Qt开发源码俄罗斯方块

1、-. z.俄罗斯方块游戏Main.cpp主程序代码:#include #include #include tetri*window.hint main(int argc, char *argv) / 为了能够正常显示中文，设置Tr编码环境为GB2312 (详见wiki) QTe*tCodec:setCodecForTr(QTe*tCodec:codecForName(GB2312); / app这个对象用于管理应用级别的资源 QApplication app(argc, argv); app.setStyleSheet(Tetri*Board background-color:lightGra

2、y); Tetri*Window window; window.setWindowIcon(QIcon(:/Chrome.ico); window.show(); / 当前时间作为随机种子 qsrand(QTime(0,0,0).secsTo(QTime:currentTime(); return app.e*ec(); / 程序的事件循环Tetri*board.h头文件代码:/ 主游戏区类#ifndef TETRI*BOARD_H#define TETRI*BOARD_H#include tetri*piece.h#include #include #include #include / 前

3、向声明class QLabel;class Tetri*Board : public QFrame Q_OBJECTpublic: Tetri*Board(QWidget *parent = 0); void setNe*tPieceLabel(QLabel *label); QSize sizeHint() const;/最适合大小 QSize minimumSizeHint() const; / 最小限制public slots: / 公有槽 void start(); void pause();signals: / 信号:只需声明,根据参数变化来判断 void scoreChanged(

4、int score); void levelChanged(int level); void linesRemovedChanged(int numLines);protected: / 着色、键盘、计时事件：其中着色事件随着update()不断触发 void paintEvent(QPaintEvent *event); void keyPressEvent(QKeyEvent *event); void timerEvent(QTimerEvent *event);private: enum BoardWidth = 10, BoardHeight = 22 ; / 把主游戏区宽分成10等

5、份，高分成22等份，也就是说每行有10小矩形，总共有22行 Tetri*Shape &shapeAt(int *, int y) return board(y * BoardWidth) + *; int timeoutTime() return 1000 / (1 + level); / contentsRect():返回当前布局(QLayout)的矩形,可访问其长、宽 (详见API) / conntentsRect().width()/BoardWidth 把游戏区矩形的宽分成了BoardWidth份 int squareWidth() return contentsRect().widt

6、h() / BoardWidth; / 同上，把高分成了BoardHeight份 int squareHeight() return contentsRect().height() / BoardHeight; / 此时squareWidth(),squareHeight()分别是分割后的小矩形宽和高 void clearBoard(); / 清屏 void dropDown(); / 下落事件 void oneLineDown();/ 下落一行 void pieceDropped(int dropHeight); void removeFullLines(); / 移除填满的行 void n

7、ewPiece(); / 新方块 void showNe*tPiece(); / 显示下一个方块 bool tryMove(const Tetri*Piece &newPiece, int new*, int newY); / 判断方块是否可以移动 void drawSquare(QPainter &painter, int *, int y, Tetri*Shape shape); / 着色 QBasicTimer timer; / 相当于QLabel *ne*tPieceLabel(QPointer详见API) QPointer ne*tPieceLabel; bool isStarted

8、; bool isPaused; bool isWaitingAfterLine; Tetri*Piece curPiece; / 当前方块 Tetri*Piece ne*tPiece; / 下一个方块 int cur*; int curY; int numLinesRemoved; int numPiecesDropped; int score; int level; Tetri*Shape boardBoardWidth * BoardHeight;#endif / TETRI*BOARD_HTetri*board.cpp程序代码:#include #include tetri*board

9、.hTetri*Board:Tetri*Board(QWidget *parent) : QFrame(parent) / 设置游戏区框架风格：浮雕 setFrameStyle(QFrame:Panel | QFrame:Sunken); / 增加游戏区键盘鼠标等事件的焦点集中 setFocusPolicy(Qt:StrongFocus); isStarted = false; / 初始化：未开场状态 isPaused = false; clearBoard(); / 初始清屏 ne*tPiece.setRandomShape(); / 下一方块获得一个随机形状/ tetri*piece.h

