| 1 | /* |
1 | /* |
| 2 | CrossFire, A Multiplayer game for X-windows |
2 | * CrossFire, A Multiplayer game for X-windows |
| 3 | |
3 | * |
|
|
4 | * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
| 4 | Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
5 | * Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
| 5 | Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (C) 1992 Frank Tore Johansen |
| 6 | |
7 | * |
| 7 | This program is free software; you can redistribute it and/or modify |
8 | * This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
9 | * it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
10 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
11 | * (at your option) any later version. |
| 11 | |
12 | * |
| 12 | This program is distributed in the hope that it will be useful, |
13 | * This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
16 | * GNU General Public License for more details. |
| 16 | |
17 | * |
| 17 | You should have received a copy of the GNU General Public License |
18 | * You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
19 | * along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 20 | |
21 | * |
| 21 | The authors can be reached via e-mail to <crossfire@schmorp.de> |
22 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
| 22 | */ |
23 | */ |
| 23 | |
24 | |
| 24 | /* This file contains all the code implementing diseases, |
25 | /* This file contains all the code implementing diseases, |
| 25 | except for odds and ends in attack.c and in |
26 | except for odds and ends in attack.c and in |
| 26 | living.c*/ |
27 | living.c*/ |
| 27 | |
28 | |
| … | |
… | |
| 126 | |
127 | |
| 127 | |
128 | |
| 128 | #include <global.h> |
129 | #include <global.h> |
| 129 | #include <object.h> |
130 | #include <object.h> |
| 130 | #include <living.h> |
131 | #include <living.h> |
| 131 | #ifndef __CEXTRACT__ |
|
|
| 132 | # include <sproto.h> |
132 | #include <sproto.h> |
| 133 | #endif |
|
|
| 134 | #include <spells.h> |
133 | #include <spells.h> |
| 135 | #include <sounds.h> |
134 | #include <sounds.h> |
| 136 | #include <skills.h> |
135 | #include <skills.h> |
| 137 | |
136 | |
| 138 | /* IMPLEMENTATION NOTES |
137 | /* IMPLEMENTATION NOTES |
| … | |
… | |
| 170 | |
169 | |
| 171 | if (disease->env == NULL) |
170 | if (disease->env == NULL) |
| 172 | { /* we're outside of someone */ |
171 | { /* we're outside of someone */ |
| 173 | if (disease->stats.maxhp > 0) |
172 | if (disease->stats.maxhp > 0) |
| 174 | disease->value--; |
173 | disease->value--; |
|
|
174 | |
| 175 | if (disease->value == 0) |
175 | if (disease->value == 0) |
| 176 | { |
176 | { |
| 177 | remove_ob (disease); |
177 | disease->destroy (); |
| 178 | free_object (disease); |
|
|
| 179 | return 1; |
178 | return 1; |
| 180 | } |
179 | } |
| 181 | } |
180 | } |
| 182 | else |
181 | else |
| 183 | { |
182 | { |
| 184 | /* if we're inside a person, have the disease run its course */ |
183 | /* if we're inside a person, have the disease run its course */ |
| 185 | /* negative foods denote "perpetual" diseases. */ |
184 | /* negative foods denote "perpetual" diseases. */ |
| 186 | if (disease->stats.food > 0) |
185 | if (disease->stats.food > 0) |
| 187 | { |
186 | { |
| 188 | disease->stats.food--; |
187 | disease->stats.food--; |
|
|
188 | |
| 189 | if (disease->stats.food == 0) |
189 | if (disease->stats.food == 0) |
| 190 | { |
190 | { |
| 191 | remove_symptoms (disease); /* remove the symptoms of this disease */ |
191 | remove_symptoms (disease); /* remove the symptoms of this disease */ |
| 192 | grant_immunity (disease); |
192 | grant_immunity (disease); |
| 193 | remove_ob (disease); |
193 | disease->destroy (); |
