added getJointTransformState

direct/src/actor/Actor.py

@@ -1242,6 +1242,25 @@ class Actor(DirectObject, NodePath):
             return None
         return joint.getDefaultValue()
 
+    def getJointTransformState(self, partName, jointName, lodName='lodRoot'):
+        partBundleDict=self.__partBundleDict.get(lodName)
+        if not partBundleDict:
+            Actor.notify.warning("no lod named: %s" % (lodName))
+            return None
+
+        subpartDef = self.__subpartDict.get(partName, Actor.SubpartDef(partName))
+        partDef = partBundleDict.get(subpartDef.truePartName)
+        if partDef:
+            bundle = partDef.getBundle()
+        else:
+            Actor.notify.warning("no part named %s!" % (partName))
+            return None
+
+        joint = bundle.findChild(jointName)
+        if joint == None:
+            Actor.notify.warning("no joint named %s!" % (jointName))
+            return None
+        return joint.getTransformState()
 
     def controlJoint(self, node, partName, jointName, lodName="lodRoot"):
         """The converse of exposeJoint: this associates the joint with