/*

  Alejandro Neira
  Period 4
  May 14
  This program generates a grid, and a car. When the car is moved the rocks move
  Your goal is not to touch the rocks or the car will crash and you will start all over.

*/


import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;

public class Window extends Frame implements ActionListener
{
	//Define the Image
	Image carImage;
	Image rockImage;
	Image explode;
	
	//define Buttons
	Button forward = new Button("Forward");
	Button left = new Button("Left");
	Button right = new Button("Right");
	Label crashed = new Label("             ");
	
	Font boom = new Font("Helvetica", Font.BOLD, 25);
	
	GridObject grid = new GridObject();
	CarObject car = new CarObject();
	Rock1 rock1 = new Rock1();
	Rock2 rock2 = new Rock2();
	
	public Window()
	{
		super("Racing Grid");
		
		//Set Layout
		setLayout(new FlowLayout(FlowLayout.CENTER));
		
		//Retrieve the car image and store it in the imgae object
		//And define rocks
		carImage = Toolkit.getDefaultToolkit().getImage("lulzcar.gif");
		this.setIconImage(carImage);
		rockImage = Toolkit.getDefaultToolkit().getImage("rock.gif");
		explode = Toolkit.getDefaultToolkit().getImage("explode.gif");
		
		//Add components to window
		add(forward);
		add(left);
		add(right);
		
		add(crashed);
		
		crashed.setFont(boom);
		
		//Register Listener
		forward.addActionListener(this);
		right.addActionListener(this);
		left.addActionListener(this);
		
		//Set size and show
		setSize(160,750);
		show();
	}
	
	public void actionPerformed(ActionEvent event)
	{
		int tempX, tempY, tempXrock, tempYrock;
		tempX = car.getX();
		tempY = car.getY();
		tempXrock = rock1.getX();
		tempYrock = rock1.getY();
		
		System.out.println("In action performed location: "+tempX +" "+tempY);
		
		if(event.getSource() == forward) 
		{
			tempY = moveForward(tempY);
			crashed.setText("             ");
			rock1.y--;
		}
		else if(event.getSource() == right)
		{
			tempY = moveForward(tempY);
			tempX = moveRight(tempX);
			crashed.setText("             ");
			tempYrock = moveForward(tempYrock);
			tempXrock = moveRight(tempXrock);
		}
		else if(event.getSource() == left)
		{
			tempY = moveForward(tempY);
			tempX = moveLeft(tempX);
			crashed.setText("             ");
			tempYrock = moveForward(tempYrock);
			tempXrock = moveLeft(tempXrock);
		}
		
		System.out.println("Moving to: "+tempX +" " +tempY);
		car.updateLocation(tempX, tempY);
		rock1.updateLocation(tempXrock, tempYrock);
		repaint();
	}
	
	public int moveForward(int y)
	{
		if(y > 0)
		{
			y--;

		}
		else
		{
			y = 24;

		}
		return y;
	}
	
	public int moveLeft(int x)
	{
		if(x > 0)
		{
			x--;
		}
		return x;
	}
	
	public int moveRight(int x)
	{
		if(x < 4)
		{
			x++;
		}
		return x;
	}
	
	
	public void paint(Graphics g)
	{
		System.out.println("in paint");
		for (int i = 0; i<5; i++)
		{
			for (int j = 0; j<25; j++)
			{
				g.drawRect(grid.getX(i,j),grid.getY(i,j), grid.getWidth(i,j),grid.getHeight(i,j));
			}
		}
		System.out.println("in paint before overwrite");

		g.setColor(Color.white);
		g.fillRect(grid.getX(car.getOldX(),car.getOldY()),
				   grid.getY(car.getOldX(),car.getOldY()),
				   grid.getWidth(car.getOldX(),car.getOldY()),
				   grid.getHeight(car.getOldX(),car.getOldY()));
		g.setColor(Color.black);
		g.drawRect(grid.getX(car.getOldX(),car.getOldY()),
				grid.getY(car.getOldX(),car.getOldY()),
				grid.getWidth(car.getOldX(),car.getOldY()),
				grid.getHeight(car.getOldX(),car.getOldY()));
		g.drawImage(carImage, grid.getX(car.getX(),car.getY()),
				grid.getY(car.getX(), car.getY()), this);	
				
