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 sanity_check(self, location):
  20         pass
  21
  22     def get_glyphs(self):
  23         return self.GLYPHS
  24
  25     def get_msb_glyph(self):
  26         return self.MSB_GLYPH
  27
  28     def get_text(self, location=None):
  29         substitutions = self.data.copy()
  30
  31         if 'shift' in self.data:
  32             substitutions['shift'] = self.data['shift']
  33             substitutions['shift_glyph'] = ('{SHIFT_%s}'
  34                                             % self.data['direction'].upper())
  35         elif 'direction' in self.data:
  36             substitutions['rowcol'] = {
  37                 'NORTH': 'column',
  38                 'SOUTH': 'column',
  39                 'EAST': 'row',
  40                 'WEST': 'row',
  41             }[self.data['direction']]
  42             substitutions['direction'] = '{%s}' % (substitutions['direction'],)
  43
  44         if 'chesspiece' in self.data:
  45             substitutions['chesspiece_name'] = move_glyph(
  46                 self.data['chesspiece'])
  47
  48         if 'rot_direction' in self.data:
  49             substitutions['rot_direction_name'] = '{%s}' % (
  50                 substitutions['rot_direction'],)
  51
  52         if location is None:
  53             substitutions['location_bits'] = 'bits specified by this tile'
  54         else:
  55             substitutions['location_bits'] = bit_glyphs(
  56                 location.bitwise_operand)
  57
  58         text = self.TEXT
  59         if self.data.get('message', None) is not None:
  60             text = self.data['message']
  61
  62         return text % substitutions
  63
  64     def check_available(self, player):
  65         return player.bits.check_bits(self.required_bits)
  66
  67     def perform_action(self, board, location):
  68         raise NotImplementedError(
  69             "%s does not implement perform_action()." % (type(self).__name__,))
  70
  71     def check_and_clear_MSB(self, player):
  72         if player.bits.check_bit(BITS.MSB):
  73             player.bits.clear_bit(BITS.MSB)
  74             return True
  75         else:
  76             return False
  77
  78     def export(self):
  79         return {'required_bits': list(self.required_bits),
  80                 'data': self.data,
  81                 'action_class': self.__class__.__name__}
  82
  83     def take_damage(self, board):
  84         sound.play_sound('awwww.ogg')
  85         board.lose_health()
  86
  87
  88 class DoNothing(LocationAction):
  89     TEXT = "No effect."
  90     GLYPHS = (ACTION_GLYPHS.NOTHING,)
  91
  92     def perform_action(self, board, location):
  93         pass
  94
  95
  96 class LoseHealthOrMSB(LocationAction):
  97     TEXT = "Lose {HEALTH} or {MSB}."
  98     MSB_GLYPH = ACTION_GLYPHS.DAMAGE
  99
 100     def perform_action(self, board, location):
 101         if not self.check_and_clear_MSB(board.player):
 102             self.take_damage(board)
 103
 104
 105 class SetBits(LocationAction):
 106     TEXT = "Set %(location_bits)s."
 107     GLYPHS = (ACTION_GLYPHS.SET_BITS,)
 108
 109     def perform_action(self, board, location):
 110         board.player.bits.set_bits(location.bitwise_operand)
 111
 112
 113 class ClearBits(LocationAction):
 114     TEXT = "Clear %(location_bits)s."
 115     GLYPHS = (ACTION_GLYPHS.CLEAR_BITS,)
 116
 117     def perform_action(self, board, location):
 118         board.player.bits.clear_bits(location.bitwise_operand)
 119
 120
 121 class ClearBitsAndHealth(LocationAction):
 122     TEXT = "Clear %(location_bits)s and lose {HEALTH}."
 123     GLYPHS = (ACTION_GLYPHS.CLEAR_BITS, ACTION_GLYPHS.DAMAGE)
 124
 125     def perform_action(self, board, location):
 126         board.player.bits.clear_bits(location.bitwise_operand)
 127         self.take_damage(board)
 128
 129
 130 class ToggleBits(LocationAction):
 131     TEXT = "Toggle %(location_bits)s."
 132     GLYPHS = (ACTION_GLYPHS.TOGGLE_BITS,)
 133
 134     def perform_action(self, board, location):
 135         board.player.bits.toggle_bits(location.bitwise_operand)
 136
 137
 138 class ToggleBitsAndHarm(LocationAction):
