[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 1.10 by root, Wed Dec 13 00:42:04 2006 UTC

…		…
1	/*
2	* static char *rcsid_disease_c =
3	* "$Id: disease.C,v 1.2 2006/08/29 08:01:37 root Exp $";
4	*/
5	/*	1	/*
6	CrossFire, A Multiplayer game for X-windows	2	CrossFire, A Multiplayer game for X-windows
7		3
8	Copyright (C) 2002 Mark Wedel & Crossfire Development Team	4	Copyright (C) 2002 Mark Wedel & Crossfire Development Team
9	Copyright (C) 1992 Frank Tore Johansen	5	Copyright (C) 1992 Frank Tore Johansen
20		16
21	You should have received a copy of the GNU General Public License	17	You should have received a copy of the GNU General Public License
22	along with this program; if not, write to the Free Software	18	along with this program; if not, write to the Free Software
23	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24		20
25	The authors can be reached via e-mail to crossfire-devel@real-time.com	21	The authors can be reached via e-mail to <crossfire@schmorp.de>
26	*/	22	*/
27		23
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*/
…		…
131		127
132	#include <global.h>	128	#include <global.h>
133	#include <object.h>	129	#include <object.h>
134	#include <living.h>	130	#include <living.h>
135	#ifndef __CEXTRACT__	131	#ifndef __CEXTRACT__
136	#include <sproto.h>	132	# include <sproto.h>
137	#endif	133	#endif
138	#include <spells.h>	134	#include <spells.h>
139	#include <sounds.h>	135	#include <sounds.h>
140	#include <skills.h>	136	#include <skills.h>
141		137
…		…
145	inventory. They themselves do nothing, except modify Symptoms, or	141	inventory. They themselves do nothing, except modify Symptoms, or
146	spread to other live objects. Symptoms are what actually damage the player:	142	spread to other live objects. Symptoms are what actually damage the player:
147	these are their own object. */	143	these are their own object. */
148		144
149	/* check if victim is susceptible to disease. */	145	/* check if victim is susceptible to disease. */
		146	static int
150	static int is_susceptible_to_disease(object victim, object disease)	147	is_susceptible_to_disease (object victim, object disease)
151	{	148	{
152	if(!QUERY_FLAG(victim,FLAG_ALIVE)) return 0;	149	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;	150	return 0;
165	}
166		151
		152	if (strstr (disease->race, "*") && !QUERY_FLAG (victim, FLAG_UNDEAD))
		153	return 1;
		154
		155	if ((disease->race == undead_name) && QUERY_FLAG (victim, FLAG_UNDEAD))
		156	return 1;
		157
		158	if ((victim->race && strstr (disease->race, victim->race)) \|\| strstr (disease->race, victim->name))
		159	return 1;
		160
		161	return 0;
		162	}
		163
		164	int
167	int move_disease(object *disease) {	165	move_disease (object *disease)
		166	{
168	/* 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.
169	* If outside, we decrement 'value' until we're gone.	168	* If outside, we decrement 'value' until we're gone.
170	*/	169	*/
171		170
172	if(disease->env==NULL) { /* we're outside of someone */	171	if (disease->env == NULL)
		172	{ /* we're outside of someone */
173	if ( disease->stats.maxhp > 0 ) disease->value--;	173	if (disease->stats.maxhp > 0)
		174	disease->value--;
		175
174	if(disease->value==0) {	176	if (disease->value == 0)
175	remove_ob(disease);	177	{
176	free_object(disease);	178	disease->destroy ();
177	return 1;	179	return 1;
178	}	180	}
179	} else {	181	}
		182	else
		183	{
180	/* 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 */
181	/* negative foods denote "perpetual" diseases. */	185	/* negative foods denote "perpetual" diseases. */
182	if(disease->stats.food>0) {	186	if (disease->stats.food > 0)
		187	{
183	disease->stats.food--;	188	disease->stats.food--;
		189
184	if (disease->stats.food==0) {	190	if (disease->stats.food == 0)
		191	{
185	remove_symptoms(disease); /* remove the symptoms of this disease */	192	remove_symptoms (disease); /* remove the symptoms of this disease */
186	grant_immunity(disease);	193	grant_immunity (disease);
187	remove_ob(disease);	194	disease->destroy ();
188	free_object(disease);
189	return 1;	195	return 1;
190	}	196	}
191	}	197	}
192	}	198	}
		199
193	/* check to see if we infect others */	200	/* check to see if we infect others */
194	check_infection(disease);	201	check_infection (disease);
195		202
196	/* impose or modify the symptoms of the disease */	203	/* impose or modify the symptoms of the disease */
197	if(disease->env && is_susceptible_to_disease(disease->env, disease))	204	if (disease->env && is_susceptible_to_disease (disease->env, disease))
198	do_symptoms(disease);	205	do_symptoms (disease);
199		206
200	return 0;	207	return 0;
201	}	208	}
202		209
203	/* remove any symptoms of disease	210	/* remove any symptoms of disease
204	* 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
205	* player may have - I think through some odd interactoins with	212	* player may have - I think through some odd interactoins with
206	* disease level and player level and whatnot, a player could get	213	* disease level and player level and whatnot, a player could get
207	* more than one symtpom to a disease.	214	* more than one symtpom to a disease.
