DroidQuest/src/com/droidquest/devices/Antenna.java

package com.droidquest.devices;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

import javax.swing.ImageIcon;

import com.droidquest.items.GenericRobot;
import com.droidquest.Room;
import com.droidquest.chipstuff.Port;
import com.droidquest.decorations.Spark;
import com.droidquest.items.Item;

public class Antenna extends Device 
{
public static int radio = 0; // One frequency that all Antennas use (robots)
public static int radio2 = 0; // Second frequency transmitted outside of robots.
private boolean oldRadio = false; // Was this radio transmitting last phase?
Color color;
transient GenericRobot robot;

public Antenna(int X, int Y, Room r, Color col) 
  {
	x=X; y=Y; color= col;
	width=44; height=52;
	room = r;
	if (room.portalItem!=null)
	  if (room.portalItem.getClass().toString().endsWith("Robot"))
	    robot = (GenericRobot) room.portalItem;
	grabbable = false;
	GenerateIcons();
	currentIcon = icons[0].getImage();
  }

public void writeRef(ObjectOutputStream s) throws IOException 
  {
	super.writeRef(s);	
	s.writeInt(level.items.indexOf(robot)); // Index of fromport device
  }

public void readRef(ObjectInputStream s) throws IOException 
  {
	super.readRef(s);
	robot = (GenericRobot) level.FindItem(s.readInt());
  }

public void GenerateIcons() 
  {
	robot = (GenericRobot) room.portalItem;
	radio=0;
	radio2=0;
	if (ports==null)
	  {
	     ports = new Port[2];
	     ports[0] = new Port(39,45,Port.TYPE_INPUT,18,Port.ROT_DOWN,this);
	     ports[1] = new Port(11,50,Port.TYPE_OUTPUT,26,Port.ROT_DOWN,this);
	  }
	else
	  for (int a=0; a<ports.length; a++)
	    ports[a].myDevice = this;
	
	icons = new ImageIcon[1];
	icons[0]= new ImageIcon(new BufferedImage(width,height,BufferedImage.TYPE_4BYTE_ABGR));	
	currentIcon = icons[0].getImage();
  }

public void Animate() 
  {
	super.Animate();
	if (robot==null)
	  if (ports[0].value && level.electricity)
	    {
	       Dimension d = GetXY();
	       level.sparks.addElement(new Spark(d.width+26,d.height+4, 
						 level.random.nextInt(9)-4,
						 level.random.nextInt(9)-4,
						 room));
	    }
  }

public void Decorate() 
  {
	super.Decorate();
	try
	  {
	     g = currentIcon.getGraphics();
	  }
	catch (NullPointerException e)
	  {
	     System.out.println("Could not get Graphics pointer to " + getClass() + " Image");
	     return;
	  }
	if (robot!=null)
	  {
	     g.setColor(color);
	     g.fillRect(18,0,14,6);
	     g.fillRect(22,6,6,16);
	     g.fillRect(8,22,32,2);
	  }
	else 
	  {
	     if (radio2>0)
	       g.setColor(new Color(255,128,0));
	     else
	       g.setColor(color);
	     g.fillRect(18,0,14,6);
	     g.fillRect(22,6,6,16);
	     g.fillRect(8,22,32,2);
	     if (ports[0].value && level.electricity)
	       level.PlaySound(room, level.BEEPSOUND);
	  }
  }

public boolean Function() 
  {
	if (robot!=null)
	  {
	     if (radio<0)
	       radio=0;
	     
	     if (radio>0)
	       {
		  robot.antenna = true;
		  ports[1].value = true;
	       }
	     else
	       {
		  robot.antenna = false;
		  ports[1].value = false;
	       }
	     if (oldRadio != ports[0].value)
	       {
		  if (ports[0].value == true)
		    {
		       robot.broadcasting = true;
		       radio++;
		    }
		  else
		    {
		       robot.broadcasting = false;
		       radio--;
		    }
	       }
	     oldRadio = ports[0].value;
	  }
	else
	  {
	     if (radio2<0)
	       radio2=0;
	     
	     if (radio2>0)
	       ports[1].value = true;
	     else
	       ports[1].value = false;
	     if (oldRadio != ports[0].value)
	       {
		  if (ports[0].value == true)
		    radio2++;
		  else
		    radio2--;
	       }
	     oldRadio = ports[0].value;
	  }
	return false;
  }

public void SetRoom(Room r) 
  {
	if (oldRadio)
	  {
	     if (robot!=null)
	       radio--;
	     else
	       radio2--;
	  }
	super.SetRoom(r);
	robot=null;
	if (room.portalItem!=null)
	  if (room.portalItem.getClass().toString().endsWith("Robot"))
	    robot = (GenericRobot) room.portalItem;
  }

public void Erase() 
  {
	super.Erase();
	robot = null;
  }

}