-
Notifications
You must be signed in to change notification settings - Fork 4
/
projectile.c
857 lines (828 loc) · 42.6 KB
/
projectile.c
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
#include <SDL.h>
#include <SDL_image.h>
#include <math.h>
#include "main.h"
#include "character.h"
#include "projectile.h"
#include "blit.h"
#include "imgload.h"
#include "bg.h"
#include "SDL_rotozoom.h"
#include "music.h"
/** Kirajzolja a lövedékeket */
void Draw_projectiles(struct projectile *projs, SDL_Surface *screen) {
struct projectile *p = projs;
for(p = projs; p!=NULL; p=p->next) {
if(p->exp == false && p->vanish == false) {
switch (p->type) {
case arrow:
if(p->dir == right) {
SDL_Surface *current = RotateSurface(p->r_proj[p->state], -atan2(p->vy, p->v) * 180 / M_PI);
SDL_Rect srcRect = { p->x, p->y, current->w, current->h };
BlitSurface (current, 0, screen, &srcRect);
SDL_FreeSurface(current);
BlitSurface(p->shadow, NULL, screen, &(p->shadowRect));
} else {
SDL_Surface *current = RotateSurface(p->l_proj[p->state], atan2(p->vy, p->v) * 180 / M_PI);
SDL_Rect srcRect = { p->x, p->y, current->w, current->h };
BlitSurface (current, 0, screen, &srcRect);
SDL_FreeSurface(current);
BlitSurface(p->shadow, NULL, screen, &(p->shadowRect));
}
break;
default:
if(p->proj_max != 0) {
if(p->dir == right) {
SDL_Rect srcRect = { p->x, p->y, p->r_proj[p->state]->w, p->r_proj[p->state]->h };
BlitSurface (p->r_proj[p->state], 0, screen, &srcRect);
BlitSurface(p->shadow, NULL, screen, &(p->shadowRect));
} else {
SDL_Rect srcRect = { p->x, p->y, p->l_proj[p->state]->w, p->l_proj[p->state]->h };
BlitSurface (p->l_proj[p->state], 0, screen, &srcRect);
BlitSurface(p->shadow, NULL, screen, &(p->shadowRect));
}
}
}
} else if(p->vanish == true) { // Ha a nyilvessző eltört
if(p->vanish_max != 0) {
if(p->dir == right) {
SDL_Surface *current = RotateSurface(p->r_vanish[0], -p->state * 18);
// Ugyan az a trükközés mint az Animate_Flare -> case flip:-nél
p->x -= current->w/2 - p->x2;
p->y -= current->h/2 - p->y2;
p->x2 = current->w/2;
p->y2 = current->h/2;
SDL_Rect srcRect = { p->x, p->y, current->w, current->h };
BlitSurface(current, NULL, screen, &srcRect);
BlitSurface(p->shadow, NULL, screen, &(p->shadowRect));
SDL_FreeSurface(current);
} else {
SDL_Surface *current = RotateSurface(p->l_vanish[0], p->state * 18);
p->x -= current->w/2 - p->x2;
p->y -= current->h/2 - p->y2;
p->x2 = current->w/2;
p->y2 = current->h/2;
SDL_Rect srcRect = { p->x, p->y, current->w, current->h };
BlitSurface(current, NULL, screen, &srcRect);
BlitSurface(p->shadow, NULL, screen, &(p->shadowRect));
SDL_FreeSurface(current);
}
}
} else {
if(p->exp_max != 0) {
if(p->dir == right) {
SDL_Rect srcRect = { p->x, p->y, p->r_exp[p->state]->w, p->r_exp[p->state]->h };
BlitSurface (p->r_exp[p->state], 0, screen, &srcRect);
} else {
SDL_Rect srcRect = { p->x, p->y, p->l_exp[p->state]->w, p->l_exp[p->state]->h };
BlitSurface (p->l_exp[p->state], 0, screen, &srcRect);
}
}
}
}
}
/** Animálja (és mozgatja) a lövedékeket. Ha azok kimentek a
* képernyőről akkor pedig megszünteti őket */
void Animate_projectiles(int Tick, struct projectile **projs) {
struct projectile *p = *projs;
