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

Comparing deliantra/server/server/disease.C (file contents):
Revision 1.2 by root, Tue Aug 29 08:01:37 2006 UTC vs.
Revision 1.38 by root, Fri Aug 24 01:23:29 2007 UTC

…		…
1	/*	1	/*
2	* static char *rcsid_disease_c =	2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3	* "$Id: disease.C,v 1.2 2006/08/29 08:01:37 root Exp $";	3	*
		4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
		5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
		6	* Copyright (©) 1992,2007 Frank Tore Johansen
		7	*
		8	* Crossfire TRT is free software: you can redistribute it and/or modify
		9	* it under the terms of the GNU General Public License as published by
		10	* the Free Software Foundation, either version 3 of the License, or
		11	* (at your option) any later version.
		12	*
		13	* This program is distributed in the hope that it will be useful,
		14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
		15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		16	* GNU General Public License for more details.
		17	*
		18	* You should have received a copy of the GNU General Public License
		19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
		20	*
		21	* The authors can be reached via e-mail to <crossfire@schmorp.de>
4	*/	22	*/
5	/*
6	CrossFire, A Multiplayer game for X-windows
7		23
8	Copyright (C) 2002 Mark Wedel & Crossfire Development Team
9	Copyright (C) 1992 Frank Tore Johansen
10
11	This program is free software; you can redistribute it and/or modify
12	it under the terms of the GNU General Public License as published by
13	the Free Software Foundation; either version 2 of the License, or
14	(at your option) any later version.
15
16	This program is distributed in the hope that it will be useful,
17	but WITHOUT ANY WARRANTY; without even the implied warranty of
18	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19	GNU General Public License for more details.
20
21	You should have received a copy of the GNU General Public License
22	along with this program; if not, write to the Free Software
23	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24
25	The authors can be reached via e-mail to crossfire-devel@real-time.com
26	*/
27
28	/* This file contains all the code implementing diseases,	24	/* This file contains all the code implementing diseases,
29	except for odds and ends in attack.c and in	25	* except for odds and ends in attack.c and in
30	living.c*/	26	* living.c
31		27	*/
32
33		28
34	/*	29	/*
35		30
36	For DISEASES:	31	For DISEASES:
37	Stat Property Definition	32	Stat Property Definition
49	dam^ Damage How much damage it does (%?).	44	dam^ Damage How much damage it does (%?).
50	maxgrace+ Duration How long before the disease is naturally cured.	45	maxgrace+ Duration How long before the disease is naturally cured.
51	food DurCount Counter for Duration	46	food DurCount Counter for Duration
52		47
53	speed Speed How often the disease moves.	48	speed Speed How often the disease moves.
54	last_sp^ Lethargy Percentage of max speed--10 = 10% speed.	49	last_sp^ Lethargy Percentage of max speed. 10 = 10% speed.
55		50
56	maxsp^ Mana deplete Saps mana.	51	maxsp^ Mana deplete Saps mana.
57	ac^ Progressiveness How the diseases increases in severity.	52	ac^ Progressiveness How the diseases increases in severity.
58	last_eat*^ Deplete food saps food if negative	53	last_eat*^ Deplete food saps food if negative
59	last_heal GrantImmunity If nonzero, disease does NOT grant immunity	54	last_heal GrantImmunity If nonzero, disease does NOT grant immunity
…		…
130		125
131		126
132	#include <global.h>	127	#include <global.h>
133	#include <object.h>	128	#include <object.h>
134	#include <living.h>	129	#include <living.h>
135	#ifndef __CEXTRACT__
136	#include <sproto.h>	130	#include <sproto.h>
137	#endif
138	#include <spells.h>	131	#include <spells.h>
139	#include <sounds.h>	132	#include <sounds.h>
140	#include <skills.h>	133	#include <skills.h>
141		134
142	/* IMPLEMENTATION NOTES	135	/* IMPLEMENTATION NOTES
…		…
145	inventory. They themselves do nothing, except modify Symptoms, or	138	inventory. They themselves do nothing, except modify Symptoms, or
146	spread to other live objects. Symptoms are what actually damage the player:	139	spread to other live objects. Symptoms are what actually damage the player:
147	these are their own object. */	140	these are their own object. */
148		141
149	/* check if victim is susceptible to disease. */	142	/* check if victim is susceptible to disease. */
		143	static int
150	static int is_susceptible_to_disease(object victim, object disease)	144	is_susceptible_to_disease (object victim, object disease)
151	{	145	{
152	if(!QUERY_FLAG(victim,FLAG_ALIVE)) return 0;	146	if (!QUERY_FLAG (victim, FLAG_ALIVE))
153
154	if(strstr(disease->race, "*") && !QUERY_FLAG(victim, FLAG_UNDEAD))
155	return 1;
156
157	if((disease->race == undead_name) && QUERY_FLAG(victim, FLAG_UNDEAD))
158	return 1;
159
160	if((victim->race && strstr(disease->race, victim->race)) \|\|
161	strstr(disease->race, victim->name))
162	return 1;
163
164	return 0;	147	return 0;
165	}
166		148
		149	if (strstr (disease->race, "*") && !QUERY_FLAG (victim, FLAG_UNDEAD))
		150	return 1;
		151
		152	if ((disease->race == shstr_undead) && QUERY_FLAG (victim, FLAG_UNDEAD))
		153	return 1;
		154
		155	if ((victim->race && strstr (disease->race, victim->race)) \|\| strstr (disease->race, victim->name))
		156	return 1;
		157
		158	return 0;
		159	}
		160
		161	int
167	int move_disease(object *disease) {	162	move_disease (object *disease)
		163	{
168	/* first task is to determine if the disease is inside or outside of someone.	164	/* first task is to determine if the disease is inside or outside of someone.
