added cellWidth as a required field of CartesianGrids

direct/src/distributed/DistributedCartesianGrid.py

@@ -52,6 +52,9 @@ class DistributedCartesianGrid(DistributedNode, CartesianGridBase):
         # If this distributed object is a DistributedGrid return 1.  0 by default
         return 1
 
+    def setCellWidth(self, width):
+        self.cellWidth = width
+
     def setParentingRules(self, style, rule):
         assert self.notify.debug("setParentingRules: style: %s, rule: %s" % (style, rule))
         rules = rule.split(self.RuleSeparator)

direct/src/distributed/DistributedCartesianGridAI.py

@@ -10,13 +10,14 @@ class DistributedCartesianGridAI(DistributedNodeAI, CartesianGridBase):
 
     RuleSeparator = ":"
 
-    def __init__(self, air, startingZone, gridSize, gridRadius,
+    def __init__(self, air, startingZone, gridSize, gridRadius, cellWidth,
             style="Cartesian"):
         DistributedNodeAI.__init__(self, air)
         self.style = style
         self.startingZone = startingZone
         self.gridSize = gridSize
         self.gridRadius = gridRadius
+        self.cellWidth = cellWidth
 
         # Keep track of all AI objects added to the grid
         self.gridObjects = {}
@@ -31,6 +32,9 @@ class DistributedCartesianGridAI(DistributedNodeAI, CartesianGridBase):
         # 0 by default
         return 1
 
+    def getCellWidth(self):
+        return self.cellWidth
+    
     def getParentingRules(self):
         self.notify.debug("calling getter")
         rule = ("%i%s%i%s%i" % (self.startingZone, self.RuleSeparator,