208	*/	215	*/
209		216
		217	int
210	int remove_symptoms(object *disease) {	218	remove_symptoms (object *disease)
		219	{
211	object symptom, victim=NULL;	220	object symptom, victim = NULL;
212		221
213	while ((symptom = find_symptom(disease)) != NULL) {	222	while ((symptom = find_symptom (disease)) != NULL)
214	if (!victim) victim=symptom->env;
215	remove_ob(symptom);
216	free_object(symptom);
217	}	223	{
		224	if (!victim)
		225	victim = symptom->env;
		226
		227	symptom->destroy ();
		228	}
		229
		230	if (victim)
218	if(victim) fix_player(victim);	231	fix_player (victim);
		232	return 0;
		233	}
		234
		235	/* argument is a disease */
		236	object *
		237	find_symptom (object *disease)
		238	{
		239	object *walk;
		240
		241	/* check the inventory for symptoms */
		242	for (walk = disease->env->inv; walk; walk = walk->below)
		243	if (!strcmp (walk->name, disease->name) && walk->type == SYMPTOM)
		244	return walk;
		245	return NULL;
		246	}
		247
		248	/* searches around for more victims to infect */
		249	int
		250	check_infection (object *disease)
		251	{
		252	int x, y, range, mflags;
		253	maptile map, map2;
		254	object *tmp;
		255
		256	range = abs (disease->magic);
		257
		258	if (disease->env)
		259	{
		260	x = disease->env->x;
		261	y = disease->env->y;
		262	map = disease->env->map;
		263	}
		264	else
		265	{
		266	x = disease->x;
		267	y = disease->y;
		268	map = disease->map;
		269	}
		270
		271	if (!map)
219	return 0;	272	return 0;
220	}
221		273
222	/* argument is a disease */	274	for (int i = x - range; i <= x + range; i++)
223	object * find_symptom(object *disease) {	275	for (int j = y - range; j <= y + range; j++)
224	object *walk;	276	{
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;	277	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);	278	mflags = get_map_flags (map, &map2, i, j, &i2, &j2);
		279
255	if (!(mflags & P_OUT_OF_MAP) && (mflags & P_IS_ALIVE)) {	280	if (!(mflags & P_OUT_OF_MAP) && (mflags & P_IS_ALIVE))
256	for(tmp=get_map_ob(map2,i2,j2);tmp;tmp=tmp->above) {	281	for (tmp = get_map_ob (map2, i2, j2); tmp; tmp = tmp->above)
257	infect_object(tmp,disease,0);	282	infect_object (tmp, disease, 0);
258	}
259	}
260	}	283	}
261	}	284
262	return 1;	285	return 1;
263	}	286	}
264		287
265		288
266	/* check to see if an object is infectable:	289	/* check to see if an object is infectable:
267	* objects with immunity aren't infectable.	290	* objects with immunity aren't infectable.
268	* objects already infected aren't infectable.	291	* objects already infected aren't infectable.
269	* dead objects aren't infectable.	292	* dead objects aren't infectable.
270	* undead objects are infectible only if specifically named.	293	* undead objects are infectible only if specifically named.
