-from naja.constants import BITS
+from naja.constants import BITS, CHESS_PIECES
+from naja.utils import bit_glyphs
class LocationAction(object):
USES_MSB = False
def __init__(self, required_bits, **data):
- bits = set()
- for bit in required_bits:
- # Convert names to numbers if applicable.
- bits.add(BITS.get(bit, bit))
- self.required_bits = frozenset(bits)
+ self.required_bits = required_bits
self.data = data
- def get_text(self):
- return self.TEXT % self.data
+ def get_text(self, location=None):
+ substitutions = self.data.copy()
+
+ if 'direction' in self.data:
+ substitutions['rowcol'] = {
+ 'NORTH': 'column',
+ 'SOUTH': 'column',
+ 'EAST': 'row',
+ 'WEST': 'row',
+ }[self.data['direction']]
+
+ if 'chesspiece' in self.data:
+ substitutions['chesspiece_name'] = self.data['chesspiece'].lower()
+
+ if location is None:
+ substitutions['location_bits'] = 'bits specified by this location'
+ else:
+ substitutions['location_bits'] = bit_glyphs(
+ location.bitwise_operand)
+
+ return self.TEXT % substitutions
def check_available(self, player):
return player.bits.check_bits(self.required_bits)
def perform_action(self, board, location):
- raise NotImplementedError("TODO")
+ raise NotImplementedError(
+ "%s does not implement perform_action()." % (type(self).__name__,))
def check_and_clear_MSB(self, player):
if player.bits.check_bit(BITS.MSB):
class LoseHealthOrMSB(LocationAction):
- TEXT = "Lose health or MSB."
+ TEXT = "Lose HEALTH or MSB."
USES_MSB = True
def perform_action(self, board, location):
class SetBits(LocationAction):
- TEXT = "Set bits specified by this location."
+ TEXT = "Set %(location_bits)s."
def perform_action(self, board, location):
board.player.bits.set_bits(location.bitwise_operand)
class ToggleBits(LocationAction):
- TEXT = "Toggle bits specified by this location."
+ TEXT = "Toggle %(location_bits)s."
def perform_action(self, board, location):
board.player.bits.toggle_bits(location.bitwise_operand)
class LoseHealthOrMSBAndSetBits(LocationAction):
- TEXT = "Lose health or MSB, then set bits specified by this location."
+ TEXT = "Lose HEALTH or MSB, then set %(location_bits)s."
USES_MSB = True
def perform_action(self, board, location):
class AcquireWinToken(LocationAction):
- TEXT = "Acquire a win token, then clear all key bits."
+ TEXT = "Gain WINTOKEN, then clear {RED,GREEN,BLUE}."
def perform_action(self, board, location):
board.acquire_win_token()
class GainHealthAndClearBitsOrMSB(LocationAction):
- TEXT = "Gain health, then clear bits specified by this location or MSB."
+ TEXT = "Gain HEALTH, then clear %(location_bits)s or MSB."
USES_MSB = True
def perform_action(self, board, location):
class ShiftLocations(LocationAction):
- TEXT = "Shift board locations %(direction)s."
+ TEXT = "Shift current %(rowcol)s %(direction)s."
def perform_action(self, board, location):
board.shift_locations(self.data['direction'])
+
+
+class AllowChessMove(LocationAction):
+ TEXT = "Move like a %(chesspiece_name)s for one turn."
+
+ def perform_action(self, board, location):
+ if self.data['chesspiece'] in CHESS_PIECES:
+ chesspiece = CHESS_PIECES[self.data['chesspiece']]
+ board.allow_chess_move(chesspiece)