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

Comparing deliantra/server/server/disease.C (file contents):
Revision 1.1 by elmex, Sun Aug 13 17:16:04 2006 UTC vs.
Revision 1.31 by root, Tue Aug 7 22:57:57 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 1.1 2006/08/13 17:16:04 elmex 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
38		33
39	attacktype Attack effects Attacktype of the disease. usu. AT_GODPOWER.	34	attacktype Attack effects Attacktype of the disease. usu. AT_GODPOWER.
40	other_arch Creation object created and dropped when symptom moved.	35	other_arch Creation object created and dropped when symptom moved.
41	title Message When the "disease" "infects" something, it will	36	title Message When the "disease" "infects" something, it will
42	print "title victim!!!" to the player who owns	37	print "title victim!!!" to the player who owns
43	the "disease".	38	the "disease".
44	wc+ Infectiousness How well the plague spreads person-to-person	39	wc+ Infectiousness How well the plague spreads person-to-person
45	magic+ Range range of infection	40	magic+ Range range of infection
46	Stats* Disability What stats are reduced by the disease (str con...)	41	Stats* Disability What stats are reduced by the disease (str con...)
47	maxhp+ Persistence How long the disease can last OUTSIDE the host.	42	maxhp+ Persistence How long the disease can last OUTSIDE the host.
48	value TimeLeft Counter for persistence	43	value TimeLeft Counter for persistence
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
143		136
144	Diseases may be contageous. They are objects which exist in a player's	137	Diseases may be contageous. They are objects which exist in a player's
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)
173	if ( disease->stats.maxhp > 0 ) disease->value--;	169	{ /* we're outside of someone */
174	if(disease->value==0) {	170	if (disease->stats.maxhp > 0)
175	remove_ob(disease);	171	disease->value--;
176	free_object(disease);	172
		173	if (!disease->value)
		174	{
		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);	192	return 1;
189	return 1;	193	}
		194	}
190	}	195	}
191	}	196
192	}
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
		214	int
210	int remove_symptoms(object *disease) {	215	remove_symptoms (object *disease)
		216	{
211	object symptom, victim=NULL;	217	object symptom, victim = NULL;
212		218
213	while ((symptom = find_symptom(disease)) != NULL) {	219	while ((symptom = find_symptom (disease)) != NULL)
214	if (!victim) victim=symptom->env;
215	remove_ob(symptom);
216	free_object(symptom);
217	}	220	{
218	if(victim) fix_player(victim);	221	if (!victim)
		222	victim = symptom->env;
		223
		224	symptom->destroy ();
		225	}
		226
		227	if (victim)
		228	victim->update_stats ();
		229
		230	return 0;
		231	}
		232
		233	/* argument is a disease */
		234	object *
		235	find_symptom (object *disease)
		236	{
		237	object *walk;
		238
		239	/* check the inventory for symptoms */
		240	for (walk = disease->env->inv; walk; walk = walk->below)
		241	if (walk->name == disease->name && walk->type == SYMPTOM)
		242	return walk;
		243
		244	return NULL;
		245	}
		246
		247	/* searches around for more victims to infect */
		248	int
		249	check_infection (object *disease)
		250	{
		251	int x, y, range, mflags;
		252	maptile map, map2;
		253	object *tmp;
		254
		255	range = abs (disease->magic);
		256
		257	if (disease->env)
		258	{
		259	x = disease->env->x;
		260	y = disease->env->y;
		261	map = disease->env->map;
		262	}
		263	else
		264	{
		265	x = disease->x;
		266	y = disease->y;
		267	map = disease->map;
		268	}
		269
		270	if (!map)
219	return 0;	271	return 0;
220	}
221		272
222	/* argument is a disease */	273	for (int i = x - range; i <= x + range; i++)
223	object * find_symptom(object *disease) {	274	for (int j = y - range; j <= y + range; j++)
224	object *walk;	275	{
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;	276	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);	277	mflags = get_map_flags (map, &map2, i, j, &i2, &j2);
		278
255	if (!(mflags & P_OUT_OF_MAP) && (mflags & P_IS_ALIVE)) {	279	if (!(mflags & P_OUT_OF_MAP) && (mflags & P_IS_ALIVE))
256	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)
257	infect_object(tmp,disease,0);	281	infect_object (tmp, disease, 0);
258	}
259	}
260	}
261	}	282	}
		283
262	return 1;	284	return 1;
263	}	285	}
264		286
265		287
266	/* check to see if an object is infectable:	288	/* check to see if an object is infectable:
267	* objects with immunity aren't infectable.	289	* objects with immunity aren't infectable.