169	* If outside, we decrement 'value' until we're gone.	165	* If outside, we decrement 'value' until we're gone.
170	*/	166	*/
171		167
172	if(disease->env==NULL) { /* we're outside of someone */	168	if (!disease->env)
		169	{ /* we're outside of someone */
173	if ( disease->stats.maxhp > 0 ) disease->value--;	170	if (disease->stats.maxhp > 0)
		171	disease->value--;
		172
174	if(disease->value==0) {	173	if (!disease->value)
175	remove_ob(disease);	174	{
176	free_object(disease);	175	disease->destroy ();
177	return 1;	176	return 1;
178	}	177	}
179	} else {	178	}
		179	else
		180	{
180	/* if we're inside a person, have the disease run its course */	181	/* if we're inside a person, have the disease run its course */
181	/* negative foods denote "perpetual" diseases. */	182	/* negative/zero food denotes "perpetual" diseases. */
182	if(disease->stats.food>0) {	183	if (disease->stats.food > 0)
		184	{
183	disease->stats.food--;	185	disease->stats.food--;
		186
184	if (disease->stats.food==0) {	187	if (!disease->stats.food)
		188	{
185	remove_symptoms(disease); /* remove the symptoms of this disease */	189	remove_symptoms (disease); /* remove the symptoms of this disease */
186	grant_immunity(disease);	190	grant_immunity (disease);
187	remove_ob(disease);	191	disease->destroy ();
188	free_object(disease);
189	return 1;	192	return 1;
190	}	193	}
191	}	194	}
192	}	195	}
		196
193	/* check to see if we infect others */	197	/* check to see if we infect others */
194	check_infection(disease);	198	check_infection (disease);
195		199
196	/* impose or modify the symptoms of the disease */	200	/* impose or modify the symptoms of the disease */
197	if(disease->env && is_susceptible_to_disease(disease->env, disease))	201	if (disease->env && is_susceptible_to_disease (disease->env, disease))
198	do_symptoms(disease);	202	do_symptoms (disease);
199		203
200	return 0;	204	return 0;
201	}	205	}
202		206
203	/* remove any symptoms of disease	207	/* remove any symptoms of disease
204	* Modified by MSW 2003-03-28 do try to find all the symptom the	208	* Modified by MSW 2003-03-28 do try to find all the symptom the
205	* player may have - I think through some odd interactoins with	209	* player may have - I think through some odd interactoins with
206	* disease level and player level and whatnot, a player could get	210	* disease level and player level and whatnot, a player could get
207	* more than one symtpom to a disease.	211	* more than one symtpom to a disease.
208	*/	212	*/
209		213	int
210	int remove_symptoms(object *disease) {	214	remove_symptoms (object *disease)
		215	{
211	object symptom, victim=NULL;	216	object symptom, victim = NULL;
212		217
213	while ((symptom = find_symptom(disease)) != NULL) {	218	while ((symptom = find_symptom (disease)) != NULL)
214	if (!victim) victim=symptom->env;
215	remove_ob(symptom);
216	free_object(symptom);
217	}	219	{
218	if(victim) fix_player(victim);	220	if (!victim)
		221	victim = symptom->env;
		222
		223	symptom->destroy ();
		224	}
		225
		226	if (victim)
		227	victim->update_stats ();
		228
		229	return 0;
		230	}
		231
		232	/* argument is a disease */
		233	object *
		234	find_symptom (object *disease)
		235	{
		236	/* check the inventory for symptoms */
		237	for (object *walk = disease->env->inv; walk; walk = walk->below)
		238	if (walk->name == disease->name && walk->type == SYMPTOM)
		239	return walk;
		240
		241	return NULL;
		242	}
		243
		244	/* searches around for more victims to infect */
		245	int
		246	check_infection (object *disease)
		247	{
		248	int x, y, range, mflags;
		249	maptile map, map2;
		250	object *tmp;
		251
		252	range = abs (disease->magic);
		253
		254	if (disease->env)
		255	{
		256	x = disease->env->x;
		257	y = disease->env->y;
		258	map = disease->env->map;
		259	}
		260	else
		261	{
		262	x = disease->x;
		263	y = disease->y;
		264	map = disease->map;
		265	}
		266
		267	if (!map)
219	return 0;	268	return 0;
220	}
221		269
222	/* argument is a disease */	270	for (int i = x - range; i <= x + range; i++)
