naja/actions.py

   1 from naja.constants import ACTION_GLYPHS, BITS, CHESS_PIECES
   2 from naja.sound import sound
   3 from naja.utils import bit_glyphs, move_glyph, parse_bits
   4
   5
   6 class LocationAction(object):
   7     """
   8     An action that may be performed on a location.
   9     """
  10
  11     TEXT = None
  12     GLYPHS = tuple()
  13     MSB_GLYPH = None
  14
  15     def __init__(self, required_bits, **data):
  16         self.required_bits = required_bits
  17         self.data = data
  18
  19     def get_glyphs(self):
  20         return self.GLYPHS
  21
  22     def get_msb_glyph(self):
  23         return self.MSB_GLYPH
  24
  25     def get_text(self, location=None):
  26         substitutions = self.data.copy()
  27
  28         if 'shift' in self.data:
  29             substitutions['shift'] = self.data['shift']
  30             substitutions['shift_glyph'] = ('{SHIFT_%s}'
  31                                             % self.data['direction'].upper())
  32         elif 'direction' in self.data:
  33             substitutions['rowcol'] = {
  34                 'NORTH': 'column',
  35                 'SOUTH': 'column',
  36                 'EAST': 'row',
  37                 'WEST': 'row',
  38             }[self.data['direction']]
  39             substitutions['direction'] = '{%s}' % (substitutions['direction'],)
  40
  41         if 'chesspiece' in self.data:
  42             substitutions['chesspiece_name'] = move_glyph(
  43                 self.data['chesspiece'])
  44
  45         if 'rot_direction' in self.data:
  46             substitutions['rot_direction_name'] = '{%s}' % (
  47                 substitutions['rot_direction'],)
  48
  49         if location is None:
  50             substitutions['location_bits'] = 'bits specified by this tile'
  51         else:
  52             substitutions['location_bits'] = bit_glyphs(
  53                 location.bitwise_operand)
  54
  55         text = self.TEXT
  56         if self.data.get('message', None) is not None:
  57             text = self.data['message']
  58
  59         return text % substitutions
  60
  61     def check_available(self, player):
  62         return player.bits.check_bits(self.required_bits)
  63
  64     def perform_action(self, board, location):
  65         raise NotImplementedError(
  66             "%s does not implement perform_action()." % (type(self).__name__,))
  67
  68     def check_and_clear_MSB(self, player):
  69         if player.bits.check_bit(BITS.MSB):
  70             player.bits.clear_bit(BITS.MSB)
  71             return True
  72         else:
  73             return False
  74
  75     def export(self):
  76         return {'required_bits': list(self.required_bits),
  77                 'data': self.data,
  78                 'action_class': self.__class__.__name__}
  79
  80     def take_damage(self, board):
  81         sound.play_sound('awwww.ogg')
  82         board.lose_health()
  83
  84
  85 class DoNothing(LocationAction):
  86     TEXT = "No effect."
  87     GLYPHS = (ACTION_GLYPHS.NOTHING,)
  88
  89     def perform_action(self, board, location):
  90         pass
  91
  92
  93 class LoseHealthOrMSB(LocationAction):
  94     TEXT = "Lose {HEALTH} or {MSB}."
  95     MSB_GLYPH = ACTION_GLYPHS.DAMAGE
  96
  97     def perform_action(self, board, location):
  98         if not self.check_and_clear_MSB(board.player):
  99             self.take_damage(board)
 100
 101
 102 class SetBits(LocationAction):
 103     TEXT = "Set %(location_bits)s."
 104     GLYPHS = (ACTION_GLYPHS.SET_BITS,)
 105
 106     def perform_action(self, board, location):
 107         board.player.bits.set_bits(location.bitwise_operand)
 108
 109
 110 class ClearBits(LocationAction):
 111     TEXT = "Clear %(location_bits)s."
 112     GLYPHS = (ACTION_GLYPHS.CLEAR_BITS,)
 113
 114     def perform_action(self, board, location):
 115         board.player.bits.clear_bits(location.bitwise_operand)
 116
 117
 118 class ClearBitsAndHealth(LocationAction):
