def mobility(board, side):
enemy = 1 - side
moves = 0
#copy = BC.BC_state(board, side)
#print(copy)
for r in range(8):
for c in range(8):
piece = board[r][c]
if PIECES[piece] != '-' and piece % 2 == side:
limit = 8
if PIECES[piece] in ['p', 'P']:
limit = 4
for i in range(limit):
dest = PM.get_next_space((r, c), i)
while dest is not None:
dest_piece = board[dest[0]][dest[1]]
if PIECES[dest_piece] != '-':
if dest_piece % 2 == side: break
if PIECES[piece] not in [
'i', 'I', 'l', 'L', 'k', 'K'
]:
if dest_piece % 2 == enemy: break
if PM.can_move((r, c), dest, board, i):
moves += 1
if PIECES[piece] in ['k', 'K']: break
dest = PM.get_next_space(dest, i)
#print("\n")
#print(moves)
#print(copy)
return moves
def get_moves(location, state, dir, whoseMove, successors):
dest = PM.get_next_space(location, dir)
piece = state.board[location[0]][location[1]]
enemy = 1 - whoseMove
while dest is not None:
dest_piece = state.board[dest[0]][dest[1]]
if dest_piece != 0 and dest_piece % 2 == whoseMove: break
if PIECES[piece] not in ['i', 'I', 'l', 'L', 'k', 'K']:
if dest_piece != 0 and dest_piece % 2 == enemy: break
if PM.can_move(location, dest, state.board, dir):
move = (location, dest, dir)
successors.append(move)
if piece in ['k', 'K']: break
dest = PM.get_next_space(dest, dir)
return successors
def get_moves(location, state, dir, whoseMove):
successors = []
dest = PM.get_next_space(location, dir)
piece = state.board[location[0]][location[1]]
enemy = 1 - whoseMove
while dest is not None:
dest_piece = state.board[[dest[0]]][dest[1]]
if dest_piece != 0 and dest_piece % 2 == whoseMove: break
if PIECES[piece] not in ['i', 'I', 'l', 'L', 'k','K']:
if dest_piece != 0 and dest_piece % 2 == enemy: break
if PM.can_move(location, dest, state, dir):
#print(location)
#print(dest)
#print("\n")
new_state = PM.move(location, dest, state, dir)
successors.append(new_state)
dest = PM.get_next_space(dest, dir)
if piece in ['k','K']: break
#print(dest)
#print("\n")
return successors
def king_safety(board, side):
score = 0
king = 12
if side == 1:
king = 13
enemy = 1 - side
king_location = PM.get_piece_location(king, board)
if PM.is_king_in_check(board, king_location, side):
return 100
else:
for i in range(8):
next = PM.get_next_space(king_location, i)
if next == None: continue
if board[next[0]][next[1]] == 0:
score -= 2
elif board[next[0]][next[1]] % 2 == enemy:
score -= 10
else:
score += 2
return score
