li/cil/oc/common/tileentity/PowerSupply.scala

package li.cil.oc.common.tileentity

import net.minecraft.tileentity.TileEntity
import li.cil.oc.api.network.{PoweredNode, Visibility, Node}
import net.minecraftforge.common.{ForgeDirection, MinecraftForge}
import ic2.api.energy.event.{EnergyTileLoadEvent, EnergyTileUnloadEvent}
import cpw.mods.fml.common.FMLCommonHandler
import ic2.api.energy.tile.IEnergySink
import buildcraft.api.power.{PowerHandler, IPowerReceptor}
import net.minecraft.world.World
import net.minecraft.nbt.NBTTagCompound
import universalelectricity.core.block.IElectrical
import universalelectricity.core.electricity.ElectricityPack

/**
 * Created with IntelliJ IDEA.
 * User: lordjoda
 * Date: 30.09.13
 * Time: 20:37
 * To change this template use File | Settings | File Templates.
 */
class PowerSupply extends Rotatable with PoweredNode with IEnergySink with IPowerReceptor with IElectrical{
  var addedToEnet = false
  var powerHandler:PowerHandler  = null
  override val name = "powersupply"

  override val visibility = Visibility.Network

  override def onChunkUnload(){
    super.onChunkUnload()
       onUnload()
  }
  def onUnload(){
    if(addedToEnet){
      MinecraftForge.EVENT_BUS.post(new EnergyTileUnloadEvent(this))
      addedToEnet = false
    }

  }

    override def updateEntity(){
      super.updateEntity()
      if(!addedToEnet) {
        onLoaded()
      }
      if(!FMLCommonHandler.instance.getEffectiveSide.isClient)
      {
        storedEnergy+=getPowerProvider().useEnergy(1,(MAXENERGY-storedEnergy).toFloat/5.0f,true)*5;

      }
    }

  override def readFromNBT(nbt: NBTTagCompound) = {
    super.readFromNBT(nbt)
    getPowerProvider().readFromNBT(nbt)
    storedEnergy = nbt.getDouble("storedEnergy")
  }
  override def writeToNBT(nbt: NBTTagCompound) = {
    super.writeToNBT(nbt)
    getPowerProvider().writeToNBT(nbt)
    nbt.setDouble("storedEnergy",storedEnergy)

  }

  /**
   * Notification that the TileEntity finished loaded, for advanced uses.
   * Either onUpdateEntity or onLoaded have to be used.
   */
  def onLoaded() {
    if (!addedToEnet && !FMLCommonHandler.instance.getEffectiveSide.isClient) {
      MinecraftForge.EVENT_BUS.post(new EnergyTileLoadEvent(this))
      addedToEnet = true
    }
  }

   var storedEnergy = 0.0;
  var lastInjectedEnergy =0.0;
  var MAXENERGY = 1000;
  //IC2 stuff
  /**
   * Determine how much energy the sink accepts.
   *
   * This value is unrelated to getMaxSafeInput().
   *
   * Make sure that injectEnergy() does accepts energy if demandsEnergy() returns anything > 0.
   *
   * @return max accepted input in eu
   */
  override def demandedEnergyUnits: Double={
    val needed = MAXENERGY-storedEnergy
    if(needed>lastInjectedEnergy||needed>MAXENERGY/2)
       return needed/2
    0
  }

  /**
   * Transfer energy to the sink.
   *
   * It's highly recommended to accept all energy by letting the internal buffer overflow to
   * increase the performance and accuracy of the distribution simulation.
   *
   * @param directionFrom direction from which the energy comes from
   * @param amount energy to be transferred
   * @return Energy not consumed (leftover)
   */
  override def injectEnergyUnits(directionFrom: ForgeDirection, amount: Double): Double ={
    lastInjectedEnergy = amount*2;
    storedEnergy+=amount*2;
    0
  }

