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 IntHashMap trackedEntities = new IntHashMap(); 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.addEntity(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 EntityFishingHook) { this.addEntity(entity, 64, 5, true); } else if (entity instanceof EntityArrow) { this.addEntity(entity, 64, 20, false); } else if (entity instanceof EntitySmallFireball) { this.addEntity(entity, 64, 10, false); } else if (entity instanceof EntityFireball) { this.addEntity(entity, 64, 10, false); } else if (entity instanceof EntitySnowball) { this.addEntity(entity, 64, 10, true); } else if (entity instanceof EntityEnderPearl) { this.addEntity(entity, 64, 10, true); } else if (entity instanceof EntityEnderSignal) { this.addEntity(entity, 64, 10, true); } else if (entity instanceof EntityEgg) { this.addEntity(entity, 64, 10, true); } else if (entity instanceof EntityPotion) { this.addEntity(entity, 64, 10, true); } else if (entity instanceof EntityItem) { this.addEntity(entity, 64, 20, true); } else if (entity instanceof EntityMinecart) { this.addEntity(entity, 80, 3, true); } else if (entity instanceof EntityBoat) { this.addEntity(entity, 80, 3, true); } else if (entity instanceof EntitySquid) { this.addEntity(entity, 64, 3, true); } else if (entity instanceof IAnimal) { this.addEntity(entity, 80, 3, true); } else if (entity instanceof EntityEnderDragon) { this.addEntity(entity, 160, 3, true); } else if (entity instanceof EntityTNTPrimed) { this.addEntity(entity, 160, 10, true); } else if (entity instanceof EntityFallingBlock) { this.addEntity(entity, 160, 20, true); } else if (entity instanceof EntityPainting) { this.addEntity(entity, 160, Integer.MAX_VALUE, false); } else if (entity instanceof EntityExperienceOrb) { this.addEntity(entity, 160, 20, true); } else if (entity instanceof EntityEnderCrystal) { this.addEntity(entity, 256, Integer.MAX_VALUE, false); } } public void addEntity(Entity entity, int i, int j) { this.addEntity(entity, i, j, false); } // CraftBukkit - synchronized public synchronized void addEntity(Entity entity, int i, int j, boolean flag) { if (i > this.d) { i = this.d; } if (this.trackedEntities.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.trackedEntities.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.trackedEntities.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.trackedEntities.a(entity.id); if (entitytrackerentry != null) { entitytrackerentry.a(packet); } } // CraftBukkit - synchronized public synchronized void sendPacketToEntity(Entity entity, Packet packet) { EntityTrackerEntry entitytrackerentry = (EntityTrackerEntry) this.trackedEntities.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); } } }