Mercurial > fife-parpg

annotate engine/python/fife/extensions/fife_timer.py @ 606:a5c890f0e757

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This is a temporary fix for the timer issue which causes random segfaults. Timers are no longer deleted prematurely. [t:483]
author prock@33b003aa-7bff-0310-803a-e67f0ece8222
date Thu, 16 Sep 2010 16:46:17 +0000
parents c8820cc201db
children eab690c748a3
rev   line source
378
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
1 # -*- coding: utf-8 -*-
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
2
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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3 # ####################################################################
606
a5c890f0e757 This is a temporary fix for the timer issue which causes random segfaults. Timers are no longer deleted prematurely.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 508
diff changeset
4 # Copyright (C) 2005-2010 by the FIFE team
a5c890f0e757 This is a temporary fix for the timer issue which causes random segfaults. Timers are no longer deleted prematurely.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 508
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5 # http://www.fifengine.net
378
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6 # This file is part of FIFE.
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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7 #
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
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8 # FIFE is free software; you can redistribute it and/or
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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9 # modify it under the terms of the GNU Lesser General Public
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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10 # License as published by the Free Software Foundation; either
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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11 # version 2.1 of the License, or (at your option) any later version.
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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12 #
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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13 # This library is distributed in the hope that it will be useful,
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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16 # Lesser General Public License for more details.
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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17 #
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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18 # You should have received a copy of the GNU Lesser General Public
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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19 # License along with this library; if not, write to the
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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20 # Free Software Foundation, Inc.,
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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21 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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22 # ####################################################################
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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23
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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24 """
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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25 Convenient timers
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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26 =================
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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27
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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28 Usage::
492
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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29 import fife.extensions.fife_timer
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions.
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30 fife_timer.init( my_fife_engine.getTimeManager() )
378
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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31 def spam():
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
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32 print "SPAM SPAM ",
492
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33 repeater = fife_timer.repeatCall(500,spam)
378
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34 def stop_spam():
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
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35 repeater.stop()
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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36 print "BACON EGGS AND SPAM"
492
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37 fife_timer.delayCall(50000,stop_spam)
378
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
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38
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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39 """
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
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40
495
ae9f5383f5b1 Added a new log module called Script. This should be used by the python modules.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 494
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41 from fife import fife
378
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
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42
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
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43 _manager = None
492
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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44 _alltimers = []
606
a5c890f0e757 This is a temporary fix for the timer issue which causes random segfaults. Timers are no longer deleted prematurely.
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45 _deadtimers = []
378
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46
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
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47 def init(timemanager):
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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48 """
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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49 Initialize timers.
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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50
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
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51 @param timemanager: A L{fife.TimeManager} as retuned by L{fife.Engine.getTimeManager}.
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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52 """
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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53 global _manager
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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54 _manager = timemanager
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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55
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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56 class Timer(fife.TimeEvent):
492
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 488
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57 """
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 488
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58 Timer
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 488
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59
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 488
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60 This class wraps the fife.TimeEvent class to make it easily usable from Python
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
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61 It allows for a TimeEvent to be executed once or multiple times.
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 488
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62 """
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 488
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63 def __init__(self,delay=0,callback=None,repeat=0):
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
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64 """
494
e241d7553496 Fixing the epydoc markup. Did some more commenting.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
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65 @param delay: The delay in milliseconds to execute the callback
e241d7553496 Fixing the epydoc markup. Did some more commenting.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 492
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66 @param callback: The function to execute
e241d7553496 Fixing the epydoc markup. Did some more commenting.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 492
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67 @param repeat: The number of times to execute the callback. 1=once, 0=forever
492
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 488
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68 """
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 488
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69 super(Timer,self).__init__(delay)
606
a5c890f0e757 This is a temporary fix for the timer issue which causes random segfaults. Timers are no longer deleted prematurely.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 508
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70 self._active = False
492
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71 self._callback = callback
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 488
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72 self._manager = _manager
378
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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73 self.setPeriod(delay)
492
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74 self._repeat = repeat
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 488
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75 self._executed = 0
606
a5c890f0e757 This is a temporary fix for the timer issue which causes random segfaults. Timers are no longer deleted prematurely.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 508
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76
378
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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77 def start(self):
492
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
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78 """
606
a5c890f0e757 This is a temporary fix for the timer issue which causes random segfaults. Timers are no longer deleted prematurely.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 508
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79 Call this to start the timer.
a5c890f0e757 This is a temporary fix for the timer issue which causes random segfaults. Timers are no longer deleted prematurely.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 508
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80
a5c890f0e757 This is a temporary fix for the timer issue which causes random segfaults. Timers are no longer deleted prematurely.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 508
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81 This registers the timer with the time manager. The time manger then
a5c890f0e757 This is a temporary fix for the timer issue which causes random segfaults. Timers are no longer deleted prematurely.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 508
diff changeset
82 calls the timers updateEvent() function when the delay time has passed.
