOT-5265: FireworkExplodeEvent only fired when rockets explode in air Spigot Changes: 065a3734 Rebuild patches a5961826 SPIGOT-5286: tick-inactive-villagers invokes the AI for NoAI villagers
380 lines
17 KiB
Diff
380 lines
17 KiB
Diff
From 431147e9f64a4ffe67f25ed2dfdccf8469e92ff0 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Sat, 15 Jun 2019 08:54:33 -0700
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Subject: [PATCH] Fix World#isChunkGenerated calls
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Optimize World#loadChunk() too
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This patch also adds a chunk status cache on region files (note that
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its only purpose is to cache the status on DISK)
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diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
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index 535c2258b..e0bd03b3b 100644
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--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
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+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
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@@ -28,7 +28,7 @@ public class ChunkProviderServer extends IChunkProvider {
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private final WorldServer world;
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private final Thread serverThread;
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private final LightEngineThreaded lightEngine;
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- private final ChunkProviderServer.a serverThreadQueue;
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+ public final ChunkProviderServer.a serverThreadQueue; // Paper private -> public
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public final PlayerChunkMap playerChunkMap;
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private final WorldPersistentData worldPersistentData;
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private long lastTickTime;
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@@ -109,6 +109,21 @@ public class ChunkProviderServer extends IChunkProvider {
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return playerChunk.getFullChunk();
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}
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+
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+ @Nullable
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+ public IChunkAccess getChunkAtImmediately(int x, int z) {
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+ long k = ChunkCoordIntPair.pair(x, z);
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+
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+ // Note: Bypass cache to make this MT-Safe
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+
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+ PlayerChunk playerChunk = this.getChunk(k);
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+ if (playerChunk == null) {
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+ return null;
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+ }
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+
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+ return playerChunk.getAvailableChunkNow();
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+
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+ }
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// Paper end
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@Nullable
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diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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index e778c2e85..73f93e494 100644
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--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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@@ -410,6 +410,17 @@ public class ChunkRegionLoader {
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return nbttagcompound;
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}
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+ // Paper start
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+ public static ChunkStatus getStatus(NBTTagCompound compound) {
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+ if (compound == null) {
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+ return null;
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+ }
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+
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+ // Note: Copied from below
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+ return ChunkStatus.getStatus(compound.getCompound("Level").getString("Status"));
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+ }
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+ // Paper end
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+
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public static ChunkStatus.Type a(@Nullable NBTTagCompound nbttagcompound) {
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if (nbttagcompound != null) {
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ChunkStatus chunkstatus = ChunkStatus.a(nbttagcompound.getCompound("Level").getString("Status"));
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diff --git a/src/main/java/net/minecraft/server/ChunkStatus.java b/src/main/java/net/minecraft/server/ChunkStatus.java
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index dd1822d6f..e324989b4 100644
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--- a/src/main/java/net/minecraft/server/ChunkStatus.java
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+++ b/src/main/java/net/minecraft/server/ChunkStatus.java
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@@ -176,6 +176,7 @@ public class ChunkStatus {
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return this.s;
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}
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+ public ChunkStatus getPreviousStatus() { return this.e(); } // Paper - OBFHELPER
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public ChunkStatus e() {
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return this.u;
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}
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@@ -196,6 +197,17 @@ public class ChunkStatus {
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return this.y;
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}
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+ // Paper start
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+ public static ChunkStatus getStatus(String name) {
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+ try {
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+ // We need this otherwise we return EMPTY for invalid names
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+ MinecraftKey key = new MinecraftKey(name);
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+ return IRegistry.CHUNK_STATUS.getOptional(key).orElse(null);
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+ } catch (Exception ex) {
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+ return null; // invalid name
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+ }
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+ }
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+ // Paper end
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public static ChunkStatus a(String s) {
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return (ChunkStatus) IRegistry.CHUNK_STATUS.get(MinecraftKey.a(s));
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}
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diff --git a/src/main/java/net/minecraft/server/PlayerChunk.java b/src/main/java/net/minecraft/server/PlayerChunk.java
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index 14a176d61..98590e233 100644
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--- a/src/main/java/net/minecraft/server/PlayerChunk.java
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+++ b/src/main/java/net/minecraft/server/PlayerChunk.java
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@@ -70,6 +70,19 @@ public class PlayerChunk {
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Either<IChunkAccess, PlayerChunk.Failure> either = (Either<IChunkAccess, PlayerChunk.Failure>) statusFuture.getNow(null);
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return either == null ? null : (Chunk) either.left().orElse(null);
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}
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+
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+ public IChunkAccess getAvailableChunkNow() {
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+ // TODO can we just getStatusFuture(EMPTY)?
