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comparison gamelib/animal.py @ 437:95b81e917399

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Buildings block line-of-sight, except for occupants.
author Jeremy Thurgood <firxen@gmail.com>
date Sat, 21 Nov 2009 17:55:28 +0000
parents 129de5883524
children 16437cf4a2b8
comparison
equal deleted inserted replaced
436:2b4cd86dfcaf 437:95b81e917399
248 248
249 def _find_killable_fox(self, weapon, gameboard): 249 def _find_killable_fox(self, weapon, gameboard):
250 """Choose a random fox within range of this weapon.""" 250 """Choose a random fox within range of this weapon."""
251 killable_foxes = [] 251 killable_foxes = []
252 for fox in gameboard.foxes: 252 for fox in gameboard.foxes:
253 if not visible(self, fox): 253 if not visible(self, fox, gameboard):
254 continue 254 continue
255 if weapon.in_range(gameboard, self, fox): 255 if weapon.in_range(gameboard, self, fox):
256 killable_foxes.append(fox) 256 killable_foxes.append(fox)
257 if not killable_foxes: 257 if not killable_foxes:
258 return None 258 return None
657 if watcher.abode: 657 if watcher.abode:
658 modifier = getattr(watcher.abode.building, 'MODIFY_'+parameter, lambda r: r) 658 modifier = getattr(watcher.abode.building, 'MODIFY_'+parameter, lambda r: r)
659 param = modifier(param) 659 param = modifier(param)
660 return param 660 return param
661 661
662 def visible(watcher, watchee): 662 def visible(watcher, watchee, gameboard):
663 vision_bonus = _get_vision_param('VISION_BONUS', watcher) 663 vision_bonus = _get_vision_param('VISION_BONUS', watcher)
664 range_penalty = _get_vision_param('VISION_RANGE_PENALTY', watcher) 664 range_penalty = _get_vision_param('VISION_RANGE_PENALTY', watcher)
665 positions = watcher.pos.intermediate_positions(watchee.pos)
666 for pos in positions:
667 building = gameboard.get_building(pos.to_tile_tuple())
668 # This allows chickens to fire across GuardTowers and Fences.
669 if building and building.BLOCKS_VISION and not (watcher in building.occupants()):
670 return False
665 distance = watcher.pos.dist(watchee.pos) - 1 671 distance = watcher.pos.dist(watchee.pos) - 1
666 roll = random.randint(1, 100) 672 roll = random.randint(1, 100)
667 return roll > watchee.STEALTH - vision_bonus + range_penalty*distance 673 return roll > watchee.STEALTH - vision_bonus + range_penalty*distance
668 674
669 # These don't have to add up to 100, but it's easier to think 675 # These don't have to add up to 100, but it's easier to think