source: src/flight.py@ 9:3dac12e8914d

Last change on this file since 9:3dac12e8914d was 9:3dac12e8914d, checked in by István Váradi <ivaradi@…>, 12 years ago

Flare calculations are handled and added some other printouts

File size: 2.2 KB
Line 
1# Module related to the high-level tracking of the flight
2
3#---------------------------------------------------------------------------------------
4
5import const
6
7import threading
8
9#---------------------------------------------------------------------------------------
10
11class Flight(object):
12 """The object with the global flight state.
13
14 It is also the hub for the other main objects participating in the handling of
15 the flight."""
16 def __init__(self, logger):
17 """Construct the flight."""
18 self._stage = None
19 self.logger = logger
20 self.cruiseAltitude = None
21 self.flareTimeFromFS = False
22 self.aircraftType = None
23 self.aircraft = None
24 self.simulator = None
25
26 self._endCondition = threading.Condition()
27
28 self._flareStart = None
29 self._flareStartFS = None
30
31 @property
32 def stage(self):
33 """Get the flight stage."""
34 return self._stage
35
36 def setStage(self, timestamp, stage):
37 """Set the flight stage.
38
39 Returns if the stage has really changed."""
40 if stage!=self._stage:
41 self._stage = stage
42 self.logger.stage(timestamp, stage)
43 if stage==const.STAGE_END:
44 with self._endCondition:
45 self._endCondition.notify()
46 return True
47 else:
48 return False
49
50 def flareStarted(self, flareStart, flareStartFS):
51 """Called when the flare time has started."""
52 self._flareStart = flareStart
53 self._flareStartFS = flareStartFS
54
55 def flareFinished(self, flareEnd, flareEndFS):
56 """Called when the flare time has ended.
57
58 Return a tuple of the following items:
59 - a boolean indicating if FS time is used
60 - the flare time
61 """
62 if self.flareTimeFromFS:
63 return (True, flareEndFS - self._flareStartFS)
64 else:
65 return (False, flareEnd - self._flareStart)
66
67 def wait(self):
68 """Wait for the flight to end."""
69 with self._endCondition:
70 while self._stage!=const.STAGE_END:
71 self._endCondition.wait()
72
73#---------------------------------------------------------------------------------------
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