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source: src/mlx/xplane.py@ 985:f5569c17e934

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python3

Last change on this file since 985:f5569c17e934 was 973:6b82c047497f, checked in by István Váradi <ivaradi@…>, 5 years ago
Removed latin-1 decoder from the X-Plane adaptor (re #347)
File size: 78.1 KB

Line
1
2	from . import fs
3	from . import const
4	from . import util
5	from .watchdog import Watchdog
6
7	import threading
8	import time
9	import calendar
10	import datetime
11	import sys
12	import codecs
13	import math
14	from functools import total_ordering
15
16	from xplra import XPlane, MultiGetter, MultiSetter, ProtocolException
17	from xplra import TYPE_INT, TYPE_FLOAT, TYPE_DOUBLE
18	from xplra import TYPE_FLOAT_ARRAY, TYPE_INT_ARRAY, TYPE_BYTE_ARRAY
19	from xplra import HOTKEY_MODIFIER_SHIFT, HOTKEY_MODIFIER_CONTROL
20
21	#------------------------------------------------------------------------------
22
23	## @package mlx.xplane
24	#
25	# The module towards X-Plane
26	#
27	# This module implements the simulator interface to X-Plane via the
28	# X-Plane Remote Access (xplra) plugin.
29
30	#------------------------------------------------------------------------------
31
32	_hgin2hpa = 1013.25 / 29.92
33
34	_mps2knots = 3600.0 / 1852
35
36	#------------------------------------------------------------------------------
37
38	class Request(object):
39	"""Base class for one-shot requests."""
40	def __init__(self, handler, callback, extra):
41	"""Construct the request."""
42	self._handler = handler
43	self._callback = callback
44	self._extra = extra
45	self._result = None
46
47	def process(self, time):
48	"""Process the request.
49
50	Return True if the request has succeeded, False if data validation
51	has failed for a reading request. An exception may also be thrown
52	if there is some lower-level communication problem."""
53	if self._process(time):
54	Handler._callSafe(lambda: self._callback(self._result,
55	self._extra))
56	return True
57	else:
58	return False
59
60	def fail(self):
61	"""Handle the failure of this request."""
62	Handler._callSafe(lambda: self._callback(False, self._extra))
63
64	class DataRequest(Request):
65	"""A simple, one-shot data read or write request."""
66	def __init__(self, handler, forWrite, data, callback, extra,
67	validator = None):
68	"""Construct the request."""
69	super(DataRequest, self).__init__(handler, callback, extra)
70
71	self._forWrite = forWrite
72	self._validator = validator
73
74	xplane = handler._xplane
75	self._multiBuffer = xplane.createMultiSetter() if forWrite \
76	else xplane.createMultiGetter()
77
78	Handler._setupMultiBuffer(self._multiBuffer,
79	[(d[0], d[1]) for d in data])
80
81	if forWrite:
82	index = 0
83	for (_, _, value) in data:
84	self._multiBuffer[index] = value
85	index += 1
86
87
88	def fail(self):
89	"""Handle the failure of this request."""
90	if self._forWrite:
91	super(DataRequest, self).fail()
92	else:
93	Handler._callSafe(lambda: self._callback(None, self._extra))
94
95	def _process(self, time):
96	"""Process the request."""
97	if self._forWrite:
98	self._multiBuffer.execute()
99	self._result = True
100	return True
101
102	try:
103	if Handler._performRead(self._multiBuffer,
104	self._extra, self._validator):
105	self._result = self._multiBuffer
106	return True
107	else:
108	return False
109	except ProtocolException as e:
110	self._result = None
111	return True
112
113	class ShowMessageRequest(Request):
114	"""Request to show a message in the simulator window."""
115	def __init__(self, handler, message, duration, callback, extra):
116	"""Construct the request."""
117	super(ShowMessageRequest, self).__init__(handler,
118	callback, extra)
119	self._message = message
120	self._duration = duration
121
122	def _process(self, time):
123	"""Process the request."""
124	self._handler._xplane.showMessage(self._message, self._duration)
125	self._result = True
126	return True
127
128	class RegisterHotkeysRequest(Request):
129	"""Request to register hotkeys with the simulator."""
130	def __init__(self, handler, hotkeyCodes, callback, extra):
131	"""Construct the request."""
132	super(RegisterHotkeysRequest, self).__init__(handler,
133	callback,
134	extra)
135	self._hotkeyCodes = hotkeyCodes
136
137	def _process(self, time):
138	"""Process the request."""
139	self._handler._xplane.registerHotkeys(self._hotkeyCodes)
140	self._result = True
141	return True
142
143	class UnregisterHotkeysRequest(Request):
144	"""Request to register hotkeys with the simulator."""
145	def _process(self, time):
146	"""Process the request."""
147	self._handler._xplane.unregisterHotkeys()
148	self._result = True
149	return True
150
151	@total_ordering
152	class PeriodicRequest(object):
153	"""A periodic request."""
154	def __init__(self, handler, id, period, callback, extra):
155	"""Construct the periodic request."""
156	self._handler = handler
157	self._id = id
158	self._period = period
159	self._nextFire = time.time()
160	self._callback = callback
161	self._extra = extra
162	self._result = None
163
164	@property
165	def id(self):
166	"""Get the ID of this periodic request."""
167	return self._id
168
169	@property
170	def nextFire(self):
171	"""Get the next firing time."""
172	return self._nextFire
173
174	def process(self, now):
175	"""Check if this request should be executed, and if so, do so.
176
177	now is the time at which the request is being executed. If this
178	function is called too early, nothing is done, and True is
179	returned.
180
181	Return True if the request has succeeded, False if data validation
182	has failed. An exception may also be thrown if there is some
183	lower-level communication problem."""
184	if now<self._nextFire:
185	return True
186
187	isOK = self._process(time)
188
189	if isOK:
190	Handler._callSafe(lambda: self._callback(self._result,
191	self._extra))
192	now = time.time()
193	while self._nextFire <= now:
194	self._nextFire += self._period
195
196	return isOK
197
198	def fail(self):
199	"""Handle the failure of this request."""
200	pass
201
202	def __eq__(self, other):
203	"""Equality comparison by the firing times"""
204	return self._nextFire == other._nextFire
205
206	def __ne__(self, other):
207	"""Non-equality comparison by the firing times"""
208	return self._nextFire != other._nextFire
209
210	def __lt__(self, other):
211	"""Less-than comparison by the firing times"""
212	return self._nextFire < other._nextFire
213
214	class PeriodicDataRequest(PeriodicRequest):
215	"""A periodic request."""
216	def __init__(self, handler, id, period, data, callback, extra,
217	validator):
218	"""Construct the periodic request."""
219	super(PeriodicDataRequest, self).__init__(handler, id, period,
220	callback, extra)
221	self._validator = validator
222	self._multiGetter = handler._xplane.createMultiGetter()
223	Handler._setupMultiBuffer(self._multiGetter, data)
224
225	def _process(self, now):
226	"""Process the request."""
227	if Handler._performRead(self._multiGetter,
228	self._extra, self._validator):
229	self._result = self._multiGetter
230	return True
231	else:
232	return False
233
234	#------------------------------------------------------------------------------
235
236	class HotkeysStateRequest(PeriodicRequest):
237	"""Periodic hotkey query request."""
238	def _process(self, now):
239	"""Process the request."""
240	self._result = self._handler._xplane.queryHotkeys()
241	return True
242
243	#------------------------------------------------------------------------------
244
245	class Handler(threading.Thread):
246	"""The thread to handle the requests towards X-Plane."""
247	@staticmethod
248	def _callSafe(fun):
249	"""Call the given function and swallow any exceptions."""
250	try:
251	return fun()
252	except Exception as e:
253	print(util.utf2unicode(str(e)), file=sys.stderr)
254	return None
255
256	# The number of times a read is attempted
257	NUM_READATTEMPTS = 3
258
259	# The number of connection attempts
260	NUM_CONNECTATTEMPTS = 3
261
262	# The interval between successive connect attempts
263	CONNECT_INTERVAL = 0.25
264
265	@staticmethod
266	def _setupMultiBuffer(buffer, dataSpec):
267	"""Setup the given multi-dataref buffer for the given data
268	specification.
269
270	The specification is a list of tuples of two items:
271	- the name of the dataref
272	- the type of the dataref. It can be one of the following:
273	- an integer denoting the type. If it denotes an array type, the
274	length will be -1 (i.e. as many as returned when reading the
275	value), and the offset will be 0
276	- a tuple of two or three items:
277	- the first item is the type constant
278	- the second item is the length
279	- the third item is the offset, which defaults to 0."""
280	for (name, typeInfo) in dataSpec:
281	length = -1
282	offset = 0
283	type = 0
284	if isinstance(typeInfo, tuple):
285	type = typeInfo[0]
286	length = typeInfo[1]
287	offset = 0 if len(typeInfo)<3 else typeInfo[2]
288	else:
289	type = typeInfo
290
291	if type==TYPE_INT:
292	buffer.addInt(name)
293	elif type==TYPE_FLOAT:
294	buffer.addFloat(name)
295	elif type==TYPE_DOUBLE:
296	buffer.addDouble(name)
297	elif type==TYPE_FLOAT_ARRAY:
298	buffer.addFloatArray(name, length = length, offset = offset)
299	elif type==TYPE_INT_ARRAY:
300	buffer.addIntArray(name, length = length, offset = offset)
301	elif type==TYPE_BYTE_ARRAY:
302	buffer.addByteArray(name, length = length, offset = offset)
303	else:
304	raise TypeError("xplane.Handler._setupMultiBuffer: invalid type info: %s for dataref '%s'" % (typeInfo, name))
305
306
307
308	@staticmethod
309	def _performRead(multiGetter, extra, validator):
310	"""Perform a read request.
