Type6.java

import java.awt.Color;
import java.util.Random;

/**
 * 
 * type6
 * 
 * case 0:
 * 	 	 *
 * 		 *
 * 		**
 * 
 * case 1:
 * 		*
 *		***
 *
 *case 2:
 *		**
 *		*
 *		*
 *
 *case 3:
 *		***
 *		  *
 *
 * 
 * @author shayan
 *
 */
public class Type6 extends DrawObject {

	public Type6(){
		this(new Random().nextInt(4));
	}
	public Type6(int direction){
		this.direction=direction;
		DIRECTION_NUMBER=4;		
	}

	private Color TYPE6_COLOR = Color.ORANGE;  
	@Override
	public void draw() {
		switch(direction){
		case 0:
			Data.color[x][y] = TYPE6_COLOR;
			Data.color[x][y+1] = TYPE6_COLOR;
			Data.color[x][y+2] = TYPE6_COLOR;
			Data.color[x-1][y+2] = TYPE6_COLOR;
			break;
		case 1:
			Data.color[x][y] = TYPE6_COLOR;
			Data.color[x][y+1] = TYPE6_COLOR;
			Data.color[x+1][y+1] = TYPE6_COLOR;
			Data.color[x+2][y+1] = TYPE6_COLOR;
			break;
		case 2:
			Data.color[x][y] = TYPE6_COLOR;
			Data.color[x+1][y] = TYPE6_COLOR;
			Data.color[x][y+1] = TYPE6_COLOR;
			Data.color[x][y+2] = TYPE6_COLOR;
			break;
		case 3:
			Data.color[x][y] = TYPE6_COLOR;
			Data.color[x+1][y] = TYPE6_COLOR;
			Data.color[x+2][y] = TYPE6_COLOR;
			Data.color[x+2][y+1] = TYPE6_COLOR;
			break;
		}

	}

	@Override
	public int getDirection() {
		return direction;
	}

	@Override
	public int getX() {
		return x;
	}

	@Override
	public int getY() {
		return y;
	}

	@Override
	public boolean move(int xChange, int yChange) {
		int tempX = x + xChange;
		int tempY = y + yChange; 
		nullMe();
		boolean flag = false;
		switch(direction){
		case 0:
			if( tempX-1 >= 0 
					&& tempX < Attribute.COL_NUM 
					&& tempY >= 0 
					&& tempY+2 <Attribute.ROW_NUM )
				if( Data.color[tempX][tempY] == null 
						&&Data.color[tempX][tempY+1] == null 
						&&Data.color[tempX][tempY+2] == null 
						&&Data.color[tempX-1][tempY+2] == null ){
					x = tempX;
					y = tempY;
					flag =true;
				}
			break;
		case 1:
			if( tempX >= 0 
					&& tempX + 2 < Attribute.COL_NUM 
					&& tempY >= 0 
					&& tempY+1 <Attribute.ROW_NUM )
				if( Data.color[tempX][tempY] == null 
						&&Data.color[tempX][tempY+1] == null 
						&&Data.color[tempX+1][tempY+1] == null 
						&&Data.color[tempX+2][tempY+1] == null ){
					x = tempX;
					y = tempY;
					flag =true;
				}

			break;
		case 2:
			if( tempX >= 0 
					&& tempX+1 < Attribute.COL_NUM 
					&& tempY >= 0 
					&& tempY+2 <Attribute.ROW_NUM )
				if( Data.color[tempX][tempY] == null 
						&&Data.color[tempX+1][tempY] == null 
						&&Data.color[tempX][tempY+1] == null 
						&&Data.color[tempX][tempY+2] == null ){
					x = tempX;
					y = tempY;
					flag =true;
				}

			break;
		case 3:
			if( tempX >= 0 
					&& tempX+2 < Attribute.COL_NUM 
					&& tempY >= 0 
					&& tempY+1 <Attribute.ROW_NUM )
				if( Data.color[tempX][tempY] == null 
						&&Data.color[tempX+1][tempY] == null 
						&&Data.color[tempX+2][tempY] == null 
						&&Data.color[tempX+2][tempY+1] == null ){
					x = tempX;
					y = tempY;
					flag =true;
				}

