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

Comparing deliantra/server/server/disease.C (file contents):
Revision 1.37 by root, Thu Aug 23 18:55:02 2007 UTC vs.
Revision 1.50 by root, Sun Dec 28 07:38:49 2008 UTC

…		…
1	/*	1	/*
2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team	4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7	*	7	*
8	* Crossfire TRT is free software: you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
10	* the Free Software Foundation, either version 3 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
11	* (at your option) any later version.	11	* (at your option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
19	* along with this program. If not, see <http://www.gnu.org/licenses/>.	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	*	20	*
21	* The authors can be reached via e-mail to <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	22	*/
23		23
24	/* This file contains all the code implementing diseases,	24	/* This file contains all the code implementing diseases,
25	* except for odds and ends in attack.c and in	25	* except for odds and ends in attack.c and in
26	* living.c	26	* living.c
…		…
137	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
138	inventory. They themselves do nothing, except modify Symptoms, or	138	inventory. They themselves do nothing, except modify Symptoms, or
139	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:
140	these are their own object. */	140	these are their own object. */
141		141
142	/* check if victim is susceptible to disease. */	142	/* grants immunity to plagues we've seen before. */
143	static int	143	static int
144	is_susceptible_to_disease (object victim, object disease)	144	grant_immunity (object *disease)
145	{	145	{
146	if (!QUERY_FLAG (victim, FLAG_ALIVE))	146	object *immunity;
		147	object *walk;
		148
		149	/* Don't give immunity to this disease if last_heal is set. */
		150	if (disease->last_heal)
147	return 0;	151	return 0;
148		152
149	if (strstr (disease->race, "*") && !QUERY_FLAG (victim, FLAG_UNDEAD))	153	/* first, search for an immunity of the same name */
		154	for (walk = disease->env->inv; walk; walk = walk->below)
		155	if (walk->type == 98 && disease->name == walk->name)
		156	{
		157	walk->level = disease->level;
		158	return 1; /* just update the existing immunity. */
		159	}
		160
		161	immunity = get_archetype ("immunity");
		162
		163	immunity->name = disease->name;
		164	immunity->level = disease->level;
		165	immunity->move_block = 0;
		166
		167	insert_ob_in_ob (immunity, disease->env);
		168
150	return 1;	169	return 1;
		170	}
151		171
152	if ((disease->race == shstr_undead) && QUERY_FLAG (victim, FLAG_UNDEAD))	172	/* argument is a disease */
		173	static object *
		174	find_symptom (object *disease)
		175	{
		176	/* check the inventory for symptoms */
		177	for (object *walk = disease->env->inv; walk; walk = walk->below)
		178	if (walk->name == disease->name && walk->type == SYMPTOM)
153	return 1;	179	return walk;
154		180
155	if ((victim->race && strstr (disease->race, victim->race)) \|\| strstr (disease->race, victim->name))
156	return 1;
157
158	return 0;	181	return NULL;
159	}
160
161	int
162	move_disease (object *disease)
163	{
164	/* first task is to determine if the disease is inside or outside of someone.
165	* If outside, we decrement 'value' until we're gone.
166	*/
167
168	if (!disease->env)
169	{ /* we're outside of someone */
170	if (disease->stats.maxhp > 0)
171	disease->value--;
172
173	if (!disease->value)
174	{
175	disease->destroy ();
176	return 1;
177	}
178	}
179	else
180	{
181	/* if we're inside a person, have the disease run its course */
182	/* negative/zero food denotes "perpetual" diseases. */
183	if (disease->stats.food > 0)
184	{
185	disease->stats.food--;
186
187	if (!disease->stats.food)
188	{
189	remove_symptoms (disease); /* remove the symptoms of this disease */
190	grant_immunity (disease);
191	disease->destroy ();
192	return 1;
193	}
194	}
195	}
196
197	/* check to see if we infect others */
198	check_infection (disease);
199
200	/* impose or modify the symptoms of the disease */
201	if (disease->env && is_susceptible_to_disease (disease->env, disease))
202	do_symptoms (disease);
203
204	return 0;
205	}	182	}
206		183
207	/* remove any symptoms of disease	184	/* remove any symptoms of disease
208	* Modified by MSW 2003-03-28 do try to find all the symptom the	185	* Modified by MSW 2003-03-28 do try to find all the symptom the
209	* player may have - I think through some odd interactoins with	186	* player may have - I think through some odd interactoins with
210	* disease level and player level and whatnot, a player could get	187	* disease level and player level and whatnot, a player could get
211	* more than one symtpom to a disease.	188	* more than one symtpom to a disease.
