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a022dd22fd
Paper/nms-patches/World.patch
md_5 a022dd22fd SPIGOT-2303: Use getChunkIfLoaded
2016-05-22 13:57:44 +10:00

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--- a/net/minecraft/server/World.java
+++ b/net/minecraft/server/World.java
@@ -13,6 +13,21 @@
import java.util.UUID;
import javax.annotation.Nullable;
+// CraftBukkit start
+import com.google.common.collect.Maps;
+import java.util.Map;
+import org.bukkit.Bukkit;
+import org.bukkit.block.BlockState;
+import org.bukkit.craftbukkit.CraftServer;
+import org.bukkit.craftbukkit.CraftWorld;
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.bukkit.craftbukkit.util.CraftMagicNumbers;
+import org.bukkit.event.block.BlockCanBuildEvent;
+import org.bukkit.event.block.BlockPhysicsEvent;
+import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
+import org.bukkit.generator.ChunkGenerator;
+// CraftBukkit end
+
public abstract class World implements IBlockAccess {
private int a = 63;
@@ -56,7 +71,51 @@
private final WorldBorder N;
int[] H;
- protected World(IDataManager idatamanager, WorldData worlddata, WorldProvider worldprovider, MethodProfiler methodprofiler, boolean flag) {
+ // CraftBukkit start Added the following
+ private final CraftWorld world;
+ public boolean pvpMode;
+ public boolean keepSpawnInMemory = true;
+ public ChunkGenerator generator;
+
+ public boolean captureBlockStates = false;
+ public boolean captureTreeGeneration = false;
+ public ArrayList<BlockState> capturedBlockStates= new ArrayList<BlockState>(){
+ @Override
+ public boolean add( BlockState blockState ) {
+ Iterator<BlockState> blockStateIterator = this.iterator();
+ while( blockStateIterator.hasNext() ) {
+ BlockState blockState1 = blockStateIterator.next();
+ if ( blockState1.getLocation().equals( blockState.getLocation() ) ) {
+ return false;
+ }
+ }
+
+ return super.add( blockState );
+ }
+ };
+ public long ticksPerAnimalSpawns;
+ public long ticksPerMonsterSpawns;
+ public boolean populating;
+ private int tickPosition;
+
+ public CraftWorld getWorld() {
+ return this.world;
+ }
+
+ public CraftServer getServer() {
+ return (CraftServer) Bukkit.getServer();
+ }
+
+ public Chunk getChunkIfLoaded(int x, int z) {
+ return ((ChunkProviderServer) this.chunkProvider).getChunkIfLoaded(x, z);
+ }
+
+ protected World(IDataManager idatamanager, WorldData worlddata, WorldProvider worldprovider, MethodProfiler methodprofiler, boolean flag, ChunkGenerator gen, org.bukkit.World.Environment env) {
+ this.generator = gen;
+ this.world = new CraftWorld((WorldServer) this, gen, env);
+ this.ticksPerAnimalSpawns = this.getServer().getTicksPerAnimalSpawns(); // CraftBukkit
+ this.ticksPerMonsterSpawns = this.getServer().getTicksPerMonsterSpawns(); // CraftBukkit
+ // CraftBukkit end
this.u = Lists.newArrayList(new IWorldAccess[] { this.t});
this.L = Calendar.getInstance();
this.scoreboard = new Scoreboard();
@@ -69,6 +128,36 @@
this.worldProvider = worldprovider;
this.isClientSide = flag;
this.N = worldprovider.getWorldBorder();
+ // CraftBukkit start
+ getWorldBorder().world = (WorldServer) this;
+ // From PlayerList.setPlayerFileData
+ getWorldBorder().a(new IWorldBorderListener() {
+ public void a(WorldBorder worldborder, double d0) {
+ getServer().getHandle().sendAll(new PacketPlayOutWorldBorder(worldborder, PacketPlayOutWorldBorder.EnumWorldBorderAction.SET_SIZE), worldborder.world);
+ }
+
+ public void a(WorldBorder worldborder, double d0, double d1, long i) {
