def create_random_island(id_string):
"""Creates a random island as sqlite db.
It is rather primitive; it places shapes on the dict.
The coordinates of tiles will be 0 <= x < width and 0 <= y < height
@param id_string: random island id string
@return: sqlite db reader containing island
"""
match_obj = re.match(_random_island_id_regexp, id_string)
assert match_obj
creation_method, width, height, seed = [ long(i) for i in match_obj.groups() ]
assert creation_method == 2, 'The only supported island creation method is 2.'
rand = random.Random(seed)
map_set = set()
# place this number of shapes
for i in xrange(15 + width * height / 45):
# place shape determined by shape_id on (x, y)
add = True
shape_id = rand.randint(2, 8)
rect_chance = 29
if rand.randint(0, 4) == 0:
rect_chance = 13
add = False
shape = None
if rand.randint(1, rect_chance) == 1:
# use a rect
if add:
x = rand.randint(8, width - 7)
y = rand.randint(8, height - 7)
else:
x = rand.randint(0, width)
y = rand.randint(0, height)
shape = Rect.init_from_topleft_and_size(x - 5, y - 5, rand.randint(2, 8), rand.randint(2, 8))
else:
# use a circle such that the radius is determined by shape_id
radius = shape_id
if not add and rand.randint(0, 6) < 5:
x = rand.randint(-radius * 3 / 2, width + radius * 3 / 2)
y = rand.randint(-radius * 3 / 2, height + radius * 3 / 2)
shape = Circle(Point(x, y), shape_id)
elif width - radius - 4 >= radius + 3 and height - radius - 4 >= radius + 3:
x = rand.randint(radius + 3, width - radius - 4)
y = rand.randint(radius + 3, height - radius - 4)
shape = Circle(Point(x, y), shape_id)
if shape:
for shape_coord in shape.tuple_iter():
if add:
map_set.add(shape_coord)
elif shape_coord in map_set:
map_set.discard(shape_coord)
# write values to db
map_db = DbReader(":memory:")
map_db("CREATE TABLE ground(x INTEGER NOT NULL, y INTEGER NOT NULL, ground_id INTEGER NOT NULL, action_id TEXT NOT NULL, rotation INTEGER NOT NULL)")
map_db("CREATE TABLE island_properties(name TEXT PRIMARY KEY NOT NULL, value TEXT NOT NULL)")
map_db("BEGIN TRANSACTION")
# add grass tiles
for x, y in map_set:
map_db("INSERT INTO ground VALUES(?, ?, ?, ?, ?)", x, y, *GROUND.DEFAULT_LAND)
def fill_tiny_spaces(tile):
"""Fills 1 tile gulfs and straits with the specified tile
@param tile: ground tile to fill with
"""
all_neighbours = [(-1, -1), (-1, 0), (-1, 1), (0, -1), (0, 1), (1, -1), (1, 0), (1, 1)]
neighbours = [(-1, 0), (0, -1), (0, 1), (1, 0)]
corners = [(-1, -1), (-1, 1)]
knight_moves = [(-2, -1), (-2, 1), (-1, -2), (-1, 2), (1, -2), (1, 2), (2, -1), (2, 1)]
bad_configs = set([0, 1 << 0, 1 << 1, 1 << 2, 1 << 3, (1 << 0) | (1 << 3), (1 << 1) | (1 << 2)])
edge_set = copy.copy(map_set)
reduce_edge_set = True
while True:
to_fill = set()
to_ignore = set()
for x, y in edge_set:
# ignore the tiles with no empty neighbours
if reduce_edge_set:
is_edge = False
for x_offset, y_offset in all_neighbours:
if (x + x_offset, y + y_offset) not in map_set:
is_edge = True
break
if not is_edge:
to_ignore.add((x, y))
continue
for x_offset, y_offset in neighbours:
x2 = x + x_offset
