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Paper/nms-patches/WorldServer.patch

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--- /home/antony/work/spigot-BuildTools/work/decompile-8eb82bde//net/minecraft/server/WorldServer.java 2014-12-10 18:45:26.490705797 +0200
+++ src/main/java/net/minecraft/server/WorldServer.java 2014-12-10 18:45:11.770706183 +0200
@@ -16,6 +16,20 @@
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
+// CraftBukkit start
+import java.util.*;
+import java.util.logging.Level;
+
+import org.bukkit.WeatherType;
+import org.bukkit.block.BlockState;
+import org.bukkit.craftbukkit.util.LongHash;
+
+import org.bukkit.event.block.BlockFormEvent;
+import org.bukkit.event.weather.LightningStrikeEvent;
+import org.bukkit.event.weather.ThunderChangeEvent;
+import org.bukkit.event.weather.WeatherChangeEvent;
+// CraftBukkit end
+
public class WorldServer extends World implements IAsyncTaskHandler {
private static final Logger a = LogManager.getLogger();
@@ -37,14 +51,21 @@
private static final List U = Lists.newArrayList(new StructurePieceTreasure[] { new StructurePieceTreasure(Items.STICK, 0, 1, 3, 10), new StructurePieceTreasure(Item.getItemOf(Blocks.PLANKS), 0, 1, 3, 10), new StructurePieceTreasure(Item.getItemOf(Blocks.LOG), 0, 1, 3, 10), new StructurePieceTreasure(Items.STONE_AXE, 0, 1, 1, 3), new StructurePieceTreasure(Items.WOODEN_AXE, 0, 1, 1, 5), new StructurePieceTreasure(Items.STONE_PICKAXE, 0, 1, 1, 3), new StructurePieceTreasure(Items.WOODEN_PICKAXE, 0, 1, 1, 5), new StructurePieceTreasure(Items.APPLE, 0, 2, 3, 5), new StructurePieceTreasure(Items.BREAD, 0, 2, 3, 3), new StructurePieceTreasure(Item.getItemOf(Blocks.LOG2), 0, 1, 3, 10)});
private List V = Lists.newArrayList();
- public WorldServer(MinecraftServer minecraftserver, IDataManager idatamanager, WorldData worlddata, int i, MethodProfiler methodprofiler) {
- super(idatamanager, worlddata, WorldProvider.byDimension(i), methodprofiler, false);
+ // CraftBukkit start
+ public final int dimension;
+
+ // Add env and gen to constructor
+ public WorldServer(MinecraftServer minecraftserver, IDataManager idatamanager, WorldData worlddata, int i, MethodProfiler methodprofiler, org.bukkit.World.Environment env, org.bukkit.generator.ChunkGenerator gen) {
+ super(idatamanager, worlddata, WorldProvider.byDimension(env.getId()), methodprofiler, false, gen, env);
+ this.dimension = i;
+ this.pvpMode = minecraftserver.getPVP();
+ // CraftBukkit end
this.server = minecraftserver;
this.tracker = new EntityTracker(this);
this.manager = new PlayerChunkMap(this);
this.worldProvider.a(this);
this.chunkProvider = this.k();
- this.Q = new PortalTravelAgent(this);
+ this.Q = new org.bukkit.craftbukkit.CraftTravelAgent(this); // CraftBukkit
this.B();
this.C();
this.af().a(minecraftserver.aG());
@@ -86,6 +107,89 @@
return this;
}
+
+ // CraftBukkit start
+ @Override
+ public TileEntity getTileEntity(BlockPosition pos) {
+ TileEntity result = super.getTileEntity(pos);
+ Block type = getType(pos).getBlock();
+
+ if (type == Blocks.CHEST) {
+ if (!(result instanceof TileEntityChest)) {
+ result = fixTileEntity(pos, type, result);
+ }
+ } else if (type == Blocks.FURNACE) {
+ if (!(result instanceof TileEntityFurnace)) {
+ result = fixTileEntity(pos, type, result);