311
312	If there is a validator, that will be called with the return values,
313	and if the values are wrong, the request is retried at most a certain
314	number of times.
315
316	Return True if the request has succeeded, False if validation has
317	failed during all attempts. An exception may also be thrown if there is
318	some lower-level communication problem."""
319	attemptsLeft = Handler.NUM_READATTEMPTS
320	while attemptsLeft>0:
321	try:
322	multiGetter.execute()
323	except ProtocolException as e:
324	print("xplane.Handler._performRead: " + str(e))
325	raise
326
327	if validator is None or \
328	Handler._callSafe(lambda: validator(multiGetter, extra)):
329	return True
330	else:
331	attemptsLeft -= 1
332	return False
333
334	def __init__(self, connectionListener,
335	connectAttempts = -1, connectInterval = 0.2):
336	"""Construct the handler with the given connection listener."""
337	threading.Thread.__init__(self)
338
339	self._connectionListener = connectionListener
340	self._connectAttempts = connectAttempts
341	self._connectInterval = connectInterval
342
343	self._xplane = XPlane()
344
345	self._requestCondition = threading.Condition()
346	self._connectionRequested = False
347	self._connected = False
348
349	self._requests = []
350	self._nextPeriodicID = 1
351	self._periodicRequests = []
352
353	self._watchdogClient = Watchdog.get().addClient(2.0, "xplane.Handler")
354
355	self.daemon = True
356
357	def requestRead(self, data, callback, extra = None, validator = None):
358	"""Request the reading of some data.
359
360	data is a list of tuples of the following items:
361	- the offset of the data as an integer
362	- the type letter of the data as a string
363
364	callback is a function that receives two pieces of data:
365	- the values retrieved or None on error
366	- the extra parameter
367
368	It will be called in the handler's thread!
369	"""
370	with self._requestCondition:
371	self._requests.append(DataRequest(self, False, data,
372	callback, extra,
373	validator))
374	self._requestCondition.notify()
375
376	def requestWrite(self, data, callback, extra = None):
377	"""Request the writing of some data.
378
379	data is a list of tuples of the following items:
380	- the offset of the data as an integer
381	- the type letter of the data as a string
382	- the data to write
383
384	callback is a function that receives two pieces of data:
385	- a boolean indicating if writing was successful
386	- the extra data
387	It will be called in the handler's thread!
388	"""
389	with self._requestCondition:
390	request = DataRequest(self, True, data, callback, extra)
391	#print "xplane.Handler.requestWrite", request
392	self._requests.append(request)
393	self._requestCondition.notify()
394
395	def requestPeriodicRead(self, period, data, callback, extra = None,
396	validator = None):
397	"""Request a periodic read of data.
398
399	period is a floating point number with the period in seconds.
400
401	This function returns an identifier which can be used to cancel the
402	request."""
403	with self._requestCondition:
404	id = self._nextPeriodicID
405	self._nextPeriodicID += 1
406	request = PeriodicDataRequest(self, id, period,
407	data, callback,
408	extra, validator)
409	self._periodicRequests.append(request)
410	self._requestCondition.notify()
411	return id
412
413	def clearPeriodic(self, id):
414	"""Clear the periodic request with the given ID."""
415	with self._requestCondition:
416	for i in range(0, len(self._periodicRequests)):
417	if self._periodicRequests[i].id==id:
418	del self._periodicRequests[i]
419	return True
420	return False
421
422	def requestShowMessage(self, message, duration, callback, extra = None):
423	"""Request showing a message in the simulator."""
424	with self._requestCondition:
425	self._requests.append(ShowMessageRequest(self,
426	message, duration,
427	callback, extra))
428	self._requestCondition.notify()
429
430	def registerHotkeys(self, hotkeys, callback, extra = None):
431	"""Request registering the given hotkeys."""
432	with self._requestCondition:
433	self._requests.append(RegisterHotkeysRequest(self, hotkeys,
434	callback, extra))
435	self._requestCondition.notify()
436
437	def requestHotkeysState(self, period, callback, extra = None):
438	"""Request a periodic query of the hotkey status."""
439	with self._requestCondition:
440	id = self._nextPeriodicID
441	self._nextPeriodicID += 1
442	request = HotkeysStateRequest(self, id, period, callback, extra)
443	self._periodicRequests.append(request)
444	self._requestCondition.notify()
445	return id
446
447	def unregisterHotkeys(self, callback, extra = None):
448	"""Request unregistering the hotkeys."""
449	with self._requestCondition:
450	self._requests.append(UnregisterHotkeysRequest(self,
451	callback, extra))
452	self._requestCondition.notify()
453
454	def connect(self):
455	"""Initiate the connection to the flight simulator."""
456	with self._requestCondition:
457	if not self._connectionRequested:
458	self._connectionRequested = True
459	self._requestCondition.notify()
460
461	def disconnect(self):
462	"""Disconnect from the flight simulator."""
463	with self._requestCondition:
464	self._requests = []
465	if self._connectionRequested:
466	self._connectionRequested = False
467	self._requestCondition.notify()
468
469	def clearRequests(self):
470	"""Clear the outstanding one-shot requests."""
471	with self._requestCondition:
472	self._requests = []
473
474	def run(self):
475	"""Perform the operation of the thread."""
476	while True:
477	self._waitConnectionRequest()
478
479	if self._connect()>0:
480	self._handleConnection()
481
482	self._disconnect()
483
484	def _waitConnectionRequest(self):
485	"""Wait for a connection request to arrive."""
486	with self._requestCondition:
487	while not self._connectionRequested:
488	self._requestCondition.wait()
489
490	def _connect(self, autoReconnection = False, attempts = 0):
491	"""Try to connect to the flight simulator via XPLRA
492
493	Returns True if the connection has been established, False if it was
494	not due to no longer requested.
495	"""
496	while self._connectionRequested:
497	if attempts>=self.NUM_CONNECTATTEMPTS:
498	self._connectionRequested = False
499	if autoReconnection:
500	Handler._callSafe(lambda:
501	self._connectionListener.disconnected())
502	else:
503	Handler._callSafe(lambda:
504	self._connectionListener.connectionFailed())
505	return 0
506
507	try:
508	attempts += 1
509	self._xplane.connect()
510
511	(xplaneVersion, xplmVersion, xplraVersion) = \
512	self._xplane.getVersions()
513
514	description = "(X-Plane version: %d, XPLM version: %d, XPLRA version: %03d)" % \
515	(xplaneVersion, xplmVersion, xplraVersion)
516	if not autoReconnection:
517	fsType = const.SIM_XPLANE11 if xplaneVersion>=11000 else \
518	(const.SIM_XPLANE10 if xplaneVersion>=10000 else const.SIM_XPLANE9)
519
520	Handler._callSafe(lambda:
521	self._connectionListener.connected(fsType,
522	description))
523	self._connected = True
524	return attempts
525	except Exception as e:
526	print("xplane.Handler._connect: connection failed: " + \
527	util.utf2unicode(str(e)) + \
528	" (attempts: %d)" % (attempts,))
529	if attempts<self.NUM_CONNECTATTEMPTS:
530	time.sleep(self.CONNECT_INTERVAL)
531	self._xplane.disconnect()
532
533	def _handleConnection(self):
534	"""Handle a living connection."""
535	with self._requestCondition:
536	while self._connectionRequested:
537	self._processRequests()
538	self._waitRequest()
539
540	def _waitRequest(self):
541	"""Wait for the time of the next request.
542
543	Returns also, if the connection is no longer requested.
544
545	Should be called with the request condition lock held."""
546	while self._connectionRequested:
547	timeout = None
548	if self._periodicRequests:
549	self._periodicRequests.sort()
550	timeout = self._periodicRequests[0].nextFire - time.time()
551
552	if self._requests or \
553	(timeout is not None and timeout <= 0.0):
554	return
555
556	self._requestCondition.wait(timeout)
557
558	def _disconnect(self):
559	"""Disconnect from the flight simulator."""
560	print("xplane.Handler._disconnect")
561	if self._connected:
562	try:
563	self._xplane.disconnect()
564	except:
565	pass
566
567	self._connected = False
568
569	def _processRequest(self, request, time, attempts):
570	"""Process the given request.
571
572	If an exception occurs or invalid data is read too many times, we try
573	to reconnect.
574
575	This function returns only if the request has succeeded, or if a
576	connection is no longer requested.
577
578	This function is called with the request lock held, but is relased
579	whole processing the request and reconnecting."""
580	self._requestCondition.release()
581
582	#print "xplane.Handler._processRequest", request
583
584	needReconnect = False
585	try:
586	self._watchdogClient.set()
587	try:
588	if not request.process(time):
589	print("xplane.Handler._processRequest: X-Plane returned invalid data too many times, reconnecting")
590	needReconnect = True
591	except Exception as e:
592	print("xplane.Handler._processRequest: X-Plane connection failed (" + \
593	util.utf2unicode(str(e)) + \
594	"), reconnecting (attempts=%d)." % (attempts,))
595	needReconnect = True
596
597	if needReconnect:
598	with self._requestCondition:
599	self._requests.insert(0, request)
600	self._disconnect()
601	return self._connect(autoReconnection = True, attempts = attempts)
602	else:
603	return 0
604	finally:
605	self._watchdogClient.clear()
606	self._requestCondition.acquire()
607
608	def _processRequests(self):
609	"""Process any pending requests.
610
611	Will be called with the request lock held."""
612	attempts = 0
613	while self._connectionRequested and self._periodicRequests:
614	self._periodicRequests.sort()
615	request = self._periodicRequests[0]
616
617	t = time.time()
618
619	if request.nextFire>t:
620	break
621
622	attempts = self._processRequest(request, t, attempts)
623
624	while self._connectionRequested and self._requests:
625	request = self._requests[0]
626	del self._requests[0]
627
628	attempts = self._processRequest(request, None, attempts)
629
630	return self._connectionRequested
631
632	#------------------------------------------------------------------------------
633
634	class Simulator(object):
635	"""The simulator class representing the interface to the flight simulator
636	via XPLRA."""
