[Wtfibs-commit] WTFibs/src Backgammon.py,1.8,1.9

[Brett K. <in...@us...>]

Update of /cvsroot/wtfibs/WTFibs/src
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv13091/src

Modified Files:
	Backgammon.py 
Log Message:
added Board.isValidMoveFromBar(), tests

Index: Backgammon.py
===================================================================
RCS file: /cvsroot/wtfibs/WTFibs/src/Backgammon.py,v
retrieving revision 1.8
retrieving revision 1.9
diff -u -d -r1.8 -r1.9
--- Backgammon.py	16 Aug 2005 04:57:24 -0000	1.8
+++ Backgammon.py	17 Aug 2005 19:32:29 -0000	1.9
@@ -30,7 +30,7 @@
 import random
 
 ###
-# A series of classes that represent a backgammon board, as well as
+# A series of classes that represent a backgammon board, as well as 
 # providing moving functionality.
 ###
 
@@ -81,6 +81,16 @@
         self.face = random.randint(1, self.sides)
         return self.face
 
+class Cube(object):
+    """Represents the doubling cube"""
+
+    def __init__(self,value=1):
+        self.value = value
+
+    def double(self):
+        """Double the current value of the cube"""
+        self.value *= 2
+
 class ExtraBoardPoint(BoardPoint):
     """Generic class for non-board-point areas (Bar and Bearoff Area)"""
 
@@ -151,6 +161,21 @@
                        if x.color == self.colors[color]])
         return cks <= 1
 
+    def isValidMoveFromBar(self, color, die):
+        """Checks to see if a checker can be moved from the bar
+        using a given die roll"""
+        color = color.capitalize()
+        if color not in self.colors \
+               or die < 1 or die > 6:
+            raise ValueError('Invalid function arguments')
+        if color == 'White':
+            cks = len([x for x in self.points[24 - die].checkers
+                      if x.color == self.colors[color]])
+        elif color == 'Black':
+            cks = len([x for x in self.points[die - 1].checkers
+                      if x.color == self.colors[color]])
+        return cks <= 1
+
     def move(self, startpos, endpos):
         """Move piece from startpos to endpos"""
         if startpos < 1 or endpos < 1: