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afbaa18bf6
Upstream has released updates that appear 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: c9b35cdb PR-684: Make PotionEffectType implement Keyed CraftBukkit Changes: c86a3f7a PR-959: Fix World#refreshChunk af8a8b70 PR-962: Make PotionEffectType implement Keyed Spigot Changes: 7514aa37 SPIGOT-6806: Add setting to disable new chunks generation under existing chunks
292 lines
14 KiB
Diff
292 lines
14 KiB
Diff
From 0000000000000000000000000000000000000000 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/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
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index 415425364f739a8a1c7ec1f33df5bf2baba6558d..a89af36c461432045fb4d00c0517db5c197245ce 100644
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--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
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+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
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@@ -87,6 +87,7 @@ import net.minecraft.world.level.chunk.ProtoChunk;
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import net.minecraft.world.level.chunk.UpgradeData;
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import net.minecraft.world.level.chunk.storage.ChunkSerializer;
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import net.minecraft.world.level.chunk.storage.ChunkStorage;
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+import net.minecraft.world.level.chunk.storage.RegionFile;
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import net.minecraft.world.level.entity.ChunkStatusUpdateListener;
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import net.minecraft.world.level.levelgen.blending.BlendingData;
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import net.minecraft.world.level.levelgen.structure.StructureStart;
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@@ -1215,10 +1216,59 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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@Nullable
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public CompoundTag readChunk(ChunkPos pos) throws IOException {
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CompoundTag nbttagcompound = this.read(pos);
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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.upgradeChunkTag(this.level.getTypeKey(), this.overworldDataStorage, nbttagcompound, this.generator.getTypeNameForDataFixer(), pos, level); // 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(pos, 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(ChunkPos chunkPos) {
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+ RegionFile regionFile = regionFileCache.getRegionFileIfLoaded(chunkPos);
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- return nbttagcompound == null ? null : this.upgradeChunkTag(this.level.getTypeKey(), this.overworldDataStorage, nbttagcompound, this.generator.getTypeNameForDataFixer(), pos, level); // CraftBukkit
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+ return regionFile == null ? null : regionFile.getStatusIfCached(chunkPos.x, chunkPos.z);
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}
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+ public ChunkStatus getChunkStatusOnDisk(ChunkPos chunkPos) throws IOException {
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+ RegionFile regionFile = regionFileCache.getRegionFile(chunkPos, true);
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+
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+ if (regionFile == null || !regionFileCache.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.readChunk(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(ChunkPos chunkPos, @Nullable CompoundTag compound) throws IOException {
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+ RegionFile regionFile = regionFileCache.getRegionFile(chunkPos, false);
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+
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+ regionFile.setStatus(chunkPos.x, chunkPos.z, ChunkSerializer.getStatus(compound));
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+ }
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+
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+ public ChunkAccess getUnloadingChunk(int chunkX, int chunkZ) {
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+ ChunkHolder chunkHolder = this.pendingUnloads.get(ChunkPos.asLong(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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+
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boolean anyPlayerCloseEnoughForSpawning(ChunkPos pos) {
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// Spigot start
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return this.anyPlayerCloseEnoughForSpawning(pos, false);
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diff --git a/src/main/java/net/minecraft/world/level/chunk/ChunkStatus.java b/src/main/java/net/minecraft/world/level/chunk/ChunkStatus.java
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index 328f482a0bae8d2f8013ae9a90f0500ef889ffb5..6c72854aa975800bd6160d104936a5ba978f4d67 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/ChunkStatus.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/ChunkStatus.java
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@@ -290,6 +290,17 @@ public class ChunkStatus {
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return this.chunkType;
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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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+ ResourceLocation key = new ResourceLocation(name);
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+ return Registry.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 byName(String id) {
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return (ChunkStatus) Registry.CHUNK_STATUS.get(ResourceLocation.tryParse(id));
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}
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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
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index 9168bc15f8fbc8719e6c83428b8241053505441e..b44d621fc8a5194622775b7903de083cca999022 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
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@@ -597,6 +597,17 @@ public class ChunkSerializer {
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}));
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}
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+ // Paper start
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+ public static @Nullable ChunkStatus getStatus(@Nullable CompoundTag 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.getString("Status"));
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+ }
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+ // Paper end
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+
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public static ChunkStatus.ChunkType getChunkTypeFromTag(@Nullable CompoundTag nbt) {
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return nbt != null ? ChunkStatus.byName(nbt.getString("Status")).getChunkType() : ChunkStatus.ChunkType.PROTOCHUNK;
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}
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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
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index 44de464b5f2190944c7a7316a76e13f9c3b954ab..293cce2c80fbdc18480977f5f6b24d6b4fa8dcf3 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
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@@ -24,6 +24,7 @@ import net.minecraft.Util;
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import net.minecraft.nbt.CompoundTag;
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import net.minecraft.nbt.NbtIo;
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import net.minecraft.world.level.ChunkPos;
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+import net.minecraft.world.level.chunk.ChunkStatus;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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@@ -51,6 +52,30 @@ public class RegionFile implements AutoCloseable {
