mirror of
https://github.com/Sneed-Group/Poodletooth-iLand
synced 2024-12-26 05:02:31 -06:00
442 lines
15 KiB
Python
442 lines
15 KiB
Python
"""FunctionInterval module: contains the FunctionInterval class"""
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__all__ = ['FunctionInterval', 'EventInterval', 'AcceptInterval', 'IgnoreInterval', 'ParentInterval', 'WrtParentInterval', 'PosInterval', 'HprInterval', 'ScaleInterval', 'PosHprInterval', 'HprScaleInterval', 'PosHprScaleInterval', 'Func', 'Wait']
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from pandac.PandaModules import *
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from direct.showbase.MessengerGlobal import *
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from direct.directnotify.DirectNotifyGlobal import directNotify
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import Interval
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import types
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#############################################################
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### ###
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### See examples of function intervals in IntervalTest.py ###
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### ###
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#############################################################
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class FunctionInterval(Interval.Interval):
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# Name counter
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functionIntervalNum = 1
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# Keep a list of function intervals currently in memory for
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# Control-C-Control-V redefining. These are just weakrefs so they
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# should not cause any leaks.
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if __debug__:
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import weakref
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FunctionIntervals = weakref.WeakKeyDictionary()
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@classmethod
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def replaceMethod(self, oldFunction, newFunction):
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import types
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count = 0
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for ival in self.FunctionIntervals:
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# print 'testing: ', ival.function, oldFunction
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# Note: you can only replace methods currently
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if type(ival.function) == types.MethodType:
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if (ival.function.im_func == oldFunction):
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# print 'found: ', ival.function, oldFunction
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ival.function = types.MethodType(newFunction,
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ival.function.im_self,
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ival.function.im_class)
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count += 1
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return count
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# create FunctionInterval DirectNotify category
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notify = directNotify.newCategory('FunctionInterval')
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# Class methods
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def __init__(self, function, **kw):
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"""__init__(function, name = None, openEnded = 1, extraArgs = [])
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"""
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name = kw.pop('name', None)
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openEnded = kw.pop('openEnded', 1)
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extraArgs = kw.pop('extraArgs', [])
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# Record instance variables
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self.function = function
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# Create a unique name for the interval if necessary
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if name is None:
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name = self.makeUniqueName(function)
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assert isinstance(name, str)
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# Record any arguments
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self.extraArgs = extraArgs
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self.kw = kw
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# Initialize superclass
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# Set openEnded true if privInitialize after end time cause interval
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# function to be called. If false, privInitialize calls have no effect
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# Event, Accept, Ignore intervals default to openEnded = 0
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# Parent, Pos, Hpr, etc intervals default to openEnded = 1
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Interval.Interval.__init__(self, name, duration = 0.0, openEnded = openEnded)
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# For rebinding, let's remember this function interval on the class
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if __debug__:
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self.FunctionIntervals[self] = 1
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@staticmethod
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def makeUniqueName(func, suffix = ''):
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name = 'Func-%s-%d' % (getattr(func, '__name__', str(func)), FunctionInterval.functionIntervalNum)
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FunctionInterval.functionIntervalNum += 1
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if suffix:
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name = '%s-%s' % (name, str(suffix))
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return name
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def privInstant(self):
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# Evaluate the function
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self.function(*self.extraArgs, **self.kw)
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# Print debug information
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self.notify.debug(
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'updateFunc() - %s: executing Function' % self.name)
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### FunctionInterval subclass for throwing events ###
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class EventInterval(FunctionInterval):
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# Initialization
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def __init__(self, event, sentArgs=[]):
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"""__init__(event, sentArgs)
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"""
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def sendFunc(event = event, sentArgs = sentArgs):
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messenger.send(event, sentArgs)
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# Create function interval
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FunctionInterval.__init__(self, sendFunc, name = event)
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### FunctionInterval subclass for accepting hooks ###
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class AcceptInterval(FunctionInterval):
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# Initialization
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def __init__(self, dirObj, event, function, name = None):
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"""__init__(dirObj, event, function, name)
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"""
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def acceptFunc(dirObj = dirObj, event = event, function = function):
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dirObj.accept(event, function)
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# Determine name
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if (name == None):
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name = 'Accept-' + event
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# Create function interval
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FunctionInterval.__init__(self, acceptFunc, name = name)
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### FunctionInterval subclass for ignoring events ###
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class IgnoreInterval(FunctionInterval):
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# Initialization
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def __init__(self, dirObj, event, name = None):
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"""__init__(dirObj, event, name)
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"""
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def ignoreFunc(dirObj = dirObj, event = event):
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dirObj.ignore(event)
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# Determine name
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if (name == None):
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name = 'Ignore-' + event
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# Create function interval
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FunctionInterval.__init__(self, ignoreFunc, name = name)
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### Function Interval subclass for adjusting scene graph hierarchy ###
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class ParentInterval(FunctionInterval):
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# ParentInterval counter
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parentIntervalNum = 1
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# Initialization
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def __init__(self, nodePath, parent, name = None):
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"""__init__(nodePath, parent, name)
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"""
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def reparentFunc(nodePath = nodePath, parent = parent):