223	object * find_symptom(object *disease) {	271	for (int j = y - range; j <= y + range; j++)
224	object *walk;	272	{
225
226	/* check the inventory for symptoms */
227	for(walk=disease->env->inv;walk;walk = walk->below)
228	if(!strcmp(walk->name,disease->name)&&walk->type==SYMPTOM) return walk;
229	return NULL;
230	}
231
232	/* searches around for more victims to infect */
233	int check_infection(object *disease) {
234	int x,y,range, mflags;
235	mapstruct map, map2;
236	object *tmp;
237	sint16 i, j, i2, j2;	273	sint16 i2, j2;
238
239	range = abs(disease->magic);
240	if(disease->env) {
241	x = disease->env->x;
242	y = disease->env->y;
243	map=disease->env->map;
244	}
245	else {
246	x = disease->x;
247	y = disease->y;
248	map = disease->map;
249	}
250
251	if(map == NULL) return 0;
252	for(i=x-range;i<=x+range;i++) {
253	for(j=y-range;j<=y+range;j++) {
254	mflags = get_map_flags(map,&map2, i,j, &i2, &j2);	274	mflags = get_map_flags (map, &map2, i, j, &i2, &j2);
		275
255	if (!(mflags & P_OUT_OF_MAP) && (mflags & P_IS_ALIVE)) {	276	if (!(mflags & P_OUT_OF_MAP) && (mflags & P_IS_ALIVE))
256	for(tmp=get_map_ob(map2,i2,j2);tmp;tmp=tmp->above) {	277	for (tmp = GET_MAP_OB (map2, i2, j2); tmp; tmp = tmp->above)
257	infect_object(tmp,disease,0);	278	infect_object (tmp, disease, 0);
258	}
259	}
260	}	279	}
261	}	280
262	return 1;	281	return 1;
263	}	282	}
264
265		283
266	/* check to see if an object is infectable:	284	/* check to see if an object is infectable:
267	* objects with immunity aren't infectable.	285	* objects with immunity aren't infectable.
268	* objects already infected aren't infectable.	286	* objects already infected aren't infectable.
269	* dead objects aren't infectable.	287	* dead objects aren't infectable.
270	* undead objects are infectible only if specifically named.	288	* undead objects are infectible only if specifically named.
271	*/	289	*/
		290	int
272	int infect_object(object victim, object disease, int force) {	291	infect_object (object victim, object disease, int force)
		292	{
273	object *tmp;	293	object *tmp;
274	object *new_disease;	294	object *new_disease;
275		295
276	/* don't infect inanimate objects */	296	/* don't infect inanimate objects */
277	if(!QUERY_FLAG(victim,FLAG_MONSTER) && !(victim->type==PLAYER)) return 0;	297	if (!QUERY_FLAG (victim, FLAG_MONSTER) && !(victim->type == PLAYER))
		298	return 0;
278		299
279	/* check and see if victim can catch disease: diseases	300	/* check and see if victim can catch disease: diseases
280	* are specific	301	* are specific
281	*/	302	*/
282	if(!is_susceptible_to_disease(victim, disease)) return 0;	303	if (!is_susceptible_to_disease (victim, disease))
		304	return 0;
283		305
284	/* roll the dice on infection before doing the inventory check! */	306	/* roll the dice on infection before doing the inventory check! */
285	if(!force && (random_roll(0, 126, victim, PREFER_HIGH) >= disease->stats.wc))	307	if (!force && (random_roll (0, 126, victim, PREFER_HIGH) >= disease->stats.wc))
286	return 0;	308	return 0;
287		309
288	/* do an immunity check */	310	/* do an immunity check */
289	if(victim->head) tmp = victim->head->inv;
290	else tmp = victim->inv;
291		311
292	/* There used to (IMO) be a flaw in the below - it used to be the case	312	/* There used to (IMO) be a flaw in the below - it used to be the case
293	* that if level check was done for both immunity and disease. This could	313	* that if level check was done for both immunity and disease. This could
294	* result in a person with multiple afflictions of the same disease	314	* result in a person with multiple afflictions of the same disease
295	* (eg, level 1 cold, level 2 cold, level 3 cold, etc), as long as	315	* (eg, level 1 cold, level 2 cold, level 3 cold, etc), as long as
296	* they were cast in that same order. Instead, change it so that	316	* they were cast in that same order. Instead, change it so that
297	* if you diseased, you can't get diseased more.	317	* if you diseased, you can't get diseased more.
