[ViewVC] Diff of: cvs/deliantra/server/server/disease.C

Comparing deliantra/server/server/disease.C (file contents):
Revision 1.7 by root, Thu Oct 5 16:50:07 2006 UTC vs.
Revision 1.45 by root, Sun Nov 25 13:28:07 2007 UTC

…		…
1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra 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 3 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, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20		21	* The authors can be reached via e-mail to <support@deliantra.net>
21	The authors can be reached via e-mail to <crossfire@schmorp.de>
22	*/	22	*/
23		23
24	/* This file contains all the code implementing diseases,	24	/* This file contains all the code implementing diseases,
25	except for odds and ends in attack.c and in	25	* except for odds and ends in attack.c and in
26	living.c*/	26	* living.c
27		27	*/
28
29		28
30	/*	29	/*
31		30
32	For DISEASES:	31	For DISEASES:
33	Stat Property Definition	32	Stat Property Definition
45	dam^ Damage How much damage it does (%?).	44	dam^ Damage How much damage it does (%?).
46	maxgrace+ Duration How long before the disease is naturally cured.	45	maxgrace+ Duration How long before the disease is naturally cured.
47	food DurCount Counter for Duration	46	food DurCount Counter for Duration
48		47
49	speed Speed How often the disease moves.	48	speed Speed How often the disease moves.
50	last_sp^ Lethargy Percentage of max speed--10 = 10% speed.	49	last_sp^ Lethargy Percentage of max speed. 10 = 10% speed.
51		50
52	maxsp^ Mana deplete Saps mana.	51	maxsp^ Mana deplete Saps mana.
53	ac^ Progressiveness How the diseases increases in severity.	52	ac^ Progressiveness How the diseases increases in severity.
54	last_eat*^ Deplete food saps food if negative	53	last_eat*^ Deplete food saps food if negative
55	last_heal GrantImmunity If nonzero, disease does NOT grant immunity	54	last_heal GrantImmunity If nonzero, disease does NOT grant immunity
…		…
126		125
127		126
128	#include <global.h>	127	#include <global.h>
129	#include <object.h>	128	#include <object.h>
130	#include <living.h>	129	#include <living.h>
131	#ifndef __CEXTRACT__
132	# include <sproto.h>	130	#include <sproto.h>
133	#endif
134	#include <spells.h>	131	#include <spells.h>
135	#include <sounds.h>	132	#include <sounds.h>
136	#include <skills.h>	133	#include <skills.h>
137		134
138	/* IMPLEMENTATION NOTES	135	/* IMPLEMENTATION NOTES
…		…
147	is_susceptible_to_disease (object victim, object disease)	144	is_susceptible_to_disease (object victim, object disease)
148	{	145	{
149	if (!QUERY_FLAG (victim, FLAG_ALIVE))	146	if (!QUERY_FLAG (victim, FLAG_ALIVE))
150	return 0;	147	return 0;
151		148
		149	if (victim->flag [FLAG_WIZ])
		150	return 0;
		151
152	if (strstr (disease->race, "*") && !QUERY_FLAG (victim, FLAG_UNDEAD))	152	if (strstr (disease->race, "*") && !QUERY_FLAG (victim, FLAG_UNDEAD))
153	return 1;	153	return 1;
154		154
155	if ((disease->race == undead_name) && QUERY_FLAG (victim, FLAG_UNDEAD))	155	if ((disease->race == shstr_undead) && QUERY_FLAG (victim, FLAG_UNDEAD))
156	return 1;	156	return 1;
157		157
158	if ((victim->race && strstr (disease->race, victim->race)) \|\| strstr (disease->race, victim->name))	158	if ((victim->race && strstr (disease->race, victim->race)) \|\| strstr (disease->race, victim->name))
159	return 1;	159	return 1;
160		160
…		…
166	{	166	{
167	/* first task is to determine if the disease is inside or outside of someone.	167	/* first task is to determine if the disease is inside or outside of someone.
168	* If outside, we decrement 'value' until we're gone.	168	* If outside, we decrement 'value' until we're gone.
