mirror of https://github.com/dirtbags/moth.git
436 lines
14 KiB
Python
436 lines
14 KiB
Python
import fcntl
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import math
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import os
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import random
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import subprocess
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import xml.sax.saxutils
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from urllib import unquote, quote
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from PIL import Image, ImageColor, ImageDraw
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import Tank
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class Pflanzarr:
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TEAMS_FILE = '/var/lib/ctf/passwd'
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FRAME_DELAY = 15
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SPACING = 150
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backgroundColor = '#ffffff'
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def __init__(self, dir, difficulty='easy'):
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"""Initialize a new game of Pflanzarr.
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@param dir: The data directory."""
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assert difficulty in ('easy', 'medium', 'hard')
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# Setup the game environment
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self._setupDirectories(dir)
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# Figure out what game number this is.
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self._gameNum = self._getGameNum()
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self._gameDir = os.path.join(self._resultsDir, str(self._gameNum))
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if not os.path.exists(self._gameDir):
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os.mkdir(self._gameDir)
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colors = self._getColors()
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tmpPlayers = os.listdir(self._playerDir)
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players = []
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for p in tmpPlayers:
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p = unquote(p)
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if not (p.startswith('.') or p.endswith('#') or p.endswith('~'))\
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and p in colors:
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players.append(p)
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AIs = {}
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for player in players:
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AIs[player] = open(os.path.join(self._playerDir, player)).read()
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defaultAIs = self._getDefaultAIs(dir, difficulty)
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assert len(players) >= 1, "There must be at least one player."
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# The one is added to ensure that there is at least one #default bot.
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cols = math.sqrt(len(players) + 1)
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if int(cols) != cols:
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cols = cols + 1
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cols = int(cols)
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if cols < 2:
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cols = 2
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rows = len(players)/cols
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if len(players) % cols != 0:
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rows = rows + 1
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self._board = (cols*self.SPACING, rows*self.SPACING)
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while len(players) < cols*rows:
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players.append(None)
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self._tanks = []
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for i in range(cols):
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for j in range(rows):
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startX = i*self.SPACING + self.SPACING/2
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startY = j*self.SPACING + self.SPACING/2
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player = random.choice(players)
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players.remove(player)
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if player == None:
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color = '#a0a0a0'
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else:
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color = colors[player]
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tank = Tank.Tank( player, (startX, startY), color,
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self._board, testMode=True)
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if player == None:
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tank.program(random.choice(defaultAIs))
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else:
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tank.program(AIs[player])
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self._tanks.append(tank)
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# We only want to make these once, so we do it here.
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self._tanksByX = list(self._tanks)
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self._tanksByY = list(self._tanks)
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self._deadTanks = set()
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def run(self, maxTurns=None):
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print "Starting new game with %d players." % len(self._tanks)
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kills = {}
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for tank in self._tanks:
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kills[tank] = set()
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turn = 0
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lastTurns = 3
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while ((maxTurns is None) or turn < maxTurns) and lastTurns > 0:
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if len(self._tanks) - len(self._deadTanks) < 2:
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lastTurns = lastTurns - 1
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image = Image.new('RGB', self._board)
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draw = ImageDraw.Draw(image)
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draw.rectangle(((0,0), self._board), fill=self.backgroundColor)
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near = self._getNear()
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deadThisTurn = set()
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liveTanks = set(self._tanks).difference(self._deadTanks)
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for tank in liveTanks:
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# Shoot now, if we said to shoot last turn
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dead = tank.fire( near[tank] )
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kills[tank] = kills[tank].union(dead)
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self._killTanks(dead, 'Shot by %s' % tank.name)
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for tank in liveTanks:
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# We also check for collisions here, while we're at it.
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dead = tank.sense( near[tank] )
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kills[tank] = kills[tank].union(dead)
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self._killTanks(dead, 'Collision')
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# Draw the explosions
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for tank in self._deadTanks:
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tank.draw(image)
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# Draw the live tanks.
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for tank in self._tanksByX:
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# Have the tank run its program, move, etc.
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tank.draw(image)
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# Have the live tanks do their turns
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for tank in self._tanksByX:
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tank.execute()
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fileName = os.path.join(self._imageDir, '%05d.ppm' % turn)
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image.save(fileName, 'PPM')
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turn = turn + 1
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# Removes tanks from their own kill lists.
