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#!/usr/bin/env python
# Copyright 2011-2012 Facundo Batista
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 3, as published
# by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranties of
# MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
# PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
#
# For further info, check https://launchpad.net/enjuewemela
"""Replay a game from a log."""
import operator
import re
import time
from cocos import scene, layer, actions
from pyglet.window import key as keyboard
import games
from gems import gems
RE_ADD = ("(\d+-\d+-\d+ \d+:\d+:\d+),(\d+) PieceHolder "
"DEBUG set piece: ([\w-]+) in \((\d+), (\d+)\)\n")
RE_DEL = ("(\d+-\d+-\d+ \d+:\d+:\d+),(\d+) PieceHolder "
"DEBUG remove piece from \((\d+), (\d+)\): ([\w-]+)\n")
RE_SWITCH = ("(\d+-\d+-\d+ \d+:\d+:\d+),(\d+) PieceHolder DEBUG "
"switch piece from \((\d+), (\d+)\) to \((\d+), (\d+)\)\n")
RE_START = ("(\d+-\d+-\d+ \d+:\d+:\d+),(\d+) PieceManager INFO "
"Game start\n")
FH_FORMAT = "%Y-%m-%d %H:%M:%S"
class Operation(object):
def __init__(self, **kwargs):
keys = 'name tstamp piece x y xf yf xt yt'.split()
self.__dict__.update(dict.fromkeys(keys))
self.__dict__.update(kwargs)
def __str__(self):
data = ", ".join("%s=%s" % x for x in sorted(self.__dict__.items()))
return "<Operation: %s>" % (data,)
def _file_parser(logfilename):
"""Parse log and yield data."""
loginfo = []
for line in open(logfilename):
m = re.match(RE_START, line)
if m:
# game start, reset all and start again
loginfo = []
continue
m = re.match(RE_ADD, line)
if m:
fh, ms, piece, x, y = m.groups()
tstamp = time.mktime(time.strptime(fh, FH_FORMAT))
tstamp += int(ms) / 1000.0
x, y = int(x), int(y)
o = Operation(name='add', tstamp=tstamp, piece=piece, x=x, y=y)
loginfo.append(o)
continue
m = re.match(RE_DEL, line)
if m:
fh, ms, x, y, piece = m.groups()
tstamp = time.mktime(time.strptime(fh, FH_FORMAT))
tstamp += int(ms) / 1000.0
x, y = int(x), int(y)
o = Operation(name='del', tstamp=tstamp, piece=piece, x=x, y=y)
loginfo.append(o)
continue
m = re.match(RE_SWITCH, line)
if m:
fh, ms, xf, yf, xt, yt = m.groups()
tstamp = time.mktime(time.strptime(fh, FH_FORMAT))
tstamp += int(ms) / 1000.0
xf, yf, xt, yt = int(xf), int(yf), int(xt), int(yt)
o = Operation(name='switch', tstamp=tstamp,
xf=xf, yf=yf, xt=xt, yt=yt)
loginfo.append(o)
continue
return loginfo
class LogInfo(object):
"""Handles the log info."""
def __init__(self, logfilename):
self.loginfo = _file_parser(logfilename)
self._pointer = None
def next(self):
"""Return next log info."""
if self._pointer is None:
self._pointer = 0
else:
self._pointer += 1
if self._pointer >= len(self.loginfo):
return None
return self.loginfo[self._pointer]
def rewind(self):
"""Go back in one."""
if self._pointer > 0:
self._pointer -= 1
class Replayer(layer.Layer):
"""The replayer."""
is_event_handler = True
def __init__(self, board, loginfo):
self.board = board
self.loginfo = loginfo
self.placed = {}
self.pending_falls = []
self.history = []
self.histptr = None
super(Replayer, self).__init__()
def _fall(self, to_fill):
"""Make a piece fall."""
