rinkhals: gamelib/animal.py annotate

annotate gamelib/animal.py @ 149:2a1064fae608

More memory for the foxes, to ensure we avoid short loops

author	Neil Muller <drnlmuller@gmail.com>
date	Thu, 03 Sep 2009 20:12:54 +0000
parents	423050ec188b
children	baf857805867

rev	line source
25 6d6ab0c1479d Add placing some chickens and foxes Neil Muller <drnlmuller@gmail.com> parents: diff changeset	1 """Class for the various animals in the game"""
6d6ab0c1479d Add placing some chickens and foxes Neil Muller <drnlmuller@gmail.com> parents: diff changeset	2
84 5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	3 import random
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	4
25 6d6ab0c1479d Add placing some chickens and foxes Neil Muller <drnlmuller@gmail.com> parents: diff changeset	5 from pgu.vid import Sprite
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	6 from pgu.algo import getline
25 6d6ab0c1479d Add placing some chickens and foxes Neil Muller <drnlmuller@gmail.com> parents: diff changeset	7
44 7e884084e7b1 Move animal sprites to imagecache. Simon Cross <hodgestar@gmail.com> parents: 38 diff changeset	8 import imagecache
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	9 import tiles
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	10 from misc import Position
98 725b292ca07b Added sounds killing foxes and chickens, and nightfall David Fraser <davidf@sjsoft.com> parents: 92 diff changeset	11 import sound
109 48019afde338 Equipment purchasing and some toolbar tweaks. Jeremy Thurgood <firxen@gmail.com> parents: 108 diff changeset	12 import equipment
25 6d6ab0c1479d Add placing some chickens and foxes Neil Muller <drnlmuller@gmail.com> parents: diff changeset	13
6d6ab0c1479d Add placing some chickens and foxes Neil Muller <drnlmuller@gmail.com> parents: diff changeset	14 class Animal(Sprite):
28 ac3a74352b74 Change animal.py to four space indents. Simon Cross <hodgestar@gmail.com> parents: 25 diff changeset	15 """Base class for animals"""
25 6d6ab0c1479d Add placing some chickens and foxes Neil Muller <drnlmuller@gmail.com> parents: diff changeset	16
114 4c2fbab20abe Foxes are stealthy now. Jeremy Thurgood <firxen@gmail.com> parents: 109 diff changeset	17 STEALTH = 0
4c2fbab20abe Foxes are stealthy now. Jeremy Thurgood <firxen@gmail.com> parents: 109 diff changeset	18
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	19 def __init__(self, image_left, image_right, tile_pos):
38 03121c89d5fd Make the secret foxes really secret Neil Muller <drnlmuller@gmail.com> parents: 32 diff changeset	20 # Create the animal somewhere far off screen
53 f20dd3dcb118 foxes don't run backwards Adrianna Pińska <adrianna.pinska@gmail.com> parents: 47 diff changeset	21 Sprite.__init__(self, image_left, (-1000, -1000))
146 423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	22 self._image_left = image_left
423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	23 self.image_left = image_left.copy()
423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	24 self._image_right = image_right
423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	25 self.image_right = image_right.copy()
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	26 self.pos = Position(tile_pos[0], tile_pos[1])
84 5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	27 self.equipment = []
108 437cbd856a03 Add occupants and abodes. Allowing moving chickens around. Simon Cross <hodgestar@gmail.com> parents: 104 diff changeset	28 self.abode = None
146 423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	29 self.facing = 'left'
25 6d6ab0c1479d Add placing some chickens and foxes Neil Muller <drnlmuller@gmail.com> parents: diff changeset	30
28 ac3a74352b74 Change animal.py to four space indents. Simon Cross <hodgestar@gmail.com> parents: 25 diff changeset	31 def loop(self, tv, _sprite):
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	32 ppos = tv.tile_to_view(self.pos.to_tuple())
28 ac3a74352b74 Change animal.py to four space indents. Simon Cross <hodgestar@gmail.com> parents: 25 diff changeset	33 self.rect.x = ppos[0]
ac3a74352b74 Change animal.py to four space indents. Simon Cross <hodgestar@gmail.com> parents: 25 diff changeset	34 self.rect.y = ppos[1]
25 6d6ab0c1479d Add placing some chickens and foxes Neil Muller <drnlmuller@gmail.com> parents: diff changeset	35
28 ac3a74352b74 Change animal.py to four space indents. Simon Cross <hodgestar@gmail.com> parents: 25 diff changeset	36 def move(self, state):
ac3a74352b74 Change animal.py to four space indents. Simon Cross <hodgestar@gmail.com> parents: 25 diff changeset	37 """Given the game state, return a new position for the object"""
ac3a74352b74 Change animal.py to four space indents. Simon Cross <hodgestar@gmail.com> parents: 25 diff changeset	38 # Default is not to move
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	39 pass
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	40
108 437cbd856a03 Add occupants and abodes. Allowing moving chickens around. Simon Cross <hodgestar@gmail.com> parents: 104 diff changeset	41 def set_pos(self, tile_pos):
437cbd856a03 Add occupants and abodes. Allowing moving chickens around. Simon Cross <hodgestar@gmail.com> parents: 104 diff changeset	42 """Move an animal to the given tile_pos."""
