class TetrisPreviewWidget(DrawabaleTetrisBoard):
""" A preview window for figures. Only shows a single figure, trying to
center it vertically.
Note: the success of this method depends on the actual figures that
participate in the game. It works well for the default 7 Tetris
figures.
"""
def __init__(self, parent, nrows, ncols, blocksize):
super(TetrisPreviewWidget, self).__init__(parent, nrows, ncols, blocksize)
self.showgrid = False
self.figure = None
def set_figure(self, figure):
self.figure = figure
self.board = TetrisBoard(self.nrows, self.ncols)
self.board.spawn_figure(figure)
self.board.move_figure_down()
self.board.move_figure_down()
self.update()
class TetrisPreviewWidget(DrawabaleTetrisBoard):
""" A preview window for figures. Only shows a single figure, trying to
center it vertically.
Note: the success of this method depends on the actual figures that
participate in the game. It works well for the default 7 Tetris
figures.
"""
def __init__(self, parent, nrows, ncols, blocksize):
super(TetrisPreviewWidget, self).__init__(parent, nrows, ncols,
blocksize)
self.showgrid = False
self.figure = None
def set_figure(self, figure):
self.figure = figure
self.board = TetrisBoard(self.nrows, self.ncols)
self.board.spawn_figure(figure)
self.board.move_figure_down()
self.board.move_figure_down()
self.update()
class MainTetrisWidget(DrawabaleTetrisBoard):
""" The main tetris window type, with an active figure that can be moved
around, dropped, etc. and a bunch of inactive blocks.
Supports all the expected tetris operations, like removing completed
rows and generating new figures.
"""
def __init__(self, parent, nrows, ncols, blocksize, startfigure):
super(MainTetrisWidget, self).__init__(parent, nrows, ncols, blocksize)
self.board.spawn_figure(startfigure)
# Keeps track of the amount of rows the active figure
# fell in the last "drop" command. This is used to
# update the score.
#
self.last_drop_height = 0
def restart(self, startfigure):
self.board = TetrisBoard(self.nrows, self.ncols)
self.board.spawn_figure(startfigure)
self.update()
def keyPressEvent(self, event):
if event.key() == Qt.Key_Up:
self.board.rotate_figure()
elif event.key() == Qt.Key_Down:
self.board.move_figure_down()
elif event.key() == Qt.Key_Left:
self.board.move_figure_left()
elif event.key() == Qt.Key_Right:
self.board.move_figure_right()
elif event.key() == Qt.Key_Space:
for i in range(self.nrows):
if not self.board.move_figure_down():
self.last_drop_height = i
break
else:
return
self.update()
Result = namedtuple('Result', 'state completed_rows drop_height')
def timer_tick(self, nextfigure):
""" One timer tick for the tetris game.
Advances the game by one step and returns a result as
a namedtuple:
result.state:
The game state.
running - The current figure was moved
down by one cell successfully.
newfigure - The current figure could no
longer be moved down, so a new
figure was created.
gameover - The current figure could no
longer be moved down, and a
new figure could not be
created.
result.completed_rows:
A list of row numbers that were completed with
the current figure reaching bottom. It is
applicable in the "newfigure" state
result.drop_height:
The amount of lines the figure was dropped in
the last drop.
"""
state = 'running'
completed_rows = []
drop_height = 0
if self.board.move_figure_down():
state = 'running'
else:
completed_rows = self.board.finish_fall()
if self.board.spawn_figure(nextfigure):
state = 'newfigure'
else:
state = 'gameover'
drop_height = self.last_drop_height
self.last_drop_height = 0
self.update()
return self.Result(state, completed_rows, drop_height)
class MainTetrisWidget(DrawabaleTetrisBoard):
""" The main tetris window type, with an active figure that can be moved
around, dropped, etc. and a bunch of inactive blocks.
Supports all the expected tetris operations, like removing completed
rows and generating new figures.
"""
def __init__(self, parent, nrows, ncols, blocksize, startfigure):
super(MainTetrisWidget, self).__init__(parent, nrows, ncols, blocksize)
self.board.spawn_figure(startfigure)
# Keeps track of the amount of rows the active figure
# fell in the last "drop" command. This is used to
# update the score.
#
self.last_drop_height = 0
def restart(self, startfigure):
self.board = TetrisBoard(self.nrows, self.ncols)
self.board.spawn_figure(startfigure)
self.update()
def keyPressEvent(self, event):
if event.key() == Qt.Key_Up:
self.board.rotate_figure()
elif event.key() == Qt.Key_Down:
self.board.move_figure_down()
elif event.key() == Qt.Key_Left:
self.board.move_figure_left()
elif event.key() == Qt.Key_Right:
self.board.move_figure_right()
elif event.key() == Qt.Key_Space:
for i in range(self.nrows):
if not self.board.move_figure_down():
self.last_drop_height = i
break
else:
return
self.update()
Result = namedtuple("Result", "state completed_rows drop_height")
def timer_tick(self, nextfigure):
""" One timer tick for the tetris game.
Advances the game by one step and returns a result as
a namedtuple:
result.state:
The game state.
running - The current figure was moved
down by one cell successfully.
newfigure - The current figure could no
longer be moved down, so a new
figure was created.
gameover - The current figure could no
longer be moved down, and a
new figure could not be
created.
result.completed_rows:
A list of row numbers that were completed with
the current figure reaching bottom. It is
applicable in the "newfigure" state
result.drop_height:
The amount of lines the figure was dropped in
the last drop.
"""
state = "running"
completed_rows = []
drop_height = 0
if self.board.move_figure_down():
state = "running"
else:
completed_rows = self.board.finish_fall()
if self.board.spawn_figure(nextfigure):
state = "newfigure"
else:
state = "gameover"
drop_height = self.last_drop_height
self.last_drop_height = 0
self.update()
return self.Result(state, completed_rows, drop_height)
