transferEntityToDimension

// transfer entity to dimension. do not transfer player using this method! use transferPlayerToDimension
    static boolean transferEntityToDimension(Entity sourceEntity, int destinationDimension, double x, double y, double z)
    {
        WorldServer sourceWorldServer = MinecraftServer.getServer().worldServerForDimension(sourceEntity.dimension);
        WorldServer destinationWorldServer = MinecraftServer.getServer().worldServerForDimension(destinationDimension);

        if(sourceWorldServer == null || destinationWorldServer == null)
        {
            return false;
        }

        NBTTagCompound tagCompound = new NBTTagCompound();
        float rotationYaw = sourceEntity.rotationYaw;
        float rotationPitch = sourceEntity.rotationPitch;
        sourceEntity.writeToNBT(tagCompound);
        Class<? extends Entity> entityClass = sourceEntity.getClass();
        sourceWorldServer.removeEntity(sourceEntity);

        try
        {
            if(sourceEntity instanceof EntityLiving)
            {
                Entity destinationEntity = entityClass.getConstructor(World.class).newInstance(destinationWorldServer);
                destinationEntity.readFromNBT(tagCompound);
                destinationEntity.setLocationAndAngles(x, y, z, rotationYaw, rotationPitch);
                destinationWorldServer.spawnEntityInWorld(destinationEntity);

                // register destination entity with
                TeleporterEntity.register(destinationEntity);

                // so the entity doesn't teleport again when the dimension loads
                TeleporterEntity.get(destinationEntity).setOnTeleporter(true);
                TeleporterEntity.get(destinationEntity).setTeleported(true);

                TeleporterEntity.transferToLocation(destinationEntity, x, y, z);
            }
        }
        catch (Exception e)
        {
            return false;
        }

        return true;
    }