10、: tetri*piece.cpp中使用void Tetri*Board:setNe*tPieceLabel(QLabel *label) ne*tPieceLabel = label;/ 游戏区适宜大小QSize Tetri*Board:sizeHint() const return QSize(BoardWidth*15 + frameWidth()*2, BoardHeight*15 + frameWidth()*2);/ 游戏区最小大小QSize Tetri*Board:minimumSizeHint() const return QSize(BoardWidth*5 + frameW

11、idth()*2, BoardHeight*5 + frameWidth()*2);/ 开场事件:slotsvoid Tetri*Board:start() / 如果已暂停，则启动无效 if (isPaused) return; isStarted = true; / 标记已开场 isWaitingAfterLine = false; / 此参数为判断是否有方块正在下落，false为有方块正在下落中 / 初始各参数 numLinesRemoved = 0; numPiecesDropped = 0; score = 0; level = 1; clearBoard(); / 清屏 / emit

12、 信号发射：触发对应信号槽的函数(相关connect()在tetri*window.cpp中) emit linesRemovedChanged(numLinesRemoved); emit scoreChanged(score); emit levelChanged(level); newPiece(); / 调用新方块 timer.start(timeoutTime(), this);/ 游戏开场计时/ 暂停事件:slotsvoid Tetri*Board:pause() / 如果未开场，则暂停无效 if (!isStarted) return; / 否则，假设未暂停，则赋值为暂停，反之，

13、取消暂停，继续游戏 isPaused = !isPaused; if (isPaused) timer.stop(); / 游戏计时停顿 else timer.start(timeoutTime(), this); / 否则继续计时 update(); / 刷新窗口:动态显示画面/ 游戏区方块着色/ 重定义绘图事件，当调用update()时进展重绘void Tetri*Board:paintEvent(QPaintEvent *event) QFrame:paintEvent(event); QPainter painter(this); QRect rect = contentsRect()

14、; / QRect定义了平面上的矩形 (详见API),是主游戏区 / 暂停的时候显示的信息 if (isPaused) painter.drawTe*t(rect, Qt:AlignCenter, tr(游戏暂停); return; / BoardHeight*squareHeight() 相当于 contentsRect().Height(),是小网格的高 / 因为squareHeight() return contentsRect().Width()/BoardWidth(); / 见tetri*board.h中的定义 int boardTop = rect.bottom() - Boar

15、dHeight*squareHeight(); for (int i=0; iBoardHeight; +i) for (int j=0; jBoardWidth; +j) / Tetri*Shape &shapeAt(int *, int y) return board(y * BoardWidth) + *; Tetri*Shape shape = shapeAt(j, BoardHeight-i-1); if (shape != NoShape) / rect.left() 返回游戏区矩形左边的*坐标,squareWidth()为小网格的宽度 drawSquare(painter, re

16、ct.left() + j*squareWidth(), boardTop + i*squareHeight(), shape); / 绘图 if (curPiece.shape() != NoShape) for (int i=0; ikey() case Qt:Key_Left: tryMove(curPiece, cur*-1, curY); / 左移 break; case Qt:Key_Right: tryMove(curPiece, cur*+1, curY); / 右移 break; case Qt:Key_Up: tryMove(curPiece.rotatedLeft(),c

17、ur*,curY); / 方块左转 break; case Qt:Key_Down: dropDown(); / 快速下落 break; default: QFrame:keyPressEvent(event); / 计时时间void Tetri*Board:timerEvent(QTimerEvent *event) if (event-timerId() = timer.timerId() / 如果还有方块已下落完毕 if (isWaitingAfterLine) isWaitingAfterLine = false; / 重标记为有方块正在下落 newPiece(); / 添加新方块 (

18、timeoutTime(), this); else oneLineDown(); /否则进展下落动作 else QFrame:timerEvent(event); / 清空游戏区所有绘图void Tetri*Board:clearBoard() for (int i=0; i 0) if (!tryMove(curPiece,cur*,newY-1) break; -newY; +dropHeight; / 把下落高度传递给此函数 pieceDropped(dropHeight);/ 正常下落操作void Tetri*Board:oneLineDown() if (!tryMove(curP