# get other pieces in the column
to_move = []
pos_x, pos_y = to_fill
while True:
pos_y += 1
piece = self.placed.get((pos_x, pos_y))
if piece is None:
break
to_move.append(piece)
# we have the list of pieces to move, from down up, let's move them
pos_x, pos_y = to_fill
for piece in to_move:
gem = self.placed.pop((pos_x, pos_y + 1))
new_coords = self.board.get_slot_center(pos_x, pos_y)
gem.position = new_coords
self.placed[(pos_x, pos_y)] = gem
pos_y += 1
def _rush(self):
"""Show changes that happened almost at the same time."""
if self.pending_falls:
to_fill = self.pending_falls.pop()
self._fall(to_fill)
return
prvtstamp = None
while True:
op = self.loginfo.next()
if op is None:
# FIXME: decir que TERMINO en la pantalla
print "Hit END"
break
if prvtstamp is None:
prvtstamp = op.tstamp
if op.tstamp - prvtstamp > .2:
self.loginfo.rewind()
break
# FIXME: mostrar nro de linea del log en la pantalla
if op.name == 'add':
real_coords = self.board.get_slot_center(op.x, op.y)
gem = gems.by_name(op.piece)
gem.position = real_coords
self.board.add(gem)
self.placed[(op.x, op.y)] = gem
elif op.name == 'del':
gem = self.placed.pop((op.x, op.y))
gem.do(
actions.FadeOut(.1) + actions.FadeIn(.1) +
actions.FadeOut(.1) + actions.FadeIn(.1) +
actions.CallFunc(self.board.remove, gem)
)
self.pending_falls.append((op.x, op.y))
elif op.name == 'switch':
gemf = self.placed[(op.xf, op.yf)]
gemt = self.placed[(op.xt, op.yt)]
self.placed[(op.xf, op.yf)] = gemt
self.placed[(op.xt, op.yt)] = gemf
def _setpos(gem, position):
"""Set the position."""
gem.position = position
gemf.do(
actions.FadeOut(.1) + actions.FadeIn(.1) +
actions.FadeOut(.1) + actions.FadeIn(.1) +
actions.CallFunc(_setpos, gemf, gemt.position)
)
gemt.do(
actions.FadeOut(.1) + actions.FadeIn(.1) +
actions.FadeOut(.1) + actions.FadeIn(.1) +
actions.CallFunc(_setpos, gemt, gemf.position)
)
break
prvtstamp = op.tstamp
# reorder pending falls to let them attack in order, and assure
# all are valid (maybe it was re-filled with an explosive or something)
self.pending_falls.sort(key=operator.itemgetter(1))
self.pending_falls = [x for x in self.pending_falls
if x not in self.placed]
def _copy_placed(self):
"""Copy the placed dict, but using gem name and not object."""
d = {}
for pos, gem in self.placed.iteritems():
d[pos] = str(gem)
return d
def start(self):
"""Go."""
self.histptr = 0
self._rush()
new_placed = self._copy_placed()
self.history.append(new_placed)
def _go_forward(self):
"""Move forward."""
self.histptr += 1
if self.histptr == len(self.history):
self._rush()
new_placed = self._copy_placed()
self.history.append(new_placed)
else:
self._reshow(self.history[self.histptr])
def _go_back(self):
"""Move back."""
if self.histptr is None or self.histptr == 0:
# FIXME: mostrar esto en pantalla
print "Hit BEGIN"
return
self.histptr -= 1
self._reshow(self.history[self.histptr])
def _reshow(self, new_image):
"""Clean and show a scenario from scratch."""
for gem in self.placed.itervalues():
self.board.remove(gem)
self.placed = {}
for (x, y), gem_name in new_image.items():
real_coords = self.board.get_slot_center(x, y)
gem = gems.by_name(gem_name)
gem.position = real_coords
self.board.add(gem)
self.placed[(x, y)] = gem
def on_key_press(self, key, modifiers):
"""Receive a key press event."""
if key in (keyboard.SPACE, keyboard.RIGHT, keyboard.DOWN):
self._go_forward()
elif key in (keyboard.LEFT, keyboard.UP):
self._go_back()
def go(logfilename):
"""Main entry point."""
loginfo = LogInfo(logfilename)
sc = scene.Scene()
board = games.Board()
sc.add(board, z=0)
r = Replayer(board, loginfo)
sc.add(r, z=0)
r.start()
return sc
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