#!/usr/bin/env python """PyQt4 port of the widgets/tetrix example from Qt v4.x""" import sys import random from PyQt4 import QtCore, QtGui class TetrixWindow(QtGui.QWidget): def __init__(self): QtGui.QWidget.__init__(self) self.board = TetrixBoard(self) self.nextPieceLabel = QtGui.QLabel() self.nextPieceLabel.setFrameStyle(QtGui.QFrame.Box | QtGui.QFrame.Raised) self.nextPieceLabel.setAlignment(QtCore.Qt.AlignCenter) self.board.setNextPieceLabel(self.nextPieceLabel) self.scoreLcd = QtGui.QLCDNumber(5) self.scoreLcd.setSegmentStyle(QtGui.QLCDNumber.Filled) self.levelLcd = QtGui.QLCDNumber(2) self.levelLcd.setSegmentStyle(QtGui.QLCDNumber.Filled) self.linesLcd = QtGui.QLCDNumber(5) self.linesLcd.setSegmentStyle(QtGui.QLCDNumber.Filled) self.startButton = QtGui.QPushButton(self.tr("&Start")) self.startButton.setFocusPolicy(QtCore.Qt.NoFocus) self.quitButton = QtGui.QPushButton(self.tr("&Quit")) self.quitButton.setFocusPolicy(QtCore.Qt.NoFocus) self.pauseButton = QtGui.QPushButton(self.tr("&Pause")) self.pauseButton.setFocusPolicy(QtCore.Qt.NoFocus) self.connect(self.startButton, QtCore.SIGNAL("clicked()"), self.board.start) self.connect(self.pauseButton, QtCore.SIGNAL("clicked()"), self.board.pause) self.connect(self.quitButton, QtCore.SIGNAL("clicked()"), QtGui.qApp, QtCore.SLOT("quit()")) self.connect(self.board, QtCore.SIGNAL("scoreChanged(int)"), self.scoreLcd, QtCore.SLOT("display(int)")) self.connect(self.board, QtCore.SIGNAL("levelChanged(int)"), self.levelLcd, QtCore.SLOT("display(int)")) self.connect(self.board, QtCore.SIGNAL("linesRemovedChanged(int)"), self.linesLcd, QtCore.SLOT("display(int)")) layout = QtGui.QGridLayout() layout.addWidget(self.createLabel(self.tr("NEXT")), 0, 0) layout.addWidget(self.nextPieceLabel, 1, 0) layout.addWidget(self.createLabel(self.tr("LEVEL")), 2, 0) layout.addWidget(self.levelLcd, 3, 0) layout.addWidget(self.startButton, 4, 0) layout.addWidget(self.board, 0, 1, 6, 1) layout.addWidget(self.createLabel(self.tr("SCORE")), 0, 2) layout.addWidget(self.scoreLcd, 1, 2) layout.addWidget(self.createLabel(self.tr("LINES REMOVED")), 2, 2) layout.addWidget(self.linesLcd, 3, 2) layout.addWidget(self.quitButton, 4, 2) layout.addWidget(self.pauseButton, 5, 2) self.setLayout(layout) self.setWindowTitle(self.tr("Tetrix")) self.resize(550, 370) def createLabel(self, text): lbl = QtGui.QLabel(text) lbl.setAlignment(QtCore.Qt.AlignHCenter | QtCore.Qt.AlignBottom) return lbl class TetrixBoard(QtGui.QFrame): BoardWidth = 10 BoardHeight = 22 def __init__(self, parent): QtGui.QFrame.__init__(self, parent) self.timer = QtCore.QBasicTimer() self.isWaitingAfterLine = False self.curPiece = TetrixPiece() self.nextPiece = TetrixPiece() self.curX = 0 self.curY = 0 self.nextPieceLabel = None self.numLinesRemoved = 0 self.numPiecesDropped = 0 self.score = 0 self.level = 0 self.board = None self.setFrameStyle(QtGui.QFrame.Panel | QtGui.QFrame.Sunken) 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 * TetrixBoard.BoardWidth) + x] def setShapeAt(self, x, y, shape): self.board[(y * TetrixBoard.BoardWidth) + x] = shape def timeoutTime(self): return 1000 / (1 + self.level) def squareWidth(self): return self.contentsRect().width() / TetrixBoard.BoardWidth def squareHeight(self): return self.contentsRect().height() / TetrixBoard.BoardHeight def setNextPieceLabel(self, label): self.nextPieceLabel = label def sizeHint(self): return QtCore.QSize(TetrixBoard.BoardWidth * 15 + self.frameWidth() * 2, TetrixBoard.BoardHeight * 15 + self.frameWidth() * 2) def minimumSizeHint(self): return QtCore.QSize(TetrixBoard.BoardWidth * 5 + self.frameWidth() * 2, TetrixBoard.BoardHeight * 5 + self.frameWidth() * 2) def start(self): if self.isPaused: return self.isStarted = True self.isWaitingAfterLine = False self.numLinesRemoved = 0 self.numPiecesDropped = 0 self.score = 0 self.level = 1 self.clearBoard() self.emit(QtCore.SIGNAL("linesRemovedChanged(int)"), self.numLinesRemoved) self.emit(QtCore.SIGNAL("scoreChanged(int)"), self.score) self.emit(QtCore.SIGNAL("levelChanged(int)"), self.level) self.newPiece() self.timer.start(self.timeoutTime(), self) def pause(self): if not self.isStarted: return self.isPaused = not self.isPaused if self.isPaused: self.timer.stop() else: self.timer.start(self.timeoutTime(), self) self.update() def paintEvent(self, event): painter = QtGui.QPainter(self) rect = self.contentsRect() self.drawFrame(painter) if self.isPaused: painter.drawText(rect, QtCore.Qt.AlignCenter, self.tr("Pause")) return boardTop = rect.bottom() - TetrixBoard.BoardHeight * self.squareHeight() for i in range(TetrixBoard.BoardHeight): for j in range(TetrixBoard.BoardWidth): shape = self.shapeAt(j, TetrixBoard.BoardHeight - i - 1) if shape != TetrixShape.NoShape: self.drawSquare(painter, rect.left() + j * self.squareWidth(), boardTop + i * self.squareHeight(), shape) if self.curPiece.shape() != TetrixShape.