summaryrefslogtreecommitdiff
path: root/bubbob/monsters.py
blob: 88983d01db72b253d4b8d02f04da85fc08a751e7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
from __future__ import generators
import random
import gamesrv
import images
import boards
from boards import *
from images import ActiveSprite
from mnstrmap import GreenAndBlue, Bonuses, Ghost
from player import BubPlayer
import bonuses


class Monster(ActiveSprite):
    touchable = 1
    special_prob = 0.2
    shootcls = None
    vx = 2
    vy = 0
    vdir = -1
    is_ghost = 0
    MonsterBonus = bonuses.MonsterBonus

    def __init__(self, mnstrdef, x=None, y=None, dir=None, in_list=None):
        self.mdef = mnstrdef
        self.ptag = None
        if dir is None: dir = mnstrdef.dir
        if x is None: x = mnstrdef.x*CELL
        if y is None: y = mnstrdef.y*CELL
        self.dir = dir
        ActiveSprite.__init__(self, images.sprget(self.imgrange()[0]), x, y)
        self.gen.append(self.waiting())
        if in_list is None:
            in_list = BubPlayer.MonsterList
        self.in_list = in_list
        self.in_list.append(self)
        self.no_shoot_before = 0
        #images.ActiveSprites.remove(self)

    def unlist(self):
        try:
            self.in_list.remove(self)
            return 1
        except ValueError:
            return 0

    def kill(self):
        self.unlist()
        ActiveSprite.kill(self)

    def tagdragon(self):
        lst = bonuses.getvisibledragonlist()
        if lst:
            return random.choice(lst)
        else:
            return None

    def imgrange(self):
        if self.is_ghost:
            if self.dir > 0:
                return Ghost.right
            else:
                return Ghost.left
        elif self.angry:
            if self.dir > 0:
                return self.mdef.right_angry
            else:
                return self.mdef.left_angry
        else:
            if self.dir > 0:
                return self.mdef.right
            else:
                return self.mdef.left

    def imgrange1(self):
        # normally this is self.imgrange()[1]
        lst = self.imgrange()
        return lst[len(lst) > 1]

    def resetimages(self, is_ghost=0):
        self.is_ghost = is_ghost
        if self.gen:
            self.setimages(self.cyclic(self.imgrange(), 3))
        else:  # frozen monster
            self.seticon(images.sprget(self.imgrange()[0]))

    def blocked(self):
        if self.dir < 0:
            x0 = (self.x-1)//16
        else:
            x0 = (self.x+33)//16
        y0 = self.y // 16 + 1
        y1 = (self.y + 31) // 16
        return bget(x0,y0) == '#' or bget(x0,y1) == '#'

    def tryhstep(self):
        if self.blocked():
            self.dir = -self.dir
            self.resetimages()
            return 0
        else:
            self.step(self.vx*self.dir, 0)
            return 1

    def vblocked(self):
        if self.vdir < 0:
            y0 = self.y//16
        else:
            y0 = (self.y+1)//16 + 2
        x0 = self.x // 16
        x1 = self.x // 16 + 1
        x2 = (self.x+31) // 16
        return bget(x0,y0) == '#' or bget(x1,y0) == '#' or bget(x2,y0) == '#'

    def tryvstep(self):
        if self.vblocked():
            self.vdir = -self.vdir
            return 0
        else:
            self.step(0, self.vy*self.vdir)
            self.vertical_warp()
            return 1

    def waiting(self, delay=20):
        for i in range(delay):
            yield None
        self.resetimages()
        self.gen.append(self.default_mode())

    def overlapping(self):
        if self.in_list is BubPlayer.MonsterList:
            for s in self.in_list:
                if (-6 <= s.x-self.x <= 6 and -6 <= s.y-self.y < 6 and
                    #s.dir == self.dir and s.vdir == self.vdir and
                    s.vx == self.vx and s.vy == self.vy and
                    (not s.angry) == (not self.angry)):
                    return s is not self
        return 0

