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package model;
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import java.util.TimerTask;
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import java.util.Timer;
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import util.Constant;
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import view.GameCanvas;
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import view.MyFrame;
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/**
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* 由 4 * 4 个方格（Box）构成一个块， 控制块的移动、下落、变形等
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*/
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public class Block {
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private GameCanvas gc;//画布
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private Box[][] boxs = new Box[4][4];
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// public static int[][] yinying=new int[4][4];
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public int y, x;
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public int style;
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public int newH = 0;
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public int newL = 0;
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private static int st = 7;//默认属于初级
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public boolean isAlive = false;//判断方块是否存活
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public boolean pausing = false;//暂停为假
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/**
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* 设置方块数量
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*/
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public static void set_addl(int a) {
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Block.st = a;
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}
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/**
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* 获取方块数量
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*/
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public static int get_addl() {
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return st;
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}
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/**
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* 空构造函数
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*/
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public Block() {
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}
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/**
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* 构造函数，产生一个特定的块
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*
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* @param style
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* 块的样式，对应STYLES的28个值中的一个
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* @param y
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* 起始位置，左上角在canvas中的坐标行
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* @param x
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* 起始位置，左上角在canvas中的坐标列
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* @param level
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* 游戏等级，控制块的下落速度
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* @param canvas
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* 画板
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*/
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public Block(int style, int y, int x, GameCanvas gc) {
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this.style = style;
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this.y = y;
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this.x = x;
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this.gc = gc;
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// this.high=high;
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int key = 0x8000;// 匹配器
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// 获得一种方块
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for (int i = 0; i < boxs.length; i++) {
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for (int j = 0; j < boxs[i].length; j++) {
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boolean isColor = ((style & key) != 0);
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boxs[i][j] = new Box(isColor);
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key >>= 1;
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}
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}
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display();// 调用显示函数
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}
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/**
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* 将当前块从画布的对应位置移除，要等到下次重画画布时才能反映出来
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*/
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public void earse() {
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for (int i = 0; i < 4; i++) {
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for (int j = 0; j < 4; j++) {
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if (boxs[i][j].isColorBox()) {
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Box box = gc.getBox(i + y, j + x);
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if (box == null)
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continue;
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box.setColor(false);
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}
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}
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}
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}
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/**
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* 让当前块放置在画布的对应位置上，要等到下次重画画布时才能看见
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*/
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public void display() {
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for (int i = 0; i < 4; i++) {
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for (int j = 0; j < 4; j++) {
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if (boxs[i][j].isColorBox()) {
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Box box = gc.getBox(y + i, x + j);// 获得在游戏界面的位置
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if (box == null)
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continue;
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else
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box.setColor(true);
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}
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}
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}
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}
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/**
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* 左移方法
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*/
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public void moveLeft() {
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newL = x - 1;
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newH = y;
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if (isMoveAble(newH, newL) && !pausing) {
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earse();
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x--;
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display();
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gc.repaint();
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}
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}
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/**
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* 右移方法
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*/
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public void moveRight() {
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newL = x + 1;
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newH = y;
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if (isMoveAble(newH, newL) && !pausing) {
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earse();
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x++;
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display();
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gc.repaint();
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}
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}
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/**
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* 向下加速
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*/
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public void moveDown() {
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newL = x;
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newH = y + 1;
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if (pausing == true)
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return;
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if (isMoveAble(newH, newL)) {
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earse();
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y++;
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display();
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gc.repaint();
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} else {
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isAlive = false;
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// mytask.cancel();
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}// 取消定时器任务
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}
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/**
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* 瞬间到达底部
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*/
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public void quickDown() {
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newL = x;
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newH = y + 1;
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while (isMoveAble(newH, newL)) {
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earse();
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y++;
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display();
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gc.repaint();
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newL = x;
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newH = y + 1;
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}
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isAlive = false;
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}
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/* *//**
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* 阴影实现
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*//*
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public void yy() {
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int yy = y;
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newL = x;
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newH = yy + 1;
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while (isMoveAble(newH, newL)) {
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earse();
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yy++;
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display();
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newL = x;
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newH = yy + 1;
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}
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earse();
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for (int i = 0; i < 4; i++) {
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for (int j = 0; j < 4; j++) {
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if (boxs[i][j].isColorBox() == true)
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yinying[i][j]=yy+j;
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}
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}
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}*/
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/**
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* 旋转功能的实现
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*/
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public void moveUp() {
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earse();
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if (pausing == true)
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return;
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if (isChangeAble()) {
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// 获取下一形态
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int key = 0x8000;
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for (int a = 0; a < 4; a++) {
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for (int b = 0; b < 4; b++) {
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boolean isColor = ((this.style & key) != 0);
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boxs[a][b].setColor(isColor);
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key >>= 1;
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}
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}
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display();
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gc.repaint();
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}
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}
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/**
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*
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* 判断是否可以移动 获取下个位置是否为空，或者已经是有颜色的
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*/
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public boolean isMoveAble(int newH, int newL) {
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earse();
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for (int i = 0; i < 4; i++) {
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for (int j = 0; j < 4; j++) {
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if (boxs[i][j].isColorBox()) {
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Box box = gc.getBox(newH + i, newL + j);
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if (box == null || (box.isColorBox())) {
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display();// 显示原先的位置
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return false;
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}
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}
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}
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}
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display();
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return true;
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}
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/**
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* 判断是否可以进行变形
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*/
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private boolean isChangeAble() {
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int key = 0x8000;
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int newStyle = 0;
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earse();
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for (int i = 0; i < st; i++) {
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for (int j = 0; j < 4; j++) {
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if (Constant.STYLES[i][j] == this.style) {
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newStyle = Constant.STYLES[i][(j + 1) % 4];// 取得下一个状态
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break;
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}
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// display();
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}
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}
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// 判断此状态在游戏界面上显示是否有障碍
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for (int a = 0; a < boxs.length; a++) {
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for (int b = 0; b < boxs[a].length; b++) {
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if ((newStyle & key) != 0) {
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Box box = gc.getBox(y + a, x + b);
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if (box == null || box.isColorBox()) {
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// display();
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return false;
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}
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}
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key >>= 1;
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}
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}
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this.style = newStyle;
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return true;
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}
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/**
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* 暂停
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*/
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public void pause() {
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// TODO Auto-generated method stub
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if (MyFrame.playing == true) {
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pausing = true;
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// isMoveAble(newH, newL);
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gc.pau = true;
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gc.repaint();
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}
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}
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/**
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* 继续
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*/
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public void jixu() {
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if (MyFrame.playing == true) {
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pausing = false;
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gc.pau = false;
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gc.repaint();
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;
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}
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}
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}
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