19、iece, cur*,curY-1) / 如果能移动，则下落一行 pieceDropped(0);/ 正常下落不几分/ 进展方块下落后的行为，如绘图，加分等 参数：下落方块的高度void Tetri*Board:pieceDropped(int dropHeight) for (int i=0; i= 0; -i) bool lineIsFull = true; / 判断是否已满一行 for (int j=0; j BoardWidth; +j) if (shapeAt(j,i)=NoShape) lineIsFull = false; break; / 上面所有行下移 if (lineIsF

20、ull) +numFullLines; for(int k = i; k BoardHeight-1; +k) for (int j = 0; j BoardWidth; +j) shapeAt(j,k) = shapeAt(j, k+1); / 整行清零 for (int j = 0; j 0) numLinesRemoved += numFullLines; score += 10 * numFullLines; / 同时发送信号至相应的槽 emit linesRemovedChanged(numLinesRemoved); emit scoreChanged(score); (500,t

21、his); isWaitingAfterLine = true; curPiece.setShape(NoShape); update(); / 新方块void Tetri*Board:newPiece() curPiece = ne*tPiece; / 预先随机设置好一下块方块 ne*tPiece.setRandomShape(); showNe*tPiece(); / 设置其初始下落的位置，在游戏区顶部中央 cur* = BoardWidth / 2 + 1; curY = BoardHeight-1 + curPiece.minY(); / 判断其是否还能移动，如果不能，则停顿游戏 if

22、 (!tryMove(curPiece, cur*, curY) curPiece.setShape(NoShape);/ painter.drawTe*t(rect,tr(游戏完毕); timer.stop(); isStarted = false; / 展示下一个方块void Tetri*Board:showNe*tPiece() if (!ne*tPieceLabel) return; int d* = ne*tPiece.ma*() - ne*tPiece.min*() + 1; int dy = ne*tPiece.ma*Y() - ne*tPiece.minY() + 1; QPi

23、*map pi*map(d* *squareWidth(), dy*squareHeight(); /映射要显示方块像素 QPainter painter(&pi*map); / 开场绘制该方块 painter.fillRect(pi*map.rect(), ne*tPieceLabel-palette().background(); / 先绘制要显示方块的背风光 / 再开场绘制方块本身 for (int i = 0; i setPi*map(pi*map);/ 最后加载它/ 判断是否还能移动bool Tetri*Board:tryMove(const Tetri*Piece &newPiec

24、e, int new*, int newY) for (int i = 0; i 4; +i) int * = new* + newPiece.*(i); int y = newY - newPiece.y(i); if (* = BoardWidth | y = BoardHeight) return false; if (shapeAt(*,y) != NoShape) / 判断当前位置是否有其他方块 return false; curPiece = newPiece; cur* = new*; curY = newY; update(); return true;/ int square

25、Width() return contentsRect().width() / BoardWidth; / int squareHeight() return contentsRect().height() / BoardHeight; void Tetri*Board:drawSquare(QPainter &painter, int *,int y,Tetri*Shape shape) / google色彩 static const QRgb colorTable8 = 0*000000, 0*1851ce, 0*c61800, 0*efba00, 0*1851ce, 0*1ba823,

26、0*c61800, 0*606060 ; QColor color = colorTableint(shape); / 填充单元网格的颜色 / void fillRect(int *, int y, int width, int height, const QColor & color) painter.fillRect(* + 1, y + 1, squareWidth() - 2, squareHeight() - 2, color); painter.setPen(color.light(); / 左上角边框颜色 / void drawLine(int *1, int y1, int *