637	# The basic data that should be queried all the time once we are connected
638	timeData = [ ("sim/time/local_date_days", TYPE_INT),
639	("sim/time/zulu_time_sec", TYPE_FLOAT) ]
640
641	normalData = timeData + \
642	[ ("sim/aircraft/view/acf_tailnum", TYPE_BYTE_ARRAY),
643	("sim/aircraft/view/acf_author", TYPE_BYTE_ARRAY),
644	("sim/aircraft/view/acf_descrip", TYPE_BYTE_ARRAY),
645	("sim/aircraft/view/acf_notes", TYPE_BYTE_ARRAY),
646	("sim/aircraft/view/acf_ICAO", TYPE_BYTE_ARRAY),
647	("sim/aircraft/view/acf_livery_path", TYPE_BYTE_ARRAY) ]
648
649	flareData1 = [ ("sim/time/zulu_time_sec", TYPE_FLOAT),
650	("sim/flightmodel/position/y_agl", TYPE_FLOAT),
651	("sim/flightmodel/position/vh_ind_fpm2", TYPE_FLOAT) ]
652
653	flareStartData = [ ("sim/weather/wind_speed_kt[0]", TYPE_FLOAT),
654	("sim/weather/wind_direction_degt[0]", TYPE_FLOAT),
655	("sim/weather/visibility_reported_m", TYPE_FLOAT) ]
656
657	flareData2 = [ ("sim/time/zulu_time_sec", TYPE_FLOAT),
658	("sim/flightmodel/failures/onground_any", TYPE_INT),
659	("sim/flightmodel/position/vh_ind_fpm2", TYPE_FLOAT),
660	("sim/flightmodel/position/indicated_airspeed2",
661	TYPE_FLOAT),
662	("sim/flightmodel/position/theta", TYPE_FLOAT),
663	("sim/flightmodel/position/phi", TYPE_FLOAT),
664	("sim/flightmodel/position/psi", TYPE_FLOAT) ]
665
666	TIME_SYNC_INTERVAL = 3.0
667
668	@staticmethod
669	def _getHotkeyCode(hotkey):
670	"""Get the hotkey code for the given hot key."""
671	code = ord(hotkey.key)
672	if hotkey.shift: code \|= HOTKEY_MODIFIER_SHIFT
673	if hotkey.ctrl: code \|= HOTKEY_MODIFIER_CONTROL
674	return code
675
676	def __init__(self, connectionListener, connectAttempts = -1,
677	connectInterval = 0.2):
678	"""Construct the simulator.
679
680	The aircraft object passed must provide the following members:
681	- type: one of the AIRCRAFT_XXX constants from const.py
682	- modelChanged(aircraftName, modelName): called when the model handling
683	the aircraft has changed.
684	- handleState(aircraftState): handle the given state.
685	- flareStarted(windSpeed, windDirection, visibility, flareStart,
686	flareStartFS): called when the flare has
687	started. windSpeed is in knots, windDirection is in degrees and
688	visibility is in metres. flareStart and flareStartFS are two time
689	values expressed in seconds that can be used to calculate the flare
690	time.
691	- flareFinished(flareEnd, flareEndFS, tdRate, tdRateCalculatedByFS,
692	ias, pitch, bank, heading): called when the flare has
693	finished, i.e. the aircraft is on the ground. flareEnd and flareEndFS
694	are the two time values corresponding to the touchdown time. tdRate is
695	the touch-down rate, tdRateCalculatedBySim indicates if the data comes
696	from the simulator or was calculated by the adapter. The other data
697	are self-explanatory and expressed in their 'natural' units."""
698	self._fsType = None
699	self._aircraft = None
700
701	self._handler = Handler(self,
702	connectAttempts = connectAttempts,
703	connectInterval = connectInterval)
704	self._connectionListener = connectionListener
705	self._handler.start()
706
707	self._syncTime = False
708	self._nextSyncTime = -1
709
710	self._timestampBase = None
711	self._timestampDaysOffset = 0
712	self._lastZuluSeconds = None
713
714	self._normalRequestID = None
715
716	self._monitoringRequested = False
717	self._monitoring = False
718
719	self._aircraftInfo = None
720	self._aircraftModel = None
721
722	self._flareRequestID = None
723	self._flareRates = []
724	self._flareStart = None
725	self._flareStartFS = None
726
727	self._hotkeyLock = threading.Lock()
728	self._hotkeyCodes = None
729	self._hotkeySetID = 0
730	self._hotkeySetGeneration = 0
731	self._hotkeyOffets = None
732	self._hotkeyRequestID = None
733	self._hotkeyCallback = None
734
735	self._fuelCallback = None
736
737	def connect(self, aircraft):
738	"""Initiate a connection to the simulator."""
739	self._aircraft = aircraft
740	self._aircraftInfo = None
741	self._aircraftModel = None
742	self._handler.connect()
743	if self._normalRequestID is None:
744	self._nextSyncTime = -1
745	self._startDefaultNormal()
746
747	def reconnect(self):
748	"""Initiate a reconnection to the simulator.
749
750	It does not reset already set up data, just calls connect() on the
751	handler."""
752	self._handler.connect()
753
754	def requestZFW(self, callback):
755	"""Send a request for the ZFW."""
756	data = [ ("sim/aircraft/weight/acf_m_empty", TYPE_FLOAT),
757	("sim/flightmodel/weight/m_fixed", TYPE_FLOAT) ]
758	self._handler.requestRead(data, self._handleZFW, extra = callback)
759
760	def requestWeights(self, callback):
761	"""Request the following weights: DOW, ZFW, payload.
762
763	These values will be passed to the callback function in this order, as
764	separate arguments."""
765	data = [ ("sim/aircraft/weight/acf_m_empty", TYPE_FLOAT),
766	("sim/flightmodel/weight/m_fixed", TYPE_FLOAT),
767	("sim/flightmodel/weight/m_total", TYPE_FLOAT) ]
768	self._handler.requestRead(data, self._handleWeights,
769	extra = callback)
770
771	def requestTime(self, callback):
772	"""Request the time from the simulator."""
773	self._handler.requestRead(Simulator.timeData, self._handleTime,
774	extra = callback)
775
776	def startMonitoring(self):
777	"""Start the periodic monitoring of the aircraft and pass the resulting
778	state to the aircraft object periodically."""
779	assert not self._monitoringRequested
780	self._monitoringRequested = True
781
782	def stopMonitoring(self):
783	"""Stop the periodic monitoring of the aircraft."""
784	assert self._monitoringRequested
785	self._monitoringRequested = False
786
787	def startFlare(self):
788	"""Start monitoring the flare time.
789
790	At present it is assumed to be called from the handler thread, hence no
791	protection."""
792	#self._aircraft.logger.debug("startFlare")
793	if self._flareRequestID is None:
794	self._flareRates = []
795	self._flareRequestID = \
796	self._handler.requestPeriodicRead(0.1,
797	Simulator.flareData1,
798	self._handleFlare1)
799
800	def cancelFlare(self):
801	"""Cancel monitoring the flare time.
802
803	At present it is assumed to be called from the handler thread, hence no
804	protection."""
805	if self._flareRequestID is not None:
806	self._handler.clearPeriodic(self._flareRequestID)
807	self._flareRequestID = None
808
809	def sendMessage(self, message, duration = 3,
810	_disconnect = False):
811	"""Send a message to the pilot via the simulator.
812
813	duration is the number of seconds to keep the message displayed."""
814	print("xplra.Simulator.sendMessage:", message)
815	self._handler.requestShowMessage(message, duration,
816	self._handleMessageSent,
817	extra = _disconnect)
818
819	def getFuel(self, callback):
820	"""Get the fuel information for the current model.
821
822	The callback will be called with a list of triplets with the following
823	items:
824	- the fuel tank identifier
825	- the current weight of the fuel in the tank (in kgs)
826	- the current total capacity of the tank (in kgs)."""
827	if self._aircraftModel is None:
828	self._fuelCallback = callback
829	else:
830	self._aircraftModel.getFuel(self._handler, callback)
831
832	def setFuelLevel(self, levels):
833	"""Set the fuel level to the given ones.
834
835	levels is an array of two-tuples, where each tuple consists of the
836	following:
837	- the const.FUELTANK_XXX constant denoting the tank that must be set,
838	- the requested level of the fuel as a floating-point value between 0.0
839	and 1.0."""
840	if self._aircraftModel is not None:
841	self._aircraftModel.setFuelLevel(self._handler, levels)
842
843	def enableTimeSync(self):
844	"""Enable the time synchronization."""
845	self._nextSyncTime = -1
846	self._syncTime = True
847
848	def disableTimeSync(self):
849	"""Enable the time synchronization."""
850	self._syncTime = False
851	self._nextSyncTime = -1
852
853	def listenHotkeys(self, hotkeys, callback):
854	"""Start listening to the given hotkeys.
855
856	callback is function expecting two arguments:
857	- the ID of the hotkey set as returned by this function,
858	- the list of the indexes of the hotkeys that were pressed."""
859	with self._hotkeyLock:
860	assert self._hotkeyCodes is None
861
862	self._hotkeyCodes = \
863	[self._getHotkeyCode(hotkey) for hotkey in hotkeys]
864	self._hotkeySetID += 1
865	self._hotkeySetGeneration = 0
866	self._hotkeyCallback = callback
867
868	self._handler.registerHotkeys(self._hotkeyCodes,
869	self._handleHotkeysRegistered,
870	(self._hotkeySetID,
871	self._hotkeySetGeneration))
872
873	return self._hotkeySetID
874
875	def clearHotkeys(self):
876	"""Clear the current hotkey set.