268	* objects already infected aren't infectable.	290	* objects already infected aren't infectable.
269	* dead objects aren't infectable.	291	* dead objects aren't infectable.
270	* undead objects are infectible only if specifically named.	292	* undead objects are infectible only if specifically named.
271	*/	293	*/
		294	int
272	int infect_object(object victim, object disease, int force) {	295	infect_object (object victim, object disease, int force)
		296	{
273	object *tmp;	297	object *tmp;
274	object *new_disease;	298	object *new_disease;
275		299
276	/* don't infect inanimate objects */	300	/* don't infect inanimate objects */
277	if(!QUERY_FLAG(victim,FLAG_MONSTER) && !(victim->type==PLAYER)) return 0;	301	if (!QUERY_FLAG (victim, FLAG_MONSTER) && !(victim->type == PLAYER))
		302	return 0;
278		303
279	/* check and see if victim can catch disease: diseases	304	/* check and see if victim can catch disease: diseases
280	* are specific	305	* are specific
281	*/	306	*/
282	if(!is_susceptible_to_disease(victim, disease)) return 0;	307	if (!is_susceptible_to_disease (victim, disease))
		308	return 0;
283		309
284	/* roll the dice on infection before doing the inventory check! */	310	/* roll the dice on infection before doing the inventory check! */
285	if(!force && (random_roll(0, 126, victim, PREFER_HIGH) >= disease->stats.wc))	311	if (!force && (random_roll (0, 126, victim, PREFER_HIGH) >= disease->stats.wc))
286	return 0;	312	return 0;
287		313
288	/* do an immunity check */	314	/* do an immunity check */
		315	if (victim->head)
289	if(victim->head) tmp = victim->head->inv;	316	tmp = victim->head->inv;
		317	else
290	else tmp = victim->inv;	318	tmp = victim->inv;
291		319
292	/* There used to (IMO) be a flaw in the below - it used to be the case	320	/* 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	321	* 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	322	* 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	323	* (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	324	* they were cast in that same order. Instead, change it so that
297	* if you diseased, you can't get diseased more.	325	* if you diseased, you can't get diseased more.
298	*/	326	*/
299		327
300	for(/* tmp initialized in if, above */;tmp;tmp=tmp->below) {	328	for ( /* tmp initialised in if, above */ ; tmp; tmp = tmp->below)
		329	{
301	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)
302	return 0; /Immune! /	331	return 0; /* Immune! */
303	else if (tmp->type==DISEASE && !strcmp(tmp->name,disease->name))	332	else if (tmp->type == DISEASE && tmp->name == disease->name)
304	return 0; /* already diseased */	333	return 0; /* already diseased */
305	}	334	}
306		335
307	/* 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. */
308	new_disease = get_object();	337	new_disease = disease->clone ();
309	copy_object(disease,new_disease);
310	new_disease->stats.food=disease->stats.maxgrace;	338	new_disease->stats.food = disease->stats.maxgrace;
311	new_disease->value=disease->stats.maxhp;	339	new_disease->value = disease->stats.maxhp;
312	new_disease->stats.wc -= disease->last_grace; /* self-limiting factor */	340	new_disease->stats.wc -= disease->last_grace; /* self-limiting factor */
313		341
314	/* Unfortunately, set_owner does the wrong thing to the skills pointers	342	/* Unfortunately, set_owner does the wrong thing to the skills pointers
315	* resulting in exp going into the owners current chosen skill.	343	* resulting in exp going into the owners current chosen skill.
