[8] | 1 | # Module related to the high-level tracking of the flight
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| 2 |
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| 3 | #---------------------------------------------------------------------------------------
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| 4 |
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| 5 | import const
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[89] | 6 | import util
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[8] | 7 |
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| 8 | import threading
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| 9 |
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| 10 | #---------------------------------------------------------------------------------------
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| 11 |
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[11] | 12 | class Options(object):
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| 13 | """Various configuration options."""
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| 14 | def __init__(self):
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| 15 | """Construct the object with default values."""
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| 16 | self.fs2Crew = False
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| 17 | self.compensation = None
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| 18 |
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| 19 | #---------------------------------------------------------------------------------------
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| 20 |
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[8] | 21 | class Flight(object):
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| 22 | """The object with the global flight state.
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| 23 |
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| 24 | It is also the hub for the other main objects participating in the handling of
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| 25 | the flight."""
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[29] | 26 | def __init__(self, logger, gui):
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[8] | 27 | """Construct the flight."""
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| 28 | self._stage = None
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| 29 | self.logger = logger
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[29] | 30 | self._gui = gui
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[11] | 31 |
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[31] | 32 | gui.resetFlightStatus()
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| 33 |
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[9] | 34 | self.flareTimeFromFS = False
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[11] | 35 | self.entranceExam = False
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| 36 |
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| 37 | self.options = Options()
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| 38 |
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[8] | 39 | self.aircraftType = None
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| 40 | self.aircraft = None
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| 41 | self.simulator = None
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| 42 |
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[89] | 43 | self.blockTimeStart = None
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| 44 | self.flightTimeStart = None
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| 45 | self.flightTimeEnd = None
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| 46 | self.blockTimeEnd = None
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| 47 |
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| 48 | self._lastDistanceTime = None
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| 49 | self._previousLatitude = None
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| 50 | self._previousLongitude = None
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| 51 | self.flownDistance = 0.0
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| 52 |
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| 53 | self.startFuel = None
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| 54 | self.endFuel = None
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| 55 |
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[8] | 56 | self._endCondition = threading.Condition()
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| 57 |
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[9] | 58 | self._flareStart = None
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| 59 | self._flareStartFS = None
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| 60 |
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[8] | 61 | @property
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| 62 | def stage(self):
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| 63 | """Get the flight stage."""
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| 64 | return self._stage
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| 65 |
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[84] | 66 | @property
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| 67 | def zfw(self):
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| 68 | """Get the Zero-Fuel Weight of the flight."""
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| 69 | return self._gui.zfw
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| 70 |
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| 71 | @property
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| 72 | def cruiseAltitude(self):
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| 73 | """Get the cruise altitude of the flight."""
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| 74 | return self._gui.cruiseAltitude
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| 75 |
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| 76 | @property
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| 77 | def v1(self):
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| 78 | """Get the V1 speed of the flight."""
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| 79 | return self._gui.v1
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| 80 |
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| 81 | @property
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| 82 | def vr(self):
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| 83 | """Get the Vr speed of the flight."""
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| 84 | return self._gui.vr
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| 85 |
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| 86 | @property
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| 87 | def v2(self):
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| 88 | """Get the V2 speed of the flight."""
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| 89 | return self._gui.v2
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| 90 |
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[86] | 91 | @property
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| 92 | def vref(self):
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| 93 | """Get the VRef speed of the flight."""
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| 94 | return self._gui.vref
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| 95 |
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[89] | 96 | def handleState(self, oldState, currentState):
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| 97 | """Handle a new state information."""
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| 98 | self._updateFlownDistance(currentState)
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| 99 |
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| 100 | self.endFuel = sum(currentState.fuel)
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| 101 | if self.startFuel is None:
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| 102 | self.startFuel = self.endFuel
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| 103 |
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[8] | 104 | def setStage(self, timestamp, stage):
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[9] | 105 | """Set the flight stage.
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| 106 |
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| 107 | Returns if the stage has really changed."""