298	*/	318	*/
299		319
300	for(/* tmp initialized in if, above */;tmp;tmp=tmp->below) {	320	for (tmp = victim->head_ ()->inv; tmp; tmp = tmp->below)
301	if(tmp->type == SIGN && !strcmp(tmp->name,disease->name) && tmp->level >= disease->level)	321	if (tmp->type == SIGN && tmp->name == disease->name && tmp->level >= disease->level)
302	return 0; /Immune! /	322	return 0; /* Immune! */
303	else if (tmp->type==DISEASE && !strcmp(tmp->name,disease->name))	323	else if (tmp->type == DISEASE && tmp->name == disease->name)
304	return 0; /* already diseased */	324	return 0; /* already diseased */
305	}
306		325
307	/* If we've gotten this far, go ahead and infect the victim. */	326	/* If we've gotten this far, go ahead and infect the victim. */
308	new_disease = get_object();	327
309	copy_object(disease,new_disease);	328	new_disease = disease->clone ();
		329
310	new_disease->stats.food=disease->stats.maxgrace;	330	new_disease->stats.food = disease->stats.maxgrace;
311	new_disease->value=disease->stats.maxhp;	331	new_disease->value = disease->stats.maxhp;
312	new_disease->stats.wc -= disease->last_grace; /* self-limiting factor */	332	new_disease->stats.wc -= disease->last_grace; /* self-limiting factor */
313		333
314	/* Unfortunately, set_owner does the wrong thing to the skills pointers
315	* resulting in exp going into the owners current chosen skill.
316	*/
317
318	if(get_owner(disease)) {
319	set_owner(new_disease,disease->owner);
320
321	/* Only need to update skill if different */
322	if (new_disease->skill != disease->skill) {
323	if (new_disease->skill) free_string(new_disease->skill);
324	if (disease->skill) new_disease->skill = add_refcount(disease->skill);
325	}
326	}
327	else { /* for diseases which are passed by hitting, set owner and praying skill*/
328	if(disease->env && disease->env->type==PLAYER) {
329	object *player = disease->env;
330
331	set_owner(new_disease,player);
332	/* the skill pointer for these diseases should already be set up -
333	* hardcoding in 'praying' is not the right approach.
334	*/
335	}
336	}
337
338	insert_ob_in_ob(new_disease,victim);
339	/* This appears to be a horrible case of overloading 'NO_PASS'	334	/* This appears to be a horrible case of overloading 'NO_PASS'
340	* for meaning in the diseases.	335	* for meaning in the diseases.
341	*/	336	*/
342	new_disease->move_block = 0;	337	new_disease->move_block = 0;
		338
		339	// insert before setting the owner
		340	victim->head_ ()->insert (new_disease);
		341
		342	if (disease->owner)
		343	new_disease->set_owner (disease->owner);
		344	else if (object *pl = disease->in_player ())
		345	/* for diseases which are passed by hitting, set owner and skill */
		346	new_disease->set_owner (pl);
		347
343	if(new_disease->owner && new_disease->owner->type==PLAYER) {	348	if (new_disease->owner && new_disease->owner->type == PLAYER)
344	char buf[128];	349	{
		350	const char *buf;
		351
345	/* if the disease has a title, it has a special infection message	352	/* if the disease has a title, it has a special infection message
346	* This messages is printed in the form MESSAGE victim	353	* This messages is printed in the form MESSAGE victim
347	*/	354	*/
348	if(new_disease->title)	355	if (new_disease->title)
349	sprintf(buf,"%s %s!!",disease->title,victim->name);	356	buf = format ("%s %s!!", &disease->title, &victim->name);
350	else	357	else
351	sprintf(buf,"You infect %s with your disease, %s!",victim->name,new_disease->name);	358	buf = format ("You infect %s with your disease, %s!", &victim->name, &new_disease->name);
352		359
353	if(victim->type == PLAYER)	360	if (victim->type == PLAYER)
354	new_draw_info(NDI_UNIQUE \| NDI_RED, 0, new_disease->owner, buf);	361	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, new_disease->owner, buf);
355	else	362	else
356	new_draw_info(0, 4, new_disease->owner, buf);	363	new_draw_info (0, 4, new_disease->owner, buf);
357	}	364	}
		365
358	if(victim->type==PLAYER)	366	if (victim->type == PLAYER)
359	new_draw_info(NDI_UNIQUE \| NDI_RED,0,victim,"You suddenly feel ill.");	367	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, victim, "You suddenly feel ill.");
360		368
361	return 1;	369	return 1;
362
363	}	370	}
364
365
366		371
367	/* this function monitors the symptoms caused by the disease (if any),	372	/* this function monitors the symptoms caused by the disease (if any),
368	causes symptoms, and modifies existing symptoms in the case of	373	causes symptoms, and modifies existing symptoms in the case of
369	existing diseases. */	374	existing diseases. */
370		375	int
371	int do_symptoms(object *disease) {	376	do_symptoms (object *disease)
		377	{
372	object *symptom;	378	object *symptom;
373	object *victim;	379	object *victim;
374	object *tmp;	380	object *tmp;
		381
375	victim = disease->env;	382	victim = disease->env;
376		383
		384	if (!victim)
		385	return 0; /* no-one to inflict symptoms on */
		386
377	/* This is a quick hack - for whatever reason, disease->env will point	387	/* This is a quick hack - for whatever reason, disease->env will point
378	* back to disease, causing endless loops. Why this happens really needs	388	* back to disease, causing endless loops. Why this happens really needs
379	* to be found, but this should at least prevent the infinite loops.	389	* to be found, but this should at least prevent the infinite loops.
