PacketTeleportEffects.java

package crazypants.enderio.rail;

import io.netty.buffer.ByteBuf;

import java.util.Random;

import net.minecraft.client.Minecraft;
import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.world.World;
import cpw.mods.fml.common.network.simpleimpl.IMessage;
import cpw.mods.fml.common.network.simpleimpl.IMessageHandler;
import cpw.mods.fml.common.network.simpleimpl.MessageContext;
import crazypants.enderio.EnderIO;

public class PacketTeleportEffects implements IMessage, IMessageHandler<PacketTeleportEffects, IMessage> {

  double x;
  double y;
  double z;

  public PacketTeleportEffects() {
  }

  public PacketTeleportEffects(Entity ent) {
    x = ent.posX;
    y = ent.posY;
    z = ent.posZ;
  }

  @Override
  public void toBytes(ByteBuf buf) {
    buf.writeDouble(x);
    buf.writeDouble(y);
    buf.writeDouble(z);
  }

  @Override
  public void fromBytes(ByteBuf buf) {
    x = buf.readDouble();
    y = buf.readDouble();
    z = buf.readDouble();
  }

  @Override
  public IMessage onMessage(PacketTeleportEffects message, MessageContext ctx) {
    EntityPlayer player = EnderIO.proxy.getClientPlayer();
    World world = player.worldObj;
    Random rand = world.rand;
    for (int i = 0; i < 15; i++) {
      double xOff = (rand.nextDouble() - 0.5) * 1.1;
      double yOff = (rand.nextDouble() - 0.5) * 0.2;
      double zOff = (rand.nextDouble() - 0.5) * 1.1;
      Minecraft.getMinecraft().theWorld.spawnParticle("portal", message.x + xOff, message.y + yOff, message.z + zOff, (rand.nextDouble() - 0.5) * 1.5, -rand.nextDouble(),
          (rand.nextDouble() - 0.5) * 1.5);
    }
    return null;
  }

}