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nodePath.reparentTo(parent)
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# Determine name
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if (name == None):
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name = 'ParentInterval-%d' % ParentInterval.parentIntervalNum
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ParentInterval.parentIntervalNum += 1
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# Create function interval
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FunctionInterval.__init__(self, reparentFunc, name = name)
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### Function Interval subclass for adjusting scene graph hierarchy ###
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class WrtParentInterval(FunctionInterval):
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# WrtParentInterval counter
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wrtParentIntervalNum = 1
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# Initialization
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def __init__(self, nodePath, parent, name = None):
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"""__init__(nodePath, parent, name)
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"""
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def wrtReparentFunc(nodePath = nodePath, parent = parent):
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nodePath.wrtReparentTo(parent)
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# Determine name
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if (name == None):
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name = ('WrtParentInterval-%d' %
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WrtParentInterval.wrtParentIntervalNum)
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WrtParentInterval.wrtParentIntervalNum += 1
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# Create function interval
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FunctionInterval.__init__(self, wrtReparentFunc, name = name)
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### Function Interval subclasses for instantaneous pose changes ###
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class PosInterval(FunctionInterval):
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# PosInterval counter
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posIntervalNum = 1
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# Initialization
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def __init__(self, nodePath, pos, duration = 0.0,
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name = None, other = None):
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"""__init__(nodePath, pos, duration, name)
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"""
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# Create function
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def posFunc(np = nodePath, pos = pos, other = other):
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if other:
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np.setPos(other, pos)
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else:
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np.setPos(pos)
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# Determine name
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if (name == None):
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name = 'PosInterval-%d' % PosInterval.posIntervalNum
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PosInterval.posIntervalNum += 1
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# Create function interval
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FunctionInterval.__init__(self, posFunc, name = name)
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class HprInterval(FunctionInterval):
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# HprInterval counter
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hprIntervalNum = 1
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# Initialization
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def __init__(self, nodePath, hpr, duration = 0.0,
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name = None, other = None):
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"""__init__(nodePath, hpr, duration, name)
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"""
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# Create function
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def hprFunc(np = nodePath, hpr = hpr, other = other):
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if other:
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np.setHpr(other, hpr)
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else:
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np.setHpr(hpr)
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# Determine name
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if (name == None):
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name = 'HprInterval-%d' % HprInterval.hprIntervalNum
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HprInterval.hprIntervalNum += 1
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# Create function interval
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FunctionInterval.__init__(self, hprFunc, name = name)
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class ScaleInterval(FunctionInterval):
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# ScaleInterval counter
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scaleIntervalNum = 1
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# Initialization
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def __init__(self, nodePath, scale, duration = 0.0,
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name = None, other = None):
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"""__init__(nodePath, scale, duration, name)
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"""
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# Create function
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def scaleFunc(np = nodePath, scale = scale, other = other):
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if other:
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np.setScale(other, scale)
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else:
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np.setScale(scale)
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# Determine name
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if (name == None):
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name = 'ScaleInterval-%d' % ScaleInterval.scaleIntervalNum
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ScaleInterval.scaleIntervalNum += 1
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# Create function interval
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FunctionInterval.__init__(self, scaleFunc, name = name)
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class PosHprInterval(FunctionInterval):
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# PosHprInterval counter
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posHprIntervalNum = 1
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# Initialization
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def __init__(self, nodePath, pos, hpr, duration = 0.0,
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name = None, other = None):
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"""__init__(nodePath, pos, hpr, duration, name)
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"""
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# Create function
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def posHprFunc(np = nodePath, pos = pos, hpr = hpr, other = other):
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if other:
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np.setPosHpr(other, pos, hpr)
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else:
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np.setPosHpr(pos, hpr)
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# Determine name
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if (name == None):
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name = 'PosHprInterval-%d' % PosHprInterval.posHprIntervalNum
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PosHprInterval.posHprIntervalNum += 1
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# Create function interval
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FunctionInterval.__init__(self, posHprFunc, name = name)
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class HprScaleInterval(FunctionInterval):
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# HprScaleInterval counter
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hprScaleIntervalNum = 1
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# Initialization
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def __init__(self, nodePath, hpr, scale, duration = 0.0,
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name = None, other = None):
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"""__init__(nodePath, hpr, scale, duration, other, name)
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"""
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# Create function
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def hprScaleFunc(np=nodePath, hpr=hpr, scale=scale,
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other = other):
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if other:
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np.setHprScale(other, hpr, scale)
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else:
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np.setHprScale(hpr, scale)
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# Determine name
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if (name == None):
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name = ('HprScale-%d' %
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HprScaleInterval.hprScaleIntervalNum)
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HprScaleInterval.hprScaleIntervalNum += 1
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# Create function interval
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FunctionInterval.__init__(self, hprScaleFunc, name = name)
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class PosHprScaleInterval(FunctionInterval):
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# PosHprScaleInterval counter
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posHprScaleIntervalNum = 1
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# Initialization
