commit 9812452e1f4d285f3a86f8589de1e05cf052ae90
Author: Tim McCarthy <thoomfish@gmail.com>
Date:   Mon Apr 25 11:09:51 2022 -0700

    [WIP]

diff --git a/battleship.py b/battleship.py
new file mode 100644
index 0000000..2a8285b
--- /dev/null
+++ b/battleship.py
@@ -0,0 +1,121 @@
+#!/usr/bin/env python3
+from __future__ import annotations
+
+from os import system
+from typing import Tuple, List, Set, Optional
+from enum import Enum, auto
+
+
+class ShipOrientation(Enum):
+    RIGHT = auto()
+    DOWN = auto()
+
+
+class ShipType(Enum):
+    PATROL_BOAT = (2, "P")
+    DESTROYER = (3, "D")
+    SUBMARINE = (3, "S")
+    BATTLESHIP = (4, "B")
+    CARRIER = (5, "C")
+
+    @property
+    def size(self) -> int:
+        return self.value[0]
+
+    @property
+    def symbol(self) -> str:
+        return self.value[1]
+
+
+
+class Ship:
+    x: int
+    y: int
+    ship_type: ShipType
+    orientation: ShipOrientation
+
+    def __init__(self, x: int, y: int, ship_type: ShipType, orientation: ShipOrientation):
+        self.x = x
+        self.y = y
+        self.ship_type = ship_type
+        self.orientation = orientation
+
+        if self.orientation == ShipOrientation.RIGHT:
+            self.squares = {(x_i, self.y) for x_i in range(self.x, self.x+self.ship_type.size)}
+        else:
+            self.squares = {(self.x, y_i) for y_i in range(self.y, self.y+self.ship_type.size)}
+
+
+    def sunk(self, guesses: Set[Tuple[int, int]]) -> bool:
+        return self.squares.issubset(guesses)
+
+    def hit(self, guess) -> bool:
+        return guess in self.squares
+
+
+
+class Player:
+    def __init__(self, name: str, board_shape: Tuple[int, int]):
+        self.name = name
+        self.board_shape = board_shape
+        self.guesses = set()
+        self.ships: List[Ship] = []
+
+    def place_ships(self):
+        pass
+
+    def symbol_at(self, position: Tuple[int, int]) -> str:
+        pass
+
+    def guess(self, opponent: Player) -> Tuple[int, int]:
+        pass
+
+    def defeated(self, guesses: Set[Tuple[int, int]]):
+        return all(ship.sunk(guesses) for ship in self.ships)
+
+    def hit(self, position: Tuple[int, int]) -> Optional[Ship]:
+        for ship in self.ships:
+            if ship.hit(position):
+                return ship
+        return None
+
+
+
+class HumanPlayer(Player):
+    pass
+
+
+
+class AIPlayer(Player):
+    pass
+
+
+def grid_input(prompt: str, board_shape: Tuple[int, int]) -> Tuple[int, int]:
+    pass
+
+
+def format_board(viewer: Player, opponent: Player) -> str:
+    pass
+
+
+def play_turn(player: Player, opponent: Player):
+    print(format_board(player, opponent))
+    player.guesses.add(player.guess(opponent))
+window    if isinstance(player, HumanPlayer) and isinstance(opponent, HumanPlayer):
+        system("clear")
+
+
+def play_battleship(player_1: Player, player_2: Player):
+    player_1.place_ships()
+    player_2.place_ships()
+
+    while not (player_1.defeated(player_2.guesses) or player_2.defeated(player_1.guesses)):
+        play_turn(player_1, player_2)
+        play_turn(player_2, player_1)
+
+    if player_1.defeated(player_2.guesses) and player_2.defeated(player_1.guesses):
+        print("It's a draw!")
+    elif player_1.defeated(player_2.guesses):
+        print(f"{player_2.name} wins!")
+    else:
+        print(f"{player_1.name} wins!")