+ getServer().getHandle().sendAll(new PacketPlayOutWorldBorder(worldborder, PacketPlayOutWorldBorder.EnumWorldBorderAction.LERP_SIZE), worldborder.world);
+ }
+
+ public void a(WorldBorder worldborder, double d0, double d1) {
+ getServer().getHandle().sendAll(new PacketPlayOutWorldBorder(worldborder, PacketPlayOutWorldBorder.EnumWorldBorderAction.SET_CENTER), worldborder.world);
+ }
+
+ public void a(WorldBorder worldborder, int i) {
+ getServer().getHandle().sendAll(new PacketPlayOutWorldBorder(worldborder, PacketPlayOutWorldBorder.EnumWorldBorderAction.SET_WARNING_TIME), worldborder.world);
+ }
+
+ public void b(WorldBorder worldborder, int i) {
+ getServer().getHandle().sendAll(new PacketPlayOutWorldBorder(worldborder, PacketPlayOutWorldBorder.EnumWorldBorderAction.SET_WARNING_BLOCKS), worldborder.world);
+ }
+
+ public void b(WorldBorder worldborder, double d0) {}
+
+ public void c(WorldBorder worldborder, double d0) {}
+ });
+ this.getServer().addWorld(this.world);
+ // CraftBukkit end
}
public World b() {
@@ -202,6 +291,27 @@
}
public boolean setTypeAndData(BlockPosition blockposition, IBlockData iblockdata, int i) {
+ // CraftBukkit start - tree generation
+ if (this.captureTreeGeneration) {
+ BlockState blockstate = null;
+ Iterator<BlockState> it = capturedBlockStates.iterator();
+ while (it.hasNext()) {
+ BlockState previous = it.next();
+ if (previous.getX() == blockposition.getX() && previous.getY() == blockposition.getY() && previous.getZ() == blockposition.getZ()) {
+ blockstate = previous;
+ it.remove();
+ break;
+ }
+ }
+ if (blockstate == null) {
+ blockstate = org.bukkit.craftbukkit.block.CraftBlockState.getBlockState(this, blockposition.getX(), blockposition.getY(), blockposition.getZ(), i);
+ }
+ blockstate.setTypeId(CraftMagicNumbers.getId(iblockdata.getBlock()));
+ blockstate.setRawData((byte) iblockdata.getBlock().toLegacyData(iblockdata));
+ this.capturedBlockStates.add(blockstate);
+ return true;
+ }
+ // CraftBukkit end
if (this.E(blockposition)) {
return false;
} else if (!this.isClientSide && this.worldData.getType() == WorldType.DEBUG_ALL_BLOCK_STATES) {
@@ -209,9 +319,23 @@
} else {
Chunk chunk = this.getChunkAtWorldCoords(blockposition);
Block block = iblockdata.getBlock();
+
+ // CraftBukkit start - capture blockstates
+ BlockState blockstate = null;
+ if (this.captureBlockStates) {
+ blockstate = org.bukkit.craftbukkit.block.CraftBlockState.getBlockState(this, blockposition.getX(), blockposition.getY(), blockposition.getZ(), i);
+ this.capturedBlockStates.add(blockstate);
+ }
+ // CraftBukkit end
+
IBlockData iblockdata1 = chunk.a(blockposition, iblockdata);
if (iblockdata1 == null) {
+ // CraftBukkit start - remove blockstate if failed
+ if (this.captureBlockStates) {
+ this.capturedBlockStates.remove(blockstate);
+ }
+ // CraftBukkit end
return false;
} else {
if (iblockdata.c() != iblockdata1.c() || iblockdata.d() != iblockdata1.d()) {
@@ -220,6 +344,7 @@
this.methodProfiler.b();
}
+ /*
if ((i & 2) != 0 && (!this.isClientSide || (i & 4) == 0) && chunk.isReady()) {
this.notify(blockposition, iblockdata1, iblockdata, i);
}
@@ -230,12 +355,35 @@
this.updateAdjacentComparators(blockposition, block);
}
}
+ */
+
+ // CraftBukkit start
+ if (!this.captureBlockStates) { // Don't notify clients or update physics while capturing blockstates
+ // Modularize client and physic updates
+ notifyAndUpdatePhysics(blockposition, chunk, iblockdata1, iblockdata, i);
+ }
+ // CraftBukkit end