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[8] | 108 | if stage!=self._stage:
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| 109 | self._stage = stage
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[84] | 110 | self._gui.setStage(stage)
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[8] | 111 | self.logger.stage(timestamp, stage)
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[89] | 112 | if stage==const.STAGE_PUSHANDTAXI:
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| 113 | self.blockTimeStart = timestamp
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| 114 | elif stage==const.STAGE_TAKEOFF:
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| 115 | self.flightTimeStart = timestamp
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| 116 | elif stage==const.STAGE_TAXIAFTERLAND:
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| 117 | self.flightTimeEnd = timestamp
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| 118 | elif stage==const.STAGE_PARKING:
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| 119 | self.blockTimeEnd = timestamp
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| 120 | elif stage==const.STAGE_END:
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[8] | 121 | with self._endCondition:
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| 122 | self._endCondition.notify()
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[9] | 123 | return True
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| 124 | else:
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| 125 | return False
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| 126 |
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[30] | 127 | def handleFault(self, faultID, timestamp, what, score):
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| 128 | """Handle the given fault.
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| 129 |
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| 130 | faultID as a unique ID for the given kind of fault. If another fault of
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| 131 | this ID has been reported earlier, it will be reported again only if
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| 132 | the score is greater than last time. This ID can be, e.g. the checker
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| 133 | the report comes from."""
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| 134 | self.logger.fault(faultID, timestamp, what, score)
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[31] | 135 | self._gui.setRating(self.logger.getRating())
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[30] | 136 |
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| 137 | def handleNoGo(self, faultID, timestamp, what, shortReason):
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| 138 | """Handle a No-Go fault."""
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| 139 | self.logger.noGo(faultID, timestamp, what)
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[31] | 140 | self._gui.setNoGo(shortReason)
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[30] | 141 |
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[9] | 142 | def flareStarted(self, flareStart, flareStartFS):
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| 143 | """Called when the flare time has started."""
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| 144 | self._flareStart = flareStart
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| 145 | self._flareStartFS = flareStartFS
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| 146 |
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| 147 | def flareFinished(self, flareEnd, flareEndFS):
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| 148 | """Called when the flare time has ended.
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| 149 |
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| 150 | Return a tuple of the following items:
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| 151 | - a boolean indicating if FS time is used
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| 152 | - the flare time
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| 153 | """
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| 154 | if self.flareTimeFromFS:
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| 155 | return (True, flareEndFS - self._flareStartFS)
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| 156 | else:
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| 157 | return (False, flareEnd - self._flareStart)
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[8] | 158 |
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| 159 | def wait(self):
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| 160 | """Wait for the flight to end."""
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| 161 | with self._endCondition:
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| 162 | while self._stage!=const.STAGE_END:
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[14] | 163 | self._endCondition.wait(1)
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[8] | 164 |
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[89] | 165 | def _updateFlownDistance(self, currentState):
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| 166 | """Update the flown distance."""
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| 167 | if not currentState.onTheGround:
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| 168 | updateData = False
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| 169 | if self._lastDistanceTime is None or \
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| 170 | self._previousLatitude is None or \
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| 171 | self._previousLongitude is None:
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| 172 | updateData = True
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| 173 | elif currentState.timestamp >= (self._lastDistanceTime + 30.0):
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| 174 | updateData = True
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| 175 | self.flownDistance += self._getDistance(currentState)
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| 176 |
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| 177 | if updateData:
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| 178 | self._previousLatitude = currentState.latitude
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| 179 | self._previousLongitude = currentState.longitude
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| 180 | self._lastDistanceTime = currentState.timestamp
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| 181 | else:
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| 182 | if self._lastDistanceTime is not None and \
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| 183 | self._previousLatitude is not None and \
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| 184 | self._previousLongitude is not None:
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| 185 | self.flownDistance += self._getDistance(currentState)
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| 186 |
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| 187 | self._lastDistanceTime = None
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| 188 |
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| 189 | def _getDistance(self, currentState):
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| 190 | """Get the distance between the previous and the current state."""
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| 191 | return util.getDistCourse(self._previousLatitude, self._previousLongitude,
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| 192 | currentState.latitude, currentState.longitude)[0]
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| 193 |
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[8] | 194 | #---------------------------------------------------------------------------------------
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