    def walking(self):
        while onground(self.x, self.y):
            yield None
            if random.random() < 0.2 and self.overlapping():
                yield None
            x1 = self.x
            if self.dir > 0:
                x1 += self.vx
            if (x1 & 15) < self.vx and random.random() < self.special_prob:
                self.move(x1 & -16, self.y)
                if self.special():
                    return
            self.tryhstep()
        if self.seedragon():
            self.gen.append(self.hjumping())
        else:
            self.gen.append(self.falling())

    def seedragon(self, dragon=None):
        dragon = dragon or self.tagdragon()
        if dragon is None:
            return False
        return abs(dragon.y - self.y) < 16 and self.dir*(dragon.x-self.x) > 0

    def special(self):
        dragon = self.tagdragon()
        if dragon is None:
            return 0
        if self.seedragon(dragon) and self.shoot():
            return 1
        if dragon.y < self.y-CELL:
           #and abs(dragon.x-self.x) < 2*(self.y-dragon.y):
            for testy in range(self.y-2*CELL, self.y-6*CELL, -CELL):
                if onground(self.x, testy):
                    if random.random() < 0.5:
                        ndir = self.dir
                    elif dragon.x < self.x:
                        ndir = -1
                    else:
                        ndir = 1
                    self.gen.append(self.vjumping(testy, ndir))
                    return 1
        return 0

    def shooting(self, pause):
        for i in range(pause):
            yield None
        self.shootcls(self)
        yield None
        self.gen.append(self.default_mode())

    def shoot(self, pause=10):
        if (self.shootcls is None or
            self.no_shoot_before > BubPlayer.FrameCounter):
            return 0
        else:
            self.gen.append(self.shooting(pause))
            self.no_shoot_before = BubPlayer.FrameCounter + 29
            return 1

    def falling(self):
        bubber = getattr(self, 'bubber', None)
        while not onground(self.x, self.y):
            yield None
            ny = self.y + 3
            if (ny & 15) > 14:
                ny = (ny//16+1)*16
            elif (ny & 15) < 3:
                ny = (ny//16)*16
            nx = self.x
            if nx < 32:
                nx += 1 + (self.vx-1) * (bubber is not None)
            elif nx > boards.bwidth - 64:
                nx -= 1 + (self.vx-1) * (bubber is not None)
            elif bubber:
                dx = bubber.wannago(self.dcap)
                if dx and dx != self.dir:
                    self.dir = dx
                    self.resetimages()
                    self.setimages(None)
                if dx and not self.blocked():
                    nx += self.vx*dx
                    self.seticon(images.sprget(self.imgrange1()))
            self.move(nx, ny)
            if self.y >= boards.bheight:
                self.vertical_warp()
        if bubber:
            nextgen = self.playing_monster
        else:
            nextgen = self.walking
        self.gen.append(nextgen())

##    def moebius(self):
##        self.dir = -self.dir
##        self.resetimages()
##        if hasattr(self, 'dcap'):
##            self.dcap['left2right'] *= -1

    def hjumping(self):
        y0 = self.y
        vspeed = -2.2
        ny = y0-1
        while ny <= y0 and not self.blocked():
            self.move(self.x+2*self.dir, int(ny))
            yield None
            vspeed += 0.19
            ny = self.y + vspeed
        self.gen.append(self.default_mode())

    def vjumping(self, limity, ndir):
        self.setimages(None)
        yield None
        self.dir = -self.dir
        self.seticon(images.sprget(self.imgrange()[0]))
        for i in range(9):
            yield None
        self.dir = -self.dir
        self.seticon(images.sprget(self.imgrange()[0]))
        for i in range(4):
            yield None
        self.dir = ndir
        self.seticon(images.sprget(self.imgrange1()))
        for ny in range(self.y-4, limity-4, -4):
            self.move(self.x, ny)
            if ny < -32:
                self.vertical_warp()
            yield None
        self.resetimages()
        self.gen.append(self.default_mode())