437cbd856a03 Add occupants and abodes. Allowing moving chickens around. Simon Cross <hodgestar@gmail.com> parents: 104 diff changeset	43 new_pos = Position(*tile_pos)
437cbd856a03 Add occupants and abodes. Allowing moving chickens around. Simon Cross <hodgestar@gmail.com> parents: 104 diff changeset	44 self._fix_face(new_pos)
437cbd856a03 Add occupants and abodes. Allowing moving chickens around. Simon Cross <hodgestar@gmail.com> parents: 104 diff changeset	45 self.pos = new_pos
437cbd856a03 Add occupants and abodes. Allowing moving chickens around. Simon Cross <hodgestar@gmail.com> parents: 104 diff changeset	46
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	47 def _fix_face(self, final_pos):
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	48 """Set the face correctly"""
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	49 if final_pos.left_of(self.pos):
146 423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	50 self._set_image_facing('left')
423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	51 elif final_pos.right_of(self.pos):
423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	52 self._set_image_facing('right')
423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	53
423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	54 def _set_image_facing(self, facing):
423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	55 self.facing = facing
423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	56 if self.facing == 'left':
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	57 self.setimage(self.image_left)
146 423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	58 elif self.facing == 'right':
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	59 self.setimage(self.image_right)
25 6d6ab0c1479d Add placing some chickens and foxes Neil Muller <drnlmuller@gmail.com> parents: diff changeset	60
84 5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	61 def equip(self, item):
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	62 self.equipment.append(item)
146 423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	63 if not hasattr(self, 'EQUIPMENT_IMAGE_ATTRIBUTE'):
423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	64 return
423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	65 eq_image_attr = getattr(item, self.EQUIPMENT_IMAGE_ATTRIBUTE, 'None')
423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	66 if not eq_image_attr:
423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	67 return
423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	68 eq_image_left = imagecache.load_image(eq_image_attr)
423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	69 eq_image_right = imagecache.load_image(eq_image_attr, ("right_facing",))
423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	70 self.image_left.blit(eq_image_left, (0, 0))
423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	71 self.image_right.blit(eq_image_right, (0, 0))
423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	72 self._set_image_facing(self.facing)
84 5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	73
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	74 def weapons(self):
109 48019afde338 Equipment purchasing and some toolbar tweaks. Jeremy Thurgood <firxen@gmail.com> parents: 108 diff changeset	75 return [e for e in self.equipment if equipment.is_weapon(e)]
84 5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	76
104 d17375586866 Add .covers(tile_pos) to animals (to match similar function on buildings). Simon Cross <hodgestar@gmail.com> parents: 98 diff changeset	77 def covers(self, tile_pos):
d17375586866 Add .covers(tile_pos) to animals (to match similar function on buildings). Simon Cross <hodgestar@gmail.com> parents: 98 diff changeset	78 return tile_pos[0] == self.pos.x and tile_pos[1] == self.pos.y
d17375586866 Add .covers(tile_pos) to animals (to match similar function on buildings). Simon Cross <hodgestar@gmail.com> parents: 98 diff changeset	79
125 2e3a05b9594d Chickens in buildings\! Simon Cross <hodgestar@gmail.com> parents: 122 diff changeset	80 def outside(self):
2e3a05b9594d Chickens in buildings\! Simon Cross <hodgestar@gmail.com> parents: 122 diff changeset	81 return self.abode is None
2e3a05b9594d Chickens in buildings\! Simon Cross <hodgestar@gmail.com> parents: 122 diff changeset	82