316	*/	344	*/
317		345
318	if(get_owner(disease)) {	346	if (disease->owner)
319	set_owner(new_disease,disease->owner);	347	{
		348	new_disease->set_owner (disease->owner);
320		349
321	/* Only need to update skill if different */	350	/* Only need to update skill if different */
322	if (new_disease->skill != disease->skill) {	351	if (new_disease->skill != disease->skill)
323	if (new_disease->skill) free_string(new_disease->skill);	352	new_disease->skill = disease->skill;
324	if (disease->skill) new_disease->skill = add_refcount(disease->skill);
325	}
326	}	353	}
		354	else
327	else { /* 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 */
328	if(disease->env && disease->env->type==PLAYER) {	356	if (disease->env && disease->env->type == PLAYER)
		357	{
329	object *player = disease->env;	358	object *player = disease->env;
330		359
331	set_owner(new_disease,player);	360	new_disease->set_owner (player);
		361
332	/* the skill pointer for these diseases should already be set up -	362	/* the skill pointer for these diseases should already be set up -
333	* hardcoding in 'praying' is not the right approach.	363	* hardcoding in 'praying' is not the right approach.
334	*/	364	*/
335	}	365	}
336	}	366	}
337		367
338	insert_ob_in_ob(new_disease,victim);	368	insert_ob_in_ob (new_disease, victim->head_ ());
339	/* This appears to be a horrible case of overloading 'NO_PASS'	369	/* This appears to be a horrible case of overloading 'NO_PASS'
340	* for meaning in the diseases.	370	* for meaning in the diseases.
341	*/	371	*/
342	new_disease->move_block = 0;	372	new_disease->move_block = 0;
343	if(new_disease->owner && new_disease->owner->type==PLAYER) {	373	if (new_disease->owner && new_disease->owner->type == PLAYER)
		374	{
344	char buf[128];	375	char buf[128];
		376
345	/* if the disease has a title, it has a special infection message	377	/* if the disease has a title, it has a special infection message
346	* This messages is printed in the form MESSAGE victim	378	* This messages is printed in the form MESSAGE victim
347	*/	379	*/
348	if(new_disease->title)	380	if (new_disease->title)
349	sprintf(buf,"%s %s!!",disease->title,victim->name);	381	sprintf (buf, "%s %s!!", &disease->title, &victim->name);
350	else	382	else
351	sprintf(buf,"You infect %s with your disease, %s!",victim->name,new_disease->name);	383	sprintf (buf, "You infect %s with your disease, %s!", &victim->name, &new_disease->name);
352		384
353	if(victim->type == PLAYER)	385	if (victim->type == PLAYER)
354	new_draw_info(NDI_UNIQUE \| NDI_RED, 0, new_disease->owner, buf);	386	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, new_disease->owner, buf);
355	else	387	else
356	new_draw_info(0, 4, new_disease->owner, buf);	388	new_draw_info (0, 4, new_disease->owner, buf);
357	}	389	}
		390
358	if(victim->type==PLAYER)	391	if (victim->type == PLAYER)
359	new_draw_info(NDI_UNIQUE \| NDI_RED,0,victim,"You suddenly feel ill.");	392	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, victim, "You suddenly feel ill.");
360		393
361	return 1;	394	return 1;
362		395
363	}	396	}
364
365
366		397
367	/* this function monitors the symptoms caused by the disease (if any),	398	/* this function monitors the symptoms caused by the disease (if any),
368	causes symptoms, and modifies existing symptoms in the case of	399	causes symptoms, and modifies existing symptoms in the case of
369	existing diseases. */	400	existing diseases. */
370		401	int
371	int do_symptoms(object *disease) {	402	do_symptoms (object *disease)
		403	{
372	object *symptom;	404	object *symptom;
373	object *victim;	405	object *victim;
374	object *tmp;	406	object *tmp;
		407
375	victim = disease->env;	408	victim = disease->env;
376		409
		410	if (!victim)
		411	return 0; /* no-one to inflict symptoms on */
		412
377	/* This is a quick hack - for whatever reason, disease->env will point	413	/* This is a quick hack - for whatever reason, disease->env will point
378	* back to disease, causing endless loops. Why this happens really needs	414	* back to disease, causing endless loops. Why this happens really needs
379	* to be found, but this should at least prevent the infinite loops.	415	* to be found, but this should at least prevent the infinite loops.