while (p != NULL) {
if(p->exp == false && p->vanish == false) {
switch (p->type) {
case jump_attack_proj:
if(Tick%5 == 0) {
p->state++;
if(p->state == p->proj_max)
p->state = 0;
}
p->y += p->v * (int)round(scale);
p = p->next;
break;
case jump_attack2_proj:
if(Tick%5 == 0) {
p->state++;
if(p->state == p->proj_max)
p->state = 0;
}
// A lövedék a kurzor felé mozog, nagyjából 7 pixel / sec sebességgel, a képlet a pitagorasz-tételből jön ki
// Muszály 2-2 double értéket használni erre mert int értékekkel baromi nagy lenne a torzitás
// Fontos még hogy a kurzor világkoordináltáira van szükség, nem a képernyőhöz képestire
// Ja, és elfajuló háromszögre nem működik (csak 5 helyen oszt nullával)
double a = p->x2 - (p->x3 + TerrainRect.x), b = p->y2 - p->y3;
if(fabs(a) > pow(10, -5) && fabs(b) > pow(10, -5)) { //Lebegő pontos érték, az == 0 vizsgálat nem működik
if(b > 0) {
p->x3 += ( a/b * sqrt( p->v*p->v / ( (a/b)*(a/b) + 1 ) ) ) * (int)round(scale);
p->y3 += sqrt( p->v*p->v / ( (a/b)*(a/b) + 1 ) ) * (int)round(scale);
} else {
p->x3 -= ( a/b * sqrt( p->v*p->v / ( (a/b)*(a/b) + 1 ) ) ) * (int)round(scale);
p->y3 -= sqrt( p->v*p->v / ( (a/b)*(a/b) + 1 ) ) * (int)round(scale);
}
} else { //Elfajuló háromszög esetén
if(fabs(a) < pow(10, -5) && b > 0)
p->y3 += p->v * (int)round(scale);
else if(fabs(a) < pow(10, -5) && b < 0)
p->y3 -= p->v * (int)round(scale);
else if(fabs(b) < pow(10, -5) && a > 0)
p->x3 += p->v * (int)round(scale);
else if(fabs(b) < pow(10, -5) && a < 0)
p->x3 -= p->v * (int)round(scale);
}
p->x = (int) p->x3;
p->y = (int) p->y3;
// Az árnyék más sebességgel és más szögben mozog de az x koordináltája a lövedék x koordináltájához kötött
// ezért csak az y menti sebességét kellett kiszámolni
p->shadowy += p->vy;
p->shadowRect.x = (int) p->x3 + (p->dir == right ? 40 * scale : 20 * scale);
p->shadowRect.y = (int) p->shadowy;
p = p->next;
break;
case arrow:
if(Tick%5 == 0) {
p->state++;
if(p->state == p->proj_max)
p->state = 0;
}
// Ha a talajba ütközött akar ki kell törölni
if(p->y > p->y2) {
struct projectile *q = p->next;
*projs = delete_projectile(*projs, p);
p=q;
break;
}
if(p->dir == right) {
p->x += p->v * (int)round(scale);
p->shadowRect.x += p->v * (int)round(scale);
p->y += (int)p->vy * (int)round(scale);
p->vy += 0.09;
} else {
p->x -= p->v * (int)round(scale);
p->shadowRect.x -= p->v * (int)round(scale);
p->y += (int)p->vy * (int)round(scale);
p->vy += 0.09;
}
p = p->next;
break;
default:
if(Tick%5 == 0 && p->proj_max != 0) {
p->state++;
if(p->state == p->proj_max)
p->state = 0;
}
if(p->dir == right) {
if(p->x < kx) {
p->x += p->v * (int)round(scale);
p->shadowRect.x += p->v * (int)round(scale);
p = p->next;
} else {
struct projectile *q = p->next;
*projs = delete_projectile(*projs, p);
p=q;
break; // break out of switch == contiue for
}
} else {
if(-p->l_proj[p->state]->w < p->x) {
p->x -= p->v * (int)round(scale);
p->shadowRect.x -= p->v * (int)round(scale);
p = p->next;
} else {
struct projectile *q = p->next;
*projs = delete_projectile(*projs, p);
p=q;
break;
}
}
} // switch
} // if
else if(p->vanish == true) {
switch (p->type) {
case arrow:
p->state++;
