267 lines
10 KiB
Python
267 lines
10 KiB
Python
import copy
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from ShootResult import ShootResult
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from ShipDirection import ShipDirection
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from ShipMode import ShipMode
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class ShipField:
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def __init__(self):
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self.field = [' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
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' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
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' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
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' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
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' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
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' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
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' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
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' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
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' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
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' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ']
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self.ships = [4, 3, 3, 2, 2, 2, 1, 1, 1, 1]
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self.field_size = 10
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self.field_mode = ShipMode.PUT
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self.ship_size = 4
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self.ship_direction = ShipDirection.VERTICAL
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def from_json(self, obj):
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self.field = obj['field']
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self.ships = obj['ships']
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self.field_size = obj['field_size']
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self.field_mode = ShipMode.from_string(obj['field_mode'])
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self.ship_size = obj['ship_size']
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self.ship_direction = ShipDirection.from_string(obj['ship_direction'])
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def __getitem__(self, item):
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if item is None:
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return None
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if type(item) is not int and item.isnumeric():
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item = int(item)
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if type(item) is int and 0 <= item < len(self.field):
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return self.field[item]
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return None
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def action(self, row, col):
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self.clear_marker()
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if self.field_mode == ShipMode.PUT:
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if self.check_ship(row, col):
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self.get_ship(row, col)
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elif self.ship_size in self.ships and self.check_possible(row, col):
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self.set_ship(row, col)
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elif self.field_mode == ShipMode.SHOOT:
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self.shoot(row, col)
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def target(self, row, col):
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self.clear_marker()
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if self.field_mode == ShipMode.PUT:
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if self.check_possible(row, col):
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if self.ship_direction == ShipDirection.VERTICAL:
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for r in range(row, row + self.ship_size):
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if self.ship_size in self.ships:
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self.field[r * self.field_size + col] = "p"
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else:
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self.field[r * self.field_size + col] = "r"
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if self.ship_direction == ShipDirection.HORIZONTAL:
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for c in range(col, col + self.ship_size):
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if self.ship_size in self.ships:
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self.field[row * self.field_size + c] = "p"
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else:
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self.field[row * self.field_size + c] = "r"
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else:
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self.field[row * self.field_size + col] += "+"
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def clear_marker(self):
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for i in range(0, len(self.field)):
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if self.field[i] == "p" or self.field[i] == "r":
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self.field[i] = ""
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if "+" in self.field[i]:
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self.field[i] = self.field[i].replace("+", "")
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def set_ship(self, row, col):
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if row < 0 or row > self.field_size:
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return
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if col < 0 or col > self.field_size:
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return
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index = row * self.field_size + col
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if self.ship_direction == ShipDirection.VERTICAL:
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if self.field_size - row < self.ship_size:
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return
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for r in range(row, row + self.ship_size):
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index = r * self.field_size + col
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self.field[index] = "1"
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if self.ship_direction == ShipDirection.HORIZONTAL:
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if self.field_size - col < self.ship_size:
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return
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for c in range(col, col + self.ship_size):
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index = row * self.field_size + c
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self.field[index] = "1"
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if self.ship_size in self.ships:
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self.ships.remove(self.ship_size)
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def get_ship(self, row, col):
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if row < 0 or row > self.field_size:
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return
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if col < 0 or col > self.field_size:
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return
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self.field[row * self.field_size + col] = ''
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ship_size = 1
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ship_direction = ShipDirection.UNKNOWN
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# Проверим вертикаль
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for r in range(row + 1, self.field_size):
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if self.check_ship(r, col):
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ship_size += 1
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ship_direction = ShipDirection.VERTICAL
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self.field[r * self.field_size + col] = ''
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else:
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break
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for r in range(row - 1, -1, -1):
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if self.check_ship(r, col):
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ship_size += 1
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ship_direction = ShipDirection.VERTICAL
