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added handleChildArrive and handleChildLeave

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This commit is contained in:
Darren Ranalli 2005-06-25 00:19:16 +00:00
parent 7e1a840167
commit fb3aab9e9d
1 changed files with 35 additions and 6 deletions
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41
direct/src/distributed/DistributedObject.py
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@ -69,6 +69,9 @@ class DistributedObject(PandaObject):
#zone of the distributed object, default to 0 #zone of the distributed object, default to 0
self.zone = 0 self.zone = 0
self.parentId = None
self.zoneId = None
if __debug__: if __debug__:
def status(self, indent=0): def status(self, indent=0):
""" """
@ -185,7 +188,8 @@ class DistributedObject(PandaObject):
self.__callbacks = {} self.__callbacks = {}
if wantOtpServer: if wantOtpServer:
#self.cr.deleteObjectLocation(self.doId, self.__location[0], self.__location[1]) #self.cr.deleteObjectLocation(self.doId, self.__location[0], self.__location[1])
self.__location = (None, None) self.setLocation(None, None)
#self.__location = (None, None)
# TODO: disable my children # TODO: disable my children
def isDisabled(self): def isDisabled(self):
@ -380,6 +384,17 @@ class DistributedObject(PandaObject):
def setLocation(self, parentId, zoneId): def setLocation(self, parentId, zoneId):
#self.notify.info("setLocation: %s parentId: %s zoneId: %s" % (self.doId, parentId, zoneId)) #self.notify.info("setLocation: %s parentId: %s zoneId: %s" % (self.doId, parentId, zoneId))
# parentId can be 'None', e.g. when an object is being disabled
oldParentId = self.parentId
oldZoneId = self.zoneId
parentIsNew = (oldParentId != parentId)
# notify any existing parent that we're moving away
if (oldParentId is not None) and parentIsNew:
oldParentObj = self.cr.doId2do.get(oldParentId)
if oldParentObj:
oldParentObj.handleChildLeave(self, oldZoneId)
# The store must run first so we know the old location # The store must run first so we know the old location
self.__location = (parentId, zoneId) self.__location = (parentId, zoneId)
self.parentId = parentId self.parentId = parentId
@ -389,15 +404,16 @@ class DistributedObject(PandaObject):
# Give the parent a chance to run code when a new child # Give the parent a chance to run code when a new child
# sets location to it. For example, the parent may want to # sets location to it. For example, the parent may want to
# scene graph reparent the child to some subnode it owns. # scene graph reparent the child to some subnode it owns.
parentObj = self.cr.doId2do.get(parentId) if (self.parentId is not None) and parentIsNew:
if parentObj: parentObj = self.cr.doId2do.get(parentId)
parentObj.handleChildSetLocation(self, zoneId) if parentObj:
parentObj.handleChildArrive(self, zoneId)
def getLocation(self): def getLocation(self):
return self.__location return self.__location
def handleChildSetLocation(self, childObj, zoneId): def handleChildArrive(self, childObj, zoneId):
self.notify.debug("handleChildSetLocation: %s childId: %s zoneId: %s" % self.notify.debug("handleChildArrive: %s childId: %s zoneId: %s" %
(self.doId, childObj.doId, zoneId)) (self.doId, childObj.doId, zoneId))
# A new child has just setLocation beneath us. Give us a # A new child has just setLocation beneath us. Give us a
# chance to run code when a new child sets location to us. For # chance to run code when a new child sets location to us. For
@ -407,6 +423,19 @@ class DistributedObject(PandaObject):
# Inheritors should override # Inheritors should override
pass pass
def handleChildLeave(self, childObj, zoneId):
self.notify.debug("handleChildLeave: %s childId: %s zoneId: %s" %
(self.doId, childObj.doId, zoneId))
# A child is about to setLocation away from us. Give us a
# chance to run code just before a child sets location away from us.
# Inheritors should override
pass
def getParentObj(self):
if self.parentId is None:
return None
return self.cr.doId2do.get(self.parentId)
def isLocal(self): def isLocal(self):
# This returns true if the distributed object is "local," # This returns true if the distributed object is "local,"