Package buildcraft.core.robots

Source Code of buildcraft.core.robots.AIRobotUnload

/**
* Copyright (c) 2011-2014, SpaceToad and the BuildCraft Team
* http://www.mod-buildcraft.com
*
* BuildCraft is distributed under the terms of the Minecraft Mod Public
* License 1.0, or MMPL. Please check the contents of the license located in
* http://www.mod-buildcraft.com/MMPL-1.0.txt
*/
package buildcraft.core.robots;

import net.minecraftforge.common.util.ForgeDirection;

import buildcraft.api.core.IInvSlot;
import buildcraft.api.robots.AIRobot;
import buildcraft.api.robots.EntityRobotBase;
import buildcraft.core.inventory.InventoryIterator;
import buildcraft.silicon.statements.ActionStationInputItems;
import buildcraft.transport.Pipe;
import buildcraft.transport.gates.ActionIterator;
import buildcraft.transport.gates.StatementSlot;

public class AIRobotUnload extends AIRobot {

  private int waitedCycles = 0;
  private boolean delivered = false;

  public AIRobotUnload(EntityRobotBase iRobot) {
    super(iRobot);
  }

  @Override
  public void update() {
    waitedCycles++;

    if (waitedCycles > 40) {
      if (!doUnload()) {
        terminate();
      } else {
        waitedCycles = 0;
      }
    }
  }

  private boolean doUnload() {
    DockingStation station = (DockingStation) robot.getDockingStation();

    if (station == null) {
      return false;
    }

    Pipe pipe = station.getPipe().pipe;

    for (IInvSlot robotSlot : InventoryIterator.getIterable(robot, ForgeDirection.UNKNOWN)) {
      if (robotSlot.getStackInSlot() == null) {
        continue;
      }

      for (StatementSlot s : new ActionIterator(pipe)) {
        if (s.statement instanceof ActionStationInputItems) {
          if (((ActionStationInputItems) s.statement)
              .insert(station, (EntityRobot) robot, s, robotSlot, true)) {

            delivered = true;

            return true;
          }
        }
      }
    }

    return false;
  }

  @Override
  public int getEnergyCost() {
    return 20;
  }

  @Override
  public boolean success() {
    return delivered;
  }
}
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