if(p->state == p->vanish_max || p->y > p->shadowRect.y - 3*framesize / 4) {
struct projectile *q = p->next;
*projs = delete_projectile(*projs, p);
p=q;
break;
}
if(p->dir == right) {
p->x += p->v * (int)round(scale);
p->shadowRect.x += p->v * (int)round(scale);
p->y += p->vy * (int)round(scale);
p->vy += 0.3;
} else {
p->x -= p->v * (int)round(scale);
p->shadowRect.x -= p->v * (int)round(scale);
p->y += p->vy * (int)round(scale);
p->vy += 0.3;
}
p = p->next;
break;
default:
break;
}
} else { // Ha a lövedék felrobbant
if(p->exp_max != 0) {
switch (p->type) {
default:
if(Tick%5 == 0) {
p->state++;
if(p->state == p->exp_max) {
struct projectile *q = p->next;
*projs = delete_projectile(*projs, p);
p=q;
break;
}
}
p = p->next;
break;
}
} else {
struct projectile *q = p->next;
*projs = delete_projectile(*projs, p);
p=q;
break;
}
} //else
} //while
} //fn
/** A levedékek és a karakterek közti ütközésekért felelős,
* emiatt robbannak fel a tűzgolyók, illetve emiatt törik
* el a nyílvessző is ha védekező ellenségbe lőtték */
void Projectile_hits(struct character *players, struct projectile *projs) {
struct projectile *p;
struct character *c, *c2;
for(p = projs; p != NULL; p = p->next) {
if(p->exp == true || p->vanish == true)
continue;
for(c = players; c != NULL ; c = c->next) {
switch (p->type) {
case normal:
case normal2:
if( (p->side != enemy && c->side == enemy) || (p->side == enemy && c->side != enemy) )
if(fabs(p->x - c->loc.x) < p->dmg.range[0] / 2)
if(fabs(p->y + p->l_proj[p->state]->h/2 - c->loc.y - framesize / 2) < p->dmg.range[0]) {
switch (c->act) {
case a_walk:
case s_walk:
case jump:
case a_melee:
case a_ranged:
case s_ranged:
case hit:
case air:
case jump_attack:
case jump_attack2:
case flip:
case def: {
// Ha a karakter arrafele védekezik, amerről lövik
if((c->dir == right && c->loc.x < p->x && c->act == def)
|| (c->dir == left && c->loc.x > p->x && c->act == def)) {
// Akkor nem sebződik
p->exp = true;
soundeffect(chunk_air2, c->loc.x + framesize/2, c->loc.y + framesize/2);
p->x = c->loc.x;
p->y = c->loc.y;
p->state = 0;
} else { // különben igen
p->exp = true;
soundeffect(chunk_air2, c->loc.x + framesize/2, c->loc.y + framesize/2);
p->x = c->loc.x;
p->y = c->loc.y;
p->state = 0;
// A robbanás közelében mindenki sebződik
for(c2 = players; c2 != NULL ; c2 = c2->next) {
if( ((p->side != enemy && c2->side == enemy) || (p->side == enemy && c2->side != enemy)) && c2-> vunerable < GetTicks())
if(fabs(p->x - c2->loc.x) < p->dmg.range[1])
if(fabs(p->y + p->l_exp[p->state]->h/2 - c2->loc.y - framesize / 2) < p->dmg.range[1]) {
switch (c2->act) {
case a_walk:
case s_walk:
case jump:
case a_melee:
case a_ranged:
case s_ranged:
case hit:
case air:
case jump_attack:
case jump_attack2:
case flip:
case ground:
c2->hp -= p->dmg.value;
c2->act = air;
c2->state = 0;
if(p->dir == right)
c2->vx = p->dmg.impact[0];
else
c2->vx = -p->dmg.impact[0];
c2->vy = -p->dmg.impact[0];
break;
case def:
// Ha a karakter arrafele védekezik, amerről lövik
if((c2->dir == right && c2->loc.x < p->x)
|| (c2->dir == left && c2->loc.x > p->x))
break; // akkor ne sebződjön
else { // különben viszont igen
c2->hp -= p->dmg.value;
c2->act = air;
c2->state = 0;
if(p->dir == right)