212	*/	189	*/
213		190	static int
214	int
215	remove_symptoms (object *disease)	191	remove_symptoms (object *disease)
216	{	192	{
217	object symptom, victim = NULL;	193	object symptom, victim = NULL;
218		194
219	while ((symptom = find_symptom (disease)) != NULL)	195	while ((symptom = find_symptom (disease)) != NULL)
…		…
228	victim->update_stats ();	204	victim->update_stats ();
229		205
230	return 0;	206	return 0;
231	}	207	}
232		208
233	/* argument is a disease */
234	object *
235	find_symptom (object *disease)
236	{
237	/* check the inventory for symptoms */
238	for (object *walk = disease->env->inv; walk; walk = walk->below)
239	if (walk->name == disease->name && walk->type == SYMPTOM)
240	return walk;
241
242	return NULL;
243	}
244
245	/* searches around for more victims to infect */	209	/* searches around for more victims to infect */
246	int	210	static int
247	check_infection (object *disease)	211	check_infection (object *disease)
248	{	212	{
249	int x, y, range, mflags;
250	maptile map, map2;
251	object *tmp;
252
253	range = abs (disease->magic);	213	int range = abs (disease->magic);
254		214
255	if (disease->env)	215	object *op = disease->outer_env ();
256	{
257	x = disease->env->x;
258	y = disease->env->y;
259	map = disease->env->map;
260	}
261	else
262	{
263	x = disease->x;
264	y = disease->y;
265	map = disease->map;
266	}
267		216
268	if (!map)	217	if (!op->is_on_map ())
269	return 0;	218	return 0;
270		219
271	for (int i = x - range; i <= x + range; i++)	220	unordered_mapwalk (op, -range, -range, range, range)
272	for (int j = y - range; j <= y + range; j++)
273	{	221	{
274	sint16 i2, j2;	222	mapspace &ms = m->at (nx, ny);
275	mflags = get_map_flags (map, &map2, i, j, &i2, &j2);
276		223
277	if (!(mflags & P_OUT_OF_MAP) && (mflags & P_IS_ALIVE))	224	if (ms.flags () & P_IS_ALIVE)
278	for (tmp = GET_MAP_OB (map2, i2, j2); tmp; tmp = tmp->above)	225	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
279	infect_object (tmp, disease, 0);	226	infect_object (tmp, disease, 0);
280	}	227	}
281		228
282	return 1;	229	return 1;
283	}	230	}
284		231
285	/* check to see if an object is infectable:	232	/* check if victim is susceptible to disease. */
286	* objects with immunity aren't infectable.	233	static int
287	* objects already infected aren't infectable.	234	is_susceptible_to_disease (object victim, object disease)
288	* dead objects aren't infectable.
289	* undead objects are infectible only if specifically named.
290	*/
291	int
292	infect_object (object victim, object disease, int force)
293	{	235	{
294	object *tmp;	236	if (!QUERY_FLAG (victim, FLAG_ALIVE))
295	object *new_disease;
296
297	/* don't infect inanimate objects */
298	if (!QUERY_FLAG (victim, FLAG_MONSTER) && !(victim->type == PLAYER))
299	return 0;	237	return 0;
300		238
301	/* check and see if victim can catch disease: diseases	239	if (victim->flag [FLAG_WIZ])
302	* are specific
303	*/
304	if (!is_susceptible_to_disease (victim, disease))
305	return 0;	240	return 0;
306		241
307	/* roll the dice on infection before doing the inventory check! */	242	if (strstr (disease->race, "*") && !QUERY_FLAG (victim, FLAG_UNDEAD))
308	if (!force && (random_roll (0, 126, victim, PREFER_HIGH) >= disease->stats.wc))
309	return 0;	243	return 1;
310		244
311	/* do an immunity check */	245	if ((disease->race == shstr_undead) && QUERY_FLAG (victim, FLAG_UNDEAD))
312
313	/* There used to (IMO) be a flaw in the below - it used to be the case
314	* that if level check was done for both immunity and disease. This could
315	* result in a person with multiple afflictions of the same disease
316	* (eg, level 1 cold, level 2 cold, level 3 cold, etc), as long as
317	* they were cast in that same order. Instead, change it so that
318	* if you diseased, you can't get diseased more.