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self.field[r * self.field_size + col] = ''
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else:
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break
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if ship_direction == ShipDirection.UNKNOWN:
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# Проверим горизонталь
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for c in range(col + 1, self.field_size):
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if self.check_ship(row, c):
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ship_size += 1
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ship_direction = ShipDirection.HORIZONTAL
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self.field[row * self.field_size + c] = ''
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else:
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break
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for c in range(col - 1, -1, -1):
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if self.check_ship(row, c):
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ship_size += 1
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ship_direction = ShipDirection.HORIZONTAL
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self.field[row * self.field_size + c] = ''
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else:
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break
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self.set_ship_direction(ship_direction)
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self.set_ship_size(self.ship_size)
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self.ships.append(self.ship_size)
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def shoot(self, row, col):
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if row < 0 or row > self.field_size - 1:
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return ShootResult.UNDEFINED
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if col < 0 or col > self.field_size - 1:
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return ShootResult.UNDEFINED
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index = row * self.field_size + col
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if (self.field[index]).strip() == "":
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self.field[index] = "0"
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return ShootResult.EMPTY
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elif (self.field[index]).strip() == "1":
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self.field[index] = "\\"
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return ShootResult.DAMAGED
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else:
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return ShootResult.UNDEFINED
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def check_ship(self, row, col):
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# Функция должна возвращать True, если в заданной клетке есть корабль,
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# в противном случае - False
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return self.field[row * self.field_size + col].strip() == '1'
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def check_possible(self, row, col):
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# Функция должна возвращать True, если можно поставить сюда корабль,
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# в противном случае - False
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if self.ship_direction == ShipDirection.VERTICAL:
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# Здесь мы знаем, что корабль помещается на поле.
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if self.field_size - row >= self.ship_size:
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# Теперь нужно проверить, не заблокировано ли какое-то из полей,
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for r in range(row, row + self.ship_size):
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if not self.check_blocked(r, col):
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return False
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return True
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if self.ship_direction == ShipDirection.HORIZONTAL:
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if self.field_size - col >= self.ship_size:
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for c in range(col, col + self.ship_size):
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if not self.check_blocked(row, c):
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return False
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return True
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return False
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def check_blocked(self, row, col):
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# Функция возвращает True, если все клетки вокруг клетки с координатами row, col
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# либо находятся за пределами поля, либо в них нет корабля/они пустые
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for r in range(row - 1, row + 2):
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for c in range(col - 1, col + 2):
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if 0 <= r < self.field_size and 0 <= c < self.field_size:
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cell = (self.field[r * self.field_size + c]).strip()
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if cell != '' and cell != 'p':
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return False
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return True
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def set_ship_size(self, value):
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if value is None:
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return
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if type(value) is str and value.isnumeric():
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value = int(value)
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if type(value) is int and 1 <= value <= 4:
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self.ship_size = value
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def set_ship_direction(self, value):
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if value is None:
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return
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if type(value) is not ShipDirection:
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return
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if value != ShipDirection.UNKNOWN:
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self.ship_direction = value
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def toggle_ship_direction(self):
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if self.ship_direction == ShipDirection.VERTICAL:
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self.ship_direction = ShipDirection.HORIZONTAL
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else:
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self.ship_direction = ShipDirection.VERTICAL
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def toggle_field_mode(self):
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if self.field_mode == ShipMode.PUT:
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self.field_mode = ShipMode.SHOOT
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else:
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self.field_mode = ShipMode.PUT
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def print_field(self):
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print(self.ships)
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for r in range(0, self.field_size):
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blocked_string = ""
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ship_string = ""
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for c in range(0, self.field_size):
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blocked_string += str(self.check_blocked(r, c))[0] + ", "
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ship_string += self.field[r * self.field_size + c] + ', '
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print(ship_string[:-2])
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# print(blocked_string[:-2] + ' ' + ship_string[:-2])
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print("********************************************************************")
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@staticmethod
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def convert_to_json(obj):
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if isinstance(obj, ShipField):
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result = copy.copy(obj.__dict__)
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result['field_mode'] = obj.field_mode.value
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result['ship_direction'] = obj.ship_direction.value
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return result
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