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#!/usr/bin/python
# tetris.py
import wx
import random
class Tetris(wx.Frame):
def __init__(self,parent,id,title):
wx.Frame.__init__(self,title,size=(180,380))
self.statusbar = self.CreateStatusBar()
self.statusbar.SetStatusText('0')
self.board = Board(self)
self.board.SetFocus()
self.board.start()
self.Centre()
self.Show(True)
class Board(wx.Panel):
BoardWidth = 10
BoardHeight = 22
Speed = 300
ID_TIMER = 1
def __init__(self,parent):
wx.Panel.__init__(self,parent)
self.timer = wx.Timer(self,Board.ID_TIMER)
self.isWaitingAfterLine = False
self.curPiece = Shape()
self.nextPiece = Shape()
self.curX = 0
self.curY = 0
self.numLinesRemoved = 0
self.board = []
self.isStarted = False
self.isPaused = False
self.Bind(wx.EVT_PAINT,self.OnPaint)
self.Bind(wx.EVT_KEY_DOWN,self.OnKeyDown)
self.Bind(wx.EVT_TIMER,self.OnTimer,id=Board.ID_TIMER)
self.clearBoard()
def shapeAt(self,x,y):
return self.board[(y * Board.BoardWidth) + x]
def setShapeAt(self,y,shape):
self.board[(y * Board.BoardWidth) + x] = shape
def squareWidth(self):
return self.GetClientSize().GetWidth() / Board.BoardWidth
def squareHeight(self):
return self.GetClientSize().GetHeight() / Board.BoardHeight
def start(self):
if self.isPaused:
return
self.isStarted = True
self.isWaitingAfterLine = False
self.numLinesRemoved = 0
self.clearBoard()
self.newPiece()
self.timer.Start(Board.Speed)
def pause(self):
if not self.isStarted:
return
self.isPaused = not self.isPaused
statusbar = self.GetParent().statusbar
if self.isPaused:
self.timer.Stop()
statusbar.SetStatusText('paused')
else:
self.timer.Start(Board.Speed)
statusbar.SetStatusText(str(self.numLinesRemoved))
self.Refresh()
def clearBoard(self):
for i in range(Board.BoardHeight * Board.BoardWidth):
self.board.append(Tetrominoes.NoShape)
def OnPaint(self,event):
dc = wx.PaintDC(self)
size = self.GetClientSize()
boardTop = size.GetHeight() - 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(dc,0 + 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(dc,0 + x * self.squareWidth(),boardTop + (Board.BoardHeight - y - 1) * self.squareHeight(),self.curPiece.shape())
def OnKeyDown(self,event):
if not self.isStarted or self.curPiece.shape() == Tetrominoes.NoShape:
event.Skip()
return
keycode = event.GetKeyCode()
if keycode == ord('P') or keycode == ord('p'):
self.pause()
return
if self.isPaused:
return
elif keycode == wx.WXK_LEFT:
self.tryMove(self.curPiece,self.curX - 1,self.curY)
elif keycode == wx.WXK_RIGHT:
self.tryMove(self.curPiece,self.curX + 1,self.curY)
elif keycode == wx.WXK_DOWN:
self.tryMove(self.curPiece.rotatedRight(),self.curX,self.curY)
elif keycode == wx.WXK_UP:
self.tryMove(self.curPiece.rotatedLeft(),self.curY)
elif keycode == wx.WXK_SPACE:
self.dropDown()
elif keycode == ord('D') or keycode == ord('d'):
self.oneLineDown()
else:
event.Skip()
def OnTimer(self,event):
if event.GetId() == Board.ID_TIMER:
if self.isWaitingAfterLine:
self.isWaitingAfterLine = False
self.newPiece()
else:
self.oneLineDown()
else:
event.Skip()
def dropDown(self):
newY = self.curY
while newY > 0:
if not self.tryMove(self.curPiece,newY - 1):
break
newY -= 1
self.pieceDropped()
def oneLineDown(self):
if not self.tryMove(self.curPiece,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,self.curPiece.shape())
self.removeFullLines()
if not self.isWaitingAfterLine:
self.newPiece()
def removeFullLines(self):
numFullLines = 0
statusbar = self.GetParent().statusbar
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
statusbar.SetStatusText(str(self.numLinesRemoved))
self.isWaitingAfterLine = True
self.curPiece.setShape(Tetrominoes.NoShape)
self.Refresh()
def newPiece(self):
self.curPiece = self.nextPiece
statusbar = self.GetParent().statusbar
self.nextPiece.setRandomShape()
self.curX = Board.BoardWidth / 2 + 1
self.curY = Board.BoardHeight - 1 + self.curPiece.minY()
if not self.tryMove(self.curPiece,self.curY):
self.curPiece.setShape(Tetrominoes.NoShape)
self.timer.Stop()
self.isStarted = False
statusbar.SetStatusText('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.Refresh()
return True
def drawSquare(self,dc,shape):
colors = ['#000000','#CC6666','#66CC66','#6666CC','#CCCC66','#CC66CC','#66CCCC','#DAAA00']
light = ['#000000','#F89FAB','#79FC79','#7979FC','#FCFC79','#FC79FC','#79FCFC','#FCC600']
dark = ['#000000','#803C3B','#3B803B','#3B3B80','#80803B','#803B80','#3B8080','#806200']
pen = wx.Pen(light[shape])
pen.SetCap(wx.CAP_PROJECTING)
dc.SetPen(pen)
dc.DrawLine(x,y + self.squareHeight() - 1,y)
dc.DrawLine(x,x + self.squareWidth() - 1,y)
darkpen = wx.Pen(dark[shape])
darkpen.SetCap(wx.CAP_PROJECTING)
dc.SetPen(darkpen)
dc.DrawLine(x + 1,y + self.squareHeight() - 1)
dc.DrawLine(x + self.squareWidth() - 1,y + 1)
dc.SetPen(wx.TRANSPARENT_PEN)
dc.SetBrush(wx.Brush(colors[shape]))
dc.DrawRectangle(x + 1,y + 1,self.squareWidth() - 2,self.squareHeight() - 2)
class Tetrominoes(object):
NoShape = 0
ZShape = 1
SShape = 2
LineShape = 3
TShape = 4
SquareShape = 5
LShape = 6
MirroredLShape = 7
class Shape(object):
coordsTable = (
((0,0),(0,0)),((0,-1),(-1,1)),(1,1),2)),((-1,((1,1))
)
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,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 result
app = wx.App()
Tetris(None,-1,'Tetris')
app.MainLoop()
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