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package net.minecraft.server;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
public class EntityTracker {
private Set a = new HashSet();
private EntityList b = new EntityList();
private MinecraftServer c;
private int d;
private int e;
public EntityTracker(MinecraftServer minecraftserver, int i) {
this.c = minecraftserver;
this.e = i;
this.d = minecraftserver.serverConfigurationManager.a();
}
// CraftBukkit - synchronized
public synchronized void track(Entity entity) {
if (entity instanceof EntityPlayer) {
this.a(entity, 512, 2);
EntityPlayer entityplayer = (EntityPlayer) entity;
Iterator iterator = this.a.iterator();
while (iterator.hasNext()) {
EntityTrackerEntry entitytrackerentry = (EntityTrackerEntry) iterator.next();
if (entitytrackerentry.tracker != entityplayer) {
entitytrackerentry.b(entityplayer);
}
}
} else if (entity instanceof EntityFish) {
this.a(entity, 64, 5, true);
} else if (entity instanceof EntityArrow) {
this.a(entity, 64, 20, false);
} else if (entity instanceof EntityFireball) {
this.a(entity, 64, 10, false);
} else if (entity instanceof EntitySnowball) {
this.a(entity, 64, 10, true);
} else if (entity instanceof EntityEgg) {
this.a(entity, 64, 10, true);
} else if (entity instanceof EntityItem) {
this.a(entity, 64, 20, true);
} else if (entity instanceof EntityMinecart) {
this.a(entity, 160, 5, true);
} else if (entity instanceof EntityBoat) {
this.a(entity, 160, 5, true);
} else if (entity instanceof EntitySquid) {
this.a(entity, 160, 3, true);
} else if (entity instanceof IAnimal) {
this.a(entity, 160, 3);
} else if (entity instanceof EntityTNTPrimed) {
this.a(entity, 160, 10, true);
} else if (entity instanceof EntityFallingSand) {
this.a(entity, 160, 20, true);
} else if (entity instanceof EntityPainting) {
this.a(entity, 160, Integer.MAX_VALUE, false);
}
}
public void a(Entity entity, int i, int j) {
this.a(entity, i, j, false);
}
// CraftBukkit - synchronized
public synchronized void a(Entity entity, int i, int j, boolean flag) {
if (i > this.d) {
i = this.d;
}
if (this.b.b(entity.id)) {
// CraftBukkit - removed exception throw as tracking an already tracked entity theoretically shouldn't cause any issues.
// throw new IllegalStateException("Entity is already tracked!");
} else {
EntityTrackerEntry entitytrackerentry = new EntityTrackerEntry(entity, i, j, flag);
this.a.add(entitytrackerentry);
this.b.a(entity.id, entitytrackerentry);
entitytrackerentry.scanPlayers(this.c.getWorldServer(this.e).players);
}
}
// CraftBukkit - synchronized
public synchronized void untrackEntity(Entity entity) {
if (entity instanceof EntityPlayer) {
EntityPlayer entityplayer = (EntityPlayer) entity;
Iterator iterator = this.a.iterator();
while (iterator.hasNext()) {
EntityTrackerEntry entitytrackerentry = (EntityTrackerEntry) iterator.next();
entitytrackerentry.a(entityplayer);
}
}
EntityTrackerEntry entitytrackerentry1 = (EntityTrackerEntry) this.b.d(entity.id);
if (entitytrackerentry1 != null) {
this.a.remove(entitytrackerentry1);
entitytrackerentry1.a();
}
}
// CraftBukkit - synchronized
public synchronized void updatePlayers() {
ArrayList arraylist = new ArrayList();
Iterator iterator = this.a.iterator();
while (iterator.hasNext()) {
EntityTrackerEntry entitytrackerentry = (EntityTrackerEntry) iterator.next();
entitytrackerentry.track(this.c.getWorldServer(this.e).players);
if (entitytrackerentry.m && entitytrackerentry.tracker instanceof EntityPlayer) {
arraylist.add((EntityPlayer) entitytrackerentry.tracker);
}
}
for (int i = 0; i < arraylist.size(); ++i) {
EntityPlayer entityplayer = (EntityPlayer) arraylist.get(i);
Iterator iterator1 = this.a.iterator();
while (iterator1.hasNext()) {
EntityTrackerEntry entitytrackerentry1 = (EntityTrackerEntry) iterator1.next();
if (entitytrackerentry1.tracker != entityplayer) {
entitytrackerentry1.b(entityplayer);
}
}
}
}
// CraftBukkit - synchronized
public synchronized void a(Entity entity, Packet packet) {
EntityTrackerEntry entitytrackerentry = (EntityTrackerEntry) this.b.a(entity.id);
if (entitytrackerentry != null) {
entitytrackerentry.a(packet);
}
}
// CraftBukkit - synchronized
public synchronized void sendPacketToEntity(Entity entity, Packet packet) {
EntityTrackerEntry entitytrackerentry = (EntityTrackerEntry) this.b.a(entity.id);
if (entitytrackerentry != null) {
entitytrackerentry.b(packet);
}
}
// CraftBukkit - synchronized
public synchronized void untrackPlayer(EntityPlayer entityplayer) {
Iterator iterator = this.a.iterator();
while (iterator.hasNext()) {
EntityTrackerEntry entitytrackerentry = (EntityTrackerEntry) iterator.next();
entitytrackerentry.c(entityplayer);
}
}
}
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