c2->vx = p->dmg.impact[0];
else
c2->vx = -p->dmg.impact[0];
c2->vy = -p->dmg.impact[0];
}
break;
default:
break;
}
}
}
}
}
break;
case counter: // A counter act-ben minden karakter sebezhetetlen
p->exp = true;
soundeffect(chunk_air2, c->loc.x + framesize/2, c->loc.y + framesize/2);
p->x = c->loc.x;
p->y = c->loc.y;
p->state = 0;
break;
default:
break;
}
}
break;
case shift:
case jump_attack2_proj:
case arrow:
if( (p->side != enemy && c->side == enemy) || (p->side == enemy && c->side != enemy) )
if(fabs(p->x - c->loc.x) < p->dmg.range[0])
if(fabs(p->y - c->loc.y) < p->dmg.range[0]) {
switch (c->act) {
case a_walk:
case s_walk:
case jump:
case a_melee:
case a_ranged:
case s_ranged:
case hit:
case air:
case jump_attack:
case jump_attack2:
case flip:
case def: {
// Ha a karakter arrafele védekezik, amerről lövik
if((c->dir == right && c->loc.x < p->x && c->act == def)
|| (c->dir == left && c->loc.x > p->x && c->act == def)) {
// akkor ne sebződjön, de a lövedék robbanjon fel, vagy a nyilvessző törjön el
if(p->type == arrow) {
p->vanish = true;
int i;
for(i=0; i<3; i++)
soundeffect(chunk_hit, c->loc.x + framesize/2, c->loc.y + framesize/2);
p->v *= -0.5;
p->vy = (rand()%3 - 1) / 5;
p->state = 0;
p->x2 = p->l_vanish[0]->w / 2;
p->y2 = p->l_vanish[0]->h / 2;
} else {
p->exp = true;
soundeffect(chunk_exp, c->loc.x + framesize/2, c->loc.y + framesize/2);
p->x = c->loc.x - framesize/2;
p->y = c->loc.y - framesize/2;
p->state = 0;
}
} else { // különben viszont igen
p->exp = true;
if(p->type != arrow)
soundeffect(chunk_exp, c->loc.x + framesize/2, c->loc.y + framesize/2);
else {
int i;
for(i=0; i<5; i++)
soundeffect(chunk_hit, c->loc.x + framesize/2, c->loc.y + framesize/2);
}
p->x = c->loc.x - framesize/2;
p->y = c->loc.y - framesize/2;
p->state = 0;
for(c2 = players; c2 != NULL ; c2 = c2->next) {
if( ((p->side != enemy && c2->side == enemy) || (p->side == enemy && c2->side != enemy)) && c2-> vunerable < GetTicks())
if( fabs(p->x + framesize / 2 - c2->loc.x) < p->dmg.range[1])
if(fabs(p->y + framesize/2 - c2->loc.y) < p->dmg.range[1]) {
switch (c2->act) {
case a_walk:
case s_walk:
case jump:
case a_melee:
case a_ranged:
case s_ranged:
case hit:
case air:
case jump_attack:
case jump_attack2:
case flip:
case ground:
//case def:
c2->hp -= p->dmg.value;
c2->act = air;
c2->state = 0;
if(p->dir == right)
c2->vx = p->dmg.impact[0];
else
c2->vx = -p->dmg.impact[0];
c2->vy = -p->dmg.impact[0];
if(p->type == jump_attack2_proj)
c2->vz = 0.5 * p->vy;
break;
case def:
// Ha a karakter arrafele védekezik, amerről lövik
if((c2->dir == right && c2->loc.x < p->x + framesize/2)
|| (c2->dir == left && c2->loc.x > p->x + framesize/2))
break; // akkor ne sebződjön
else { // különben viszont igen
c2->hp -= p->dmg.value;
c2->act = air;
c2->state = 0;
if(p->dir == right)
c2->vx = p->dmg.impact[0];
else
c2->vx = -p->dmg.impact[0];
c2->vy = -p->dmg.impact[0];
}
break;
default:
break;
}
}
}
}
}
break;
case counter:
if(p->type == arrow) {
p->vanish = true;
int i;
for(i=0; i<3; i++)
soundeffect(chunk_hit, c->loc.x + framesize/2, c->loc.y + framesize/2);
p->v *= -0.5;
p->vy = (rand()%3 - 1) / 5;
p->state = 0;
p->x2 = p->l_vanish[0]->w / 2;
