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homework3.py
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import sys
import time
import math
from tile import Tile
class Halma():
def __init__(self, plank_size=16, t_limit=60, c_player=Tile.P_RED):
br = []
f = open("input.txt", "r")
global st
st = f.readline()
# print(st)
global val
val = f.readline()
val = val.strip()
t_limit = float(f.readline())
t_limit = 60
for i in range(16):
br.append(f.readline().split())
for i in range(16):
word = br[i][0]
br[i] = [word[i:i + 1] for i in range(0, len(word), 1)]
mb = [['B', 'B', 'B', 'B', 'B', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.'],
['B', 'B', 'B', 'B', 'B', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.'],
['B', 'B', 'B', 'B', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.'],
['B', 'B', 'B', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.'],
['B', 'B', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.'],
['.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.'],
['.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.'],
['.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.'],
['.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.'],
['.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.'],
['.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.'],
['.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', 'W', 'W'],
['.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', 'W', 'W', 'W'],
['.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', 'W', 'W', 'W', 'W'],
['.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', 'W', 'W', 'W', 'W', 'W'],
['.', '.', '.', '.', '.', '.', '.', '.', '.', '.', '.', 'W', 'W', 'W', 'W', 'W']]
for i in range(len(br)):
for j in range(len(br[i])):
if (br[i][j] == 'B'):
br[i][j] = 2
elif (br[i][j] == 'W'):
br[i][j] = 1
else:
br[i][j] = 0
a = 'BLACK'
b = 'WHITE'
plank = [[None] * plank_size for _ in range(plank_size)]
for r in range(plank_size):
for c in range(plank_size):
if br[r][c] == 1:
if (r > 10) and (r + c) >= 25 and r != 15:
ele = Tile(1, 1, 0, r, c)
elif (r > 10) and (r + c) > 25 and r == 15:
ele = Tile(1, 1, 0, r, c)
elif (r + c) <= 5 and (r < 5) and r != 0:
ele = Tile(2, 1, 0, r, c)
elif (r + c) < 5 and (r < 5) and r == 0:
ele = Tile(2, 1, 0, r, c)
else:
ele = Tile(0, 1, 0, r, c)
elif br[r][c] == 2:
if (r + c) <= 5 and (r < 5) and r != 0:
ele = Tile(2, 2, 0, r, c)
elif (r + c) < 5 and (r < 5) and r == 0:
ele = Tile(2, 2, 0, r, c)
elif (r > 10) and (r + c) >= 25 and r != 15:
ele = Tile(1, 2, 0, r, c)
elif (r > 10) and (r + c) > 25 and r == 15:
ele = Tile(1, 2, 0, r, c)
else:
ele = Tile(0, 2, 0, r, c)
else:
if (r + c) <= 5 and (r < 5) and r != 0:
ele = Tile(2, 0, 0, r, c)
elif (r + c) < 5 and (r < 5) and r == 0:
ele = Tile(2, 0, 0, r, c)
elif (r > 10) and (r + c) >= 25 and r != 15:
ele = Tile(1, 0, 0, r, c)
elif (r > 10) and (r + c) > 25 and r == 15:
ele = Tile(1, 0, 0, r, c)
else:
ele = Tile(0, 0, 0, r, c)
plank[r][c] = ele
self.r_goals = [t for r in plank
for t in r if t.tile == Tile.T_RED]
self.g_goals = [t for r in plank
for t in r if t.tile == Tile.T_GREEN]
self.plank_size = plank_size
self.t_limit = t_limit
self.c_player = c_player
self.plank = plank
