V10Tracker

package de.V10lator.V10Name;

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

import org.bukkit.Bukkit;

import net.minecraft.server.Entity;
import net.minecraft.server.EntityTracker;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.World;

public class V10Tracker extends EntityTracker
{
  private final Field worldField;
  private final Field dField;
  private final Field aField;
  private final V10Name plugin;

  public V10Tracker(MinecraftServer minecraftserver, World i, V10Name plugin)
  {
    super(minecraftserver, i);
    Field worldField;
    Field dField;
    Field aField;
    try
    {
      worldField = EntityTracker.class.getDeclaredField("world");
      dField = EntityTracker.class.getDeclaredField("d");
      aField = EntityTracker.class.getDeclaredField("a");
      worldField.setAccessible(true);
      dField.setAccessible(true);
      aField.setAccessible(true);
    }
    catch(Exception e)
    {
      worldField = null;
      dField = null;
      aField = null;
      e.printStackTrace();
    }
    this.worldField = worldField;
    this.dField = dField;
    this.aField = aField;
    this.plugin = plugin;
  }

  public synchronized void addEntity(Entity entity, int i, int j, boolean flag)
  {
    int d = 512;
    try
    {
      d = dField.getInt(this);
    }
    catch(Exception e)
    {
      e.printStackTrace();
    }
    if(i > d)
      i = d;

    if(!this.trackedEntities.b(entity.id))
    {
      V10TrackerEntry entitytrackerentry = new V10TrackerEntry(entity, i, j, flag, plugin);

      Set a = null;
      World world = null;
      try
      {
        a = (Set)aField.get(this);
        world = (World)worldField.get(this);
      }
      catch(Exception e)
      {
        e.printStackTrace();
      }
      a.add(entitytrackerentry);
      this.trackedEntities.a(entity.id, entitytrackerentry);
      entitytrackerentry.scanPlayers(world.players); // CraftBukkit
    }
  }
}