mirror of
https://github.com/PaperMC/Paper.git
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c50fc3a026
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: 8d818032 PR-723: Add Furnace#getRecipesUsed d7b5a313 PR-726: Add Particle dataTypes to javadocs 72fe8b71 PR-724: Add PDC to World CraftBukkit Changes: c0326c28 PR-1009: Add Furnace#getRecipesUsed cc5ddd79 PR-1010: Add PDC to World 6a54e5d3 PR-1012: Always save as skull owner and not as internal data Spigot Changes: 699290cd Rebuild patches
293 lines
14 KiB
Diff
293 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 244f6a2934e807fa4f67c617dcd08a9ae2065bbf..e47dc348a98de67146d45d5f57cc72dbc2c0f975 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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@@ -1178,10 +1179,59 @@ 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 89de1589833dcce8028fd402aea8a3e57dc29e86..3e631d55d30831a4063e23f9dbc7a315d11a7b68 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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@@ -604,6 +604,17 @@ 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 a1bfcdd713c47d8613eb4af7625a64d51161690b..4bc33c31d497aa7d69226ab870fd78902bedfd5b 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 a8f759c6a122411a78ea93c075c2b5eb3f9b06d2..62fb9636364e2f45465a4bd5fc62d47d81e1fd2f 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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@@ -20,6 +20,7 @@ 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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@@ -288,8 +289,22 @@ 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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@@ -401,20 +416,48 @@ 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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