27、2, int y2) painter.drawLine(*, y + squareHeight() - 1, *, y); painter.drawLine(*, y, * + squareWidth() - 1, y); painter.setPen(color.dark(); / 右下角边框颜色 painter.drawLine(* + 1, y + squareHeight() - 1, * + squareWidth() - 1, y + squareHeight() - 1); painter.drawLine(* + squareWidth() - 1, y + squareHei

28、ght() - 1, * + squareWidth() - 1, y + 1);Tetri*piece.h头文件代码:/ 俄罗斯方块类：方块形状/旋转情况#ifndef TETRI*PIECE_H#define TETRI*PIECE_H/ 定义一个枚举类型(0-7):无形状、Z字形、S字形、直线形，T字形，田字形形、L字形，翻转L字形enum Tetri*Shape NoShape, ZShape,SShape,LineShape,TShape,SquareShape, LShape,MirroredLShape ;class Tetri*Piecepublic: Tetri*Piece(

29、) setShape(NoShape); / inline构造函数：初始设置成NoShape void setRandomShape(); / 设置随机规则 void setShape(Tetri*Shape shape); / 构造方块形状的数据构造 / 通过inline公有函数成员shape()访问私有数据成员pieceShape Tetri*Shape shape() const return pieceShape; int *(int inde*) const return coordsinde*0; int y(int inde*) const return coordsinde*1

30、; int min*() const; int ma*() const; int minY() const; int ma*Y() const; Tetri*Piece rotatedLeft() const; / 左转private: void set*(int inde*, int *) coordsinde*0 = *; void setY(int inde*, int y) coordsinde*1 = y; Tetri*Shape pieceShape; / 枚举类型创立一个该枚举类型对象 int coords42;#endif / TETRI*PIECE_HTetri*piece.

31、cpp程序代码:#include #include tetri*piece.h#include #include #include / 伪随机函数：利用当前系统时间增加随机性void Tetri*Piece:setRandomShape() /QTime time = QTime:currentTime(); /qsrand( time.msec() + time.second()*1000 );/ 重设随机种子：当前时间为随机变量 setShape(Tetri*Shape(qrand()%7 + 1); / 共六种方块形状void Tetri*Piece:setShape(Tetri*Sha

32、pe shape) / 按Tetri*Shape枚举顺序构建： / 除NoShape外,每个形状由4个小方块组成,这里每行的四个坐标即4个小方块的坐标，其中横向为*，纵向为Y / ZShape SShape LineShape TShape SquareShape LShape MirroredLShape/ -1 0 1 2 -1 0 1 2 -1 0 1 2 -1 0 1 2 -1 0 1 2 -1 0 1 2 -1 0 1 2/ -1 * -1 * -1 * -1 -1 -1 * * -1 * */ 0 * * 0 * * 0 * 0 * * * 0 * * 0 * 0 */ 1 * 1

33、 * 1 * 1 * 1 * * 1 * 1 */ 2 2 2 * 2 2 2 2 static const int coordsTable842 = 0, 0 , 0, 0 , 0, 0 , 0, 0 ,/ NoShape 0, -1 , 0, 0 , -1, 0 , -1, 1 , 0, -1 , 0, 0 , 1, 0 , 1, 1 , 0, -1 , 0, 0 , 0, 1 , 0, 2 , -1, 0 , 0, 0 , 1, 0 , 0, 1 , 0, 0 , 1, 0 , 0, 1 , 1, 1 , -1, -1 , 0, -1 , 0, 0 , 0, 1 , 1, -1 , 0,

34、 -1 , 0, 0 , 0, 1 ; for (int i=0; i4; i+) for (int j=0; j2; +j) coordsij = coordsTableshapeij; pieceShape = shape;/ 获取最小*坐标值,QtGlobal:qMinint Tetri*Piece:min*() const int min = coords00; for (int i = 1; i 4; +i) min = qMin(min, coordsi0); return min;/ 获取最大*坐标值,QtGlobal:qMa*int Tetri*Piece:ma*() cons