271	*/	294	*/
		295	int
272	int infect_object(object victim, object disease, int force) {	296	infect_object (object victim, object disease, int force)
		297	{
273	object *tmp;	298	object *tmp;
274	object *new_disease;	299	object *new_disease;
275		300
276	/* don't infect inanimate objects */	301	/* don't infect inanimate objects */
277	if(!QUERY_FLAG(victim,FLAG_MONSTER) && !(victim->type==PLAYER)) return 0;	302	if (!QUERY_FLAG (victim, FLAG_MONSTER) && !(victim->type == PLAYER))
		303	return 0;
278		304
279	/* check and see if victim can catch disease: diseases	305	/* check and see if victim can catch disease: diseases
280	* are specific	306	* are specific
281	*/	307	*/
282	if(!is_susceptible_to_disease(victim, disease)) return 0;	308	if (!is_susceptible_to_disease (victim, disease))
		309	return 0;
283		310
284	/* roll the dice on infection before doing the inventory check! */	311	/* roll the dice on infection before doing the inventory check! */
285	if(!force && (random_roll(0, 126, victim, PREFER_HIGH) >= disease->stats.wc))	312	if (!force && (random_roll (0, 126, victim, PREFER_HIGH) >= disease->stats.wc))
286	return 0;	313	return 0;
287		314
288	/* do an immunity check */	315	/* do an immunity check */
		316	if (victim->head)
289	if(victim->head) tmp = victim->head->inv;	317	tmp = victim->head->inv;
		318	else
290	else tmp = victim->inv;	319	tmp = victim->inv;
291		320
292	/* There used to (IMO) be a flaw in the below - it used to be the case	321	/* 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	322	* 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	323	* 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	324	* (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	325	* they were cast in that same order. Instead, change it so that
297	* if you diseased, you can't get diseased more.	326	* if you diseased, you can't get diseased more.
298	*/	327	*/
299		328
300	for(/* tmp initialized in if, above */;tmp;tmp=tmp->below) {	329	for ( /* tmp initialized in if, above */ ; tmp; tmp = tmp->below)
		330	{
301	if(tmp->type == SIGN && !strcmp(tmp->name,disease->name) && tmp->level >= disease->level)	331	if (tmp->type == SIGN && !strcmp (tmp->name, disease->name) && tmp->level >= disease->level)
302	return 0; /Immune! /	332	return 0; /Immune! /
303	else if (tmp->type==DISEASE && !strcmp(tmp->name,disease->name))	333	else if (tmp->type == DISEASE && !strcmp (tmp->name, disease->name))
304	return 0; /* already diseased */	334	return 0; /* already diseased */
305	}	335	}
306		336
307	/* If we've gotten this far, go ahead and infect the victim. */	337	/* If we've gotten this far, go ahead and infect the victim. */
308	new_disease = get_object();	338	new_disease = disease->clone ();
309	copy_object(disease,new_disease);
310	new_disease->stats.food=disease->stats.maxgrace;	339	new_disease->stats.food = disease->stats.maxgrace;
311	new_disease->value=disease->stats.maxhp;	340	new_disease->value = disease->stats.maxhp;
312	new_disease->stats.wc -= disease->last_grace; /* self-limiting factor */	341	new_disease->stats.wc -= disease->last_grace; /* self-limiting factor */
313		342
314	/* Unfortunately, set_owner does the wrong thing to the skills pointers	343	/* Unfortunately, set_owner does the wrong thing to the skills pointers
315	* resulting in exp going into the owners current chosen skill.	344	* resulting in exp going into the owners current chosen skill.
316	*/	345	*/
317		346
318	if(get_owner(disease)) {	347	if (get_owner (disease))
		348	{
319	set_owner(new_disease,disease->owner);	349	set_owner (new_disease, disease->owner);
320		350
321	/* Only need to update skill if different */	351	/* Only need to update skill if different */
322	if (new_disease->skill != disease->skill) {	352	if (new_disease->skill != disease->skill)
323	if (new_disease->skill) free_string(new_disease->skill);	353	new_disease->skill = disease->skill;
324	if (disease->skill) new_disease->skill = add_refcount(disease->skill);
325	}
326	}	354	}
		355	else
327	else { /* for diseases which are passed by hitting, set owner and praying skill*/	356	{ /* for diseases which are passed by hitting, set owner and praying skill */
328	if(disease->env && disease->env->type==PLAYER) {	357	if (disease->env && disease->env->type == PLAYER)
		358	{
329	object *player = disease->env;	359	object *player = disease->env;
330		360
331	set_owner(new_disease,player);	361	set_owner (new_disease, player);
		362
332	/* the skill pointer for these diseases should already be set up -	363	/* the skill pointer for these diseases should already be set up -
333	* hardcoding in 'praying' is not the right approach.	364	* hardcoding in 'praying' is not the right approach.
334	*/	365	*/
335	}	366	}
336	}	367	}
337		368
338	insert_ob_in_ob(new_disease,victim);	369	insert_ob_in_ob (new_disease, victim);
339	/* This appears to be a horrible case of overloading 'NO_PASS'	370	/* This appears to be a horrible case of overloading 'NO_PASS'
340	* for meaning in the diseases.	371	* for meaning in the diseases.
