debugging statements and cleanup to help track down disable problems

direct/src/distributed/CRCache.py

@@ -16,6 +16,7 @@ class CRCache:
         """
         Delete each item in the cache then clear all references to them
         """
+        assert(self.checkCache())
         CRCache.notify.debug("Flushing the cache")
         for distObj in self.dict.values():
             distObj.delete()
@@ -26,6 +27,7 @@ class CRCache:
     def cache(self, distObj):
         # Only distributed objects are allowed in the cache
         assert(isinstance(distObj, DistributedObject.DistributedObject))
+        assert(self.checkCache())
         # Get the doId
         doId = distObj.getDoId()
         # Error check
@@ -53,6 +55,7 @@ class CRCache:
         return None
 
     def retrieve(self, doId):
+        assert(self.checkCache())
         if self.dict.has_key(doId):
             # Find the object
             distObj = self.dict[doId]
@@ -70,6 +73,7 @@ class CRCache:
         return self.dict.has_key(doId)
     
     def delete(self, doId):
+        assert(self.checkCache())
         assert(self.dict.has_key(doId))
         # Look it up
         distObj = self.dict[doId]
@@ -79,3 +83,11 @@ class CRCache:
         # and delete it
         distObj.delete()
         
+    def checkCache(self):
+        # For debugging; this verifies that the cache is sensible and
+        # returns true if so.
+        from PandaModules import NodePath
+        for obj in self.dict.values():
+            if isinstance(obj, NodePath):
+                assert(not obj.isEmpty() and obj.getTopNode() == hidden.node())
+        return 1

direct/src/distributed/DistributedNode.py

@@ -1,11 +1,11 @@
 """DistributedNode module: contains the DistributedNode class"""
 
 from ShowBaseGlobal import *
-import NodePath
+from PandaModules import NodePath
 import DistributedObject
 import Task
 
-class DistributedNode(DistributedObject.DistributedObject, NodePath.NodePath):
+class DistributedNode(DistributedObject.DistributedObject, NodePath):
     """Distributed Node class:"""
 
     def __init__(self, cr):
@@ -65,6 +65,7 @@ class DistributedNode(DistributedObject.DistributedObject, NodePath.NodePath):
         DistributedAvatar) to override the behavior of setParent if
         desired.
         """
+        if not self.disabled:
             assert(self.cr.token2nodePath.has_key(parentToken))
             parent = self.cr.token2nodePath[parentToken]
             self.wrtReparentTo(parent)

direct/src/distributed/DistributedObject.py

@@ -34,6 +34,12 @@ class DistributedObject(PandaObject):
             # This flag tells whether a delete has been requested on this
             # object.
             self.deleteImminent = 0
+
+            # It's useful to have a "disabled" flag.  This is only
+            # trustworthy if the inheriting class properly calls up
+            # the chain for disable() and generate().
+            self.disabled = 1
+            
         return None
 
     #def __del__(self):
@@ -118,7 +124,7 @@ class DistributedObject(PandaObject):
         """disable(self)
         Inheritors should redefine this to take appropriate action on disable
         """
-        pass
+        self.disabled = 1
 
     def delete(self):
         """delete(self)
@@ -135,7 +141,7 @@ class DistributedObject(PandaObject):
         """generate(self)
         Inheritors should redefine this to take appropriate action on generate
         """
-        pass
+        self.disabled = 0
 
     def generateInit(self):
         """generateInit(self)
@@ -177,5 +183,12 @@ class DistributedObject(PandaObject):
     def uniqueName(self, idString):
         return (idString + "-" + str(self.getDoId()))
 
+    def isLocal(self):
+        # This returns true if the distributed object is "local,"
+        # which means the client created it instead of the AI, and it
+        # gets some other special handling.  Normally, only the local
+        # avatar class overrides this to return true.
+        return 0
+    
 
 

direct/src/distributed/DistributedSmoothNode.py

@@ -327,8 +327,3 @@ class DistributedSmoothNode(DistributedNode.DistributedNode):
             self.reloadPosition()
         else:
             NodePath.wrtReparentTo(self, parent)
-
-
-    def isLocal(self):
-        # Local toon will override this to return true
-        return 0