		if(car.getX() == rock1.getX() && car.getY() == rock1.getY())
		{ 		
			g.drawImage(explode, grid.getX(rock1.getX(),rock1.getY()),
				grid.getY(rock1.getX(), rock1.getY()), this);	
			car.oldX=0;
			car.oldY=24;
			car.x=0;
			car.y=24;
			crashed.setText("BOOM!!!");	
		}	
		else
		{
			g.drawImage(rockImage, grid.getX(rock1.getX(),rock1.getY()),
				grid.getY(rock1.getX(), rock1.getY()), this);
		}
		if(car.getX() == rock2.getX() && car.getY() == rock2.getY()) {
		 		
			g.drawImage(explode, grid.getX(rock2.getX(),rock2.getY()),
				grid.getY(rock2.getX(), rock2.getY()), this);	
			car.oldX=0;
			car.oldY=24;
			car.x=0;
			car.y=24;
			crashed.setText("BOOM!!!");	
		}	
		else {
		
			g.drawImage(rockImage, grid.getX(rock2.getX(),rock2.getY()),
				grid.getY(rock2.getX(), rock2.getY()), this);
		}			 				
	}
}			


public class GridObject
{
	//Define an array to hold Grid elements
	GridElement[][] gridArray = new GridElement[5][25];
	public GridObject()
	{
		System.out.println("In grid Object");
		int gridX = 0, gridY=0;
		for (int i = 0; i < gridArray.length; i++)
		{
			gridX = i*25+20;
			for (int j = 0; j<gridArray[i].length; j++)
			{
				gridY = j*25+100;
				gridArray[i][j] = new GridElement(gridX,gridY, 25,25);
				System.out.println("grid element installed: " +i +" "+j);
			}		
		}
	}

	public int getX(int i, int j)
	{
		return gridArray[i][j].getX();
	}
	public int getY(int i, int j)
	{
		return gridArray[i][j].getY();
	}
	public int getWidth(int i, int j)
	{
		return gridArray[i][j].getWidth();
	}
	public int getHeight(int i, int j)
	{
		return gridArray[i][j].getHeight();
	}
}

//Grid element defines x,y location and a height and witdh for
//each sqaure of the grid

public class GridElement
{
	private int x, y, width,height;
	public GridElement(int x, int y, int width, int height)
	{
		System.out.println("In Grid Element");
		this.x=x;
		this.y=y;
		this.width=width;
		this.height=height;	
	}
	public int getX()
	{
		return this.x;
	}
	public int getY()
	{
		return this.y;
	}
	public int getWidth()
	{
		return this.width;
	}
	public int getHeight()
	{
		return this.height;
	}
		
}

public class CarObject
{
	int oldX, oldY, x, y;
	public CarObject()
	{
		oldX=2;
		oldY=24;
		x=2;
		y=24;
	}
	
	public void updateLocation(int x, int y)
	{
		this.oldX=this.x;
		this.oldY=this.y;
		this.x=x;
		this.y=y;
		System.out.println("In update location: "+this.x +" "+this.y);
	}
	
	public int getOldX()
	{
		return this.oldX;
	}
	public int getOldY()
	{
		return this.oldY;
	}
	public int getX()
	{
		return this.x;
	}
	public int getY()
	{
		return this.y;
	}
	
}

public class Rock1
{
	int oldX, oldY, x, y;
	public Rock1()
	{
		oldX=4;
		oldY=6;
		x=4;
		y=6;
	}
	
	public void updateLocation(int x, int y)
	{
		this.oldX=this.x;
		this.oldY=this.y;
		this.x=x;
		this.y=y;
		System.out.println("In update location: "+this.x +" "+this.y);
	}
	
	public int getOldX()
	{
		return this.oldX;
	}
	public int getOldY()
	{
		return this.oldY;
	}
	public int getX()
	{
		return this.x;
	}
	public int getY()
	{
		return this.y;
	}
	
}

public class Rock2
{
	int oldX, oldY, x, y;
	public Rock2()
	{
		oldX=0;
		oldY=20;
		x=0;
		y=20;
	}
	
	public void updateLocation(int x, int y)
	{
		this.oldX=this.x;
		this.oldY=this.y;
		this.x=x;
		this.y=y;
		System.out.println("In update location: "+this.x +" "+this.y);
	}
	
	public int getOldX()
	{
		return this.oldX;
	}
	public int getOldY()
	{
		return this.oldY;
	}
	public int getX()
	{
		return this.x;
	}
	public int getY()
	{
		return this.y;
	}
	
}

public class CarGraph
{
	public static void main(String arg[])
	{
		new Window();
	}
}