p->y2 = p->l_vanish[0]->h / 2;
} else {
p->exp = true;
if(p->type != arrow)
soundeffect(chunk_exp, c->loc.x + framesize/2, c->loc.y + framesize/2);
p->x = c->loc.x;
p->y = c->loc.y;
p->state = 0;
}
break;
default:
break;
}
}
break;
default:
break;
}
} // for (players)
if(p->type == jump_attack_proj) {
if( p->y + p->l_proj[0]->h > p->y2) {
p->exp = true;
soundeffect(chunk_exp, p->x + framesize/2, p->y + framesize/2);
p->x -= framesize/2;
p->y -= framesize/2;
p->state = 0;
for(c = players; c != NULL ; c = c->next) {
if( ((p->side != enemy && c->side == enemy) || (p->side == enemy && c->side != enemy)) && c-> vunerable < GetTicks())
if( fabs(p->x + framesize / 2- c->loc.x) < p->dmg.range[1])
if(fabs(p->y + framesize/2 - c->loc.y) < p->dmg.range[1]) {
switch (c->act) {
case a_walk:
case s_walk:
case jump:
case a_melee:
case a_ranged:
case s_ranged:
case hit:
case air:
case jump_attack:
case jump_attack2:
case flip:
case ground:
c->hp -= p->dmg.value;
c->act = air;
c->state = 0;
if(c->loc.x > p->x + framesize)
c->vx = p->dmg.impact[0];
else
c->vx = -p->dmg.impact[0];
c->vy = -p->dmg.impact[0];
break;
case def: {
// Ha a karakter arrafele védekezik, amerről lövik
if((c->dir == right && c->loc.x < p->x + framesize/2)
|| (c->dir == left && c->loc.x > p->x + framesize/2))
break; // akkor ne sebződjön
else { // különben viszont igen
c->hp -= p->dmg.value;
c->act = air;
c->state = 0;
if(p->dir == right)
c->vx = p->dmg.impact[0];
else
c->vx = -p->dmg.impact[0];
c->vy = -p->dmg.impact[0];
}
}
break;
default:
break;
}
}
}
}
}
if(p->type == jump_attack2_proj) {
if (fabs(p->y2 - p->y) < framesize/2 && fabs(p->x2 - (p->x + TerrainRect.x)) < framesize/2 ) {
p->exp = true;
soundeffect(chunk_exp, p->x + framesize/2, p->y + framesize/2);
p->x -= framesize/2;
p->y -= framesize/2;
p->state = 0;
for(c = players; c != NULL; c = c->next) {
if( ((p->side != enemy && c->side == enemy) || (p->side == enemy && c->side != enemy)) && c-> vunerable < GetTicks())
if( fabs(p->x + framesize/2 - c->loc.x) < p->dmg.range[1])
if(fabs(p->y + framesize/2 - c->loc.y) < p->dmg.range[1]) {
switch (c->act) {
case a_walk:
case s_walk:
case jump:
case a_melee:
case a_ranged:
case s_ranged:
case hit:
case air:
case jump_attack:
case jump_attack2:
case flip:
case ground:
c->hp -= p->dmg.value;
c->act = air;
c->state = 0;
if(p->dir == right)
c->vx = p->dmg.impact[0];
else
c->vx = -p->dmg.impact[0];
c->vy = -p->dmg.impact[0];
break;
case def:
// Ha a karakter arrafele védekezik, amerről lövik
if((c->dir == right && c->loc.x < p->x + framesize/2)
|| (c->dir == left && c->loc.x > p->x + framesize/2))
break; // akkor ne sebződjön
else { // különben viszont igen
c->hp -= p->dmg.value;
c->act = air;
c->state = 0;
if(p->dir == right)
c->vx = p->dmg.impact[0];
else
c->vx = -p->dmg.impact[0];
c->vy = -p->dmg.impact[0];
}
break;
default:
break;
}
}
}
}
}
} //for (projs)
} //fn
/** Felszabadít egy lövedéket */
struct projectile * delete_projectile(struct projectile *projs, struct projectile *todelete) {
struct projectile *p;
int i;
if(projs == todelete) {
p = todelete->next;
for(i=0; i < todelete->proj_max; i++) {
SDL_FreeSurface(todelete->l_proj[i]);