25 6d6ab0c1479d Add placing some chickens and foxes Neil Muller <drnlmuller@gmail.com> parents: diff changeset	83 class Chicken(Animal):
28 ac3a74352b74 Change animal.py to four space indents. Simon Cross <hodgestar@gmail.com> parents: 25 diff changeset	84 """A chicken"""
25 6d6ab0c1479d Add placing some chickens and foxes Neil Muller <drnlmuller@gmail.com> parents: diff changeset	85
146 423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	86 EQUIPMENT_IMAGE_ATTRIBUTE = 'CHICKEN_IMAGE_FILE'
423050ec188b Equipment images. Jeremy Thurgood <firxen@gmail.com> parents: 145 diff changeset	87
28 ac3a74352b74 Change animal.py to four space indents. Simon Cross <hodgestar@gmail.com> parents: 25 diff changeset	88 def __init__(self, pos):
53 f20dd3dcb118 foxes don't run backwards Adrianna Pińska <adrianna.pinska@gmail.com> parents: 47 diff changeset	89 image_left = imagecache.load_image('sprites/chkn.png')
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	90 image_right = imagecache.load_image('sprites/chkn.png',
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	91 ("right_facing",))
53 f20dd3dcb118 foxes don't run backwards Adrianna Pińska <adrianna.pinska@gmail.com> parents: 47 diff changeset	92 Animal.__init__(self, image_left, image_right, pos)
116 d539ef5a3333 Add basic chicken->egg cycle Neil Muller <drnlmuller@gmail.com> parents: 115 diff changeset	93 self.egg = False
d539ef5a3333 Add basic chicken->egg cycle Neil Muller <drnlmuller@gmail.com> parents: 115 diff changeset	94 self.egg_counter = 0
25 6d6ab0c1479d Add placing some chickens and foxes Neil Muller <drnlmuller@gmail.com> parents: diff changeset	95
28 ac3a74352b74 Change animal.py to four space indents. Simon Cross <hodgestar@gmail.com> parents: 25 diff changeset	96 def move(self, gameboard):
ac3a74352b74 Change animal.py to four space indents. Simon Cross <hodgestar@gmail.com> parents: 25 diff changeset	97 """A free chicken will move away from other free chickens"""
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	98 pass
25 6d6ab0c1479d Add placing some chickens and foxes Neil Muller <drnlmuller@gmail.com> parents: diff changeset	99
116 d539ef5a3333 Add basic chicken->egg cycle Neil Muller <drnlmuller@gmail.com> parents: 115 diff changeset	100 def lay(self):
d539ef5a3333 Add basic chicken->egg cycle Neil Muller <drnlmuller@gmail.com> parents: 115 diff changeset	101 """See if the chicken lays an egg"""
d539ef5a3333 Add basic chicken->egg cycle Neil Muller <drnlmuller@gmail.com> parents: 115 diff changeset	102 if not self.egg:
d539ef5a3333 Add basic chicken->egg cycle Neil Muller <drnlmuller@gmail.com> parents: 115 diff changeset	103 self.egg = True
d539ef5a3333 Add basic chicken->egg cycle Neil Muller <drnlmuller@gmail.com> parents: 115 diff changeset	104 self.egg_counter = 2
d539ef5a3333 Add basic chicken->egg cycle Neil Muller <drnlmuller@gmail.com> parents: 115 diff changeset	105
d539ef5a3333 Add basic chicken->egg cycle Neil Muller <drnlmuller@gmail.com> parents: 115 diff changeset	106 def hatch(self):
d539ef5a3333 Add basic chicken->egg cycle Neil Muller <drnlmuller@gmail.com> parents: 115 diff changeset	107 """See if we have an egg to hatch"""
d539ef5a3333 Add basic chicken->egg cycle Neil Muller <drnlmuller@gmail.com> parents: 115 diff changeset	108 if self.egg:
d539ef5a3333 Add basic chicken->egg cycle Neil Muller <drnlmuller@gmail.com> parents: 115 diff changeset	109 self.egg_counter -= 1
d539ef5a3333 Add basic chicken->egg cycle Neil Muller <drnlmuller@gmail.com> parents: 115 diff changeset	110 if self.egg_counter == 0:
d539ef5a3333 Add basic chicken->egg cycle Neil Muller <drnlmuller@gmail.com> parents: 115 diff changeset	111 # Egg hatches
d539ef5a3333 Add basic chicken->egg cycle Neil Muller <drnlmuller@gmail.com> parents: 115 diff changeset	112 self.egg = False
d539ef5a3333 Add basic chicken->egg cycle Neil Muller <drnlmuller@gmail.com> parents: 115 diff changeset	113 return Chicken(self.pos.to_tuple())
d539ef5a3333 Add basic chicken->egg cycle Neil Muller <drnlmuller@gmail.com> parents: 115 diff changeset	114 return None
d539ef5a3333 Add basic chicken->egg cycle Neil Muller <drnlmuller@gmail.com> parents: 115 diff changeset	115
84 5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	116 def _find_killable_fox(self, weapon, gameboard):
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	117 """Choose a random fox within range of this weapon."""
