Use more methods

challenge_coders_of_the_caribbean.py

@@ -47,11 +47,43 @@ class GameMap:
         self.my_ships = my_ships
         self.barrels = barrels
 
+        self.map = {}
+
     def reset(self):
         self.opponent_ships = []
         self.cannonballs = []
         self.mines = []
         self.barrels = []
+        self.map = {}
+
+    def add_opponent_ship(self, opponent: 'Ship'):
+        self.opponent_ships.append(opponent)
+        self._add_to_map(opponent)
+
+    def add_my_ship(self, ship: 'Ship'):
+        my_ship = self.my_ships.get(ship.id, None)
+        if my_ship:
+            my_ship.orientation = ship.orientation
+            my_ship.speed = ship.speed
+            my_ship.stock = ship.stock
+        else:
+            self.my_ships[ship.id] = ship
+        self._add_to_map(ship)
+
+    def add_mine(self, mine: 'Mine'):
+        self.mines.append(mine)
+        self._add_to_map(mine)
+
+    def add_barrel(self, barrel: 'Barrel'):
+        self.barrels.append(barrel)
+        self._add_to_map(barrel)
+
+    def add_cannonball(self, cannonball: 'Cannonball'):
+        self.cannonballs.append(cannonball)
+        self._add_to_map(cannonball)
+
+    def _add_to_map(self, entity: 'Entity'):
+        self.map[entity.coord] = entity
 
 
 class Tile:
@@ -59,6 +91,13 @@ class Tile:
         self.y = y
         self.x = x
 
+    @property
+    def coord(self):
+        return '{};{}'.format(self.x, self.y)
+
+    def __repr__(self):
+        return 'Tile(x={}, y={})'.format(self.x, self.y)
+
 
 class Entity(Tile):
     def __init__(self, game_map: GameMap, entity_id: int, x: int, y: int):
@@ -66,7 +105,7 @@ class Entity(Tile):
         self.game_map = game_map
         self.id = entity_id
 
-    def distance(self, other: 'EntityType') -> float:
+    def distance(self, other: 'Entity') -> float:
         return ((self.x - other.x) ** 2 + (self.y - other.y) ** 2) ** 0.5
 
     def nearest_barrel(self) -> Optional['Barrel']:
@@ -78,7 +117,7 @@ class Entity(Tile):
     def nearest_mine(self) -> Optional['Mine']:
         return self.nearest(self.game_map.mines)
 
-    def nearest(self, entities: Sequence['EntityType']) -> Optional['EntityType']:
+    def nearest(self, entities: Sequence['Entity']) -> Optional['Entity']:
         nearest = None
         best_dist = math.inf
         for entity in entities:
@@ -88,12 +127,18 @@ class Entity(Tile):
                 nearest = entity
         return nearest
 
+    def __repr__(self):
+        return 'Entity(id={}, x={}, y={})'.format(self.id, self.x, self.y)
+
 
 class Barrel(Entity):
     def __init__(self, game_map: GameMap, entity_id: int, x: int, y: int, quantity: int):
         super().__init__(game_map, entity_id, x, y)
         self.quantity = quantity
 
+    def __repr__(self):
+        return 'Barrel(id={}, x={}, y={}, quantity={})'.format(self.id, self.x, self.y, self.quantity)
+
 
 class Ship(Entity):
     def __init__(self, game_map: GameMap,
@@ -107,7 +152,7 @@ class Ship(Entity):
         self.mine_wait = DEFAULT_MINE_WAIT
         self.shoot_wait = DEFAULT_SHOOT_WAIT
         self.action = None  # type: Optional[Action]
-        self.target = None  # type: Optional[TargetType]
+        self.target = None  # type: Optional[Tile]
 
     def play_turn(self):
         if self.action is Action.MINE:
@@ -133,19 +178,26 @@ class Ship(Entity):
     def slower(self):
         self.action = Action.SLOWER
 
-    def shoot(self, target: 'EntityType'):
+    def shoot(self, target: 'Entity'):
         self.action = Action.FIRE
         self.target = target
 
-    def move(self, target: 'TargetType'):
+    def move(self, target: Tile):
         self.action = Action.MOVE
         self.target = target
 
+    def __repr__(self):
+        return ('Ship(id={}, x={}, y={}, orientation={}, speed={}, stock={}, mine={})'
+                .format(self.id, self.x, self.y, self.orientation, self.speed, self.stock, self.mine))
+
 
 class Mine(Entity):
     def __init__(self, game_map: GameMap, entity_id: int, x: int, y: int):
         super().__init__(game_map, entity_id, x, y)
 
+    def __repr__(self):
+        return 'Mine(id={}, x={}, y={})'.format(self.id, self.x, self.y)
+
 
 class Cannonball(Entity):
     def __init__(self, game_map: GameMap, entity_id: int, x: int, y: int, shooter_id: int, turns_before_impact: int):
@@ -153,9 +205,10 @@ class Cannonball(Entity):
         self.turns_before_impact = turns_before_impact
         self.shooter_id = shooter_id
 
-
+    def __repr__(self):
-EntityType = TypeVar('EntityType', Entity, Barrel, Ship, Mine, Cannonball)
+        return 'Barrel(id={}, x={}, y={}, shooter={}, before_impact={})'.format(self.id, self.x, self.y,
-TargetType = Union[EntityType, Tile]
+                                                                                self.shooter_id,
+                                                                                self.turns_before_impact)
 
 
 def main():
@@ -176,7 +229,7 @@ def main():
 
             if entity_type == BARREL:
                 rhum_quantity = int(arg_1)
-                game_map.barrels.append(Barrel(game_map, entity_id, x, y, rhum_quantity))
+                game_map.add_barrel(Barrel(game_map, entity_id, x, y, rhum_quantity))
 
             elif entity_type == SHIP:
                 orientation = int(arg_1)
@@ -185,23 +238,19 @@ def main():
                 mine = int(arg_4) == 1
                 ship = Ship(game_map, entity_id, x, y, orientation, speed, rhum_stock, mine)
                 if mine:
-                    my_ship = game_map.my_ships.get(entity_id, None)
+                    game_map.add_my_ship(ship)
-                    if my_ship:
-                        my_ship.orientation = orientation
-                        my_ship.speed = speed
-                        my_ship.stock = rhum_stock
-                    else:
-                        game_map.my_ships[entity_id] = ship
                 else:
-                    game_map.opponent_ships.append(ship)
+                    game_map.add_opponent_ship(ship)
 
             elif entity_type == MINE:
-                game_map.mines.append(Mine(game_map, entity_id, x, y))
+                game_map.add_mine(Mine(game_map, entity_id, x, y))
 
             elif entity_type == CANNONBALL:
                 shooter_id = int(arg_1)
                 turns_before_impact = int(arg_2)
-                game_map.cannonballs.append(Cannonball(game_map, entity_id, x, y, shooter_id, turns_before_impact))
+                game_map.add_cannonball(Cannonball(game_map, entity_id, x, y, shooter_id, turns_before_impact))
+
+        perr(game_map.map)
 
         # Play
         for ship in game_map.my_ships.values():