169	*/	169	*/
170		170
171	if (disease->env == NULL)	171	if (!disease->env)
172	{ /* we're outside of someone */	172	{ /* we're outside of someone */
173	if (disease->stats.maxhp > 0)	173	if (disease->stats.maxhp > 0)
174	disease->value--;	174	disease->value--;
		175
175	if (disease->value == 0)	176	if (!disease->value)
176	{	177	{
177	remove_ob (disease);	178	disease->destroy ();
178	free_object (disease);
179	return 1;	179	return 1;
180	}	180	}
181	}	181	}
182	else	182	else
183	{	183	{
184	/* if we're inside a person, have the disease run its course */	184	/* if we're inside a person, have the disease run its course */
185	/* negative foods denote "perpetual" diseases. */	185	/* negative/zero food denotes "perpetual" diseases. */
186	if (disease->stats.food > 0)	186	if (disease->stats.food > 0)
187	{	187	{
188	disease->stats.food--;	188	disease->stats.food--;
		189
189	if (disease->stats.food == 0)	190	if (!disease->stats.food)
190	{	191	{
191	remove_symptoms (disease); /* remove the symptoms of this disease */	192	remove_symptoms (disease); /* remove the symptoms of this disease */
192	grant_immunity (disease);	193	grant_immunity (disease);
193	remove_ob (disease);	194	disease->destroy ();
194	free_object (disease);
195	return 1;	195	return 1;
196	}	196	}
197	}	197	}
198	}	198	}
		199
199	/* check to see if we infect others */	200	/* check to see if we infect others */
200	check_infection (disease);	201	check_infection (disease);
201		202
202	/* impose or modify the symptoms of the disease */	203	/* impose or modify the symptoms of the disease */
203	if (disease->env && is_susceptible_to_disease (disease->env, disease))	204	if (disease->env && is_susceptible_to_disease (disease->env, disease))
…		…
210	* Modified by MSW 2003-03-28 do try to find all the symptom the	211	* Modified by MSW 2003-03-28 do try to find all the symptom the
211	* player may have - I think through some odd interactoins with	212	* player may have - I think through some odd interactoins with
212	* disease level and player level and whatnot, a player could get	213	* disease level and player level and whatnot, a player could get
213	* more than one symtpom to a disease.	214	* more than one symtpom to a disease.
214	*/	215	*/
215
216	int	216	int
217	remove_symptoms (object *disease)	217	remove_symptoms (object *disease)
218	{	218	{
219	object symptom, victim = NULL;	219	object symptom, victim = NULL;
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 ();
		231
230	return 0;	232	return 0;
231	}	233	}
232		234
233	/* argument is a disease */	235	/* argument is a disease */
234	object *	236	object *
235	find_symptom (object *disease)	237	find_symptom (object *disease)
236	{	238	{
237	object *walk;
238
239	/* check the inventory for symptoms */	239	/* check the inventory for symptoms */
240	for (walk = disease->env->inv; walk; walk = walk->below)	240	for (object *walk = disease->env->inv; walk; walk = walk->below)
241	if (!strcmp (walk->name, disease->name) && walk->type == SYMPTOM)	241	if (walk->name == disease->name && walk->type == SYMPTOM)
242	return walk;	242	return walk;
		243
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 */
247	int	248	int
248	check_infection (object *disease)	249	check_infection (object *disease)
249	{	250	{
250	int x, y, range, mflags;	251	int x, y;
251	maptile map, map2;	252	maptile map, map2;
252	object *tmp;	253	object *tmp;
253		254
254	range = abs (disease->magic);	255	int range = abs (disease->magic);
255		256
256	if (disease->env)	257	if (disease->env)
257	{	258	{
258	x = disease->env->x;	259	x = disease->env->x;
259	y = disease->env->y;	260	y = disease->env->y;
…		…
271		272
272	for (int i = x - range; i <= x + range; i++)	273	for (int i = x - range; i <= x + range; i++)
273	for (int j = y - range; j <= y + range; j++)	274	for (int j = y - range; j <= y + range; j++)
274	{	275	{
275	sint16 i2, j2;	276	sint16 i2, j2;
276	mflags = get_map_flags (map, &map2, i, j, &i2, &j2);	277	int 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	}
285
286		286
287	/* check to see if an object is infectable:	287	/* check to see if an object is infectable:
288	* objects with immunity aren't infectable.	288	* objects with immunity aren't infectable.
289	* objects already infected aren't infectable.	289	* objects already infected aren't infectable.
290	* dead objects aren't infectable.	290	* dead objects aren't infectable.