877
878	Note that it is possible, that the callback function set either
879	previously or after calling this function by listenHotkeys() will be
880	called with data from the previous hotkey set.
881
882	Therefore it is recommended to store the hotkey set ID somewhere and
883	check that in the callback function. Right before calling
884	clearHotkeys(), this stored ID should be cleared so that the check
885	fails for sure."""
886	with self._hotkeyLock:
887	if self._hotkeyCodes is not None:
888	self._hotkeyCodes = None
889	self._hotkeySetID += 1
890	self._hotkeyCallback = None
891	self._clearHotkeyRequest()
892
893	def disconnect(self, closingMessage = None, duration = 3):
894	"""Disconnect from the simulator."""
895	assert not self._monitoringRequested
896
897	print("xplra.Simulator.disconnect", closingMessage, duration)
898
899	self._stopNormal()
900	self.clearHotkeys()
901	if closingMessage is None:
902	self._handler.disconnect()
903	else:
904	self.sendMessage(closingMessage, duration = duration,
905	_disconnect = True)
906
907	def connected(self, fsType, descriptor):
908	"""Called when a connection has been established to the flight
909	simulator of the given type."""
910	self._fsType = fsType
911
912	with self._hotkeyLock:
913	if self._hotkeyCodes is not None:
914	self._hotkeySetGeneration += 1
915
916	self._handler.registerHotkeys(self._hotkeyCodes,
917	self._handleHotkeysRegistered,
918	(self._hotkeySetID,
919	self._hotkeySetGeneration))
920
921	self._connectionListener.connected(fsType, descriptor)
922
923	def connectionFailed(self):
924	"""Called when the connection could not be established."""
925	with self._hotkeyLock:
926	self._clearHotkeyRequest()
927	self._connectionListener.connectionFailed()
928
929	def disconnected(self):
930	"""Called when a connection to the flight simulator has been broken."""
931	with self._hotkeyLock:
932	self._clearHotkeyRequest()
933	self._connectionListener.disconnected()
934
935	def _getTimestamp(self, data):
936	"""Convert the given data into a timestamp."""
937	if self._timestampBase is None:
938	year = datetime.date.today().year
939	self._timestampBase = \
940	calendar.timegm(time.struct_time([year, 1, 1, 0, 0, 0, -1, 1, 0]))
941	self._timestampBase += data[0] * 24 * 3600
942	self._timestampDaysOffset = 0
943	self._lastZuluSeconds = None
944
945	zuluSeconds = data[1]
946	if self._lastZuluSeconds is not None and \
947	zuluSeconds<self._lastZuluSeconds:
948	print("xplane.Simulator._getTimestamp: Zulu seconds have gone backwards (%f -> %f), increasing day offset" % \
949	(self._lastZuluSeconds, zuluSeconds))
950	self._timestampDaysOffset += 1
951
952	self._lastZuluSeconds = zuluSeconds
953
954	timestamp = self._timestampBase
955	timestamp += self._timestampDaysOffset * 24 * 3600
956	timestamp += zuluSeconds
957
958	return timestamp
959
960	def _startDefaultNormal(self):
961	"""Start the default normal periodic request."""
962	assert self._normalRequestID is None
963	self._timestampBase = None
964	self._normalRequestID = \
965	self._handler.requestPeriodicRead(1.0,
966	Simulator.normalData,
967	self._handleNormal)
968
969	def _stopNormal(self):
970	"""Stop the normal period request."""
971	assert self._normalRequestID is not None
972	self._handler.clearPeriodic(self._normalRequestID)
973	self._normalRequestID = None
974	self._monitoring = False
975
976	def _handleNormal(self, data, extra):
977	"""Handle the reply to the normal request.
978
979	At the beginning the result consists the data for normalData. When
980	monitoring is started, it contains the result also for the
981	aircraft-specific values.
982	"""
983	timestamp = self._getTimestamp(data)
984
985	createdNewModel = self._setAircraftName(timestamp,
986	data.getString(2),
987	data.getString(3),
988	data.getString(4),
989	data.getString(5),
990	data.getString(6),
991	data.getString(7))
992	if self._fuelCallback is not None:
993	self._aircraftModel.getFuel(self._handler, self._fuelCallback)
994	self._fuelCallback = None
995
996	if self._monitoringRequested and not self._monitoring:
997	self._stopNormal()
998	self._startMonitoring()
999	elif self._monitoring and not self._monitoringRequested:
1000	self._stopNormal()
1001	self._startDefaultNormal()
1002	elif self._monitoring and self._aircraftModel is not None and \
1003	not createdNewModel:
1004	aircraftState = self._aircraftModel.getAircraftState(self._aircraft,
1005	timestamp, data)
1006
1007	self._aircraft.handleState(aircraftState)
1008
1009	def _setAircraftName(self, timestamp, tailnum, author, description,
1010	notes, icao, liveryPath):
1011	"""Set the name of the aicraft and if it is different from the
1012	previous, create a new model for it.
1013
1014	If so, also notifty the aircraft about the change.
1015
1016	Return if a new model was created."""
1017	aircraftInfo = (tailnum, author, description, notes, icao, liveryPath)
1018	if aircraftInfo==self._aircraftInfo:
1019	return False
1020
1021	print("xplane.Simulator: new data: %s, %s, %s, %s, %s, %s" % \
1022	(tailnum, author, description, notes, icao, liveryPath))
1023
1024	self._aircraftInfo = aircraftInfo
1025	needNew = self._aircraftModel is None
1026	needNew = needNew or\
1027	not self._aircraftModel.doesHandle(self._aircraft, aircraftInfo)
1028	if not needNew:
1029	specialModel = AircraftModel.findSpecial(self._aircraft,
1030	aircraftInfo)
1031	needNew = specialModel is not None and \
1032	specialModel is not self._aircraftModel.__class__
1033
1034	if needNew:
1035	self._setAircraftModel(AircraftModel.create(self._aircraft,
1036	aircraftInfo))
1037
1038	self._aircraft.modelChanged(timestamp, description,
1039	self._aircraftModel.name)
1040
1041	return needNew
1042
1043	def _setAircraftModel(self, model):
1044	"""Set a new aircraft model.
1045
1046	It will be queried for the data to monitor and the monitoring request
1047	will be replaced by a new one."""
1048	self._aircraftModel = model
1049	model.simulator = self
1050
1051	if self._monitoring:
1052	self._stopNormal()
1053	self._startMonitoring()
1054
1055	def _startMonitoring(self):
1056	"""Start monitoring with the current aircraft model."""
1057	data = Simulator.normalData[:]
1058	self._aircraftModel.addMonitoringData(data, self._fsType)
1059
1060	self._normalRequestID = \
1061	self._handler.requestPeriodicRead(1.0, data,
1062	self._handleNormal)
1063	self._monitoring = True
1064
1065	def _addFlareRate(self, data):
1066	"""Append a flare rate to the list of last rates."""
1067	if len(self._flareRates)>=3:
1068	del self._flareRates[0]
1069	self._flareRates.append(data)
1070
1071	def _handleFlare1(self, data, normal):
1072	"""Handle the first stage of flare monitoring."""
1073	#self._aircraft.logger.debug("handleFlare1: " + str(data))
1074	if data[1]<=50.0*0.3048:
1075	self._flareStart = time.time()
1076	self._flareStartFS = data[0]
1077	self._handler.clearPeriodic(self._flareRequestID)
1078	self._handler.requestRead(Simulator.flareStartData,
1079	self._handleFlareStart)
1080
1081	self._addFlareRate(data[2])
1082
1083	def _handleFlareStart(self, data, extra):
1084	"""Handle the data need to notify the aircraft about the starting of
1085	the flare."""
1086	#self._aircraft.logger.debug("handleFlareStart: " + str(data))
1087	if data is not None:
1088	windDirection = data[1]
1089	if windDirection<0.0: windDirection += 360.0
1090	self._aircraft.flareStarted(data[0], windDirection, data[2],
1091	self._flareStart, self._flareStartFS)
1092
1093	self._flareRequestID = \
1094	self._handler.requestPeriodicRead(0.1,
1095	Simulator.flareData2,
1096	self._handleFlare2)
1097
1098	def _handleFlare2(self, data, normal):
1099	"""Handle the first stage of flare monitoring."""
1100	#self._aircraft.logger.debug("handleFlare2: " + str(data))
1101	if data[1]!=0:
1102	flareEnd = time.time()
1103	self._handler.clearPeriodic(self._flareRequestID)
1104	self._flareRequestID = None
1105
1106	flareEndFS = data[0]
1107	if flareEndFS<self._flareStartFS:
1108	flareEndFS += 86400.0
1109
1110	tdRate = min(self._flareRates)
1111	tdRateCalculatedByFS = False
1112
1113	heading = data[6]
1114	if heading<0.0: heading += 360.0
1115
1116	self._aircraft.flareFinished(flareEnd, flareEndFS,
1117	tdRate, tdRateCalculatedByFS,
1118	data[3], data[4], data[5], heading)
1119	else:
1120	self._addFlareRate(data[2])
1121
1122	def _handleZFW(self, data, callback):
1123	"""Callback for a ZFW retrieval request."""
1124	zfw = data[0] + data[1]
1125	callback(zfw)
1126
1127	def _handleTime(self, data, callback):
1128	"""Callback for a time retrieval request."""
1129	callback(self._getTimestamp(data))
1130
1131	def _handleWeights(self, data, callback):
1132	"""Callback for the weights retrieval request."""
1133	dow = data[0]
1134	payload = data[1]
1135	zfw = dow + payload
1136	grossWeight = data[2]
1137	callback(dow, payload, zfw, grossWeight)
1138
1139	def _handleMessageSent(self, success, disconnect):
1140	"""Callback for a message sending request."""
