Made selection compatible with multi windows

direct/src/directtools/DirectSelection.py

@@ -520,9 +520,9 @@ class SelectionQueue(CollisionHandlerQueue):
         v = Vec3(entry.getSurfacePoint(fromNodePath))
         n = entry.getSurfaceNormal(fromNodePath)
         # Convert to camera space for backfacing test
-        if self.collisionNodePath.getParent() != base.cam:
+        if self.collisionNodePath.getParent() != base.direct.cam:
             # Problem: assumes base.cam is the camera in question
-            p2cam = self.collisionNodePath.getParent().getMat(base.cam)
+            p2cam = self.collisionNodePath.getParent().getMat(base.direct.cam)
             v = Vec3(p2cam.xformPoint(v))
             n = p2cam.xformVec(n)
         # Normalize and check angle between to vectors
@@ -582,7 +582,8 @@ class SelectionRay(SelectionQueue):
                 return
             mx = base.mouseWatcherNode.getMouseX()
             my = base.mouseWatcherNode.getMouseY()
-        self.collider.setFromLens(base.camNode, mx, my)
+
+        self.collider.setFromLens(base.direct.camNode, mx, my)
         self.ct.traverse(targetNodePath)
         self.sortEntries()