TileEntityPowerline

package com.arisux.avp.entities.tile;

import java.util.ArrayList;
import java.util.List;

import net.minecraft.block.Block;
import net.minecraft.init.Blocks;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.network.NetworkManager;
import net.minecraft.network.Packet;
import net.minecraft.network.play.server.S35PacketUpdateTileEntity;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.World;

public class TileEntityPowerline extends PoweredTileEntity
{
    public PoweredTileEntity originalpowersource = null;
    public boolean state;


    @Override
    public void updateEntity()
    {
        super.updateEntity();
        getOriginalPowerSource();
        updateState();
    }

    @Override
    public void onVoltageTick()
    {
        ;
    }

    @Override
    public Packet getDescriptionPacket()
    {
        NBTTagCompound nbtTag = new NBTTagCompound();
        this.writeToNBT(nbtTag);
        return new S35PacketUpdateTileEntity(this.xCoord, this.yCoord, this.zCoord, 1, nbtTag);
    }

    @Override
    public void onDataPacket(NetworkManager net, S35PacketUpdateTileEntity packet)
    {
        this.readFromNBT(packet.func_148857_g());
    }

    @Override
    public void writeToNBT(NBTTagCompound nbt)
    {
        super.writeToNBT(nbt);
    }

    @Override
    public void readFromNBT(NBTTagCompound nbt)
    {
        super.readFromNBT(nbt);
    }

    @Override
    public double getMinOperatingVoltage()
    {
        return 0;
    }

    @Override
    public double getMaxOperatingVoltage()
    {
        return 10000;
    }

    @Override
    public double getMinOperatingAmps()
    {
        return 0;
    }

    @Override
    public double getMaxOperatingAmps()
    {
        return 1000;
    }

    @Override
    public double getResistance()
    {
        return 0.002;
    }

    @Override
    public boolean canOutputPower()
    {
        return true;
    }

    public void updateState(){
        try{
            List<PoweredTileEntity> list = new ArrayList<PoweredTileEntity>();
            list.add(this.getTop());
            list.add(this.getBack());
            list.add(this.getBottom());
            list.add(this.getLeft());
            list.add(this.getRight());
            list.add(this.getFront());
            for (int i = 0; i < list.size(); i++) {
                PoweredTileEntity p = list.get(i);
                if(p instanceof TileEntityRepulsionGenerator || p instanceof TileEntitySolarPanel || p instanceof TileEntityNegativeTransformer  || p instanceof TileEntityR2PConvertor || p instanceof TileEntityTransformer){
                    state = true;
                    if(p instanceof TileEntityR2PConvertor)
                    {
                        TileEntityR2PConvertor te = (TileEntityR2PConvertor) p;
                        state = te.isActiveRedstoneWireAttached;
                    }
                }
                else if(p instanceof TileEntityPowerline)
                {
                    TileEntityPowerline te = (TileEntityPowerline) p;
                    boolean itsState = te.state;
                    if(itsState == true && this.state == false)
                    {
                        this.state = itsState;
                    }
                    if(itsState == false && this.state == true)
                    {
                        if(this.getPowerSource() instanceof TileEntityR2PConvertor && this.isOriginalPowerSourceAttached())
                        {
                            TileEntityR2PConvertor tre = (TileEntityR2PConvertor) this.getPowerSource();
                            if(tre.isActiveRedstoneWireAttached);
                            else
                            {
                                this.state = itsState;
                            }
                        }
                        else
                        {
                            this.state = itsState;
                        }
                    }
                }
            }
        }
        catch(NullPointerException e)
        {
        }
    }

    @Override
    public Block getBlockType()
    {
        return Blocks.beacon;
    }

    @Override
    public void onOverloadTick()
    {
        ;
    }

    @Override
    public void onUnderloadTick()
    {
        ;
    }

    @Override
    public boolean isOriginalPowerSourceAttached() {
        try{
            PoweredTileEntity t = this.getPowerSource();
            int x = t.xCoord;
            int y = t.yCoord;
            int z = t.zCoord;
            World world = t.getWorldObj();
            if(world.getTileEntity(x, y, z) instanceof TileEntityRepulsionGenerator)
            {
                return true;
            }
            else if(world.getTileEntity(x, y, z) instanceof TileEntitySolarPanel)
            {
                return true;
            }
            else if(world.getTileEntity(x, y, z) instanceof TileEntityR2PConvertor)
            {
                TileEntityR2PConvertor tre = (TileEntityR2PConvertor) world.getTileEntity(x, y, z);
                if(tre.isActiveRedstoneWireAttached)
                {
                    return true;
                }
                else
                {
                    return false;
                }
            }
            else{
                return false;
            }
        }
        catch(java.lang.NullPointerException e){
            return false;
        }
    }

    @Override
    public void getOriginalPowerSource() {
        List<PoweredTileEntity> list = new ArrayList<PoweredTileEntity>();
        list.add(this.getTop());
        list.add(this.getBack());
        list.add(this.getBottom());
        list.add(this.getLeft());
        list.add(this.getRight());
        list.add(this.getFront());
            for(PoweredTileEntity p : list){
                if(p instanceof TileEntityRepulsionGenerator || p instanceof TileEntityPowerline || p instanceof TileEntitySolarPanel || p instanceof TileEntityTransformer || p instanceof TileEntityNegativeTransformer || p instanceof TileEntityR2PConvertor){
                    if(p instanceof TileEntityRepulsionGenerator){
                        setOriginalPowerSource(p);
                        break;
                    }
                    if(p instanceof TileEntitySolarPanel){
                        setOriginalPowerSource(p);
                        break;
                    }
                    if(p instanceof TileEntityR2PConvertor){
                        setOriginalPowerSource(p);
                        break;
                    }
                    else if(p instanceof TileEntityPowerline && p.getPowerSource() != null){
                        setOriginalPowerSource(p.getPowerSource());
                        break;
                    }
                    else if(p instanceof TileEntityTransformer && p.getPowerSource() != null){
                        setOriginalPowerSource(p.getPowerSource());
                        break;
                    }
                    else if(p instanceof TileEntityNegativeTransformer && p.getPowerSource() != null){
                        setOriginalPowerSource(p.getPowerSource());
                        break;
                    }
                }

            }
    }

    @Override
    public void setOriginalPowerSource(PoweredTileEntity e) {
        originalpowersource = e;
    }
    @Override
    public PoweredTileEntity getPowerSource(){
        if(originalpowersource != null){
                return originalpowersource;
        }
        return null;
    }
}