341	*/	372	*/
342	new_disease->move_block = 0;	373	new_disease->move_block = 0;
343	if(new_disease->owner && new_disease->owner->type==PLAYER) {	374	if (new_disease->owner && new_disease->owner->type == PLAYER)
		375	{
344	char buf[128];	376	char buf[128];
		377
345	/* if the disease has a title, it has a special infection message	378	/* if the disease has a title, it has a special infection message
346	* This messages is printed in the form MESSAGE victim	379	* This messages is printed in the form MESSAGE victim
347	*/	380	*/
348	if(new_disease->title)	381	if (new_disease->title)
349	sprintf(buf,"%s %s!!",disease->title,victim->name);	382	sprintf (buf, "%s %s!!", &disease->title, &victim->name);
350	else	383	else
351	sprintf(buf,"You infect %s with your disease, %s!",victim->name,new_disease->name);	384	sprintf (buf, "You infect %s with your disease, %s!", &victim->name, &new_disease->name);
352		385
353	if(victim->type == PLAYER)	386	if (victim->type == PLAYER)
354	new_draw_info(NDI_UNIQUE \| NDI_RED, 0, new_disease->owner, buf);	387	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, new_disease->owner, buf);
355	else	388	else
356	new_draw_info(0, 4, new_disease->owner, buf);	389	new_draw_info (0, 4, new_disease->owner, buf);
357	}	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		397
365		398
366		399
367	/* this function monitors the symptoms caused by the disease (if any),	400	/* this function monitors the symptoms caused by the disease (if any),
368	causes symptoms, and modifies existing symptoms in the case of	401	causes symptoms, and modifies existing symptoms in the case of
369	existing diseases. */	402	existing diseases. */
370		403
		404	int
371	int do_symptoms(object *disease) {	405	do_symptoms (object *disease)
		406	{
372	object *symptom;	407	object *symptom;
373	object *victim;	408	object *victim;
374	object *tmp;	409	object *tmp;
		410
375	victim = disease->env;	411	victim = disease->env;
376		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	*/
381		417
382	if(victim == NULL \|\| victim==disease)	418	if (victim == NULL \|\| victim == disease)
383	return 0;/* no-one to inflict symptoms on */	419	return 0; /* no-one to inflict symptoms on */
384		420
385	symptom = find_symptom(disease);	421	symptom = find_symptom (disease);
386	if(symptom==NULL) {	422	if (symptom == NULL)
		423	{
387	/* no symptom? need to generate one! */	424	/* no symptom? need to generate one! */
388	object *new_symptom;	425	object *new_symptom;
389		426
390	/* first check and see if the carrier of the disease is immune. If so, no symptoms! */	427	/* 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;	428	if (!is_susceptible_to_disease (victim, disease))
		429	return 0;
392		430
393	/* check for an actual immunity */	431	/* check for an actual immunity */
394	/* do an immunity check */	432	/* do an immunity check */
		433	if (victim->head)
395	if(victim->head) tmp = victim->head->inv;	434	tmp = victim->head->inv;
		435	else
396	else tmp = victim->inv;	436	tmp = victim->inv;
397		437
398	for(/* tmp initialized in if, above */;tmp;tmp=tmp->below) {	438	for ( /* tmp initialized in if, above */ ; tmp; tmp = tmp->below)
		439	{
399	if(tmp->type == SIGN) /* possibly an immunity, or diseased*/	440	if (tmp->type == SIGN) /* possibly an immunity, or diseased */
400	if(!strcmp(tmp->name,disease->name) && tmp->level >= disease->level)	441	if (!strcmp (tmp->name, disease->name) && tmp->level >= disease->level)
401	return 0; /Immune! /	442	return 0; /Immune! /
402	}	443	}
403		444
404	new_symptom = get_archetype(ARCH_SYMPTOM);	445	new_symptom = get_archetype (ARCH_SYMPTOM);
405		446
406	/* Something special done with dam. We want diseases to be more	447	/* 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	448	* 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.	449	* do random, note, this has a weird effect with progressive diseases.