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for tank in kills:
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if tank in kills[tank]:
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kills[tank].remove(tank)
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for tank in self._tanks:
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self._outputErrors(tank)
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self._makeMovie()
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# This needs to go after _makeMovie; the web scripts look for these
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# files to see if the game has completed.
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self._saveResults(kills)
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def _killTanks(self, tanks, reason):
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for tank in tanks:
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if tank in self._tanksByX:
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self._tanksByX.remove(tank)
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if tank in self._tanksByY:
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self._tanksByY.remove(tank)
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tank.die(reason)
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self._deadTanks = self._deadTanks.union(tanks)
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def _saveResults(self, kills):
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"""Choose a winner. In case of a tie, live tanks prevail, in case
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of further ties, a winner is chosen at random. This outputs the winner
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to the winners file and outputs a results table html file."""
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resultsFile = open(os.path.join(self._gameDir, 'results.html'), 'w')
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winnerFile = open(os.path.join(self._dir, 'winner'),'w')
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tanks = list(self._tanks)
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def winSort(t1, t2):
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"""Sort by # of kill first, then by life status."""
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result = cmp(len(kills[t1]), len(kills[t2]))
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if result != 0:
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return result
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if t1.isDead and not t2.isDead:
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return -1
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elif not t1.isDead and t2.isDead:
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return 1
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else:
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return 0
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tanks.sort(winSort, reverse=1)
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# Get the list of potential winners
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winners = []
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for i in range(len(tanks)):
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if len( kills[tanks[0]] ) == len( kills[tanks[i]] ) and \
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tanks[0].isDead == tanks[i].isDead:
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winners.append(tanks[i])
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else:
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break
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winner = random.choice(winners)
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html = ['<html>',
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'<head><title>Game %d results</title>',
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'<link href="/ctf.css" rel="stylesheet" type="text/css">',
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'</head>',
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'<body>',
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'<table><tr><th>Team<th>Kills<th>Cause of Death']
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for tank in tanks:
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if tank is winner:
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rowStyle = 'style="font-weight:bold; '\
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'background-color:%s"' % tank.color
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else:
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rowStyle = 'style="background-color:%s"' % tank.color
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if tank.name:
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name = xml.sax.saxutils.escape(tank.name)
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else:
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name = '#default'
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html.append('<tr %s><td>%s<td>%d<td>%s' %
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(rowStyle,
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name,
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len(kills[tank]),
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xml.sax.saxutils.escape(tank.deathReason)))
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html.append('</table><body></html>')
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# Write a blank file if the winner is a default tank..
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if winner.name != None:
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winnerFile.write(tanks[0].name)
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winnerFile.close()
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resultsFile.write('\n'.join(html))
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resultsFile.close()
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def _makeMovie(self):
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"""Make the game movie."""
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movieCmd = ['ffmpeg',
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'-r', '10', # Set the framerate to 10/second
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'-b', '400k', # Set the bitrate
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'-i', '%s/%%05d.ppm' % self._imageDir, # The input files.
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# '-vcodec', 'msmpeg4v2',
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'%s/game.avi' % self._gameDir]
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# movieCmd = ['mencoder', 'mf://%s/*.png' % self._imageDir,
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# '-mf', 'fps=10', '-o', '%s/game.avi' % self._gameDir,
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# '-ovc', 'lavc', '-lavcopts',
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# 'vcodec=msmpeg4v2:vbitrate=800']
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clearFrames = ['rm', '-rf', '%s' % self._imageDir]
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print 'Making Movie'
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# subprocess.call(movieCmd)
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subprocess.call(movieCmd, stderr=open('/dev/null', 'w'),
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stdout=open('/dev/null', 'w'))
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subprocess.call(clearFrames)
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def _outputErrors(self, tank):
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"""Output errors for each team."""
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if tank.name == None:
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return
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if tank._program.errors:
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print tank.name, 'has errors'
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fileName = os.path.join(self._errorDir, quote(tank.name))
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file = open(fileName, 'w')
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for error in tank._program.errors:
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file.write(error)
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file.write('\n')
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file.close()
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def _getNear(self):
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"""A dictionary of the set of tanks nearby each tank. Nearby is
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defined as within the square centered the tank with side length equal
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twice the sensor range. Only a few tanks within the set (those in the
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corners of the square) should be outside the sensor range."""
