V10TrackerEntry

package de.V10lator.V10Name;

import java.lang.reflect.Field;
import java.util.Iterator;

import net.minecraft.server.Block;
import net.minecraft.server.Entity;
import net.minecraft.server.EntityArrow;
import net.minecraft.server.EntityBoat;
import net.minecraft.server.EntityEgg;
import net.minecraft.server.EntityEnderCrystal;
import net.minecraft.server.EntityEnderDragon;
import net.minecraft.server.EntityEnderPearl;
import net.minecraft.server.EntityEnderSignal;
import net.minecraft.server.EntityExperienceOrb;
import net.minecraft.server.EntityFallingBlock;
import net.minecraft.server.EntityFireball;
import net.minecraft.server.EntityFishingHook;
import net.minecraft.server.EntityHuman;
import net.minecraft.server.EntityItem;
import net.minecraft.server.EntityLiving;
import net.minecraft.server.EntityMinecart;
import net.minecraft.server.EntityPainting;
import net.minecraft.server.EntityPlayer;
import net.minecraft.server.EntityPotion;
import net.minecraft.server.EntitySmallFireball;
import net.minecraft.server.EntitySnowball;
import net.minecraft.server.EntityTNTPrimed;
import net.minecraft.server.EntityThrownExpBottle;
import net.minecraft.server.EntityTrackerEntry;
import net.minecraft.server.IAnimal;
import net.minecraft.server.ItemStack;
import net.minecraft.server.MathHelper;
import net.minecraft.server.MobEffect;
import net.minecraft.server.Packet;
import net.minecraft.server.Packet17EntityLocationAction;
import net.minecraft.server.Packet20NamedEntitySpawn;
import net.minecraft.server.Packet21PickupSpawn;
import net.minecraft.server.Packet23VehicleSpawn;
import net.minecraft.server.Packet24MobSpawn;
import net.minecraft.server.Packet25EntityPainting;
import net.minecraft.server.Packet26AddExpOrb;
import net.minecraft.server.Packet28EntityVelocity;
import net.minecraft.server.Packet29DestroyEntity;
import net.minecraft.server.Packet41MobEffect;
import net.minecraft.server.Packet5EntityEquipment;

public class V10TrackerEntry extends EntityTrackerEntry
{
  private final Field f;
  private final V10Name plugin;

  public V10TrackerEntry(Entity entity, int i, int j, boolean flag, V10Name plugin)
  {
    super(entity, i, j, flag);
    Field f;
    try
    {
      f = EntityTrackerEntry.class.getDeclaredField("isMoving");
    }
    catch(Exception e)
    {
      f = null;
      e.printStackTrace();
    }
    this.f = f;
    this.f.setAccessible(true);
    this.plugin = plugin;
  }

  public void updatePlayer(EntityPlayer entityplayer)
  {
    if(entityplayer != this.tracker)
    {
      double d0 = entityplayer.locX - (double) (this.xLoc / 32);
      double d1 = entityplayer.locZ - (double) (this.zLoc / 32);

      if(d0 >= (double) (-this.b) && d0 <= (double) this.b && d1 >= (double) (-this.b) && d1 <= (double) this.b)
      {
        if(!this.trackedPlayers.contains(entityplayer))
        {
          if (tracker instanceof EntityPlayer)
          {
            org.bukkit.entity.Player player = ((EntityPlayer) tracker).getBukkitEntity();
            if(!entityplayer.getBukkitEntity().canSee(player))
            {
              return;
            }
          }
          this.trackedPlayers.add(entityplayer);
          entityplayer.netServerHandler.sendPacket(this.b());
          try
          {
            if(f.getBoolean(this))
              entityplayer.netServerHandler.sendPacket(new Packet28EntityVelocity(this.tracker.id, this.tracker.motX, this.tracker.motY, this.tracker.motZ));
          }
          catch(Exception e)
          {
            e.printStackTrace();
          }

          ItemStack[] aitemstack = this.tracker.getEquipment();

          if(aitemstack != null)
            for(int i = 0; i < aitemstack.length; ++i)
              entityplayer.netServerHandler.sendPacket(new Packet5EntityEquipment(this.tracker.id, i, aitemstack[i]));

          if(this.tracker instanceof EntityHuman)
          {
            EntityHuman entityhuman = (EntityHuman)this.tracker;

            if(entityhuman.isSleeping())
              entityplayer.netServerHandler.sendPacket(new Packet17EntityLocationAction(this.tracker, 0, MathHelper.floor(this.tracker.locX), MathHelper.floor(this.tracker.locY), MathHelper.floor(this.tracker.locZ)));
          }

          if(this.tracker instanceof EntityLiving)
          {
            EntityLiving entityliving = (EntityLiving) this.tracker;
            Iterator iterator = entityliving.getEffects().iterator();

            while(iterator.hasNext())
            {
              MobEffect mobeffect = (MobEffect) iterator.next();

              entityplayer.netServerHandler.sendPacket(new Packet41MobEffect(this.tracker.id, mobeffect));
            }
          }
        }
      }
      else if(this.trackedPlayers.contains(entityplayer))
      {
        this.trackedPlayers.remove(entityplayer);
        entityplayer.netServerHandler.sendPacket(new Packet29DestroyEntity(this.tracker.id));
      }
    }
  }

  private Packet b()
  {
    if(this.tracker.dead)
      System.out.println("Fetching addPacket for removed entity: " + this.tracker.getBukkitEntity().toString());

    if(this.tracker instanceof EntityItem)
    {
      EntityItem entityitem = (EntityItem) this.tracker;
      Packet21PickupSpawn packet21pickupspawn = new Packet21PickupSpawn(entityitem);