y2 = y + y_offset
if (x2, y2) in map_set:
continue
# (x2, y2) is now a point just off the island
neighbours_dirs = 0
for i in xrange(len(neighbours)):
x3 = x2 + neighbours[i][0]
y3 = y2 + neighbours[i][1]
if (x3, y3) not in map_set:
neighbours_dirs |= (1 << i)
if neighbours_dirs in bad_configs:
# part of a straight 1 tile gulf
to_fill.add((x2, y2))
else:
for x_offset, y_offset in corners:
x3 = x2 + x_offset
y3 = y2 + y_offset
x4 = x2 - x_offset
y4 = y2 - y_offset
if (x3, y3) in map_set and (x4, y4) in map_set:
# part of a diagonal 1 tile gulf
to_fill.add((x2, y2))
break
# block 1 tile straits
for x_offset, y_offset in knight_moves:
x2 = x + x_offset
y2 = y + y_offset
if (x2, y2) not in map_set:
continue
if abs(x_offset) == 1:
y2 = y + y_offset / 2
if (x2, y2) in map_set or (x, y2) in map_set:
continue
else:
x2 = x + x_offset / 2
if (x2, y2) in map_set or (x2, y) in map_set:
continue
to_fill.add((x2, y2))
# block diagonal 1 tile straits
for x_offset, y_offset in corners:
x2 = x + x_offset
y2 = y + y_offset
x3 = x + 2 * x_offset
y3 = y + 2 * y_offset
if (x2, y2) not in map_set and (x3, y3) in map_set:
to_fill.add((x2, y2))
elif (x2, y2) in map_set and (x2, y) not in map_set and (x, y2) not in map_set:
to_fill.add((x2, y))
if to_fill:
for x, y in to_fill:
map_set.add((x, y))
map_db("INSERT INTO ground VALUES(?, ?, ?, ?, ?)", x, y, *tile)
old_size = len(edge_set)
edge_set = edge_set.difference(to_ignore).union(to_fill)
reduce_edge_set = old_size - len(edge_set) > 50
else:
break
# possible movement directions
all_moves = {
'sw' : (-1, -1),
'w' : (-1, 0),
'nw' : (-1, 1),
's' : (0, -1),
'n' : (0, 1),
'se' : (1, -1),
'e' : (1, 0),
'ne' : (1, 1)
}
def get_island_outline():
"""
@return: the points just off the island as a dict
"""
result = set()
for x, y in map_set:
for offset_x, offset_y in all_moves.itervalues():
coords = (x + offset_x, y + offset_y)
if coords not in map_set:
result.add(coords)
return result
# add grass to sand tiles
fill_tiny_spaces(GROUND.DEFAULT_LAND)
outline = get_island_outline()
for x, y in outline:
filled = []
for dir in sorted(all_moves):
coords = (x + all_moves[dir][1], y + all_moves[dir][0])
if coords in map_set:
filled.append(dir)
tile = None
# straight coast or 1 tile U-shaped gulfs
if filled == ['s', 'se', 'sw'] or filled == ['s']:
tile = GROUND.SAND_NORTH
elif filled == ['e', 'ne', 'se'] or filled == ['e']:
tile = GROUND.SAND_WEST
elif filled == ['n', 'ne', 'nw'] or filled == ['n']:
tile = GROUND.SAND_SOUTH
elif filled == ['nw', 'sw', 'w'] or filled == ['w']:
tile = GROUND.SAND_EAST
# slight turn (looks best with straight coast)
elif filled == ['e', 'se'] or filled == ['e', 'ne']:
tile = GROUND.SAND_WEST
elif filled == ['n', 'ne'] or filled == ['n', 'nw']:
tile = GROUND.SAND_SOUTH
elif filled == ['nw', 'w'] or filled == ['sw', 'w']:
tile = GROUND.SAND_EAST
elif filled == ['s', 'sw'] or filled == ['s', 'se']:
tile = GROUND.SAND_NORTH
# sandy corner
elif filled == ['se']:
tile = GROUND.SAND_NORTHWEST1
elif filled == ['ne']:
tile = GROUND.SAND_SOUTHWEST1
elif filled == ['nw']:
