This file is indexed.

/usr/share/games/fretsonfire/game/GameEngine.py is in fretsonfire-game 1.3.110.dfsg2-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
#####################################################################
# -*- coding: iso-8859-1 -*-                                        #
#                                                                   #
# Frets on Fire                                                     #
# Copyright (C) 2006 Sami Kyöstilä                                  #
#                                                                   #
# This program is free software; you can redistribute it and/or     #
# modify it under the terms of the GNU General Public License       #
# as published by the Free Software Foundation; either version 2    #
# of the License, or (at your option) any later version.            #
#                                                                   #
# This program is distributed in the hope that it will be useful,   #
# but WITHOUT ANY WARRANTY; without even the implied warranty of    #
# MERCHANTABILITY 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, write to the Free Software       #
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,        #
# MA  02110-1301, USA.                                              #
#####################################################################

from OpenGL.GL import *
import pygame
import os
import sys

from Engine import Engine, Task
from Video import Video
from Audio import Audio
from View import View
from Input import Input, KeyListener, SystemEventListener
from Resource import Resource
from Data import Data
from Server import Server
from Session import ClientSession
from Svg import SvgContext, SvgDrawing, LOW_QUALITY, NORMAL_QUALITY, HIGH_QUALITY
from Debug import DebugLayer
from Language import _
import Network
import Log
import Config
import Dialogs
import Theme
import Version
import Mod

# define configuration keys
Config.define("engine", "tickrate",     float, 1.0)
Config.define("engine", "highpriority", bool,  True)
Config.define("game",   "uploadscores", bool,  False, text = _("Upload Highscores"),    options = {False: _("No"), True: _("Yes")})
Config.define("game",   "uploadurl",    str,   "http://fretsonfire.sourceforge.net/play")
Config.define("game",   "leftymode",    bool,  False, text = _("Lefty mode"),           options = {False: _("No"), True: _("Yes")})
Config.define("game",   "tapping",      bool,  True,  text = _("Tappable notes"),       options = {False: _("No"), True: _("Yes")})
Config.define("video",  "fullscreen",   bool,  False, text = _("Fullscreen Mode"),      options = {False: _("No"), True: _("Yes")})
Config.define("video",  "multisamples", int,   4,     text = _("Antialiasing Quality"), options = {0: _("None"), 2: _("2x"), 4: _("4x"), 6: _("6x"), 8: _("8x")})
Config.define("video",  "resolution",   str,   "640x480")
Config.define("video",  "fps",          int,   80,    text = _("Frames per Second"), options = dict([(n, n) for n in range(1, 120)]))
#Config.define("opengl", "svgquality",   int,   NORMAL_QUALITY,  text = _("SVG Quality"), options = {LOW_QUALITY: _("Low"), NORMAL_QUALITY: _("Normal"), HIGH_QUALITY: _("High")})
Config.define("audio",  "frequency",    int,   44100, text = _("Sample Frequency"), options = [8000, 11025, 22050, 32000, 44100, 48000])
Config.define("audio",  "bits",         int,   16,    text = _("Sample Bits"), options = [16, 8])
Config.define("audio",  "stereo",       bool,  True)
Config.define("audio",  "buffersize",   int,   2048,  text = _("Buffer Size"), options = [256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536])
Config.define("audio",  "delay",        int,   100,   text = _("A/V delay"), options = dict([(n, n) for n in range(0, 301)]))
Config.define("audio",  "screwupvol", float,   0.25,  text = _("Screw Up Sounds"), options = {0.0: _("Off"), .25: _("Quiet"), .5: _("Loud"), 1.0: _("Painful")})
Config.define("audio",  "guitarvol",  float,    1.0,  text = _("Guitar Volume"),   options = dict([(n / 100.0, "%02d/10" % (n / 9)) for n in range(0, 110, 10)]))
Config.define("audio",  "songvol",    float,    1.0,  text = _("Song Volume"),     options = dict([(n / 100.0, "%02d/10" % (n / 9)) for n in range(0, 110, 10)]))
Config.define("audio",  "rhythmvol",  float,    1.0,  text = _("Rhythm Volume"),   options = dict([(n / 100.0, "%02d/10" % (n / 9)) for n in range(0, 110, 10)]))
Config.define("video",  "fontscale",  float,    1.0,  text = _("Text scale"),      options = dict([(n / 100.0, "%3d%%" % n) for n in range(50, 260, 10)]))

class FullScreenSwitcher(KeyListener):
  """
  A keyboard listener that looks for special built-in key combinations,
  such as the fullscreen toggle (Alt-Enter).
  """
  def __init__(self, engine):
    self.engine = engine
    self.altStatus = False
  
