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Paper/nms-patches/ChunkRegionLoader.patch

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--- a/net/minecraft/server/ChunkRegionLoader.java
+++ b/net/minecraft/server/ChunkRegionLoader.java
@@ -29,7 +29,8 @@
private final File c;
private final DataFixer d;
private PersistentStructureLegacy e;
- private boolean f;
+ // private boolean f; // CraftBukkit
+ public final LongSet blacklist = new LongOpenHashSet();
public ChunkRegionLoader(File file, DataFixer datafixer) {
this.c = file;
@@ -38,25 +39,69 @@
@Nullable
private NBTTagCompound a(GeneratorAccess generatoraccess, int i, int j) throws IOException {
- return this.a(generatoraccess.o().getDimensionManager(), generatoraccess.h(), i, j);
+ return this.a(generatoraccess.o().getDimensionManager(), generatoraccess.h(), i, j, generatoraccess); // CraftBukkit
+ }
+
+ // CraftBukkit start
+ private boolean check(ChunkProviderServer cps, int x, int z) throws IOException {
+ if (cps != null) {
+ com.google.common.base.Preconditions.checkState(org.bukkit.Bukkit.isPrimaryThread(), "primary thread");
+ if (cps.isLoaded(x, z)) {
+ return true;
+ }
+ }
+
+ if (this.chunkExists(x, z)) {
+ NBTTagCompound nbt = RegionFileCache.read(this.c, x, z);
+ if (nbt != null) {
+ NBTTagCompound level = nbt.getCompound("Level");
+ if (level.getBoolean("TerrainPopulated")) {
+ return true;
+ }
+
+ ChunkStatus status = ChunkStatus.a(level.getString("Status"));
+ if (status != null && status.a(ChunkStatus.DECORATED)) {
+ return true;
+ }
+ }
+ }
+
+ return false;
+ }
+
+ public boolean chunkExists(int x, int z) {
+ return RegionFileCache.chunkExists(this.c, x, z);
}
@Nullable
- private NBTTagCompound a(DimensionManager dimensionmanager, @Nullable PersistentCollection persistentcollection, int i, int j) throws IOException {
+ private NBTTagCompound a(DimensionManager dimensionmanager, @Nullable PersistentCollection persistentcollection, int i, int j, @Nullable GeneratorAccess generatoraccess) throws IOException {
+ // CraftBukkit start
+ if (blacklist.contains(ChunkCoordIntPair.a(i, j))) {
+ return null;
+ }
+ // CraftBukkit end
NBTTagCompound nbttagcompound = (NBTTagCompound) this.b.get(new ChunkCoordIntPair(i, j));
if (nbttagcompound != null) {
return nbttagcompound;
} else {
- DataInputStream datainputstream = RegionFileCache.read(this.c, i, j);
+ NBTTagCompound nbttagcompound1 = RegionFileCache.read(this.c, i, j);
- if (datainputstream == null) {
+ if (nbttagcompound1 == null) {
return null;
} else {
- NBTTagCompound nbttagcompound1 = NBTCompressedStreamTools.a(datainputstream);
-
- datainputstream.close();
int k = nbttagcompound1.hasKeyOfType("DataVersion", 99) ? nbttagcompound1.getInt("DataVersion") : -1;
+ // CraftBukkit start
+ if (k < 1466) {
+ NBTTagCompound level = nbttagcompound1.getCompound("Level");
+ if (level.getBoolean("TerrainPopulated") && !level.getBoolean("LightPopulated")) {
+ ChunkProviderServer cps = (generatoraccess == null) ? null : ((WorldServer) generatoraccess).getChunkProvider();
+ if (check(cps, i - 1, j) && check(cps, i - 1, j - 1) && check(cps, i, j - 1)) {
+ level.setBoolean("LightPopulated", true);
+ }
+ }
+ }
+ // CraftBukkit end
if (k < 1493) {
nbttagcompound1 = GameProfileSerializer.a(this.d, DataFixTypes.CHUNK, nbttagcompound1, k, 1493);
@@ -84,13 +129,29 @@
}
+ // CraftBukkit start - Add async variant, provide compatibility
@Nullable
