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__ |
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132 | # include <sproto.h> |
132 | #include <sproto.h> |
133 | #endif |
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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--; |
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|
174 | |
175 | if (disease->value == 0) |
175 | if (disease->value == 0) |
176 | { |
176 | { |
177 | remove_ob (disease); |
177 | disease->destroy (); |
178 | free_object (disease); |
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|
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--; |
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|
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); |
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|
195 | return 1; |
194 | return 1; |
196 | } |
195 | } |
197 | } |
196 | } |
198 | } |
197 | } |
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|
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 | } |
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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 * |
… | |
… | |
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 && !strcmp (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 && !strcmp (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); |
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|
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 (!strcmp (tmp->name, disease->name) && tmp->level >= disease->level) |
441 | return 0; /*Immune! */ |
441 | return 0; /*Immune! */ |
442 | } |
442 | } |
… | |
… | |
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. */ |
… | |
… | |
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); |
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|
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; |
… | |
… | |
669 | */ |
668 | */ |
670 | if ((casting_level >= disease->level) || (!(random_roll (0, (disease->level - casting_level - 1), caster, PREFER_LOW)))) |
669 | if ((casting_level >= disease->level) || (!(random_roll (0, (disease->level - casting_level - 1), caster, PREFER_LOW)))) |
671 | { |
670 | { |
672 | |
671 | |
673 | remove_symptoms (disease); |
672 | remove_symptoms (disease); |
674 | remove_ob (disease); |
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|
675 | cure = 1; |
673 | cure = 1; |
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|
674 | |
676 | if (caster) |
675 | if (caster) |
677 | change_exp (caster, disease->stats.exp, caster->chosen_skill ? &caster->chosen_skill->skill : (const char *) 0, 0); |
676 | change_exp (caster, disease->stats.exp, caster->chosen_skill ? &caster->chosen_skill->skill : (const char *) 0, 0); |
678 | free_object (disease); |
677 | |
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|
678 | disease->destroy (); |
679 | } |
679 | } |
680 | } |
680 | } |
681 | } |
681 | } |
682 | if (cure) |
682 | if (cure) |
683 | { |
683 | { |