DroidQuest/src/com/droidquest/items/SentryT1.java

package com.droidquest.items;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;

import javax.swing.ImageIcon;

import com.droidquest.Room;

public class SentryT1 extends Item 
{
	// This sentry does nothing but pace back and forth in the first tutorial.
	// It walks left and right, and switches directions when it hits a wall.

	// Behavior values:
	// 0=Move Left
	// 1=Move Right

	int animation = 0; // 0-3, 1 & 3 = icons[1]
	int behavior = 0;  // 0+ for pacing, until pounce and drag. -1=pin.

	public SentryT1(int X, int Y, Room r) 
	  {
		x=X; y=Y; room=r; 
		width=28; height=18; orgY = 30;
		grabbable = false;
		GenerateIcons();
		currentIcon = icons[0].getImage();
	  }

	public void GenerateIcons() 
	  {
		icons = new ImageIcon[3];
		icons[0]= new ImageIcon(new BufferedImage(width,height+orgY,BufferedImage.TYPE_4BYTE_ABGR));
		icons[1]= new ImageIcon(new BufferedImage(width,height+orgY,BufferedImage.TYPE_4BYTE_ABGR));
		icons[2]= new ImageIcon(new BufferedImage(width,height+orgY,BufferedImage.TYPE_4BYTE_ABGR));
		Graphics g;
		Graphics2D g2;
		Color transparent = new Color(0,0,0,0);

		// 0 = Legs out
		try
		  {
		     g = icons[0].getImage().getGraphics();
		  }
		catch (NullPointerException e)
		  {
		     System.out.println("Could not get Graphics pointer to " + getClass() + " Image");
		     return;
		  }
		g2 = (Graphics2D) g;
		g2.setBackground(transparent);
		g2.clearRect(0,0,width,height+orgY);
		g.setColor(Color.white);
		g.fillRect(8,0,12,6);
		g.fillRect(12,6,4,6);
		g.fillRect(8,12,12,24);
		g.fillRect(4,16,20,18);
		g.fillRect(0,20,28,10);
		g.fillRect(4,36,8,4);
		g.fillRect(4,36,4,6);
		g.fillRect(0,40,4,8);
		g.fillRect(16,36,8,4);
		g.fillRect(20,36,4,6);
		g.fillRect(24,40,4,8);
		g.setColor(Color.black);
		g.fillRect(4,22,4,6);
		g.fillRect(20,22,4,6);
		g.fillRect(8,20,4,2);
		g.fillRect(16,20,4,2);
		g.fillRect(8,28,4,2);
		g.fillRect(16,28,4,2);
		g.fillRect(12,18,4,2);
		g.fillRect(12,30,4,2);
		g.fillRect(12,22,4,6);

		
		// 1 = legs mid
		try
		  {
		     g = icons[1].getImage().getGraphics();
		  }
		catch (NullPointerException e)
		  {
		     System.out.println("Could not get Graphics pointer to " + getClass() + " Image");
		     return;
		  }
		g2 = (Graphics2D) g;
		g2.setBackground(transparent);
		g2.clearRect(0,0,width,height+orgY);
		g.setColor(Color.white);
		g.fillRect(8,0,12,6);
		g.fillRect(12,6,4,6);
		g.fillRect(8,12,12,28);
		g.fillRect(4,16,20,18);
		g.fillRect(0,20,28,10);
		g.fillRect(4,40,8,2);
		g.fillRect(16,40,8,2);
		g.fillRect(4,40,4,8);
		g.fillRect(20,40,4,8);
		g.setColor(Color.black);
		g.fillRect(4,22,4,6);
		g.fillRect(20,22,4,6);
		g.fillRect(8,20,4,2);
		g.fillRect(16,20,4,2);
		g.fillRect(8,28,4,2);
		g.fillRect(16,28,4,2);
		g.fillRect(12,18,4,2);
		g.fillRect(12,30,4,2);
		g.fillRect(12,22,4,6);


		// 2 = legs in
		try
		  {
		     g = icons[2].getImage().getGraphics();
		  }
		catch (NullPointerException e)
		  {
		     System.out.println("Could not get Graphics pointer to " + getClass() + " Image");
		     return;
		  }
		g2 = (Graphics2D) g;
		g2.setBackground(transparent);
		g2.clearRect(0,0,width,height+orgY);
		g.setColor(Color.white);
		g.fillRect(8,0,12,6);
		g.fillRect(12,6,4,36);
		g.fillRect(8,12,12,24);
		g.fillRect(4,16,20,18);
		g.fillRect(0,20,28,10);
		g.fillRect(8,40,4,8);
		g.fillRect(16,40,4,8);
		g.setColor(Color.black);
		g.fillRect(4,22,4,6);
		g.fillRect(20,22,4,6);
		g.fillRect(8,20,4,2);
		g.fillRect(16,20,4,2);
		g.fillRect(8,28,4,2);
		g.fillRect(16,28,4,2);
		g.fillRect(12,18,4,2);
		g.fillRect(12,30,4,2);
		g.fillRect(12,22,4,6);	

		if (animation==3)
		  currentIcon = icons[1].getImage();
		else
		  currentIcon = icons[animation].getImage();

	  }

	public void Animate() 
	  {
		if (behavior<3) animation++;
		if (animation==4) animation=0;
		if (animation==3)
		  currentIcon = icons[1].getImage();
		else
		  currentIcon = icons[animation].getImage();
		
		int oldX;
		switch (behavior)
		  {
		   case 0:
		     oldX=x;
		     MoveLeft(4);
		     if (oldX==x) behavior=1;
		     break;
		   case 1:
		     oldX=x;
		     MoveRight(4);
		     if (oldX==x) behavior=0;
		     break;
		  }	
	  }

	}