tile = GROUND.SAND_SOUTHEAST1
elif filled == ['sw']:
tile = GROUND.SAND_NORTHEAST1
# grassy corner
elif 3 <= len(filled) <= 5:
coast_set = set(filled)
if 'e' in coast_set and 'se' in coast_set and 's' in coast_set:
tile = GROUND.SAND_NORTHEAST3
elif 's' in coast_set and 'sw' in coast_set and 'w' in coast_set:
tile = GROUND.SAND_NORTHWEST3
elif 'w' in coast_set and 'nw' in coast_set and 'n' in coast_set:
tile = GROUND.SAND_SOUTHWEST3
elif 'n' in coast_set and 'ne' in coast_set and 'e' in coast_set:
tile = GROUND.SAND_SOUTHEAST3
assert tile
map_db("INSERT INTO ground VALUES(?, ?, ?, ?, ?)", x, y, *tile)
map_set = map_set.union(outline)
# add sand to shallow water tiles
fill_tiny_spaces(GROUND.SAND)
outline = get_island_outline()
for x, y in outline:
filled = []
for dir in sorted(all_moves):
coords = (x + all_moves[dir][1], y + all_moves[dir][0])
if coords in map_set:
filled.append(dir)
tile = None
# straight coast or 1 tile U-shaped gulfs
if filled == ['s', 'se', 'sw'] or filled == ['s']:
tile = GROUND.COAST_NORTH
elif filled == ['e', 'ne', 'se'] or filled == ['e']:
tile = GROUND.COAST_WEST
elif filled == ['n', 'ne', 'nw'] or filled == ['n']:
tile = GROUND.COAST_SOUTH
elif filled == ['nw', 'sw', 'w'] or filled == ['w']:
tile = GROUND.COAST_EAST
# slight turn (looks best with straight coast)
elif filled == ['e', 'se'] or filled == ['e', 'ne']:
tile = GROUND.COAST_WEST
elif filled == ['n', 'ne'] or filled == ['n', 'nw']:
tile = GROUND.COAST_SOUTH
elif filled == ['nw', 'w'] or filled == ['sw', 'w']:
tile = GROUND.COAST_EAST
elif filled == ['s', 'sw'] or filled == ['s', 'se']:
tile = GROUND.COAST_NORTH
# mostly wet corner
elif filled == ['se']:
tile = GROUND.COAST_NORTHWEST1
elif filled == ['ne']:
tile = GROUND.COAST_SOUTHWEST1
elif filled == ['nw']:
tile = GROUND.COAST_SOUTHEAST1
elif filled == ['sw']:
tile = GROUND.COAST_NORTHEAST1
# mostly dry corner
elif 3 <= len(filled) <= 5:
coast_set = set(filled)
if 'e' in coast_set and 'se' in coast_set and 's' in coast_set:
tile = GROUND.COAST_NORTHEAST3
elif 's' in coast_set and 'sw' in coast_set and 'w' in coast_set:
tile = GROUND.COAST_NORTHWEST3
elif 'w' in coast_set and 'nw' in coast_set and 'n' in coast_set:
tile = GROUND.COAST_SOUTHWEST3
elif 'n' in coast_set and 'ne' in coast_set and 'e' in coast_set:
tile = GROUND.COAST_SOUTHEAST3
assert tile
map_db("INSERT INTO ground VALUES(?, ?, ?, ?, ?)", x, y, *tile)
map_set = map_set.union(outline)
# add shallow water to deep water tiles
fill_tiny_spaces(GROUND.SHALLOW_WATER)
outline = get_island_outline()
for x, y in outline:
filled = []
for dir in sorted(all_moves):
coords = (x + all_moves[dir][1], y + all_moves[dir][0])
if coords in map_set:
filled.append(dir)
tile = None
# straight coast or 1 tile U-shaped gulfs
if filled == ['s', 'se', 'sw'] or filled == ['s']:
tile = GROUND.DEEP_WATER_NORTH
elif filled == ['e', 'ne', 'se'] or filled == ['e']:
tile = GROUND.DEEP_WATER_WEST
elif filled == ['n', 'ne', 'nw'] or filled == ['n']:
tile = GROUND.DEEP_WATER_SOUTH
elif filled == ['nw', 'sw', 'w'] or filled == ['w']:
tile = GROUND.DEEP_WATER_EAST
# slight turn (looks best with straight coast)
elif filled == ['e', 'se'] or filled == ['e', 'ne']:
tile = GROUND.DEEP_WATER_WEST
elif filled == ['n', 'ne'] or filled == ['n', 'nw']:
tile = GROUND.DEEP_WATER_SOUTH
elif filled == ['nw', 'w'] or filled == ['sw', 'w']:
tile = GROUND.DEEP_WATER_EAST
elif filled == ['s', 'sw'] or filled == ['s', 'se']:
tile = GROUND.DEEP_WATER_NORTH
# mostly deep corner
elif filled == ['se']:
tile = GROUND.DEEP_WATER_NORTHWEST1
elif filled == ['ne']:
tile = GROUND.DEEP_WATER_SOUTHWEST1
elif filled == ['nw']:
tile = GROUND.DEEP_WATER_SOUTHEAST1
elif filled == ['sw']:
tile = GROUND.DEEP_WATER_NORTHEAST1
# mostly shallow corner
elif 3 <= len(filled) <= 5:
coast_set = set(filled)
if 'e' in coast_set and 'se' in coast_set and 's' in coast_set:
tile = GROUND.DEEP_WATER_NORTHEAST3
elif 's' in coast_set and 'sw' in coast_set and 'w' in coast_set:
tile = GROUND.DEEP_WATER_NORTHWEST3
elif 'w' in coast_set and 'nw' in coast_set and 'n' in coast_set:
tile = GROUND.DEEP_WATER_SOUTHWEST3
elif 'n' in coast_set and 'ne' in coast_set and 'e' in coast_set:
tile = GROUND.DEEP_WATER_SOUTHEAST3
assert tile
map_db("INSERT INTO ground VALUES(?, ?, ?, ?, ?)", x, y, *tile)
map_db("COMMIT")
return map_db
def create_random_island(id_string):
"""Creates a random island as sqlite db.
It is rather primitive; it places shapes on the dict.
The coordinates of tiles will be 0 <= x < width and 0 <= y < height
@param id_string: random island id string
@return: sqlite db reader containing island
"""
# NOTE: the tilesystem will be redone soon, so constants indicating grounds are temporary
# here and will have to be changed anyways.
match_obj = re.match(_random_island_id_regexp, id_string)
assert match_obj
creation_method, width, height, seed = [
long(i) for i in match_obj.groups()
]
rand = random.Random(seed)
map_set = set()
# creation_method 0 - standard small island for the 3x3 grid
# creation_method 1 - large island
# creation_method 2 - a number of randomly sized and placed islands
# place this number of shapes
for i in xrange(15 + width * height / 45):
# place shape determined by shape_id on (x, y)
add = True
rect_chance = 6
if creation_method == 0:
shape_id = rand.randint(3, 5)
elif creation_method == 1:
shape_id = rand.randint(5, 8)
elif creation_method == 2:
shape_id = rand.randint(2, 8)
rect_chance = 29
if rand.randint(0, 4) == 0:
rect_chance = 13
add = False
shape = None
if rand.randint(1, rect_chance) == 1:
# use a rect
if add:
x = rand.randint(8, width - 7)
y = rand.randint(8, height - 7)
if creation_method == 0:
shape = Rect.init_from_topleft_and_size(x - 3, y - 3, 5, 5)
elif creation_method == 1:
shape = Rect.init_from_topleft_and_size(x - 5, y - 5, 8, 8)
elif creation_method == 2:
shape = Rect.init_from_topleft_and_size(
x - 5, y - 5, rand.randint(2, 8), rand.randint(2, 8))
else:
x = rand.randint(0, width)
y = rand.randint(0, height)
shape = Rect.init_from_topleft_and_size(
x - 5, y - 5, rand.randint(2, 8), rand.randint(2, 8))
else:
# use a circle, where radius is determined by shape_id
radius = shape_id