380	*/	390	*/
		391	//TODO: should no longer be the case, monitor, and remove
		392	if (victim == disease)
		393	{
		394	LOG (llevError \| logBacktrace, "%s: disease->env points to itself", disease->debug_desc ());
		395	return 0;
		396	}
381		397
382	if(victim == NULL \|\| victim==disease)
383	return 0;/* no-one to inflict symptoms on */
384
385	symptom = find_symptom(disease);	398	symptom = find_symptom (disease);
386	if(symptom==NULL) {	399	if (!symptom)
		400	{
387	/* no symptom? need to generate one! */	401	/* no symptom? need to generate one! */
388	object *new_symptom;
389		402
390	/* first check and see if the carrier of the disease is immune. If so, no symptoms! */	403	/* first check and see if the carrier of the disease is immune. If so, no symptoms! */
391	if(!is_susceptible_to_disease(victim, disease)) return 0;	404	if (!is_susceptible_to_disease (victim, disease))
		405	return 0;
392		406
393	/* check for an actual immunity */	407	/* check for an actual immunity */
394	/* do an immunity check */	408	/* do an immunity check */
395	if(victim->head) tmp = victim->head->inv;	409	for (tmp = victim->head_ ()->inv; tmp; tmp = tmp->below)
396	else tmp = victim->inv;
397
398	for(/* tmp initialized in if, above */;tmp;tmp=tmp->below) {
399	if(tmp->type == SIGN) /* possibly an immunity, or diseased*/	410	if (tmp->type == SIGN) /* possibly an immunity, or diseased */
400	if(!strcmp(tmp->name,disease->name) && tmp->level >= disease->level)	411	if (tmp->name == disease->name && tmp->level >= disease->level)
401	return 0; /Immune! /	412	return 0; /* Immune! */
		413
		414	object *new_symptom = get_archetype ("symptom");
		415
		416	/* Something special done with dam. We want diseases to be more
		417	* random in what they'll kill, so we'll make the damage they
		418	* do random, note, this has a weird effect with progressive diseases.
		419	*/
		420	if (disease->stats.dam)
		421	{
		422	int dam = disease->stats.dam;
		423
		424	/* reduce the damage, on average, 50%, and making things random. */
		425
		426	dam = random_roll (1, abs (dam), victim, PREFER_LOW);
		427	if (disease->stats.dam < 0)
		428	dam = -dam;
		429
		430	new_symptom->stats.dam = dam;
402	}	431	}
403
404	new_symptom = get_archetype(ARCH_SYMPTOM);
405		432
406	/* Something special done with dam. We want diseases to be more
407	* random in what they'll kill, so we'll make the damage they
408	* do random, note, this has a weird effect with progressive diseases.
409	*/
410	if(disease->stats.dam != 0) {
411	int dam = disease->stats.dam;
412
413	/* reduce the damage, on average, 50%, and making things random. */
414
415	dam = random_roll(1, FABS(dam), victim, PREFER_LOW);
416	if(disease->stats.dam < 0) dam = -dam;
417	new_symptom->stats.dam = dam;
418	}
419
420
421	new_symptom->stats.maxsp = disease->stats.maxsp;
422	new_symptom->stats.food = new_symptom->stats.maxgrace;
423
424	FREE_AND_COPY(new_symptom->name, disease->name);
425	FREE_AND_COPY(new_symptom->name_pl, disease->name);
426	new_symptom->level = disease->level;
427	new_symptom->speed = disease->speed;
428	new_symptom->value = 0;
429	new_symptom->stats.Str =disease->stats.Str;
430	new_symptom->stats.Dex = disease->stats.Dex;
431	new_symptom->stats.Con = disease->stats.Con;
432	new_symptom->stats.Wis = disease->stats.Wis;
433	new_symptom->stats.Int = disease->stats.Int;
434	new_symptom->stats.Pow = disease->stats.Pow;
435	new_symptom->stats.Cha = disease->stats.Cha;
436	new_symptom->stats.sp = disease->stats.sp;
437	new_symptom->stats.food =disease->last_eat;
438	new_symptom->stats.maxsp = disease->stats.maxsp;	433	new_symptom->stats.maxsp = disease->stats.maxsp;
		434	new_symptom->stats.food = new_symptom->stats.maxgrace;
		435
		436	new_symptom->name = new_symptom->name_pl = disease->name;
		437
		438	new_symptom->level = disease->level;
		439	new_symptom->speed = disease->speed;
		440	new_symptom->value = 0;
		441
		442	for (int i = 0; i < NUM_STATS; ++i)
		443	new_symptom->stats.stat (i) = disease->stats.stat (i);
		444
		445	new_symptom->stats.sp = disease->stats.sp;
		446	new_symptom->stats.food = disease->last_eat;
		447	new_symptom->stats.maxsp = disease->stats.maxsp;
439	new_symptom->last_sp = disease->last_sp;	448	new_symptom->last_sp = disease->last_sp;
440	new_symptom->stats.exp = 0;	449	new_symptom->stats.exp = 0;
441	new_symptom->stats.hp = disease->stats.hp;	450	new_symptom->stats.hp = disease->stats.hp;
442	new_symptom->msg = add_string(disease->msg);	451	new_symptom->msg = disease->msg;
443	new_symptom->attacktype = disease->attacktype;	452	new_symptom->attacktype = disease->attacktype;
444	new_symptom->other_arch = disease->other_arch;	453	new_symptom->other_arch = disease->other_arch;
445
446	set_owner(new_symptom,disease->owner);
447	if (new_symptom->skill != disease->skill) {	454	new_symptom->skill = disease->skill;
448	if (new_symptom->skill) free_string(new_symptom->skill);	455
449	if (disease->skill) new_symptom->skill = add_refcount(disease->skill);
450	}
451	new_symptom->move_block=0;	456	new_symptom->move_block = 0;
452	insert_ob_in_ob(new_symptom,victim);	457
		458	victim->head_ ()->insert (new_symptom);
		459
		460	// set owner last, as insert clears owner
		461	new_symptom->set_owner (disease->owner);
		462
453	return 1;	463	return 1;
454	}	464	}
455		465
456	/* now deal with progressing diseases: we increase the debility	466	/* now deal with progressing diseases: we increase the debility
457	* caused by the symptoms.	467	* caused by the symptoms.