public Chunk a(GeneratorAccess generatoraccess, int i, int j, Consumer<Chunk> consumer) throws IOException {
+ Object[] data = loadChunk(generatoraccess, i, j, consumer);
+ if (data != null) {
+ Chunk chunk = (Chunk) data[0];
+ NBTTagCompound nbttagcompound = (NBTTagCompound) data[1];
+ consumer.accept(chunk);
+ this.loadEntities(nbttagcompound.getCompound("Level"), chunk);
+ return chunk;
+ }
+
+ return null;
+ }
+
+ public Object[] loadChunk(GeneratorAccess generatoraccess, int i, int j, Consumer<Chunk> consumer) throws IOException {
+ // CraftBukkit end
NBTTagCompound nbttagcompound = this.a(generatoraccess, i, j);
if (nbttagcompound == null) {
return null;
} else {
+ /*
Chunk chunk = this.a(generatoraccess, i, j, nbttagcompound);
if (chunk != null) {
@@ -99,6 +160,9 @@
}
return chunk;
+ */
+
+ return this.a(generatoraccess, i, j, nbttagcompound);
}
}
@@ -130,7 +194,7 @@
}
@Nullable
- protected Chunk a(GeneratorAccess generatoraccess, int i, int j, NBTTagCompound nbttagcompound) {
+ protected Object[] a(GeneratorAccess generatoraccess, int i, int j, NBTTagCompound nbttagcompound) { // CraftBukkit - return Chunk -> Object[]
if (nbttagcompound.hasKeyOfType("Level", 10) && nbttagcompound.getCompound("Level").hasKeyOfType("Status", 8)) {
ChunkStatus.Type chunkstatus_type = this.a(nbttagcompound);
@@ -149,10 +213,28 @@
ChunkRegionLoader.a.error("Chunk file at {},{} is in the wrong location; relocating. (Expected {}, {}, got {}, {})", i, j, i, j, chunk.locX, chunk.locZ);
nbttagcompound1.setInt("xPos", i);
nbttagcompound1.setInt("zPos", j);
+
+ // CraftBukkit start - Have to move tile entities since we don't load them at this stage
+ NBTTagList tileEntities = nbttagcompound.getCompound("Level").getList("TileEntities", 10);
+ if (tileEntities != null) {
+ for (int te = 0; te < tileEntities.size(); te++) {
+ NBTTagCompound tileEntity = (NBTTagCompound) tileEntities.get(te);
+ int x = tileEntity.getInt("x") - chunk.locX * 16;
+ int z = tileEntity.getInt("z") - chunk.locZ * 16;
+ tileEntity.setInt("x", i * 16 + x);
+ tileEntity.setInt("z", j * 16 + z);
+ }
+ }
+ // CraftBukkit end
chunk = this.a(generatoraccess, nbttagcompound1);
}
- return chunk;
+ // CraftBukkit start
+ Object[] data = new Object[2];
+ data[0] = chunk;
+ data[1] = nbttagcompound;
+ return data;
+ // CraftBukkit end
}
}
} else {
@@ -167,7 +249,7 @@
ChunkStatus.Type chunkstatus_type = this.a(nbttagcompound);
if (chunkstatus_type == ChunkStatus.Type.LEVELCHUNK) {
- return new ProtoChunkExtension(this.a(generatoraccess, i, j, nbttagcompound));
+ return new ProtoChunkExtension((IChunkAccess) this.a(generatoraccess, i, j, nbttagcompound)[0]); // CraftBukkit - fix up access
} else {
NBTTagCompound nbttagcompound1 = nbttagcompound.getCompound("Level");
@@ -215,10 +297,15 @@
}
public boolean a() {
+ // CraftBukkit start
+ return this.processSaveQueueEntry(false);
+ }
+
+ private boolean processSaveQueueEntry(boolean logCompletion) {
Iterator<Entry<ChunkCoordIntPair, NBTTagCompound>> iterator = this.b.entrySet().iterator();
if (!iterator.hasNext()) {
- if (this.f) {
+ if (logCompletion) { // CraftBukkit
ChunkRegionLoader.a.info("ThreadedAnvilChunkStorage ({}): All chunks are saved", this.c.getName());
}
@@ -234,10 +321,14 @@
return true;
} else {
try {
- DataOutputStream dataoutputstream = RegionFileCache.write(this.c, chunkcoordintpair.x, chunkcoordintpair.z);
+ // CraftBukkit start