    def regular(self):
        return self.still_playing() and self.touchable and not self.is_ghost

    def still_playing(self):
        return (self.in_list is BubPlayer.MonsterList and
                self in self.in_list)

    def touched(self, dragon):
        if self.gen:
            self.killdragon(dragon)
            if self.is_ghost and not hasattr(self, 'bubber'):
                self.gen = [self.default_mode()]
                self.resetimages()
        else:
            self.argh(getattr(self, 'poplist', None))  # frozen monster

    def killdragon(self, dragon):
        dragon.die()

    def in_bubble(self, bubble):
        if not hasattr(self.mdef, 'jailed'):
            return
        self.untouchable()
        self.angry = []
        bubble.move(self.x, self.y)
        if not hasattr(bubble, 'withmonster'):
            bubble.to_front()
        self.to_front()
        img = self.mdef.jailed
        self.gen = [self.bubbling(bubble)]
        self.setimages(self.cyclic([img[1], img[2], img[1], img[0]], 4))

    def bubbling(self, bubble):
        counter = 0
        while not hasattr(bubble, 'poplist'):
            self.move(bubble.x, bubble.y)
            yield None
            counter += 1
            if counter == 50 and hasattr(self, 'bubber'):
                bubble.setimages(bubble.bubble_red())
        if bubble.poplist is None:
            self.touchable = 1
            self.angry = [self.genangry()]
            self.resetimages()
            self.gen.append(self.default_mode())
        else:
            previous_len = len(BubPlayer.MonsterList)
            self.argh(bubble.poplist)
            dragon = bubble.poplist[0]
            if dragon is not None:
                if previous_len and not BubPlayer.MonsterList:
                    points = 990
                else:
                    points = 90
                dragon.bubber.givepoints(points)

    def argh(self, poplist=None, onplace=0):
        if self not in self.in_list:
            return
        if not poplist:
            poplist = [None]
        poplist.append(self)
        level = len(poplist) - 2
        bonuses.BonusMaker(self.x, self.y, self.mdef.dead, onplace=onplace,
                           outcome=(self.MonsterBonus, level))
        self.kill()

    def freeze(self, poplist):
        # don't freeze monsters largely out of screen, or they'll never come in
        if self.regular() and -self.ico.h < self.y < boards.bheight:
            self.gen = []
            self.poplist = poplist

    def flying(self):
        blocked = 0
        while 1:
            if random.random() < 0.2 and self.overlapping():
                yield None
            hstep = self.tryhstep()
            vstep = self.tryvstep()
            if hstep or vstep:
                blocked = 0
            elif blocked:
                # blocked! go up or back to the play area
                if self.x < 32:
                    self.step(self.vy, 0)
                elif self.x > boards.bwidth - 64:
                    self.step(-self.vy, 0)
                else:
                    self.step(0, -self.vy)
                    self.vertical_warp()
            else:
                blocked = 1
            yield None

    def becoming_monster(self, big=0, immed=0):
        if big:
            self.is_ghost = 1
            self.seticon(images.sprget(self.imgrange()[0]))
            images.Snd.Hell.play()
        for i in range(5):
            ico = self.ico
            self.seticon(self.bubber.icons[11 + immed, self.dir])
            yield None
            yield None
            self.seticon(ico)
            yield None
            yield None
        self.resetimages(is_ghost=big)
        self.gen.append(self.playing_monster())

    def become_monster(self, bubber, saved_caps, big=0, immed=0):
        self.timeoutgen = self.back_to_dragon()
        self.default_mode = self.playing_monster
        self.bubber = bubber
        self.dcap = saved_caps
        self.gen = [self.becoming_monster(big, immed)]