  def keyPressed(self, key, unicode):
    if key == pygame.K_LALT:
      self.altStatus = True
    elif key == pygame.K_RETURN and self.altStatus:
      if not self.engine.toggleFullscreen():
        Log.error("Unable to toggle fullscreen mode.")
      return True
    elif key == pygame.K_d and self.altStatus:
      self.engine.setDebugModeEnabled(not self.engine.isDebugModeEnabled())
      return True
    elif key == pygame.K_g and self.altStatus and self.engine.isDebugModeEnabled():
      self.engine.debugLayer.gcDump()
      return True

  def keyReleased(self, key):
    if key == pygame.K_LALT:
      self.altStatus = False
      
class SystemEventHandler(SystemEventListener):
  """
  A system event listener that takes care of restarting the game when needed
  and reacting to screen resize events.
  """
  def __init__(self, engine):
    self.engine = engine

  def screenResized(self, size):
    self.engine.resizeScreen(size[0], size[1])
    
  def restartRequested(self):
    self.engine.restart()
    
  def quit(self):
    self.engine.quit()

class GameEngine(Engine):
  """The main game engine."""
  def __init__(self, config = None):
    """
    Constructor.

    @param config:  L{Config} instance for settings
    """

    if not config:
      config = Config.load()
      
    self.config  = config
    
    fps          = self.config.get("video", "fps")
    tickrate     = self.config.get("engine", "tickrate")
    Engine.__init__(self, fps = fps, tickrate = tickrate)
    
    pygame.init()
    
    self.title             = _("Frets on Fire")
    self.restartRequested  = False
    self.handlingException = False
    self.video             = Video(self.title)
    self.audio             = Audio()

    Log.debug("Initializing audio.")
    frequency    = self.config.get("audio", "frequency")
    bits         = self.config.get("audio", "bits")
    stereo       = self.config.get("audio", "stereo")
    bufferSize   = self.config.get("audio", "buffersize")
    
    self.audio.pre_open(frequency = frequency, bits = bits, stereo = stereo, bufferSize = bufferSize)
    pygame.init()
    self.audio.open(frequency = frequency, bits = bits, stereo = stereo, bufferSize = bufferSize)

    Log.debug("Initializing video.")
    width, height = [int(s) for s in self.config.get("video", "resolution").split("x")]
    fullscreen    = self.config.get("video", "fullscreen")
    multisamples  = self.config.get("video", "multisamples")
    self.video.setMode((width, height), fullscreen = fullscreen, multisamples = multisamples)

    # Enable the high priority timer if configured
    if self.config.get("engine", "highpriority"):
      Log.debug("Enabling high priority timer.")
      self.timer.highPriority = True

    viewport = glGetIntegerv(GL_VIEWPORT)
    h = viewport[3] - viewport[1]
    w = viewport[2] - viewport[0]
    geometry = (0, 0, w, h)
    self.svg = SvgContext(geometry)
    self.svg.setRenderingQuality(self.config.get("opengl", "svgquality"))
    glw = int(viewport[2])
    glh = int(viewport[3])
    glViewport(int(viewport[0]), int(viewport[1]), int(glh), int(glh))

    self.input     = Input()
    self.view      = View(self, geometry)
    self.resizeScreen(w, h)

    self.resource  = Resource(Version.dataPath())
    self.server    = None
    self.sessions  = []
    self.mainloop  = self.loading
    
    # Load game modifications
    Mod.init(self)
    theme = Config.load(self.resource.fileName("theme.ini"))
    Theme.open(theme)

    # Make sure we are using the new upload URL
    if self.config.get("game", "uploadurl").startswith("http://kempele.fi"):
      self.config.set("game", "uploadurl", "http://fretsonfire.sourceforge.net/play")

    self.addTask(self.audio, synchronized = False)
    self.addTask(self.input, synchronized = False)
    self.addTask(self.view)
    self.addTask(self.resource, synchronized = False)
    self.data = Data(self.resource, self.svg)
    
    self.input.addKeyListener(FullScreenSwitcher(self), priority = True)
    self.input.addSystemEventListener(SystemEventHandler(self))

    self.debugLayer         = None
    self.startupLayer       = None
    self.loadingScreenShown = False

    Log.debug("Ready.")

  def setStartupLayer(self, startupLayer):
    """
    Set the L{Layer} that will be shown when the all
    the resources have been loaded. See L{Data}

    @param startupLayer:    Startup L{Layer}
    """
    self.startupLayer = startupLayer

  def isDebugModeEnabled(self):
    return bool(self.debugLayer)
    
  def setDebugModeEnabled(self, enabled):
    """
    Show or hide the debug layer.