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	118 killable_foxes = []
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	119 for fox in gameboard.foxes:
114 4c2fbab20abe Foxes are stealthy now. Jeremy Thurgood <firxen@gmail.com> parents: 109 diff changeset	120 if not visible(self, fox):
4c2fbab20abe Foxes are stealthy now. Jeremy Thurgood <firxen@gmail.com> parents: 109 diff changeset	121 continue
84 5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	122 if weapon.in_range(gameboard, self, fox):
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	123 killable_foxes.append(fox)
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	124 if not killable_foxes:
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	125 return None
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	126 return random.choice(killable_foxes)
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	127
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	128 def attack(self, gameboard):
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	129 """An armed chicken will attack a fox within range."""
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	130 if not self.weapons():
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	131 # Not going to take on a fox bare-winged.
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	132 return
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	133 # Choose the first weapon equipped.
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	134 weapon = self.weapons()[0]
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	135 fox = self._find_killable_fox(weapon, gameboard)
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	136 if not fox:
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	137 return
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	138 if weapon.hit(gameboard, self, fox):
98 725b292ca07b Added sounds killing foxes and chickens, and nightfall David Fraser <davidf@sjsoft.com> parents: 92 diff changeset	139 sound.play_sound("kill-fox.ogg")
84 5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	140 gameboard.kill_fox(fox)
5494af02a0e8 Chickens with rifles! Jeremy Thurgood <firxen@gmail.com> parents: 82 diff changeset	141
25 6d6ab0c1479d Add placing some chickens and foxes Neil Muller <drnlmuller@gmail.com> parents: diff changeset	142 class Egg(Animal):
28 ac3a74352b74 Change animal.py to four space indents. Simon Cross <hodgestar@gmail.com> parents: 25 diff changeset	143 """An egg"""
25 6d6ab0c1479d Add placing some chickens and foxes Neil Muller <drnlmuller@gmail.com> parents: diff changeset	144
47 be2496df2368 Add egg image to egg sprite. Simon Cross <hodgestar@gmail.com> parents: 44 diff changeset	145 def __init__(self, pos):
be2496df2368 Add egg image to egg sprite. Simon Cross <hodgestar@gmail.com> parents: 44 diff changeset	146 image = imagecache.load_image('sprites/egg.png')
53 f20dd3dcb118 foxes don't run backwards Adrianna Pińska <adrianna.pinska@gmail.com> parents: 47 diff changeset	147 Animal.__init__(self, image, image, pos)
47 be2496df2368 Add egg image to egg sprite. Simon Cross <hodgestar@gmail.com> parents: 44 diff changeset	148
28 ac3a74352b74 Change animal.py to four space indents. Simon Cross <hodgestar@gmail.com> parents: 25 diff changeset	149 # Eggs don't move
25 6d6ab0c1479d Add placing some chickens and foxes Neil Muller <drnlmuller@gmail.com> parents: diff changeset	150
6d6ab0c1479d Add placing some chickens and foxes Neil Muller <drnlmuller@gmail.com> parents: diff changeset	151 class Fox(Animal):
28 ac3a74352b74 Change animal.py to four space indents. Simon Cross <hodgestar@gmail.com> parents: 25 diff changeset	152 """A fox"""
25 6d6ab0c1479d Add placing some chickens and foxes Neil Muller <drnlmuller@gmail.com> parents: diff changeset	153
114 4c2fbab20abe Foxes are stealthy now. Jeremy Thurgood <firxen@gmail.com> parents: 109 diff changeset	154 STEALTH = 20
130 96c5ef7613b5 NINJA FOXES! Jeremy Thurgood <firxen@gmail.com> parents: 125 diff changeset	155 IMAGE_FILE = 'sprites/fox.png'
114 4c2fbab20abe Foxes are stealthy now. Jeremy Thurgood <firxen@gmail.com> parents: 109 diff changeset	156
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	157 costs = {
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	158 # weighting for movement calculation
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	159 'grassland' : 2,
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	160 'woodland' : 1, # Try to keep to the woods if possible
72 aa4bd93575d9 Fix some bound checking and tweak movement costs Neil Muller <drnlmuller@gmail.com> parents: 71 diff changeset	161 'broken fence' : 2,
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	162 'fence' : 10,
72 aa4bd93575d9 Fix some bound checking and tweak movement costs Neil Muller <drnlmuller@gmail.com> parents: 71 diff changeset	163 'guardtower' : 2, # We can pass under towers
145 490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	164 'henhouse' : 30, # Don't go into a henhouse unless we're going to
490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	165 # catch a chicken there
490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	166 'hendominium' : 30,
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	167 }
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	168