    def back_to_dragon(self):
        for t in range(259):
            yield None
            if bonuses.getdragonlist():
                yield None
                yield None
                yield None
        from player import Dragon
        d = Dragon(self.bubber, self.x, self.y, self.dir, self.dcap)
        d.dcap['shield'] = 50
        self.bubber.dragons.append(d)
        self.kill()

    def playing_monster(self):
        if self.timeoutgen not in self.gen:
            self.gen.append(self.timeoutgen)
        bubber = self.bubber
        while self.is_ghost:
            # ghost
            self.angry = []
            key, dx, dy = max([(bubber.key_left, -1, 0),
                               (bubber.key_right, 1, 0),
                               (bubber.key_jump, 0, -1),
                               (bubber.key_fire, 0, 1)])
            if key:
                if dx and self.dir != dx:
                    self.dir = dx
                    self.resetimages(is_ghost=1)
                nx = self.x + 10*dx
                ny = self.y + 9*dy
                if nx < 0: nx = 0
                if nx > boards.bwidth-2*CELL: nx = boards.bwidth-2*CELL
                if ny < -CELL: ny = -CELL
                if ny > boards.bheight-CELL: ny = boards.bheight-CELL
                self.move(nx, ny)
            yield None
        if self.vy:
            # flying monster
            while 1:
                dx = bubber.wannago(self.dcap)
                if dx and dx != self.dir:
                    self.dir = dx
                    self.resetimages()
                if bubber.key_jump and bubber.key_jump > bubber.key_fire:
                    dy = self.vdir = -1
                elif bubber.key_fire:
                    dy = self.vdir = 1
                else:
                    dy = 0
                hstep = dx and self.tryhstep()
                vstep = dy and self.tryvstep()
                if dx and dy and not (hstep or vstep):
                    # blocked?
                    self.dir = -self.dir
                    self.vdir = -self.vdir
                    blocked = self.blocked() and self.vblocked()
                    self.dir = -self.dir
                    self.vdir = -self.vdir
                    if blocked:
                        # completely blocked! accept move or force back to
                        # play area
                        if self.x < 32:
                            self.step(self.vy, 0)
                        elif self.x > boards.bwidth - 64:
                            self.step(-self.vy, 0)
                        else:
                            self.step(self.vx*dx, self.vy*dy)
                            self.vertical_warp()
                yield None
        elif not isinstance(self, Springy):
            # walking monster
            jumping_y = 0
            imgsetter = self.imgsetter
            while onground(self.x, self.y) or jumping_y:
                dx = bubber.wannago(self.dcap)
                if dx and dx != self.dir:
                    self.dir = dx
                    self.resetimages()
                    imgsetter = self.imgsetter
                if dx and not self.blocked():
                    self.step(self.vx*dx, 0)
                    if not jumping_y:
                        self.setimages(imgsetter)
                    else:
                        self.seticon(images.sprget(self.imgrange1()))
                        self.setimages(None)
                else:
                    self.setimages(None)
                    dx = 0
                yield None
                if not jumping_y:
                    wannafire = bubber.key_fire
                    wannajump = bubber.key_jump
                    if wannafire and self.shoot(1):
                        return
                    if wannajump:
                        jumping_y = CELL
                if jumping_y:
                    self.step(0, -4)
                    if self.y < -32:
                        self.vertical_warp()
                    if onground(self.x, self.y):
                        jumping_y = 0
                    else:
                        jumping_y -= 1
            self.gen.append(self.falling())
        else:
            # springy
            if not onground(self.x, self.y):
                self.gen.append(self.falling())
                return
            prevx = self.x
            for t in self.walking():
                dx = bubber.wannago(self.dcap)
                if dx:
                    if dx != self.dir:
                        self.dir = dx
                        self.resetimages()
                    if self.blocked() and (self.x-prevx)*dx <= 0:
                        dx = 0
                    self.move(prevx + self.vx*dx, self.y)
                yield None
                prevx = self.x

    def become_ghost(self):
        self.gen = [self.ghosting()]
        self.resetimages(is_ghost=1)

