public class wuziqiPanel extends View
{
private int mPanelWidth;
private float mlineHeight ;
private int MAX_LINE = 10 ;
private int MAX_COUNT_IN_LINE = 5;
private Paint mPanit = new Paint();
private Bitmap mWhitePiece ;
private Bitmap mBlackPiece ;
private float ratioPieceOfLineHeight = 3 * 1.0f / 4;
//白棋先手，当前轮到白棋
private boolean mIsWhite = true;
private List<Point> mWhiteArray = new ArrayList<>();
private List<Point> mBlackArray = new ArrayList<>();
private boolean mIsGameOver ;
private boolean mIsWhiteWinner ;
public wuziqiPanel(Context context, @Nullable AttributeSet attrs) {
super(context, attrs);
setBackgroundColor(0x44ff000);
init();
}
private void init()
{
mPanit.setColor(0x88000000);
mPanit.setAntiAlias(true);
mPanit.setDither(true);
mPanit.setStyle(Paint.Style.STROKE);
mWhitePiece = BitmapFactory.decodeResource(getResources(),R.drawable.stone_w2);
mBlackPiece = BitmapFactory.decodeResource(getResources(),R.drawable.stone_b1);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec)
{
int widthSize = MeasureSpec.getSize(widthMeasureSpec);
int widthMode = MeasureSpec.getMode(widthMeasureSpec);
int heightSize = MeasureSpec.getSize(heightMeasureSpec);
int heightMode = MeasureSpec.getMode(heightMeasureSpec);
int width = Math.min(widthSize, heightSize);
if(widthMode == MeasureSpec.UNSPECIFIED)
{
width = heightSize;
}else if (heightMode == MeasureSpec.UNSPECIFIED)
{
width = widthSize;
}
setMeasuredDimension(width,width);
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
mPanelWidth = w ;
mlineHeight = mPanelWidth *1.0f / MAX_LINE ;
int pieceWidth = (int) (mlineHeight * ratioPieceOfLineHeight);
mWhitePiece = Bitmap.createScaledBitmap(mWhitePiece, pieceWidth, pieceWidth,false);
mBlackPiece = Bitmap.createScaledBitmap(mBlackPiece, pieceWidth, pieceWidth,false);
}
@Override
public boolean onTouchEvent(MotionEvent event)
{
int action = event.getAction();
if (action == MotionEvent.ACTION_UP)
{
int x = (int) event.getX();
int y = (int) event.getY();
Point p = getValidpoint(x , y);
if (mWhiteArray.contains(p) || mBlackArray.contains(p))
{
return false;
}
if(mIsWhite)
{
mWhiteArray.add(p);
}else
{
mBlackArray.add(p);
}
invalidate();
mIsWhite = !mIsWhite;
}
return true;
}
private Point getValidpoint(int x, int y)
{
return new Point((int) (x / mlineHeight ), (int) ( y/mlineHeight));
}
@Override
protected void onDraw(Canvas canvas)
{
super.onDraw(canvas);
drawBoard(canvas);
drawPieces(canvas);
checkGameOver();
}
private void checkGameOver()
{
boolean whitewin = checkFiveInline(mWhiteArray);
boolean blackewin = checkFiveInline(mBlackArray);
if(whitewin || blackewin)
{
mIsGameOver = true;
mIsWhiteWinner = whitewin ;
String text = mIsWhiteWinner?"白棋胜利":"黑棋胜利";
Toast.makeText(getContext(), text, Toast.LENGTH_SHORT).show();
}
}
private boolean checkFiveInline(List<Point> points)
{
for (Point p : points)
{
int x = p.x ;
int y = p.x ;
boolean win = checkHorizontal(x, y, points);
if (win)return true;
win = checkVertical(x, y, points);
if (win)return true;
win = checkLeftDiagona(x, y, points);
if (win)return true;
win = checkRightDiagonal(x, y, points);
if (win)return true;
}
return false;
}
/**
* 判断x，y位置的棋子是否横向有相邻的五个一致。
* @param x
* @param y
* @param points
* @return
*/
private boolean checkHorizontal(int x, int y, List<Point> points)
{
int count = 1;
//左
for (int i = 1; i < MAX_COUNT_IN_LINE; i++)
{
if (points.contains(new Point(x - i, y)))
{
count++;
}else
{
break;
}
}
if (count == MAX_COUNT_IN_LINE) return true;
for (int i = 1; i < MAX_COUNT_IN_LINE; i++)
{
if (points.contains(new Point(x + i, y)))
{
count++;
}else
{
break;
}
}
if (count == MAX_COUNT_IN_LINE) return true;
return false;
}
private boolean checkVertical(int x, int y, List<Point> points)
{
int count = 1;
//上
for (int i = 1; i < MAX_COUNT_IN_LINE; i++)
{
if (points.contains(new Point(x , y-i)))
{
count++;
}else
{
break;
}
}
if (count == MAX_COUNT_IN_LINE) return true;
for (int i = 1; i < MAX_COUNT_IN_LINE; i++)
{
if (points.contains(new Point(x , y+i)))
{
count++;
}else
{
break;
}
}
if (count == MAX_COUNT_IN_LINE) return true;
return false;
}
private boolean checkRightDiagonal(int x, int y, List<Point> points)
{
int count = 1;
//右斜
for (int i = 1; i < MAX_COUNT_IN_LINE; i++)
{
if (points.contains(new Point(x-i , y-i)))
{
count++;
}else
{
break;
}
}
if (count == MAX_COUNT_IN_LINE) return true;
for (int i = 1; i < MAX_COUNT_IN_LINE; i++)
{
if (points.contains(new Point(x+i , y + i)))
{
count++;
}else
{
break;
}
}
if (count == MAX_COUNT_IN_LINE) return true;
return false;
}
private boolean checkLeftDiagona(int x, int y, List<Point> points)
{
int count = 1;
//左斜
for (int i = 1; i < MAX_COUNT_IN_LINE; i++)
{
if (points.contains(new Point(x-i , y+i)))
{
count++;
}else
{
break;
}
}
if (count == MAX_COUNT_IN_LINE) return true;
for (int i = 1; i < MAX_COUNT_IN_LINE; i++)
{
if (points.contains(new Point(x+i, y-i)))
{
count++;
}else
{
break;
}
}
if (count == MAX_COUNT_IN_LINE) return true;
return false;
}
private void drawPieces(Canvas canvas)
{
for(int i = 0 , n = mWhiteArray.size(); i < n ; i++)
{
Point whitePonit = mWhiteArray.get(i);
canvas.drawBitmap(mWhitePiece,
(whitePonit.x + (1 - ratioPieceOfLineHeight) / 2) * mlineHeight,
(whitePonit.y + (1 - ratioPieceOfLineHeight) / 2) * mlineHeight,null);
}
for(int i = 0 , n = mBlackArray.size(); i < n ; i++)
{
Point blackPonit = mBlackArray.get(i);
canvas.drawBitmap(mBlackPiece,
(blackPonit.x + (1 - ratioPieceOfLineHeight) / 2) * mlineHeight,
(blackPonit.y + (1 - ratioPieceOfLineHeight) / 2) * mlineHeight,null);
}
}
private void drawBoard(Canvas canvas)
{
int w = mPanelWidth ;
float lineHeight = mlineHeight ;
for (int i = 0; i < MAX_LINE ; i++)
{
int startX = (int) (lineHeight / 2);
int endX = (int) (w - lineHeight /2);
int y = (int) ((0.5 + i) * lineHeight);
canvas.drawLine(startX ,y , endX , y , mPanit);
canvas.drawLine(y , startX , y , endX , mPanit);
}
}