28 ac3a74352b74 Change animal.py to four space indents. Simon Cross <hodgestar@gmail.com> parents: 25 diff changeset	169 def __init__(self, pos):
130 96c5ef7613b5 NINJA FOXES! Jeremy Thurgood <firxen@gmail.com> parents: 125 diff changeset	170 image_left = imagecache.load_image(self.IMAGE_FILE)
96c5ef7613b5 NINJA FOXES! Jeremy Thurgood <firxen@gmail.com> parents: 125 diff changeset	171 image_right = imagecache.load_image(self.IMAGE_FILE, ("right_facing",))
53 f20dd3dcb118 foxes don't run backwards Adrianna Pińska <adrianna.pinska@gmail.com> parents: 47 diff changeset	172 Animal.__init__(self, image_left, image_right, pos)
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	173 self.landmarks = [self.pos]
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	174 self.hunting = True
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	175 self.dig_pos = None
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	176 self.tick = 0
122 d2b19131d537 Don't continue the night if we're not doing anything anymore Neil Muller <drnlmuller@gmail.com> parents: 116 diff changeset	177 self.safe = False
145 490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	178 self.closest = None
149 2a1064fae608 More memory for the foxes, to ensure we avoid short loops Neil Muller <drnlmuller@gmail.com> parents: 146 diff changeset	179 self.last_steps = []
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	180
82 bf28f499c6b4 Tweak fox avoidance behaviour Neil Muller <drnlmuller@gmail.com> parents: 72 diff changeset	181 def _cost_tile(self, pos, gameboard):
bf28f499c6b4 Tweak fox avoidance behaviour Neil Muller <drnlmuller@gmail.com> parents: 72 diff changeset	182 if gameboard.in_bounds(pos):
bf28f499c6b4 Tweak fox avoidance behaviour Neil Muller <drnlmuller@gmail.com> parents: 72 diff changeset	183 this_tile = gameboard.tv.get(pos.to_tuple())
bf28f499c6b4 Tweak fox avoidance behaviour Neil Muller <drnlmuller@gmail.com> parents: 72 diff changeset	184 cost = self.costs.get(tiles.TILE_MAP[this_tile], 100)
bf28f499c6b4 Tweak fox avoidance behaviour Neil Muller <drnlmuller@gmail.com> parents: 72 diff changeset	185 else:
bf28f499c6b4 Tweak fox avoidance behaviour Neil Muller <drnlmuller@gmail.com> parents: 72 diff changeset	186 cost = 100 # Out of bounds is expensive
bf28f499c6b4 Tweak fox avoidance behaviour Neil Muller <drnlmuller@gmail.com> parents: 72 diff changeset	187 return cost
bf28f499c6b4 Tweak fox avoidance behaviour Neil Muller <drnlmuller@gmail.com> parents: 72 diff changeset	188
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	189 def _cost_path(self, path, gameboard):
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	190 """Calculate the cost of a path"""
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	191 total = 0
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	192 for pos in path:
82 bf28f499c6b4 Tweak fox avoidance behaviour Neil Muller <drnlmuller@gmail.com> parents: 72 diff changeset	193 total += self._cost_tile(pos, gameboard)
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	194 return total
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	195
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	196 def _gen_path(self, start_pos, final_pos):
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	197 """Construct a direct path from start_pos to final_pos,
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	198 excluding start_pos"""
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	199 if abs(start_pos.x - final_pos.x) < 2 and \
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	200 abs(start_pos.y - final_pos.y) < 2:
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	201 # pgu gets this case wrong on occasion.
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	202 return [final_pos]
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	203 start = start_pos.to_tuple()
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	204 end = final_pos.to_tuple()
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	205 points = getline(start, end)
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	206 points.remove(start) # exclude start_pos
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	207 if end not in points:
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	208 # Rounding errors in getline cause this
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	209 points.append(end)
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	210 return [Position(x[0], x[1]) for x in points]
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	211
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	212 def _find_best_path_step(self, final_pos, gameboard):
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	213 """Find the cheapest path to final_pos, and return the next step
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	214 along the path."""
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	215 # We calculate the cost of the direct path
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	216 direct_path = self._gen_path(self.pos, final_pos)
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	217 min_cost = self._cost_path(direct_path, gameboard)
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	218 min_path = direct_path
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	219 # is there a point nearby that gives us a cheaper direct path?
