Pownie/backgammon
1
0
Fork 0
Code Issues 6 Pull Requests Packages Projects Releases Wiki Activity

Uses proper board instead of Alex' drunken mistakes

Browse Source
This commit is contained in:
Alexander Munch-Hansen 2018-04-15 23:51:28 +02:00
parent f59fe27e5f
commit cc1e010840
1 changed files with 54 additions and 54 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

108
board.py
View File

@ -55,62 +55,62 @@ class Board:
# tesauro
# @staticmethod
# def board_features_tesauro(board, cur_player):
# def ordinary_trans(val, player):
# abs_val = val * player
# if abs_val <= 0: return (0,0,0,0)
# elif abs_val == 1: return (1,0,0,0)
# elif abs_val == 2: return (1,1,0,0)
# elif abs_val == 3: return (1,1,1,0)
# else: return (1,1,1, (abs_val - 3) / 2)
# def bar_trans(board, player):
# if player == 1: return (abs(board[0]/2),)
# elif player == -1: return (abs(board[25]/2),)
# # def ordinary_trans_board(board, player):
# # return np.array(
# # [ordinary_trans(x, player) for x in board[1:25]]
# # ).flatten()
# board_rep = []
# for player in [1,-1]:
# for x in board[1:25]:
# board_rep += ordinary_trans(x, player)
# board_rep += bar_trans(board, player)
# board_rep += (15 - Board.num_of_checkers_for_player(board, player),)
# board_rep += ([1,0] if cur_player == 1 else [1,0])
# return np.array(board_rep).reshape(1,198)
@staticmethod
def board_features_tesauro(board, cur_player):
features = []
for player in [-1,1]:
sum = 0.0
for board_range in range(1,25):
pin = board[board_range]
#print("PIIIN:",pin)
feature = [0.0]*4
if np.sign(pin) == np.sign(player):
sum += abs(pin)
for i in range(min(abs(pin), 3)):
feature[i] = 1
if (abs(pin) > 3):
feature[3] = (abs(pin)-3)/2
features += feature
#print("SUUUM:",sum)
# Append the amount of men on the bar of the current player divided by 2
features.append((board[0] if np.sign(player) < 0 else board[25]) / 2.0)
# Calculate how many pieces there must be in the home state and divide it by 15
features.append((15 - sum) / 15)
features += ([1,0] if np.sign(cur_player) > 0 else [0,1])
test = np.array(features).reshape(1,-1)
#print("TEST:",test)
return test
def ordinary_trans(val, player):
abs_val = val * player
if abs_val <= 0: return (0,0,0,0)
elif abs_val == 1: return (1,0,0,0)
elif abs_val == 2: return (1,1,0,0)
elif abs_val == 3: return (1,1,1,0)
else: return (1,1,1, (abs_val - 3) / 2)
def bar_trans(board, player):
if player == 1: return (abs(board[0]/2),)
elif player == -1: return (abs(board[25]/2),)
# def ordinary_trans_board(board, player):
# return np.array(
# [ordinary_trans(x, player) for x in board[1:25]]
# ).flatten()
board_rep = []
for player in [1,-1]:
for x in board[1:25]:
board_rep += ordinary_trans(x, player)
board_rep += bar_trans(board, player)
board_rep += (15 - Board.num_of_checkers_for_player(board, player),)
board_rep += ([1,0] if cur_player == 1 else [1,0])
return np.array(board_rep).reshape(1,198)
# @staticmethod
# def board_features_tesauro(board, cur_player):
# features = []
# for player in [-1,1]:
# sum = 0.0
# for board_range in range(1,25):
# pin = board[board_range]
# #print("PIIIN:",pin)
# feature = [0.0]*4
# if np.sign(pin) == np.sign(player):
# sum += abs(pin)
# for i in range(min(abs(pin), 3)):
# feature[i] = 1
# if (abs(pin) > 3):
# feature[3] = (abs(pin)-3)/2
# features += feature
# #print("SUUUM:",sum)
# # Append the amount of men on the bar of the current player divided by 2
# features.append((board[0] if np.sign(player) < 0 else board[25]) / 2.0)
# # Calculate how many pieces there must be in the home state and divide it by 15
# features.append((15 - sum) / 15)
# features += ([1,0] if np.sign(cur_player) > 0 else [0,1])
# test = np.array(features).reshape(1,-1)
# #print("TEST:",test)
# return test