def getstate_edge(self, fc, lc):
edge_faceids = fc[self.edge_faces]
edge_cubieids = np.right_shift(edge_faceids, 2) - 8 # -8 is here since
# we start the edge cubie ids at 8 and lehmer code
# requires the permutations to start at zero
edge_cubie_index = lc.encode(edge_cubieids)
return edge_cubie_index
def getstate(self, fc, lc):
corner_faceids = fc[self.corner_faces]
corner_cubieids = np.right_shift(corner_faceids, 2)
corner_orientids = np.bitwise_and(corner_faceids, 3)[0:-1]
corner_cubie_index = lc.encode(corner_cubieids)
corner_cubie_index = corner_cubie_index * 2187
corner_orient_index = np.sum(corner_orientids * np.array([729,243,81,27,9,3,1], dtype=np.int))
return corner_cubie_index + corner_orient_index
def getstate(self, fc, lc):
corner_faceids = fc[self.corner_faces] # Get the corner cubie faces
corner_cubieids = np.right_shift(corner_faceids, 2) # This picks out the
# cube ids in the higher bits
corner_orientids = np.bitwise_and(corner_faceids, 3)[0:-1] # This picks
# out the lowest two bits that encode orientations
corner_cubie_index = lc.encode(corner_cubieids)
corner_cubie_index = corner_cubie_index * 2187
corner_orient_index = np.sum(corner_orientids * np.array([729,243,81,27,9,3,1], dtype=np.int))
return corner_cubie_index + corner_orient_index # combine cubie and orientation
def getstate_edgesplit(self, fc, lc, frsti):
edge_faceids = fc[self.edge_faces][frsti::2]
# 12 pick 7
if frsti == 0:
edge_faceids = np.append(edge_faceids,fc[9])
else:
edge_faceids = np.append(edge_faceids,fc[4])
edge_cubieids = np.right_shift(edge_faceids, 2) - 8
edge_orientids = np.bitwise_and(edge_faceids, 3)
edge_cubie_index = lc.encode(edge_cubieids)
# 12 pick 6
#edge_cubie_index = edge_cubie_index * 64
#edge_orient_index = np.sum(edge_orientids * np.array([32,16,8,4,2,1], dtype=np.int))
# 12 pick 7
edge_cubie_index = edge_cubie_index * 128
edge_orient_index = np.sum(edge_orientids * np.array([64,32,16,8,4,2,1], dtype=np.int))
return edge_cubie_index + edge_orient_index
def getstate_edgesplit(self, fc, lc, frsti):
edge_faceids = fc[self.edge_faces][frsti::2] # nominally select
# the odd for one set of 6 edges
# and even for the other set of 6 edges
# 12 pick 7
# add one edge cube to each set
if frsti == 0:
edge_faceids = np.append(edge_faceids,fc[41])
else:
edge_faceids = np.append(edge_faceids,fc[43])
edge_cubieids = np.right_shift(edge_faceids, 2) - 8 # -8 here to set
# cube ids to start at zero for edges
edge_orientids = np.bitwise_and(edge_faceids, 3)
edge_cubie_index = lc.encode(edge_cubieids)
# 12 pick 6
#edge_cubie_index = edge_cubie_index * 64
#edge_orient_index = np.sum(edge_orientids * np.array([32,16,8,4,2,1], dtype=np.int))
# 12 pick 7
edge_cubie_index = edge_cubie_index * 128
edge_orient_index = np.sum(edge_orientids * np.array([64,32,16,8,4,2,1], dtype=np.int))
return edge_cubie_index + edge_orient_index
def getstate_edge(self, fc, lc):
edge_faceids = fc[self.edge_faces]
edge_cubieids = np.right_shift(edge_faceids, 2) - 8
edge_cubie_index = lc.encode(edge_cubieids)
return edge_cubie_index