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 + (TetrixBoard.BoardHeight - y - 1) * self.squareHeight(), self.curPiece.shape()) def keyPressEvent(self, event): if not self.isStarted or self.isPaused or self.curPiece.shape() == TetrixShape.NoShape: QtGui.QWidget.keyPressEvent(self, event) return key = event.key() if 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() self.timer.start(self.timeoutTime(), self) else: self.oneLineDown() else: QtGui.QFrame.timerEvent(self, event) def clearBoard(self): self.board = [TetrixShape.NoShape for i in range(TetrixBoard.BoardHeight * TetrixBoard.BoardWidth)] def dropDown(self): dropHeight = 0 newY = self.curY while newY > 0: if not self.tryMove(self.curPiece, self.curX, newY - 1): break newY -= 1 dropHeight += 1 self.pieceDropped(dropHeight) def oneLineDown(self): if not self.tryMove(self.curPiece, self.curX, self.curY - 1): self.pieceDropped(0) def pieceDropped(self, dropHeight): 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.numPiecesDropped += 1 if self.numPiecesDropped % 25 == 0: self.level += 1 self.timer.start(self.timeoutTime(), self) self.emit(QtCore.SIGNAL("levelChanged(int)"), self.level) self.score += dropHeight + 7 self.emit(QtCore.SIGNAL("scoreChanged(int)"), self.score) self.removeFullLines() if not self.isWaitingAfterLine: self.newPiece() def removeFullLines(self): numFullLines = 0 for i in range(TetrixBoard.BoardHeight - 1, -1, -1): lineIsFull = True for j in range(TetrixBoard.BoardWidth): if self.shapeAt(j, i) == TetrixShape.NoShape: lineIsFull = False break if lineIsFull: numFullLines += 1 for k in range(TetrixBoard.BoardHeight - 1): for j in range(TetrixBoard.BoardWidth): self.setShapeAt(j, k, self.shapeAt(j, k + 1)) for j in range(TetrixBoard.BoardWidth): self.setShapeAt(j, TetrixBoard.BoardHeight - 1, TetrixShape.NoShape) if numFullLines > 0: self.numLinesRemoved += numFullLines self.score += 10 * numFullLines self.emit(QtCore.SIGNAL("linesRemovedChanged(int)"), self.numLinesRemoved) self.emit(QtCore.SIGNAL("scoreChanged(int)"), self.score) self.timer.start(500, self) self.isWaitingAfterLine = True self.curPiece.setShape(TetrixShape.NoShape) self.update() def newPiece(self): self.curPiece = self.nextPiece self.nextPiece.setRandomShape() self.showNextPiece() self.curX = TetrixBoard.BoardWidth / 2 + 1 self.curY = TetrixBoard.BoardHeight - 1 + self.curPiece.minY() if not self.tryMove(self.curPiece, self.curX, self.curY): self.curPiece.setShape(TetrixShape.NoShape) self.timer.stop() self.isStarted = False def showNextPiece(self): if self.nextPieceLabel is not None: return dx = self.nextPiece.maxX() - self.nextPiece.minX() + 1 dy = self.nextPiece.maxY() - self.nextPiece.minY() + 1 pixmap = QtGui.QPixmap(dx * self.squareWidth(), dy * self.squareHeight()) painter = QtGui.QPainter(pixmap) painter.fillRect(pixmap.rect(), self.nextPieceLabel.palette().background()) for int in range(4): x = self.nextPiece.x(i) - self.nextPiece.minX() y = self.nextPiece.y(i) - self.nextPiece.minY() self.drawSquare(painter, x * self.squareWidth(), y * self.squareHeight(), self.nextPiece.shape()) self.nextPieceLabel.setPixmap(pixmap) 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 >= TetrixBoard.BoardWidth or y < 0 or y >= TetrixBoard.BoardHeight: return False if self.shapeAt(x, y) != TetrixShape.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.light()) painter.drawLine(x, y + self.squareHeight() - 1, x, y) painter.drawLine(x, y, x + self.squareWidth() - 1, y) painter.setPen(color.dark()) 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 TetrixShape(object): NoShape = 0 ZShape = 1 SShape = 2 LineShape = 3 TShape = 4 SquareShape = 5 LShape = 6 MirroredLShape = 7 class TetrixPiece(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 _ in range(4)] self.pieceShape = TetrixShape.NoShape self.setShape(TetrixShape.NoShape) def shape(self): return self.pieceShape def setShape(self, shape): table = TetrixPiece.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 == TetrixShape.SquareShape: return self result = TetrixPiece() 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 == TetrixShape.SquareShape: return self result = TetrixPiece() result.pieceShape = self.pieceShape for i in range(4): result.setX(i, -self.y(i)) result.setY(i, self.x(i)) return result if __name__ == '__main__': app = QtGui.QApplication(sys.argv) window = TetrixWindow() window.show() random.seed(None) sys.exit(app.exec_())