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more efficient removal of previous pending reparents, pending children are put under hidden

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This commit is contained in:
Darren Ranalli 2003-12-15 04:49:36 +00:00
parent 77516513ab
commit da98027b0a
1 changed files with 26 additions and 17 deletions
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43
direct/src/distributed/ParentMgr.py
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@ -31,40 +31,49 @@ class ParentMgr:
# these are nodepaths that have requested to be parented to
# a node that has not yet been registered
self.pendingChildren = {}
# for efficient removal of pending children, we keep a dict
# of pending children to their pending parent
self.pendingChild2parentToken = {}
def destroy(self):
del self.token2nodepath
del self.pendingChildren
del self.pendingChild2parentToken
def privRemoveReparentRequest(self, child):
""" this internal function removes any currently-pending reparent
request for the child nodepath """
if child in self.pendingChild2parentToken:
self.notify.debug("cancelling pending reparent of %s to '%s'" %
(repr(child),
self.pendingChild2parentToken[child]))
parentToken = self.pendingChild2parentToken[child]
del self.pendingChild2parentToken[child]
self.pendingChildren[parentToken].remove(child)
def requestReparent(self, child, parentToken):
if self.token2nodepath.has_key(parentToken):
# this parent has registered
# this child may already be waiting on a different parent;
# make sure they aren't any more
self.privRemoveReparentRequest(child)
self.notify.debug("performing wrtReparent of %s to '%s'" %
(repr(child), parentToken))
child.wrtReparentTo(self.token2nodepath[parentToken])
# Since you can only be under one parent at a time any time we
# see a successful request, let's clear you out of everybody
# else's pendingChildren
for key in self.pendingChildren.keys():
childList = self.pendingChildren[key]
if child in childList:
# take him out of the list
del childList[childList.index(child)]
else:
self.notify.warning(
"child %s requested reparent to '%s', not in list" %
(repr(child), parentToken))
if not self.pendingChildren.has_key(parentToken):
self.pendingChildren[parentToken] = []
# make sure the child is not in the pendingChildren list
# for more than one parent
for key in self.pendingChildren.keys():
childList = self.pendingChildren[key]
if child in childList:
# take him out of the list
del childList[childList.index(child)]
# cancel any pending reparent on behalf of this child
self.privRemoveReparentRequest(child)
# make note of this pending parent request
self.pendingChild2parentToken[child] = parentToken
self.pendingChildren[parentToken].append(child)
# there is no longer any valid place for the child in the
# scenegraph; put it under hidden
child.reparentTo(hidden)
def registerParent(self, token, parent):
if self.token2nodepath.has_key(token):
@ -110,7 +119,7 @@ class ParentMgr:
def unregisterParent(self, token):
if not self.token2nodepath.has_key(token):
self.notify.warning("unknown token '%s'" % token)
self.notify.warning("unknown parent token '%s'" % token)
return
self.notify.debug("unregistering parent '%s'" % (token))
del self.token2nodepath[token]