380	*/	416	*/
		417	//TODO: should no longer be the case, monitor, and remove
		418	if (victim == disease)
		419	{
		420	LOG (llevError \| logBacktrace, "%s: disease->env points to itself", disease->debug_desc ());
		421	return 0;
		422	}
381		423
382	if(victim == NULL \|\| victim==disease)
383	return 0;/* no-one to inflict symptoms on */
384
385	symptom = find_symptom(disease);	424	symptom = find_symptom (disease);
386	if(symptom==NULL) {	425	if (!symptom)
		426	{
387	/* no symptom? need to generate one! */	427	/* no symptom? need to generate one! */
388	object *new_symptom;	428	object *new_symptom;
389		429
390	/* first check and see if the carrier of the disease is immune. If so, no symptoms! */	430	/* 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;	431	if (!is_susceptible_to_disease (victim, disease))
		432	return 0;
392		433
393	/* check for an actual immunity */	434	/* check for an actual immunity */
394	/* do an immunity check */	435	/* do an immunity check */
395	if(victim->head) tmp = victim->head->inv;	436	if (victim->head)
		437	tmp = victim->head->inv;
		438	else
396	else tmp = victim->inv;	439	tmp = victim->inv;
397		440
398	for(/* tmp initialized in if, above */;tmp;tmp=tmp->below) {	441	for ( /* tmp initialised in if, above */ ; tmp; tmp = tmp->below)
399	if(tmp->type == SIGN) /* possibly an immunity, or diseased*/	442	if (tmp->type == SIGN) /* possibly an immunity, or diseased */
400	if(!strcmp(tmp->name,disease->name) && tmp->level >= disease->level)	443	if (tmp->name == disease->name && tmp->level >= disease->level)
401	return 0; /Immune! /	444	return 0; /Immune! /
402	}
403
404	new_symptom = get_archetype(ARCH_SYMPTOM);
405		445
		446	new_symptom = get_archetype ("symptom");
		447
406	/* Something special done with dam. We want diseases to be more	448	/* 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	449	* 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.	450	* do random, note, this has a weird effect with progressive diseases.
409	*/	451	*/
410	if(disease->stats.dam != 0) {	452	if (disease->stats.dam != 0)
		453	{
411	int dam = disease->stats.dam;	454	int dam = disease->stats.dam;
412		455
413	/* reduce the damage, on average, 50%, and making things random. */	456	/* reduce the damage, on average, 50%, and making things random. */
414		457
415	dam = random_roll(1, FABS(dam), victim, PREFER_LOW);	458	dam = random_roll (1, abs (dam), victim, PREFER_LOW);
416	if(disease->stats.dam < 0) dam = -dam;	459	if (disease->stats.dam < 0)
		460	dam = -dam;
		461
417	new_symptom->stats.dam = dam;	462	new_symptom->stats.dam = dam;
418	}	463	}
419		464
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;	465	new_symptom->stats.maxsp = disease->stats.maxsp;
		466	new_symptom->stats.food = new_symptom->stats.maxgrace;
		467
		468	new_symptom->name = new_symptom->name_pl = disease->name;
		469
		470	new_symptom->level = disease->level;
		471	new_symptom->speed = disease->speed;
		472	new_symptom->value = 0;
		473
		474	for (int i = 0; i < NUM_STATS; ++i)
		475	new_symptom->stats.stat (i) = disease->stats.stat (i);
		476
		477	new_symptom->stats.sp = disease->stats.sp;
		478	new_symptom->stats.food = disease->last_eat;
		479	new_symptom->stats.maxsp = disease->stats.maxsp;
439	new_symptom->last_sp = disease->last_sp;	480	new_symptom->last_sp = disease->last_sp;
440	new_symptom->stats.exp = 0;	481	new_symptom->stats.exp = 0;