SDL_FreeSurface(todelete->r_proj[i]);
}
free(todelete->l_proj);
free(todelete->r_proj);
for(i=0; i < todelete->exp_max; i++) {
SDL_FreeSurface(todelete->l_exp[i]);
SDL_FreeSurface(todelete->r_exp[i]);
}
free(todelete->l_exp);
free(todelete->r_exp);
free(todelete->l_vanish);
free(todelete->r_vanish);
SDL_FreeSurface(todelete->shadow);
free(todelete);
return p;
}
for(p=projs; p!=NULL; p=p->next) {
if(p->next != todelete)
continue;
if(p== NULL || p->next == NULL) {
return NULL;
} else {
p->next = todelete->next;
for(i=0; i < todelete->proj_max; i++) {
SDL_FreeSurface(todelete->l_proj[i]);
SDL_FreeSurface(todelete->r_proj[i]);
}
free(todelete->l_proj);
free(todelete->r_proj);
for(i=0; i < todelete->exp_max; i++) {
SDL_FreeSurface(todelete->l_exp[i]);
SDL_FreeSurface(todelete->r_exp[i]);
}
free(todelete->l_exp);
free(todelete->r_exp);
free(todelete->l_vanish);
free(todelete->r_vanish);
SDL_FreeSurface(todelete->shadow);
free(todelete);
return projs;
}
}
return NULL;
}
/** Az összes lövedéket felszabadítja */
void deleteall(struct projectile *projs) {
struct projectile *p,*q;
for(p=projs; p!=NULL; ) {
q = p->next;
projs = delete_projectile(projs,p);
p = q;
}
}
/** Létrehoz egy lövedéket */
struct projectile * summon_projectile(struct projectile *projs, struct character *player, enum proj_type type) {
struct projectile *p = (struct projectile *) malloc (sizeof (struct projectile));
p->state = 0;
p->side = player->side;
p->dir = player->dir;
p->next = projs;
p->type = type;
p->dmg = player->dmg;
p->exp = false;
p->vanish = false;
p->shadowRect = player->shadowRect;
p->shadow = SDL_CreateRGBSurface(SDL_ANYFORMAT, shadow->w, shadow->h, screen_bpp, screen_rmask, screen_gmask, screen_bmask, screen_amask);
SDL_SetColorKey(p->shadow,SDL_SRCCOLORKEY|SDL_RLEACCEL,SDL_MapRGB(p->shadow->format,0,0,0));
SDL_BlitSurface(shadow, NULL, p->shadow, NULL);
SetSize(&(p->shadow), p->shadow->w, p->shadow->h/2);
p->l_vanish = NULL;
p->r_vanish = NULL;
switch (type) {
case normal:
p->proj_max = player->a_proj_No;
p->exp_max = player->a_exp_No;
p->v = 8;
p->x = p->dir == right ? player->loc.x + framesize - 10 * scale: player->loc.x - player->ranged.la_proj1[0]->w;
p->shadowRect.x = p->dir == right ? player->loc.x + framesize + 15 * scale: player->loc.x - player->ranged.la_proj1[0]->w + 15 * scale;
p->y = player->loc.y;
p->l_proj = AnimCpy_Alpha(player->ranged.la_proj1, p->proj_max, 5);
p->r_proj = AnimCpy_Alpha(player->ranged.ra_proj1, p->proj_max, 5);
p->l_exp = AnimCpy_AlphaScale(player->ranged.la_exp, p->exp_max, 5, 10);
p->r_exp = AnimCpy_AlphaScale(player->ranged.ra_exp, p->exp_max, 5, 10);
break;
case normal2:
p->proj_max = player->a_proj_No;
p->exp_max = player->a_exp_No;
p->v = 8;
p->x = p->dir == right ? player->loc.x + framesize - 10 * scale: player->loc.x - player->ranged.la_proj2[0]->w;
p->shadowRect.x = p->dir == right ? player->loc.x + framesize + 15 * scale : player->loc.x - player->ranged.la_proj1[0]->w + 15 * scale;
p->y = player->loc.y;
p->l_proj = AnimCpy_Alpha(player->ranged.la_proj2, p->proj_max, 5);
p->r_proj = AnimCpy_Alpha(player->ranged.ra_proj2, p->proj_max, 5);
p->l_exp = AnimCpy_AlphaScale(player->ranged.la_exp, p->exp_max, 5, 10);
