"""Undocumented Module"""
__all__ = ['ClassicStyle', 'NewStyle', 'ToonEyes']
from . import FSM
from direct.task import Task
from direct.task.TaskManagerGlobal import taskMgr
[docs]class ClassicStyle(FSM.FSM):
[docs] def __init__(self, name):
FSM.FSM.__init__(self, name)
self.defaultTransitions = {
'Red': ['Green'],
'Yellow': ['Red'],
'Green': ['Yellow'],
}
[docs] def enterRed(self):
print("enterRed(self, '%s', '%s')" % (self.oldState, self.newState))
[docs] def exitRed(self):
print("exitRed(self, '%s', '%s')" % (self.oldState, self.newState))
[docs] def enterYellow(self):
print("enterYellow(self, '%s', '%s')" % (self.oldState, self.newState))
[docs] def exitYellow(self):
print("exitYellow(self, '%s', '%s')" % (self.oldState, self.newState))
[docs] def enterGreen(self):
print("enterGreen(self, '%s', '%s')" % (self.oldState, self.newState))
[docs] def exitGreen(self):
print("exitGreen(self, '%s', '%s')" % (self.oldState, self.newState))
[docs]class NewStyle(FSM.FSM):
[docs] def enterRed(self):
print("enterRed(self, '%s', '%s')" % (self.oldState, self.newState))
[docs] def filterRed(self, request, args):
print("filterRed(self, '%s', %s)" % (request, args))
if request == 'advance':
return 'Green'
return self.defaultFilter(request, args)
[docs] def exitRed(self):
print("exitRed(self, '%s', '%s')" % (self.oldState, self.newState))
[docs] def enterYellow(self):
print("enterYellow(self, '%s', '%s')" % (self.oldState, self.newState))
[docs] def filterYellow(self, request, args):
print("filterYellow(self, '%s', %s)" % (request, args))
if request == 'advance':
return 'Red'
return self.defaultFilter(request, args)
[docs] def exitYellow(self):
print("exitYellow(self, '%s', '%s')" % (self.oldState, self.newState))
[docs] def enterGreen(self):
print("enterGreen(self, '%s', '%s')" % (self.oldState, self.newState))
[docs] def filterGreen(self, request, args):
print("filterGreen(self, '%s', %s)" % (request, args))
if request == 'advance':
return 'Yellow'
return self.defaultFilter(request, args)
[docs] def exitGreen(self):
print("exitGreen(self, '%s', '%s')" % (self.oldState, self.newState))
[docs]class ToonEyes(FSM.FSM):
[docs] def __init__(self):
FSM.FSM.__init__(self, 'eyes')
self.__unblinkName = "unblink"
# Eyes are initially open.
self.request('Open')
[docs] def defaultFilter(self, request, args):
# The default filter accepts any direct state request (these
# start with a capital letter).
if request[0].isupper():
return request
# Unexpected command requests are quietly ignored.
return None
[docs] def enterOpen(self):
print("swap in eyes open model")
[docs] def filterOpen(self, request, args):
if request == 'blink':
taskMgr.remove(self.__unblinkName)
taskMgr.doMethodLater(0.125, self.__unblink, self.__unblinkName)
return 'Closed'
return self.defaultFilter(request, args)
def __unblink(self, task):
self.request('unblink')
return Task.done
[docs] def enterClosed(self):
print("swap in eyes closed model")
[docs] def filterClosed(self, request, args):
if request == 'unblink':
return 'Open'
return self.defaultFilter(request, args)
[docs] def enterSurprised(self):
print("swap in eyes surprised model")
[docs] def enterOff(self):
taskMgr.remove(self.__unblinkName)
####
#### Example of using ClassicStyle:
##
## >>> import SampleFSM
## >>> foo = SampleFSM.ClassicStyle('foo')
## >>> foo.request('Red')
## enterRed(self, 'Off', 'Red')
## ('Red',)
## >>> foo.request('Yellow')
## Traceback (most recent call last):
## File "<stdin>", line 1, in ?
## File "/home/drose/player/direct/src/fsm/FSM.py", line 168, in request
## result = func(request, args)
## File "/home/drose/player/direct/src/fsm/FSM.py", line 210, in defaultFilter
## self.notify.error("%s rejecting request %s from state %s." % (self.name, request, self.state))
## File "/home/drose/player/direct/src/directnotify/Notifier.py", line 99, in error
## raise exception(errorString)
## StandardError: foo rejecting request Yellow from state Red.
## >>> foo.request('Green')
## exitRed(self, 'Red', 'Green')
## enterGreen(self, 'Red', 'Green')
## ('Green',)
## >>>
####
#### Example of using NewStyle:
##
## >>> import SampleFSM
## >>> foo = SampleFSM.NewStyle('foo')
## >>> foo.request('Red')
## enterRed(self, 'Off', 'Red')
## ('Red',)
## >>> foo.request('advance')
## filterRed(self, 'advance', ())
## exitRed(self, 'Red', 'Green')
## enterGreen(self, 'Red', 'Green')
## ('Green',)
## >>> foo.request('advance')
## filterGreen(self, 'advance', ())
## exitGreen(self, 'Green', 'Yellow')
## enterYellow(self, 'Green', 'Yellow')
## ('Yellow',)
## >>> foo.request('advance')
## filterYellow(self, 'advance', ())
## exitYellow(self, 'Yellow', 'Red')
## enterRed(self, 'Yellow', 'Red')
## ('Red',)
## >>> foo.request('advance')
## filterRed(self, 'advance', ())
## exitRed(self, 'Red', 'Green')
## enterGreen(self, 'Red', 'Green')
## ('Green',)
## >>>
####
#### Example of using ToonEyes:
##
## >>> from ShowBaseGlobal import *
## >>> import SampleFSM
## >>> eyes = SampleFSM.ToonEyes()
## swap in eyes open model
## >>> eyes.request('blink')
## swap in eyes closed model
## ('Closed',)
## >>> run()
## swap in eyes open model
## >>> eyes.request('Surprised')
## swap in eyes surprised model
## ('Surprised',)
## >>> eyes.request('blink')
## >>>