71 00cf9d7f22dc Expand comment Neil Muller <drnlmuller@gmail.com> parents: 70 diff changeset	220 # This is delibrately not finding the optimal path, as I don't
00cf9d7f22dc Expand comment Neil Muller <drnlmuller@gmail.com> parents: 70 diff changeset	221 # want the foxes to be too intelligent, although the implementation
00cf9d7f22dc Expand comment Neil Muller <drnlmuller@gmail.com> parents: 70 diff changeset	222 # isn't well optimised yet
82 bf28f499c6b4 Tweak fox avoidance behaviour Neil Muller <drnlmuller@gmail.com> parents: 72 diff changeset	223 poss = [Position(x, y) for x in range(self.pos.x - 3, self.pos.x + 4)
bf28f499c6b4 Tweak fox avoidance behaviour Neil Muller <drnlmuller@gmail.com> parents: 72 diff changeset	224 for y in range(self.pos.y - 3, self.pos.y + 4)
bf28f499c6b4 Tweak fox avoidance behaviour Neil Muller <drnlmuller@gmail.com> parents: 72 diff changeset	225 if (x, y) != (0,0)]
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	226 for start in poss:
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	227 cand_path = self._gen_path(self.pos, start) + \
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	228 self._gen_path(start, final_pos)
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	229 cost = self._cost_path(cand_path, gameboard)
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	230 if cost < min_cost:
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	231 min_cost = cost
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	232 min_path = cand_path
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	233 if not min_path:
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	234 return final_pos
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	235 return min_path[0]
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	236
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	237 def _find_path_to_woodland(self, gameboard):
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	238 """Dive back to woodland through the landmarks"""
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	239 # find the closest point to our current location in walked path
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	240 if self.pos == self.landmarks[-1]:
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	241 if len(self.landmarks) > 1:
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	242 self.landmarks.pop() # Moving to the next landmark
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	243 else:
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	244 # Safely back at the start
122 d2b19131d537 Don't continue the night if we're not doing anything anymore Neil Muller <drnlmuller@gmail.com> parents: 116 diff changeset	245 self.safe = True
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	246 return self.pos
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	247 return self._find_best_path_step(self.landmarks[-1], gameboard)
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	248
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	249 def _find_path_to_chicken(self, gameboard):
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	250 """Find the path to the closest chicken"""
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	251 # Find the closest chicken
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	252 min_dist = 999
145 490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	253 if self.closest not in gameboard.chickens:
490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	254 # Either no target, or someone ate it
490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	255 for chicken in gameboard.chickens:
490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	256 dist = chicken.pos.dist(self.pos)
490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	257 if chicken.abode:
490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	258 dist += 10 # Prefer free-ranging chickens
490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	259 if dist < min_dist:
490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	260 min_dist = dist
490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	261 self.closest = chicken
490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	262 if not self.closest:
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	263 # No more chickens, so leave
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	264 self.hunting = False
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	265 return self.pos
145 490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	266 if self.closest.pos == self.pos:
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	267 # Caught a chicken
145 490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	268 self._catch_chicken(self.closest, gameboard)
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	269 return self.pos
145 490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	270 return self._find_best_path_step(self.closest.pos, gameboard)
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	271
92 bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	272 def _catch_chicken(self, chicken, gameboard):
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	273 """Catch a chicken"""
98 725b292ca07b Added sounds killing foxes and chickens, and nightfall David Fraser <davidf@sjsoft.com> parents: 92 diff changeset	274 sound.play_sound("kill-chicken.ogg")
145 490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	275 self.closest = None
92 bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	276 gameboard.remove_chicken(chicken)
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	277 self.hunting = False
149 2a1064fae608 More memory for the foxes, to ensure we avoid short loops Neil Muller <drnlmuller@gmail.com> parents: 146 diff changeset	278 self.last_steps = [] # Forget history here
92 bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	279