  /**
   * Determine the amount of eu which can be safely injected into the specific energy sink without exploding.
   *
   * Typical values are 32 for LV, 128 for MV, 512 for HV and 2048 for EV. A value of Integer.MAX_VALUE indicates no
   * limit.
   *
   * This value is unrelated to demandsEnergy().
   *
   * @return max safe input in eu
   */
  override def getMaxSafeInput: Int   =Integer.MAX_VALUE

  /**
   * Determine if this acceptor can accept current from an adjacent emitter in a direction.
   *
   * The TileEntity in the emitter parameter is what was originally added to the energy net,
   * which may be normal in-world TileEntity, a delegate or an IMetaDelegate.
   *
   * @param emitter energy emitter
   * @param direction direction the energy is being received from
   */
  override def acceptsEnergyFrom(emitter: TileEntity, direction: ForgeDirection): Boolean = true

  //*******************BUILDCRAFT**********************************//


  /**
   * Get the PowerReceiver for this side of the block. You can return the same PowerReceiver for
   * all sides or one for each side.
   *
   * You should NOT return null to this method unless you mean to NEVER receive power from that
   * side. Returning null, after previous returning a PowerReceiver, will most likely cause pipe
   * connections to derp out and engines to eventually explode.
   *
   * @param side
   * @return
   */
  def getPowerReceiver(side: ForgeDirection): PowerHandler#PowerReceiver={

    return getPowerProvider().getPowerReceiver
  }
  def getPowerProvider():PowerHandler=
  {
    if (powerHandler == null)
    {
      powerHandler = new PowerHandler(this, PowerHandler.Type.STORAGE);
      if (powerHandler != null) {
        powerHandler.configure(1.0F, 320.0F, 800.0F, 640.0F);
      }
    }
    return powerHandler;
  }
  /**
   * Call back from the PowerHandler that is called when the stored power exceeds the activation
   * power.
   *
   * It can be triggered by update() calls or power modification calls.
   *
   * @param workProvider
   */
  def doWork(workProvider: PowerHandler){

  }

  def getWorld: World=worldObj


  /** * UE*************************
    *
    */
  /**
   * Adds electricity to an block. Returns the quantity of electricity that was accepted. This
   * should always return 0 if the block cannot be externally charged.
   *
   * @param from Orientation the electricity is sent in from.
   * @param receive Maximum amount of electricity to be sent into the block.
   * @param doReceive If false, the charge will only be simulated.
   * @return Amount of energy that was accepted by the block.
   */
  def receiveElectricity(from: ForgeDirection, receive: ElectricityPack, doReceive: Boolean): Float={
    if (receive == null) return 0.0F;

    if (doReceive)
    {
      val energy = receive.getWatts() / 0.2F;
      storedEnergy += energy;
    }
    return receive.getWatts();
  }

  /**
   * Adds electricity to an block. Returns the ElectricityPack, the electricity provided. This
   * should always return null if the block cannot be externally discharged.
   *
   * @param from Orientation the electricity is requested from.
   * @param request Maximum amount of energy to be sent into the block.
   * @param doProvide If false, the charge will only be simulated.
   * @return Amount of energy that was given out by the block.
   */
  def provideElectricity(from: ForgeDirection, request: ElectricityPack, doProvide: Boolean): ElectricityPack =null

  /**
   * @return How much energy does this TileEntity want?
   */
  def getRequest(direction: ForgeDirection): Float ={
    val diff = Math.floor((MAXENERGY - storedEnergy) * 0.2F)
    return diff.toFloat max 0
  }

  /**
   * @return How much energy does this TileEntity want to provide?
   */
  def getProvide(direction: ForgeDirection): Float   = 0.0F

  /**
   * Gets the voltage of this TileEntity.
   *
   * @return The amount of volts. E.g 120v or 240v
   */
  def getVoltage: Float =120.0F

  def canConnect(direction:ForgeDirection):Boolean = true

}