    @type enabled: bool
    """
    if enabled:
      self.debugLayer = DebugLayer(self)
    else:
      self.debugLayer = None
    
  def toggleFullscreen(self):
    """
    Toggle between fullscreen and windowed mode.

    @return: True on success
    """
    if not self.video.toggleFullscreen():
      # on windows, the fullscreen toggle kills our textures, se we must restart the whole game
      self.input.broadcastSystemEvent("restartRequested")
      self.config.set("video", "fullscreen", not self.video.fullscreen)
      return True
    self.config.set("video", "fullscreen", self.video.fullscreen)
    return True
    
  def restart(self):
    """Restart the game."""
    if not self.restartRequested:
      self.restartRequested = True
      self.input.broadcastSystemEvent("restartRequested")
    else:
      self.quit()
    
  def quit(self):
    self.audio.close()
    Engine.quit(self)

  def resizeScreen(self, width, height):
    """
    Resize the game screen.

    @param width:   New width in pixels
    @param height:  New height in pixels
    """
    self.view.setGeometry((0, 0, width, height))
    self.svg.setGeometry((0, 0, width, height))
    
  def isServerRunning(self):
    return bool(self.server)

  def startServer(self):
    """Start the game server."""
    if not self.server:
      Log.debug("Starting server.")
      self.server = Server(self)
      self.addTask(self.server, synchronized = False)

  def connect(self, host):
    """
    Connect to a game server.

    @param host:  Name of host to connect to
    @return:      L{Session} connected to remote server
    """
    Log.debug("Connecting to host %s." % host)
    session = ClientSession(self)
    session.connect(host)
    self.addTask(session, synchronized = False)
    self.sessions.append(session)
    return session

  def stopServer(self):
    """Stop the game server."""
    if self.server:
      Log.debug("Stopping server.")
      self.removeTask(self.server)
      self.server = None

  def disconnect(self, session):
    """
    Disconnect a L{Session}

    param session:    L{Session} to disconnect
    """
    if session in self.sessions:
      Log.debug("Disconnecting.")
      self.removeTask(session)
      self.sessions.remove(session)

  def loadSvgDrawing(self, target, name, fileName, textureSize = None):
    """
    Load an SVG drawing synchronously.
    
    @param target:      An object that will own the drawing
    @param name:        The name of the attribute the drawing will be assigned to
    @param fileName:    The name of the file in the data directory
    @param textureSize  Either None or (x, y), in which case the file will
                        be rendered to an x by y texture
    @return:            L{SvgDrawing} instance
    """
    return self.data.loadSvgDrawing(target, name, fileName, textureSize)

  def loading(self):
    """Loading state loop."""
    done = Engine.run(self)
    self.clearScreen()
    
    if self.data.essentialResourcesLoaded():
      if not self.loadingScreenShown:
        self.loadingScreenShown = True
        Dialogs.showLoadingScreen(self, self.data.resourcesLoaded)
        if self.startupLayer:
          self.view.pushLayer(self.startupLayer)
        self.mainloop = self.main
      self.view.render()
    self.video.flip()
    return done

  def clearScreen(self):
    self.svg.clear(*Theme.backgroundColor)

  def main(self):
    """Main state loop."""

    # Tune the scheduler priority so that transitions are as smooth as possible
    if self.view.isTransitionInProgress():
      self.boostBackgroundThreads(False)
    else:
      self.boostBackgroundThreads(True)
    
    done = Engine.run(self)
    self.clearScreen()
    self.view.render()
    if self.debugLayer:
      self.debugLayer.render(1.0, True)
    self.video.flip()
    return done

  def run(self):
    try:
      return self.mainloop()
    except KeyboardInterrupt:
      sys.exit(0)
    except SystemExit:
      sys.exit(0)
    except Exception, e:
      def clearMatrixStack(stack):
        try:
          glMatrixMode(stack)
          for i in range(16):
            glPopMatrix()
        except:
          pass

      if self.handlingException:
        # A recursive exception is fatal as we can't reliably reset the GL state
        sys.exit(1)

      self.handlingException = True
      Log.error("%s: %s" % (e.__class__, e))
      import traceback
      traceback.print_exc()

      clearMatrixStack(GL_PROJECTION)
      clearMatrixStack(GL_MODELVIEW)
      
      Dialogs.showMessage(self, unicode(e))
      self.handlingException = False
      return True