package entities;

import java.awt.Color;
import java.awt.Graphics;

import util.Global;



public class Block 
{
	/**
	 * 变形(旋转)
	 */
	public static final int ROTATE = 5;
	/**
	 * 上移
	 */
	public static final int UP = 1;
	/**
	 * 下落
	 */
	public static final int DOWN = 2;
	/**
	 * 左移
	 */
	public static final int LEFT = 3;
	/**
	 * 右移
	 */
	public static final int RIGHT = 4;
	
	private int[][][] body = null;
	private Color color;
	private int rotate;
	private int px,py;
	/**
	 * 左上角的位置
	 */
	private int left;
	private int top;
	
	/**下落速度*/
	private int speed;
	
	/**
	 * 图形的真实高度
	 */
	private int height;
	/**
	 * 图形的真实宽度
	 */
	private int width;
	
	/**当图形为下一个的时候的X和Y坐标,单位：像素*/
	private int staticX,staticY;
	
	public Block(int[][][] body, int rotate, Color color)
	{
		this.body =body;
		this.rotate =rotate;
		this.color = color;
		init();
	}
	
	public void init()
	{
		//求图形高度和宽度
		setBlockW_H();
		left = Global.RIGHTCONTAINER_WIDTH/2-2;
		top = 0 - height;
		speed = Global.DOWN_SPEED;
		staticX = Global.LEFTCONTAINER_X+(Global.LEFTCONTAINER_WIDTH-width)/2*Global.CELL_WIDTH;
		staticY = Global.LEFTCONTAINER_Y+(Global.LEFTCONTAINER_HEIGHT-height)/2*Global.CELL_WIDTH;
	}
	

	/**旋转图形*/
	public void rotBlock()
	{
		rotate = (rotate+1)%body.length;
		//旋转后重新得到宽度和高度
		setBlockW_H();
	}
	
	/**求得图形的宽度和高度，单位：格*/
	public void setBlockW_H()
	{
		height =0;
		width  =0;
		int temp =0;
		for(int i=0;i<body[rotate].length;i++)
		{
			for(int j=0;j<body[rotate][i].length;j++)
			{
				//如果 i 和 j是图像中的格子
				if(body[rotate][i][j]==1)
				{
					height = i+1;
					temp = j+1;
					width = width>temp?width:temp;
				}
//				if(body[rotate][i][j]==1)
//				{
//					
//					height = height+1;
//					break;//跳出内循环
//				}
			}
		}
	}
	
	
	
	public void moveUp() {
		top--;
	}

	/**
	 * 向下移动
	 */
	public void moveDown() {
		top++;
	}

	/**
	 * 向左移动
	 */
	public void moveLeft() {
		left--;
	}

	/**
	 * 向右移动
	 */
	public void moveRight() {
		left++;
	}
	
	 
	
	/**
	 * 画小砖块
	 * 
	 * @param px
	 *            x坐标
	 * @param py
	 *            y坐标
	 * @param color
	 *            颜色
	 */
	public void drawCell(Graphics g,int px, int py, Color color)
	{
		//画小方块
		g.setColor(color);
		g.fillRect(px,py,Global.CELL_WIDTH,Global.CELL_HEIGHT);
		// 画白边
		g.setColor(Global.COLOR_WHITE);
		g.drawRect(px, py, Global.CELL_WIDTH-1, Global.CELL_HEIGHT-1);
	}
	
	/**画下坠的方块*/
	public void drawBlock(Graphics g)
	{
		for(int i=0;i<body[rotate].length;i++)
		{
			for(int j =0;j<body[rotate][i].length;j++)
			{
				if(body[rotate][i][j]==1)
				{
					//i是行数，j是列数
					drawCell(g,Global.RIGHTCONTAINER_X+(left+j)*Global.CELL_WIDTH,Global.RIGHTCONTAINER_Y+(top+i)*Global.CELL_HEIGHT,color);
				}
			}
		}
	}
	
	
	/**如果方块是下一个方块时调用此方法
	 * （画静止的方块）
	 * */
	public void drawStaticBlock(Graphics g)
	{
		for(int i=0;i<body[rotate].length;i++)
		{
			for(int j =0;j<body[rotate][i].length;j++)
			{
				if(body[rotate][i][j]==1)
				{
					//i是行数，j是列数
					drawCell(g,staticX+j*Global.CELL_WIDTH,staticY+i*Global.CELL_HEIGHT,color);
				}
			}
		}
	}

	public int getLeft()
	{
		return left;
	}

	public void setLeft(int left)
	{
		this.left = left;
	}

	public int getTop()
	{
		return top;
	}

	public void setTop(int top)
	{
		this.top = top;
	}

	public int getHeight()
	{
		return height;
	}

	public void setHeight(int height)
	{
		this.height = height;
	}

	public int getWidth()
	{
		return width;
	}

	public void setWidth(int width)
	{
		this.width = width;
	}

	public int[][][] getBody()
	{
		return body;
	}

	public void setBody(int[][][] body)
	{
		this.body = body;
	}

	public int getRotate()
	{
		return rotate;
	}

	public void setRotate(int rotate)
	{
		this.rotate = rotate;
	}
	
}