if not add and rand.randint(0, 6) < 5:
x = rand.randint(-radius * 3 / 2, width + radius * 3 / 2)
y = rand.randint(-radius * 3 / 2, height + radius * 3 / 2)
shape = Circle(Point(x, y), shape_id)
elif width - radius - 4 >= radius + 3 and height - radius - 4 >= radius + 3:
x = rand.randint(radius + 3, width - radius - 4)
y = rand.randint(radius + 3, height - radius - 4)
shape = Circle(Point(x, y), shape_id)
if shape:
for shape_coord in shape.tuple_iter():
if add:
map_set.add(shape_coord)
elif shape_coord in map_set:
map_set.discard(shape_coord)
# write values to db
map_db = DbReader(":memory:")
map_db(
"CREATE TABLE ground(x INTEGER NOT NULL, y INTEGER NOT NULL, ground_id INTEGER NOT NULL)"
)
map_db(
"CREATE TABLE island_properties(name TEXT PRIMARY KEY NOT NULL, value TEXT NOT NULL)"
)
map_db("BEGIN TRANSACTION")
# add grass tiles
for x, y in map_set:
map_db("INSERT INTO ground VALUES(?, ?, ?)", x, y, GROUND.DEFAULT_LAND)
def fill_tiny_spaces(tile):
"""Fills 1 tile gulfs and straits with the specified tile
@param tile: ground tile to fill with
"""
all_neighbours = [(-1, -1), (-1, 0), (-1, 1), (0, -1), (0, 1), (1, -1),
(1, 0), (1, 1)]
neighbours = [(-1, 0), (0, -1), (0, 1), (1, 0)]
corners = [(-1, -1), (-1, 1)]
knight_moves = [(-2, -1), (-2, 1), (-1, -2), (-1, 2), (1, -2), (1, 2),
(2, -1), (2, 1)]
bad_configs = set([
0, 1 << 0, 1 << 1, 1 << 2, 1 << 3, (1 << 0) | (1 << 3),
(1 << 1) | (1 << 2)
])
edge_set = copy.copy(map_set)
reduce_edge_set = True
while True:
to_fill = set()
to_ignore = set()
for x, y in edge_set:
# ignore the tiles with no empty neighbours
if reduce_edge_set:
is_edge = False
for x_offset, y_offset in all_neighbours:
if (x + x_offset, y + y_offset) not in map_set:
is_edge = True
break
if not is_edge:
to_ignore.add((x, y))
continue
for x_offset, y_offset in neighbours:
x2 = x + x_offset
y2 = y + y_offset
if (x2, y2) in map_set:
continue
# (x2, y2) is now a point just off the island
neighbours_dirs = 0
for i in xrange(len(neighbours)):
x3 = x2 + neighbours[i][0]
y3 = y2 + neighbours[i][1]
if (x3, y3) not in map_set:
neighbours_dirs |= (1 << i)
if neighbours_dirs in bad_configs:
# part of a straight 1 tile gulf
to_fill.add((x2, y2))
else:
for x_offset, y_offset in corners:
x3 = x2 + x_offset
y3 = y2 + y_offset
x4 = x2 - x_offset
y4 = y2 - y_offset
if (x3, y3) in map_set and (x4, y4) in map_set:
# part of a diagonal 1 tile gulf
to_fill.add((x2, y2))
break
# block 1 tile straits
for x_offset, y_offset in knight_moves:
x2 = x + x_offset
y2 = y + y_offset
if (x2, y2) not in map_set:
continue
if abs(x_offset) == 1:
y2 = y + y_offset / 2
if (x2, y2) in map_set or (x, y2) in map_set:
continue
else:
x2 = x + x_offset / 2
if (x2, y2) in map_set or (x2, y) in map_set:
continue
to_fill.add((x2, y2))
# block diagonal 1 tile straits
for x_offset, y_offset in corners:
x2 = x + x_offset
y2 = y + y_offset
x3 = x + 2 * x_offset
y3 = y + 2 * y_offset
if (x2, y2) not in map_set and (x3, y3) in map_set:
to_fill.add((x2, y2))
elif (x2, y2) in map_set and (x2, y) not in map_set and (