+ RegionFileCache.write(this.c, chunkcoordintpair.x, chunkcoordintpair.z, nbttagcompound);
+ /*
NBTCompressedStreamTools.a(nbttagcompound, (DataOutput) dataoutputstream);
dataoutputstream.close();
+ */
+ // CraftBukkit end
if (this.e != null) {
this.e.a(chunkcoordintpair.a());
}
@@ -264,15 +355,16 @@
public void b() {
try {
- this.f = true;
+ // this.f = true; // CraftBukkit
while (true) {
- if (this.a()) {
+ if (this.processSaveQueueEntry(true)) { // CraftBukkit
continue;
}
+ break; // CraftBukkit - Fix infinite loop when saving chunks
}
} finally {
- this.f = false;
+ // this.f = false; // CraftBukkit
}
}
@@ -301,7 +393,7 @@
if (abiomebase != null) {
for (int k = 0; k < abiomebase.length; ++k) {
- aint[k] = IRegistry.BIOME.a((Object) abiomebase[k]);
+ aint[k] = IRegistry.BIOME.a(abiomebase[k]); // CraftBukkit - decompile error
}
}
@@ -383,7 +475,7 @@
int[] aint = new int[abiomebase.length];
for (int i = 0; i < abiomebase.length; ++i) {
- aint[i] = IRegistry.BIOME.a((Object) abiomebase[i]);
+ aint[i] = IRegistry.BIOME.a(abiomebase[i]); // CraftBukkit - decompile error
}
nbttagcompound.setIntArray("Biomes", aint);
@@ -833,17 +925,29 @@
}
@Nullable
+ // CraftBukkit start
public static Entity a(NBTTagCompound nbttagcompound, World world, double d0, double d1, double d2, boolean flag) {
+ return spawnEntity(nbttagcompound, world, d0, d1, d2, flag, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.DEFAULT);
+ }
+
+ public static Entity spawnEntity(NBTTagCompound nbttagcompound, World world, double d0, double d1, double d2, boolean flag, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason spawnReason) {
+ // CraftBukkit end
return a(nbttagcompound, world, (entity) -> {
entity.setPositionRotation(d0, d1, d2, entity.yaw, entity.pitch);
- return flag && !world.addEntity(entity) ? null : entity;
+ return flag && !world.addEntity(entity, spawnReason) ? null : entity;
});
}
@Nullable
+ // CraftBukkit start
public static Entity a(NBTTagCompound nbttagcompound, World world, boolean flag) {
+ return spawnEntity(nbttagcompound, world, flag, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.DEFAULT);
+ }
+
+ public static Entity spawnEntity(NBTTagCompound nbttagcompound, World world, boolean flag, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason spawnReason) {
+ // CraftBukkit end
return a(nbttagcompound, world, (entity) -> {
- return flag && !world.addEntity(entity) ? null : entity;
+ return flag && !world.addEntity(entity, spawnReason) ? null : entity; // CraftBukkit
});
}
@@ -857,8 +961,14 @@
}
}
+ // CraftBukkit start
public static void a(Entity entity, GeneratorAccess generatoraccess) {
- if (generatoraccess.addEntity(entity) && entity.isVehicle()) {
+ a(entity, generatoraccess, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.DEFAULT);
+ }
+
+ public static void a(Entity entity, GeneratorAccess generatoraccess, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason reason) {
+ if (generatoraccess.addEntity(entity, reason) && entity.isVehicle()) {
+ // CraftBukkit end
Iterator iterator = entity.bP().iterator();
while (iterator.hasNext()) {
@@ -874,7 +984,7 @@
boolean flag = false;
try {
- this.a(dimensionmanager, persistentcollection, chunkcoordintpair.x, chunkcoordintpair.z);
+ this.a(dimensionmanager, persistentcollection, chunkcoordintpair.x, chunkcoordintpair.z, null); // CraftBukkit
while (this.a()) {
flag = true;
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