441	new_symptom->stats.hp = disease->stats.hp;	482	new_symptom->stats.hp = disease->stats.hp;
442	new_symptom->msg = add_string(disease->msg);	483	new_symptom->msg = disease->msg;
443	new_symptom->attacktype = disease->attacktype;	484	new_symptom->attacktype = disease->attacktype;
444	new_symptom->other_arch = disease->other_arch;	485	new_symptom->other_arch = disease->other_arch;
445		486
446	set_owner(new_symptom,disease->owner);	487	new_symptom->set_owner (disease->owner);
		488
447	if (new_symptom->skill != disease->skill) {	489	if (new_symptom->skill != disease->skill)
448	if (new_symptom->skill) free_string(new_symptom->skill);	490	new_symptom->skill = disease->skill;
449	if (disease->skill) new_symptom->skill = add_refcount(disease->skill);	491
450	}
451	new_symptom->move_block=0;	492	new_symptom->move_block = 0;
452	insert_ob_in_ob(new_symptom,victim);	493	insert_ob_in_ob (new_symptom, victim);
453	return 1;	494	return 1;
454	}	495	}
455		496
456	/* now deal with progressing diseases: we increase the debility	497	/* now deal with progressing diseases: we increase the debility
457	* caused by the symptoms.	498	* caused by the symptoms.
458	*/	499	*/
459
460	if(disease->stats.ac!=0) {	500	if (disease->stats.ac)
461	float scale;	501	{
		502	symptom->value = clamp (symptom->value + disease->stats.ac, 0, 100*100);
462		503
463	symptom->value += disease->stats.ac;
464	scale = 1.0 + symptom->value/100.0;	504	float scale = 1.f + symptom->value / 100.f;
		505
465	/* now rescale all the debilities */	506	/* now rescale all the debilities */
466	symptom->stats.Str = (int) (scale*disease->stats.Str);	507	for (int i = 0; i < NUM_STATS; ++i)
467	symptom->stats.Dex = (int) (scale*disease->stats.Dex);	508	symptom->stats.stat (i) = clamp (int (scale * disease->stats.stat (i)), -128, 127);
468	symptom->stats.Con = (int) (scale*disease->stats.Con);	509
469	symptom->stats.Wis = (int) (scale*disease->stats.Wis);	510	symptom->stats.dam = clamp (scale * disease->stats.dam , -1024, 1024);
470	symptom->stats.Int = (int) (scale*disease->stats.Int);	511	symptom->stats.food = clamp (scale * disease->last_eat , -1024, 1024);
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);
474	symptom->stats.sp = (int) (scale*disease->stats.sp);
475	symptom->stats.food = (int) (scale*disease->last_eat);
476	symptom->stats.maxsp = (int) (scale*disease->stats.maxsp);	512	symptom->stats.maxsp = clamp (scale * disease->stats.maxsp, -1024, 1024);
477	symptom->last_sp = (int) (scale*disease->last_sp);	513	symptom->last_sp = clamp (scale * disease->last_sp , -1024, 1024);
		514	symptom->stats.sp = clamp (scale * disease->stats.sp , -1024, 1024);
		515	symptom->stats.hp = clamp (scale * disease->stats.hp , -1024, 1024);
478	symptom->stats.exp = 0;	516	symptom->stats.exp = 0;
479	symptom->stats.hp = (int) (scale*disease->stats.hp);	517
480	symptom->msg = add_string(disease->msg);	518	symptom->msg = disease->msg;
481	symptom->attacktype = disease->attacktype;	519	symptom->attacktype = disease->attacktype;
482	symptom->other_arch = disease->other_arch;	520	symptom->other_arch = disease->other_arch;
483	}	521	}
		522
484	SET_FLAG(symptom,FLAG_APPLIED);	523	SET_FLAG (symptom, FLAG_APPLIED);
485	fix_player(victim);	524	victim->update_stats ();
		525
486	return 1;	526	return 1;
487	}	527	}
488
489		528