…		…
309	/* roll the dice on infection before doing the inventory check! */	309	/* roll the dice on infection before doing the inventory check! */
310	if (!force && (random_roll (0, 126, victim, PREFER_HIGH) >= disease->stats.wc))	310	if (!force && (random_roll (0, 126, victim, PREFER_HIGH) >= disease->stats.wc))
311	return 0;	311	return 0;
312		312
313	/* do an immunity check */	313	/* do an immunity check */
314	if (victim->head)
315	tmp = victim->head->inv;
316	else
317	tmp = victim->inv;
318		314
319	/* There used to (IMO) be a flaw in the below - it used to be the case	315	/* There used to (IMO) be a flaw in the below - it used to be the case
320	* that if level check was done for both immunity and disease. This could	316	* that if level check was done for both immunity and disease. This could
321	* result in a person with multiple afflictions of the same disease	317	* result in a person with multiple afflictions of the same disease
322	* (eg, level 1 cold, level 2 cold, level 3 cold, etc), as long as	318	* (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	319	* they were cast in that same order. Instead, change it so that
324	* if you diseased, you can't get diseased more.	320	* if you diseased, you can't get diseased more.
325	*/	321	*/
326		322
327	for ( /* tmp initialized in if, above */ ; tmp; tmp = tmp->below)	323	for (tmp = victim->head_ ()->inv; tmp; tmp = tmp->below)
328	{
329	if (tmp->type == SIGN && !strcmp (tmp->name, disease->name) && tmp->level >= disease->level)	324	if (tmp->type == SIGN && tmp->name == disease->name && tmp->level >= disease->level)
330	return 0; /Immune! /	325	return 0; /* Immune! */
331	else if (tmp->type == DISEASE && !strcmp (tmp->name, disease->name))	326	else if (tmp->type == DISEASE && tmp->name == disease->name)
332	return 0; /* already diseased */	327	return 0; /* already diseased */
333	}
334		328
335	/* If we've gotten this far, go ahead and infect the victim. */	329	/* If we've gotten this far, go ahead and infect the victim. */
336	new_disease = get_object ();	330
337	copy_object (disease, new_disease);	331	new_disease = disease->clone ();
		332
338	new_disease->stats.food = disease->stats.maxgrace;	333	new_disease->stats.food = disease->stats.maxgrace;
339	new_disease->value = disease->stats.maxhp;	334	new_disease->value = disease->stats.maxhp;
340	new_disease->stats.wc -= disease->last_grace; /* self-limiting factor */	335	new_disease->stats.wc -= disease->last_grace; /* self-limiting factor */
341		336
342	/* Unfortunately, set_owner does the wrong thing to the skills pointers
343	* resulting in exp going into the owners current chosen skill.
344	*/
345
346	if (get_owner (disease))
347	{
348	set_owner (new_disease, disease->owner);
349
350	/* Only need to update skill if different */
351	if (new_disease->skill != disease->skill)
352	new_disease->skill = disease->skill;
353	}
354	else
355	{ /* for diseases which are passed by hitting, set owner and praying skill */
356	if (disease->env && disease->env->type == PLAYER)
357	{
358	object *player = disease->env;
359
360	set_owner (new_disease, player);
361
362	/* the skill pointer for these diseases should already be set up -
363	* hardcoding in 'praying' is not the right approach.
364	*/
365	}
366	}
367
368	insert_ob_in_ob (new_disease, victim);
369	/* This appears to be a horrible case of overloading 'NO_PASS'	337	/* This appears to be a horrible case of overloading 'NO_PASS'
370	* for meaning in the diseases.	338	* for meaning in the diseases.
