ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/server/attack.C

Comparing deliantra/server/server/attack.C (file contents):
Revision 1.75 by root, Mon Aug 27 05:10:51 2007 UTC vs.
Revision 1.114 by root, Fri Nov 6 12:27:06 2009 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 it under
9	* it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation, either version 3 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	11	* 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,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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 Affero GNU General Public License
19	* along with this program. If not, see <http://www.gnu.org/licenses/>.	19	* and the GNU General Public License along with this program. If not, see
		20	* <http://www.gnu.org/licenses/>.
20	*	21	*
21	* The authors can be reached via e-mail to <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23		24
24	#include <assert.h>	25	#include <assert.h>
25	#include <global.h>	26	#include <global.h>
26	#include <living.h>	27	#include <living.h>
…		…
35	char *msg2;	36	char *msg2;
36	} att_msg;	37	} att_msg;
37		38
38	/*#define ATTACK_DEBUG*/	39	/*#define ATTACK_DEBUG*/
39		40
40	/* cancels object *op. Cancellation basically means an object loses
41	* its magical benefits.
42	*/
43	void
44	cancellation (object *op)
45	{
46	if (op->invisible)
47	return;
48
49	if (QUERY_FLAG (op, FLAG_ALIVE) || op->type == CONTAINER || op->type == THROWN_OBJ)
50	{
51	/* Recurse through the inventory */
52	for (object *tmp = op->inv; tmp; tmp = tmp->below)
53	if (!did_make_save_item (tmp, AT_CANCELLATION, op))
54	cancellation (tmp);
55	}
56	else if (FABS (op->magic) <= rndm (0, 5))
57	{
58	/* Nullify this object. This code could probably be more complete */
59	/* in what abilities it should cancel */
60	op->magic = 0;
61
62	CLEAR_FLAG (op, FLAG_DAMNED);
63	CLEAR_FLAG (op, FLAG_CURSED);
64	CLEAR_FLAG (op, FLAG_KNOWN_MAGICAL);
65	CLEAR_FLAG (op, FLAG_KNOWN_CURSED);
66
67	if (op->env && op->env->type == PLAYER)
68	esrv_send_item (op->env, op);
69	}
70	}
71
72	/* did_make_save_item just checks to make sure the item actually	41	/* did_make_save_item just checks to make sure the item actually
73	* made its saving throw based on the tables. It does not take	42	* made its saving throw based on the tables. It does not take
74	* any further action (like destroying the item).	43	* any further action (like destroying the item).
75	*/	44	*/
76	int	45	static int
77	did_make_save_item (object *op, int type, object *originator)	46	did_make_save_item (object *op, int type, object *originator)
78	{	47	{
79	int i, roll, saves = 0, attacks = 0, number;	48	int i, roll, saves = 0, attacks = 0, number;
80	materialtype_t *mt;	49	materialtype_t *mt;
81		50
82	if (op->materialname == NULL)	51	if (!op->materialname)
83	{	52	{
84	for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)	53	for (mt = materialt; mt; mt = mt->next)
85	if (op->materials & mt->material)	54	if (op->materials & mt->material)
86	break;	55	break;
87	}	56	}
88	else	57	else
89	mt = name_to_material (op->materialname);	58	mt = name_to_material (op->materialname);
…		…
104	if (type != AT_MAGIC)	73	if (type != AT_MAGIC)
105	type &= ~(AT_CONFUSION | AT_DRAIN | AT_GHOSTHIT | AT_POISON | AT_SLOW |	74	type &= ~(AT_CONFUSION | AT_DRAIN | AT_GHOSTHIT | AT_POISON | AT_SLOW |
106	AT_PARALYZE | AT_TURN_UNDEAD | AT_FEAR | AT_DEPLETE | AT_DEATH |	75	AT_PARALYZE | AT_TURN_UNDEAD | AT_FEAR | AT_DEPLETE | AT_DEATH |
107	AT_COUNTERSPELL | AT_HOLYWORD | AT_BLIND | AT_LIFE_STEALING | AT_MAGIC);	76	AT_COUNTERSPELL | AT_HOLYWORD | AT_BLIND | AT_LIFE_STEALING | AT_MAGIC);
108		77
109	if (type == 0)	78	if (type == 0) return TRUE;
110	return TRUE;	79
111	if (roll == 20)	80	if (roll == 20) return TRUE;
112	return TRUE;	81	if (roll == 1) return FALSE;
113	if (roll == 1)
114	return FALSE;
115		82
116	for (number = 0; number < NROFATTACKS; number++)	83	for (number = 0; number < NROFATTACKS; number++)
117	{	84	{
118	i = 1 << number;	85	i = 1 << number;
		86
119	if (!(i & type))	87	if (!(i & type))
120	continue;	88	continue;
		89
121	attacks++;	90	attacks++;
122	if (op->resist[number] == 100)	91	if (op->resist[number] == 100)
123	saves++;	92	saves++;
124	else if (roll >= mt->save[number] - op->magic - op->resist[number] / 100)	93	else if (roll >= mt->save[number] - op->magic - op->resist[number] / 100)
125	saves++;	94	saves++;
…		…
134	return FALSE;	103	return FALSE;
135		104
136	return TRUE;	105	return TRUE;
137	}	106	}
138		107
		108	/* cancels object *op. Cancellation basically means an object loses
		109	* its magical benefits.