    def ghosting(self):
        counter = 0
        while counter < 5:
            for i in range(50):
                yield None
            dragon = self.tagdragon()
            if dragon is None:
                counter += 1
            else:
                counter = 0
                px, py = dragon.x, dragon.y
                if abs(px-self.x) < abs(py-self.y):
                    dx = 0
                    if py > self.y:
                        dy = 1
                    else:
                        dy = -1
                else:
                    dy = 0
                    if px > self.x:
                        dx = 1
                    else:
                        dx = -1
                    self.dir = dx
                    self.resetimages(is_ghost=1)
                dx *= 10
                dy *= 9
                distance = 1E10
                while 1:
                    self.angry = []
                    self.step(dx, dy)
                    yield None
                    dist1 = (px-self.x)*(px-self.x)+(py-self.y)*(py-self.y)
                    if dist1 > distance:
                        break
                    distance = dist1
        self.angry = []
        self.gen = [self.default_mode()]
        self.resetimages()

    default_mode = falling


def argh_em_all():
    poplist = [None]
    for s in images.ActiveSprites[:]:
        if isinstance(s, Monster):
            s.argh(poplist)

def freeze_em_all():
    poplist = [None]
    for s in images.ActiveSprites:
        if isinstance(s, Monster):
            s.freeze(poplist)


class MonsterShot(ActiveSprite):
    speed = 6
    touchable = 1
    
    def __init__(self, owner, dx=CELL, dy=0):
        self.owner = owner
        self.speed = owner.dir * self.speed
        if owner.dir < 0:
            nimages = owner.mdef.left_weapon
        else:
            nimages = owner.mdef.right_weapon
        ActiveSprite.__init__(self, images.sprget(nimages[0]),
                              owner.x, owner.y + dy)
        self.step((owner.ico.w - self.ico.w) // 2,
                  (owner.ico.h - self.ico.h) // 2)
        if not self.blocked():
            self.step(dx*owner.dir, 0)
        if len(nimages) > 1:
            self.setimages(self.cyclic(nimages, 3))
        self.gen.append(self.moving())

    def blocked(self):
        if self.speed < 0:
            x0 = (self.x-self.speed-8)//16
        else:
            x0 = (self.x+self.ico.w+self.speed-8)//16
        y0 = (self.y+8) // 16 + 1
        return not (' ' == bget(x0,y0) == bget(x0+1,y0))

    def moving(self):
        while not self.blocked():
            yield None
            self.step(self.speed, 0)
        self.hitwall()

    def hitwall(self):
        self.untouchable()
        self.gen.append(self.die(self.owner.mdef.decay_weapon, 2))

    def touched(self, dragon):
        dragon.die()


class BoomerangShot(MonsterShot):
    speed = 8
    
    def hitwall(self):
        self.gen.append(self.moveback())

    def moveback(self):
        owner = self.owner
        if self.speed > 0:
            nimages = owner.mdef.left_weapon
        else:
            nimages = owner.mdef.right_weapon
        self.setimages(self.cyclic(nimages, 3))
        while (owner.x-self.x) * self.speed < 0:
            yield None
            self.step(-self.speed, 0)
            if self.blocked():
                break
        self.kill()

class FastShot(MonsterShot):
    speed = 15


class DownShot(MonsterShot):

    def __init__(self, owner):
        MonsterShot.__init__(self, owner, 0, CELL)

    def moving(self):
        while self.y < boards.bheight:
            yield None
            self.step(0, 7)
        self.kill()


##class DragonShot(MonsterShot):
##    speed = 8

##    def __init__(self, owner):
##        MonsterShot.__init__(self, owner)
##        self.untouchable()
##        self.gen.append(self.touchdelay(4))