409	*/	450	*/
410	if(disease->stats.dam != 0) {	451	if (disease->stats.dam != 0)
		452	{
411	int dam = disease->stats.dam;	453	int dam = disease->stats.dam;
412		454
413	/* reduce the damage, on average, 50%, and making things random. */	455	/* reduce the damage, on average, 50%, and making things random. */
414		456
415	dam = random_roll(1, FABS(dam), victim, PREFER_LOW);	457	dam = random_roll (1, FABS (dam), victim, PREFER_LOW);
416	if(disease->stats.dam < 0) dam = -dam;	458	if (disease->stats.dam < 0)
		459	dam = -dam;
417	new_symptom->stats.dam = dam;	460	new_symptom->stats.dam = dam;
418	}	461	}
419		462
420		463
421	new_symptom->stats.maxsp = disease->stats.maxsp;	464	new_symptom->stats.maxsp = disease->stats.maxsp;
422	new_symptom->stats.food = new_symptom->stats.maxgrace;	465	new_symptom->stats.food = new_symptom->stats.maxgrace;
423		466
424	FREE_AND_COPY(new_symptom->name, disease->name);	467	new_symptom->name = new_symptom->name_pl = disease->name;
425	FREE_AND_COPY(new_symptom->name_pl, disease->name);	468
426	new_symptom->level = disease->level;	469	new_symptom->level = disease->level;
427	new_symptom->speed = disease->speed;	470	new_symptom->speed = disease->speed;
428	new_symptom->value = 0;	471	new_symptom->value = 0;
429	new_symptom->stats.Str =disease->stats.Str;	472	new_symptom->stats.Str = disease->stats.Str;
430	new_symptom->stats.Dex = disease->stats.Dex;	473	new_symptom->stats.Dex = disease->stats.Dex;
431	new_symptom->stats.Con = disease->stats.Con;	474	new_symptom->stats.Con = disease->stats.Con;
432	new_symptom->stats.Wis = disease->stats.Wis;	475	new_symptom->stats.Wis = disease->stats.Wis;
433	new_symptom->stats.Int = disease->stats.Int;	476	new_symptom->stats.Int = disease->stats.Int;
434	new_symptom->stats.Pow = disease->stats.Pow;	477	new_symptom->stats.Pow = disease->stats.Pow;
435	new_symptom->stats.Cha = disease->stats.Cha;	478	new_symptom->stats.Cha = disease->stats.Cha;
436	new_symptom->stats.sp = disease->stats.sp;	479	new_symptom->stats.sp = disease->stats.sp;
437	new_symptom->stats.food =disease->last_eat;	480	new_symptom->stats.food = disease->last_eat;
438	new_symptom->stats.maxsp = disease->stats.maxsp;	481	new_symptom->stats.maxsp = disease->stats.maxsp;
439	new_symptom->last_sp = disease->last_sp;	482	new_symptom->last_sp = disease->last_sp;
440	new_symptom->stats.exp = 0;	483	new_symptom->stats.exp = 0;
441	new_symptom->stats.hp = disease->stats.hp;	484	new_symptom->stats.hp = disease->stats.hp;
442	new_symptom->msg = add_string(disease->msg);	485	new_symptom->msg = disease->msg;
443	new_symptom->attacktype = disease->attacktype;	486	new_symptom->attacktype = disease->attacktype;
444	new_symptom->other_arch = disease->other_arch;	487	new_symptom->other_arch = disease->other_arch;
445		488
446	set_owner(new_symptom,disease->owner);	489	set_owner (new_symptom, disease->owner);
		490
447	if (new_symptom->skill != disease->skill) {	491	if (new_symptom->skill != disease->skill)
448	if (new_symptom->skill) free_string(new_symptom->skill);	492	new_symptom->skill = disease->skill;
449	if (disease->skill) new_symptom->skill = add_refcount(disease->skill);	493
450	}
451	new_symptom->move_block=0;	494	new_symptom->move_block = 0;
452	insert_ob_in_ob(new_symptom,victim);	495	insert_ob_in_ob (new_symptom, victim);
453	return 1;	496	return 1;
454	}	497	}
455		498
456	/* now deal with progressing diseases: we increase the debility	499	/* now deal with progressing diseases: we increase the debility
457	* caused by the symptoms.	500	* caused by the symptoms.
