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Timer.py
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81 lines (67 loc) · 2.02 KB
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"""Contains the Timer class."""
__all__ = ['Timer']
from . import Task
class Timer:
id = 0
def __init__(self, name=None):
self.finalT = 0.0
self.currT = 0.0
if (name == None):
name = 'default-timer-%d' % Timer.id
Timer.id += 1
self.name = name
self.started = 0
self.callback = None
def start(self, t, name):
if (self.started):
self.stop()
self.callback = None
self.finalT = t
self.name = name
self.startT = globalClock.getFrameTime()
self.currT = 0.0
taskMgr.add(self.__timerTask, self.name + '-run')
self.started = 1
def startCallback(self, t, callback):
if (self.started):
self.stop()
self.callback = callback
self.finalT = t
self.startT = globalClock.getFrameTime()
self.currT = 0.0
taskMgr.add(self.__timerTask, self.name + '-run')
self.started = 1
def stop(self):
if (not self.started):
return 0.0
taskMgr.remove(self.name + '-run')
self.started = 0
return self.currT
def resume(self):
assert self.currT <= self.finalT
assert self.started == 0
self.start(self.finalT - self.currT, self.name)
def restart(self):
if (self.callback != None):
self.startCallback(self.finalT, self.callback)
else:
self.start(self.finalT, self.name)
def isStarted(self):
return self.started
def addT(self, t):
self.finalT = self.finalT + t
def setT(self, t):
self.finalT = t
def getT(self):
return (self.finalT - self.currT)
def __timerTask(self, task):
t = globalClock.getFrameTime()
te = t - self.startT
self.currT = te
if (te >= self.finalT):
if (self.callback != None):
self.callback()
else:
messenger.send(self.name)
return Task.done
return Task.cont