+ }
+ } else if (type == Blocks.DROPPER) {
+ if (!(result instanceof TileEntityDropper)) {
+ result = fixTileEntity(pos, type, result);
+ }
+ } else if (type == Blocks.DISPENSER) {
+ if (!(result instanceof TileEntityDispenser)) {
+ result = fixTileEntity(pos, type, result);
+ }
+ } else if (type == Blocks.JUKEBOX) {
+ if (!(result instanceof TileEntityRecordPlayer)) {
+ result = fixTileEntity(pos, type, result);
+ }
+ } else if (type == Blocks.NOTEBLOCK) {
+ if (!(result instanceof TileEntityNote)) {
+ result = fixTileEntity(pos, type, result);
+ }
+ } else if (type == Blocks.MOB_SPAWNER) {
+ if (!(result instanceof TileEntityMobSpawner)) {
+ result = fixTileEntity(pos, type, result);
+ }
+ } else if ((type == Blocks.STANDING_SIGN) || (type == Blocks.WALL_SIGN)) {
+ if (!(result instanceof TileEntitySign)) {
+ result = fixTileEntity(pos, type, result);
+ }
+ } else if (type == Blocks.ENDER_CHEST) {
+ if (!(result instanceof TileEntityEnderChest)) {
+ result = fixTileEntity(pos, type, result);
+ }
+ } else if (type == Blocks.BREWING_STAND) {
+ if (!(result instanceof TileEntityBrewingStand)) {
+ result = fixTileEntity(pos, type, result);
+ }
+ } else if (type == Blocks.BEACON) {
+ if (!(result instanceof TileEntityBeacon)) {
+ result = fixTileEntity(pos, type, result);
+ }
+ } else if (type == Blocks.HOPPER) {
+ if (!(result instanceof TileEntityHopper)) {
+ result = fixTileEntity(pos, type, result);
+ }
+ }
+
+ return result;
+ }
+
+ private TileEntity fixTileEntity(BlockPosition pos, Block type, TileEntity found) {
+ this.getServer().getLogger().log(Level.SEVERE, "Block at {0},{1},{2} is {3} but has {4}" + ". "
+ + "Bukkit will attempt to fix this, but there may be additional damage that we cannot recover.", new Object[]{pos.getX(), pos.getY(), pos.getZ(), org.bukkit.Material.getMaterial(Block.getId(type)).toString(), found});
+
+ if (type instanceof IContainer) {
+ TileEntity replacement = ((IContainer) type).a(this, type.toLegacyData(this.getType(pos)));
+ replacement.world = this;
+ this.setTileEntity(pos, replacement);
+ return replacement;
+ } else {
+ this.getServer().getLogger().severe("Don't know how to fix for this type... Can't do anything! :(");
+ return found;
+ }
+ }
+
+ private boolean canSpawn(int x, int z) {
+ if (this.generator != null) {
+ return this.generator.canSpawn(this.getWorld(), x, z);
+ } else {
+ return this.worldProvider.canSpawn(x, z);
+ }
+ }
+ // CraftBukkit end
public void doTick() {
super.doTick();
@@ -105,8 +209,11 @@
}
this.methodProfiler.a("mobSpawner");
- if (this.getGameRules().getBoolean("doMobSpawning") && this.worldData.getType() != WorldType.DEBUG_ALL_BLOCK_STATES) {
- this.R.a(this, this.allowMonsters, this.allowAnimals, this.worldData.getTime() % 400L == 0L);
+ // CraftBukkit start - Only call spawner if we have players online and the world allows for mobs or animals
+ long time = this.worldData.getTime();
+ if (this.getGameRules().getBoolean("doMobSpawning") && this.worldData.getType() != WorldType.DEBUG_ALL_BLOCK_STATES && (this.allowMonsters || this.allowAnimals) && (this instanceof WorldServer && this.players.size() > 0)) {
