X-Git-Url: https://git.ctpug.org.za/?a=blobdiff_plain;f=naja%2Factions.py;h=9e3e5c3a4cb0b68c974f9c42321984deab3bc488;hb=67e79ba3fbe96590efa50a73fe983c2810efdd0f;hp=333d174b75302f72e323a01b44c19a19cea38556;hpb=54b217b57e6b894e261d186319b1337fb53c0210;p=naja.git diff --git a/naja/actions.py b/naja/actions.py index 333d174..9e3e5c3 100644 --- a/naja/actions.py +++ b/naja/actions.py @@ -1,16 +1,62 @@ -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): 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)