1141	#print "xplra.Simulator._handleMessageSent", disconnect
1142	if disconnect:
1143	self._handler.disconnect()
1144
1145	def _handleHotkeysRegistered(self, success, xxx_todo_changeme2):
1146	"""Handle the result of the hotkeys having been written."""
1147	(id, generation) = xxx_todo_changeme2
1148	with self._hotkeyLock:
1149	if success and id==self._hotkeySetID and \
1150	generation==self._hotkeySetGeneration:
1151	self._hotkeyRequestID = \
1152	self._handler.requestHotkeysState(0.5,
1153	self._handleHotkeys,
1154	(id, generation))
1155
1156	def _handleHotkeys(self, data, xxx_todo_changeme3):
1157	"""Handle the hotkeys."""
1158	(id, generation) = xxx_todo_changeme3
1159	with self._hotkeyLock:
1160	if id!=self._hotkeySetID or generation!=self._hotkeySetGeneration:
1161	return
1162
1163	callback = self._hotkeyCallback
1164	offsets = self._hotkeyOffets
1165
1166	hotkeysPressed = []
1167	for i in range(0, len(data)):
1168	if data[i]:
1169	hotkeysPressed.append(i)
1170
1171	if hotkeysPressed:
1172	callback(id, hotkeysPressed)
1173
1174	def _clearHotkeyRequest(self):
1175	"""Clear the hotkey request in the handler if there is any."""
1176	if self._hotkeyRequestID is not None:
1177	self._handler.unregisterHotkeys(self._hotkeysUnregistered)
1178	self._handler.clearPeriodic(self._hotkeyRequestID)
1179	self._hotkeyRequestID = None
1180
1181	def _hotkeysUnregistered(self, result, extra):
1182	"""Called when the hotkeys have been unregistered."""
1183	pass
1184
1185	#------------------------------------------------------------------------------
1186
1187	class AircraftModel(object):
1188	"""Base class for the aircraft models.
1189
1190	Aircraft models handle the data arriving from X-Plane and turn it into an
1191	object describing the aircraft's state."""
1192	monitoringData = [ ("paused",
1193	"sim/time/paused", TYPE_INT),
1194	("latitude",
1195	"sim/flightmodel/position/latitude", TYPE_DOUBLE),
1196	("longitude",
1197	"sim/flightmodel/position/longitude", TYPE_DOUBLE),
1198	("replay",
1199	"sim/operation/prefs/replay_mode", TYPE_INT),
1200	("overspeed",
1201	"sim/flightmodel/failures/over_vne", TYPE_INT),
1202	("stalled",
1203	"sim/flightmodel/failures/stallwarning", TYPE_INT),
1204	("onTheGround",
1205	"sim/flightmodel/failures/onground_any", TYPE_INT),
1206	("emptyWeight",
1207	"sim/aircraft/weight/acf_m_empty", TYPE_FLOAT),
1208	("payloadWeight",
1209	"sim/flightmodel/weight/m_fixed", TYPE_FLOAT),
1210	("grossWeight",
1211	"sim/flightmodel/weight/m_total", TYPE_FLOAT),
1212	("heading",
1213	"sim/flightmodel/position/psi", TYPE_FLOAT),
1214	("pitch",
1215	"sim/flightmodel/position/theta", TYPE_FLOAT),
1216	("bank",
1217	"sim/flightmodel/position/phi", TYPE_FLOAT),
1218	("ias",
1219	"sim/flightmodel/position/indicated_airspeed2",
1220	TYPE_FLOAT),
1221	("mach",
1222	"sim/flightmodel/misc/machno", TYPE_FLOAT),
1223	("groundSpeed",
1224	"sim/flightmodel/position/groundspeed", TYPE_FLOAT),
1225	("vs",
1226	"sim/flightmodel/position/vh_ind_fpm2", TYPE_FLOAT),
1227	("radioAltitude",
1228	"sim/flightmodel/position/y_agl", TYPE_FLOAT),
1229	("altitude",
1230	"sim/flightmodel/position/elevation", TYPE_FLOAT),
1231	("gLoad",
1232	"sim/flightmodel/forces/g_nrml", TYPE_FLOAT),
1233	("flapsControl",
1234	"sim/flightmodel/controls/flaprqst", TYPE_FLOAT),
1235	("flapsLeft",
1236	"sim/flightmodel/controls/flaprat", TYPE_FLOAT),
1237	("flapsRight",
1238	"sim/flightmodel/controls/flap2rat", TYPE_FLOAT),
1239	("navLights",
1240	"sim/cockpit/electrical/nav_lights_on", TYPE_INT),
1241	("beaconLights",
1242	"sim/cockpit/electrical/beacon_lights_on", TYPE_INT),
1243	("strobeLights",
1244	"sim/cockpit/electrical/strobe_lights_on", TYPE_INT),
1245	("landingLights",
1246	"sim/cockpit/electrical/landing_lights_on", TYPE_INT),
1247	("pitot",
1248	"sim/cockpit/switches/pitot_heat_on", TYPE_INT),
1249	("parking",
1250	"sim/flightmodel/controls/parkbrake", TYPE_FLOAT),
1251	("gearControl",
1252	"sim/cockpit2/controls/gear_handle_down", TYPE_INT),
1253	("noseGear",
1254	"sim/flightmodel2/gear/deploy_ratio",
1255	(TYPE_FLOAT_ARRAY, 1)),
1256	("spoilers",
1257	"sim/flightmodel/controls/lsplrdef", TYPE_FLOAT),
1258	("altimeter",
1259	"sim/cockpit/misc/barometer_setting", TYPE_FLOAT),
1260	("qnh",
1261	"sim/physics/earth_pressure_p", TYPE_FLOAT),
1262	("nav1",
1263	"sim/cockpit/radios/nav1_freq_hz", TYPE_INT),
1264	("nav1_obs",
1265	"sim/cockpit/radios/nav1_obs_degm", TYPE_FLOAT),
1266	("nav2",
1267	"sim/cockpit/radios/nav2_freq_hz", TYPE_INT),
1268	("nav2_obs",
1269	"sim/cockpit/radios/nav2_obs_degm", TYPE_FLOAT),
1270	("adf1",
1271	"sim/cockpit/radios/adf1_freq_hz", TYPE_INT),
1272	("adf2",
1273	"sim/cockpit/radios/adf2_freq_hz", TYPE_INT),
1274	("squawk",
1275	"sim/cockpit/radios/transponder_code", TYPE_INT),
1276	("windSpeed",
1277	"sim/weather/wind_speed_kt[0]", TYPE_FLOAT),
1278	("windDirection",
1279	"sim/weather/wind_direction_degt[0]", TYPE_FLOAT),
1280	("visibility",
1281	"sim/weather/visibility_reported_m", TYPE_FLOAT),
1282	("cog",
1283	"sim/flightmodel/misc/cgz_ref_to_default", TYPE_FLOAT),
1284	("xpdrC",
1285	"sim/cockpit/radios/transponder_mode", TYPE_INT),
1286	("apMaster",
1287	"sim/cockpit/autopilot/autopilot_mode", TYPE_INT),
1288	("apState",
1289	"sim/cockpit/autopilot/autopilot_state", TYPE_INT),
1290	("apHeading",
1291	"sim/cockpit/autopilot/heading_mag", TYPE_FLOAT),
1292	("apAltitude",
1293	"sim/cockpit/autopilot/altitude", TYPE_FLOAT),
1294	("elevatorTrim",
1295	"sim/flightmodel/controls/elv_trim", TYPE_FLOAT),
1296	("antiIceOn",
1297	"sim/cockpit/switches/anti_ice_on", TYPE_INT),
1298	("surfaceHeat",
1299	"sim/cockpit/switches/anti_ice_surf_heat", TYPE_INT),
1300	("propHeat",
1301	"sim/cockpit/switches/anti_ice_prop_heat", TYPE_INT),
1302	("autopilotOn",
1303	"sim/cockpit2/autopilot/autopilot_on", TYPE_INT),
1304	("apHeadingMode",
1305	"sim/cockpit2/autopilot/heading_mode", TYPE_INT)]
1306
1307
1308	specialModels = []
1309
1310	@staticmethod
1311	def registerSpecial(clazz):
1312	"""Register the given class as a special model."""
1313	AircraftModel.specialModels.append(clazz)
1314
1315	@staticmethod
1316	def findSpecial(aircraft, aircraftInfo):
1317	for specialModel in AircraftModel.specialModels:
1318	if specialModel.doesHandle(aircraft, aircraftInfo):
1319	return specialModel
1320	return None
1321
1322	@staticmethod
1323	def create(aircraft, aircraftInfo):
1324	"""Create the model for the given aircraft name, and notify the
1325	aircraft about it."""
1326	specialModel = AircraftModel.findSpecial(aircraft, aircraftInfo)
1327	if specialModel is not None:
1328	return specialModel()
1329	if aircraft.type in _genericModels:
1330	return _genericModels[aircraft.type]()
1331	else:
1332	return GenericModel()
1333
1334	@staticmethod
1335	def _convertFrequency(value):
1336	"""Convert the given frequency value into a string."""
1337	return "%.2f" % (value/100.0,)
1338
1339	@staticmethod
1340	def _convertOBS(value):
1341	"""Convert the given OBS value into an integer."""
1342	while value<0.0:
1343	value += 360.0
1344	return int(round(value))
1345
1346	def __init__(self, flapsNotches):
1347	"""Construct the aircraft model.
1348
1349	flapsNotches is a list of degrees of flaps that are available on the aircraft."""
1350	self._flapsNotches = flapsNotches
1351	self._simulator = None
1352
1353	@property
1354	def name(self):
1355	"""Get the name for this aircraft model."""
1356	return "X-Plane/Generic"
1357
1358	@property
1359	def simulator(self):
1360	"""Get the simulator this aircraft model works for."""
1361	return self._simulator
1362
1363	@simulator.setter
1364	def simulator(self, simulator):
1365	"""Get the simulator this aircraft model works for."""