+ this.R.a(this, this.allowMonsters && (this.ticksPerMonsterSpawns != 0 && time % this.ticksPerMonsterSpawns == 0L), this.allowAnimals && (this.ticksPerAnimalSpawns != 0 && time % this.ticksPerAnimalSpawns == 0L), this.worldData.getTime() % 400L == 0L);
+ // CraftBukkit end
}
this.methodProfiler.c("chunkSource");
@@ -135,6 +242,8 @@
this.Q.a(this.getTime());
this.methodProfiler.b();
this.ak();
+
+ this.getWorld().processChunkGC(); // CraftBukkit
}
public BiomeMeta a(EnumCreatureType enumcreaturetype, BlockPosition blockposition) {
@@ -161,7 +270,7 @@
if (entityhuman.v()) {
++i;
- } else if (entityhuman.isSleeping()) {
+ } else if (entityhuman.isSleeping() || entityhuman.fauxSleeping) { // CraftBukkit
++j;
}
}
@@ -187,26 +296,45 @@
}
private void ag() {
- this.worldData.setWeatherDuration(0);
- this.worldData.setStorm(false);
- this.worldData.setThunderDuration(0);
- this.worldData.setThundering(false);
+ // CraftBukkit start
+ WeatherChangeEvent weather = new WeatherChangeEvent(this.getWorld(), false);
+ this.getServer().getPluginManager().callEvent(weather);
+
+ ThunderChangeEvent thunder = new ThunderChangeEvent(this.getWorld(), false);
+ this.getServer().getPluginManager().callEvent(thunder);
+ if (!weather.isCancelled()) {
+ this.worldData.setWeatherDuration(0);
+ this.worldData.setStorm(false);
+ }
+ if (!thunder.isCancelled()) {
+ this.worldData.setThunderDuration(0);
+ this.worldData.setThundering(false);
+ }
+ // CraftBukkit end
}
public boolean everyoneDeeplySleeping() {
if (this.O && !this.isStatic) {
Iterator iterator = this.players.iterator();
+ // CraftBukkit - This allows us to assume that some people are in bed but not really, allowing time to pass in spite of AFKers
+ boolean foundActualSleepers = false;
+
EntityHuman entityhuman;
do {
if (!iterator.hasNext()) {
- return true;
+ return foundActualSleepers;
}
entityhuman = (EntityHuman) iterator.next();
- } while (!entityhuman.v() && entityhuman.isDeeplySleeping());
-
+ // CraftBukkit start
+ if (entityhuman.isDeeplySleeping()) {
+ foundActualSleepers = true;
+ }
+ } while (!entityhuman.v() && (entityhuman.isDeeplySleeping() || entityhuman.fauxSleeping));
+ // CraftBukkit end
+
return false;
} else {
return false;
@@ -227,15 +355,22 @@
} else {
int i = 0;
int j = 0;
-
- for (Iterator iterator1 = this.chunkTickList.iterator(); iterator1.hasNext(); this.methodProfiler.b()) {
- ChunkCoordIntPair chunkcoordintpair1 = (ChunkCoordIntPair) iterator1.next();
- int k = chunkcoordintpair1.x * 16;
- int l = chunkcoordintpair1.z * 16;
-
+
+ // CraftBukkit start
+ //for (Iterator iterator1 = this.chunkTickList.iterator(); iterator1.hasNext(); this.methodProfiler.b()) {
+ // ChunkCoordIntPair chunkcoordintpair1 = (ChunkCoordIntPair) iterator1.next();
+ // int k = chunkcoordintpair1.x * 16;
+ // int l = chunkcoordintpair1.z * 16;
+ for (long chunkCoord : chunkTickList.popAll()) {
+ int chunkX = LongHash.msw(chunkCoord);
+ int chunkZ = LongHash.lsw(chunkCoord);
+ int k = chunkX * 16;
+ int l = chunkZ * 16;
+
this.methodProfiler.a("getChunk");
- Chunk chunk = this.getChunkAt(chunkcoordintpair1.x, chunkcoordintpair1.z);
-
+ Chunk chunk = this.getChunkAt(chunkX, chunkZ);
+ // CraftBukkit end
+
this.a(k, l, chunk);
this.methodProfiler.c("tickChunk");
chunk.b(false);
@@ -260,11 +395,29 @@
BlockPosition blockposition1 = blockposition.down();
if (this.w(blockposition1)) {
