最近看了鸿洋大牛的五子棋教程，受益匪浅，讲的非常好，关于五子棋的游戏原理非常清楚，并且学到了不少知识，在这里感谢鸿洋大神的分享。
我觉得我的源码注释写的非常清楚了，希望能给你带来不少的收获。
点击获取源码下载地址 布局
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@mipmap/bg"
android:paddingTop="80dp"
android:orientation="vertical"
tools:context="com.yaodan.fivechessdemo.MainActivity">
android:id="@+id/custon_chess_main"
android:layout_width="match_parent"
android:layout_height="match_parent" />
自定义View的工具类
package com.yaodan.fivechessdemo.view;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Point;
import android.os.Bundle;
import android.os.Parcelable;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import com.yaodan.fivechessdemo.R;
import com.yaodan.fivechessdemo.contral.IsChessWin;
import java.util.ArrayList;
/**
* Created by swk on 2016/12/5.
*/
public class ChessView extends View {
private int mPanelWith; //棋盘的宽度(棋盘使方形的)
private float mLineHeigth; //棋盘每一个空格的高度
private int MAX_LINE = 10; //棋盘的行数
private Paint mPint = new Paint(); //创建画笔
private Bitmap wPieces; //白棋
private Bitmap bPieces; //黑棋
private ArrayList wPoints = new ArrayList<>(); //白棋坐标的集合
private ArrayList bPoints = new ArrayList<>(); //黑棋坐标的集合
private float radioPoeces = 1.0f * 3 / 4; //棋子与棋格的大小比例
private boolean mIsWitch = true; //判断是否白子画在棋盘上
private boolean isGameOver = false; //判读是否游戏结束
private Context mContext;
private IsChessWin isChessWin; //一个用来处理胜利与否的逻辑
private String TAG = "CHESSVIEW";
public ChessView(Context context) {
super(context);
mContext = context;
init();
}
public ChessView(Context context, AttributeSet attrs) {
super(context, attrs);
mContext = context;
init();
}
public ChessView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
mContext = context;
init();
}
/**
* 再来一局方法
*/
public void myreStart() {
wPoints.clear();
bPoints.clear();
isGameOver = false;
Log.i(TAG, "myreStart: " + wPoints.size() + ":::" + bPoints.size());
invalidate();
}
/**
* 初始化
*/
public void init() {
//设置画笔的颜色
mPint.setColor(Color.BLACK);
//设置抗锯齿功能(图像边缘相对清晰一点，锯齿痕迹不那么明显)
mPint.setAntiAlias(true);
//设置防抖动功能(使图像更柔和一点)
mPint.setDither(true);
//设置画笔的风格为空心
mPint.setStyle(Paint.Style.STROKE);
//获取棋子的资源文件
wPieces = BitmapFactory.decodeResource(getResources(), R.drawable.stone_w2);
bPieces = BitmapFactory.decodeResource(getResources(), R.drawable.stone_b1);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
/**
* 获取view的宽度和mode
* mode分为：
* EXACTLY：EXACTLY是精确尺寸，当我们将控件的layout_width或layout_height指定为具体数值时如andorid:layout_width="50dip"，或者为FILL_PARENT是，都是控件大小已经确定的情况，都是精确尺寸。
* AT_MOST：最大尺寸，当控件的layout_width或layout_height指定为WRAP_CONTENT时，控件大小一般随着控件的子空间或内容进行变化，此时控件尺寸只要不超过父控件允许的最大尺寸即可。
因此，此时的mode是AT_MOST，size给出了父控件允许的最大尺寸。
* UNSPECIFIED：未指定尺寸，这种情况不多，一般都是父控件是AdapterView，通过measure方法传入的模式
*/
int widthSize = MeasureSpec.getSize(widthMeasureSpec);
int widthMode = MeasureSpec.getMode(widthMeasureSpec);
int heightSize = MeasureSpec.getSize(heightMeasureSpec);
int heightMode = MeasureSpec.getMode(heightMeasureSpec);
//由于棋盘是正方形，所以要从长和宽选取最短的