492
16ceb3228324 Moved the SoundManager and the 2D math function (helpers) from the shooter demo to the fife extensions.
prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 488
diff changeset
83 """
606
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diff changeset
84 if self._active:
378
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vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
85 return
606
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diff changeset
86 self._active = True
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87
492
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diff changeset
88 self._executed = 0
606
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89
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diff changeset
90 self.setLastUpdateTime(self._manager.getTime())
492
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diff changeset
91 self._manager.registerEvent(self)
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92
378
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diff changeset
93 global _alltimers
606
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94 global _deadtimers
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diff changeset
95
492
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96 _alltimers.append(self)
606
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97
378
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98 def stop(self):
492
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99 """
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100 Stops the timer
606
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101
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102 This unregisters the timer from the time manager. The time manager does NOT
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103 delete the timer so make sure you keep a reference to this timer and ensure
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diff changeset
104 python doesnt delete the timer prematurely.
492
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105 """
606
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106 if not self._active:
378
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diff changeset
107 return
606
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108
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diff changeset
109 self._active = False
492
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diff changeset
110 self._manager.unregisterEvent(self)
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111
606
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112
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diff changeset
113 #FIXME: See ticket #483 in trac. This is a temporary solution and needs
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diff changeset
114 #to be reworked.
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115
378
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diff changeset
116 global _alltimers
606
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117 global _deadtimers
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118
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119 #clean up any dead timers
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120 del _deadtimers[:]
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121
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122 #Ddd this timer to the dead timers list to be removed next time a timer
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123 #is stopped.
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124 _deadtimers.append(self)
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125
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126 #finally remove self from the global timer list
492
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127 _alltimers.remove(self)
606
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128
378
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129
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130 def updateEvent(self,delta):
492
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131 """
606
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132 This is called by FIFE::TimeManager when the delay has passed.
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133
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134 Should not be called directly.
492
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135 """
606
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136
492
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137 if self._repeat != 0:
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138 self._executed += 1
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139 if self._executed >= self._repeat:
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diff changeset
140 self.stop()
378
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parents:
diff changeset
141
507
d6de9ab3ce2a Fixed a small problem with the fife timer library. There was a problem with UH when clicking on certain buttons on the main menu which cased a hang/crash. The timer now stops itself before executing the callback.
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142 if callable(self._callback):
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prock@33b003aa-7bff-0310-803a-e67f0ece8222
parents: 495
diff changeset
143 self._callback()
606
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144
507
d6de9ab3ce2a Fixed a small problem with the fife timer library. There was a problem with UH when clicking on certain buttons on the main menu which cased a hang/crash. The timer now stops itself before executing the callback.
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parents: 495
diff changeset
145
378
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diff changeset
146 def delayCall(delay,callback):
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diff changeset
147 """
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diff changeset
148 Delay a function call by a number of milliseconds.
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149
494
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diff changeset
150 @param delay: Delay in milliseconds.
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151 @param callback: The function to call.
378
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152
495
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153 @return: The timer.
494
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diff changeset
154 @rtype: L{Timer}
378
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diff changeset
155 """
492
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diff changeset
156 timer = Timer(delay, callback, 1)
378
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diff changeset
157 timer.start()
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
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diff changeset
158 return timer
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159
492
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diff changeset
160
378
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diff changeset
161 def repeatCall(period,callback):
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162 """
495
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parents: 494
diff changeset
163 Repeat a function call. The call is repeated until the timer is stopped.
378
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164
494
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parents: 492
diff changeset
165 @param period: Period between calls in milliseconds.
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parents: 492
diff changeset
166 @param callback: The function to call.
378
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diff changeset
167
494
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parents: 492
diff changeset
168 @return: The timer.
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parents: 492
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169 @rtype: L{Timer}
378
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diff changeset
170 """
492
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parents: 488
diff changeset
171 timer = Timer(period, callback, 0)
378
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parents:
diff changeset
172 timer.start()
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
173 return timer
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174
492
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175 __all__ = ['init','Timer','delayCall','repeatCall']
378
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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