-from naja.gameboard import LocationAction
+from naja.constants import BITS
+
+
+class LocationAction(object):
+ """
+ An action that may be performed on a location.
+ """
+
+ TEXT = None
+
+ def __init__(self, required_bits, **data):
+ self.required_bits = frozenset(required_bits)
+ self.data = data
+
+ def check_available(self, player):
+ return player.bits.check_bits(self.required_bits)
+
+ def perform_action(self, board, location):
+ 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
+
+ def export(self):
+ raise NotImplementedError("TODO")
class DoNothing(LocationAction):
TEXT = "No effect."
- def perform_action(self, player, board):
+ def perform_action(self, board, location):
pass
+ def export(self):
+ return {'required_bits': list(self.required_bits),
+ 'action_class': 'DoNothing'}
-class LoseHeathOrMSB(LocationAction):
+
+class LoseHealthOrMSB(LocationAction):
TEXT = "Lose health. If MSB is set, it will be cleared instead."
- def perform_action(self, player, board):
- if not self.check_and_clear_MSB(player):
+ def perform_action(self, board, location):
+ if not self.check_and_clear_MSB(board.player):
board.lose_health()
+
+
+class SetBits(LocationAction):
+ TEXT = "Set bits specified by this location."
+
+ def perform_action(self, board, location):
+ board.player.bits.set_bits(location.bitwise_operand)
+
+
+class ToggleBits(LocationAction):
+ TEXT = "Toggle bits specified by this location."
+
+ def perform_action(self, board, location):
+ board.player.bits.toggle_bits(location.bitwise_operand)