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	280 def _update_pos(self, gameboard, new_pos):
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	281 """Update the position, making sure we don't step on other foxes"""
145 490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	282 if new_pos == self.pos:
490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	283 # We're not moving, so we can skip all the checks
149 2a1064fae608 More memory for the foxes, to ensure we avoid short loops Neil Muller <drnlmuller@gmail.com> parents: 146 diff changeset	284 return new_pos
2a1064fae608 More memory for the foxes, to ensure we avoid short loops Neil Muller <drnlmuller@gmail.com> parents: 146 diff changeset	285 final_pos = new_pos
2a1064fae608 More memory for the foxes, to ensure we avoid short loops Neil Muller <drnlmuller@gmail.com> parents: 146 diff changeset	286 blocked = final_pos in self.last_steps
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	287 moves = [Position(x, y) for x in range(self.pos.x-1, self.pos.x + 2)
82 bf28f499c6b4 Tweak fox avoidance behaviour Neil Muller <drnlmuller@gmail.com> parents: 72 diff changeset	288 for y in range(self.pos.y-1, self.pos.y + 2)
149 2a1064fae608 More memory for the foxes, to ensure we avoid short loops Neil Muller <drnlmuller@gmail.com> parents: 146 diff changeset	289 if Position(x,y) != self.pos and \
2a1064fae608 More memory for the foxes, to ensure we avoid short loops Neil Muller <drnlmuller@gmail.com> parents: 146 diff changeset	290 Position(x, y) not in self.last_steps]
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	291 for fox in gameboard.foxes:
149 2a1064fae608 More memory for the foxes, to ensure we avoid short loops Neil Muller <drnlmuller@gmail.com> parents: 146 diff changeset	292 if fox is not self and fox.pos == final_pos:
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	293 blocked = True
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	294 if fox.pos in moves:
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	295 moves.remove(fox.pos)
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	296 if blocked:
82 bf28f499c6b4 Tweak fox avoidance behaviour Neil Muller <drnlmuller@gmail.com> parents: 72 diff changeset	297 # find the cheapest point in moves to new_pos that's not blocked
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	298 final_pos = None
82 bf28f499c6b4 Tweak fox avoidance behaviour Neil Muller <drnlmuller@gmail.com> parents: 72 diff changeset	299 min_cost = 1000
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	300 for poss in moves:
82 bf28f499c6b4 Tweak fox avoidance behaviour Neil Muller <drnlmuller@gmail.com> parents: 72 diff changeset	301 cost = self._cost_tile(poss, gameboard)
bf28f499c6b4 Tweak fox avoidance behaviour Neil Muller <drnlmuller@gmail.com> parents: 72 diff changeset	302 if cost < min_cost:
bf28f499c6b4 Tweak fox avoidance behaviour Neil Muller <drnlmuller@gmail.com> parents: 72 diff changeset	303 min_cost = cost
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	304 final_pos = poss
149 2a1064fae608 More memory for the foxes, to ensure we avoid short loops Neil Muller <drnlmuller@gmail.com> parents: 146 diff changeset	305 if not final_pos:
2a1064fae608 More memory for the foxes, to ensure we avoid short loops Neil Muller <drnlmuller@gmail.com> parents: 146 diff changeset	306 # No good choice, so stay put
2a1064fae608 More memory for the foxes, to ensure we avoid short loops Neil Muller <drnlmuller@gmail.com> parents: 146 diff changeset	307 return self.pos
72 aa4bd93575d9 Fix some bound checking and tweak movement costs Neil Muller <drnlmuller@gmail.com> parents: 71 diff changeset	308 if gameboard.in_bounds(final_pos):
aa4bd93575d9 Fix some bound checking and tweak movement costs Neil Muller <drnlmuller@gmail.com> parents: 71 diff changeset	309 this_tile = gameboard.tv.get(final_pos.to_tuple())
aa4bd93575d9 Fix some bound checking and tweak movement costs Neil Muller <drnlmuller@gmail.com> parents: 71 diff changeset	310 else:
aa4bd93575d9 Fix some bound checking and tweak movement costs Neil Muller <drnlmuller@gmail.com> parents: 71 diff changeset	311 this_tile = tiles.REVERSE_TILE_MAP['woodland']
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	312 if tiles.TILE_MAP[this_tile] == 'broken fence' and self.hunting:
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	313 # We'll head back towards the holes we make/find
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	314 self.landmarks.append(final_pos)
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	315 elif tiles.TILE_MAP[this_tile] == 'fence' and not self.dig_pos:
92 bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	316 self._dig(final_pos)
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	317 return self.pos
149 2a1064fae608 More memory for the foxes, to ensure we avoid short loops Neil Muller <drnlmuller@gmail.com> parents: 146 diff changeset	318 self.last_steps.append(final_pos)
2a1064fae608 More memory for the foxes, to ensure we avoid short loops Neil Muller <drnlmuller@gmail.com> parents: 146 diff changeset	319 if len(self.last_steps) > 3:
2a1064fae608 More memory for the foxes, to ensure we avoid short loops Neil Muller <drnlmuller@gmail.com> parents: 146 diff changeset	320 self.last_steps.pop(0)
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	321 return final_pos
28 ac3a74352b74 Change animal.py to four space indents. Simon Cross <hodgestar@gmail.com> parents: 25 diff changeset	322
92 bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	323 def _dig(self, dig_pos):
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	324 """Setup dig parameters, to be overridden if needed"""
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	325 self.tick = 5
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	326 self.dig_pos = dig_pos
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	327
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	328 def _make_hole(self, gameboard):