if val[0] == 'W':
self.current_player = Tile.P_GREEN
else:
self.current_player = Tile.P_RED
if self.current_player == Tile.P_RED:
self.c_player = Tile.P_RED
else:
self.c_player = Tile.P_GREEN
if val[0] == 'B':
self.current_player = Tile.P_RED
else:
self.current_player = Tile.P_GREEN
if self.current_player == Tile.P_RED:
self.c_player = Tile.P_RED
else:
self.c_player = Tile.P_GREEN
self.selected_tile = None
self.valid_moves = []
self.computing = False
self.total_plies = 0
self.ply_depth = 2
self.ab_enabled = True
if self.c_player == self.current_player:
self.execute_computer_move()
def minimax(self, depth, player_to_max, max_time, a=float("-inf"),
b=float("inf"), maxing=True, prunes=0, planks=0):
if depth == 0 or time.time() > max_time:
return self.utility_distance(player_to_max), None, prunes, planks
best_move = None
if maxing:
best_val = float("-inf")
moves = self.get_next_moves(player_to_max)
else:
best_val = float("inf")
moves = self.get_next_moves((Tile.P_RED
if player_to_max == Tile.P_GREEN else Tile.P_GREEN))
for move in moves:
for to in move["to"]:
if time.time() > max_time:
return best_val, best_move, prunes, planks
piece = move["from"].piece
move["from"].piece = Tile.P_NONE
to.piece = piece
planks += 1
val, _, new_prunes, new_planks = self.minimax(depth - 1,
player_to_max, max_time, a, b, not maxing, prunes, planks)
prunes = new_prunes
planks = new_planks
to.piece = Tile.P_NONE
move["from"].piece = piece
if maxing and val > best_val:
best_val = val
best_move = (move["from"].loc, to.loc)
a = max(a, val)
if not maxing and val < best_val:
best_val = val
best_move = (move["from"].loc, to.loc)
b = min(b, val)
if self.ab_enabled and b <= a:
return best_val, best_move, prunes + 1, planks
return best_val, best_move, prunes, planks
def execute_computer_move(self):
current_turn = (self.total_plies // 2) + 1
sys.stdout.flush()
self.computing = True
max_time = time.time() + self.t_limit
start = time.time()
_, move, prunes, planks = self.minimax(self.ply_depth,
self.c_player, max_time)
end = time.time()
ct = self.plank[move[0][0]][move[0][1]]
to_tile = self.plank[move[1][0]][move[1][1]]
path = self.get_moves_at_tilee(ct, to_tile, self.c_player)
move_from = self.plank[move[0][0]][move[0][1]]
move_to = self.plank[move[1][0]][move[1][1]]
from_tile = move_from
to_tile = move_to
c = to_tile.loc[0]
d = to_tile.loc[1]
e = from_tile.loc[0]
f = from_tile.loc[1]
a = abs(c - e)
b = abs(d - f)
self.move_piece(move_from, move_to)
dup_move_from = self.plank[move[0][0]][move[0][1]]
dup_move_to = self.plank[move[1][0]][move[1][1]]
result = []
if a >= 2 or b >= 2:
while True:
for ele in path:
if (ele[0] == dup_move_to):
result.insert(0, (ele[0].loc[1], ele[0].loc[0]))
result.insert(0, (ele[1].loc[1], ele[1].loc[0]))
res = ele[1]
if res == dup_move_from:
break
else:
dup_move_to = ele[1]
break
if res == dup_move_from:
break
else:
continue
z = open("output.txt", "w+")
ct = 0
for ele in result:
if ct % 2 == 0:
line = ["J "]
for lines in line:
z.write(lines)
z.write("{0},{1} ".format(ele[0], ele[1]))
else:
z.write("{0},{1}".format(ele[0], ele[1]))
z.write('\n')
ct = ct + 1
self.computing = False
print()
def get_next_moves(self, player):
moves = []
flag=0