int width = Math.min(widthSize, heightSize);
//如果上方有一个是UNSPECIFIED，相对应的有一个尺寸是0，如果有一个是0，那么width就是0显示不出来
if (widthMode == MeasureSpec.UNSPECIFIED) {
width = heightSize;
} else if (heightMode == MeasureSpec.UNSPECIFIED) {
width = widthSize;
}
//设置实际的长和宽设置上去
setMeasuredDimension(width, width);
}
/**
* 当view的尺寸改变时，会回掉这个方法
*
* @param w
* @param h
* @param oldw
* @param oldh
*/
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
mPanelWith = w;
mLineHeigth = mPanelWith * 1.0f / MAX_LINE;
int piecesWidth = (int) (mLineHeigth * radioPoeces);
//按照以前存在的位图按照一定的比例构建一个新的位图
wPieces = Bitmap.createScaledBitmap(wPieces, piecesWidth, piecesWidth, true);
bPieces = Bitmap.createScaledBitmap(bPieces, piecesWidth, piecesWidth, true);
}
/**
* 获取坐标的集合
*
* @param event
* @return
*/
@Override
public boolean onTouchEvent(MotionEvent event) {
isGameOver = isChessWin.isGameOverMethod(wPoints, bPoints);
if (isGameOver) {
showDialog();
return false;
}
int action = event.getAction();
if (action == MotionEvent.ACTION_UP) {
int x = (int) event.getX();
int y = (int) event.getY();
Point point = getSimulatePoint(x, y);
//如果黑棋的集合或者白棋的集合包含这个坐标，那么返回false
//contains和eequals比较的不是内存空间的地址，而是x,y值是否一致
if (wPoints.contains(point) || bPoints.contains(point)) {
return false;
}
if (mIsWitch) {
wPoints.add(point);
} else {
bPoints.add(point);
}
mIsWitch = !mIsWitch;
//刷新View
invalidate();
return true;
}
return true;
}
/**
* 根据真实的坐标模拟出绝对值坐标
*
* @param x
* @param y
* @return
*/
public Point getSimulatePoint(int x, int y) {
return new Point((int) (x / mLineHeigth), (int) (y / mLineHeigth));
}
/**
* 显示白棋或者黑棋获胜的提示的对话框
*/
public void showDialog() {
String successText = isChessWin.isWhiteWinFlag() ? "白棋获胜！
" : "黑棋获胜！
";
new AlertDialog.Builder(mContext)
.setMessage("恭喜" + successText + ",是否再来一局？
")
.setCancelable(false)
.setPositiveButton("确定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
myreStart();
}
})
.setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
}
})
.show();
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
drawBoard(canvas);
drawPieces(canvas);
//下面的实例用来判断是否胜利
isChessWin = new IsChessWin(mContext);
isGameOver = isChessWin.isGameOverMethod(wPoints, bPoints);
//判断是否结束游戏
if(isGameOver){
showDialog();
}
}
/**
* 画棋盘的线
*
* @param canvas
*/
public void drawBoard(Canvas canvas) {
int w = mPanelWith;
float lineHeight = mLineHeigth;
//画十条线
for (int i = 0; i < MAX_LINE; i++) {
//设置起点横坐标为半个棋盘空格的宽度
int startX = (int) (lineHeight / 2);
//设置终点X横坐标为宽度减去半个lineHeight(棋盘空格宽度)
int endX = (int) (w - lineHeight / 2);
int y = (int) ((0.5 + i) * lineHeight);
//画横线
canvas.drawLine(startX, y, endX, y, mPint);
//画纵线，坐标反过来
canvas.drawLine(y, startX, y, endX, mPint);
}
}
/**
* 画棋子
*/
public void drawPieces(Canvas canvas) {
Log.i(TAG, "drawPieces: " + wPoints.size() + ":::" + bPoints.size());
for (int i = 0; i < wPoints.size(); i++) {
Point point = wPoints.get(i);
//drawBitmap是将图片的右下角为坐标
