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73bd35d076
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: 218294b1 PR-743: Support setting individual Wither head targets CraftBukkit Changes: d48f2d1a PR-1047: Support setting individual Wither head targets 518f1bee SPIGOT-6948: Motion from Explosion after Respawn f3c7a6ac SPIGOT-7019: Add yaw in World#getSpawnLocation
284 lines
14 KiB
Diff
284 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 04b287c91acef5b9f0b73edb71fbefbb1f08eee6..ebb2b7323b4e11749b7b905cc76863a841a74784 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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@@ -90,6 +90,7 @@ 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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@@ -1218,10 +1219,59 @@ 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 a7f173c385f7a96010652b92fe14bffa5f1ffc68..954e141e5617d6d52e2f3008c25fe9e2fe2f0f9a 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 37a60420b993525852492fd6665fb75afee9796f..9a4fe42da43037a65738b978c0c6c9969de59e76 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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@@ -606,6 +606,17 @@ 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 330fb8e6565a5c0490af0c5ca0e7355d81a82e58..861a25a15f1aab20e3245b6d5cdad5d23bdfd6d0 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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@@ -51,6 +51,30 @@ 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 net.minecraft.world.level.chunk.ChunkStatus[] statuses = new net.minecraft.world.level.chunk.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, net.minecraft.world.level.chunk.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 net.minecraft.world.level.chunk.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 +422,7 @@ 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 +433,7 @@ 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 f782147a7523b952b272ba67c7b85164236379ef..0edb08a391f806e56ed1bd4812eb9c9d2b966bd7 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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@@ -293,8 +294,22 @@ 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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@@ -406,20 +421,48 @@ 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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