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def cutoff(score, cutoff_point=32, cutoff_rate=0.1):
sign = 1 if score > 0 else -1
score = abs(score)
if score > cutoff_point:
score -= cutoff_point
score *= cutoff_rate
score += cutoff_point
return score * sign
def get_opponents(butler, player):
table = butler.table
if player in [table.openE, table.openW]:
return [table.openN, table.openS]
if player in [table.openN, table.openS]:
return [table.openE, table.openW]
if player in [table.closeE, table.closeW]:
return [table.closeN, table.closeS]
if player in [table.closeN, table.closeS]:
return [table.closeE, table.closeW]
def get_room(butler, player):
table = butler.table
if player in [table.openE, table.openW, table.openN, table.openS]:
return 'open'
if player in [table.closeE, table.closeW, table.closeN, table.closeS]:
return 'closed'
def get_line(butler, player):
table = butler.table
room = get_room(butler, player).upper()
direction = 'NS' if player in [table.openN, table.openS, table.closeN, table.closeS] else 'EW'
return '%s_%s' % (room, direction)
def normalize(butler, opp_factor=0.5):
if butler.board_count == 0:
return 0.0
return (
butler.cut_score / butler.board_count
+ butler.opp_score * opp_factor
) * butler.board_count
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