x, y2) not in map_set:
to_fill.add((x2, y))
if to_fill:
for x, y in to_fill:
map_set.add((x, y))
map_db("INSERT INTO ground VALUES(?, ?, ?)", x, y, tile)
old_size = len(edge_set)
edge_set = edge_set.difference(to_ignore).union(to_fill)
reduce_edge_set = old_size - len(edge_set) > 50
else:
break
# possible movement directions
all_moves = {
'sw': (-1, -1),
'w': (-1, 0),
'nw': (-1, 1),
's': (0, -1),
'n': (0, 1),
'se': (1, -1),
'e': (1, 0),
'ne': (1, 1)
}
def get_island_outline():
"""
@return: the points just off the island as a dict
"""
result = set()
for x, y in map_set:
for offset_x, offset_y in all_moves.itervalues():
coords = (x + offset_x, y + offset_y)
if coords not in map_set:
result.add(coords)
return result
# add grass to sand tiles
fill_tiny_spaces(GROUND.DEFAULT_LAND)
outline = get_island_outline()
for x, y in outline:
filled = []
for dir in sorted(all_moves):
coords = (x + all_moves[dir][1], y + all_moves[dir][0])
if coords in map_set:
filled.append(dir)
tile = None
# straight coast or 1 tile U-shaped gulfs
if filled == ['s', 'se', 'sw'] or filled == ['s']:
tile = GROUND.SAND_NORTH
elif filled == ['e', 'ne', 'se'] or filled == ['e']:
tile = GROUND.SAND_WEST
elif filled == ['n', 'ne', 'nw'] or filled == ['n']:
tile = GROUND.SAND_SOUTH
elif filled == ['nw', 'sw', 'w'] or filled == ['w']:
tile = GROUND.SAND_EAST
# slight turn (looks best with straight coast)
elif filled == ['e', 'se'] or filled == ['e', 'ne']:
tile = GROUND.SAND_WEST
elif filled == ['n', 'ne'] or filled == ['n', 'nw']:
tile = GROUND.SAND_SOUTH
elif filled == ['nw', 'w'] or filled == ['sw', 'w']:
tile = GROUND.SAND_EAST
elif filled == ['s', 'sw'] or filled == ['s', 'se']:
tile = GROUND.SAND_NORTH
# sandy corner
elif filled == ['se']:
tile = GROUND.SAND_NORTHWEST1
elif filled == ['ne']:
tile = GROUND.SAND_SOUTHWEST1
elif filled == ['nw']:
tile = GROUND.SAND_SOUTHEAST1
elif filled == ['sw']:
tile = GROUND.SAND_NORTHEAST1
# grassy corner
elif 3 <= len(filled) <= 5:
coast_set = set(filled)
if 'e' in coast_set and 'se' in coast_set and 's' in coast_set:
tile = GROUND.SAND_NORTHEAST3
elif 's' in coast_set and 'sw' in coast_set and 'w' in coast_set:
tile = GROUND.SAND_NORTHWEST3
elif 'w' in coast_set and 'nw' in coast_set and 'n' in coast_set:
tile = GROUND.SAND_SOUTHWEST3
elif 'n' in coast_set and 'ne' in coast_set and 'e' in coast_set:
tile = GROUND.SAND_SOUTHEAST3
assert tile
map_db("INSERT INTO ground VALUES(?, ?, ?)", x, y, tile)
map_set = map_set.union(outline)
# add sand to shallow water tiles
fill_tiny_spaces(GROUND.SAND)
outline = get_island_outline()
for x, y in outline:
filled = []
for dir in sorted(all_moves):
coords = (x + all_moves[dir][1], y + all_moves[dir][0])
if coords in map_set:
filled.append(dir)
tile = None
# straight coast or 1 tile U-shaped gulfs
if filled == ['s', 'se', 'sw'] or filled == ['s']:
tile = GROUND.COAST_NORTH
elif filled == ['e', 'ne', 'se'] or filled == ['e']:
tile = GROUND.COAST_WEST
elif filled == ['n', 'ne', 'nw'] or filled == ['n']:
tile = GROUND.COAST_SOUTH
elif filled == ['nw', 'sw', 'w'] or filled == ['w']:
tile = GROUND.COAST_EAST
# slight turn (looks best with straight coast)
elif filled == ['e', 'se'] or filled == ['e', 'ne']:
tile = GROUND.COAST_WEST
elif filled == ['n', 'ne'] or filled == ['n', 'nw']:
tile = GROUND.COAST_SOUTH
elif filled == ['nw', 'w'] or filled == ['sw', 'w']:
tile = GROUND.COAST_EAST
elif filled == ['s', 'sw'] or filled == ['s', 'se']:
tile = GROUND.COAST_NORTH
# mostly wet corner
elif filled == ['se']:
tile = GROUND.COAST_NORTHWEST1
elif filled == ['ne']:
tile = GROUND.COAST_SOUTHWEST1
elif filled == ['nw']:
tile = GROUND.COAST_SOUTHEAST1
elif filled == ['sw']:
tile = GROUND.COAST_NORTHEAST1
# mostly dry corner
elif 3 <= len(filled) <= 5:
coast_set = set(filled)
if 'e' in coast_set and 'se' in coast_set and 's' in coast_set:
tile = GROUND.COAST_NORTHEAST3
elif 's' in coast_set and 'sw' in coast_set and 'w' in coast_set:
tile = GROUND.COAST_NORTHWEST3
elif 'w' in coast_set and 'nw' in coast_set and 'n' in coast_set:
tile = GROUND.COAST_SOUTHWEST3
elif 'n' in coast_set and 'ne' in coast_set and 'e' in coast_set:
tile = GROUND.COAST_SOUTHEAST3
assert tile
map_db("INSERT INTO ground VALUES(?, ?, ?)", x, y, tile)
map_set = map_set.union(outline)
# add shallow water to deep water tiles
fill_tiny_spaces(GROUND.SHALLOW_WATER)
outline = get_island_outline()
for x, y in outline:
filled = []
for dir in sorted(all_moves):
coords = (x + all_moves[dir][1], y + all_moves[dir][0])
if coords in map_set:
filled.append(dir)
tile = None
# straight coast or 1 tile U-shaped gulfs
if filled == ['s', 'se', 'sw'] or filled == ['s']:
tile = GROUND.DEEP_WATER_NORTH
elif filled == ['e', 'ne', 'se'] or filled == ['e']:
tile = GROUND.DEEP_WATER_WEST
elif filled == ['n', 'ne', 'nw'] or filled == ['n']:
tile = GROUND.DEEP_WATER_SOUTH
elif filled == ['nw', 'sw', 'w'] or filled == ['w']:
tile = GROUND.DEEP_WATER_EAST
# slight turn (looks best with straight coast)
elif filled == ['e', 'se'] or filled == ['e', 'ne']:
tile = GROUND.DEEP_WATER_WEST
elif filled == ['n', 'ne'] or filled == ['n', 'nw']:
tile = GROUND.DEEP_WATER_SOUTH
elif filled == ['nw', 'w'] or filled == ['sw', 'w']:
tile = GROUND.DEEP_WATER_EAST
elif filled == ['s', 'sw'] or filled == ['s', 'se']:
tile = GROUND.DEEP_WATER_NORTH
# mostly deep corner
elif filled == ['se']:
tile = GROUND.DEEP_WATER_NORTHWEST1
elif filled == ['ne']:
tile = GROUND.DEEP_WATER_SOUTHWEST1
elif filled == ['nw']:
tile = GROUND.DEEP_WATER_SOUTHEAST1
elif filled == ['sw']:
tile = GROUND.DEEP_WATER_NORTHEAST1
# mostly shallow corner
elif 3 <= len(filled) <= 5:
coast_set = set(filled)
if 'e' in coast_set and 'se' in coast_set and 's' in coast_set:
tile = GROUND.DEEP_WATER_NORTHEAST3
elif 's' in coast_set and 'sw' in coast_set and 'w' in coast_set:
tile = GROUND.DEEP_WATER_NORTHWEST3
elif 'w' in coast_set and 'nw' in coast_set and 'n' in coast_set:
tile = GROUND.DEEP_WATER_SOUTHWEST3
elif 'n' in coast_set and 'ne' in coast_set and 'e' in coast_set:
tile = GROUND.DEEP_WATER_SOUTHEAST3
assert tile
map_db("INSERT INTO ground VALUES(?, ?, ?)", x, y, tile)
map_db("COMMIT")
return map_db