p->r_exp = AnimCpy_AlphaScale(player->ranged.ra_exp, p->exp_max, 5, 10);
break;
case shift:
p->proj_max = player->s_proj_No;
p->exp_max = player->s_exp_No;
p->v = 7;
p->x = p->dir == right ? player->loc.x + framesize - 10 * scale : player->loc.x - player->ranged.ls_proj[0]->w;
p->shadowRect.x = p->dir == right ? player->loc.x + framesize + 25 * scale : player->loc.x - player->ranged.la_proj1[0]->w + 10 * scale;
p->y = player->loc.y;
p->l_proj = AnimCpy_Alpha(player->ranged.ls_proj, p->proj_max, 10);
p->r_proj = AnimCpy_Alpha(player->ranged.rs_proj, p->proj_max, 10);
p->l_exp = AnimCpy_AlphaScale(player->ranged.ls_exp, p->exp_max, 45, 12);
p->r_exp = AnimCpy_AlphaScale(player->ranged.rs_exp, p->exp_max, 45, 12);
break;
case jump_attack_proj:
p->proj_max = player->jump_attack_proj_No;
p->exp_max = player->jump_attack_exp_No;
p->v = 4;
if(player->chrname != julian) {
p->x = p->dir == right ? player->loc.x + 45 * scale : player->loc.x + 10 * scale;
p->shadowRect.x = p->dir == right ? player->loc.x + 62 * scale : player->loc.x + 15 * scale;
p->y = player->loc.y + framesize / 2;
p->y2 = player->shadowRect.y;
} else {
p->x = player->loc.x;
p->y = player->loc.y - framesize/4;
p->shadowRect.x = player->shadowRect.x;
p->y2 = player->shadowRect.y - framesize/4;
}
p->l_proj = AnimCpy_Alpha(player->jump.lproj, p->proj_max, 5);
p->r_proj = AnimCpy_Alpha(player->jump.rproj, p->proj_max, 5);
p->l_exp = AnimCpy_AlphaScale(player->jump.lexp, p->exp_max, 20, 10);
p->r_exp = AnimCpy_AlphaScale(player->jump.rexp, p->exp_max, 20, 10);
break;
case jump_attack2_proj:
/** Egy jó tanács: ezt ne is akard megérteni hogy hogyan működik... */
p->proj_max = player->jump_attack2_proj_No;
p->exp_max = player->jump_attack_exp_No;
p->v = 7;
p->x = p->dir == right ? player->loc.x + framesize - 10 * scale : player->loc.x - player->jump.lproj2[0]->w;
p->y = player->loc.y;
p->x2 = player->jump.x - player->jump.lproj2[0]->w/2 + TerrainRect.x;
p->y2 = player->jump.y - player->jump.lproj2[0]->h/2;
p->shadowRect.x += p->dir == right ? framesize : - player->jump.lproj2[0]->w;
p->shadowy = player->shadowRect.y;
p->x3 = (double) p->x;
p->y3 = (double) p->y;
p->l_proj = AnimCpy_Alpha(player->jump.lproj2, p->proj_max, 5);
p->r_proj = AnimCpy_Alpha(player->jump.rproj2, p->proj_max, 5);
int i;
for (i = 0; i < p->proj_max; i++) {
// Elforgatja a lövedéket, úgy, hogy az a kurzor felé nézzen
RotateSurface2(&(p->r_proj[i]), -1 * atan2( p->y2 - p->y , p->x2 - (p->x + TerrainRect.x) ) * 180 / M_PI );
RotateSurface2(&(p->l_proj[i]), atan2( p->y2 - p->y , (p->x + TerrainRect.x) - p->x2 ) * 180 / M_PI );
}
// A bal felső sarok körüli forgatást át kell alakitan középpont körülire
p->x3 -= p->l_proj[0]->w/2 - player->jump.lproj2[0]->w/2;
p->y3 -= p->l_proj[0]->h/2 - player->jump.lproj2[0]->h/2;
p->l_exp = AnimCpy_AlphaScale(player->jump.lexp, p->exp_max, 20, 10);
p->r_exp = AnimCpy_AlphaScale(player->jump.rexp, p->exp_max, 20, 10);
// A lövedék árnyéka nem ugyan olyan sebességgel mozog, mint maga a lövedék
// Az viszont elég nagy segitség hogy az x koordinálta az mindig megeggyezik a lövedékével, igy csak az
// y-t kell számolni, ami már sokkal egyszerűbb...