| 194 | free_object (disease); |
|
|
| 195 | return 1; |
194 | return 1; |
| 196 | } |
195 | } |
| 197 | } |
196 | } |
| 198 | } |
197 | } |
|
|
198 | |
| 199 | /* check to see if we infect others */ |
199 | /* check to see if we infect others */ |
| 200 | check_infection (disease); |
200 | check_infection (disease); |
| 201 | |
201 | |
| 202 | /* impose or modify the symptoms of the disease */ |
202 | /* impose or modify the symptoms of the disease */ |
| 203 | if (disease->env && is_susceptible_to_disease (disease->env, disease)) |
203 | if (disease->env && is_susceptible_to_disease (disease->env, disease)) |
| … | |
… | |
| 220 | |
220 | |
| 221 | while ((symptom = find_symptom (disease)) != NULL) |
221 | while ((symptom = find_symptom (disease)) != NULL) |
| 222 | { |
222 | { |
| 223 | if (!victim) |
223 | if (!victim) |
| 224 | victim = symptom->env; |
224 | victim = symptom->env; |
| 225 | remove_ob (symptom); |
225 | |
| 226 | free_object (symptom); |
226 | symptom->destroy (); |
| 227 | } |
227 | } |
|
|
228 | |
| 228 | if (victim) |
229 | if (victim) |
| 229 | fix_player (victim); |
230 | victim->update_stats (); |
| 230 | return 0; |
231 | return 0; |
| 231 | } |
232 | } |
| 232 | |
233 | |
| 233 | /* argument is a disease */ |
234 | /* argument is a disease */ |
| 234 | object * |
235 | object * |
| … | |
… | |
| 236 | { |
237 | { |
| 237 | object *walk; |
238 | object *walk; |
| 238 | |
239 | |
| 239 | /* check the inventory for symptoms */ |
240 | /* check the inventory for symptoms */ |
| 240 | for (walk = disease->env->inv; walk; walk = walk->below) |
241 | for (walk = disease->env->inv; walk; walk = walk->below) |
| 241 | if (!strcmp (walk->name, disease->name) && walk->type == SYMPTOM) |
242 | if (walk->name == disease->name && walk->type == SYMPTOM) |
| 242 | return walk; |
243 | return walk; |
| 243 | return NULL; |
244 | return NULL; |
| 244 | } |
245 | } |
| 245 | |
246 | |
| 246 | /* searches around for more victims to infect */ |
247 | /* searches around for more victims to infect */ |
| … | |
… | |
| 274 | { |
275 | { |
| 275 | sint16 i2, j2; |
276 | sint16 i2, j2; |
| 276 | mflags = get_map_flags (map, &map2, i, j, &i2, &j2); |
277 | mflags = get_map_flags (map, &map2, i, j, &i2, &j2); |
| 277 | |
278 | |
| 278 | if (!(mflags & P_OUT_OF_MAP) && (mflags & P_IS_ALIVE)) |
279 | if (!(mflags & P_OUT_OF_MAP) && (mflags & P_IS_ALIVE)) |
| 279 | for (tmp = get_map_ob (map2, i2, j2); tmp; tmp = tmp->above) |
280 | for (tmp = GET_MAP_OB (map2, i2, j2); tmp; tmp = tmp->above) |
| 280 | infect_object (tmp, disease, 0); |
281 | infect_object (tmp, disease, 0); |
| 281 | } |
282 | } |
| 282 | |
283 | |
| 283 | return 1; |
284 | return 1; |
| 284 | } |
285 | } |
| … | |
… | |
| 322 | * (eg, level 1 cold, level 2 cold, level 3 cold, etc), as long as |
323 | * (eg, level 1 cold, level 2 cold, level 3 cold, etc), as long as |
| 323 | * they were cast in that same order. Instead, change it so that |
324 | * they were cast in that same order. Instead, change it so that |
| 324 | * if you diseased, you can't get diseased more. |
325 | * if you diseased, you can't get diseased more. |
| 325 | */ |
326 | */ |
| 326 | |
327 | |
| 327 | for ( /* tmp initialized in if, above */ ; tmp; tmp = tmp->below) |
328 | for ( /* tmp initialised in if, above */ ; tmp; tmp = tmp->below) |
| 328 | { |
329 | { |
| 329 | if (tmp->type == SIGN && !strcmp (tmp->name, disease->name) && tmp->level >= disease->level) |
330 | if (tmp->type == SIGN && tmp->name == disease->name && tmp->level >= disease->level) |
| 330 | return 0; /*Immune! */ |
331 | return 0; /* Immune! */ |
| 331 | else if (tmp->type == DISEASE && !strcmp (tmp->name, disease->name)) |