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+ for (ChunkStatus curr = ChunkStatus.FULL, next = curr.getPreviousStatus(); curr != next; curr = next, next = next.getPreviousStatus()) {
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+ CompletableFuture<Either<IChunkAccess, PlayerChunk.Failure>> future = this.getStatusFutureUnchecked(curr);
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+ Either<IChunkAccess, PlayerChunk.Failure> either = future.getNow(null);
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+ if (either == null || !either.left().isPresent()) {
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+ continue;
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+ }
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+ return either.left().get();
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+ }
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+ return null;
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+ }
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// Paper end
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public CompletableFuture<Either<IChunkAccess, PlayerChunk.Failure>> getStatusFutureUnchecked(ChunkStatus chunkstatus) {
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diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
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index 2be6fa0f0..bdadbd436 100644
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--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
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+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
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@@ -891,11 +891,61 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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}
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@Nullable
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- private NBTTagCompound readChunkData(ChunkCoordIntPair chunkcoordintpair) throws IOException {
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+ public NBTTagCompound readChunkData(ChunkCoordIntPair chunkcoordintpair) throws IOException { // Paper - private -> public
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NBTTagCompound nbttagcompound = this.read(chunkcoordintpair);
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- return nbttagcompound == null ? null : this.getChunkData(this.world.getWorldProvider().getDimensionManager(), this.m, nbttagcompound, chunkcoordintpair, world); // CraftBukkit
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+ // Paper start - Cache chunk status on disk
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+ if (nbttagcompound == null) {
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+ return null;
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+ }
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+
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+ nbttagcompound = this.getChunkData(this.world.getWorldProvider().getDimensionManager(), this.m, nbttagcompound, chunkcoordintpair, world); // CraftBukkit
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+ if (nbttagcompound == null) {
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+ return null;
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+ }
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+
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+ this.updateChunkStatusOnDisk(chunkcoordintpair, nbttagcompound);
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+
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+ return nbttagcompound;
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+ // Paper end
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+ }
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+
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+ // Paper start - chunk status cache "api"
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+ public ChunkStatus getChunkStatusOnDiskIfCached(ChunkCoordIntPair chunkPos) {
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+ RegionFile regionFile = this.getRegionFileIfLoaded(chunkPos);
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+
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+ return regionFile == null ? null : regionFile.getStatusIfCached(chunkPos.x, chunkPos.z);
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+ }
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+
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+ public ChunkStatus getChunkStatusOnDisk(ChunkCoordIntPair chunkPos) throws IOException {
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+ RegionFile regionFile = this.getRegionFile(chunkPos, false);
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+
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+ if (!regionFile.chunkExists(chunkPos)) {
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+ return null;
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+ }
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+
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+ ChunkStatus status = regionFile.getStatusIfCached(chunkPos.x, chunkPos.z);
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+
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+ if (status != null) {
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+ return status;
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+ }
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+
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+ this.readChunkData(chunkPos);
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+
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+ return regionFile.getStatusIfCached(chunkPos.x, chunkPos.z);
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+ }
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+
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+ public void updateChunkStatusOnDisk(ChunkCoordIntPair chunkPos, @Nullable NBTTagCompound compound) throws IOException {
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+ RegionFile regionFile = this.getRegionFile(chunkPos, false);
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+
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+ regionFile.setStatus(chunkPos.x, chunkPos.z, ChunkRegionLoader.getStatus(compound));
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+ }
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+
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+ public IChunkAccess getUnloadingChunk(int chunkX, int chunkZ) {
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+ PlayerChunk chunkHolder = this.pendingUnload.get(ChunkCoordIntPair.pair(chunkX, chunkZ));
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+ return chunkHolder == null ? null : chunkHolder.getAvailableChunkNow();
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}
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+ // Paper end
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boolean isOutsideOfRange(ChunkCoordIntPair chunkcoordintpair) {
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// Spigot start
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diff --git a/src/main/java/net/minecraft/server/RegionFile.java b/src/main/java/net/minecraft/server/RegionFile.java
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index ccc3d6c7a..b487e8060 100644
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--- a/src/main/java/net/minecraft/server/RegionFile.java
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+++ b/src/main/java/net/minecraft/server/RegionFile.java
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@@ -31,6 +31,30 @@ public class RegionFile implements AutoCloseable {
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private final int[] d = new int[1024]; private final int[] timestamps = d; // Paper - OBFHELPER
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private final List<Boolean> e; // PAIL freeSectors
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+ // Paper start - Cache chunk status
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+ private final ChunkStatus[] statuses = new ChunkStatus[32 * 32];
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+
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+ private boolean closed;
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+
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+ // invoked on write/read
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+ public void setStatus(int x, int z, ChunkStatus status) {
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+ if (this.closed) {
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+ // We've used an invalid region file.