458	*/	468	*/
459
460	if(disease->stats.ac!=0) {	469	if (disease->stats.ac)
461	float scale;	470	{
		471	symptom->value = clamp (symptom->value + disease->stats.ac, 0, 100*100);
462		472
463	symptom->value += disease->stats.ac;
464	scale = 1.0 + symptom->value/100.0;	473	float scale = 1.f + symptom->value / 100.f;
		474
465	/* now rescale all the debilities */	475	/* now rescale all the debilities */
466	symptom->stats.Str = (int) (scale*disease->stats.Str);	476	for (int i = 0; i < NUM_STATS; ++i)
467	symptom->stats.Dex = (int) (scale*disease->stats.Dex);	477	symptom->stats.stat (i) = clamp (int (scale * disease->stats.stat (i)), -128, 127);
468	symptom->stats.Con = (int) (scale*disease->stats.Con);	478
469	symptom->stats.Wis = (int) (scale*disease->stats.Wis);
470	symptom->stats.Int = (int) (scale*disease->stats.Int);
471	symptom->stats.Pow = (int) (scale*disease->stats.Pow);
472	symptom->stats.Cha = (int) (scale*disease->stats.Cha);
473	symptom->stats.dam = (int) (scale*disease->stats.dam);	479	symptom->stats.dam = clamp (scale * disease->stats.dam , -1024, 1024);
474	symptom->stats.sp = (int) (scale*disease->stats.sp);
475	symptom->stats.food = (int) (scale*disease->last_eat);	480	symptom->stats.food = clamp (scale * disease->last_eat , -1024, 1024);
476	symptom->stats.maxsp = (int) (scale*disease->stats.maxsp);	481	symptom->stats.maxsp = clamp (scale * disease->stats.maxsp, -1024, 1024);
477	symptom->last_sp = (int) (scale*disease->last_sp);	482	symptom->stats.sp = clamp (scale * disease->stats.sp , -1024, 1024);
		483	symptom->stats.hp = clamp (scale * disease->stats.hp , -1024, 1024);
478	symptom->stats.exp = 0;	484	symptom->stats.exp = 0;
479	symptom->stats.hp = (int) (scale*disease->stats.hp);	485	symptom->last_sp = disease->last_sp ? clamp (disease->last_sp / scale, 1, 1024) : 0;
480	symptom->msg = add_string(disease->msg);	486	symptom->msg = disease->msg;
481	symptom->attacktype = disease->attacktype;	487	symptom->attacktype = disease->attacktype;
482	symptom->other_arch = disease->other_arch;	488	symptom->other_arch = disease->other_arch;
483	}	489	}
		490
484	SET_FLAG(symptom,FLAG_APPLIED);	491	SET_FLAG (symptom, FLAG_APPLIED);
485	fix_player(victim);	492	victim->update_stats ();
		493
486	return 1;	494	return 1;
487	}	495	}
488
489		496
490	/* grants immunity to plagues we've seen before. */	497	/* grants immunity to plagues we've seen before. */
		498	int
491	int grant_immunity(object *disease) {	499	grant_immunity (object *disease)
		500	{
492	object * immunity;	501	object *immunity;
493	object *walk;	502	object *walk;
		503
494	/* Don't give immunity to this disease if last_heal is set. */	504	/* Don't give immunity to this disease if last_heal is set. */
495	if(disease->last_heal) return 0;	505	if (disease->last_heal)
		506	return 0;
		507
496	/* first, search for an immunity of the same name */	508	/* first, search for an immunity of the same name */
497	for(walk=disease->env->inv;walk;walk=walk->below) {	509	for (walk = disease->env->inv; walk; walk = walk->below)
498	if(walk->type==98 && !strcmp(disease->name,walk->name)) {	510	if (walk->type == 98 && disease->name == walk->name)
		511	{
499	walk->level = disease->level;	512	walk->level = disease->level;
500	return 1; /* just update the existing immunity. */	513	return 1; /* just update the existing immunity. */
501	}	514	}
502	}	515
503	immunity = get_archetype("immunity");	516	immunity = get_archetype ("immunity");
		517
504	immunity->name = add_string(disease->name);	518	immunity->name = disease->name;
505	immunity->level = disease->level;	519	immunity->level = disease->level;
506	immunity->move_block = 0;	520	immunity->move_block = 0;
		521
507	insert_ob_in_ob(immunity,disease->env);	522	insert_ob_in_ob (immunity, disease->env);
		523
508	return 1;	524	return 1;
509
510	}	525	}
511
512		526
513	/* make the symptom do the nasty things it does */	527	/* make the symptom do the nasty things it does */
514		528	int
515	int move_symptom(object *symptom) {	529	move_symptom (object *symptom)
		530	{
516	object *victim = symptom->env;	531	object *victim = symptom->env;
517	object *new_ob;	532	object *new_ob;
518	int sp_reduce;	533	int sp_reduce;
519		534
520	if(victim == NULL \|\| victim->map==NULL) { /* outside a monster/player, die immediately */	535	if (!victim \|\| !victim->map)
521	remove_ob(symptom);	536	{ /* outside a monster/player, die immediately */
522	free_object(symptom);	537	symptom->destroy ();
523	return 0;	538	return 0;
524	}	539	}
525		540
		541	if (symptom->stats.dam > 0)
526	if(symptom->stats.dam > 0) hit_player(victim,symptom->stats.dam,symptom,symptom->attacktype,1);	542	hit_player (victim, symptom->stats.dam, symptom, symptom->attacktype, 1);
