package com.yimeng.mygame;
import java.util.ArrayList;
import java.util.List;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.Point;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.widget.GridLayout;
public class GameView extends GridLayout {
// 构造方法，初始界面
public GameView(Context context) {
super(context);
initGameView();
}
// 构造方法，初始界面
public GameView(Context context, AttributeSet attrs) {
super(context, attrs);
initGameView();
}
// 构造方法，初始界面
public GameView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
initGameView();
}
// 界面初始方法
private void initGameView() {
setColumnCount(4);
setBackgroundColor(0xffbbada0);// bbada0a1debe
setOnTouchListener(new View.OnTouchListener() {
private float startX, startY, offsetX, offsetY;
@Override
public boolean onTouch(View arg0, MotionEvent arg1) {
switch (arg1.getAction()) {
case MotionEvent.ACTION_DOWN:
startX = arg1.getX();
startY = arg1.getY();
break;
case MotionEvent.ACTION_UP:
offsetX = arg1.getX() - startX;
offsetY = arg1.getY() - startY;
if (Math.abs(offsetX) > Math.abs(offsetY)) {
if (offsetX < -5) {
swipeLeft();
} else if (offsetX > 5) {
swipeRight();
}
} else {
if (offsetY < -5) {
swipeUp();
} else if (offsetY > 5) {
swipeDown();
}
}
break;
default:
break;
}
return true;
}
});
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
int cardWidth = (Math.min(w, h) - 10) / 4;
addCards(cardWidth, cardWidth);
startGame();
}
private void addCards(int cardWidth, int cardHeight) {
Card c;
for (int y = 0; y < 4; y++) {
for (int x = 0; x < 4; x++) {
c = new Card(getContext());
c.setNum(0);
addView(c, cardWidth, cardHeight);
cardMap[x][y] = c;
}
}
}
private void startGame() {
MainActivity.getMainActivity().clearScore();
for (int y = 0; y < 4; y++) {
for (int x = 0; x < 4; x++) {
cardMap[x][y].setNum(0);
}
}
addRandomNum();
addRandomNum();
}
private void addRandomNum() {
emptyPionts.clear();
for (int y = 0; y < 4; y++) {
for (int x = 0; x < 4; x++) {
if (cardMap[x][y].getNum() <= 0) {
emptyPionts.add(new Point(x, y));
}
}
}
Point p = emptyPionts
.remove((int) (Math.random() * emptyPionts.size()));
cardMap[p.x][p.y].setNum(Math.random() > 0.1 ? 2 : 4);
}
private void swipeLeft() {
boolean merg = false;
for (int y = 0; y < 4; y++) {
for (int x = 0; x < 4; x++) {
for (int x1 = x + 1; x1 < 4; x1++) {
if (cardMap[x1][y].getNum() > 0) {
if (cardMap[x][y].getNum() <= 0) {
cardMap[x][y].setNum(cardMap[x1][y].getNum());
cardMap[x1][y].setNum(0);
x--;
merg = true;
} else if (cardMap[x][y].equals(cardMap[x1][y])) {
cardMap[x][y].setNum(cardMap[x][y].getNum() * 2);
cardMap[x1][y].setNum(0);
MainActivity.getMainActivity().addScore(
cardMap[x][y].getNum());
merg = true;
}
break;
}
}
}
}
if (merg) {
addRandomNum();
checkComplete();
}
}
private void swipeRight() {
boolean merg = false;
for (int y = 0; y < 4; y++) {
for (int x = 3; x >= 0; x--) {
for (int x1 = x - 1; x1 >= 0; x1--) {
if (cardMap[x1][y].getNum() > 0) {
if (cardMap[x][y].getNum() <= 0) {
cardMap[x][y].setNum(cardMap[x1][y].getNum());
cardMap[x1][y].setNum(0);
x++;
merg = true;
} else if (cardMap[x][y].equals(cardMap[x1][y])) {
cardMap[x][y].setNum(cardMap[x][y].getNum() * 2);
cardMap[x1][y].setNum(0);
MainActivity.getMainActivity().addScore(
cardMap[x][y].getNum());
merg = true;
}
break;
}
}
}
}
if (merg) {
addRandomNum();
checkComplete();
}
}
private void swipeUp() {
boolean merg = false;
for (int x = 0; x < 4; x++) {
for (int y = 0; y < 4; y++) {
for (int y1 = y + 1; y1 < 4; y1++) {
if (cardMap[x][y1].getNum() > 0) {
if (cardMap[x][y].getNum() <= 0) {
cardMap[x][y].setNum(cardMap[x][y1].getNum());
cardMap[x][y1].setNum(0);
y--;
merg = true;
} else if (cardMap[x][y].equals(cardMap[x][y1])) {
cardMap[x][y].setNum(cardMap[x][y].getNum() * 2);
cardMap[x][y1].setNum(0);
MainActivity.getMainActivity().addScore(
cardMap[x][y].getNum());
merg = true;
}
break;
}
}
}
}
if (merg) {
addRandomNum();
checkComplete();
}
}
private void swipeDown() {
boolean merg = false;
for (int x = 0; x < 4; x++) {
for (int y = 3; y >= 0; y--) {
for (int y1 = y - 1; y1 >= 0; y1--) {
if (cardMap[x][y1].getNum() > 0) {
if (cardMap[x][y].getNum() <= 0) {
cardMap[x][y].setNum(cardMap[x][y1].getNum());
cardMap[x][y1].setNum(0);
y++;
merg = true;
} else if (cardMap[x][y].equals(cardMap[x][y1])) {
cardMap[x][y].setNum(cardMap[x][y].getNum() * 2);
cardMap[x][y1].setNum(0);
MainActivity.getMainActivity().addScore(
cardMap[x][y].getNum());
merg = true;
}
break;
}
}
}
}
if (merg) {
addRandomNum();
checkComplete();
}
}
public void checkComplete() {
boolean complete = true;
All: for (int y = 0; y < 4; y++) {
for (int x = 0; x < 4; x++) {
if (cardMap[x][y].getNum() == 0
|| (x > 0 && cardMap[x][y].equals(cardMap[x - 1][y]))
|| (x < 3 && cardMap[x][y].equals(cardMap[x + 1][y]))
|| (y > 0 && cardMap[x][y].equals(cardMap[x][y - 1]))
|| (y < 3 && cardMap[x][y].equals(cardMap[x][y + 1]))) {
complete = false;
break All;
}
}
}
if (complete) {
new AlertDialog.Builder(getContext())
.setTitle("游戏结束！")
.setMessage(
"得分：" + MainActivity.getMainActivity().getScore())
.setPositiveButton("重新挑战",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface arg0,
int arg1) {
startGame();
}
}).show();
}
}
private Card[][] cardMap = new Card[4][4];
private List<Point> emptyPionts = new ArrayList<Point>();
}
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