 119     TEXT = "Clear %(location_bits)s and {HEALTH}."
 120     GLYPHS = (ACTION_GLYPHS.CLEAR_BITS, ACTION_GLYPHS.DAMAGE)
 121
 122     def perform_action(self, board, location):
 123         board.player.bits.clear_bits(location.bitwise_operand)
 124         self.take_damage(board)
 125
 126
 127 class ToggleBits(LocationAction):
 128     TEXT = "Toggle %(location_bits)s."
 129     GLYPHS = (ACTION_GLYPHS.TOGGLE_BITS,)
 130
 131     def perform_action(self, board, location):
 132         board.player.bits.toggle_bits(location.bitwise_operand)
 133
 134
 135 class ToggleBitsAndHarm(LocationAction):
 136     TEXT = "Toggle %(location_bits)s and lose {HEALTH}."
 137     GLYPHS = (ACTION_GLYPHS.TOGGLE_BITS, ACTION_GLYPHS.DAMAGE)
 138
 139     def perform_action(self, board, location):
 140         board.player.bits.toggle_bits(location.bitwise_operand)
 141         self.take_damage(board)
 142
 143
 144 class GenericBits(LocationAction):
 145     GLYPHS = (ACTION_GLYPHS.SET_BITS, ACTION_GLYPHS.CLEAR_BITS)
 146
 147     def __init__(self, *args, **kw):
 148         super(GenericBits, self).__init__(*args, **kw)
 149         self.set_bits = parse_bits(self.data.get('set', []))
 150         self.clear_bits = parse_bits(self.data.get('clear', []))
 151         self.toggle_bits = parse_bits(self.data.get('toggle', []))
 152         self.once = self.data.get('once', False)
 153         self.acquire_win = self.data.get('acquire_win', False)
 154         self.lose_health = self.data.get('lose_health', False)
 155
 156     def perform_action(self, board, location):
 157         bits = board.player.bits
 158         bits.set_bits(self.set_bits)
 159         bits.toggle_bits(self.toggle_bits)
 160         bits.clear_bits(self.clear_bits)
 161         if self.acquire_win:
 162             sound.play_sound('yipee.ogg')
 163             board.acquire_win_token()
 164         if self.lose_health:
 165             sound.play_sound('awwww.ogg')
 166             board.lose_health()
 167         if self.once:
 168             location.actions.remove(self)
 169
 170     def get_glyphs(self):
 171         glyphs = []
 172         if self.acquire_win:
 173             glyphs.append(ACTION_GLYPHS.WINTOKEN)
 174         if self.lose_health:
 175             glyphs.append(ACTION_GLYPHS.DAMAGE)
 176         if self.set_bits:
 177             glyphs.append(ACTION_GLYPHS.SET_BITS)
 178         if self.clear_bits:
 179             glyphs.append(ACTION_GLYPHS.CLEAR_BITS)
 180         if self.toggle_bits:
 181             glyphs.append(ACTION_GLYPHS.TOGGLE_BITS)
 182         return tuple(glyphs)
 183
 184     def get_text(self, location=None):
 185         if 'message' in self.data:
 186             return super(GenericBits, self).get_text()
 187         parts = []
 188         if self.acquire_win:
 189             parts.append("Gain a {WINTOKEN}.")
 190         if self.lose_health:
 191             parts.append("Lose {HEALTH}.")
 192         for template, bits in [
 193                 ('Set %s.', self.set_bits), ('Clear %s.', self.clear_bits),
 194                 ('Toggle %s.', self.toggle_bits)]:
 195             if bits:
 196                 parts.append(template % (bit_glyphs(bits)))
 197         if self.once:
 198             parts.append('Usable once only.')
 199         return " ".join(parts)
 200
 201
 202 class ShiftBits(LocationAction):
 203     TEXT = "Barrel-shift player bits %(shift_glyph)s %(shift)s."
 204     GLYPHS = (ACTION_GLYPHS.SHIFT_LEFT,)
 205
 206     def perform_action(self, board, location):
 207         shift = self.data['shift']
 208         if self.data['direction'] == 'left':
 209             board.player.bits.shift_bits_left(shift)
 210         else:
 211             board.player.bits.shift_bits_right(shift)
 212
 213
 214 class LoseHealthOrMSBAndSetBits(LocationAction):