return true;
}
}
}
+ // CraftBukkit start - Split off from original setTypeAndData(int i, int j, int k, Block block, int l, int i1) method in order to directly send client and physic updates
+ public void notifyAndUpdatePhysics(BlockPosition blockposition, Chunk chunk, IBlockData oldBlock, IBlockData newBlock, int flag) {
+ if ((flag & 2) != 0 && (chunk == null || chunk.isReady())) { // allow chunk to be null here as chunk.isReady() is false when we send our notification during block placement
+ this.notify(blockposition, oldBlock, newBlock, flag);
+ }
+
+ if (!this.isClientSide && (flag & 1) != 0) {
+ this.update(blockposition, oldBlock.getBlock());
+ if (newBlock.n()) {
+ this.updateAdjacentComparators(blockposition, newBlock.getBlock());
+ }
+ }
+ }
+ // CraftBukkit end
+
public boolean setAir(BlockPosition blockposition) {
return this.setTypeAndData(blockposition, Blocks.AIR.getBlockData(), 3);
}
@@ -269,6 +417,11 @@
public void update(BlockPosition blockposition, Block block) {
if (this.worldData.getType() != WorldType.DEBUG_ALL_BLOCK_STATES) {
+ // CraftBukkit start
+ if (populating) {
+ return;
+ }
+ // CraftBukkit end
this.applyPhysics(blockposition, block);
}
@@ -344,6 +497,17 @@
IBlockData iblockdata = this.getType(blockposition);
try {
+ // CraftBukkit start
+ CraftWorld world = ((WorldServer) this).getWorld();
+ if (world != null) {
+ BlockPhysicsEvent event = new BlockPhysicsEvent(world.getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ()), CraftMagicNumbers.getId(block));
+ this.getServer().getPluginManager().callEvent(event);
+
+ if (event.isCancelled()) {
+ return;
+ }
+ }
+ // CraftBukkit end
iblockdata.doPhysics(this, blockposition, block);
} catch (Throwable throwable) {
CrashReport crashreport = CrashReport.a(throwable, "Exception while updating neighbours");
@@ -526,6 +690,17 @@
}
public IBlockData getType(BlockPosition blockposition) {
+ // CraftBukkit start - tree generation
+ if (captureTreeGeneration) {
+ Iterator<BlockState> it = capturedBlockStates.iterator();
+ while (it.hasNext()) {
+ BlockState previous = it.next();
+ if (previous.getX() == blockposition.getX() && previous.getY() == blockposition.getY() && previous.getZ() == blockposition.getZ()) {
+ return CraftMagicNumbers.getBlock(previous.getTypeId()).fromLegacyData(previous.getRawData());
+ }
+ }
+ }
+ // CraftBukkit end
if (this.E(blockposition)) {
return Blocks.AIR.getBlockData();
} else {
@@ -724,6 +899,13 @@
}
public boolean addEntity(Entity entity) {
+ // CraftBukkit start - Used for entities other than creatures
+ return addEntity(entity, SpawnReason.DEFAULT);
+ }
+
+ public boolean addEntity(Entity entity, SpawnReason spawnReason) { // Changed signature, added SpawnReason
+ if (entity == null) return false;
+ // CraftBukkit end
int i = MathHelper.floor(entity.locX / 16.0D);
int j = MathHelper.floor(entity.locZ / 16.0D);
boolean flag = entity.attachedToPlayer;
@@ -732,6 +914,34 @@
flag = true;
}
+ // CraftBukkit start
+ org.bukkit.event.Cancellable event = null;
+ if (entity instanceof EntityLiving && !(entity instanceof EntityPlayer)) {
+ boolean isAnimal = entity instanceof EntityAnimal || entity instanceof EntityWaterAnimal || entity instanceof EntityGolem;
+ boolean isMonster = entity instanceof EntityMonster || entity instanceof EntityGhast || entity instanceof EntitySlime;
+
+ if (spawnReason != SpawnReason.CUSTOM) {
+ if (isAnimal && !allowAnimals || isMonster && !allowMonsters) {
+ entity.dead = true;
+ return false;