371	*/	339	*/
372	new_disease->move_block = 0;	340	new_disease->move_block = 0;
		341
		342	// insert before setting the owner
		343	victim->head_ ()->insert (new_disease);
		344
		345	if (disease->owner)
		346	new_disease->set_owner (disease->owner);
		347	else if (object *pl = disease->in_player ())
		348	/* for diseases which are passed by hitting, set owner and skill */
		349	new_disease->set_owner (pl);
		350
373	if (new_disease->owner && new_disease->owner->type == PLAYER)	351	if (new_disease->owner && new_disease->owner->type == PLAYER)
374	{	352	{
375	char buf[128];	353	const char *buf;
376		354
377	/* if the disease has a title, it has a special infection message	355	/* if the disease has a title, it has a special infection message
378	* This messages is printed in the form MESSAGE victim	356	* This messages is printed in the form MESSAGE victim
379	*/	357	*/
380	if (new_disease->title)	358	if (new_disease->title)
381	sprintf (buf, "%s %s!!", &disease->title, &victim->name);	359	buf = format ("%s %s!!", &disease->title, &victim->name);
382	else	360	else
383	sprintf (buf, "You infect %s with your disease, %s!", &victim->name, &new_disease->name);	361	buf = format ("You infect %s with your disease, %s!", &victim->name, &new_disease->name);
384		362
385	if (victim->type == PLAYER)	363	if (victim->type == PLAYER)
386	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, new_disease->owner, buf);	364	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, new_disease->owner, buf);
387	else	365	else
388	new_draw_info (0, 4, new_disease->owner, buf);	366	new_draw_info (0, 4, new_disease->owner, buf);
389	}	367	}
		368
390	if (victim->type == PLAYER)	369	if (victim->type == PLAYER)
391	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, victim, "You suddenly feel ill.");	370	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, victim, "You suddenly feel ill.");
392		371
393	return 1;	372	return 1;
394
395	}	373	}
396
397
398		374
399	/* this function monitors the symptoms caused by the disease (if any),	375	/* this function monitors the symptoms caused by the disease (if any),
400	causes symptoms, and modifies existing symptoms in the case of	376	causes symptoms, and modifies existing symptoms in the case of
401	existing diseases. */	377	existing diseases. */
402
403	int	378	int
404	do_symptoms (object *disease)	379	do_symptoms (object *disease)
405	{	380	{
406	object *symptom;	381	object *symptom;
407	object *victim;	382	object *victim;
408	object *tmp;	383	object *tmp;
409		384
410	victim = disease->env;	385	victim = disease->env;
		386
		387	if (!victim)
		388	return 0; /* no-one to inflict symptoms on */
411		389
412	/* This is a quick hack - for whatever reason, disease->env will point	390	/* This is a quick hack - for whatever reason, disease->env will point
413	* back to disease, causing endless loops. Why this happens really needs	391	* back to disease, causing endless loops. Why this happens really needs
414	* to be found, but this should at least prevent the infinite loops.	392	* to be found, but this should at least prevent the infinite loops.
415	*/	393	*/
416		394	//TODO: should no longer be the case, monitor, and remove
417	if (victim == NULL \|\| victim == disease)	395	if (victim == disease)
418	return 0; /* no-one to inflict symptoms on */	396	{
		397	LOG (llevError \| logBacktrace, "%s: disease->env points to itself", disease->debug_desc ());
		398	return 0;
		399	}
419		400
420	symptom = find_symptom (disease);	401	symptom = find_symptom (disease);
421	if (symptom == NULL)	402	if (!symptom)
422	{	403	{
423	/* no symptom? need to generate one! */	404	/* no symptom? need to generate one! */
424	object *new_symptom;
425		405
426	/* first check and see if the carrier of the disease is immune. If so, no symptoms! */	406	/* first check and see if the carrier of the disease is immune. If so, no symptoms! */
427	if (!is_susceptible_to_disease (victim, disease))	407	if (!is_susceptible_to_disease (victim, disease))
428	return 0;	408	return 0;
429		409
430	/* check for an actual immunity */	410	/* check for an actual immunity */
431	/* do an immunity check */	411	/* do an immunity check */
432	if (victim->head)	412	for (tmp = victim->head_ ()->inv; tmp; tmp = tmp->below)
433	tmp = victim->head->inv;
434	else
435	tmp = victim->inv;
436
437	for ( /* tmp initialized in if, above */ ; tmp; tmp = tmp->below)
438	{
439	if (tmp->type == SIGN) /* possibly an immunity, or diseased */	413	if (tmp->type == SIGN) /* possibly an immunity, or diseased */
440	if (!strcmp (tmp->name, disease->name) && tmp->level >= disease->level)	414	if (tmp->name == disease->name && tmp->level >= disease->level)
441	return 0; /Immune! /	415	return 0; /* Immune! */
442	}
443		416
444	new_symptom = get_archetype (ARCH_SYMPTOM);	417	object *new_symptom = get_archetype ("symptom");
445		418
446	/* Something special done with dam. We want diseases to be more	419	/* Something special done with dam. We want diseases to be more
447	* random in what they'll kill, so we'll make the damage they	420	* random in what they'll kill, so we'll make the damage they
448	* do random, note, this has a weird effect with progressive diseases.	421	* do random, note, this has a weird effect with progressive diseases.
