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bab0e8bc70
Paper/nms-patches/WorldServer.patch
Aikar 64492523a7 Move WorldSaveEvent to proper location 
calling CraftWorld.save() currently does not call WorldSaveEvent, and WorldSaveEvent could fire on worlds that have saving disabled.

New location will always fire during a world save and only during an actual save.
2014-12-03 14:35:33 -05:00

559 lines
25 KiB
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--- ../decompile-8eb82bde//net/minecraft/server/WorldServer.java 2014-12-03 14:34:52.705563806 -0500
+++ src/main/java/net/minecraft/server/WorldServer.java 2014-12-03 14:34:43.665563938 -0500
@@ -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());
@@ -692,7 +905,11 @@
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
+ if (!(this instanceof SecondaryWorldServer)) {
+ this.worldMaps.a();
+ }
+ // CraftBukkit end
}
protected void a(Entity entity) {
@@ -724,8 +941,16 @@
}
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 +962,20 @@
}
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 +1021,8 @@
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 +1045,7 @@
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 +1064,21 @@
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 +1106,17 @@
}
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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