490	/* grants immunity to plagues we've seen before. */	529	/* grants immunity to plagues we've seen before. */
		530	int
491	int grant_immunity(object *disease) {	531	grant_immunity (object *disease)
		532	{
492	object * immunity;	533	object *immunity;
493	object *walk;	534	object *walk;
		535
494	/* Don't give immunity to this disease if last_heal is set. */	536	/* Don't give immunity to this disease if last_heal is set. */
495	if(disease->last_heal) return 0;	537	if (disease->last_heal)
		538	return 0;
496	/* first, search for an immunity of the same name */	539	/* first, search for an immunity of the same name */
497	for(walk=disease->env->inv;walk;walk=walk->below) {	540	for (walk = disease->env->inv; walk; walk = walk->below)
		541	{
498	if(walk->type==98 && !strcmp(disease->name,walk->name)) {	542	if (walk->type == 98 && disease->name == walk->name)
		543	{
499	walk->level = disease->level;	544	walk->level = disease->level;
500	return 1; /* just update the existing immunity. */	545	return 1; /* just update the existing immunity. */
501	}	546	}
502	}	547	}
503	immunity = get_archetype("immunity");	548	immunity = get_archetype ("immunity");
504	immunity->name = add_string(disease->name);	549	immunity->name = disease->name;
505	immunity->level = disease->level;	550	immunity->level = disease->level;
506	immunity->move_block = 0;	551	immunity->move_block = 0;
507	insert_ob_in_ob(immunity,disease->env);	552	insert_ob_in_ob (immunity, disease->env);
508	return 1;	553	return 1;
509		554
510	}	555	}
511		556
512		557
513	/* make the symptom do the nasty things it does */	558	/* make the symptom do the nasty things it does */
514		559
		560	int
515	int move_symptom(object *symptom) {	561	move_symptom (object *symptom)
		562	{
516	object *victim = symptom->env;	563	object *victim = symptom->env;
517	object *new_ob;	564	object *new_ob;
518	int sp_reduce;	565	int sp_reduce;
519		566
520	if(victim == NULL \|\| victim->map==NULL) { /* outside a monster/player, die immediately */	567	if (victim == NULL \|\| victim->map == NULL)
521	remove_ob(symptom);	568	{ /* outside a monster/player, die immediately */
522	free_object(symptom);	569	symptom->destroy ();
523	return 0;	570	return 0;
524	}	571	}
525		572
		573	if (symptom->stats.dam > 0)
526	if(symptom->stats.dam > 0) hit_player(victim,symptom->stats.dam,symptom,symptom->attacktype,1);	574	hit_player (victim, symptom->stats.dam, symptom, symptom->attacktype, 1);
		575	else
527	else hit_player(victim,(int) MAX(1,-victim->stats.maxhp * symptom->stats.dam / 100.0),symptom,symptom->attacktype,1);	576	hit_player (victim, (int) MAX (1, -victim->stats.maxhp * symptom->stats.dam / 100.0), symptom, symptom->attacktype, 1);
528		577
529	if(symptom->stats.maxsp>0) sp_reduce = symptom->stats.maxsp;	578	if (symptom->stats.maxsp > 0)
		579	sp_reduce = symptom->stats.maxsp;
		580	else
530	else sp_reduce = (int) MAX(1,victim->stats.maxsp * symptom->stats.maxsp/100.0);	581	sp_reduce = (int) MAX (1, victim->stats.maxsp * symptom->stats.maxsp / 100.0);
531	victim->stats.sp = MAX(0,victim->stats.sp - sp_reduce);	582	victim->stats.sp = MAX (0, victim->stats.sp - sp_reduce);
532		583
533	/* create the symptom "other arch" object and drop it here	584	/* create the symptom "other arch" object and drop it here
534	* under every part of the monster	585	* under every part of the monster
535	* The victim may well have died.	586	* The victim may well have died.