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	329 """Make a hole in the fence"""
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	330 gameboard.tv.set(self.dig_pos.to_tuple(),
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	331 tiles.REVERSE_TILE_MAP['broken fence'])
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	332 self.dig_pos = None
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	333
28 ac3a74352b74 Change animal.py to four space indents. Simon Cross <hodgestar@gmail.com> parents: 25 diff changeset	334 def move(self, gameboard):
ac3a74352b74 Change animal.py to four space indents. Simon Cross <hodgestar@gmail.com> parents: 25 diff changeset	335 """Foxes will aim to move towards the closest henhouse or free
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	336 chicken"""
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	337 if self.dig_pos:
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	338 if self.tick:
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	339 self.tick -= 1
92 bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	340 # We're still digging through the fence
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	341 # Check the another fox hasn't dug a hole for us
92 bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	342 # We're too busy digging to notice if a hole appears nearby,
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	343 # but we'll notice if the fence we're digging vanishes
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	344 this_tile = gameboard.tv.get(self.dig_pos.to_tuple())
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	345 if tiles.TILE_MAP[this_tile] == 'broken fence':
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	346 self.tick = 0
92 bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	347 return
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	348 else:
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	349 # We've dug through the fence, so make a hole
92 bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	350 self._make_hole(gameboard)
70 d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	351 return
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	352 if self.hunting:
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	353 desired_pos = self._find_path_to_chicken(gameboard)
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	354 else:
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	355 desired_pos = self._find_path_to_woodland(gameboard)
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	356 final_pos = self._update_pos(gameboard, desired_pos)
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	357 self._fix_face(final_pos)
d92a2f973cc4 Make foxes move 'better' and break fences Neil Muller <drnlmuller@gmail.com> parents: 53 diff changeset	358 self.pos = final_pos
92 bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	359
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	360 class NinjaFox(Fox):
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	361 """Ninja foxes are hard to see"""
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	362
114 4c2fbab20abe Foxes are stealthy now. Jeremy Thurgood <firxen@gmail.com> parents: 109 diff changeset	363 STEALTH = 60
130 96c5ef7613b5 NINJA FOXES! Jeremy Thurgood <firxen@gmail.com> parents: 125 diff changeset	364 IMAGE_FILE = 'sprites/ninja_fox.png'
114 4c2fbab20abe Foxes are stealthy now. Jeremy Thurgood <firxen@gmail.com> parents: 109 diff changeset	365
92 bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	366 class DemoFox(Fox):
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	367 """Demolition Foxes destroy fences easily"""
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	368
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	369 class GreedyFox(Fox):
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	370 """Greedy foxes eat more chickens"""
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	371
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	372 def __init__(self, pos):
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	373 Fox.__init__(self, pos)
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	374 self.chickens_eaten = 0
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	375
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	376 def _catch_chicken(self, chicken, gameboard):
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	377 gameboard.remove_chicken(chicken)
145 490ede177f50 Tweak fox behaviour around henhouses. Add some memory to avoid the indecisive fox loop Neil Muller <drnlmuller@gmail.com> parents: 130 diff changeset	378 self.closest = None
92 bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	379 self.chickens_eaten += 1
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	380 if self.chickens_eaten > 2:
bea1b9364583 Refactor Fox so we can have different types. Add a greedy fox Neil Muller <drnlmuller@gmail.com> parents: 84 diff changeset	381 self.hunting = False
149 2a1064fae608 More memory for the foxes, to ensure we avoid short loops Neil Muller <drnlmuller@gmail.com> parents: 146 diff changeset	382 self.last_steps = []
114 4c2fbab20abe Foxes are stealthy now. Jeremy Thurgood <firxen@gmail.com> parents: 109 diff changeset	383
4c2fbab20abe Foxes are stealthy now. Jeremy Thurgood <firxen@gmail.com> parents: 109 diff changeset	384 def visible(watcher, watchee):
4c2fbab20abe Foxes are stealthy now. Jeremy Thurgood <firxen@gmail.com> parents: 109 diff changeset	385 roll = random.randint(1, 100)
4c2fbab20abe Foxes are stealthy now. Jeremy Thurgood <firxen@gmail.com> parents: 109 diff changeset	386 distance = watcher.pos.dist(watchee.pos) - 1
4c2fbab20abe Foxes are stealthy now. Jeremy Thurgood <firxen@gmail.com> parents: 109 diff changeset	387 return roll > watchee.STEALTH + 10*distance

Mercurial > rinkhals

annotate gamelib/animal.py @ 149:2a1064fae608