- this.setTypeUpdate(blockposition1, Blocks.ICE.getBlockData());
+ // CraftBukkit start
+ BlockState blockState = this.getWorld().getBlockAt(blockposition1.getX(), blockposition1.getY(), blockposition1.getZ()).getState();
+ blockState.setTypeId(Block.getId(Blocks.ICE));
+
+ BlockFormEvent iceBlockForm = new BlockFormEvent(blockState.getBlock(), blockState);
+ this.getServer().getPluginManager().callEvent(iceBlockForm);
+ if (!iceBlockForm.isCancelled()) {
+ blockState.update(true);
+ }
+ // CraftBukkit end
}
if (this.S() && this.f(blockposition, true)) {
- this.setTypeUpdate(blockposition, Blocks.SNOW_LAYER.getBlockData());
+ // CraftBukkit start
+ BlockState blockState = this.getWorld().getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ()).getState();
+ blockState.setTypeId(Block.getId(Blocks.SNOW_LAYER));
+
+ BlockFormEvent snow = new BlockFormEvent(blockState.getBlock(), blockState);
+ this.getServer().getPluginManager().callEvent(snow);
+ if (!snow.isCancelled()) {
+ blockState.update(true);
+ }
+ // CraftBukkit end
}
if (this.S() && this.getBiome(blockposition1).e()) {
@@ -376,7 +529,7 @@
}
public void tickEntities() {
- if (this.players.isEmpty()) {
+ if (false && this.players.isEmpty()) { // CraftBukkit - this prevents entity cleanup, other issues on servers with no players
if (this.emptyTime++ >= 1200) {
return;
}
@@ -401,7 +554,13 @@
throw new IllegalStateException("TickNextTick list out of synch");
} else {
if (i > 1000) {
- i = 1000;
+ // CraftBukkit start - If the server has too much to process over time, try to alleviate that
+ if (i > 20 * 1000) {
+ i = i / 20;
+ } else {
+ i = 1000;
+ }
+ // CraftBukkit end
}
this.methodProfiler.a("cleaning");
@@ -501,6 +660,7 @@
return arraylist;
}
+ /* CraftBukkit start - We prevent spawning in general, so this butchering is not needed
public void entityJoinedWorld(Entity entity, boolean flag) {
if (!this.getSpawnAnimals() && (entity instanceof EntityAnimal || entity instanceof EntityWaterAnimal)) {
entity.die();
@@ -511,7 +671,9 @@
}
super.entityJoinedWorld(entity, flag);
+
}
+ // CraftBukkit end */
private boolean getSpawnNPCs() {
return this.server.getSpawnNPCs();
@@ -523,14 +685,44 @@
protected IChunkProvider k() {
IChunkLoader ichunkloader = this.dataManager.createChunkLoader(this.worldProvider);
+
+ // CraftBukkit start
+ org.bukkit.craftbukkit.generator.InternalChunkGenerator gen;
+
+ if (this.generator != null) {
+ gen = new org.bukkit.craftbukkit.generator.CustomChunkGenerator(this, this.getSeed(), this.generator);
+ } else if (this.worldProvider instanceof WorldProviderHell) {
+ gen = new org.bukkit.craftbukkit.generator.NetherChunkGenerator(this, this.getSeed());
+ } else if (this.worldProvider instanceof WorldProviderTheEnd) {
+ gen = new org.bukkit.craftbukkit.generator.SkyLandsChunkGenerator(this, this.getSeed());
+ } else {
+ gen = new org.bukkit.craftbukkit.generator.NormalChunkGenerator(this, this.getSeed());
+ }
- this.chunkProviderServer = new ChunkProviderServer(this, ichunkloader, this.worldProvider.getChunkProvider());
+ this.chunkProviderServer = new ChunkProviderServer(this, ichunkloader, gen);
+ // CraftBukkit end
return this.chunkProviderServer;
}
public List getTileEntities(int i, int j, int k, int l, int i1, int j1) {
ArrayList arraylist = Lists.newArrayList();