canvas.drawBitmap(wPieces, ((point.x + (1 - radioPoeces) / 2) * mLineHeigth), (point.y + (1 - radioPoeces) / 2) * mLineHeigth, null);
}
for (int i = 0; i < bPoints.size(); i++) {
Point point = bPoints.get(i);
canvas.drawBitmap(bPieces, ((point.x + (1 - radioPoeces) / 2) * mLineHeigth), (point.y + (1 - radioPoeces) / 2) * mLineHeigth, null);
}
}
private static final String INSTANCE = "instance";
private static final String INSTANCE_GAMEOVER = "instance_gameover";
private static final String INSTANCE_WHITEARRAY = "instance_whitearray";
private static final String INSTANCE_BLACKARRAY = "instance_blackarray";
/**
* 当view因为某种原因（比如系统回收）销毁时，保存状态
*
* @return
*/
@Override
protected Parcelable onSaveInstanceState() {
Bundle bundle = new Bundle();
//保存系统默认状态
bundle.putParcelable(INSTANCE, super.onSaveInstanceState());
//保存是否游戏结束的值
bundle.putBoolean(INSTANCE_GAMEOVER, isGameOver);
//保存白棋的子数
bundle.putParcelableArrayList(INSTANCE_WHITEARRAY, wPoints);
//保存黑棋的子数
bundle.putParcelableArrayList(INSTANCE_BLACKARRAY, bPoints);
return bundle;
}
/**
* 取出保存的值
*
* @param state
*/
@Override
protected void onRestoreInstanceState(Parcelable state) {
if (state instanceof Bundle) {
Bundle bundle = (Bundle) state;
isGameOver = bundle.getBoolean(INSTANCE_GAMEOVER);
wPoints = bundle.getParcelableArrayList(INSTANCE_WHITEARRAY);
bPoints = bundle.getParcelableArrayList(INSTANCE_BLACKARRAY);
super.onRestoreInstanceState(bundle.getParcelable(INSTANCE));
return;
}
super.onRestoreInstanceState(state);
}
}
判断是否胜利的类
package com.yaodan.fivechessdemo.contral;
import android.content.Context;
import android.graphics.Point;
import java.util.List;
/**
* Created by swk on 2016/12/5.
* 判断是否胜利类
*/
public class IsChessWin {
private boolean isGameOver = false; //判断是否游戏结束
private boolean isWhiteWin; //判断是否白棋胜
private int MAX_NUMWIN = 5; //设置5子连在一起胜利
private int CURRENT_NUM = 0;
private Context mContext;
private boolean isRestart=false;
public IsChessWin(Context context) {
super();
mContext = context;
}
/**
* 判断是否胜利
* @param whitePoints
* @param blackPoints
* @return
*/
public boolean isGameOverMethod(List whitePoints, List blackPoints) {
boolean whiteWin = isWhiteWin(whitePoints);
boolean blackWin = isBlackWin(blackPoints);
if (whiteWin || blackWin) {
isGameOver = true;
isWhiteWin = whiteWin;
}
return isGameOver;
}
/**
* 返回是否白棋取胜
* @return
*/
public boolean isWhiteWinFlag(){
return isWhiteWin;
}
/**
* 判断是否白棋取胜
* @param points
* @return
*/
private boolean isWhiteWin(List points) {
if (isFiveConnect(points)) {
return true;
}
return false;
}
/**
* 判断是否黑棋取胜
* @param points
* @return
*/
private boolean isBlackWin(List points) {
if (isFiveConnect(points)) {
return true;
}
return false;
}
/**
* 判断是否五子连珠
* @param points
* @return
*/
private boolean isFiveConnect(List points) {
for (Point p : points) {
int x = p.x;
int y = p.y;
if (isHorizontalFive(x, y, points)) {
return true;
} else if (isVerticalFive(x, y, points)) {
return true;
} else if (isSkewFive(x, y, points)) {
return true;
}
}
return false;