449	*/	422	*/
450	if (disease->stats.dam != 0)	423	if (disease->stats.dam)
451	{	424	{
452	int dam = disease->stats.dam;	425	int dam = disease->stats.dam;
453		426
454	/* reduce the damage, on average, 50%, and making things random. */	427	/* reduce the damage, on average, 50%, and making things random. */
455		428
456	dam = random_roll (1, FABS (dam), victim, PREFER_LOW);	429	dam = random_roll (1, abs (dam), victim, PREFER_LOW);
457	if (disease->stats.dam < 0)	430	if (disease->stats.dam < 0)
458	dam = -dam;	431	dam = -dam;
		432
459	new_symptom->stats.dam = dam;	433	new_symptom->stats.dam = dam;
460	}	434	}
461		435
462
463	new_symptom->stats.maxsp = disease->stats.maxsp;	436	new_symptom->stats.maxsp = disease->stats.maxsp;
464	new_symptom->stats.food = new_symptom->stats.maxgrace;	437	new_symptom->stats.food = new_symptom->stats.maxgrace;
465		438
466	new_symptom->name = new_symptom->name_pl = disease->name;	439	new_symptom->name = new_symptom->name_pl = disease->name;
467		440
468	new_symptom->level = disease->level;	441	new_symptom->level = disease->level;
469	new_symptom->speed = disease->speed;	442	new_symptom->speed = disease->speed;
470	new_symptom->value = 0;	443	new_symptom->value = 0;
		444
		445	for (int i = 0; i < NUM_STATS; ++i)
471	new_symptom->stats.Str = disease->stats.Str;	446	new_symptom->stats.stat (i) = disease->stats.stat (i);
472	new_symptom->stats.Dex = disease->stats.Dex;	447
473	new_symptom->stats.Con = disease->stats.Con;
474	new_symptom->stats.Wis = disease->stats.Wis;
475	new_symptom->stats.Int = disease->stats.Int;
476	new_symptom->stats.Pow = disease->stats.Pow;
477	new_symptom->stats.Cha = disease->stats.Cha;
478	new_symptom->stats.sp = disease->stats.sp;	448	new_symptom->stats.sp = disease->stats.sp;
479	new_symptom->stats.food = disease->last_eat;	449	new_symptom->stats.food = disease->last_eat;
480	new_symptom->stats.maxsp = disease->stats.maxsp;	450	new_symptom->stats.maxsp = disease->stats.maxsp;
481	new_symptom->last_sp = disease->last_sp;	451	new_symptom->last_sp = disease->last_sp;
482	new_symptom->stats.exp = 0;	452	new_symptom->stats.exp = 0;
483	new_symptom->stats.hp = disease->stats.hp;	453	new_symptom->stats.hp = disease->stats.hp;
484	new_symptom->msg = disease->msg;	454	new_symptom->msg = disease->msg;
485	new_symptom->attacktype = disease->attacktype;	455	new_symptom->attacktype = disease->attacktype;
486	new_symptom->other_arch = disease->other_arch;	456	new_symptom->other_arch = disease->other_arch;
487
488	set_owner (new_symptom, disease->owner);
489
490	if (new_symptom->skill != disease->skill)
491	new_symptom->skill = disease->skill;	457	new_symptom->skill = disease->skill;
492		458
493	new_symptom->move_block = 0;	459	new_symptom->move_block = 0;
494	insert_ob_in_ob (new_symptom, victim);	460
		461	victim->head_ ()->insert (new_symptom);
		462
		463	// set owner last, as insert clears owner
		464	new_symptom->set_owner (disease->owner);
		465
495	return 1;	466	return 1;
496	}	467	}
497		468
498	/* now deal with progressing diseases: we increase the debility	469	/* now deal with progressing diseases: we increase the debility
499	* caused by the symptoms.	470	* caused by the symptoms.