 139     TEXT = "Toggle %(location_bits)s and lose {HEALTH}."
 140     GLYPHS = (ACTION_GLYPHS.TOGGLE_BITS, ACTION_GLYPHS.DAMAGE)
 141
 142     def perform_action(self, board, location):
 143         board.player.bits.toggle_bits(location.bitwise_operand)
 144         self.take_damage(board)
 145
 146
 147 class GenericBits(LocationAction):
 148     GLYPHS = (ACTION_GLYPHS.SET_BITS, ACTION_GLYPHS.CLEAR_BITS)
 149
 150     def __init__(self, *args, **kw):
 151         super(GenericBits, self).__init__(*args, **kw)
 152         self.set_bits = parse_bits(self.data.get('set', []))
 153         self.clear_bits = parse_bits(self.data.get('clear', []))
 154         self.toggle_bits = parse_bits(self.data.get('toggle', []))
 155         self.once = self.data.get('once', False)
 156         self.acquire_win = self.data.get('acquire_win', False)
 157         self.lose_health = self.data.get('lose_health', False)
 158         self.gain_health = self.data.get('gain_health', False)
 159
 160     def sanity_check(self, location):
 161         missing_bits = set()
 162         missing_bits.update(self.set_bits - set(location.bitwise_operand))
 163         missing_bits.update(self.clear_bits - set(location.bitwise_operand))
 164         missing_bits.update(self.toggle_bits - set(location.bitwise_operand))
 165         if missing_bits:
 166             raise ValueError(
 167                 "Location %s missing bits %r"
 168                 % (location.card_name, sorted(list(missing_bits))))
 169
 170     def perform_action(self, board, location):
 171         bits = board.player.bits
 172         bits.set_bits(self.set_bits)
 173         bits.toggle_bits(self.toggle_bits)
 174         bits.clear_bits(self.clear_bits)
 175         if self.acquire_win:
 176             sound.play_sound('yipee.ogg')
 177             board.acquire_win_token()
 178         if self.lose_health:
 179             sound.play_sound('awwww.ogg')
 180             board.lose_health()
 181         if self.gain_health:
 182             sound.play_sound('aha.ogg')
 183             board.gain_health()
 184         if self.once:
 185             location.actions.remove(self)
 186
 187     def get_glyphs(self):
 188         glyphs = []
 189         if self.acquire_win:
 190             glyphs.append(ACTION_GLYPHS.WINTOKEN)
 191         if self.lose_health:
 192             glyphs.append(ACTION_GLYPHS.DAMAGE)
 193         if self.gain_health:
 194             glyphs.append(ACTION_GLYPHS.HEAL)
 195         if self.set_bits:
 196             glyphs.append(ACTION_GLYPHS.SET_BITS)
 197         if self.clear_bits:
 198             glyphs.append(ACTION_GLYPHS.CLEAR_BITS)
 199         if self.toggle_bits:
 200             glyphs.append(ACTION_GLYPHS.TOGGLE_BITS)
 201         return tuple(glyphs)
 202
 203     def get_text(self, location=None):
 204         if 'message' in self.data:
 205             return super(GenericBits, self).get_text()
 206         parts = []
 207         if self.acquire_win:
 208             parts.append("Gain {WINTOKEN}.")
 209         if self.lose_health:
 210             parts.append("Lose {HEALTH}.")
 211         if self.gain_health:
 212             parts.append("Gain {HEALTH}.")
 213         for template, bits in [
 214                 ('Set %s.', self.set_bits), ('Clear %s.', self.clear_bits),
 215                 ('Toggle %s.', self.toggle_bits)]:
 216             if bits:
 217                 parts.append(template % (bit_glyphs(bits)))
 218         if self.once:
 219             parts.append('Usable once only.')
 220         return " ".join(parts)
 221
 222
 223 class ShiftBits(LocationAction):
 224     TEXT = "Barrel-shift player bits %(shift_glyph)s %(shift)s."
 225     GLYPHS = (ACTION_GLYPHS.SHIFT_LEFT,)
 226
 227     def perform_action(self, board, location):
 228         shift = self.data['shift']
 229         if self.data['direction'] == 'left':
 230             board.player.bits.shift_bits_left(shift)
 231         else:
 232             board.player.bits.shift_bits_right(shift)
 233
 234
 235 class LoseHealthOrMSBAndSetBits(LocationAction):
 236     TEXT = "Lose {HEALTH} or {MSB}, then set %(location_bits)s."
 237     GLYPHS = (ACTION_GLYPHS.SET_BITS,)
 238     MSB_GLYPH = ACTION_GLYPHS.DAMAGE
 239
 240     def perform_action(self, board, location):
 241         if not self.check_and_clear_MSB(board.player):
 242             sound.play_sound('awwww.ogg')
 243             board.lose_health()
 244         board.player.bits.set_bits(location.bitwise_operand)
 245
 246
 247 class AcquireWinToken(LocationAction):