}
/**
* 判断是否横向五子连珠
* @param x
* @param y
* @param points
* @return
*/
private boolean isHorizontalFive(int x, int y, List points) {
//判断横向向右是否练成5子,points里面存的值为int类型，所以可以进行加一或者减一的运算
for (int i = 0; i < MAX_NUMWIN; i++) {
if (points.contains(new Point(x + i, y))) {
CURRENT_NUM++;
} else {
break;
}
}
if (MAX_NUMWIN == CURRENT_NUM) {
return true;
} else {
CURRENT_NUM = 0;
}
//判断横向向左是否连成5子
for (int i = 0; i < MAX_NUMWIN; i++) {
if (points.contains(new Point(x - i, y))) {
CURRENT_NUM++;
} else {
break;
}
}
if (MAX_NUMWIN == CURRENT_NUM) {
return true;
} else {
CURRENT_NUM = 0;
}
return false;
}
/**
* 判断是否竖直五子连珠
* @param x
* @param y
* @param points
* @return
*/
private boolean isVerticalFive(int x, int y, List points) {
for (int i = 0; i < MAX_NUMWIN; i++) {
//判断向下是否5子连珠
if (points.contains(new Point(x, y + i))) {
CURRENT_NUM++;
} else {
break;
}
}
if (MAX_NUMWIN == CURRENT_NUM) {
return true;
} else {
CURRENT_NUM = 0;
}
//判断向上是否5子连珠
for (int i = 0; i < MAX_NUMWIN; i++) {
if (points.contains(new Point(x, y - i))) {
CURRENT_NUM++;
if (5 == CURRENT_NUM) {
return true;
}
} else {
CURRENT_NUM = 0;
break;
}
}
if (MAX_NUMWIN == CURRENT_NUM) {
return true;
} else {
CURRENT_NUM = 0;
}
return false;
}
/**
* 判断斜着是否五子连珠
* @param x
* @param y
* @param points
* @return
*/
private boolean isSkewFive(int x, int y, List points) {
//判断左斜下是否5子连珠
for (int i = 0; i < MAX_NUMWIN; i++) {
if (points.contains(new Point(x - i, y + i))) {
CURRENT_NUM++;
} else {
break;
}
}
if (MAX_NUMWIN == CURRENT_NUM) {
return true;
} else {
CURRENT_NUM = 0;
}
//判断左上是否5子连珠
for (int i = 0; i < MAX_NUMWIN; i++) {
if (points.contains(new Point(x - i, y - i))) {
CURRENT_NUM++;
} else {
break;
}
}
if (MAX_NUMWIN == CURRENT_NUM) {
return true;
} else {
CURRENT_NUM = 0;
}
//判断右上是否5子连珠
for (int i = 0; i < MAX_NUMWIN; i++) {
if (points.contains(new Point(x + i, y - i))) {
CURRENT_NUM++;
} else {
break;
}
}
if (MAX_NUMWIN == CURRENT_NUM) {
return true;
} else {
CURRENT_NUM = 0;
}
//判断右斜上是否5子连珠
for (int i = 0; i < MAX_NUMWIN; i++) {
if (points.contains(new Point(x + i, y - i))) {
CURRENT_NUM++;
} else {
break;
}
}
if(MAX_NUMWIN==CURRENT_NUM){
return true;
}else{
CURRENT_NUM=0;
}
//判断右斜下是否5子连珠
for (int i = 0; i < MAX_NUMWIN; i++) {
if (points.contains(new Point(x + i, y + i))) {
CURRENT_NUM++;
} else {
break;
}
}
if(MAX_NUMWIN==CURRENT_NUM){
return true;
}else{
CURRENT_NUM=0;
}
return false;
}
}
主方法的调用
package com.yaodan.fivechessdemo;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import com.yaodan.fivechessdemo.view.ChessView;
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
private Button btn_reatart;
private ChessView chessView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btn_reatart = (Button) findViewById(R.id.bt_restart);
chessView= (ChessView) findViewById(R.id.custon_chess_main);
btn_reatart.setOnClickListener(this);
}
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.bt_restart:
chessView.myreStart();
break;
}
}
}