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def __init__(self, nodePath, pos, hpr, scale, duration = 0.0,
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name = None, other = None):
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"""__init__(nodePath, pos, hpr, scale, duration, other, name)
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"""
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# Create function
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def posHprScaleFunc(np=nodePath, pos=pos, hpr=hpr, scale=scale,
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other = other):
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if other:
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np.setPosHprScale(other, pos, hpr, scale)
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else:
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np.setPosHprScale(pos, hpr, scale)
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# Determine name
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if (name == None):
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name = ('PosHprScale-%d' %
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PosHprScaleInterval.posHprScaleIntervalNum)
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PosHprScaleInterval.posHprScaleIntervalNum += 1
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# Create function interval
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FunctionInterval.__init__(self, posHprScaleFunc, name = name)
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class Func(FunctionInterval):
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def __init__(self, *args, **kw):
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function = args[0]
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assert hasattr(function, '__call__')
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extraArgs = args[1:]
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kw['extraArgs'] = extraArgs
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FunctionInterval.__init__(self, function, **kw)
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class Wait(WaitInterval):
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def __init__(self, duration):
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WaitInterval.__init__(self, duration)
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"""
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SAMPLE CODE
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from IntervalGlobal import *
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i1 = Func(base.transitions.fadeOut)
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i2 = Func(base.transitions.fadeIn)
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def caughtIt():
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print 'Caught here-is-an-event'
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class DummyAcceptor(DirectObject):
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pass
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da = DummyAcceptor()
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i3 = Func(da.accept, 'here-is-an-event', caughtIt)
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i4 = Func(messenger.send, 'here-is-an-event')
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i5 = Func(da.ignore, 'here-is-an-event')
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# Using a function
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def printDone():
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print 'done'
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i6 = Func(printDone)
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# Create track
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t1 = Sequence([
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# Fade out
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(0.0, i1),
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# Fade in
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(2.0, i2),
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# Accept event
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(4.0, i3),
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# Throw it,
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(5.0, i4),
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# Ignore event
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(6.0, i5),
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# Throw event again and see if ignore worked
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(7.0, i4),
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# Print done
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(8.0, i6)], name = 'demo')
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# Play track
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t1.play()
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### Specifying interval start times during track construction ###
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# Interval start time can be specified relative to three different points:
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# PREVIOUS_END
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# PREVIOUS_START
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# TRACK_START
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startTime = 0.0
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def printStart():
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global startTime
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startTime = globalClock.getFrameTime()
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print 'Start'
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def printPreviousStart():
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global startTime
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currTime = globalClock.getFrameTime()
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print 'PREVIOUS_END %0.2f' % (currTime - startTime)
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def printPreviousEnd():
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global startTime
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currTime = globalClock.getFrameTime()
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print 'PREVIOUS_END %0.2f' % (currTime - startTime)
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def printTrackStart():
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global startTime
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currTime = globalClock.getFrameTime()
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print 'TRACK_START %0.2f' % (currTime - startTime)
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i1 = Func(printStart)
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# Just to take time
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i2 = LerpPosInterval(camera, 2.0, Point3(0, 10, 5))
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# This will be relative to end of camera move
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i3 = FunctionInterval(printPreviousEnd)
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# Just to take time
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i4 = LerpPosInterval(camera, 2.0, Point3(0, 0, 5))
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# This will be relative to the start of the camera move
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i5 = FunctionInterval(printPreviousStart)
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# This will be relative to track start
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i6 = FunctionInterval(printTrackStart)
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# Create the track, if you don't specify offset type in tuple it defaults to
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# relative to TRACK_START (first entry below)
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t2 = Track([(0.0, i1), # i1 start at t = 0, duration = 0.0
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(1.0, i2, TRACK_START), # i2 start at t = 1, duration = 2.0
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(2.0, i3, PREVIOUS_END), # i3 start at t = 5, duration = 0.0
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(1.0, i4, PREVIOUS_END), # i4 start at t = 6, duration = 2.0
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(3.0, i5, PREVIOUS_START), # i5 start at t = 9, duration = 0.0
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(10.0, i6, TRACK_START)], # i6 start at t = 10, duration = 0.0
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name = 'startTimeDemo')
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t2.play()
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smiley = loader.loadModel('models/misc/smiley')
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from direct.actor import Actor
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donald = Actor.Actor()
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donald.loadModel("phase_6/models/char/donald-wheel-1000")
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donald.loadAnims({"steer":"phase_6/models/char/donald-wheel-wheel"})
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donald.reparentTo(render)
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seq = Sequence(Func(donald.setPos, 0, 0, 0),
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donald.actorInterval('steer', duration=1.0),
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donald.posInterval(1, Point3(0, 0, 1)),
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Parallel(donald.actorInterval('steer', duration=1.0),
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donald.posInterval(1, Point3(0, 0, 0)),
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),
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Wait(1.0),
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Func(base.toggleWireframe),
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Wait(1.0),
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Parallel(donald.actorInterval('steer', duration=1.0),
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donald.posInterval(1, Point3(0, 0, -1)),
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Sequence(donald.hprInterval(1, Vec3(180, 0, 0)),
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donald.hprInterval(1, Vec3(0, 0, 0)),
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),
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),
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Func(base.toggleWireframe),
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Func(messenger.send, 'hello'),
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)
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"""
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