      entityitem.locX = (double) packet21pickupspawn.b / 32.0D;
      entityitem.locY = (double) packet21pickupspawn.c / 32.0D;
      entityitem.locZ = (double) packet21pickupspawn.d / 32.0D;
      return packet21pickupspawn;
    }
    if(this.tracker instanceof EntityPlayer)
    {
      EntityPlayer ep = (EntityPlayer)this.tracker;
      Packet20NamedEntitySpawn packet20 = new Packet20NamedEntitySpawn(ep);
      if(plugin.changedNames.containsKey(ep.name))
        packet20.b = plugin.changedNames.get(ep.name);
      return packet20;
    }
    if(this.tracker instanceof EntityPlayer)
      return new Packet20NamedEntitySpawn((EntityHuman) this.tracker);
    if(this.tracker instanceof EntityMinecart)
    {
      EntityMinecart entityminecart = (EntityMinecart) this.tracker;

      if(entityminecart.type == 0)
        return new Packet23VehicleSpawn(this.tracker, 10);

      if(entityminecart.type == 1)
        return new Packet23VehicleSpawn(this.tracker, 11);

      if(entityminecart.type == 2)
        return new Packet23VehicleSpawn(this.tracker, 12);
    }

    if(this.tracker instanceof EntityBoat)
      return new Packet23VehicleSpawn(this.tracker, 1);
    if(this.tracker instanceof IAnimal)
      return new Packet24MobSpawn((EntityLiving) this.tracker);
    if(this.tracker instanceof EntityEnderDragon)
      return new Packet24MobSpawn((EntityLiving) this.tracker);
    if(this.tracker instanceof EntityFishingHook)
      return new Packet23VehicleSpawn(this.tracker, 90);
    if(this.tracker instanceof EntityArrow)
    {
      Entity entity = ((EntityArrow) this.tracker).shooter;

      return new Packet23VehicleSpawn(this.tracker, 60, entity != null ? entity.id : this.tracker.id);
    }
    if(this.tracker instanceof EntitySnowball)
      return new Packet23VehicleSpawn(this.tracker, 61);
    if(this.tracker instanceof EntityPotion)
      return new Packet23VehicleSpawn(this.tracker, 73, ((EntityPotion) this.tracker).getPotionValue());
    if(this.tracker instanceof EntityThrownExpBottle)
      return new Packet23VehicleSpawn(this.tracker, 75);
    if (this.tracker instanceof EntityEnderPearl)
      return new Packet23VehicleSpawn(this.tracker, 65);
    if(this.tracker instanceof EntityEnderSignal)
      return new Packet23VehicleSpawn(this.tracker, 72);

    Packet23VehicleSpawn packet23vehiclespawn = null;

    if(this.tracker instanceof EntitySmallFireball)
    {
      EntitySmallFireball entitysmallfireball = (EntitySmallFireball)this.tracker;

      if(entitysmallfireball.shooter != null)
        packet23vehiclespawn = new Packet23VehicleSpawn(this.tracker, 64, entitysmallfireball.shooter.id);
      else
        packet23vehiclespawn = new Packet23VehicleSpawn(this.tracker, 64, 0);

      packet23vehiclespawn.e = (int)(entitysmallfireball.dirX * 8000.0D);
      packet23vehiclespawn.f = (int)(entitysmallfireball.dirY * 8000.0D);
      packet23vehiclespawn.g = (int)(entitysmallfireball.dirZ * 8000.0D);
    }
    else if(this.tracker instanceof EntityFireball)
    {
      EntityFireball entityfireball = (EntityFireball) this.tracker;

      if(entityfireball.shooter != null)
        packet23vehiclespawn = new Packet23VehicleSpawn(this.tracker, 63, ((EntityFireball) this.tracker).shooter.id);
      else
        packet23vehiclespawn = new Packet23VehicleSpawn(this.tracker, 63, 0);

      packet23vehiclespawn.e = (int)(entityfireball.dirX * 8000.0D);
      packet23vehiclespawn.f = (int)(entityfireball.dirY * 8000.0D);
      packet23vehiclespawn.g = (int)(entityfireball.dirZ * 8000.0D);
    }
    else if(this.tracker instanceof EntityEgg)
      packet23vehiclespawn = new Packet23VehicleSpawn(this.tracker, 62);
    if(this.tracker instanceof EntityTNTPrimed)
      packet23vehiclespawn = new Packet23VehicleSpawn(this.tracker, 50);
    if(this.tracker instanceof EntityEnderCrystal)
      packet23vehiclespawn = new Packet23VehicleSpawn(this.tracker, 51);
    if(packet23vehiclespawn != null)
      return packet23vehiclespawn;
    if(this.tracker instanceof EntityFallingBlock)
    {
      EntityFallingBlock entityfallingblock = (EntityFallingBlock)this.tracker;

      if(entityfallingblock.id == Block.SAND.id)
        return new Packet23VehicleSpawn(this.tracker, 70);
      if(entityfallingblock.id == Block.GRAVEL.id)
        return new Packet23VehicleSpawn(this.tracker, 71);
      if(entityfallingblock.id == Block.DRAGON_EGG.id)
        return new Packet23VehicleSpawn(this.tracker, 74);
    }

    if(this.tracker instanceof EntityPainting)
      return new Packet25EntityPainting((EntityPainting) this.tracker);
    if(this.tracker instanceof EntityExperienceOrb)
      return new Packet26AddExpOrb((EntityExperienceOrb) this.tracker);
    throw new IllegalArgumentException("Don\'t know how to add " + this.tracker.getClass() + "!");
  }
}