319	*/
320
321	for (tmp = victim->head_ ()->inv; tmp; tmp = tmp->below)
322	if (tmp->type == SIGN && tmp->name == disease->name && tmp->level >= disease->level)
323	return 0; /* Immune! */
324	else if (tmp->type == DISEASE && tmp->name == disease->name)
325	return 0; /* already diseased */
326
327	/* If we've gotten this far, go ahead and infect the victim. */
328
329	new_disease = disease->clone ();
330
331	new_disease->stats.food = disease->stats.maxgrace;
332	new_disease->value = disease->stats.maxhp;
333	new_disease->stats.wc -= disease->last_grace; /* self-limiting factor */
334
335	/* This appears to be a horrible case of overloading 'NO_PASS'
336	* for meaning in the diseases.
337	*/
338	new_disease->move_block = 0;
339
340	// insert before setting the owner
341	victim->head_ ()->insert (new_disease);
342
343	if (disease->owner)
344	new_disease->set_owner (disease->owner);
345	else if (object *pl = disease->in_player ())
346	/* for diseases which are passed by hitting, set owner and skill */
347	new_disease->set_owner (pl);
348
349	if (new_disease->owner && new_disease->owner->type == PLAYER)
350	{
351	const char *buf;
352
353	/* if the disease has a title, it has a special infection message
354	* This messages is printed in the form MESSAGE victim
355	*/
356	if (new_disease->title)
357	buf = format ("%s %s!!", &disease->title, &victim->name);
358	else
359	buf = format ("You infect %s with your disease, %s!", &victim->name, &new_disease->name);
360
361	if (victim->type == PLAYER)
362	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, new_disease->owner, buf);
363	else
364	new_draw_info (0, 4, new_disease->owner, buf);
365	}
366
367	if (victim->type == PLAYER)
368	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, victim, "You suddenly feel ill.");
369
370	return 1;	246	return 1;
		247
		248	if ((victim->race && strstr (disease->race, victim->race)) \|\| strstr (disease->race, victim->name))
		249	return 1;
		250
		251	return 0;
371	}	252	}
372		253
373	/* this function monitors the symptoms caused by the disease (if any),	254	/* this function monitors the symptoms caused by the disease (if any),
374	causes symptoms, and modifies existing symptoms in the case of	255	causes symptoms, and modifies existing symptoms in the case of
375	existing diseases. */	256	existing diseases. */
376	int	257	static int
377	do_symptoms (object *disease)	258	do_symptoms (object *disease)
378	{	259	{
379	object *symptom;	260	object *symptom;
380	object *victim;	261	object *victim;
381	object *tmp;	262	object *tmp;
…		…
493	victim->update_stats ();	374	victim->update_stats ();
494		375
495	return 1;	376	return 1;
496	}	377	}
497		378
498	/* grants immunity to plagues we've seen before. */
499	int	379	int
500	grant_immunity (object *disease)	380	move_disease (object *disease)
501	{	381	{
502	object *immunity;	382	/* First task is to determine if the disease is inside or outside of someone.
		383	* If outside, we decrement 'value' until we're gone.
		384	*/
		385
		386	if (!disease->env)
		387	{ /* we're outside of someone */
		388	if (disease->stats.maxhp > 0)
		389	disease->value--;
		390
		391	if (!disease->value)
		392	{
		393	disease->destroy ();
		394	return 1;
		395	}
		396	}
		397	else
		398	{
		399	/* if we're inside a person, have the disease run its course */
		400	/* negative/zero food denotes "perpetual" diseases. */
		401	if (disease->stats.food > 0)
		402	{
		403	disease->stats.food--;
		404
		405	if (!disease->stats.food)
		406	{
		407	remove_symptoms (disease); /* remove the symptoms of this disease */
		408	grant_immunity (disease);
		409	disease->destroy ();
		410	return 1;
		411	}
		412	}
		413	}
		414
		415	/* check to see if we infect others */
		416	check_infection (disease);
		417
		418	/* impose or modify the symptoms of the disease */
		419	if (disease->env && is_susceptible_to_disease (disease->env, disease))
		420	do_symptoms (disease);
		421
		422	return 0;
		423	}
		424
		425	/* check to see if an object is infectable:
		426	* objects with immunity aren't infectable.
		427	* objects already infected aren't infectable.
		428	* dead objects aren't infectable.