			break;
		}
		draw();
		return flag;
	}

	@Override
	protected void nullMe() {
		switch(direction){
		case 0:
			Data.color[x][y] = null;
			Data.color[x][y+1] = null;
			Data.color[x][y+2] = null;
			Data.color[x-1][y+2] = null;
			break;
		case 1:
			Data.color[x][y] = null;
			Data.color[x][y+1] = null;
			Data.color[x+1][y+1] = null;
			Data.color[x+2][y+1] = null;
			break;
		case 2:
			Data.color[x][y] = null;
			Data.color[x+1][y] = null;
			Data.color[x][y+1] = null;
			Data.color[x][y+2] = null;
			break;
		case 3:
			Data.color[x][y] = null;
			Data.color[x+1][y] = null;
			Data.color[x+2][y] = null;
			Data.color[x+2][y+1] = null;
			break;
		}
	}

	@Override
	public boolean reachBottom() {
		switch(direction){
		case 0:
			if( y+3 >= Attribute.ROW_NUM
					|| Data.color[x-1][y+3] != null 
					|| Data.color[x][y+3] != null )
				return true;
			break;
		case 1:
			if( y+2 >= Attribute.ROW_NUM 
					|| Data.color[x][y+2] != null 
					|| Data.color[x+1][y+2] != null 
					|| Data.color[x+2][y+2] != null )
				return true;
			break;
		case 2:
			if( y+3 >= Attribute.ROW_NUM
					||Data.color[x][y+3] != null 
					||Data.color[x+1][y+1] != null )
				return true;
			break;
		case 3:
			if( y+2 >= Attribute.ROW_NUM 
					|| Data.color[x][y+1] != null 
					|| Data.color[x+1][y+1] != null 
					|| Data.color[x+2][y+2] != null )
				return true;
			break;
		}
		return false;
	}

	@Override
	public void setDirection() {
		switch(direction){
		case 0:
			if( x + 2 < Attribute.COL_NUM 
					&& Data.color[x+1][y+1] == null 
					&& Data.color[x+2][y+1] == null )
				direction = 1;
			break;
		case 1:
			if( y +2 < Attribute.ROW_NUM 
					&& Data.color[x+1][y] == null 
					&& Data.color[x][y+2] == null )
				direction = 2;
			break;
		case 2:
			if(x+2 < Attribute.COL_NUM 
					&& Data.color[x+2][y] == null 
					&& Data.color[x+2][y+1] == null )
				direction = 3;
			break;
		case 3:
			if( x-1 >= 0 
					&& y+1 < Attribute.ROW_NUM 
					&& Data.color[x][y+1] == null 
					&& Data.color[x][y+2] == null 
					&& Data.color[x-1][y+2] == null )
				direction = 0;
			break;
		}


	}

	@Override
	public void setX(int x) {
		switch(direction){
		case 0:
			if( x-1 >= 0 && x < Attribute.COL_NUM )
				this.x = x;
			break;
		case 1:
			if( x>= 0 && x+1 < Attribute.COL_NUM )
				this.x = x ;
			break;
		case 2:
			if( x >= 0 && x+1 < Attribute.COL_NUM )
				this.x = x;
			break;
		case 3:
			if( x>= 0 && x+2 < Attribute.COL_NUM )
				this.x = x;
			break;
		}
	}

	@Override
	public void setY(int y) {
		switch(direction){
		case 0:
			if( y>= 0 && y+2 < Attribute.ROW_NUM )
				this.y = y ;
			
			break;
		case 1:
			if( y >= 0 && y+1 < Attribute.ROW_NUM )
				this.y = y;
			break;
		case 2:
			if( y >= 0 && y+2 < Attribute.ROW_NUM )
				this.y = y; 
			break;
		case 3:
			if( y >= 0 && y+1 < Attribute.ROW_NUM )
				this.y = y ;
			break;
		}
	}
}