458	*/	501	*/
459		502
460	if(disease->stats.ac!=0) {	503	if (disease->stats.ac != 0)
		504	{
461	float scale;	505	float scale;
462		506
463	symptom->value += disease->stats.ac;	507	symptom->value += disease->stats.ac;
464	scale = 1.0 + symptom->value/100.0;	508	scale = 1.0 + symptom->value / 100.0;
465	/* now rescale all the debilities */	509	/* now rescale all the debilities */
466	symptom->stats.Str = (int) (scale*disease->stats.Str);	510	symptom->stats.Str = (int) (scale * disease->stats.Str);
467	symptom->stats.Dex = (int) (scale*disease->stats.Dex);	511	symptom->stats.Dex = (int) (scale * disease->stats.Dex);
468	symptom->stats.Con = (int) (scale*disease->stats.Con);	512	symptom->stats.Con = (int) (scale * disease->stats.Con);
469	symptom->stats.Wis = (int) (scale*disease->stats.Wis);	513	symptom->stats.Wis = (int) (scale * disease->stats.Wis);
470	symptom->stats.Int = (int) (scale*disease->stats.Int);	514	symptom->stats.Int = (int) (scale * disease->stats.Int);
471	symptom->stats.Pow = (int) (scale*disease->stats.Pow);	515	symptom->stats.Pow = (int) (scale * disease->stats.Pow);
472	symptom->stats.Cha = (int) (scale*disease->stats.Cha);	516	symptom->stats.Cha = (int) (scale * disease->stats.Cha);
473	symptom->stats.dam = (int) (scale*disease->stats.dam);	517	symptom->stats.dam = (int) (scale * disease->stats.dam);
474	symptom->stats.sp = (int) (scale*disease->stats.sp);	518	symptom->stats.sp = (int) (scale * disease->stats.sp);
475	symptom->stats.food = (int) (scale*disease->last_eat);	519	symptom->stats.food = (int) (scale * disease->last_eat);
476	symptom->stats.maxsp = (int) (scale*disease->stats.maxsp);	520	symptom->stats.maxsp = (int) (scale * disease->stats.maxsp);
477	symptom->last_sp = (int) (scale*disease->last_sp);	521	symptom->last_sp = (int) (scale * disease->last_sp);
478	symptom->stats.exp = 0;	522	symptom->stats.exp = 0;
479	symptom->stats.hp = (int) (scale*disease->stats.hp);	523	symptom->stats.hp = (int) (scale * disease->stats.hp);
480	symptom->msg = add_string(disease->msg);	524	symptom->msg = disease->msg;
481	symptom->attacktype = disease->attacktype;	525	symptom->attacktype = disease->attacktype;
482	symptom->other_arch = disease->other_arch;	526	symptom->other_arch = disease->other_arch;
483	}	527	}
484	SET_FLAG(symptom,FLAG_APPLIED);	528	SET_FLAG (symptom, FLAG_APPLIED);
485	fix_player(victim);	529	fix_player (victim);
486	return 1;	530	return 1;
487	}	531	}
488		532
489		533
490	/* grants immunity to plagues we've seen before. */	534	/* grants immunity to plagues we've seen before. */
		535	int
491	int grant_immunity(object *disease) {	536	grant_immunity (object *disease)
		537	{
492	object * immunity;	538	object *immunity;
493	object *walk;	539	object *walk;
		540
494	/* Don't give immunity to this disease if last_heal is set. */	541	/* Don't give immunity to this disease if last_heal is set. */
495	if(disease->last_heal) return 0;	542	if (disease->last_heal)
		543	return 0;
496	/* first, search for an immunity of the same name */	544	/* first, search for an immunity of the same name */
497	for(walk=disease->env->inv;walk;walk=walk->below) {	545	for (walk = disease->env->inv; walk; walk = walk->below)
		546	{
498	if(walk->type==98 && !strcmp(disease->name,walk->name)) {	547	if (walk->type == 98 && !strcmp (disease->name, walk->name))
		548	{
499	walk->level = disease->level;	549	walk->level = disease->level;
500	return 1; /* just update the existing immunity. */	550	return 1; /* just update the existing immunity. */
501	}	551	}
502	}	552	}
503	immunity = get_archetype("immunity");	553	immunity = get_archetype ("immunity");
504	immunity->name = add_string(disease->name);	554	immunity->name = disease->name;
505	immunity->level = disease->level;	555	immunity->level = disease->level;
506	immunity->move_block = 0;	556	immunity->move_block = 0;
507	insert_ob_in_ob(immunity,disease->env);	557	insert_ob_in_ob (immunity, disease->env);
508	return 1;	558	return 1;
509		559
510	}	560	}
511		561
512		562
513	/* make the symptom do the nasty things it does */	563	/* make the symptom do the nasty things it does */