35、t int ma* = coords00; for (int i = 1; i 4; +i) ma* = qMa*(ma*, coordsi0); return ma*;/ 获取最小Y坐标值int Tetri*Piece:minY() const int min = coords01; for (int i = 1; i 4; +i) min = qMin(min, coordsi1); return min;/ 获取最大Y坐标值int Tetri*Piece:ma*Y() const int ma* = coords01; for (int i = 0; i 4; +i) ma* = qMa

36、*(ma*, coordsi1); return ma*;/ 按顺时针方向左转90度:/ * = -y;/ y = *;Tetri*Piece Tetri*Piece:rotatedLeft() const if (pieceShape = SquareShape) return *this; Tetri*Piece result; result.pieceShape = pieceShape; for (int i = 0; i 4; +i) result.set*(i,-y(i); result.setY(i,*(i); return result;Tetri*window.h头文件代码:

37、/ 主窗口类：控制区/游戏区#ifndef TETRI*WINDOW_H#define TETRI*WINDOW_H#include #include /* 前向声明： 因为此处只使用这些类的指针，没有涉及相关函数， 并不需要include它们的头文件,那样会减慢编译速度 */QT_BEGIN_NAMESPACEclass QLCDNumber;class QLabel;class QPushButton;QT_END_NAMESPACEclass Tetri*Board;class Tetri*Window : public QWidget / 这个宏定义涉及到Qt高级局部,我们现在只需知道

38、 / tr()connecet()slotssignals与之有关 Q_OBJECTpublic: Tetri*Window();public slots: void About();private: /* 声明需要用到的一些部件的指针，包括：开场、暂停、退出按钮， 分数、等级、消去行数、下一个方块显示区等*/ QLabel *createLabel(const QString &te*t); Tetri*Board *board; / 自定义游戏逻辑类对象指针 QLabel *ne*tPieceLabel; QLCDNumber *scoreLcd; QLCDNumber *levelLcd

39、; QLCDNumber *linesLcd; QPushButton *startButton; QPushButton *quitButton; QPushButton *pauseButton; QPushButton *aboutButton;#endif /TETRI*WINDOW_HTetri*window.cpp程序代码:#include #include tetri*board.h#include tetri*window.h/ 构造函数：将声明的抽象部件实例化Tetri*Window:Tetri*Window() board = new Tetri*Board; / boar

40、d为主游戏区 ne*tPieceLabel = new QLabel; / Raised:浮雕 Bo*:draw a bo* around its contents /ne*tPieceLabel-setFrameStyle(QFrame:Bo* | QFrame:Raised); ne*tPieceLabel-setAlignment(Qt:AlignCenter); / 居中显示 / 通过该函数将ne*tPieceLabel赋值给board对象私有变量ne*tPieceLabel： / 不是友元或继承关系无法直接调用其私有成员 board-setNe*tPieceLabel(ne*tPie

41、ceLabel); / Lcd数字显示器 scoreLcd = new QLCDNumber(5); / 最大为5位数 scoreLcd-setSegmentStyle(QLCDNumber:Filled); / 浮雕显示数字 (详见API) levelLcd = new QLCDNumber(5); levelLcd-setSegmentStyle(QLCDNumber:Filled); linesLcd = new QLCDNumber(5); linesLcd-setSegmentStyle(QLCDNumber:Filled); / 按钮实例化：设置为NoFocus,防止与游戏按键冲突

42、 startButton = new QPushButton(tr(&开场); startButton-setFocusPolicy(Qt:NoFocus); quitButton = new QPushButton(tr(&退出); quitButton-setFocusPolicy(Qt:NoFocus); pauseButton = new QPushButton(tr(&暂停); pauseButton-setFocusPolicy(Qt:NoFocus); aboutButton = new QPushButton(tr(&关于); aboutButton-setFocusPolicy(Qt:NoFocus); / 相应信号槽连接Qt核心：QObject:connect(信号发射对象,SIGNAL(信号),接收对象,SLOT(触发槽) / 信号(signals)：可以只声明不定义; 触发槽(slots):信号响应函数 connect(startButton, SIGNAL(clicked(), board, SLOT(start(); conne