332 | else if (tmp->type == DISEASE && tmp->name == disease->name) |
| 332 | return 0; /* already diseased */ |
333 | return 0; /* already diseased */ |
| 333 | } |
334 | } |
| 334 | |
335 | |
| 335 | /* If we've gotten this far, go ahead and infect the victim. */ |
336 | /* If we've gotten this far, go ahead and infect the victim. */ |
| 336 | new_disease = get_object (); |
337 | new_disease = disease->clone (); |
| 337 | copy_object (disease, new_disease); |
|
|
| 338 | new_disease->stats.food = disease->stats.maxgrace; |
338 | new_disease->stats.food = disease->stats.maxgrace; |
| 339 | new_disease->value = disease->stats.maxhp; |
339 | new_disease->value = disease->stats.maxhp; |
| 340 | new_disease->stats.wc -= disease->last_grace; /* self-limiting factor */ |
340 | new_disease->stats.wc -= disease->last_grace; /* self-limiting factor */ |
| 341 | |
341 | |
| 342 | /* Unfortunately, set_owner does the wrong thing to the skills pointers |
342 | /* Unfortunately, set_owner does the wrong thing to the skills pointers |
| 343 | * resulting in exp going into the owners *current* chosen skill. |
343 | * resulting in exp going into the owners *current* chosen skill. |
| 344 | */ |
344 | */ |
| 345 | |
345 | |
| 346 | if (get_owner (disease)) |
346 | if (disease->owner) |
| 347 | { |
347 | { |
| 348 | set_owner (new_disease, disease->owner); |
348 | new_disease->set_owner (disease->owner); |
| 349 | |
349 | |
| 350 | /* Only need to update skill if different */ |
350 | /* Only need to update skill if different */ |
| 351 | if (new_disease->skill != disease->skill) |
351 | if (new_disease->skill != disease->skill) |
| 352 | new_disease->skill = disease->skill; |
352 | new_disease->skill = disease->skill; |
| 353 | } |
353 | } |
| … | |
… | |
| 355 | { /* for diseases which are passed by hitting, set owner and praying skill */ |
355 | { /* for diseases which are passed by hitting, set owner and praying skill */ |
| 356 | if (disease->env && disease->env->type == PLAYER) |
356 | if (disease->env && disease->env->type == PLAYER) |
| 357 | { |
357 | { |
| 358 | object *player = disease->env; |
358 | object *player = disease->env; |
| 359 | |
359 | |
| 360 | set_owner (new_disease, player); |
360 | new_disease->set_owner (player); |
| 361 | |
361 | |
| 362 | /* the skill pointer for these diseases should already be set up - |
362 | /* the skill pointer for these diseases should already be set up - |
| 363 | * hardcoding in 'praying' is not the right approach. |
363 | * hardcoding in 'praying' is not the right approach. |
| 364 | */ |
364 | */ |
| 365 | } |
365 | } |
| … | |
… | |
| 432 | if (victim->head) |
432 | if (victim->head) |
| 433 | tmp = victim->head->inv; |
433 | tmp = victim->head->inv; |
| 434 | else |
434 | else |
| 435 | tmp = victim->inv; |
435 | tmp = victim->inv; |
| 436 | |
436 | |
| 437 | for ( /* tmp initialized in if, above */ ; tmp; tmp = tmp->below) |
437 | for ( /* tmp initialised in if, above */ ; tmp; tmp = tmp->below) |
| 438 | { |
438 | { |
| 439 | if (tmp->type == SIGN) /* possibly an immunity, or diseased */ |
439 | if (tmp->type == SIGN) /* possibly an immunity, or diseased */ |
| 440 | if (!strcmp (tmp->name, disease->name) && tmp->level >= disease->level) |
440 | if (tmp->name == disease->name && tmp->level >= disease->level) |
| 441 | return 0; /*Immune! */ |
441 | return 0; /*Immune! */ |
| 442 | } |
442 | } |
| 443 | |
443 | |
| 444 | new_symptom = get_archetype (ARCH_SYMPTOM); |
444 | new_symptom = get_archetype (ARCH_SYMPTOM); |
| 445 | |
445 | |
| … | |
… | |
| 451 | { |
451 | { |
| 452 | int dam = disease->stats.dam; |
452 | int dam = disease->stats.dam; |
| 453 | |
453 | |