514		564
		565	int
515	int move_symptom(object *symptom) {	566	move_symptom (object *symptom)
		567	{
516	object *victim = symptom->env;	568	object *victim = symptom->env;
517	object *new_ob;	569	object *new_ob;
518	int sp_reduce;	570	int sp_reduce;
519		571
520	if(victim == NULL \|\| victim->map==NULL) { /* outside a monster/player, die immediately */	572	if (victim == NULL \|\| victim->map == NULL)
521	remove_ob(symptom);	573	{ /* outside a monster/player, die immediately */
522	free_object(symptom);	574	symptom->destroy ();
523	return 0;	575	return 0;
524	}	576	}
525		577
		578	if (symptom->stats.dam > 0)
526	if(symptom->stats.dam > 0) hit_player(victim,symptom->stats.dam,symptom,symptom->attacktype,1);	579	hit_player (victim, symptom->stats.dam, symptom, symptom->attacktype, 1);
		580	else
527	else hit_player(victim,(int) MAX(1,-victim->stats.maxhp * symptom->stats.dam / 100.0),symptom,symptom->attacktype,1);	581	hit_player (victim, (int) MAX (1, -victim->stats.maxhp * symptom->stats.dam / 100.0), symptom, symptom->attacktype, 1);
528		582
529	if(symptom->stats.maxsp>0) sp_reduce = symptom->stats.maxsp;	583	if (symptom->stats.maxsp > 0)
		584	sp_reduce = symptom->stats.maxsp;
		585	else
530	else sp_reduce = (int) MAX(1,victim->stats.maxsp * symptom->stats.maxsp/100.0);	586	sp_reduce = (int) MAX (1, victim->stats.maxsp * symptom->stats.maxsp / 100.0);
531	victim->stats.sp = MAX(0,victim->stats.sp - sp_reduce);	587	victim->stats.sp = MAX (0, victim->stats.sp - sp_reduce);
532		588
533	/* create the symptom "other arch" object and drop it here	589	/* create the symptom "other arch" object and drop it here
534	* under every part of the monster	590	* under every part of the monster
535	* The victim may well have died.	591	* The victim may well have died.
536	*/	592	*/
537		593
538	if(victim->map==NULL) return 0;	594	if (victim->map == NULL)
		595	return 0;
539	if(symptom->other_arch) {	596	if (symptom->other_arch)
		597	{
540	object *tmp;	598	object *tmp;
		599
541	tmp=victim;	600	tmp = victim;
542	if(tmp->head!=NULL) tmp=tmp->head;	601	if (tmp->head != NULL)
		602	tmp = tmp->head;
543	for(/tmp initialized above /;tmp!=NULL;tmp=tmp->more) {	603	for ( /tmp initialized above / ; tmp != NULL; tmp = tmp->more)
		604	{
544	new_ob = arch_to_object(symptom->other_arch);	605	new_ob = arch_to_object (symptom->other_arch);
545	new_ob->x = tmp->x;	606	new_ob->x = tmp->x;
546	new_ob->y = tmp->y;	607	new_ob->y = tmp->y;
547	new_ob->map = victim->map;	608	new_ob->map = victim->map;
548	insert_ob_in_map(new_ob,victim->map,victim,0);	609	insert_ob_in_map (new_ob, victim->map, victim, 0);
549	}	610	}
550	}	611	}
551	new_draw_info(NDI_UNIQUE \| NDI_RED,0,victim,symptom->msg);	612	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, victim, symptom->msg);
552		613
553	return 1;	614	return 1;
554	}	615	}
555		616
556		617
557	/* possibly infect due to direct physical contact	618	/* possibly infect due to direct physical contact
558	i.e., AT_PHYSICAL-- called from "hit_player_attacktype" */	619	i.e., AT_PHYSICAL-- called from "hit_player_attacktype" */
559		620
		621	int
560	int check_physically_infect(object victim, object hitter) {	622	check_physically_infect (object victim, object hitter)
		623	{
561	object *walk;	624	object *walk;
		625
562	/* search for diseases, give every disease a chance to infect */	626	/* search for diseases, give every disease a chance to infect */
563	for(walk=hitter->inv;walk!=NULL;walk=walk->below)	627	for (walk = hitter->inv; walk != NULL; walk = walk->below)
564	if(walk->type==DISEASE) infect_object(victim,walk,0);	628	if (walk->type == DISEASE)
		629	infect_object (victim, walk, 0);
565	return 1;	630	return 1;
566	}	631	}
567		632
568	/* find a disease in someone*/	633	/* find a disease in someone*/
		634	object *
569	object find_disease(object victim) {	635	find_disease (object *victim)
		636	{
570	object *walk;	637	object *walk;
		638
571	for(walk=victim->inv;walk;walk=walk->below)	639	for (walk = victim->inv; walk; walk = walk->below)
572	if(walk->type==DISEASE) return walk;	640	if (walk->type == DISEASE)