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public final java.util.concurrent.locks.ReentrantLock fileLock = new java.util.concurrent.locks.ReentrantLock(true); // Paper
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public final Path regionFile; // Paper
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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[getChunkLocation(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 = getChunkLocation(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(Path file, Path directory, boolean dsync) throws IOException {
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this(file, directory, RegionFileVersion.VERSION_DEFLATE, dsync);
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}
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@@ -398,6 +423,7 @@ public class RegionFile implements AutoCloseable {
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return this.getOffset(pos) != 0;
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}
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+ private static int getChunkLocation(int x, int z) { return (x & 31) + (z & 31) * 32; } // Paper - OBFHELPER - sort of, mirror of logic below
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private static int getOffsetIndex(ChunkPos pos) {
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return pos.getRegionLocalX() + pos.getRegionLocalZ() * 32;
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}
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@@ -408,6 +434,7 @@ public class RegionFile implements AutoCloseable {
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synchronized (this) {
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try {
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// Paper end
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+ this.closed = true; // Paper
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try {
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this.padToFullSector();
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} finally {
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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
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index 2cbc17288b1dc52edb2bdad29976d0f551b1e176..2ee32657a49937418b352a138aca21fbb27857e6 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
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@@ -245,6 +245,7 @@ public class RegionFileStorage implements AutoCloseable {
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try {
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NbtIo.write(nbt, (DataOutput) dataoutputstream);
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+ regionfile.setStatus(pos.x, pos.z, ChunkSerializer.getStatus(nbt)); // Paper - cache status on disk
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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
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} catch (Throwable throwable) {
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if (dataoutputstream != null) {
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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 255616aa45b06487c67aa6011dbe29e18d82bc68..706d5718997181279f7ec715526b4d8f2b6162a2 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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@@ -19,6 +19,7 @@ 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 net.minecraft.core.BlockPos;
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@@ -282,8 +283,22 @@ public class CraftWorld extends CraftRegionAccessor 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.getChunkSource().mainThreadProcessor).join();
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+ }
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+ ChunkAccess chunk = world.getChunkSource().getChunkAtImmediately(x, z);
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+ if (chunk == null) {
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+ chunk = world.getChunkSource().chunkMap.getUnloadingChunk(x, z);
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+ }
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+ if (chunk != null) {
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+ return chunk instanceof ImposterProtoChunk || chunk instanceof net.minecraft.world.level.chunk.LevelChunk;
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+ }
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try {
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- 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)
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+ return world.getChunkSource().chunkMap.getChunkStatusOnDisk(new ChunkPos(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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@@ -395,20 +410,48 @@ public class CraftWorld extends CraftRegionAccessor 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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- ChunkAccess chunk = this.world.getChunkSource().getChunk(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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+ ChunkPos chunkPos = new ChunkPos(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 ImposterProtoChunk) {
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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 = this.world.getChunkSource().getChunk(x, z, ChunkStatus.FULL, true);
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- }
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+ if (!generate) {
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+ ChunkAccess immediate = world.getChunkSource().getChunkAtImmediately(x, z);
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+ if (immediate == null) {
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+ immediate = world.getChunkSource().chunkMap.getUnloadingChunk(x, z);
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+ }
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+ if (immediate != null) {
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+ if (!(immediate instanceof ImposterProtoChunk) && !(immediate instanceof net.minecraft.world.level.chunk.LevelChunk)) {
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+ return false; // not full status
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+ }
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+ world.getChunkSource().addRegionTicket(TicketType.PLUGIN, chunkPos, 1, Unit.INSTANCE);
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+ world.getChunk(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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- if (chunk instanceof net.minecraft.world.level.chunk.LevelChunk) {
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- this.world.getChunkSource().addRegionTicket(TicketType.PLUGIN, new ChunkPos(x, z), 1, Unit.INSTANCE);
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- return true;
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+ net.minecraft.world.level.chunk.storage.RegionFile file;
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+ try {
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+ file = world.getChunkSource().chunkMap.regionFileCache.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.hasChunk(chunkPos) || (status != null && status != ChunkStatus.FULL)) {
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+ return false;
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+ }
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+
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+ ChunkAccess chunk = world.getChunkSource().getChunk(x, z, ChunkStatus.EMPTY, true);
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+ if (!(chunk instanceof ImposterProtoChunk) && !(chunk instanceof net.minecraft.world.level.chunk.LevelChunk)) {
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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.getChunkSource().addRegionTicket(TicketType.PLUGIN, chunkPos, 1, Unit.INSTANCE);
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+ world.getChunkSource().getChunk(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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