[170] | 1 | # Module to schedule the sounds to be played
|
---|
| 2 |
|
---|
| 3 | #------------------------------------------------------------------------------
|
---|
| 4 |
|
---|
| 5 | from sound import startSound
|
---|
| 6 | import const
|
---|
| 7 |
|
---|
| 8 | import threading
|
---|
| 9 |
|
---|
| 10 | #------------------------------------------------------------------------------
|
---|
| 11 |
|
---|
| 12 | class Sound(object):
|
---|
| 13 | """A sound (file) that should be played in certain circumstances."""
|
---|
| 14 |
|
---|
| 15 | # Common lock for sounds
|
---|
| 16 | _lock = threading.Lock()
|
---|
| 17 |
|
---|
| 18 | def __init__(self, name):
|
---|
| 19 | """Construct the sound object for the sound file with the given
|
---|
| 20 | name."""
|
---|
| 21 | self._name = name
|
---|
| 22 |
|
---|
| 23 | self._playing = 0
|
---|
| 24 |
|
---|
| 25 | @property
|
---|
| 26 | def playing(self):
|
---|
| 27 | """Determine if sound is playing or not."""
|
---|
| 28 | return self._playing>0
|
---|
| 29 |
|
---|
| 30 | def check(self, flight, state, pilotHotkeyPressed):
|
---|
| 31 | """Check if the file should be played, and if it should be, play it."""
|
---|
| 32 | if self.shouldPlay(flight, state, pilotHotkeyPressed):
|
---|
| 33 | with Sound._lock:
|
---|
| 34 | self._playing += 1
|
---|
| 35 | startSound(self._name, finishCallback = self._playbackDone)
|
---|
| 36 |
|
---|
| 37 | def shouldPlay(self, flight, state, pilotHotkeyPressed):
|
---|
| 38 | """Determine if the sound should be played.
|
---|
| 39 |
|
---|
| 40 | This default implementation returns False."""
|
---|
| 41 | return False
|
---|
| 42 |
|
---|
| 43 | def _playbackDone(self, success, extra):
|
---|
| 44 | """Called when the playback of thee sound has finished (or failed)."""
|
---|
| 45 | if success is None:
|
---|
| 46 | print "Failed to start sound", self._name
|
---|
| 47 | elif not success:
|
---|
| 48 | print "Failed to finish sound", self._name
|
---|
| 49 | with Sound._lock:
|
---|
| 50 | self._playing -= 1
|
---|
| 51 |
|
---|
| 52 | #------------------------------------------------------------------------------
|
---|
| 53 |
|
---|
| 54 | class ScreamSound(Sound):
|
---|
| 55 | """A screaming sound that is played under certain circumstance."""
|
---|
| 56 | def __init__(self):
|
---|
| 57 | """Construct the screaming sound."""
|
---|
| 58 | super(ScreamSound, self).__init__(const.SOUND_SCREAM)
|
---|
| 59 |
|
---|
| 60 | def shouldPlay(self, flight, state, pilotHotkeyPressed):
|
---|
| 61 | """Determine if the sound should be played.
|
---|
| 62 |
|
---|
| 63 | It should be played if it is not being played and the absolute value of
|
---|
| 64 | the vertical speed is greater than 6000 fpm."""
|
---|
| 65 | return not self.playing and abs(state.vs)>6000
|
---|
| 66 |
|
---|
| 67 | #------------------------------------------------------------------------------
|
---|
| 68 |
|
---|
| 69 | class SimpleSound(Sound):
|
---|
| 70 | """A simple sound that should be played only once, in a certain flight
|
---|
| 71 | stage when the hotkey has been pressed or it is not the pilot who controls
|
---|
| 72 | the sounds.
|
---|
| 73 |
|
---|
| 74 | If it is not the pilot who controls the sounds, it may be delayed relative
|
---|
| 75 | to the first detection of a certain flight stage."""
|
---|
| 76 | def __init__(self, name, stage, delay = 0.0, extraCondition = None,
|
---|
| 77 | considerHotkey = True, previousSound = None):
|
---|
| 78 | """Construct the simple sound."""