		543	else
527	else hit_player(victim,(int) MAX(1,-victim->stats.maxhp * symptom->stats.dam / 100.0),symptom,symptom->attacktype,1);	544	hit_player (victim, max (1, -victim->stats.maxhp * symptom->stats.dam / 100.0), symptom, symptom->attacktype, 1);
528		545
529	if(symptom->stats.maxsp>0) sp_reduce = symptom->stats.maxsp;	546	if (symptom->stats.maxsp > 0)
		547	sp_reduce = symptom->stats.maxsp;
		548	else
530	else sp_reduce = (int) MAX(1,victim->stats.maxsp * symptom->stats.maxsp/100.0);	549	sp_reduce = max (1, victim->stats.maxsp * symptom->stats.maxsp / 100.0);
		550
531	victim->stats.sp = MAX(0,victim->stats.sp - sp_reduce);	551	victim->stats.sp = max (0, victim->stats.sp - sp_reduce);
532		552
533	/* create the symptom "other arch" object and drop it here	553	/* create the symptom "other arch" object and drop it here
534	* under every part of the monster	554	* under every part of the monster
535	* The victim may well have died.	555	* The victim may well have died.
536	*/	556	*/
537		557	if (symptom->other_arch && victim->map)
538	if(victim->map==NULL) return 0;	558	for (object *tmp = victim->head_ (); tmp; tmp = tmp->more)
539	if(symptom->other_arch) {	559	{
540	object *tmp;
541	tmp=victim;
542	if(tmp->head!=NULL) tmp=tmp->head;
543	for(/tmp initialized above /;tmp!=NULL;tmp=tmp->more) {
544	new_ob = arch_to_object(symptom->other_arch);	560	new_ob = arch_to_object (symptom->other_arch);
545	new_ob->x = tmp->x;	561	new_ob->x = tmp->x;
546	new_ob->y = tmp->y;	562	new_ob->y = tmp->y;
547	new_ob->map = victim->map;	563	new_ob->map = victim->map;
548	insert_ob_in_map(new_ob,victim->map,victim,0);	564	insert_ob_in_map (new_ob, victim->map, victim, 0);
549	}	565	}
550	}	566
551	new_draw_info(NDI_UNIQUE \| NDI_RED,0,victim,symptom->msg);	567	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, victim, symptom->msg);
552		568
553	return 1;	569	return 1;
554	}	570	}
555		571
556
557	/* possibly infect due to direct physical contact	572	/* possibly infect due to direct physical contact
558	i.e., AT_PHYSICAL-- called from "hit_player_attacktype" */	573	* i.e., AT_PHYSICAL-- called from "hit_player_attacktype" */
559		574	int
560	int check_physically_infect(object victim, object hitter) {	575	check_physically_infect (object victim, object hitter)
561	object *walk;	576	{
562	/* search for diseases, give every disease a chance to infect */	577	/* search for diseases, give every disease a chance to infect */
563	for(walk=hitter->inv;walk!=NULL;walk=walk->below)	578	for (object *disease = hitter->inv; disease; disease = disease->below)
564	if(walk->type==DISEASE) infect_object(victim,walk,0);	579	if (disease->type == DISEASE)
		580	infect_object (victim, disease, 0);
		581
565	return 1;	582	return 1;
566	}	583	}
567		584
568	/* find a disease in someone*/	585	// find a disease in someone
		586	object *
569	object find_disease(object victim) {	587	find_disease (object *victim)
570	object *walk;	588	{
571	for(walk=victim->inv;walk;walk=walk->below)	589	for (object *disease = victim->inv; disease; disease = disease->below)
572	if(walk->type==DISEASE) return walk;	590	if (disease->type == DISEASE)
		591	return disease;
		592
573	return NULL;	593	return 0;
574	}	594	}
575		595
576	/* do the cure disease stuff, from the spell "cure disease" */	596	/* do the cure disease stuff, from the spell "cure disease" */
577		597	int
578	int cure_disease(object sufferer,object caster) {	598	cure_disease (object sufferer, object caster)
		599	{
579	object disease, next;	600	object disease, next;
580	int casting_level;	601	int casting_level;
581	int cure=0;	602	int cure = 0;
582		603
		604	if (caster)
583	if(caster) casting_level = caster->level;	605	casting_level = caster->level;
		606	else
584	else casting_level = 1000; /* if null caster, CURE all. */	607	casting_level = 1000; /* if null caster, CURE all. */
585		608
586	for(disease=sufferer->inv;disease;disease=next) {	609	for (disease = sufferer->inv; disease; disease = next)
		610	{
587	next=disease->below;	611	next = disease->below;
588		612
589	if(disease->type==DISEASE) { /* attempt to cure this disease */	613	if (disease->type == DISEASE)
		614	{ /* attempt to cure this disease */
590	/* If caster lvel is higher than disease level, cure chance	615	/* If caster level is higher than disease level, cure chance
591	* is automatic. If lower, then the chance is basically	616	* is automatic. If lower, then the chance is basically
592	* 1 in level_diff - if there is a 5 level difference, chance	617	* 1 in level_diff - if there is a 5 level difference, chance
593	* is 1 in 5.	618	* is 1 in 5.
