Hack in multi-modal behaviour
[naja.git] / naja / gameboard.py
index 5cbecb9bdac04663cdbface35eba1dc6b1bfaaca..33afc5de33c824d3f103ace4918dfd8da0a73b8e 100644 (file)
@@ -1,6 +1,10 @@
 from random import choice
 
-from naja.constants import BITS, DIRECTION_BITS, CONDITION_BITS
+from naja.constants import(
+    BITS, DIRECTION_BITS, CONDITION_BITS, PLAYER_DEFAULTS,
+    MOVE, ACT)
+from naja.player import Player
+from naja import actions
 
 
 class GameBoard(object):
@@ -8,50 +12,128 @@ class GameBoard(object):
     A representation of the game board.
     """
 
-    def __init__(self, player, health, wins, locations=None, state=None):
+    def __init__(self, state, player, board_locations):
+        self.max_health = state['max_health']
+        self.wins_required = state['wins_required']
+        self.health = state['health']
+        self.wins = state['wins']
+        self.locations = [item.copy() for item in state['locations']]
         self.player = player
-        self.max_health = health
-        self.wins_required = wins
-
-        if locations is None:
-            locations = self.generate_locations()
-        self.locations = locations
-
-        if state is None:
-            state = self.generate_state()
-        self.update_state(state)
+        self.board_locations = board_locations
+        self.player_mode = MOVE
 
     @classmethod
-    def generate_locations(cls):
-        raise NotImplementedError("TODO")
+    def new_game(cls, locations_definition,
+                 initial_bits=PLAYER_DEFAULTS.INITIAL_BITS,
+                 initial_pos=PLAYER_DEFAULTS.INITIAL_POS,
+                 max_health=PLAYER_DEFAULTS.MAX_HEALTH,
+                 wins_required=PLAYER_DEFAULTS.WINS_REQUIRED):
+        state = {
+            'max_health': max_health,
+            'health': max_health,
+            'wins_required': wins_required,
+            'wins': 0,
+            'locations': locations_definition,
+        }
+        player = Player(initial_bits, initial_pos)
+        board_locations = cls.import_board_locations(
+            cls.generate_board(locations_definition))
+        return cls(state, player, board_locations)
 
-    def generate_state(self):
+    @classmethod
+    def import_game(cls, definition):
+        state = definition.copy()
+        player = Player.import_player(state.pop('player'))
+        board_locations = cls.import_board_locations(
+            state.pop('board_locations'))
+        return cls(state, player, board_locations)
+
+    def export(self):
         return {
-            'health': self.max_health,
-            'wins': 0,
+            'max_health': self.max_health,
+            'health': self.health,
+            'wins_required': self.wins_required,
+            'wins': self.wins,
+            'locations': [item.copy() for item in self.locations],
+            'player': self.player.export(),
+            'board_locations': self.export_board_locations(),
         }
 
-    def update_state(self, state):
-        self.health = state['health']
-        self.wins = state['wins']
+    @classmethod
+    def import_locations(cls, locations_definition):
+        return [
+            LocationCard.import_location(definition)
+            for definition in locations_definition]
+
+    def export_board_locations(self):
+        return dict(
+            (position, location.export())
+            for position, location in self.board_locations.iteritems())
+
+    @classmethod
+    def import_board_locations(cls, board_locations_definition):
+        return dict(
+            (position, LocationCard.import_location(definition))
+            for position, definition in board_locations_definition.iteritems())
+
+    @classmethod
+    def generate_board(cls, locations_definition):
+        board_locations = {}
+        for x in range(5):
+            for y in range(5):
+                board_location = LocationCard.new_location(
+                    choice(locations_definition).copy())
+                board_locations[(x, y)] = board_location.export()
+        return board_locations
 
     def lose_health(self):
         self.health -= 1
         # TODO: Check win/lose
 
+    def change_mode(self):
+        """Advance to the next mode"""
+        if self.player_mode == MOVE:
+            self.player_mode = ACT
+        elif self.player_mode == ACT:
+            self.player_mode = MOVE
+        else:
+            raise RuntimeError("Illegal player mode %s" % self.player_mode)
+
 
 class LocationCard(object):
     """
     A particular set of options available on a location.
     """
 
-    def __init__(self, bitwise_operand, actions):
+    def __init__(self, bitwise_operand, location_actions):
         self.bitwise_operand = bitwise_operand
-        self.actions = actions
+        self.actions = location_actions
 
-    @staticmethod
-    def generate_location():
-        raise NotImplementedError("TODO")
+    @classmethod
+    def import_location(cls, state):
+        location_actions = [
+            cls.build_action(definition) for definition in state['actions']]
+        return cls(state['bitwise_operand'], location_actions)
+
+    @classmethod
+    def build_action(cls, definition):
+        action_class = getattr(actions, definition['action_class'])
+        required_bits = definition['required_bits']
+        data = definition.get('data', {})
+        return action_class(required_bits, **data)
+
+    @classmethod
+    def new_location(cls, definition):
+        return cls.import_location({
+            'bitwise_operand': cls.generate_bitwise_operand(),
+            'actions': definition['actions'],
+        })
+
+    def export(self):
+        return {
+            'bitwise_operand': self.bitwise_operand,
+            'actions': [action.export() for action in self.actions],
+        }
 
     @staticmethod
     def generate_bitwise_operand():
@@ -68,32 +150,3 @@ class LocationCard(object):
         if choice(range(3)) == 0:
             bits.add(choice(BITS.values()))
         return frozenset(bits)
-
-    @staticmethod
-    def generate_location_actions():
-        raise NotImplementedError("TODO")
-
-
-class LocationAction(object):
-    """
-    An action that may be performed on a location.
-    """
-
-    TEXT = None
-    REQUIRED_BITS = frozenset()
-
-    def __init__(self, **data):
-        self.data = data
-
-    def check_available(self, player):
-        return player.bits.check_bits(*self.REQUIRED_BITS)
-
-    def perform_action(self, player, board):
-        raise NotImplementedError("TODO")
-
-    def check_and_clear_MSB(self, player):
-        if player.bits.check_bit(BITS.MSB):
-            player.bits.clear_bit(BITS.MSB)
-            return True
-        else:
-            return False