1366	self._simulator = simulator
1367
1368	def doesHandle(self, aircraft, aircraftInfo):
1369	"""Determine if the model handles the given aircraft name.
1370
1371	This default implementation returns False."""
1372	return False
1373
1374	def _addDatarefWithIndexMember(self, dest, name, type, attrName = None):
1375	"""Add the given X-Plane dataref name and type to the given array and a
1376	member attribute with the given name."""
1377	dest.append((name, type))
1378	if attrName is not None:
1379	setattr(self, attrName, len(dest)-1)
1380
1381	def _addDataWithIndexMembers(self, dest, prefix, data):
1382	"""Add X-Plane dataref data to the given array and also corresponding
1383	index member variables with the given prefix.
1384
1385	data is a list of triplets of the following items:
1386	- the name of the data item. The index member variable will have a name
1387	created by prepending the given prefix to this name.
1388	- the X-Plane dataref name
1389	- the dataref type
1390
1391	The latter two items will be appended to dest."""
1392	for (name, datarefName, type) in data:
1393	self._addDatarefWithIndexMember(dest, datarefName, type,
1394	prefix + name)
1395
1396	def addMonitoringData(self, data, fsType):
1397	"""Add the model-specific monitoring data to the given array."""
1398	self._addDataWithIndexMembers(data, "_monidx_",
1399	AircraftModel.monitoringData)
1400
1401	def getAircraftState(self, aircraft, timestamp, data):
1402	"""Get an aircraft state object for the given monitoring data."""
1403	state = fs.AircraftState()
1404
1405	lnavOn = data[self._monidx_autopilotOn]!=0 and \
1406	data[self._monidx_apHeadingMode]==2
1407
1408	state.timestamp = timestamp
1409
1410	state.latitude = data[self._monidx_latitude]
1411	state.longitude = data[self._monidx_longitude]
1412	if state.longitude>180.0: state.longitude = 360.0 - state.longitude
1413
1414	state.paused = data[self._monidx_paused]!=0 or \
1415	data[self._monidx_replay]!=0
1416	state.trickMode = data[self._monidx_replay]!=0
1417
1418	state.overspeed = data[self._monidx_overspeed]!=0
1419	state.stalled = data[self._monidx_stalled]!=0
1420	state.onTheGround = data[self._monidx_onTheGround]!=0
1421
1422	state.zfw = data[self._monidx_emptyWeight] + \
1423	data[self._monidx_payloadWeight]
1424	state.grossWeight = data[self._monidx_grossWeight]
1425
1426	state.heading = data[self._monidx_heading]
1427
1428	state.pitch = -1.0 * data[self._monidx_pitch]
1429	state.bank = data[self._monidx_bank]
1430
1431	state.ias = data[self._monidx_ias]
1432	state.mach = data[self._monidx_mach]
1433	state.groundSpeed = data[self._monidx_groundSpeed] * _mps2knots
1434	state.vs = data[self._monidx_vs]
1435
1436	state.radioAltitude = data[self._monidx_radioAltitude]/.3048
1437	state.altitude = data[self._monidx_altitude]/.3048
1438
1439	state.gLoad = data[self._monidx_gLoad]
1440
1441	flapsControl = data[self._monidx_flapsControl]
1442	flapsIndex = int(round(flapsControl * (len(self._flapsNotches)-1)))
1443	state.flapsSet = 0 if flapsIndex<1 else self._flapsNotches[flapsIndex]
1444
1445	state.flaps = self._flapsNotches[-1]*data[self._monidx_flapsLeft]
1446
1447	state.navLightsOn = data[self._monidx_navLights] != 0
1448	state.antiCollisionLightsOn = data[self._monidx_beaconLights] != 0
1449	state.landingLightsOn = data[self._monidx_landingLights] != 0
1450	state.strobeLightsOn = data[self._monidx_strobeLights] != 0
1451
1452	state.pitotHeatOn = data[self._monidx_pitot]!=0
1453
1454	state.parking = data[self._monidx_parking]>=0.5
1455
1456	state.gearControlDown = data[self._monidx_gearControl]!=0
1457	state.gearsDown = data[self._monidx_noseGear][0]>0.99
1458
1459	state.spoilersArmed = None
1460
1461	state.spoilersExtension = data[self._monidx_spoilers]*100.0
1462
1463	state.altimeter = data[self._monidx_altimeter]* _hgin2hpa
1464	state.altimeterReliable = True
1465	state.qnh = data[self._monidx_qnh]/100.0
1466
1467	state.ils = None
1468	state.ils_obs = None
1469	state.ils_manual = False
1470	state.nav1 = self._convertFrequency(data[self._monidx_nav1])
1471	state.nav1_obs = self._convertOBS(data[self._monidx_nav1_obs])
1472	state.nav1_manual = True
1473	state.nav2 = self._convertFrequency(data[self._monidx_nav2])
1474	state.nav2_obs = self._convertOBS(data[self._monidx_nav2_obs])
1475	state.nav2_manual = not lnavOn
1476	state.adf1 = str(data[self._monidx_adf1])
1477	state.adf2 = str(data[self._monidx_adf2])
1478
1479	state.squawk = "%04d" % (data[self._monidx_squawk],)
1480
1481	state.windSpeed = data[self._monidx_windSpeed]
1482	state.windDirection = data[self._monidx_windDirection]
1483	if state.windDirection<0.0: state.windDirection += 360.0
1484
1485	state.visibility = data[self._monidx_visibility]
1486
1487	state.cog = data[self._monidx_cog]
1488
1489	state.xpdrC = data[self._monidx_xpdrC]==2
1490	state.autoXPDR = False
1491
1492	state.apMaster = data[self._monidx_apMaster]==2
1493	apState = data[self._monidx_apState]
1494	if lnavOn:
1495	state.apHeadingHold = None
1496	state.apHeading = None
1497	else:
1498	state.apHeadingHold = (apState&0x00002)!=0
1499	state.apHeading = data[self._monidx_apHeading]
1500
1501	state.apAltitudeHold = (apState&0x04000)!=0
1502	state.apAltitude = data[self._monidx_apAltitude]
1503
1504	state.elevatorTrim = data[self._monidx_elevatorTrim] * 180.0 / math.pi
1505
1506	state.antiIceOn = data[self._monidx_antiIceOn]!=0 or \
1507	data[self._monidx_surfaceHeat]!=0 or \
1508	data[self._monidx_propHeat]!=0
1509
1510	return state
1511
1512	#------------------------------------------------------------------------------
1513
1514	class GenericAircraftModel(AircraftModel):
1515	"""A generic aircraft model that can handle the fuel levels, the N1 or RPM
1516	values and some other common parameters in a generic way."""
1517
1518	def __init__(self, flapsNotches, fuelTanks, numEngines, isN1 = True):
1519	"""Construct the generic aircraft model with the given data.
1520
1521	flapsNotches is an array of how much degrees the individual flaps
1522	notches mean.
1523
1524	fuelTanks is an array of const.FUELTANK_XXX constants about the
1525	aircraft's fuel tanks. They will be converted to offsets.
1526
1527	numEngines is the number of engines the aircraft has.
1528
1529	isN1 determines if the engines have an N1 value or an RPM value
1530	(e.g. pistons)."""
1531	super(GenericAircraftModel, self).__init__(flapsNotches = flapsNotches)
1532
1533	self._fuelTanks = fuelTanks
1534	self._fuelTankCapacities = [1.0] * len(fuelTanks)
1535	self._fuelIndex = None
1536	self._numEngines = numEngines
1537	self._engineStartIndex = None
1538	self._isN1 = isN1
1539
1540	def doesHandle(self, aircraft, aircraftInfo):
1541	"""Determine if the model handles the given aircraft name.
1542
1543	This implementation returns True."""
1544	return True
1545
1546	def addMonitoringData(self, data, fsType):
1547	"""Add the model-specific monitoring data to the given array."""
1548	super(GenericAircraftModel, self).addMonitoringData(data, fsType)
1549
1550	self._fuelIndex = self._addFuelData(data)
1551
1552	self._engineStartIndex = len(data)
1553	if self._isN1:
1554	self._addDatarefWithIndexMember(data,
1555	"sim/flightmodel/engine/ENGN_N1_",
1556	(TYPE_FLOAT_ARRAY,
1557	self._numEngines))
1558	else:
1559	self._addDatarefWithIndexMember(data,
1560	"sim/flightmodel/engine/POINT_tacrad",
1561	(TYPE_FLOAT_ARRAY,
1562	self._numEngines))
1563
1564	self._addDatarefWithIndexMember(data,
1565	"sim/flightmodel/engine/ENGN_propmode",
1566	(TYPE_INT_ARRAY, self._numEngines))
1567
1568	def getAircraftState(self, aircraft, timestamp, data):
1569	"""Get the aircraft state.
1570
1571	Get it from the parent, and then add the data about the fuel levels and
1572	the engine parameters."""
1573	state = super(GenericAircraftModel, self).getAircraftState(aircraft,
1574	timestamp,
1575	data)
1576
1577	state.fuel = []
1578	state.totalFuel = 0.0
1579
1580	fuelAmounts = data[self._fuelIndex]
1581	for i in range(0, len(self._fuelTanks)):
1582	amount = fuelAmounts[i]
1583	state.fuel.append((self._fuelTanks[i], amount))
1584	state.totalFuel += amount
1585
1586	power = data[self._engineStartIndex]
1587
1588	state.n1 = power[:] if self._isN1 else None
1589	state.rpm = None if self._isN1 else power[:]
1590
1591	propMode = data[self._engineStartIndex+1]
1592	state.reverser = [mode == 3 for mode in propMode]
1593
1594	return state
1595
1596	def getFuel(self, handler, callback):
1597	"""Get the fuel information for this model.