		429	* undead objects are infectible only if specifically named.
		430	*/
		431	int
		432	infect_object (object victim, object disease, int force)
		433	{
503	object *walk;	434	object *tmp;
		435	object *new_disease;
504		436
505	/* Don't give immunity to this disease if last_heal is set. */	437	/* don't infect inanimate objects */
506	if (disease->last_heal)	438	if (!QUERY_FLAG (victim, FLAG_MONSTER) && !(victim->type == PLAYER))
507	return 0;	439	return 0;
508		440
509	/* first, search for an immunity of the same name */	441	/* check and see if victim can catch disease: diseases
510	for (walk = disease->env->inv; walk; walk = walk->below)	442	* are specific
511	if (walk->type == 98 && disease->name == walk->name)	443	*/
		444	if (!is_susceptible_to_disease (victim, disease))
		445	return 0;
		446
		447	/* roll the dice on infection before doing the inventory check! */
		448	if (!force && (random_roll (0, 126, victim, PREFER_HIGH) >= disease->stats.wc))
		449	return 0;
		450
		451	/* do an immunity check */
		452
		453	/* There used to (IMO) be a flaw in the below - it used to be the case
		454	* that if level check was done for both immunity and disease. This could
		455	* result in a person with multiple afflictions of the same disease
		456	* (eg, level 1 cold, level 2 cold, level 3 cold, etc), as long as
		457	* they were cast in that same order. Instead, change it so that
		458	* if you diseased, you can't get diseased more.
		459	*/
		460
		461	for (tmp = victim->head_ ()->inv; tmp; tmp = tmp->below)
		462	if (tmp->type == SIGN && tmp->name == disease->name && tmp->level >= disease->level)
		463	return 0; /* Immune! */
		464	else if (tmp->type == DISEASE && tmp->name == disease->name)
		465	return 0; /* already diseased */
		466
		467	/* If we've gotten this far, go ahead and infect the victim. */
		468
		469	new_disease = disease->clone ();
		470
		471	new_disease->stats.food = disease->stats.maxgrace;
		472	new_disease->value = disease->stats.maxhp;
		473	new_disease->stats.wc -= disease->last_grace; /* self-limiting factor */
		474
		475	/* This appears to be a horrible case of overloading 'NO_PASS'
		476	* for meaning in the diseases.
		477	*/
		478	new_disease->move_block = 0;
		479
		480	// insert before setting the owner
		481	victim->head_ ()->insert (new_disease);
		482
		483	if (disease->owner)
		484	new_disease->set_owner (disease->owner);
		485	else if (object *pl = disease->in_player ())
		486	/* for diseases which are passed by hitting, set owner and skill */
		487	new_disease->set_owner (pl);
		488
		489	if (new_disease->owner && new_disease->owner->type == PLAYER)
512	{	490	{
513	walk->level = disease->level;	491	const char *buf;
514	return 1; /* just update the existing immunity. */	492
		493	/* if the disease has a title, it has a special infection message
		494	* This messages is printed in the form MESSAGE victim
		495	*/
		496	if (new_disease->title)
		497	buf = format ("%s %s!!", &disease->title, &victim->name);
		498	else
		499	buf = format ("You infect %s with your disease, %s!", &victim->name, &new_disease->name);
		500
		501	if (victim->type == PLAYER)
		502	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, new_disease->owner, buf);
		503	else
		504	new_draw_info (0, 4, new_disease->owner, buf);
515	}	505	}
516		506
517	immunity = get_archetype ("immunity");	507	if (victim->type == PLAYER)
518		508	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, victim, "You suddenly feel ill.");
519	immunity->name = disease->name;
520	immunity->level = disease->level;
521	immunity->move_block = 0;
522
523	insert_ob_in_ob (immunity, disease->env);
524		509
525	return 1;	510	return 1;
526	}	511	}
527		512
528	/* make the symptom do the nasty things it does */	513	/* make the symptom do the nasty things it does */
…		…
540	}	525	}
541		526
542	if (symptom->stats.dam > 0)	527	if (symptom->stats.dam > 0)
543	hit_player (victim, symptom->stats.dam, symptom, symptom->attacktype, 1);	528	hit_player (victim, symptom->stats.dam, symptom, symptom->attacktype, 1);
544	else	529	else
545	hit_player (victim, max (1, -victim->stats.maxhp * symptom->stats.dam / 100.0), symptom, symptom->attacktype, 1);	530	hit_player (victim, max (1, -victim->stats.maxhp * symptom->stats.dam / 100), symptom, symptom->attacktype, 1);
546		531
547	if (symptom->stats.maxsp > 0)	532	if (symptom->stats.maxsp > 0)
548	sp_reduce = symptom->stats.maxsp;	533	sp_reduce = symptom->stats.maxsp;
549	else	534	else
550	sp_reduce = max (1, victim->stats.maxsp * symptom->stats.maxsp / 100.0);	535	sp_reduce = max (1, victim->stats.maxsp * symptom->stats.maxsp / 100);
551		536
552	victim->stats.sp = max (0, victim->stats.sp - sp_reduce);	537	victim->stats.sp = max (0, victim->stats.sp - sp_reduce);
553		538
554	/* create the symptom "other arch" object and drop it here	539	/* create the symptom "other arch" object and drop it here
555	* under every part of the monster	540	* under every part of the monster
556	* The victim may well have died.	541	* The victim may well have died.