|
---|
| 79 | super(SimpleSound, self).__init__(name)
|
---|
| 80 |
|
---|
| 81 | self._stage = stage
|
---|
| 82 | self._delay = delay
|
---|
| 83 | self._extraCondition = extraCondition
|
---|
| 84 | self._considerHotkey = considerHotkey
|
---|
| 85 | self._previousSound = previousSound
|
---|
| 86 |
|
---|
| 87 | self._played = False
|
---|
| 88 | self._stageDetectionTime = None
|
---|
| 89 |
|
---|
| 90 | def shouldPlay(self, flight, state, pilotHotkeyPressed):
|
---|
| 91 | """Determine if the sound should be played."""
|
---|
| 92 | if flight.stage!=self._stage or self._played or \
|
---|
| 93 | (self._previousSound is not None and
|
---|
| 94 | self._previousSound.playing):
|
---|
| 95 | return False
|
---|
| 96 |
|
---|
| 97 | toPlay = False
|
---|
| 98 | if flight.config.pilotControlsSounds and self._considerHotkey:
|
---|
| 99 | toPlay = pilotHotkeyPressed
|
---|
| 100 | else:
|
---|
| 101 | if self._stageDetectionTime is None:
|
---|
| 102 | self._stageDetectionTime = state.timestamp
|
---|
| 103 | toPlay = state.timestamp>=(self._stageDetectionTime + self._delay)
|
---|
| 104 | if toPlay and self._extraCondition is not None:
|
---|
| 105 | toPlay = self._extraCondition(flight, state)
|
---|
| 106 |
|
---|
| 107 | if toPlay:
|
---|
| 108 | self._played = True
|
---|
| 109 |
|
---|
| 110 | return toPlay
|
---|
| 111 |
|
---|
| 112 | #------------------------------------------------------------------------------
|
---|
| 113 |
|
---|
| 114 | class TaxiSound(SimpleSound):
|
---|
| 115 | """The taxi sound.
|
---|
| 116 |
|
---|
| 117 | It first plays the Malev theme song, then an aircraft-specific taxi
|
---|
| 118 | sound. The playback is started only, if the boarding sound is not being
|
---|
| 119 | played."""
|
---|
| 120 |
|
---|
| 121 | _sounds = { const.AIRCRAFT_B736 : const.SOUND_TAXI_BOEING737NG,
|
---|
| 122 | const.AIRCRAFT_B737 : const.SOUND_TAXI_BOEING737NG,
|
---|
| 123 | const.AIRCRAFT_B738 : const.SOUND_TAXI_BOEING737NG,
|
---|
| 124 | const.AIRCRAFT_B762 : const.SOUND_TAXI_BOEING767,
|
---|
| 125 | const.AIRCRAFT_B763 : const.SOUND_TAXI_BOEING767,
|
---|
| 126 | const.AIRCRAFT_F70 : const.SOUND_TAXI_F70 }
|
---|
| 127 |
|
---|
| 128 | def __init__(self, flight, boardingSound = None):
|
---|
| 129 | """Construct the taxi sound."""
|
---|
| 130 | super(TaxiSound, self).__init__(const.SOUND_MALEV,
|
---|
| 131 | const.STAGE_PUSHANDTAXI,
|
---|
| 132 | previousSound = boardingSound,
|
---|
| 133 | extraCondition = lambda _flight, state:
|
---|
| 134 | state.groundSpeed>5)
|
---|
| 135 |
|
---|
| 136 | self._flight = flight
|
---|
| 137 |
|
---|
| 138 | def _playbackDone(self, success, extra):
|
---|
| 139 | """Called when the playback is done.
|
---|
| 140 |
|
---|
| 141 | It starts playing the aircraft type-specific taxi sound, if any."""