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self._tanksByX.sort(lambda t1, t2: cmp(t1.pos[0], t2.pos[0]))
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self._tanksByY.sort(lambda t1, t2: cmp(t1.pos[1], t2.pos[1]))
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nearX = {}
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nearY = {}
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for tank in self._tanksByX:
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nearX[tank] = set()
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nearY[tank] = set()
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numTanks = len(self._tanksByX)
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offset = 1
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for index in range(numTanks):
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cTank = self._tanksByX[index]
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maxRange = cTank.SENSOR_RANGE + cTank.RADIUS + 1
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near = set([cTank])
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for i in [(j + index) % numTanks for j in range(1, offset)]:
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near.add(self._tanksByX[i])
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while offset < numTanks:
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nTank = self._tanksByX[(index + offset) % numTanks]
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if (index + offset >= numTanks and
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self._board[0] + nTank.pos[0] - cTank.pos[0] < maxRange):
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near.add(nTank)
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offset = offset + 1
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elif (index + offset < numTanks and
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nTank.pos[0] - cTank.pos[0] < maxRange ):
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near.add(nTank)
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offset = offset + 1
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else:
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break
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if offset > 1:
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offset = offset - 1
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for tank in near:
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nearX[tank] = nearX[tank].union(near)
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offset = 1
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for index in range(numTanks):
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cTank = self._tanksByY[index]
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maxRange = cTank.SENSOR_RANGE + cTank.RADIUS + 1
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near = set([cTank])
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for i in [(j + index) % numTanks for j in range(1, offset)]:
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near.add(self._tanksByY[i])
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while offset < numTanks:
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nTank = self._tanksByY[(index + offset) % numTanks]
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if (index + offset < numTanks and
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nTank.pos[1] - cTank.pos[1] < maxRange):
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near.add(nTank)
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offset = offset + 1
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elif (index + offset >= numTanks and
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self._board[1] + nTank.pos[1] - cTank.pos[1] < maxRange):
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near.add(nTank)
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offset = offset + 1
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else:
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break
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if offset > 1:
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offset = offset - 1
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for tank in near:
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nearY[tank] = nearY[tank].union(near)
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near = {}
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for tank in self._tanksByX:
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near[tank] = nearX[tank].intersection(nearY[tank])
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near[tank].remove(tank)
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return near
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def _setupDirectories(self, dir):
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"""Setup all the directories needed by the game."""
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if not os.path.exists(dir):
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os.mkdir(dir)
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self._dir = dir
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# Don't run more than one game at the same time.
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self._lockFile = open(os.path.join(dir, '.lock'), 'a')
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try:
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fcntl.flock(self._lockFile, fcntl.LOCK_EX|fcntl.LOCK_NB)
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except:
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sys.exit(1)
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# Setup all the directories we'll need.
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self._resultsDir = os.path.join(dir, 'results')
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self._errorDir = os.path.join(dir, 'errors')
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self._imageDir = os.path.join(dir, 'frames')
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if not os.path.isdir(self._imageDir):
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os.mkdir( self._imageDir )
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self._playerDir = os.path.join(dir, 'ai', 'players')
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def _getDefaultAIs(self, dir, difficulty):
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"""Load all the 'computer' controlled bot AIs for the given
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difficulty."""
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defaultAIs = []
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path = os.path.join(dir, 'ai', difficulty)
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files = os.listdir( path )
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for file in files:
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if file.startswith('.'):
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continue
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path = os.path.join(dir, 'ai', difficulty, file)
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file = open( path )
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defaultAIs.append( file.read() )
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return defaultAIs
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def _getColors(self):
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"""Get the team colors from the passwd file. The passwd file location
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is set by self.TEAMS_FILE. Returns a dictionary of players->color"""
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errorColor = '#ffffff'
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try:
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file = open(self.TEAMS_FILE)
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except:
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return {}.fromkeys(players, errorColor)
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colors = {}
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for line in file:
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try:
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team, passwd, color = map(unquote, line.split('\t'))
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colors[team] = '#%s' % color
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except:
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colors[team] = errorColor
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return colors
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def _getGameNum(self):
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"""Figure out what game number this is from the past games played."""
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oldGames = os.listdir(self._resultsDir)
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games = []
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for dir in oldGames:
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try:
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games.append( int(dir) )
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except:
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continue
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games.sort(reverse=True)
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if games:
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return games[0] + 1
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else:
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return 0
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if __name__ == '__main__':
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import sys, traceback
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try:
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p = Pflanzarr(sys.argv[1], sys.argv[2])
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p.run( int(sys.argv[3]) )
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except:
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traceback.print_exc()
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print "Usage: python2.6 Pflanzarr.py dataDirectory easy|medium|hard #turns"
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