def get_line(start, k):
tiles = []
coord = Hex.hex_neighbor(start, k)
if Board.is_on_board(coord):
tiles.append(coord)
Board.get_line_step(coord, k, tiles)
return tiles
def has_neighbor(game, coord, current_rot):
Board.update_blocked(game)
coord_neighs = []
for k in range(6):
if k != current_rot:
coord_neighs.append(Hex.hex_neighbor(coord, k))
par_rot = (current_rot + 3) % 6
neigh_coord = Hex.hex_neighbor(coord, current_rot)
for k in range(6):
if k != par_rot:
coord_neighs.append(Hex.hex_neighbor(neigh_coord, k))
# print(coord_neighs)
for cn in coord_neighs:
if cn in Board.blocked:
return True
return False
def update_blocked(game):
for pt in game.placed_tiles:
(q, r, k) = pt[0]
coord = (q, r)
if Board.is_on_board(coord):
Board.blocked.add(coord)
neigh = Hex.hex_neighbor(coord, k)
if Board.is_on_board(neigh):
Board.blocked.add(neigh)
def is_free_pair_overlay(coord, k, overlay_blocked):
if coord in overlay_blocked:
return False
if not Board.is_on_board(coord):
return False
neighbor = Hex.hex_neighbor(coord, k)
# print("testing neighbor ", neighbor)
if neighbor in overlay_blocked:
return False
if not Board.is_on_board(neighbor):
return False
return True
def draw_pair(coords, cols):
# Draw under-layer
(q, r, k) = coords
(c1, c2) = cols
Board.draw_empty_tile(q, r, k)
# Draw coloured shapes
primary_points = Shapes.plot_primary(Board.board_size, Board.size, q, r, c1)
Board.draw_shape(c1, primary_points)
(nq, nr) = Hex.hex_neighbor((q, r), k)
secondary_points = Shapes.plot_primary(Board.board_size, Board.size, nq, nr, c2)
Board.draw_shape(c2, secondary_points)
def is_free_pair(coord, k, free=False):
# print("testing coord ", coord)
if coord in Board.blocked:
return False
if not free and not Board.is_on_board(coord):
return False
neighbor = Hex.hex_neighbor(coord, k)
# print("testing neighbor ", neighbor)
if neighbor in Board.blocked:
return False
if not free and not Board.is_on_board(neighbor):
return False
return True
def count_available_pairs():
count = 0
overlay_blocked = set(Board.blocked)
for k in range(0, 3):
for r in range(-6, 7):
for q in range(-6, 7):
if Board.is_free_pair_overlay((q, r), k, overlay_blocked):
Board.overlays.append((q, r, k))
overlay_blocked.add((q, r))
overlay_blocked.add(Hex.hex_neighbor((q, r), k))
count += 1
# Prevent drawing the overlays
Board.overlays = []
# print(f'Available pairs: {count} ({Board.count_available()})')
return count
def is_legal(coords):
(q, r, k) = coords
tile = (q, r)
if Board.is_on_board((q, r)):
neighbor = Hex.hex_neighbor((q, r), k)
# Check if clicked on 2-player board => distance 6
if Board.is_on_board(neighbor):
# exit if square is non-empty
if tile in Board.blocked:
return False
elif neighbor in Board.blocked:
return False
else:
distances_tile = [Hex.hex_distance(tile, pt[0][0:2]) for pt in Board.placed_tiles]
distances_other = [Hex.hex_distance(tile, Board.get_other_coord(pt)) for pt in Board.placed_tiles]
neighbor_tile = [Hex.hex_distance(neighbor, pt[0][0:2]) for pt in Board.placed_tiles]
neighbor_other = [Hex.hex_distance(neighbor, Board.get_other_coord(pt)) for pt in
Board.placed_tiles]
distances = distances_tile + distances_other + neighbor_tile + neighbor_other
if min(distances) > 1:
return False
else:
return True
def get_other_coord(tile):
return Hex.hex_neighbor(tile[0][0:2], tile[0][2])
def get_line_step(coord, k, tiles):
coord = Hex.hex_neighbor(coord, k)
if Board.is_on_board(coord):
tiles.append(coord)
Board.get_line_step(coord, k, tiles)