##    def touched(self, dragon):
##        if dragon is not self.owner:
##            if dragon.bubber.bonbons == 0:
##                dragon.die()
##            else:
##                from player import scoreboard
##                from bonuses import Sugar1, Sugar2
##                from bonuses import BonusMaker
##                if random.random() < 0.2345:
##                    start = 1
##                else:
##                    start = 0
##                loose = min(2, dragon.bubber.bonbons)
##                for i in range(start, loose):
##                    cls = random.choice([Sugar1, Sugar2])
##                    BonusMaker(self.x, self.y, [cls.nimage],
##                               outcome=(cls,))
##                dragon.bubber.bonbons -= loose
##                scoreboard()
##                dragon.dcap['shield'] = 25
##                self.owner.play(images.Snd.Yippee)
##                self.kill()

##    def blocked(self):
##        return self.x < -self.ico.w or self.x >= gamesrv.game.width
##        #return self.x < CELL or self.x >= boards.bwidth - 3*CELL


class Nasty(Monster):
    pass

class Monky(Monster):
    shootcls = MonsterShot

class Ghosty(Monster):
    default_mode = Monster.flying
    vy = 2

class Flappy(Monster):
    default_mode = Monster.flying
    vy = 1

class Springy(Monster):
    spring_down = 0
    def imgrange(self):
        if self.spring_down and not self.is_ghost:
            if self.angry:
                if self.dir > 0:
                    r = self.mdef.right_jump_angry
                else:
                    r = self.mdef.left_jump_angry
            else:
                if self.dir > 0:
                    r = self.mdef.right_jump
                else:
                    r = self.mdef.left_jump
            return [r[self.spring_down-1]]
        else:
            return Monster.imgrange(self)
    def walking(self):
        self.spring_down = 1
        self.resetimages()
        for t in range(2+self.overlapping()):
            yield None
        self.spring_down = 2
        self.resetimages()
        for t in range(4+2*self.overlapping()):
            yield None
        self.spring_down = 1
        self.resetimages()
        for t in range(2+self.overlapping()):
            yield None
        self.spring_down = 0
        self.resetimages()
        g = 10.0/43
        vy = -20*g
        yf = self.y
        for t in range(40):
            yf += vy
            vy += g
            if self.blocked():
                self.dir = -self.dir
                self.resetimages()
            nx = self.x + self.dir*self.vx
            if self.y//16 < int(yf)//16:
                if onground(self.x, (self.y//16+1)*16):
                    break
                if onground(nx, (self.y//16+1)*16):
                    self.move(nx, self.y)
                    break
            nx, yf = vertical_warp(nx, yf)
            self.move(nx, int(yf))
##            if moebius:
##                self.moebius()
            yield None
        self.gen.append(self.falling())

class Orcy(Monster):
    shootcls = FastShot

class Gramy(Monster):
    shootcls = BoomerangShot
    vx = 3

class Blitzy(Monster):
    shootcls = DownShot
    vx = 3

    def seedragon(self, dragon=None):
        return 0

    def special(self):
        if random.random() < 0.3:
            self.shootcls(self)
        return 0

    def shoot(self, pause=0):
        # no pause (only used when controlled by the player)
        if self.no_shoot_before > BubPlayer.FrameCounter:
            pass
        else:
            self.shootcls(self)
            self.no_shoot_before = BubPlayer.FrameCounter + 29
        return 0

MonsterClasses = [c for c in globals().values()
                  if type(c)==type(Monster) and issubclass(c, Monster)]
MonsterClasses.remove(Monster)


class Butterfly(Monster):
    MonsterBonus = bonuses.IceMonsterBonus
    fly_away = False

    def waiting(self, delay=0):
        return Monster.waiting(self, delay)

    def imgrange(self):
        self.angry = []
        return Monster.imgrange(self)

    def killdragon(self, dragon):
        if self.is_ghost:
            Monster.killdragon(self, dragon)
        else:
            self.fly_away = True, dragon.x