 215     TEXT = "Lose {HEALTH} or {MSB}, then set %(location_bits)s."
 216     GLYPHS = (ACTION_GLYPHS.SET_BITS,)
 217     MSB_GLYPH = ACTION_GLYPHS.DAMAGE
 218
 219     def perform_action(self, board, location):
 220         if not self.check_and_clear_MSB(board.player):
 221             sound.play_sound('awwww.ogg')
 222             board.lose_health()
 223         board.player.bits.set_bits(location.bitwise_operand)
 224
 225
 226 class AcquireWinToken(LocationAction):
 227     TEXT = "Gain {WINTOKEN}, then clear {RED,GREEN,BLUE}."
 228     GLYPHS = (ACTION_GLYPHS.WINTOKEN,)
 229
 230     def perform_action(self, board, location):
 231         sound.play_sound('yipee.ogg')
 232         board.acquire_win_token()
 233         board.player.bits.clear_bits(set([
 234             BITS.RED, BITS.GREEN, BITS.BLUE,
 235         ]))
 236
 237 class AcquireWinTokenAndLoseHealth(AcquireWinToken):
 238     TEXT = "Gain {WINTOKEN}, lose {HEALTH}, then clear {RED,GREEN,BLUE}."
 239     GLYPHS = (ACTION_GLYPHS.WINTOKEN, ACTION_GLYPHS.DAMAGE)
 240
 241     def perform_action(self, board, location):
 242         self.take_damage(board)
 243         super(AcquireWinTokenAndLoseHealth, self).perform_action(board,
 244                                                                 location)
 245
 246 class GainHealth(LocationAction):
 247     TEXT = "Gain {HEALTH}."
 248     GLYPHS = (ACTION_GLYPHS.HEAL,)
 249
 250     def perform_action(self, board, location):
 251         sound.play_sound('aha.ogg')
 252         board.gain_health()
 253
 254
 255 class GainHealthAndClearBitsOrMSB(LocationAction):
 256     TEXT = "Gain {HEALTH}, then clear %(location_bits)s or {MSB}."
 257     GLYPHS = (ACTION_GLYPHS.HEAL,)
 258     MSB_GLYPH = ACTION_GLYPHS.CLEAR_BITS
 259
 260     def perform_action(self, board, location):
 261         sound.play_sound('aha.ogg')
 262         board.gain_health()
 263         if not self.check_and_clear_MSB(board.player):
 264             board.player.bits.clear_bits(location.bitwise_operand)
 265
 266
 267 class ShiftLocations(LocationAction):
 268     TEXT = "Shift current %(rowcol)s %(direction)s."
 269     GLYPHS = (ACTION_GLYPHS.CHANGE_BOARD,)
 270
 271     def perform_action(self, board, location):
 272         sound.play_sound('grind.ogg')
 273         board.shift_locations(self.data['direction'])
 274
 275
 276 class RotateLocations(LocationAction):
 277     TEXT = "Rotate adjacent tiles %(rot_direction_name)s."
 278     GLYPHS = (ACTION_GLYPHS.CHANGE_BOARD,)
 279
 280     def perform_action(self, board, location):
 281         sound.play_sound('grind.ogg')
 282         board.rotate_locations(self.data['rot_direction'])
 283
 284
 285 class AllowChessMove(LocationAction):
 286     TEXT = "Move like a %(chesspiece_name)s for one turn."
 287     GLYPHS = (ACTION_GLYPHS.MOVEMENT,)
 288
 289     def perform_action(self, board, location):
 290         if self.data['chesspiece'] in CHESS_PIECES:
 291             chesspiece = CHESS_PIECES[self.data['chesspiece']]
 292             board.allow_chess_move(chesspiece)
 293
 294
 295 class AllowChessMoveIfMSB(LocationAction):
 296     TEXT = (
 297         "Clear {MSB} and move like a %(chesspiece_name)s for one turn if it "
 298         "was set.")
 299     MSB_GLYPH = ACTION_GLYPHS.MOVEMENT
 300
 301     def perform_action(self, board, location):
 302         if self.data['chesspiece'] in CHESS_PIECES:
 303             if self.check_and_clear_MSB(board.player):
 304                 chesspiece = CHESS_PIECES[self.data['chesspiece']]
 305                 board.allow_chess_move(chesspiece)
 306
 307
 308 class GainMSB(LocationAction):
 309     TEXT = "Set {MSB}."
 310     GLYPHS = (ACTION_GLYPHS.MSB,)
 311
 312     def perform_action(self, board, location):
 313         board.player.bits.set_bit(BITS.MSB)