500	*/	471	*/
501
502	if (disease->stats.ac != 0)	472	if (disease->stats.ac)
503	{	473	{
504	float scale;	474	symptom->value = clamp (symptom->value + disease->stats.ac, 0, 100*100);
505		475
506	symptom->value += disease->stats.ac;
507	scale = 1.0 + symptom->value / 100.0;	476	float scale = 1.f + symptom->value / 100.f;
		477
508	/* now rescale all the debilities */	478	/* now rescale all the debilities */
509	symptom->stats.Str = (int) (scale * disease->stats.Str);	479	for (int i = 0; i < NUM_STATS; ++i)
510	symptom->stats.Dex = (int) (scale * disease->stats.Dex);	480	symptom->stats.stat (i) = clamp (int (scale * disease->stats.stat (i)), -128, 127);
511	symptom->stats.Con = (int) (scale * disease->stats.Con);	481
512	symptom->stats.Wis = (int) (scale * disease->stats.Wis);
513	symptom->stats.Int = (int) (scale * disease->stats.Int);
514	symptom->stats.Pow = (int) (scale * disease->stats.Pow);
515	symptom->stats.Cha = (int) (scale * disease->stats.Cha);
516	symptom->stats.dam = (int) (scale * disease->stats.dam);	482	symptom->stats.dam = clamp (scale * disease->stats.dam , -1024, 1024);
517	symptom->stats.sp = (int) (scale * disease->stats.sp);
518	symptom->stats.food = (int) (scale * disease->last_eat);	483	symptom->stats.food = clamp (scale * disease->last_eat , -1024, 1024);
519	symptom->stats.maxsp = (int) (scale * disease->stats.maxsp);	484	symptom->stats.maxsp = clamp (scale * disease->stats.maxsp, -1024, 1024);
520	symptom->last_sp = (int) (scale * disease->last_sp);	485	symptom->stats.sp = clamp (scale * disease->stats.sp , -1024, 1024);
		486	symptom->stats.hp = clamp (scale * disease->stats.hp , -1024, 1024);
521	symptom->stats.exp = 0;	487	symptom->stats.exp = 0;
522	symptom->stats.hp = (int) (scale * disease->stats.hp);	488	symptom->last_sp = disease->last_sp ? clamp (disease->last_sp / scale, 1, 1024) : 0;
523	symptom->msg = disease->msg;	489	symptom->msg = disease->msg;
524	symptom->attacktype = disease->attacktype;	490	symptom->attacktype = disease->attacktype;
525	symptom->other_arch = disease->other_arch;	491	symptom->other_arch = disease->other_arch;
526	}	492	}
		493
527	SET_FLAG (symptom, FLAG_APPLIED);	494	SET_FLAG (symptom, FLAG_APPLIED);
528	fix_player (victim);	495	victim->update_stats ();
		496
529	return 1;	497	return 1;
530	}	498	}
531
532		499
533	/* grants immunity to plagues we've seen before. */	500	/* grants immunity to plagues we've seen before. */
534	int	501	int
535	grant_immunity (object *disease)	502	grant_immunity (object *disease)
536	{	503	{
…		…
538	object *walk;	505	object *walk;
539		506
540	/* Don't give immunity to this disease if last_heal is set. */	507	/* Don't give immunity to this disease if last_heal is set. */
541	if (disease->last_heal)	508	if (disease->last_heal)
542	return 0;	509	return 0;
		510
543	/* first, search for an immunity of the same name */	511	/* first, search for an immunity of the same name */
544	for (walk = disease->env->inv; walk; walk = walk->below)	512	for (walk = disease->env->inv; walk; walk = walk->below)
545	{
546	if (walk->type == 98 && !strcmp (disease->name, walk->name))	513	if (walk->type == 98 && disease->name == walk->name)
547	{	514	{
548	walk->level = disease->level;	515	walk->level = disease->level;
549	return 1; /* just update the existing immunity. */	516	return 1; /* just update the existing immunity. */
550	}	517	}
551	}	518
552	immunity = get_archetype ("immunity");	519	immunity = get_archetype ("immunity");
		520
553	immunity->name = disease->name;	521	immunity->name = disease->name;
554	immunity->level = disease->level;	522	immunity->level = disease->level;
555	immunity->move_block = 0;	523	immunity->move_block = 0;
		524
556	insert_ob_in_ob (immunity, disease->env);	525	insert_ob_in_ob (immunity, disease->env);
		526
557	return 1;	527	return 1;
558
559	}	528	}
560
561		529
562	/* make the symptom do the nasty things it does */	530	/* make the symptom do the nasty things it does */
563
564	int	531	int
565	move_symptom (object *symptom)	532	move_symptom (object *symptom)
566	{	533	{
567	object *victim = symptom->env;	534	object *victim = symptom->env;
568	object *new_ob;	535	object *new_ob;
569	int sp_reduce;	536	int sp_reduce;
570		537
571	if (victim == NULL \|\| victim->map == NULL)	538	if (!victim \|\| !victim->map)
572	{ /* outside a monster/player, die immediately */	539	{ /* outside a monster/player, die immediately */
573	remove_ob (symptom);	540	symptom->destroy ();
574	free_object (symptom);
575	return 0;	541	return 0;
576	}	542	}
577		543
578	if (symptom->stats.dam > 0)	544	if (symptom->stats.dam > 0)
579	hit_player (victim, symptom->stats.dam, symptom, symptom->attacktype, 1);	545	hit_player (victim, symptom->stats.dam, symptom, symptom->attacktype, 1);
580	else	546	else
581	hit_player (victim, (int) MAX (1, -victim->stats.maxhp * symptom->stats.dam / 100.0), symptom, symptom->attacktype, 1);	547	hit_player (victim, max (1, -victim->stats.maxhp * symptom->stats.dam / 100), symptom, symptom->attacktype, 1);
582		548
583	if (symptom->stats.maxsp > 0)	549	if (symptom->stats.maxsp > 0)
584	sp_reduce = symptom->stats.maxsp;	550	sp_reduce = symptom->stats.maxsp;
585	else	551	else
586	sp_reduce = (int) MAX (1, victim->stats.maxsp * symptom->stats.maxsp / 100.0);	552	sp_reduce = max (1, victim->stats.maxsp * symptom->stats.maxsp / 100);
		553
587	victim->stats.sp = MAX (0, victim->stats.sp - sp_reduce);	554	victim->stats.sp = max (0, victim->stats.sp - sp_reduce);
588		555
589	/* create the symptom "other arch" object and drop it here	556	/* create the symptom "other arch" object and drop it here
590	* under every part of the monster	557	* under every part of the monster
591	* The victim may well have died.	558	* The victim may well have died.