536	*/	587	*/
537		588
538	if(victim->map==NULL) return 0;	589	if (victim->map == NULL)
		590	return 0;
539	if(symptom->other_arch) {	591	if (symptom->other_arch)
		592	{
540	object *tmp;	593	object *tmp;
541	tmp=victim;	594
542	if(tmp->head!=NULL) tmp=tmp->head;	595	tmp = victim;
		596	if (tmp->head != NULL)
		597	tmp = tmp->head;
543	for(/tmp initialized above /;tmp!=NULL;tmp=tmp->more) {	598	for ( /tmp initialised above / ; tmp != NULL; tmp = tmp->more)
		599	{
544	new_ob = arch_to_object(symptom->other_arch);	600	new_ob = arch_to_object (symptom->other_arch);
545	new_ob->x = tmp->x;	601	new_ob->x = tmp->x;
546	new_ob->y = tmp->y;	602	new_ob->y = tmp->y;
547	new_ob->map = victim->map;	603	new_ob->map = victim->map;
548	insert_ob_in_map(new_ob,victim->map,victim,0);	604	insert_ob_in_map (new_ob, victim->map, victim, 0);
549	}	605	}
550	}	606	}
551	new_draw_info(NDI_UNIQUE \| NDI_RED,0,victim,symptom->msg);	607	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, victim, symptom->msg);
552		608
553	return 1;	609	return 1;
554	}	610	}
555		611
556
557	/* possibly infect due to direct physical contact	612	/* possibly infect due to direct physical contact
558	i.e., AT_PHYSICAL-- called from "hit_player_attacktype" */	613	* i.e., AT_PHYSICAL-- called from "hit_player_attacktype" */
559		614	int
560	int check_physically_infect(object victim, object hitter) {	615	check_physically_infect (object victim, object hitter)
561	object *walk;	616	{
562	/* search for diseases, give every disease a chance to infect */	617	/* search for diseases, give every disease a chance to infect */
563	for(walk=hitter->inv;walk!=NULL;walk=walk->below)	618	for (object *disease = hitter->inv; disease; disease = disease->below)
564	if(walk->type==DISEASE) infect_object(victim,walk,0);	619	if (disease->type == DISEASE)
		620	infect_object (victim, disease, 0);
		621
565	return 1;	622	return 1;
566	}	623	}
567		624
568	/* find a disease in someone*/	625	// find a disease in someone
		626	object *
569	object find_disease(object victim) {	627	find_disease (object *victim)
570	object *walk;	628	{
571	for(walk=victim->inv;walk;walk=walk->below)	629	for (object *disease = victim->inv; disease; disease = disease->below)
572	if(walk->type==DISEASE) return walk;	630	if (disease->type == DISEASE)
		631	return disease;
		632
573	return NULL;	633	return 0;
574	}	634	}
575		635
576	/* do the cure disease stuff, from the spell "cure disease" */	636	/* do the cure disease stuff, from the spell "cure disease" */
577		637	int
578	int cure_disease(object sufferer,object caster) {	638	cure_disease (object sufferer, object caster)
		639	{
579	object disease, next;	640	object disease, next;
580	int casting_level;	641	int casting_level;
581	int cure=0;	642	int cure = 0;
582		643
		644	if (caster)
583	if(caster) casting_level = caster->level;	645	casting_level = caster->level;
		646	else
584	else casting_level = 1000; /* if null caster, CURE all. */	647	casting_level = 1000; /* if null caster, CURE all. */
585		648
586	for(disease=sufferer->inv;disease;disease=next) {	649	for (disease = sufferer->inv; disease; disease = next)
		650	{
587	next=disease->below;	651	next = disease->below;
588		652
589	if(disease->type==DISEASE) { /* attempt to cure this disease */	653	if (disease->type == DISEASE)
		654	{ /* attempt to cure this disease */
590	/* If caster lvel is higher than disease level, cure chance	655	/* If caster level is higher than disease level, cure chance
591	* is automatic. If lower, then the chance is basically	656	* is automatic. If lower, then the chance is basically
592	* 1 in level_diff - if there is a 5 level difference, chance	657	* 1 in level_diff - if there is a 5 level difference, chance
593	* is 1 in 5.	658	* is 1 in 5.