 248     TEXT = "Gain {WINTOKEN}, then clear {RED,GREEN,BLUE}."
 249     GLYPHS = (ACTION_GLYPHS.WINTOKEN,)
 250
 251     def perform_action(self, board, location):
 252         sound.play_sound('yipee.ogg')
 253         board.acquire_win_token()
 254         board.player.bits.clear_bits(set([
 255             BITS.RED, BITS.GREEN, BITS.BLUE,
 256         ]))
 257
 258
 259 class AcquireWinTokenAndLoseHealth(AcquireWinToken):
 260     TEXT = "Gain {WINTOKEN}, lose {HEALTH}, then clear {RED,GREEN,BLUE}."
 261     GLYPHS = (ACTION_GLYPHS.WINTOKEN, ACTION_GLYPHS.DAMAGE)
 262
 263     def perform_action(self, board, location):
 264         self.take_damage(board)
 265         super(AcquireWinTokenAndLoseHealth, self).perform_action(
 266             board, location)
 267
 268
 269 class GainHealth(LocationAction):
 270     TEXT = "Gain {HEALTH}."
 271     GLYPHS = (ACTION_GLYPHS.HEAL,)
 272
 273     def perform_action(self, board, location):
 274         sound.play_sound('aha.ogg')
 275         board.gain_health()
 276
 277
 278 class GainHealthAndClearBitsOrMSB(LocationAction):
 279     TEXT = "Gain {HEALTH}, then clear %(location_bits)s or {MSB}."
 280     GLYPHS = (ACTION_GLYPHS.HEAL,)
 281     MSB_GLYPH = ACTION_GLYPHS.CLEAR_BITS
 282
 283     def perform_action(self, board, location):
 284         sound.play_sound('aha.ogg')
 285         board.gain_health()
 286         if not self.check_and_clear_MSB(board.player):
 287             board.player.bits.clear_bits(location.bitwise_operand)
 288
 289
 290 class ShiftLocations(LocationAction):
 291     TEXT = "Shift current %(rowcol)s %(direction)s."
 292     GLYPHS = (ACTION_GLYPHS.CHANGE_BOARD,)
 293
 294     def perform_action(self, board, location):
 295         sound.play_sound('grind.ogg')
 296         board.shift_locations(
 297             self.data['direction'],
 298             self.data.get('skip_current', True))
 299         if self.data.get('move_player', False):
 300             pos = {
 301                 'NORTH': (0, -1), 'SOUTH': (0, 1),
 302                 'EAST': (1, 0), 'WEST': (-1, 0),
 303             }.get(self.data['direction'], (0, 0))
 304             board.player.force_position(pos, delta=True)
 305
 306
 307 class RotateLocations(LocationAction):
 308     TEXT = "Rotate adjacent tiles %(rot_direction_name)s."
 309     GLYPHS = (ACTION_GLYPHS.CHANGE_BOARD,)
 310
 311     def perform_action(self, board, location):
 312         sound.play_sound('grind.ogg')
 313         board.rotate_locations(self.data['rot_direction'])
 314
 315
 316 class AllowChessMove(LocationAction):
 317     TEXT = "Move like a %(chesspiece_name)s for one turn."
 318     GLYPHS = (ACTION_GLYPHS.MOVEMENT,)
 319
 320     def perform_action(self, board, location):
 321         if self.data['chesspiece'] in CHESS_PIECES:
 322             chesspiece = CHESS_PIECES[self.data['chesspiece']]
 323             board.allow_chess_move(chesspiece)
 324
 325
 326 class AllowChessMoveIfMSB(LocationAction):
 327     TEXT = (
 328         "If {MSB} is set, unset {MSB} and move like a "
 329         "%(chesspiece_name)s for one turn. Otherwise do nothing.")
 330     MSB_GLYPH = ACTION_GLYPHS.MOVEMENT
 331
 332     def perform_action(self, board, location):
 333         if self.data['chesspiece'] in CHESS_PIECES:
 334             if self.check_and_clear_MSB(board.player):
 335                 chesspiece = CHESS_PIECES[self.data['chesspiece']]
 336                 board.allow_chess_move(chesspiece)
 337
 338
 339 class GainMSB(LocationAction):
 340     TEXT = "Set {MSB}."
 341     GLYPHS = (ACTION_GLYPHS.MSB,)
 342
 343     def perform_action(self, board, location):
 344         board.player.bits.set_bit(BITS.MSB)