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+ throw new IllegalStateException("RegionFile is closed");
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+ }
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+ this.statuses[this.getChunkLocation(new ChunkCoordIntPair(x, z))] = status;
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+ }
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+
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+ public ChunkStatus getStatusIfCached(int x, int z) {
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+ if (this.closed) {
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+ // We've used an invalid region file.
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+ throw new IllegalStateException("RegionFile is closed");
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+ }
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+ final int location = this.getChunkLocation(new ChunkCoordIntPair(x, z));
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+ return this.statuses[location];
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+ }
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+ // Paper end
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+
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public RegionFile(File file) throws IOException {
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this.b = new RandomAccessFile(file, "rw");
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this.file = file; // Spigot // Paper - We need this earlier
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@@ -291,6 +315,7 @@ public class RegionFile implements AutoCloseable {
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return this.c[this.f(chunkcoordintpair)];
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}
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+ public final boolean chunkExists(ChunkCoordIntPair chunkPos) { return this.d(chunkPos); } // Paper - OBFHELPER
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public boolean d(ChunkCoordIntPair chunkcoordintpair) {
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return this.getOffset(chunkcoordintpair) != 0;
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}
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@@ -304,6 +329,7 @@ public class RegionFile implements AutoCloseable {
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this.c[j] = i; // Spigot - move this to after the write
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}
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+ private final int getChunkLocation(ChunkCoordIntPair chunkcoordintpair) { return this.f(chunkcoordintpair); } // Paper - OBFHELPER
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private int f(ChunkCoordIntPair chunkcoordintpair) {
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return chunkcoordintpair.j() + chunkcoordintpair.k() * 32;
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}
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@@ -318,6 +344,7 @@ public class RegionFile implements AutoCloseable {
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}
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public void close() throws IOException {
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+ this.closed = true; // Paper
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this.b.close();
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}
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diff --git a/src/main/java/net/minecraft/server/RegionFileCache.java b/src/main/java/net/minecraft/server/RegionFileCache.java
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index 6f34d8aea..d2b328945 100644
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--- a/src/main/java/net/minecraft/server/RegionFileCache.java
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+++ b/src/main/java/net/minecraft/server/RegionFileCache.java
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@@ -47,6 +47,12 @@ public abstract class RegionFileCache implements AutoCloseable {
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// Paper start
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}
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+ // Paper start
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+ public RegionFile getRegionFileIfLoaded(ChunkCoordIntPair chunkcoordintpair) {
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+ return this.cache.getAndMoveToFirst(ChunkCoordIntPair.pair(chunkcoordintpair.getRegionX(), chunkcoordintpair.getRegionZ()));
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+ }
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+ // Paper end
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+
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public RegionFile getRegionFile(ChunkCoordIntPair chunkcoordintpair, boolean existingOnly) throws IOException { return this.a(chunkcoordintpair, existingOnly); } // Paper - OBFHELPER
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private RegionFile a(ChunkCoordIntPair chunkcoordintpair, boolean existingOnly) throws IOException { // CraftBukkit
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long i = ChunkCoordIntPair.pair(chunkcoordintpair.getRegionX(), chunkcoordintpair.getRegionZ());
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@@ -110,6 +116,7 @@ public abstract class RegionFileCache implements AutoCloseable {
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try {
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NBTCompressedStreamTools.writeNBT(nbttagcompound, out);
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out.close();
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+ regionfile.setStatus(chunk.x, chunk.z, ChunkRegionLoader.getStatus(nbttagcompound)); // Paper - cache status on disk
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regionfile.setOversized(chunkX, chunkZ, false);
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} catch (RegionFile.ChunkTooLargeException ignored) {
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printOversizedLog("ChunkTooLarge! Someone is trying to duplicate.", regionfile.file, chunkX, chunkZ);
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@@ -127,6 +134,7 @@ public abstract class RegionFileCache implements AutoCloseable {
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if (SIZE_THRESHOLD == OVERZEALOUS_THRESHOLD) {
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resetFilterThresholds();
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}
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+ regionfile.setStatus(chunk.x, chunk.z, ChunkRegionLoader.getStatus(nbttagcompound)); // Paper - cache status on disk
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} catch (RegionFile.ChunkTooLargeException e) {
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printOversizedLog("ChunkTooLarge even after reduction. Trying in overzealous mode.", regionfile.file, chunkX, chunkZ);
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// Eek, major fail. We have retry logic, so reduce threshholds and fall back
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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index c49b74c68..088f0800f 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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@@ -18,6 +18,7 @@ import java.util.Objects;
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import java.util.Random;
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import java.util.Set;
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import java.util.UUID;
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+import java.util.concurrent.CompletableFuture;
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import java.util.function.Predicate;