594	*/	659	*/
595	if ((casting_level >= disease->level) \|\|	660	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),	661	{
597	caster, PREFER_LOW) ))) {
598
599	remove_symptoms(disease);	662	remove_symptoms (disease);
600	remove_ob(disease);	663	cure = 1;
601	cure=1;	664
602	if(caster) change_exp(caster,disease->stats.exp,	665	if (caster)
603	caster->chosen_skill?caster->chosen_skill->skill:NULL, 0);	666	change_exp (caster, disease->stats.exp, caster->chosen_skill ? caster->chosen_skill->skill : (const char *) 0, 0);
604	free_object(disease);	667
		668	disease->destroy ();
		669	}
		670	}
605	}	671	}
606	}	672
607	}
608	if (cure) {	673	if (cure)
		674	{
609	/* Only draw these messages once */	675	/* Only draw these messages once */
610	if (caster)	676	if (caster)
611	new_draw_info_format(NDI_UNIQUE,0,caster,"You cure a disease!");	677	new_draw_info_format (NDI_UNIQUE, 0, caster, "You cure a disease!");
		678
612	new_draw_info(NDI_UNIQUE,0,sufferer,"You no longer feel diseased.");	679	new_draw_info (NDI_UNIQUE, 0, sufferer, "You no longer feel diseased.");
613	}	680	}
		681
614	return 1;	682	return 1;
615	}	683	}
616		684
617	/* reduces disease progression: reduce_symptoms	685	/* reduces disease progression: reduce_symptoms
618	* return true if we actually reduce a disease.	686	* return true if we actually reduce a disease.
619	*/	687	*/
620		688	int
621	int reduce_symptoms(object *sufferer, int reduction) {	689	reduce_symptoms (object *sufferer, int reduction)
		690	{
622	object *walk;	691	object *walk;
623	int success=0;	692	int success = 0;
624		693
625	for(walk=sufferer->inv;walk;walk=walk->below) {	694	for (walk = sufferer->inv; walk; walk = walk->below)
		695	{
626	if(walk->type==SYMPTOM) {	696	if (walk->type == SYMPTOM)
		697	{
627	if(walk->value > 0) {	698	if (walk->value > 0)
628	success=1;	699	{
		700	success = 1;
629	walk->value = MAX(0,walk->value - 2*reduction);	701	walk->value = max (0, walk->value - 2 * reduction);
630	/* give the disease time to modify this symptom,	702	/* give the disease time to modify this symptom,
631	* and reduce its severity. */	703	* and reduce its severity. */
632	walk->speed_left = 0;	704	walk->speed_left = 0;
		705	}
		706	}
633	}	707	}
634	}	708
635	}
636	if (success)	709	if (success)
637	new_draw_info(NDI_UNIQUE,0,sufferer,"Your illness seems less severe.");	710	new_draw_info (NDI_UNIQUE, 0, sufferer, "Your illness seems less severe.");
		711
638	return success;	712	return success;
639	}	713	}
640

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Comparing deliantra/server/server/disease.C (file contents): Revision 1.1 by elmex, Sun Aug 13 17:16:04 2006 UTC vs. Revision 1.31 by root, Tue Aug 7 22:57:57 2007 UTC

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Comparing deliantra/server/server/disease.C (file contents):
Revision 1.1 by elmex, Sun Aug 13 17:16:04 2006 UTC vs.
Revision 1.31 by root, Tue Aug 7 22:57:57 2007 UTC