		641	return walk;
573	return NULL;	642	return NULL;
574	}	643	}
575		644
576	/* do the cure disease stuff, from the spell "cure disease" */	645	/* do the cure disease stuff, from the spell "cure disease" */
577		646
		647	int
578	int cure_disease(object sufferer,object caster) {	648	cure_disease (object sufferer, object caster)
		649	{
579	object disease, next;	650	object disease, next;
580	int casting_level;	651	int casting_level;
581	int cure=0;	652	int cure = 0;
582		653
		654	if (caster)
583	if(caster) casting_level = caster->level;	655	casting_level = caster->level;
		656	else
584	else casting_level = 1000; /* if null caster, CURE all. */	657	casting_level = 1000; /* if null caster, CURE all. */
585		658
586	for(disease=sufferer->inv;disease;disease=next) {	659	for (disease = sufferer->inv; disease; disease = next)
		660	{
587	next=disease->below;	661	next = disease->below;
588		662
589	if(disease->type==DISEASE) { /* attempt to cure this disease */	663	if (disease->type == DISEASE)
		664	{ /* attempt to cure this disease */
590	/* If caster lvel is higher than disease level, cure chance	665	/* If caster lvel is higher than disease level, cure chance
591	* is automatic. If lower, then the chance is basically	666	* is automatic. If lower, then the chance is basically
592	* 1 in level_diff - if there is a 5 level difference, chance	667	* 1 in level_diff - if there is a 5 level difference, chance
593	* is 1 in 5.	668	* is 1 in 5.
594	*/	669	*/
595	if ((casting_level >= disease->level) \|\|	670	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),	671	{
597	caster, PREFER_LOW) ))) {
598		672
599	remove_symptoms(disease);	673	remove_symptoms (disease);
600	remove_ob(disease);
601	cure=1;	674	cure = 1;
602	if(caster) change_exp(caster,disease->stats.exp,	675
603	caster->chosen_skill?caster->chosen_skill->skill:NULL, 0);	676	if (caster)
604	free_object(disease);	677	change_exp (caster, disease->stats.exp, caster->chosen_skill ? &caster->chosen_skill->skill : (const char *) 0, 0);
		678
		679	disease->destroy ();
605	}	680	}
606	}	681	}
607	}	682	}
608	if (cure) {	683	if (cure)
		684	{
609	/* Only draw these messages once */	685	/* Only draw these messages once */
610	if (caster)	686	if (caster)
611	new_draw_info_format(NDI_UNIQUE,0,caster,"You cure a disease!");	687	new_draw_info_format (NDI_UNIQUE, 0, caster, "You cure a disease!");
612	new_draw_info(NDI_UNIQUE,0,sufferer,"You no longer feel diseased.");	688	new_draw_info (NDI_UNIQUE, 0, sufferer, "You no longer feel diseased.");
613	}	689	}
614	return 1;	690	return 1;
615	}	691	}
616		692
617	/* reduces disease progression: reduce_symptoms	693	/* reduces disease progression: reduce_symptoms
618	* return true if we actually reduce a disease.	694	* return true if we actually reduce a disease.
619	*/	695	*/
620		696
		697	int
621	int reduce_symptoms(object *sufferer, int reduction) {	698	reduce_symptoms (object *sufferer, int reduction)
		699	{
622	object *walk;	700	object *walk;
623	int success=0;	701	int success = 0;
624		702
625	for(walk=sufferer->inv;walk;walk=walk->below) {	703	for (walk = sufferer->inv; walk; walk = walk->below)
		704	{
626	if(walk->type==SYMPTOM) {	705	if (walk->type == SYMPTOM)
		706	{
627	if(walk->value > 0) {	707	if (walk->value > 0)
		708	{
628	success=1;	709	success = 1;
629	walk->value = MAX(0,walk->value - 2*reduction);	710	walk->value = MAX (0, walk->value - 2 * reduction);
630	/* give the disease time to modify this symptom,	711	/* give the disease time to modify this symptom,
631	* and reduce its severity. */	712	* and reduce its severity. */
632	walk->speed_left = 0;	713	walk->speed_left = 0;
633	}	714	}
634	}	715	}
635	}	716	}
636	if (success)	717	if (success)
637	new_draw_info(NDI_UNIQUE,0,sufferer,"Your illness seems less severe.");	718	new_draw_info (NDI_UNIQUE, 0, sufferer, "Your illness seems less severe.");
638	return success;	719	return success;
639	}	720	}
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 1.10 by root, Wed Dec 13 00:42:04 2006 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 1.10 by root, Wed Dec 13 00:42:04 2006 UTC