1598
1599	See Simulator.getFuel for more information. This
1600	implementation simply queries the fuel tanks given to the
1601	constructor."""
1602	data = []
1603	self._addFuelData(data)
1604	data.append( ("sim/aircraft/weight/acf_m_fuel_tot", TYPE_FLOAT) )
1605	data.append( ("sim/aircraft/overflow/acf_tank_rat",
1606	(TYPE_FLOAT_ARRAY, len(self._fuelTanks)) ) )
1607
1608	handler.requestRead(data, self._handleFuelRetrieved,
1609	extra = callback)
1610
1611	def setFuelLevel(self, handler, levels):
1612	"""Set the fuel level.
1613
1614	See the description of Simulator.setFuelLevel. This
1615	implementation simply sets the fuel tanks as given."""
1616	data = []
1617	for (tank, level) in levels:
1618	try:
1619	index = self._fuelTanks.index(tank)
1620	data.append( ("sim/flightmodel/weight/m_fuel",
1621	(TYPE_FLOAT_ARRAY, 1, index),
1622	[level * self._fuelTankCapacities[index]]) )
1623	except:
1624	print("xplane.Simulator.setFuelLevel: invalid tank constant: %d" % \
1625	(tank,))
1626
1627	handler.requestWrite(data, self._handleFuelWritten)
1628
1629	def _addFuelData(self, data):
1630	"""Add the fuel offsets to the given data array.
1631
1632	Returns the index of the first fuel tank's data."""
1633	fuelStartIndex = len(data)
1634	data.append( ("sim/flightmodel/weight/m_fuel",
1635	(TYPE_FLOAT_ARRAY, len(self._fuelTanks) ) ) )
1636
1637	return fuelStartIndex
1638
1639	def _convertFuelData(self, data, index = 0, addCapacities = False):
1640	"""Convert the given data into a fuel info list.
1641
1642	The list consists of two or three-tuples of the following
1643	items:
1644	- the fuel tank ID,
1645	- the amount of the fuel in kg,
1646	- if addCapacities is True, the total capacity of the tank."""
1647	fuelWeight = data[index] / 256.0
1648	index += 1
1649
1650	result = []
1651	totalFuel = 0
1652	for fuelTank in self._fuelTanks:
1653	capacity = data[index+1] * fuelWeight * const.LBSTOKG
1654	if capacity>=1.0:
1655	amount = data[index] * capacity / 128.0 / 65536.0
1656
1657	result.append( (fuelTank, amount, capacity) if addCapacities
1658	else (fuelTank, amount))
1659	totalFuel += amount
1660	index += 2
1661
1662	return (result, totalFuel)
1663
1664	def _handleFuelRetrieved(self, data, callback):
1665	"""Callback for a fuel retrieval request."""
1666	result = []
1667	totalCapacity = data[1]
1668	for index in range(0, len(self._fuelTanks)):
1669	amount = data[0][index]
1670	capacity = data[2][index] * totalCapacity
1671	self._fuelTankCapacities[index] = capacity
1672	result.append( (self._fuelTanks[index], amount, capacity) )
1673
1674	callback(result)
1675
1676	def _handleFuelWritten(self, success, extra):
1677	"""Callback for a fuel setting request."""
1678	pass
1679
1680	#------------------------------------------------------------------------------
1681
1682	class GenericModel(GenericAircraftModel):
1683	"""Generic aircraft model for an unknown type."""
1684	def __init__(self):
1685	"""Construct the model."""
1686	super(GenericModel, self). \
1687	__init__(flapsNotches = [0, 10, 20, 30],
1688	fuelTanks = [const.FUELTANK_LEFT, const.FUELTANK_RIGHT],
1689	numEngines = 2)
1690
1691	@property
1692	def name(self):
1693	"""Get the name for this aircraft model."""
1694	return "X-Plane/Generic"
1695
1696	#------------------------------------------------------------------------------
1697
1698	class B737Model(GenericAircraftModel):
1699	"""Generic model for the Boeing 737 Classing and NG aircraft."""
1700	fuelTanks = [const.FUELTANK_LEFT, const.FUELTANK_CENTRE, const.FUELTANK_RIGHT]
1701
1702	def __init__(self):
1703	"""Construct the model."""
1704	super(B737Model, self). \
1705	__init__(flapsNotches = [0, 1, 2, 5, 10, 15, 25, 30, 40],
1706	fuelTanks = B737Model.fuelTanks,
1707	numEngines = 2)
1708
1709	@property
1710	def name(self):
1711	"""Get the name for this aircraft model."""
1712	return "X-Plane/Generic Boeing 737"
1713
1714	#------------------------------------------------------------------------------
1715
1716	class B767Model(GenericAircraftModel):
1717	"""Generic model for the Boeing 767 aircraft."""
1718	fuelTanks = [const.FUELTANK_LEFT, const.FUELTANK_CENTRE, const.FUELTANK_RIGHT]
1719
1720	def __init__(self):
1721	"""Construct the model."""
1722	super(B767Model, self). \
1723	__init__(flapsNotches = [0, 1, 5, 15, 20, 25, 30],
1724	fuelTanks = B767Model.fuelTanks,
1725	numEngines = 2)
1726
1727	@property
1728	def name(self):
1729	"""Get the name for this aircraft model."""
1730	return "X-Plane/Generic Boeing 767"
1731
1732	#------------------------------------------------------------------------------
1733
1734	class DH8DModel(GenericAircraftModel):
1735	"""Generic model for the Bombardier Dash 8-Q400 aircraft."""
1736	fuelTanks = [const.FUELTANK_LEFT, const.FUELTANK_RIGHT]
1737
1738	def __init__(self):
1739	"""Construct the model."""
1740	super(DH8DModel, self). \
1741	__init__(flapsNotches = [0, 5, 10, 15, 35],
1742	fuelTanks = DH8DModel.fuelTanks,
1743	numEngines = 2)
1744
1745	@property
1746	def name(self):
1747	"""Get the name for this aircraft model."""
1748	return "X-Plane/Generic Bombardier Dash 8-Q400"
1749
1750	#------------------------------------------------------------------------------
1751
1752	class FJSDH8DModel(DH8DModel):
1753	"""Model handler for the FlyJSim Dash 8-Q400."""
1754	@staticmethod
1755	def doesHandle(aircraft, xxx_todo_changeme):
1756	"""Determine if this model handler handles the aircraft with the given
1757	name."""
1758	(tailnum, author, description, notes,
1759	icao, liveryPath) = xxx_todo_changeme
1760	return aircraft.type==const.AIRCRAFT_DH8D and \
1761	description.find("Dash 8 Q400")!=-1 and \
1762	((author in ["2012", "2013"] and tailnum=="N62890") or \
1763	author.find("Jack Skieczius")!=-1)
1764
1765	@property
1766	def name(self):
1767	"""Get the name for this aircraft model."""
1768	return "X-Plane/FlyJSim Bombardier Dash 8-Q400"
1769
1770	def addMonitoringData(self, data, fsType):
1771	"""Add the model-specific monitoring data to the given array."""
1772	super(FJSDH8DModel, self).addMonitoringData(data, fsType)
1773
1774	self._speedBrakeIndex = len(data)
1775	self._addDatarefWithIndexMember(data,
1776	"sim/flightmodel2/wing/speedbrake1_deg",
1777	(TYPE_FLOAT_ARRAY, 2))
1778	self._addDatarefWithIndexMember(data,
1779	"sim/flightmodel2/wing/speedbrake2_deg",
1780	(TYPE_FLOAT_ARRAY, 2))
1781
1782
1783	def getAircraftState(self, aircraft, timestamp, data):
1784	"""Get the aircraft state.
1785
1786	Get it from the parent, and then invert the pitot heat state."""
1787	state = super(FJSDH8DModel, self).getAircraftState(aircraft,
1788	timestamp,
1789	data)
1790	state.antiCollisionLightsOn = \
1791	state.antiCollisionLightsOn or state.strobeLightsOn
1792	state.cog = (state.cog / 0.0254 + 21.504) / 94.512
1793
1794	# It seems that N1 does not always go down to 0 properly
1795	# (maybe due to winds?)
1796	state.n1 = [0 if n1<2.0 else n1 for n1 in state.n1]
1797
1798	state.spoilersExtension = \
1799	sum(data[self._speedBrakeIndex] + data[self._speedBrakeIndex+1])/4
1800
1801	return state
1802
1803	#------------------------------------------------------------------------------
1804
1805	class CRJ2Model(GenericAircraftModel):
1806	"""Generic model for the Bombardier CRJ-200 aircraft."""
1807	fuelTanks = [const.FUELTANK_LEFT, const.FUELTANK_CENTRE, const.FUELTANK_RIGHT]
1808
1809	def __init__(self):
1810	"""Construct the model."""
1811	super(CRJ2Model, self). \
1812	__init__(flapsNotches = [0, 8, 20, 30, 45],
1813	fuelTanks = CRJ2Model.fuelTanks,
1814	numEngines = 2)
1815
1816	@property
1817	def name(self):
1818	"""Get the name for this aircraft model."""
1819	return "X-Plane/Generic Bombardier CRJ-200"
1820
1821	#------------------------------------------------------------------------------
1822
1823	class F70Model(GenericAircraftModel):
1824	"""Generic model for the Fokker F70 aircraft."""
1825	fuelTanks = [const.FUELTANK_LEFT, const.FUELTANK_CENTRE, const.FUELTANK_RIGHT]
1826
1827	def __init__(self):
1828	"""Construct the model."""
1829	super(F70Model, self). \
1830	__init__(flapsNotches = [0, 8, 15, 25, 42],
1831	fuelTanks = F70Model.fuelTanks,
1832	numEngines = 2)
1833
1834	@property
1835	def name(self):
1836	"""Get the name for this aircraft model."""