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import java.util.stream.Collectors;
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import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
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@@ -407,8 +408,22 @@ public class CraftWorld implements World {
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@Override
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public boolean isChunkGenerated(int x, int z) {
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+ // Paper start - Fix this method
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+ if (!Bukkit.isPrimaryThread()) {
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+ return CompletableFuture.supplyAsync(() -> {
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+ return CraftWorld.this.isChunkGenerated(x, z);
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+ }, world.getChunkProvider().serverThreadQueue).join();
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+ }
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+ IChunkAccess chunk = world.getChunkProvider().getChunkAtImmediately(x, z);
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+ if (chunk == null) {
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+ chunk = world.getChunkProvider().playerChunkMap.getUnloadingChunk(x, z);
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+ }
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+ if (chunk != null) {
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+ return chunk instanceof ProtoChunkExtension || chunk instanceof net.minecraft.server.Chunk;
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+ }
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try {
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- return world.getChunkProvider().getChunkAtIfCachedImmediately(x, z) != null || world.getChunkProvider().playerChunkMap.chunkExists(new ChunkCoordIntPair(x, z)); // Paper
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+ return world.getChunkProvider().playerChunkMap.getChunkStatusOnDisk(new ChunkCoordIntPair(x, z)) == ChunkStatus.FULL;
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+ // Paper end
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} catch (IOException ex) {
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throw new RuntimeException(ex);
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}
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@@ -520,20 +535,49 @@ public class CraftWorld implements World {
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@Override
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public boolean loadChunk(int x, int z, boolean generate) {
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org.spigotmc.AsyncCatcher.catchOp("chunk load"); // Spigot
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- IChunkAccess chunk = world.getChunkProvider().getChunkAt(x, z, generate || isChunkGenerated(x, z) ? ChunkStatus.FULL : ChunkStatus.EMPTY, true); // Paper
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+ // Paper start - Optimize this method
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+ ChunkCoordIntPair chunkPos = new ChunkCoordIntPair(x, z);
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- // If generate = false, but the chunk already exists, we will get this back.
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- if (chunk instanceof ProtoChunkExtension) {
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- // We then cycle through again to get the full chunk immediately, rather than after the ticket addition
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- chunk = world.getChunkProvider().getChunkAt(x, z, ChunkStatus.FULL, true);
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- }
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+ if (!generate) {
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- if (chunk instanceof net.minecraft.server.Chunk) {
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- world.getChunkProvider().addTicket(TicketType.PLUGIN, new ChunkCoordIntPair(x, z), 1, Unit.INSTANCE);
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- return true;
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+ IChunkAccess immediate = world.getChunkProvider().getChunkAtImmediately(x, z);
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+ if (immediate == null) {
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+ immediate = world.getChunkProvider().playerChunkMap.getUnloadingChunk(x, z);
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+ }
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+ if (immediate != null) {
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+ if (!(immediate instanceof ProtoChunkExtension) && !(immediate instanceof net.minecraft.server.Chunk)) {
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+ return false; // not full status
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+ }
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+ world.getChunkProvider().addTicket(TicketType.PLUGIN, chunkPos, 1, Unit.INSTANCE);
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+ world.getChunkAt(x, z); // make sure we're at ticket level 32 or lower
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+ return true;
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+ }
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+
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+ net.minecraft.server.RegionFile file;
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+ try {
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+ file = world.getChunkProvider().playerChunkMap.getRegionFile(chunkPos, false);
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+ } catch (IOException ex) {
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+ throw new RuntimeException(ex);
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+ }
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+
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+ ChunkStatus status = file.getStatusIfCached(x, z);
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+ if (!file.chunkExists(chunkPos) || (status != null && status != ChunkStatus.FULL)) {
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+ return false;
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+ }
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+
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+ IChunkAccess chunk = world.getChunkProvider().getChunkAt(x, z, ChunkStatus.EMPTY, true);
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+ if (!(chunk instanceof ProtoChunkExtension) && !(chunk instanceof net.minecraft.server.Chunk)) {
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+ return false;
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+ }
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+
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+ // fall through to load
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+ // we do this so we do not re-read the chunk data on disk
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}
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- return false;
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+ world.getChunkProvider().addTicket(TicketType.PLUGIN, chunkPos, 1, Unit.INSTANCE);
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+ world.getChunkProvider().getChunkAt(x, z, ChunkStatus.FULL, true);
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+ return true;
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+ // Paper end
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}
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@Override
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--
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2.23.0
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