| 454 | /* reduce the damage, on average, 50%, and making things random. */ |
454 | /* reduce the damage, on average, 50%, and making things random. */ |
| 455 | |
455 | |
| 456 | dam = random_roll (1, FABS (dam), victim, PREFER_LOW); |
456 | dam = random_roll (1, abs (dam), victim, PREFER_LOW); |
| 457 | if (disease->stats.dam < 0) |
457 | if (disease->stats.dam < 0) |
| 458 | dam = -dam; |
458 | dam = -dam; |
| 459 | new_symptom->stats.dam = dam; |
459 | new_symptom->stats.dam = dam; |
| 460 | } |
460 | } |
| 461 | |
461 | |
| … | |
… | |
| 483 | new_symptom->stats.hp = disease->stats.hp; |
483 | new_symptom->stats.hp = disease->stats.hp; |
| 484 | new_symptom->msg = disease->msg; |
484 | new_symptom->msg = disease->msg; |
| 485 | new_symptom->attacktype = disease->attacktype; |
485 | new_symptom->attacktype = disease->attacktype; |
| 486 | new_symptom->other_arch = disease->other_arch; |
486 | new_symptom->other_arch = disease->other_arch; |
| 487 | |
487 | |
| 488 | set_owner (new_symptom, disease->owner); |
488 | new_symptom->set_owner (disease->owner); |
| 489 | |
489 | |
| 490 | if (new_symptom->skill != disease->skill) |
490 | if (new_symptom->skill != disease->skill) |
| 491 | new_symptom->skill = disease->skill; |
491 | new_symptom->skill = disease->skill; |
| 492 | |
492 | |
| 493 | new_symptom->move_block = 0; |
493 | new_symptom->move_block = 0; |
| … | |
… | |
| 523 | symptom->msg = disease->msg; |
523 | symptom->msg = disease->msg; |
| 524 | symptom->attacktype = disease->attacktype; |
524 | symptom->attacktype = disease->attacktype; |
| 525 | symptom->other_arch = disease->other_arch; |
525 | symptom->other_arch = disease->other_arch; |
| 526 | } |
526 | } |
| 527 | SET_FLAG (symptom, FLAG_APPLIED); |
527 | SET_FLAG (symptom, FLAG_APPLIED); |
| 528 | fix_player (victim); |
528 | victim->update_stats (); |
| 529 | return 1; |
529 | return 1; |
| 530 | } |
530 | } |
| 531 | |
531 | |
| 532 | |
532 | |
| 533 | /* grants immunity to plagues we've seen before. */ |
533 | /* grants immunity to plagues we've seen before. */ |
| … | |
… | |
| 541 | if (disease->last_heal) |
541 | if (disease->last_heal) |
| 542 | return 0; |
542 | return 0; |
| 543 | /* first, search for an immunity of the same name */ |
543 | /* first, search for an immunity of the same name */ |
| 544 | for (walk = disease->env->inv; walk; walk = walk->below) |
544 | for (walk = disease->env->inv; walk; walk = walk->below) |
| 545 | { |
545 | { |
| 546 | if (walk->type == 98 && !strcmp (disease->name, walk->name)) |
546 | if (walk->type == 98 && disease->name == walk->name) |
| 547 | { |
547 | { |
| 548 | walk->level = disease->level; |
548 | walk->level = disease->level; |
| 549 | return 1; /* just update the existing immunity. */ |
549 | return 1; /* just update the existing immunity. */ |
| 550 | } |
550 | } |
| 551 | } |
551 | } |
| … | |
… | |
| 568 | object *new_ob; |
568 | object *new_ob; |
| 569 | int sp_reduce; |
569 | int sp_reduce; |
| 570 | |
570 | |
| 571 | if (victim == NULL || victim->map == NULL) |
571 | if (victim == NULL || victim->map == NULL) |
| 572 | { /* outside a monster/player, die immediately */ |
572 | { /* outside a monster/player, die immediately */ |
| 573 | remove_ob (symptom); |
573 | symptom->destroy (); |
| 574 | free_object (symptom); |
|
|
| 575 | return 0; |
574 | return 0; |
| 576 | } |
575 | } |
| 577 | |
576 | |
| 578 | if (symptom->stats.dam > 0) |
577 | if (symptom->stats.dam > 0) |
| 579 | hit_player (victim, symptom->stats.dam, symptom, symptom->attacktype, 1); |
578 | hit_player (victim, symptom->stats.dam, symptom, symptom->attacktype, 1); |
| … | |
… | |
| 598 | object *tmp; |
597 | object *tmp; |
| 599 | |
598 | |
| 600 | tmp = victim; |
