From 796acdd259516e5f911627e9c6161306a964f6cb Mon Sep 17 00:00:00 2001
From: Darren Ranalli <github@dranalli.com>
Date: Tue, 27 Jan 2004 02:12:04 +0000
Subject: [PATCH] remove all references to removed zones

---
 direct/src/level/EntityTypeDesc.py |  8 +++++++
 direct/src/level/LevelSpec.py      | 34 +++++++++++++++++++++++++++++-
 direct/src/level/SpecUtil.py       | 11 +---------
 3 files changed, 42 insertions(+), 11 deletions(-)

diff --git a/direct/src/level/EntityTypeDesc.py b/direct/src/level/EntityTypeDesc.py
index b045cf3bc8..7891f1ad94 100755
--- a/direct/src/level/EntityTypeDesc.py
+++ b/direct/src/level/EntityTypeDesc.py
@@ -45,6 +45,14 @@ class EntityTypeDesc:
         """ returns dict of attribName -> attribDescriptor """
         return self.attribDescDict
 
+    def getAttribsOfType(self, type):
+        """returns list of attrib names of the given type"""
+        names = []
+        for attribName, desc in self.attribDescDict.items():
+            if desc.getDatatype() == type:
+                names.append(attribName)
+        return names
+
     def privCompileAttribDescs(entTypeClass):
         """this compiles an ordered list of attribDescs for the Entity class
         passed in. The attribute descriptors describe the properties of each
diff --git a/direct/src/level/LevelSpec.py b/direct/src/level/LevelSpec.py
index f725af503c..7e271a0de9 100755
--- a/direct/src/level/LevelSpec.py
+++ b/direct/src/level/LevelSpec.py
@@ -98,8 +98,16 @@ class LevelSpec:
         return self.privGetScenarioEntityDict(scenario).keys()
 
     def getAllEntIds(self):
+        """this returns all of the entIds involved in the current scenario"""
         return self.getGlobalEntIds() + self.getScenarioEntIds()
 
+    def getAllEntIdsFromAllScenarios(self):
+        """this returns all of the entIds involved in all scenarios"""
+        entIds = self.getGlobalEntIds()
+        for scenario in xrange(self.getNumScenarios()):
+            entIds.extend(self.getScenarioEntIds(scenario))
+        return entIds
+
     def getEntitySpec(self, entId):
         assert entId in self.entId2specDict
         specDict = self.entId2specDict[entId]
@@ -120,7 +128,7 @@ class LevelSpec:
         return self.getEntityZoneEntId(spec['parentEntId'])
 
     def getEntType2ids(self, entIds):
-        """given list of entIds, return dict of entType 2 entIds"""
+        """given list of entIds, return dict of entType->entIds"""
         entType2ids = {}
         for entId in entIds:
             type = self.getEntityType(entId)
@@ -222,6 +230,30 @@ class LevelSpec:
             del dict[entId]
             del self.entId2specDict[entId]
 
+        def removeZoneReferences(self, removedZoneNums):
+            """call with a list of zoneNums of zone entities that have just
+            been removed; will clean up references to those zones"""
+            assert self.hasEntityTypeReg()
+            # get dict of entType->entIds, for ALL scenarios
+            type2ids = self.getEntType2ids(self.getAllEntIdsFromAllScenarios())
+            # figure out which entity types have attributes that need to be
+            # updated
+            for type in type2ids:
+                typeDesc = self.entTypeReg.getTypeDesc(type)
+                visZoneListAttribs = typeDesc.getAttribsOfType('visZoneList')
+                if len(visZoneListAttribs) > 0:
+                    # this entity type has at least one attrib of type
+                    # 'visZoneList'.
+                    # run through all of the existing entities of this type
+                    for entId in type2ids[type]:
+                        spec = self.getEntitySpec(entId)
+                        # for each attrib of type 'visZoneList'...
+                        for attribName in visZoneListAttribs:
+                            # remove each of the removed zoneNums
+                            for zoneNum in removedZoneNums:
+                                while zoneNum in spec[attribName]:
+                                    spec[attribName].remove(zoneNum)
+
         def getSpecImportsModuleName(self):
             # name of module that should be imported by spec py file
             return 'SpecImports'
diff --git a/direct/src/level/SpecUtil.py b/direct/src/level/SpecUtil.py
index a77a413213..9e3ec46e38 100755
--- a/direct/src/level/SpecUtil.py
+++ b/direct/src/level/SpecUtil.py
@@ -121,13 +121,4 @@ def privUpdateSpec(spec, modelPath, entTypeModule, newZonesGloballyVisible=0):
             spec.doSetAttrib(entId, 'visibility', visList)
 
     # make sure none of the zones reference removed zones
-    # TODO: prune from other zoneList attribs
-    for entId in zoneEntIds:
-        visList = spec.getEntitySpec(entId)['visibility']
-        visDict = list2dict(visList)
-        for zoneNum in removedZoneNums:
-            if zoneNum in visDict:
-                del visDict[zoneNum]
-        visList = visDict.keys()
-        visList.sort()
-        spec.doSetAttrib(entId, 'visibility', visList)
+    spec.removeZoneReferences(removedZoneNums)