if val[0]=='W' and st[0]=='S':
for i in range(11, 16):
if i == 11:
for j in range(14, 16):
ct = self.plank[i][j]
if ct.piece == player:
flag = 1
break
elif i == 12:
for j in range(13, 14):
ct = self.plank[i][j]
if ct.piece == player:
flag = 1
break
elif i == 13:
for j in range(12, 13):
ct = self.plank[i][j]
if ct.piece == player:
flag = 1
break
elif i == 14:
for j in range(11, 12):
ct = self.plank[i][j]
if ct.piece == player:
flag = 1
break
elif i == 15:
for j in range(11, 12):
ct = self.plank[i][j]
if ct.piece == player:
flag = 1
break
if flag == 1:
break
if val[0] == 'B' and st[0] == 'S':
for i in range(4, -1, -1):
if i == 0:
for j in range(4, 3, -1):
ct = self.plank[i][j]
if ct.piece == player:
flag = 1
break
elif i == 1:
for j in range(4, 3, -1):
ct = self.plank[i][j]
if ct.piece == player:
flag = 1
break
elif i == 2:
for j in range(3, 2, -1):
ct = self.plank[i][j]
if ct.piece == player:
flag = 1
break
elif i == 3:
for j in range(2, 1, -1):
ct = self.plank[i][j]
if ct.piece == player:
flag = 1
break
elif i == 4:
for j in range(1, -1, -1):
ct = self.plank[i][j]
if ct.piece == player:
flag = 1
break
if flag == 1:
break
if val[0] == 'W' and st[0] == 'S' and flag==0:
for i in range(11, 16):
if i == 11:
for j in range(14, 16):
ct = self.plank[i][j]
if ct.piece == player:
flag = 1
break
elif i == 12:
for j in range(13, 16):
ct = self.plank[i][j]
if ct.piece == player:
flag = 1
break
elif i == 13:
for j in range(12, 16):
ct = self.plank[i][j]
if ct.piece == player:
flag = 1
break
elif i == 14:
for j in range(11, 16):
ct = self.plank[i][j]
if ct.piece == player:
flag = 1
break
elif i == 15:
for j in range(11, 16):
ct = self.plank[i][j]
if ct.piece == player:
flag = 1
break
if flag == 1:
break
if val[0] == 'B' and st[0]=='S' and flag==0:
for i in range(4, -1, -1):
if i == 0:
for j in range(4, -1, -1):
ct = self.plank[i][j]
if ct.piece == player:
flag = 1
break
elif i == 1:
for j in range(4, -1, -1):
ct = self.plank[i][j]
if ct.piece == player:
flag = 1
break
elif i == 2:
for j in range(3, -1, -1):
ct = self.plank[i][j]
if ct.piece == player:
flag = 1
break
elif i == 3:
for j in range(2, -1, -1):
ct = self.plank[i][j]
if ct.piece == player:
flag = 1
break
elif i == 4:
for j in range(1, -1, -1):
ct = self.plank[i][j]
if ct.piece == player:
print("trouble")
flag = 1
break
if flag == 1:
break
if val[0]=='W' and st[0]=='G' and (self.plank[11][14].piece==player or self.plank[11][15].piece==player or self.plank[12][13].piece==player or self.plank[12][14].piece==player or self.plank[12][15].piece==player or self.plank[13][12].piece==player or self.plank[13][13].piece==player or self.plank[13][14].piece==player or self.plank[13][15].piece==player or self.plank[14][11].piece==player or self.plank[14][12].piece==player or self.plank[14][13].piece==player or self.plank[14][14].piece==player or self.plank[14][15].piece==player or self.plank[15][11].piece==player or self.plank[15][12].piece==player or self.plank[15][13].piece==player or self.plank[15][14].piece==player or self.plank[15][15].piece==player):
if self.plank[12][15].piece==player:
ct = self.plank[12][15]
flag = 1
elif self.plank[13][14].piece==player:
ct = self.plank[13][14]
flag = 1
elif self.plank[14][13].piece==player:
ct = self.plank[14][13]
flag=1
elif self.plank[15][12].piece==player:
ct = self.plank[15][12]
flag=1
elif self.plank[14][15].piece==player:
ct = self.plank[14][15]
flag=1
elif self.plank[15][14].piece==player:
ct = self.plank[15][14]
flag=1
elif self.plank[11][14].piece==player:
ct = self.plank[11][14]
flag=1
elif self.plank[12][13].piece==player:
ct = self.plank[12][13]
flag=1
elif self.plank[13][12].piece==player:
ct = self.plank[13][12]
flag=1
elif self.plank[14][11].piece==player:
ct = self.plank[14][11]
flag=1
elif self.plank[15][11].piece==player:
ct = self.plank[15][11]
flag=1
elif self.plank[13][15].piece==player:
ct = self.plank[13][15]
flag=1
elif self.plank[14][14].piece==player:
ct = self.plank[14][14]
flag=1
elif self.plank[15][13].piece==player:
ct = self.plank[15][13]
flag=1
elif self.plank[11][15].piece==player:
ct = self.plank[11][15]
flag=1
elif self.plank[12][14].piece==player:
ct = self.plank[12][14]
flag=1
elif self.plank[13][13].piece==player:
ct = self.plank[13][13]
flag=1
elif self.plank[14][12].piece==player:
ct = self.plank[14][12]
flag=1
elif self.plank[15][15].piece==player:
ct = self.plank[15][15]
flag=1
if val[0] == 'B' and st[0] == 'G' and (self.plank[4][1].piece==player or self.plank[4][0].piece==player or self.plank[3][2].piece==player or self.plank[3][1].piece==player or self.plank[3][0].piece==player or self.plank[2][3].piece==player or self.plank[2][2].piece==player or self.plank[2][1].piece==player or self.plank[2][0].piece==player or self.plank[1][4].piece==player or self.plank[1][3].piece==player or self.plank[1][2].piece==player or self.plank[1][1].piece==player or self.plank[1][0].piece==player or self.plank[0][4].piece==player or self.plank[0][3].piece==player or self.plank[0][2].piece==player or self.plank[0][1].piece==player or self.plank[0][0].piece==player):
if self.plank[3][0].piece==player:
ct = self.plank[3][0]
flag = 1
elif self.plank[2][1].piece==player:
ct = self.plank[2][1]
flag = 1
elif self.plank[1][2].piece==player:
ct = self.plank[1][2]
flag=1
elif self.plank[0][3].piece==player:
ct = self.plank[0][3]
flag=1
elif self.plank[1][0].piece==player:
ct = self.plank[1][0]
flag=1
elif self.plank[0][1].piece==player:
ct = self.plank[0][1]
flag=1
elif self.plank[4][1].piece==player:
ct = self.plank[4][1]
flag=1
elif self.plank[3][2].piece==player:
ct = self.plank[3][2]
flag=1
elif self.plank[2][3].piece==player:
ct = self.plank[2][3]
flag=1
elif self.plank[1][4].piece==player:
ct = self.plank[1][4]
flag=1
elif self.plank[0][4].piece==player:
ct = self.plank[0][4]
flag=1
elif self.plank[2][0].piece==player:
ct = self.plank[2][0]
flag=1
elif self.plank[1][1].piece==player:
ct = self.plank[1][1]
flag=1
elif self.plank[0][2].piece==player:
ct = self.plank[0][2]
flag=1
elif self.plank[4][0].piece==player:
ct = self.plank[4][0]
flag=1
elif self.plank[3][1].piece==player:
ct = self.plank[3][1]
flag=1
elif self.plank[2][2].piece==player:
ct = self.plank[2][2]
flag=1
elif self.plank[1][3].piece==player:
ct = self.plank[1][3]
flag=1
elif self.plank[0][0].piece==player:
ct = self.plank[0][0]
flag=1
if flag==1:
move = {
"from": ct,
"to": self.get_moves_at_tile(ct, player)
}
moves.append(move)
if flag == 0:
for c in range(self.plank_size):
for r in range(self.plank_size):
ct = self.plank[r][c]
if ct.piece != player:
continue
move = {
"from": ct,
"to": self.get_moves_at_tile(ct, player)
}
moves.append(move)
return moves
def get_moves_at_tile(self, tile, player, moves=None, adj=True):
if moves is None:
moves = []
r = tile.loc[0]
c = tile.loc[1]
vt = [Tile.T_NONE, Tile.T_GREEN, Tile.T_RED]
if tile.tile != player:
vt.remove(player)
if tile.tile != Tile.T_NONE and tile.tile != player:
vt.remove(Tile.T_NONE)
for cd in range(-1, 2):
for rd in range(-1, 2):
nr = r + rd
nc = c + cd
if ((nr == r and nc == c) or
nr < 0 or nc < 0 or
nr >= self.plank_size or nc >= self.plank_size):
continue
nt = self.plank[nr][nc]
if nt.tile not in vt:
continue
if nt.piece == Tile.P_NONE:
if adj:
moves.append(nt)
continue
nr = nr + rd
nc = nc + cd
if (nr < 0 or nc < 0 or
nr >= self.plank_size or nc >= self.plank_size):
continue
nt = self.plank[nr][nc]
if nt in moves or (nt.tile not in vt):
continue
if nt.piece == Tile.P_NONE:
moves.insert(0, nt)
self.get_moves_at_tile(nt, player, moves, False)
return moves
def get_moves_at_tilee(self, tile, to_tile, player, moves=None, adj=True, pre=[]):
if moves is None:
moves = []
r = tile.loc[0]
c = tile.loc[1]
vt = [Tile.T_NONE, Tile.T_GREEN, Tile.T_RED]
if tile.tile != player:
vt.remove(player)
if tile.tile != Tile.T_NONE and tile.tile != player:
vt.remove(Tile.T_NONE)
for cd in range(-1, 2):
for rd in range(-1, 2):
nr = r + rd
nc = c + cd
if ((nr == r and nc == c) or
nr < 0 or nc < 0 or
nr >= self.plank_size or nc >= self.plank_size):
continue
nt = self.plank[nr][nc]
if nt.tile not in vt:
continue
if nt.piece == Tile.P_NONE:
if adj:
moves.append(nt)
continue
nr = nr + rd
nc = nc + cd
if (nr < 0 or nc < 0 or
nr >= self.plank_size or nc >= self.plank_size):
continue
nt = self.plank[nr][nc]
if nt in moves or (nt.tile not in vt):
continue
if nt.piece == Tile.P_NONE:
moves.insert(0, nt)
pre.insert(0, (nt, tile))
self.get_moves_at_tilee(nt, to_tile, player, moves, False, pre)
return pre
def move_piece(self, from_tile, to_tile):
to_tile.piece = from_tile.piece
from_tile.piece = Tile.P_NONE
to_tile.outline = Tile.O_MOVED
from_tile.outline = Tile.O_MOVED
self.total_plies += 1
c = to_tile.loc[0]
d = to_tile.loc[1]
e = from_tile.loc[0]
f = from_tile.loc[1]
a = abs(c - e)
b = abs(d - f)
if a <= 1 and b <= 1:
z = open("output.txt", "w+")
line = ["E "]
for lines in line:
z.write(lines)
z.write("{0},{1} ".format(from_tile.loc[1], from_tile.loc[0]))
z.write("{0},{1}".format(to_tile.loc[1], to_tile.loc[0]))
def utility_distance(self, player):
def point_distance(p0, p1):
return math.sqrt((p1[0] - p0[0]) ** 2 + (p1[1] - p0[1]) ** 2)
value = 0
for c in range(self.plank_size):
for r in range(self.plank_size):
tile = self.plank[r][c]
if tile.piece == Tile.P_GREEN:
distances = [point_distance(tile.loc, g.loc) for g in
self.r_goals if g.piece != Tile.P_GREEN]
value -= max(distances) if len(distances) else -50
elif tile.piece == Tile.P_RED:
distances = [point_distance(tile.loc, g.loc) for g in
self.g_goals if g.piece != Tile.P_RED]
value += max(distances) if len(distances) else -50
if player == Tile.P_RED:
value *= -1
return value
if __name__ == "__main__":
halma = Halma()