rendered paste body#!/usr/bin/env python# tetris.pyimport sysimport randomfrom PySide import QtCore, QtGuiclass Tetris(QtGui.QMainWindow): def __init__(self): QtGui.QMainWindow.__init__(self) self.setGeometry(300, 300, 180, 380) self.setWindowTitle('Tetris') self.tetrisboard = Board(self) self.setCentralWidget(self.tetrisboard) self.statusbar = self.statusBar() self.connect(self.tetrisboard, QtCore.SIGNAL("messageToStatusbar(QString)"), self.statusbar, QtCore.SLOT("showMessage(QString)")) self.tetrisboard.start() self.center() def center(self): screen = QtGui.QDesktopWidget().screenGeometry() size = self.geometry() self.move((screen.width()-size.width())/2, (screen.height()-size.height())/2)class Board(QtGui.QFrame): BoardWidth = 10 BoardHeight = 22 Speed = 300 def __init__(self, parent): QtGui.QFrame.__init__(self, parent) self.timer = QtCore.QBasicTimer() self.isWaitingAfterLine = False self.curPiece = Shape() self.nextPiece = Shape() self.curX = 0 self.curY = 0 self.numLinesRemoved = 0 self.board = [] self.setFocusPolicy(QtCore.Qt.StrongFocus) self.isStarted = False self.isPaused = False self.clearBoard() self.nextPiece.setRandomShape() def shapeAt(self, x, y): return self.board[(y * Board.BoardWidth) + x] def setShapeAt(self, x, y, shape): self.board[(y * Board.BoardWidth) + x] = shape def squareWidth(self): return self.contentsRect().width() / Board.BoardWidth def squareHeight(self): return self.contentsRect().height() / Board.BoardHeight def start(self): if self.isPaused: return self.isStarted = True self.isWaitingAfterLine = False self.numLinesRemoved = 0 self.clearBoard() self.emit(QtCore.SIGNAL("messageToStatusbar(QString)"), str(self.numLinesRemoved)) self.newPiece() self.timer.start(Board.Speed, self) def pause(self): if not self.isStarted: return self.isPaused = not self.isPaused if self.isPaused: self.timer.stop() self.emit(QtCore.SIGNAL("messageToStatusbar(QString)"), "paused") else: self.timer.start(Board.Speed, self) self.emit(QtCore.SIGNAL("messageToStatusbar(QString)"), str(self.numLinesRemoved)) self.update() def paintEvent(self, event): painter = QtGui.QPainter(self) rect = self.contentsRect() boardTop = rect.bottom() - Board.BoardHeight * self.squareHeight() for i in range(Board.BoardHeight): for j in range(Board.BoardWidth): shape = self.shapeAt(j, Board.BoardHeight - i - 1) if shape != Tetrominoes.NoShape: self.drawSquare(painter, rect.left() + j * self.squareWidth(), boardTop + i * self.squareHeight(), shape) if self.curPiece.shape() != Tetrominoes.NoShape: for i in range(4): x = self.curX + self.curPiece.x(i) y = self.curY - self.curPiece.y(i) self.drawSquare(painter, rect.left() + x * self.squareWidth(), boardTop + (Board.BoardHeight - y - 1) * self.squareHeight(), self.curPiece.shape()) def keyPressEvent(self, event): if not self.isStarted or self.curPiece.shape() == Tetrominoes.NoShape: QtGui.QWidget.keyPressEvent(self, event) return key = event.key() if key == QtCore.Qt.Key_P: self.pause() return if self.isPaused: return elif key == QtCore.Qt.Key_Left: self.tryMove(self.curPiece, self.curX - 1, self.curY) elif key == QtCore.Qt.Key_Right: self.tryMove(self.curPiece, self.curX + 1, self.curY) elif key == QtCore.Qt.Key_Down: self.tryMove(self.curPiece.rotatedRight(), self.curX, self.curY) elif key == QtCore.Qt.Key_Up: self.tryMove(self.curPiece.rotatedLeft(), self.curX, self.curY) elif key == QtCore.Qt.Key_Space: self.dropDown() elif key == QtCore.Qt.Key_D: self.oneLineDown() else: QtGui.QWidget.keyPressEvent(self, event) def timerEvent(self, event): if event.timerId() == self.timer.timerId(): if self.isWaitingAfterLine: self.isWaitingAfterLine = False self.newPiece() else: self.oneLineDown() else: QtGui.QFrame.timerEvent(self, event) def clearBoard(self): for i in range(Board.BoardHeight * Board.BoardWidth): self.board.append(Tetrominoes.NoShape) def dropDown(self): newY = self.curY while newY > 0: if not self.tryMove(self.curPiece, self.curX, newY - 1): break newY -= 1 self.pieceDropped() def oneLineDown(self): if not self.tryMove(self.curPiece, self.curX, self.curY - 1): self.pieceDropped() def