599 | tmp = victim; |
| 601 | if (tmp->head != NULL) |
600 | if (tmp->head != NULL) |
| 602 | tmp = tmp->head; |
601 | tmp = tmp->head; |
| 603 | for ( /*tmp initialized above */ ; tmp != NULL; tmp = tmp->more) |
602 | for ( /*tmp initialised above */ ; tmp != NULL; tmp = tmp->more) |
| 604 | { |
603 | { |
| 605 | new_ob = arch_to_object (symptom->other_arch); |
604 | new_ob = arch_to_object (symptom->other_arch); |
| 606 | new_ob->x = tmp->x; |
605 | new_ob->x = tmp->x; |
| 607 | new_ob->y = tmp->y; |
606 | new_ob->y = tmp->y; |
| 608 | new_ob->map = victim->map; |
607 | new_ob->map = victim->map; |
| … | |
… | |
| 612 | new_draw_info (NDI_UNIQUE | NDI_RED, 0, victim, symptom->msg); |
611 | new_draw_info (NDI_UNIQUE | NDI_RED, 0, victim, symptom->msg); |
| 613 | |
612 | |
| 614 | return 1; |
613 | return 1; |
| 615 | } |
614 | } |
| 616 | |
615 | |
| 617 | |
|
|
| 618 | /* possibly infect due to direct physical contact |
616 | /* possibly infect due to direct physical contact |
| 619 | i.e., AT_PHYSICAL-- called from "hit_player_attacktype" */ |
617 | * i.e., AT_PHYSICAL-- called from "hit_player_attacktype" */ |
| 620 | |
|
|
| 621 | int |
618 | int |
| 622 | check_physically_infect (object *victim, object *hitter) |
619 | check_physically_infect (object *victim, object *hitter) |
| 623 | { |
620 | { |
| 624 | object *walk; |
|
|
| 625 | |
|
|
| 626 | /* search for diseases, give every disease a chance to infect */ |
621 | /* search for diseases, give every disease a chance to infect */ |
| 627 | for (walk = hitter->inv; walk != NULL; walk = walk->below) |
622 | for (object *disease = hitter->inv; disease; disease = disease->below) |
| 628 | if (walk->type == DISEASE) |
623 | if (disease->type == DISEASE) |
| 629 | infect_object (victim, walk, 0); |
624 | infect_object (victim, disease, 0); |
|
|
625 | |
| 630 | return 1; |
626 | return 1; |
| 631 | } |
627 | } |
| 632 | |
628 | |
| 633 | /* find a disease in someone*/ |
629 | // find a disease in someone |
| 634 | object * |
630 | object * |
| 635 | find_disease (object *victim) |
631 | find_disease (object *victim) |
| 636 | { |
632 | { |
| 637 | object *walk; |
633 | for (object *disease = victim->inv; disease; disease = disease->below) |
| 638 | |
|
|
| 639 | for (walk = victim->inv; walk; walk = walk->below) |
|
|
| 640 | if (walk->type == DISEASE) |
634 | if (disease->type == DISEASE) |
| 641 | return walk; |
635 | return disease; |
|
|
636 | |
| 642 | return NULL; |
637 | return 0; |
| 643 | } |
638 | } |
| 644 | |
639 | |
| 645 | /* do the cure disease stuff, from the spell "cure disease" */ |
640 | /* do the cure disease stuff, from the spell "cure disease" */ |
| 646 | |
641 | |
| 647 | int |
642 | int |
| … | |
… | |
| 669 | */ |
664 | */ |
| 670 | if ((casting_level >= disease->level) || (!(random_roll (0, (disease->level - casting_level - 1), caster, PREFER_LOW)))) |
665 | if ((casting_level >= disease->level) || (!(random_roll (0, (disease->level - casting_level - 1), caster, PREFER_LOW)))) |
| 671 | { |
666 | { |
| 672 | |
667 | |
| 673 | remove_symptoms (disease); |
668 | remove_symptoms (disease); |
| 674 | remove_ob (disease); |
|
|
| 675 | cure = 1; |
669 | cure = 1; |
|
|
670 | |
| 676 | if (caster) |
671 | if (caster) |
| 677 | change_exp (caster, disease->stats.exp, caster->chosen_skill ? &caster->chosen_skill->skill : (const char *) 0, 0); |
672 | change_exp (caster, disease->stats.exp, caster->chosen_skill ? &caster->chosen_skill->skill : (const char *) 0, 0); |
| 678 | free_object (disease); |
673 | |
|
|
674 | disease->destroy (); |
| 679 | } |
675 | } |
| 680 | } |
676 | } |
| 681 | } |
677 | } |
| 682 | if (cure) |
678 | if (cure) |
| 683 | { |
679 | { |