    def flying(self):
        repeat = 0
        while 1:
            r = random.random()
            if self.x < 64:
                bump = self.dir < 0
            elif self.x > boards.bwidth - 64:
                bump = self.dir > 0
            elif self.fly_away:
                wannago = self.x - self.fly_away[1]
                if self.x < 100:
                    wannago = 1
                elif self.x > boards.bwidth - 100:
                    wannago = -1
                bump = self.dir * wannago < 0
                if repeat:
                    self.fly_away = False
                    repeat = 0
                else:
                    repeat = 1
            else:
                bump = r < 0.07
            if bump:
                self.dir = -self.dir
                self.resetimages()
            elif r > 0.92:
                self.vdir = -self.vdir
            self.step(self.dir * (2 + (r < 0.5)), self.vdir * 2)
            self.vertical_warp()
            if not repeat:
                yield None

    default_mode = flying


class Sheep(Monster):

    def playing_monster(self):
        from bonuses import Bonus
        bubber = self.bubber
        vy = None
        imgsetter = self.imgsetter
        poplist = [None]
        while 1:
            dx = bubber.wannago(self.dcap)
            if dx and dx != self.dir:
                self.dir = dx
                self.resetimages()
                imgsetter = self.imgsetter
            if dx and vy is None:
                self.setimages(imgsetter)
            else:
                self.setimages(None)
                if vy is not None:
                    if vy < 0:
                        n = 1
                    else:
                        n = 3
                    self.seticon(images.sprget(self.imgrange()[n]))
            if dx and not self.blocked():
                self.step(self.vx*dx, 0)
            yield None
            impulse = 0.0
            wannajump = bubber.key_jump
            if vy is not None:
                vy += 0.33
                if vy > 12.0:
                    vy = 12.0
                yf = self.y + yfp + vy
                yfp = yf - int(yf)
                delta = int(yf) - self.y
                if delta > 0:
                    by_y = {}
                    for s in images.ActiveSprites:
                        if isinstance(s, Bonus) and s.touchable:
                            if abs(s.x - self.x) <= 22:
                                by_y[s.y] = s
                    for monster in BubPlayer.MonsterList:
                        if abs(monster.x - self.x) <= 22:
                            if monster.regular():
                                by_y[monster.y] = monster
                    for ny in range(self.y - 1, self.y + delta + 1):
                        self.move(self.x, ny)
                        self.vertical_warp()
                        if onground(self.x, self.y):
                            poplist = [None]
                            impulse = vy
                            vy = None
                            break
                        key = self.y + 29
                        if key in by_y:
                            s = by_y[key]
                            if isinstance(s, Monster):
                                self.play(images.Snd.Extra)
                                s.argh(poplist)
                            elif isinstance(s, Bonus):
                                s.reallytouched(self)
                            yfp = 0.0
                            vy = -3.3
                            break
                else:
                    self.step(0, delta)
                    self.vertical_warp()
            if vy is None:
                if onground(self.x, self.y):
                    if wannajump:
                        yfp = 0.0
                        vy = - max(1.0, impulse) - 2.02
                        impulse = 0.0
                        self.play(images.Snd.Jump)
                else:
                    yfp = vy = 0.0
            if impulse > 8.1:
                break
        self.play(images.Snd.Pop)
        for n in range(2):
            for letter in 'abcdefg':
                ico = images.sprget(('sheep', letter))
                nx = self.x + random.randrange(-1, self.ico.w - ico.w + 2)
                ny = self.y + random.randrange(0, self.ico.h - ico.h + 2)
                dxy = [random.random() * 5.3 - 2.65, random.random() * 4 - 4.4]
                s = images.ActiveSprite(ico, nx, ny)
                s.gen.append(s.parabolic(dxy))
                s.gen.append(s.die([None], random.randrange(35, 54)))
        self.move(-99, 0)
        for t in range(68):
            yield None
        self.kill()

    default_mode = falling = playing_monster

    def argh(self, *args, **kwds):
        pass