pieceDropped(self): for i in range(4): x = self.curX + self.curPiece.x(i) y = self.curY - self.curPiece.y(i) self.setShapeAt(x, y, self.curPiece.shape()) self.removeFullLines() if not self.isWaitingAfterLine: self.newPiece() def removeFullLines(self): numFullLines = 0 rowsToRemove = [] for i in range(Board.BoardHeight): n = 0 for j in range(Board.BoardWidth): if not self.shapeAt(j, i) == Tetrominoes.NoShape: n = n + 1 if n == 10: rowsToRemove.append(i) rowsToRemove.reverse() for m in rowsToRemove: for k in range(m, Board.BoardHeight): for l in range(Board.BoardWidth): self.setShapeAt(l, k, self.shapeAt(l, k + 1)) numFullLines = numFullLines + len(rowsToRemove) if numFullLines > 0: self.numLinesRemoved = self.numLinesRemoved + numFullLines self.emit(QtCore.SIGNAL("messageToStatusbar(QString)"), str(self.numLinesRemoved)) self.isWaitingAfterLine = True self.curPiece.setShape(Tetrominoes.NoShape) self.update() def newPiece(self): self.curPiece = self.nextPiece self.nextPiece.setRandomShape() self.curX = Board.BoardWidth / 2 + 1 self.curY = Board.BoardHeight - 1 + self.curPiece.minY() if not self.tryMove(self.curPiece, self.curX, self.curY): self.curPiece.setShape(Tetrominoes.NoShape) self.timer.stop() self.isStarted = False self.emit(QtCore.SIGNAL("messageToStatusbar(QString)"), "Game over") def tryMove(self, newPiece, newX, newY): for i in range(4): x = newX + newPiece.x(i) y = newY - newPiece.y(i) if x < 0 or x >= Board.BoardWidth or y < 0 or y >= Board.BoardHeight: return False if self.shapeAt(x, y) != Tetrominoes.NoShape: return False self.curPiece = newPiece self.curX = newX self.curY = newY self.update() return True def drawSquare(self, painter, x, y, shape): colorTable = [0x000000, 0xCC6666, 0x66CC66, 0x6666CC, 0xCCCC66, 0xCC66CC, 0x66CCCC, 0xDAAA00] color = QtGui.QColor(colorTable[shape]) painter.fillRect(x + 1, y + 1, self.squareWidth() - 2, self.squareHeight() - 2, color) painter.setPen(color.lighter()) painter.drawLine(x, y + self.squareHeight() - 1, x, y) painter.drawLine(x, y, x + self.squareWidth() - 1, y) painter.setPen(color.darker()) painter.drawLine(x + 1, y + self.squareHeight() - 1, x + self.squareWidth() - 1, y + self.squareHeight() - 1) painter.drawLine(x + self.squareWidth() - 1, y + self.squareHeight() - 1, x + self.squareWidth() - 1, y + 1)class Tetrominoes(object): NoShape = 0 ZShape = 1 SShape = 2 LineShape = 3 TShape = 4 SquareShape = 5 LShape = 6 MirroredLShape = 7class Shape(object): coordsTable = ( ((0, 0), (0, 0), (0, 0), (0, 0)), ((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, -1), (0, 0), (0, 1)) ) def __init__(self): self.coords = [[0,0] for i in range(4)] self.pieceShape = Tetrominoes.NoShape self.setShape(Tetrominoes.NoShape) def shape(self): return self.pieceShape def setShape(self, shape): table = Shape.coordsTable[shape] for i in range(4): for j in range(2): self.coords[i][j] = table[i][j] self.pieceShape = shape def setRandomShape(self): self.setShape(random.randint(1, 7)) def x(self, index): return self.coords[index][0] def y(self, index): return self.coords[index][1] def setX(self, index, x): self.coords[index][0] = x def setY(self, index, y): self.coords[index][1] = y def minX(self): m = self.coords[0][0] for i in range(4): m = min(m, self.coords[i][0]) return m def maxX(self): m = self.coords[0][0] for i in range(4): m = max(m, self.coords[i][0]) return m def minY(self): m = self.coords[0][1] for i in range(4): m = min(m, self.coords[i][1]) return m def maxY(self): m = self.coords[0][1] for i in range(4): m = max(m, self.coords[i][1]) return m def rotatedLeft(self): if self.pieceShape == Tetrominoes.SquareShape: return self result = Shape() result.pieceShape = self.pieceShape for i in range(4): result.setX(i, self.y(i)) result.setY(i, -self.x(i)) return result def rotatedRight(self): if self.pieceShape == Tetrominoes.SquareShape: return self result = Shape() result.pieceShape = self.pieceShape for i in range(4): result.setX(i, -self.y(i)) result.setY(i, self.x(i)) return resultapp = QtGui.QApplication(sys.argv)tetris = Tetris()tetris.show()sys.exit(app.exec_())