// Először megnézem hogy mennyi ideig repül a lövedék
double tempx = p->x3, tempy = p->y3, a, b;
int t = 0;
while(!(fabs(p->y2 - (int)tempy) < framesize/2 && fabs(p->x2 - ((int)tempx + TerrainRect.x)) < framesize/2 ) && t<1000) {
a = p->x2 - (tempx + TerrainRect.x);
b = p->y2 - tempy;
if(fabs(a) > pow(10, -5) && fabs(b) > pow(10, -5)) { //Lebegő pontos érték, az == 0 vizsgálat nem működik
if(b > 0) {
tempx += ( a/b * sqrt( p->v*p->v / ( (a/b)*(a/b) + 1 ) ) ) * (int)round(scale);
tempy += sqrt( p->v*p->v / ( (a/b)*(a/b) + 1 ) ) * (int)round(scale);
} else {
tempx -= ( a/b * sqrt( p->v*p->v / ( (a/b)*(a/b) + 1 ) ) ) * (int)round(scale);
tempy -= sqrt( p->v*p->v / ( (a/b)*(a/b) + 1 ) ) * (int)round(scale);
}
} else { //Elfajuló háromszög esetén
if(fabs(a) < pow(10, -5) && b > 0)
tempy += p->v * (int)round(scale);
else if(fabs(a) < pow(10, -5) && b < 0)
tempy -= p->v * (int)round(scale);
else if(fabs(b) < pow(10, -5) && a > 0)
tempx += p->v * (int)round(scale);
else if(fabs(b) < pow(10, -5) && a < 0)
tempx -= p->v * (int)round(scale);
}
t++;
}
// Ha a lövedék már ottvan ahol fel kell robbania (bár erre elég kicsi az esély) akkor az árnyék mozgása lényegtelen,
// ezért a t akármennyi lehet, de azért inkább ne osszon nullával, és ne lépjen ki a program floating point exeptionnel
if(t == 0)
t = 1;
// Aztán v=s/t
if(p->y2 < p->y)
p->vy = (p->y2 + player->jump.lproj2[0]->h - p->shadowRect.y) / t;
else
p->vy = (p->y2 + 0.8 * player->jump.lproj2[0]->h - p->shadowRect.y) / t;
break;
case arrow:
p->proj_max = player->s_proj_No;
p->exp_max = player->s_exp_No;
p->vanish_max = 20;
p->v = 9;
p->vy = -0.5;
p->x = p->dir == right ? player->loc.x + framesize - 10 * scale : player->loc.x - player->ranged.ls_proj[0]->w;
p->y = player->loc.y - 20 * scale;
p->y2 = player->loc.y + framesize / 4;
p->shadowRect.x += p->dir == right ? framesize - 10 * scale : - player->ranged.ls_proj[0]->w;
p->l_proj = AnimCpy_Alpha(player->ranged.ls_proj, p->proj_max, 10);
p->r_proj = AnimCpy_Alpha(player->ranged.rs_proj, p->proj_max, 10);
p->l_exp = AnimCpy_AlphaScale(player->ranged.la_exp, p->exp_max, 45, 12);
p->r_exp = AnimCpy_AlphaScale(player->ranged.ra_exp, p->exp_max, 45, 12);
p->l_vanish = AnimCpy(player->ranged.ls_vanish, player->s_vanish_No);
p->r_vanish = AnimCpy(player->ranged.rs_vanish, player->s_vanish_No);
break;
default:
break;
}
// Ez csak az instant kill módhoz kell, debuggoláshoz
// Vagyis inkább a debuggolás élvezetesebbé tételéhez
if(player->speed == 3)
p->v *= 2;
return p;
}