1837	return "X-Plane/Generic Fokker 70"
1838
1839	#------------------------------------------------------------------------------
1840
1841	class DC3Model(GenericAircraftModel):
1842	"""Generic model for the Lisunov Li-2 (DC-3) aircraft."""
1843	fuelTanks = [const.FUELTANK_LEFT, const.FUELTANK_CENTRE,
1844	const.FUELTANK_RIGHT]
1845	# fuelTanks = [const.FUELTANK_LEFT_AUX, const.FUELTANK_LEFT,
1846	# const.FUELTANK_RIGHT, const.FUELTANK_RIGHT_AUX]
1847
1848	def __init__(self):
1849	"""Construct the model."""
1850	super(DC3Model, self). \
1851	__init__(flapsNotches = [0, 15, 30, 45],
1852	fuelTanks = DC3Model.fuelTanks,
1853	numEngines = 2, isN1 = False)
1854	self._leftLevel = 0.0
1855	self._rightLevel = 0.0
1856
1857	@property
1858	def name(self):
1859	"""Get the name for this aircraft model."""
1860	return "X-Plane/Generic Lisunov Li-2 (DC-3)"
1861
1862	#------------------------------------------------------------------------------
1863
1864	class T134Model(GenericAircraftModel):
1865	"""Generic model for the Tupolev Tu-134 aircraft."""
1866	fuelTanks = [const.FUELTANK_LEFT_TIP, const.FUELTANK_EXTERNAL1,
1867	const.FUELTANK_LEFT_AUX,
1868	const.FUELTANK_CENTRE,
1869	const.FUELTANK_RIGHT_AUX,
1870	const.FUELTANK_EXTERNAL2, const.FUELTANK_RIGHT_TIP]
1871
1872	def __init__(self):
1873	"""Construct the model."""
1874	super(T134Model, self). \
1875	__init__(flapsNotches = [0, 10, 20, 30],
1876	fuelTanks = T134Model.fuelTanks,
1877	numEngines = 2)
1878
1879	@property
1880	def name(self):
1881	"""Get the name for this aircraft model."""
1882	return "X-Plane/Generic Tupolev Tu-134"
1883
1884	#------------------------------------------------------------------------------
1885
1886	class T154Model(GenericAircraftModel):
1887	"""Generic model for the Tupolev Tu-154 aircraft."""
1888	fuelTanks = [const.FUELTANK_CENTRE, const.FUELTANK_CENTRE2,
1889	const.FUELTANK_RIGHT, const.FUELTANK_LEFT,
1890	const.FUELTANK_RIGHT_AUX, const.FUELTANK_LEFT_AUX]
1891
1892	def __init__(self):
1893	"""Construct the model."""
1894	super(T154Model, self). \
1895	__init__(flapsNotches = [0, 15, 28, 45],
1896	fuelTanks = T154Model.fuelTanks,
1897	numEngines = 3)
1898
1899	@property
1900	def name(self):
1901	"""Get the name for this aircraft model."""
1902	return "X-Plane/Generic Tupolev Tu-154"
1903
1904	def getAircraftState(self, aircraft, timestamp, data):
1905	"""Get an aircraft state object for the given monitoring data.
1906
1907	This removes the reverser value for the middle engine."""
1908	state = super(T154Model, self).getAircraftState(aircraft, timestamp, data)
1909	del state.reverser[1]
1910	return state
1911
1912	#------------------------------------------------------------------------------
1913
1914	class FelisT154Model(T154Model):
1915	"""Model for Felis' Tupolev Tu-154-M aircraft."""
1916	@staticmethod
1917	def doesHandle(aircraft, xxx_todo_changeme1):
1918	"""Determine if this model handler handles the aircraft with the given
1919	name."""
1920	(tailnum, author, description, notes,
1921	icao, liveryPath) = xxx_todo_changeme1
1922	return aircraft.type==const.AIRCRAFT_T154 and \
1923	author.find("Felis")!=-1 and \
1924	description.find("Tu154M")!=-1
1925
1926	def __init__(self):
1927	"""Construct the model."""
1928	super(T154Model, self). \
1929	__init__(flapsNotches = [0, 15, 28, 36, 45],
1930	fuelTanks = T154Model.fuelTanks,
1931	numEngines = 3)
1932
1933	@property
1934	def name(self):
1935	"""Get the name for this aircraft model."""
1936	return "X-Plane/Felis Tupolev Tu-154-M"
1937
1938	#------------------------------------------------------------------------------
1939
1940	class YK40Model(GenericAircraftModel):
1941	"""Generic model for the Yakovlev Yak-40 aircraft."""
1942	fuelTanks = [const.FUELTANK_LEFT, const.FUELTANK_RIGHT]
1943
1944	def __init__(self):
1945	"""Construct the model."""
1946	super(YK40Model, self). \
1947	__init__(flapsNotches = [0, 20, 35],
1948	fuelTanks = YK40Model.fuelTanks,
1949	numEngines = 2)
1950
1951	@property
1952	def name(self):
1953	"""Get the name for this aircraft model."""
1954	return "X-Plane/Generic Yakovlev Yak-40"
1955
1956	#------------------------------------------------------------------------------
1957
1958	_genericModels = { const.AIRCRAFT_B736 : B737Model,
1959	const.AIRCRAFT_B737 : B737Model,
1960	const.AIRCRAFT_B738 : B737Model,
1961	const.AIRCRAFT_B738C : B737Model,
1962	const.AIRCRAFT_B732 : B737Model,
1963	const.AIRCRAFT_B733 : B737Model,
1964	const.AIRCRAFT_B734 : B737Model,
1965	const.AIRCRAFT_B735 : B737Model,
1966	const.AIRCRAFT_DH8D : DH8DModel,
1967	const.AIRCRAFT_B762 : B767Model,
1968	const.AIRCRAFT_B763 : B767Model,
1969	const.AIRCRAFT_CRJ2 : CRJ2Model,
1970	const.AIRCRAFT_F70 : F70Model,
1971	const.AIRCRAFT_DC3 : DC3Model,
1972	const.AIRCRAFT_T134 : T134Model,
1973	const.AIRCRAFT_T154 : T154Model,
1974	const.AIRCRAFT_YK40 : YK40Model }
1975
1976	#------------------------------------------------------------------------------
1977
1978	AircraftModel.registerSpecial(FJSDH8DModel)
1979	AircraftModel.registerSpecial(FelisT154Model)
1980
1981	#------------------------------------------------------------------------------
1982
1983	# if __name__ == "__main__":
1984	# class ConnectionListener:
1985	# def connected(self, fsType, descriptor):
1986	# """Called when a connection has been established to the flight
1987	# simulator of the given type."""
1988	# print "fs.ConnectionListener.connected, fsType:", fsType, ", descriptor:", descriptor
1989
1990	# def connectionFailed(self):
1991	# """Called when the connection could not be established."""
1992	# print "fs.ConnectionListener.connectionFailed"
1993
1994	# def disconnected(self):
1995	# """Called when a connection to the flight simulator has been broken."""
1996	# print "fs.ConnectionListener.disconnected"
1997
1998	# class Config:
1999	# def __init__(self):
2000	# self.onlineACARS = False
2001	# self.realIASSmoothingLength = 2
2002	# self.realVSSmoothingLength = 2
2003	# self.enableSounds = False
2004	# self.usingFS2Crew = False
2005
2006	# def isMessageTypeFS(self, type):
2007	# return True
2008
2009
2010
2011	# class GUI:
2012	# def __init__(self):
2013	# self.config = Config()
2014	# self.entranceExam = False
2015	# self.zfw = 30000.0
2016
2017	# def resetFlightStatus(self):
2018	# pass
2019
2020	# def setRating(self, value):
2021	# pass
2022
2023	# def insertFlightLogLine(self, index, ts, text, isFault):
2024	# pass
2025
2026	# def setStage(self, stage):
2027	# pass
2028
2029
2030	# from i18n import setLanguage
2031
2032	# setLanguage("/home/vi/munka/repules/mlx", "en")
2033
2034	# from logger import Logger
2035	# from flight import Flight
2036	# from acft import DH8D
2037
2038	# gui = GUI()
2039
2040	# logger = Logger(gui)
2041
2042	# flight = Flight(logger, gui)
2043	# acft = DH8D(flight)
2044
2045	# Watchdog()
2046
2047	# connectionListener = ConnectionListener()
2048	# simulator = Simulator(connectionListener, connectAttempts = 3)
2049
2050	# simulator.connect(acft)
2051
2052	# time.sleep(2)
2053
2054	# simulator.startMonitoring()
2055
2056	# simulator.sendMessage("[MLX] Flight stage: Taxi", duration = 3)
2057
2058	# time.sleep(4)
2059
2060	# simulator.sendMessage("[MLX] Free gates: 1, 2, 3, 4, 5, 6, 25, 26, 27, 32, 33, 34, 35, 36, 37, 38, 39, 42, 43, 45, 107, 108, 109, R113, R114, R115, R116, R117, R210, R211, R212, R212A, R220, R221, R222, R223, R224, R225, R226, R227, R270, R271, R272, R274, R275, R276, R277, R278, R278A, R279", duration = 20)
2061	# #simulator.sendMessage("[MLX] Free gates: 1, 2, 3, 4, 5, 6, 25, 26, 27, 32, 33, 34, 35, 36, 37, 38, 39, 42, 43, 45, 107, 108, 109, R113, R114, R115, R116", duration = 20)
2062	# #simulator.sendMessage("[MLX] Free gates: 1, 2, 3, 4, 5, 6, 25, 26, 27, 32, 33, 34, 35, 36, 37, 38, 39, 42, 43, 45, 107, 108, 109, R113, R114, R115", duration = 20)
2063
2064	# time.sleep(30)
2065
2066	# simulator.sendMessage("[MLX] Hello", duration = 3)
2067
2068	# time.sleep(10)

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