+ }
+ }
+
+ event = CraftEventFactory.callCreatureSpawnEvent((EntityLiving) entity, spawnReason);
+ } else if (entity instanceof EntityItem) {
+ event = CraftEventFactory.callItemSpawnEvent((EntityItem) entity);
+ } else if (entity.getBukkitEntity() instanceof org.bukkit.entity.Projectile) {
+ // Not all projectiles extend EntityProjectile, so check for Bukkit interface instead
+ event = CraftEventFactory.callProjectileLaunchEvent(entity);
+ }
+
+ if (event != null && (event.isCancelled() || entity.dead)) {
+ entity.dead = true;
+ return false;
+ }
+ // CraftBukkit end
+
+
if (!flag && !this.isChunkLoaded(i, j, false)) {
return false;
} else {
@@ -754,6 +964,7 @@
((IWorldAccess) this.u.get(i)).a(entity);
}
+ entity.valid = true; // CraftBukkit
}
protected void c(Entity entity) {
@@ -761,6 +972,7 @@
((IWorldAccess) this.u.get(i)).b(entity);
}
+ entity.valid = false; // CraftBukkit
}
public void kill(Entity entity) {
@@ -796,7 +1008,15 @@
this.getChunkAt(i, j).b(entity);
}
- this.entityList.remove(entity);
+ // CraftBukkit start - Decrement loop variable field if we've already ticked this entity
+ int index = this.entityList.indexOf(entity);
+ if (index != -1) {
+ if (index <= this.tickPosition) {
+ this.tickPosition--;
+ }
+ this.entityList.remove(index);
+ }
+ // CraftBukkit end
this.c(entity);
}
@@ -1044,6 +1264,11 @@
for (i = 0; i < this.j.size(); ++i) {
entity = (Entity) this.j.get(i);
+ // CraftBukkit start - Fixed an NPE
+ if (entity == null) {
+ continue;
+ }
+ // CraftBukkit end
try {
++entity.ticksLived;
@@ -1092,8 +1317,10 @@
CrashReportSystemDetails crashreportsystemdetails1;
CrashReport crashreport1;
- for (i = 0; i < this.entityList.size(); ++i) {
- entity = (Entity) this.entityList.get(i);
+ // CraftBukkit start - Use field for loop variable
+ for (this.tickPosition = 0; this.tickPosition < this.entityList.size(); ++this.tickPosition) {
+ entity = (Entity) this.entityList.get(this.tickPosition);
+ // CraftBukkit end
Entity entity1 = entity.bz();
if (entity1 != null) {
@@ -1126,7 +1353,7 @@
this.getChunkAt(j, l).b(entity);
}
- this.entityList.remove(i--);
+ this.entityList.remove(this.tickPosition--); // CraftBukkit - Use field for loop variable
this.c(entity);
}
@@ -1135,6 +1362,13 @@
this.methodProfiler.c("blockEntities");
this.M = true;
+ // CraftBukkit start - From below, clean up tile entities before ticking them
+ if (!this.tileEntityListUnload.isEmpty()) {
+ this.tileEntityListTick.removeAll(this.tileEntityListUnload);
+ this.tileEntityList.removeAll(this.tileEntityListUnload);
+ this.tileEntityListUnload.clear();
+ }
+ // CraftBukkit end
Iterator iterator = this.tileEntityListTick.iterator();
while (iterator.hasNext()) {
@@ -1145,7 +1379,7 @@
if (this.isLoaded(blockposition) && this.N.a(blockposition)) {
try {
- this.methodProfiler.a(tileentity.getClass().getSimpleName());
+ this.methodProfiler.a(""/*tileentity.getClass().getSimpleName()*/); // CraftBukkit: SPIGOT-1900
((ITickable) tileentity).c();
this.methodProfiler.b();
} catch (Throwable throwable2) {
@@ -1167,11 +1401,13 @@
}
this.M = false;
+ /* CraftBukkit start - Moved up
if (!this.tileEntityListUnload.isEmpty()) {
this.tileEntityListTick.removeAll(this.tileEntityListUnload);
this.tileEntityList.removeAll(this.tileEntityListUnload);
this.tileEntityListUnload.clear();
}
+ // CraftBukkit end */
this.methodProfiler.c("pendingBlockEntities");
if (!this.b.isEmpty()) {
@@ -1179,9 +1415,11 @@
TileEntity tileentity1 = (TileEntity) this.b.get(i1);