-
+
+ // CraftBukkit start - Get tile entities from chunks instead of world
+ for (int chunkX = (i >> 4); chunkX <= ((l - 1) >> 4); chunkX++) {
+ for (int chunkZ = (k >> 4); chunkZ <= ((j1 - 1) >> 4); chunkZ++) {
+ Chunk chunk = getChunkAt(chunkX, chunkZ);
+ if (chunk == null) {
+ continue;
+ }
+ for (Object te : chunk.tileEntities.values()) {
+ TileEntity tileentity = (TileEntity) te;
+ if ((tileentity.position.getX() >= i) && (tileentity.position.getY() >= j) && (tileentity.position.getZ() >= k) && (tileentity.position.getX() < l) && (tileentity.position.getY() < i1) && (tileentity.position.getZ() < j1)) {
+ arraylist.add(tileentity);
+ }
+ }
+ }
+ }
+ /*
for (int k1 = 0; k1 < this.h.size(); ++k1) {
TileEntity tileentity = (TileEntity) this.h.get(k1);
BlockPosition blockposition = tileentity.getPosition();
@@ -539,6 +731,8 @@
arraylist.add(tileentity);
}
}
+ */
+ // CraftBukkit end
return arraylist;
}
@@ -601,6 +795,23 @@
int i = 0;
int j = this.worldProvider.getSeaLevel();
int k = 0;
+
+ // CraftBukkit start
+ if (this.generator != null) {
+ Random rand = new Random(this.getSeed());
+ org.bukkit.Location spawn = this.generator.getFixedSpawnLocation(((WorldServer) this).getWorld(), rand);
+
+ if (spawn != null) {
+ if (spawn.getWorld() != ((WorldServer) this).getWorld()) {
+ throw new IllegalStateException("Cannot set spawn point for " + this.worldData.getName() + " to be in another world (" + spawn.getWorld().getName() + ")");
+ } else {
+ this.worldData.setSpawn(new BlockPosition(spawn.getBlockX(), spawn.getBlockY(), spawn.getBlockZ()));
+ this.isLoading = false;
+ return;
+ }
+ }
+ }
+ // CraftBukkit end
if (blockposition != null) {
i = blockposition.getX();
@@ -611,7 +822,7 @@
int l = 0;
- while (!this.worldProvider.canSpawn(i, k)) {
+ while (!this.canSpawn(i, k)) { // CraftBukkit - use our own canSpawn
i += random.nextInt(64) - random.nextInt(64);
k += random.nextInt(64) - random.nextInt(64);
++l;
@@ -648,8 +859,9 @@
return this.worldProvider.h();
}
- public void save(boolean flag, IProgressUpdate iprogressupdate) {
+ public void save(boolean flag, IProgressUpdate iprogressupdate) throws ExceptionWorldConflict { // CraftBukkit - added throws
if (this.chunkProvider.canSave()) {
+ org.bukkit.Bukkit.getPluginManager().callEvent(new org.bukkit.event.world.WorldSaveEvent(getWorld())); // CraftBukkit
if (iprogressupdate != null) {
iprogressupdate.a("Saving level");
}
@@ -660,7 +872,8 @@
}
this.chunkProvider.saveChunks(flag, iprogressupdate);
- List list = this.chunkProviderServer.a();
+ // CraftBukkit - ArrayList -> Collection
+ Collection list = this.chunkProviderServer.a();
Iterator iterator = list.iterator();
while (iterator.hasNext()) {
@@ -680,7 +893,7 @@
}
}
- protected void a() {
+ protected void a() throws ExceptionWorldConflict { // CraftBukkit - added throws
this.checkSession();
this.worldData.a(this.af().h());
this.worldData.d(this.af().f());
@@ -691,8 +904,15 @@
this.worldData.k(this.af().p());
this.worldData.b(this.af().j());
this.worldData.e(this.af().i());
- this.dataManager.saveWorldData(this.worldData, this.server.getPlayerList().u());
- this.worldMaps.a();
+ // CraftBukkit start - save worldMaps once, rather than once per shared world
+ // Only save players for the primary world.