557	*/	542	*/
558	if (symptom->other_arch && victim->map)	543	if (victim->map)
		544	{
		545	victim->play_sound (symptom->sound);
		546
		547	if (symptom->other_arch)
559	for (object *tmp = victim->head_ (); tmp; tmp = tmp->more)	548	for (object *tmp = victim->head_ (); tmp; tmp = tmp->more)
560	{	549	{
561	new_ob = arch_to_object (symptom->other_arch);	550	new_ob = arch_to_object (symptom->other_arch);
562	new_ob->x = tmp->x;	551	new_ob->x = tmp->x;
563	new_ob->y = tmp->y;	552	new_ob->y = tmp->y;
564	new_ob->map = victim->map;	553	new_ob->map = victim->map;
565	insert_ob_in_map (new_ob, victim->map, victim, 0);	554	insert_ob_in_map (new_ob, victim->map, victim, 0);
		555	}
566	}	556	}
567		557
568	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, victim, symptom->msg);	558	new_draw_info (NDI_UNIQUE \| NDI_RED, 0, victim, symptom->msg);
569		559
570	return 1;	560	return 1;
571	}	561	}
…		…
594	return 0;	584	return 0;
595	}	585	}
596		586
597	/* do the cure disease stuff, from the spell "cure disease" */	587	/* do the cure disease stuff, from the spell "cure disease" */
598	int	588	int
599	cure_disease (object sufferer, object caster)	589	cure_disease (object sufferer, object caster, object *spell)
600	{	590	{
601	object disease, next;	591	object disease, next;
602	int casting_level;
603	int cure = 0;	592	int cure = 0;
604		593
605	if (caster)
606	casting_level = caster->level;
607	else
608	casting_level = 1000; /* if null caster, CURE all. */	594	int casting_level = caster ? caster->level : 1000; /* if null caster, CURE all. */
609		595
610	for (disease = sufferer->inv; disease; disease = next)	596	for (disease = sufferer->inv; disease; disease = next)
611	{	597	{
612	next = disease->below;	598	next = disease->below;
613		599
…		…
621	if ((casting_level >= disease->level) \|\| (!(random_roll (0, (disease->level - casting_level - 1), caster, PREFER_LOW))))	607	if ((casting_level >= disease->level) \|\| (!(random_roll (0, (disease->level - casting_level - 1), caster, PREFER_LOW))))
622	{	608	{
623	remove_symptoms (disease);	609	remove_symptoms (disease);
624	cure = 1;	610	cure = 1;
625		611
626	if (caster)	612	if (caster && spell)
627	change_exp (caster, disease->stats.exp, caster->chosen_skill ? caster->chosen_skill->skill : (const char *) 0, 0);	613	change_exp (caster, disease->stats.exp, spell->skill, SK_EXP_SKILL_ONLY);
628		614
629	disease->destroy ();	615	disease->destroy ();
630	}	616	}
631	}	617	}
632	}	618	}

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing deliantra/server/server/disease.C (file contents): Revision 1.37 by root, Thu Aug 23 18:55:02 2007 UTC vs. Revision 1.50 by root, Sun Dec 28 07:38:49 2008 UTC

Diff Legend

Comparing deliantra/server/server/disease.C (file contents):
Revision 1.37 by root, Thu Aug 23 18:55:02 2007 UTC vs.
Revision 1.50 by root, Sun Dec 28 07:38:49 2008 UTC