if (!tileentity1.x()) {
+ /* CraftBukkit start - Order matters, moved down
if (!this.tileEntityList.contains(tileentity1)) {
this.a(tileentity1);
}
+ // CraftBukkit end */
if (this.isLoaded(tileentity1.getPosition())) {
Chunk chunk = this.getChunkAtWorldCoords(tileentity1.getPosition());
@@ -1189,6 +1427,12 @@
chunk.a(tileentity1.getPosition(), tileentity1);
this.notify(tileentity1.getPosition(), iblockdata, iblockdata, 3);
+ // CraftBukkit start
+ // From above, don't screw this up - SPIGOT-1746
+ if (!this.tileEntityList.contains(tileentity1)) {
+ this.a(tileentity1);
+ }
+ // CraftBukkit end
}
}
}
@@ -1236,7 +1480,10 @@
int j = MathHelper.floor(entity.locZ);
byte b0 = 32;
- if (!flag || this.isAreaLoaded(i - b0, 0, j - b0, i + b0, 0, j + b0, true)) {
+ // CraftBukkit start - Use neighbor cache instead of looking up
+ Chunk startingChunk = this.getChunkIfLoaded(i >> 4, j >> 4);
+ if (!flag || (startingChunk != null && startingChunk.areNeighborsLoaded(2)) /* this.isAreaLoaded(i - b0, 0, j - b0, i + b0, 0, j + b0) */) {
+ // CraftBukkit end
entity.M = entity.locX;
entity.N = entity.locY;
entity.O = entity.locZ;
@@ -1575,11 +1822,18 @@
}
}
+ public Map<BlockPosition, TileEntity> capturedTileEntities = Maps.newHashMap();
@Nullable
public TileEntity getTileEntity(BlockPosition blockposition) {
if (this.E(blockposition)) {
return null;
} else {
+ // CraftBukkit start
+ if (capturedTileEntities.containsKey(blockposition)) {
+ return capturedTileEntities.get(blockposition);
+ }
+ // CraftBukkit end
+
TileEntity tileentity = null;
if (this.M) {
@@ -1614,6 +1868,14 @@
public void setTileEntity(BlockPosition blockposition, @Nullable TileEntity tileentity) {
if (!this.E(blockposition)) {
if (tileentity != null && !tileentity.x()) {
+ // CraftBukkit start
+ if (captureBlockStates) {
+ tileentity.a(this);
+ tileentity.a(blockposition);
+ capturedTileEntities.put(blockposition, tileentity);
+ return;
+ }
+ // CraftBukkit end
if (this.M) {
tileentity.a(blockposition);
Iterator iterator = this.b.iterator();
@@ -1769,6 +2031,14 @@
}
this.o = MathHelper.a(this.o, 0.0F, 1.0F);
+
+ // CraftBukkit start
+ for (int idx = 0; idx < this.players.size(); ++idx) {
+ if (((EntityPlayer) this.players.get(idx)).world == this) {
+ ((EntityPlayer) this.players.get(idx)).tickWeather();
+ }
+ }
+ // CraftBukkit end
}
}
}
@@ -1900,7 +2170,10 @@
}
public boolean c(EnumSkyBlock enumskyblock, BlockPosition blockposition) {
- if (!this.areChunksLoaded(blockposition, 17, false)) {
+ // CraftBukkit start - Use neighbor cache instead of looking up
+ Chunk chunk = this.getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4);
+ if (chunk == null || !chunk.areNeighborsLoaded(1) /*!this.areChunksLoaded(blockposition, 17, false)*/) {
+ // CraftBukkit end
return false;
} else {
int i = 0;
@@ -2067,7 +2340,7 @@
while (iterator.hasNext()) {
Entity entity = (Entity) iterator.next();
- if (oclass.isAssignableFrom(entity.getClass()) && predicate.apply(entity)) {
+ if (oclass.isAssignableFrom(entity.getClass()) && predicate.apply((T) entity)) {
arraylist.add(entity);
}
}
@@ -2082,7 +2355,7 @@
while (iterator.hasNext()) {
Entity entity = (Entity) iterator.next();
- if (oclass.isAssignableFrom(entity.getClass()) && predicate.apply(entity)) {
+ if (oclass.isAssignableFrom(entity.getClass()) && predicate.apply((T) entity)) { // CraftBukkit - fix decompile error
arraylist.add(entity);
}
}
@@ -2131,7 +2404,7 @@
}
}
- return entity;
+ return (T) entity; // CraftBukkit fix decompile error