+ if (!(this instanceof SecondaryWorldServer)) {
+ this.worldMaps.a();
+ this.dataManager.saveWorldData(this.worldData);
+ } else {
+ this.dataManager.saveWorldData(this.worldData, this.server.getPlayerList().u());
+ }
+ // CraftBukkit end
}
protected void a(Entity entity) {
@@ -724,8 +944,16 @@
}
public boolean strikeLightning(Entity entity) {
+ // CraftBukkit start
+ LightningStrikeEvent lightning = new LightningStrikeEvent(this.getWorld(), (org.bukkit.entity.LightningStrike) entity.getBukkitEntity());
+ this.getServer().getPluginManager().callEvent(lightning);
+
+ if (lightning.isCancelled()) {
+ return false;
+ }
if (super.strikeLightning(entity)) {
- this.server.getPlayerList().sendPacketNearby(entity.locX, entity.locY, entity.locZ, 512.0D, this.worldProvider.getDimension(), new PacketPlayOutSpawnEntityWeather(entity));
+ this.server.getPlayerList().sendPacketNearby(entity.locX, entity.locY, entity.locZ, 512.0D, this.dimension, new PacketPlayOutSpawnEntityWeather(entity));
+ // CraftBukkit end
return true;
} else {
return false;
@@ -737,10 +965,20 @@
}
public Explosion createExplosion(Entity entity, double d0, double d1, double d2, float f, boolean flag, boolean flag1) {
+ // CraftBukkit start
+ Explosion explosion = super.createExplosion(entity, d0, d1, d2, f, flag, flag1);
+
+ if (explosion.wasCanceled) {
+ return explosion;
+ }
+
+ /* Remove
Explosion explosion = new Explosion(this, entity, d0, d1, d2, f, flag, flag1);
explosion.a();
explosion.a(false);
+ */
+ // CraftBukkit end - TODO: Check if explosions are still properly implemented
if (!flag1) {
explosion.clearBlocks();
}
@@ -786,7 +1024,8 @@
BlockActionData blockactiondata = (BlockActionData) iterator.next();
if (this.a(blockactiondata)) {
- this.server.getPlayerList().sendPacketNearby((double) blockactiondata.a().getX(), (double) blockactiondata.a().getY(), (double) blockactiondata.a().getZ(), 64.0D, this.worldProvider.getDimension(), new PacketPlayOutBlockAction(blockactiondata.a(), blockactiondata.d(), blockactiondata.b(), blockactiondata.c()));
+ // CraftBukkit - this.worldProvider.dimension -> this.dimension
+ this.server.getPlayerList().sendPacketNearby((double) blockactiondata.a().getX(), (double) blockactiondata.a().getY(), (double) blockactiondata.a().getZ(), 64.0D, this.dimension, new PacketPlayOutBlockAction(blockactiondata.a(), blockactiondata.d(), blockactiondata.b(), blockactiondata.c()));
}
}
@@ -809,6 +1048,7 @@
boolean flag = this.S();
super.p();
+ /* CraftBukkit start
if (this.o != this.p) {
this.server.getPlayerList().a(new PacketPlayOutGameStateChange(7, this.p), this.worldProvider.getDimension());
}
@@ -827,7 +1067,21 @@
this.server.getPlayerList().sendAll(new PacketPlayOutGameStateChange(7, this.p));
this.server.getPlayerList().sendAll(new PacketPlayOutGameStateChange(8, this.r));
}
-
+ // */
+ if (flag != this.S()) {
+ // Only send weather packets to those affected
+ for (int i = 0; i < this.players.size(); ++i) {
+ if (((EntityPlayer) this.players.get(i)).world == this) {
+ ((EntityPlayer) this.players.get(i)).setPlayerWeather((!flag ? WeatherType.DOWNFALL : WeatherType.CLEAR), false);
+ }
+ }
+ }
+ for (int i = 0; i < this.players.size(); ++i) {
+ if (((EntityPlayer) this.players.get(i)).world == this) {
+ ((EntityPlayer) this.players.get(i)).updateWeather(this.o, this.p, this.q, this.r);
+ }
+ }
+ // CraftBukkit end
}
protected int q() {
@@ -855,10 +1109,17 @@
}
public void a(EnumParticle enumparticle, boolean flag, double d0, double d1, double d2, int i, double d3, double d4, double d5, double d6, int... aint) {
+ // CraftBukkit - visibility api support
+ sendParticles(null, enumparticle, flag, d0, d1, d2, i, d3, d4, d5, d6, aint);
+ }
+
+ public void sendParticles(EntityPlayer sender, EnumParticle enumparticle, boolean flag, double d0, double d1, double d2, int i, double d3, double d4, double d5, double d6, int... aint) {
+ // CraftBukkit end
PacketPlayOutWorldParticles packetplayoutworldparticles = new PacketPlayOutWorldParticles(enumparticle, flag, (float) d0, (float) d1, (float) d2, (float) d3, (float) d4, (float) d5, (float) d6, i, aint);
for (int j = 0; j < this.players.size(); ++j) {
EntityPlayer entityplayer = (EntityPlayer) this.players.get(j);
+ if (sender != null && !sender.getBukkitEntity().canSee(entityplayer.getBukkitEntity())) continue; // CraftBukkit
BlockPosition blockposition = entityplayer.getChunkCoordinates();
double d7 = blockposition.c(d0, d1, d2);
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