592	*/	559	*/
593
594	if (victim->map == NULL)	560	if (victim->map)
595	return 0;	561	{
		562	victim->play_sound (symptom->sound);
		563
596	if (symptom->other_arch)	564	if (symptom->other_arch)
597	{	565	for (object *tmp = victim->head_ (); tmp; tmp = tmp->more)
598	object *tmp;
599
600	tmp = victim;
601	if (tmp->head != NULL)
602	tmp = tmp->head;
603	for ( /tmp initialized above / ; tmp != NULL; tmp = tmp->more)
604	{	566	{
605	new_ob = arch_to_object (symptom->other_arch);	567	new_ob = arch_to_object (symptom->other_arch);
606	new_ob->x = tmp->x;	568	new_ob->x = tmp->x;
607	new_ob->y = tmp->y;	569	new_ob->y = tmp->y;
608	new_ob->map = victim->map;	570	new_ob->map = victim->map;
609	insert_ob_in_map (new_ob, victim->map, victim, 0);	571	insert_ob_in_map (new_ob, victim->map, victim, 0);
610	}	572	}
611	}	573	}
		574
612	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, victim, symptom->msg);	575	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, victim, symptom->msg);
613		576
614	return 1;	577	return 1;
615	}	578	}
616		579
617
618	/* possibly infect due to direct physical contact	580	/* possibly infect due to direct physical contact
619	i.e., AT_PHYSICAL-- called from "hit_player_attacktype" */	581	* i.e., AT_PHYSICAL-- called from "hit_player_attacktype" */
620
621	int	582	int
622	check_physically_infect (object victim, object hitter)	583	check_physically_infect (object victim, object hitter)
623	{	584	{
624	object *walk;
625
626	/* search for diseases, give every disease a chance to infect */	585	/* search for diseases, give every disease a chance to infect */
627	for (walk = hitter->inv; walk != NULL; walk = walk->below)	586	for (object *disease = hitter->inv; disease; disease = disease->below)
628	if (walk->type == DISEASE)	587	if (disease->type == DISEASE)
629	infect_object (victim, walk, 0);	588	infect_object (victim, disease, 0);
		589
630	return 1;	590	return 1;
631	}	591	}
632		592
633	/* find a disease in someone*/	593	// find a disease in someone
634	object *	594	object *
635	find_disease (object *victim)	595	find_disease (object *victim)
636	{	596	{
637	object *walk;	597	for (object *disease = victim->inv; disease; disease = disease->below)
638
639	for (walk = victim->inv; walk; walk = walk->below)
640	if (walk->type == DISEASE)	598	if (disease->type == DISEASE)
641	return walk;	599	return disease;
		600
642	return NULL;	601	return 0;
643	}	602	}
644		603
645	/* do the cure disease stuff, from the spell "cure disease" */	604	/* do the cure disease stuff, from the spell "cure disease" */
646
647	int	605	int
648	cure_disease (object sufferer, object caster)	606	cure_disease (object sufferer, object caster, object *spell)
649	{	607	{
650	object disease, next;	608	object disease, next;
651	int casting_level;
652	int cure = 0;	609	int cure = 0;
653		610
654	if (caster)
655	casting_level = caster->level;
656	else
657	casting_level = 1000; /* if null caster, CURE all. */	611	int casting_level = caster ? caster->level : 1000; /* if null caster, CURE all. */
658		612
659	for (disease = sufferer->inv; disease; disease = next)	613	for (disease = sufferer->inv; disease; disease = next)
660	{	614	{
661	next = disease->below;	615	next = disease->below;
662		616
663	if (disease->type == DISEASE)	617	if (disease->type == DISEASE)
664	{ /* attempt to cure this disease */	618	{ /* attempt to cure this disease */
665	/* If caster lvel is higher than disease level, cure chance	619	/* If caster level is higher than disease level, cure chance
666	* is automatic. If lower, then the chance is basically	620	* is automatic. If lower, then the chance is basically
667	* 1 in level_diff - if there is a 5 level difference, chance	621	* 1 in level_diff - if there is a 5 level difference, chance
668	* is 1 in 5.	622	* is 1 in 5.