|
---|
| 142 | super(TaxiSound, self)._playbackDone(success, extra)
|
---|
| 143 | aircraftType = self._flight.aircraftType
|
---|
| 144 | sounds = TaxiSound._sounds
|
---|
| 145 | if aircraftType in sounds:
|
---|
| 146 | startSound(sounds[aircraftType])
|
---|
| 147 |
|
---|
| 148 | #------------------------------------------------------------------------------
|
---|
| 149 |
|
---|
| 150 | class TouchdownApplause(Sound):
|
---|
| 151 | """An applause sound that is played after a gentle touchdown."""
|
---|
| 152 | def __init__(self):
|
---|
| 153 | super(TouchdownApplause, self).__init__(const.SOUND_APPLAUSE)
|
---|
| 154 |
|
---|
| 155 | self._touchdownTime = None
|
---|
| 156 | self._played = False
|
---|
| 157 |
|
---|
| 158 | def shouldPlay(self, flight, state, pilotHotkeyPressed):
|
---|
| 159 | """Determine if the sound should be played.
|
---|
| 160 |
|
---|
| 161 | It should be played if we are 2 seconds after a gentle touchdown."""
|
---|
| 162 | if self._played or flight.tdRate is None:
|
---|
| 163 | return False
|
---|
| 164 |
|
---|
| 165 | if self._touchdownTime is None:
|
---|
| 166 | self._touchdownTime = state.timestamp
|
---|
| 167 |
|
---|
| 168 | if state.timestamp>=(self._touchdownTime + 2) and \
|
---|
| 169 | flight.tdRate<150:
|
---|
| 170 | self._played = True
|
---|
| 171 | return True
|
---|
| 172 | else:
|
---|
| 173 | return False
|
---|
| 174 |
|
---|
| 175 | #------------------------------------------------------------------------------
|
---|
| 176 |
|
---|
| 177 | class SoundScheduler(object):
|
---|
| 178 | """A scheduler for the sounds."""
|
---|
| 179 | def __init__(self, flight):
|
---|
| 180 | """Construct the sound scheduler for the given flight."""
|
---|
| 181 | self._flight = flight
|
---|
| 182 | self._sounds = []
|
---|
| 183 |
|
---|
| 184 | self._sounds.append(ScreamSound())
|
---|
| 185 |
|
---|
| 186 | boardingSound = SimpleSound(const.SOUND_BOARDING,
|
---|
| 187 | const.STAGE_BOARDING,
|
---|
| 188 | delay = 10.0)
|
---|
| 189 | self._sounds.append(boardingSound)
|
---|
| 190 | self._sounds.append(TaxiSound(flight, boardingSound))
|
---|
| 191 | self._sounds.append(SimpleSound(const.SOUND_CAPTAIN_TAKEOFF,
|
---|
| 192 | const.STAGE_TAKEOFF,
|
---|
| 193 | extraCondition = lambda flight, state:
|
---|
| 194 | state.landingLightsOn or state.gs>80,
|
---|
| 195 | considerHotkey = False))
|
---|
| 196 | self._sounds.append(SimpleSound(const.SOUND_CRUISE, const.STAGE_CRUISE))
|
---|
| 197 | self._sounds.append(SimpleSound(const.SOUND_DESCENT, const.STAGE_DESCENT,
|
---|
| 198 | extraCondition = lambda flight, state:
|
---|
| 199 | state.altitude<15000))
|
---|
| 200 | self._sounds.append(TouchdownApplause())
|
---|
| 201 | self._sounds.append(SimpleSound(const.SOUND_TAXIAFTERLAND,
|
---|
| 202 | const.STAGE_TAXIAFTERLAND,
|
---|
| 203 | delay = 10.0))
|
---|
| 204 |
|
---|
| 205 | def schedule(self, state, pilotHotkeyPressed):
|
---|
| 206 | """Schedule any sound, if needed."""
|
---|
| 207 | flight = self._flight
|
---|
| 208 | if flight.config.enableSounds:
|
---|
| 209 | for sound in self._sounds:
|
---|
| 210 | sound.check(flight, state, pilotHotkeyPressed)
|
---|
| 211 |
|
---|
| 212 | #------------------------------------------------------------------------------
|
---|