594	*/	619	*/
595	if ((casting_level >= disease->level) \|\|	620	if ((casting_level >= disease->level) \|\| (!(random_roll (0, (disease->level - casting_level - 1), caster, PREFER_LOW))))
596	( ! (random_roll(0, (disease->level - casting_level - 1),	621	{
597	caster, PREFER_LOW) ))) {
598
599	remove_symptoms(disease);	622	remove_symptoms (disease);
600	remove_ob(disease);
601	cure=1;	623	cure = 1;
602	if(caster) change_exp(caster,disease->stats.exp,	624
603	caster->chosen_skill?caster->chosen_skill->skill:NULL, 0);	625	if (caster)
604	free_object(disease);	626	change_exp (caster, disease->stats.exp, caster->chosen_skill ? caster->chosen_skill->skill : (const char *) 0, 0);
		627
		628	disease->destroy ();
605	}	629	}
606	}	630	}
607	}	631	}
		632
608	if (cure) {	633	if (cure)
		634	{
609	/* Only draw these messages once */	635	/* Only draw these messages once */
610	if (caster)	636	if (caster)
611	new_draw_info_format(NDI_UNIQUE,0,caster,"You cure a disease!");	637	new_draw_info_format (NDI_UNIQUE, 0, caster, "You cure a disease!");
		638
612	new_draw_info(NDI_UNIQUE,0,sufferer,"You no longer feel diseased.");	639	new_draw_info (NDI_UNIQUE, 0, sufferer, "You no longer feel diseased.");
613	}	640	}
		641
614	return 1;	642	return 1;
615	}	643	}
616		644
617	/* reduces disease progression: reduce_symptoms	645	/* reduces disease progression: reduce_symptoms
618	* return true if we actually reduce a disease.	646	* return true if we actually reduce a disease.
619	*/	647	*/
620		648	int
621	int reduce_symptoms(object *sufferer, int reduction) {	649	reduce_symptoms (object *sufferer, int reduction)
		650	{
622	object *walk;	651	object *walk;
623	int success=0;	652	int success = 0;
624		653
625	for(walk=sufferer->inv;walk;walk=walk->below) {	654	for (walk = sufferer->inv; walk; walk = walk->below)
		655	{
626	if(walk->type==SYMPTOM) {	656	if (walk->type == SYMPTOM)
		657	{
627	if(walk->value > 0) {	658	if (walk->value > 0)
		659	{
628	success=1;	660	success = 1;
629	walk->value = MAX(0,walk->value - 2*reduction);	661	walk->value = max (0, walk->value - 2 * reduction);
630	/* give the disease time to modify this symptom,	662	/* give the disease time to modify this symptom,
631	* and reduce its severity. */	663	* and reduce its severity. */
632	walk->speed_left = 0;	664	walk->speed_left = 0;
633	}	665	}
634	}	666	}
635	}	667	}
		668
636	if (success)	669	if (success)
637	new_draw_info(NDI_UNIQUE,0,sufferer,"Your illness seems less severe.");	670	new_draw_info (NDI_UNIQUE, 0, sufferer, "Your illness seems less severe.");
		671
638	return success;	672	return success;
639	}	673	}
640

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Comparing deliantra/server/server/disease.C (file contents): Revision 1.2 by root, Tue Aug 29 08:01:37 2006 UTC vs. Revision 1.38 by root, Fri Aug 24 01:23:29 2007 UTC

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Comparing deliantra/server/server/disease.C (file contents):
Revision 1.2 by root, Tue Aug 29 08:01:37 2006 UTC vs.
Revision 1.38 by root, Fri Aug 24 01:23:29 2007 UTC