669	*/	623	*/
670	if ((casting_level >= disease->level) \|\| (!(random_roll (0, (disease->level - casting_level - 1), caster, PREFER_LOW))))	624	if ((casting_level >= disease->level) \|\| (!(random_roll (0, (disease->level - casting_level - 1), caster, PREFER_LOW))))
671	{	625	{
672
673	remove_symptoms (disease);	626	remove_symptoms (disease);
674	remove_ob (disease);
675	cure = 1;	627	cure = 1;
		628
676	if (caster)	629	if (caster && spell)
677	change_exp (caster, disease->stats.exp, caster->chosen_skill ? &caster->chosen_skill->skill : (const char *) 0, 0);	630	change_exp (caster, disease->stats.exp, spell->skill, SK_EXP_SKILL_ONLY);
678	free_object (disease);	631
		632	disease->destroy ();
679	}	633	}
680	}	634	}
681	}	635	}
		636
682	if (cure)	637	if (cure)
683	{	638	{
684	/* Only draw these messages once */	639	/* Only draw these messages once */
685	if (caster)	640	if (caster)
686	new_draw_info_format (NDI_UNIQUE, 0, caster, "You cure a disease!");	641	new_draw_info_format (NDI_UNIQUE, 0, caster, "You cure a disease!");
		642
687	new_draw_info (NDI_UNIQUE, 0, sufferer, "You no longer feel diseased.");	643	new_draw_info (NDI_UNIQUE, 0, sufferer, "You no longer feel diseased.");
688	}	644	}
		645
689	return 1;	646	return 1;
690	}	647	}
691		648
692	/* reduces disease progression: reduce_symptoms	649	/* reduces disease progression: reduce_symptoms
693	* return true if we actually reduce a disease.	650	* return true if we actually reduce a disease.
694	*/	651	*/
695
696	int	652	int
697	reduce_symptoms (object *sufferer, int reduction)	653	reduce_symptoms (object *sufferer, int reduction)
698	{	654	{
699	object *walk;	655	object *walk;
700	int success = 0;	656	int success = 0;
…		…
704	if (walk->type == SYMPTOM)	660	if (walk->type == SYMPTOM)
705	{	661	{
706	if (walk->value > 0)	662	if (walk->value > 0)
707	{	663	{
708	success = 1;	664	success = 1;
709	walk->value = MAX (0, walk->value - 2 * reduction);	665	walk->value = max (0, walk->value - 2 * reduction);
710	/* give the disease time to modify this symptom,	666	/* give the disease time to modify this symptom,
711	* and reduce its severity. */	667	* and reduce its severity. */
712	walk->speed_left = 0;	668	walk->speed_left = 0;
713	}	669	}
714	}	670	}
715	}	671	}
		672
716	if (success)	673	if (success)
717	new_draw_info (NDI_UNIQUE, 0, sufferer, "Your illness seems less severe.");	674	new_draw_info (NDI_UNIQUE, 0, sufferer, "Your illness seems less severe.");
		675
718	return success;	676	return success;
719	}	677	}

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Comparing deliantra/server/server/disease.C (file contents): Revision 1.7 by root, Thu Oct 5 16:50:07 2006 UTC vs. Revision 1.45 by root, Sun Nov 25 13:28:07 2007 UTC

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Comparing deliantra/server/server/disease.C (file contents):
Revision 1.7 by root, Thu Oct 5 16:50:07 2006 UTC vs.
Revision 1.45 by root, Sun Nov 25 13:28:07 2007 UTC