+class GenericBits(LocationAction):
+ GLYPHS = (ACTION_GLYPHS.SET_BITS, ACTION_GLYPHS.CLEAR_BITS)
+
+ def __init__(self, *args, **kw):
+ super(GenericBits, self).__init__(*args, **kw)
+ self.set_bits = parse_bits(self.data.get('set', []))
+ self.clear_bits = parse_bits(self.data.get('clear', []))
+ self.toggle_bits = parse_bits(self.data.get('toggle', []))
+
+ def perform_action(self, board, location):
+ bits = board.player.bits
+ bits.set_bits(self.set_bits)
+ bits.toggle_bits(self.toggle_bits)
+ bits.clear_bits(self.clear_bits)
+
+ def get_text(self, location=None):
+ if 'message' in self.data:
+ return super(GenericBits, self).get_text()
+ parts = []
+ for template, bits in [
+ ('Set %s.', self.set_bits), ('Clear %s.', self.clear_bits),
+ ('Toggle %s', self.toggle_bits)]:
+ if bits:
+ parts.append(template % (bit_glyphs(bits)))
+ return " ".join(parts)
+
+
+class ShiftBits(LocationAction):
+ TEXT = "Barrel-shift player bits %(shift_glyph)s %(shift)s."
+ GLYPHS = (ACTION_GLYPHS.SHIFT_LEFT,)
+
+ def perform_action(self, board, location):
+ shift = self.data['shift']
+ if self.data['direction'] == 'left':
+ board.player.bits.shift_bits_left(shift)
+ else:
+ board.player.bits.shift_bits_right(shift)
+
+