}
@Nullable
@@ -2152,8 +2425,17 @@
while (iterator.hasNext()) {
Entity entity = (Entity) iterator.next();
-
- if ((!(entity instanceof EntityInsentient) || !((EntityInsentient) entity).isPersistent()) && oclass.isAssignableFrom(entity.getClass())) {
+ // CraftBukkit start - Split out persistent check, don't apply it to special persistent mobs
+ if (entity instanceof EntityInsentient) {
+ EntityInsentient entityinsentient = (EntityInsentient) entity;
+ if (entityinsentient.isTypeNotPersistent() && entityinsentient.isPersistent()) {
+ continue;
+ }
+ }
+
+ if (oclass.isAssignableFrom(entity.getClass())) {
+ // if ((!(entity instanceof EntityInsentient) || !((EntityInsentient) entity).isPersistent()) && oclass.isAssignableFrom(entity.getClass())) {
+ // CraftBukkit end
++i;
}
}
@@ -2162,12 +2444,18 @@
}
public void a(Collection<Entity> collection) {
- this.entityList.addAll(collection);
+ // CraftBukkit start
+ // this.entityList.addAll(collection);
Iterator iterator = collection.iterator();
while (iterator.hasNext()) {
Entity entity = (Entity) iterator.next();
+ if (entity == null) {
+ continue;
+ }
+ this.entityList.add(entity);
+ // CraftBukkit end
this.b(entity);
}
@@ -2181,7 +2469,13 @@
IBlockData iblockdata = this.getType(blockposition);
AxisAlignedBB axisalignedbb = flag ? null : block.getBlockData().d(this, blockposition);
- return axisalignedbb != Block.k && !this.a(axisalignedbb.a(blockposition), entity) ? false : (iblockdata.getMaterial() == Material.ORIENTABLE && block == Blocks.ANVIL ? true : iblockdata.getMaterial().isReplaceable() && block.canPlace(this, blockposition, enumdirection, itemstack));
+ // CraftBukkit start - store default return
+ boolean defaultReturn = axisalignedbb != Block.k && !this.a(axisalignedbb.a(blockposition), entity) ? false : (iblockdata.getMaterial() == Material.ORIENTABLE && block == Blocks.ANVIL ? true : iblockdata.getMaterial().isReplaceable() && block.canPlace(this, blockposition, enumdirection, itemstack));
+ BlockCanBuildEvent event = new BlockCanBuildEvent(this.getWorld().getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ()), CraftMagicNumbers.getId(block), defaultReturn);
+ this.getServer().getPluginManager().callEvent(event);
+
+ return event.isBuildable();
+ // CraftBukkit end
}
public int K() {
@@ -2284,6 +2578,11 @@
for (int i = 0; i < this.players.size(); ++i) {
EntityHuman entityhuman1 = (EntityHuman) this.players.get(i);
+ // CraftBukkit start - Fixed an NPE
+ if (entityhuman1 == null || entityhuman1.dead) {
+ continue;
+ }
+ // CraftBukkit end
if ((IEntitySelector.d.apply(entityhuman1) || !flag) && (IEntitySelector.e.apply(entityhuman1) || flag)) {
double d5 = entityhuman1.e(d0, d1, d2);
@@ -2452,6 +2751,16 @@
public void everyoneSleeping() {}
+ // CraftBukkit start
+ // Calls the method that checks to see if players are sleeping
+ // Called by CraftPlayer.setPermanentSleeping()
+ public void checkSleepStatus() {
+ if (!this.isClientSide) {
+ this.everyoneSleeping();
+ }
+ }
+ // CraftBukkit end
+
public float h(float f) {
return (this.p + (this.q - this.p) * f) * this.j(f);
}
@@ -2669,7 +2978,7 @@
int l = j * 16 + 8 - blockposition.getZ();
short short0 = 128;
- return k >= -short0 && k <= short0 && l >= -short0 && l <= short0;
+ return k >= -short0 && k <= short0 && l >= -short0 && l <= short0 && this.keepSpawnInMemory; // CraftBukkit - Added 'this.keepSpawnInMemory'
}
public void a(Packet<?> packet) {
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