		110	*/
		111	void
		112	cancellation (object *op)
		113	{
		114	if (op->invisible)
		115	return;
		116
		117	if (QUERY_FLAG (op, FLAG_ALIVE) || op->type == CONTAINER || op->type == THROWN_OBJ)
		118	{
		119	/* Recurse through the inventory */
		120	for (object *tmp = op->inv; tmp; tmp = tmp->below)
		121	if (!did_make_save_item (tmp, AT_CANCELLATION, op))
		122	cancellation (tmp);
		123	}
		124	else if (FABS (op->magic) <= rndm (0, 5))
		125	{
		126	/* Nullify this object. This code could probably be more complete */
		127	/* in what abilities it should cancel */
		128	op->magic = 0;
		129
		130	CLEAR_FLAG (op, FLAG_DAMNED);
		131	CLEAR_FLAG (op, FLAG_CURSED);
		132	CLEAR_FLAG (op, FLAG_KNOWN_MAGICAL);
		133	CLEAR_FLAG (op, FLAG_KNOWN_CURSED);
		134
		135	if (object *pl = op->visible_to ())
		136	esrv_update_item (UPD_FLAGS, pl, op);
		137	}
		138	}
		139
139	/* This function calls did_make_save_item. It then performs the	140	/* This function calls did_make_save_item. It then performs the
140	* appropriate actions to the item (such as burning the item up,	141	* appropriate actions to the item (such as burning the item up,
141	* calling cancellation, etc.)	142	* calling cancellation, etc.)
142	*/	143	*/
143	void	144	void
…		…
148	object *env = op->env;	149	object *env = op->env;
149	int x = op->x, y = op->y;	150	int x = op->x, y = op->y;
150	maptile *m = op->map;	151	maptile *m = op->map;
151		152
152	op = stop_item (op);	153	op = stop_item (op);
153	if (op == NULL)	154	if (!op)
154	return;	155	return;
155		156
156	/* Hacked the following so that type LIGHTER will work.	157	/* Hacked the following so that type LIGHTER will work.
157	* Also, objects which are potenital "lights" that are hit by	158	* Also, objects which are potential "lights" that are hit by
158	* flame/elect attacks will be set to glow. "lights" are any	159	* flame/elect attacks will be set to glow. "lights" are any
159	* object with +/- glow_radius and an "other_arch" to change to.	160	* object with +/- glow_radius and an "other_arch" to change to.
160	* (and please note that we cant fail our save and reach this	161	* (and please note that we cant fail our save and reach this
161	* function if the object doesnt contain a material that can burn.	162	* function if the object doesnt contain a material that can burn.
162	* So forget lighting magical swords on fire with this!) -b.t.	163	* So forget lighting magical swords on fire with this!) -b.t.
163	*/	164	*/
164	if (type & (AT_FIRE | AT_ELECTRICITY) && op->other_arch && QUERY_FLAG (op, FLAG_IS_LIGHTABLE))	165	if (type & (AT_FIRE | AT_ELECTRICITY)
		166	&& (QUERY_FLAG (op, FLAG_IS_LIGHTABLE)
		167	|| op->type == LAMP
		168	|| op->type == TORCH
165	{	169	))
166	const char *arch = op->other_arch->archname;	170	{
167		171	switch (op->type)
168	op = decrease_ob_nr (op, 1);
169
170	if (op)
171	fix_stopped_item (op, m, originator);
172
173	if ((op = get_archetype (arch)) != NULL)
174	{	172	{
175	if (env)	173	case LAMP:
		174	case TORCH:
		175	// turn on a lamp
		176	apply_lamp (op, true);
		177	break;
		178
		179	default:
		180	// for instance icecubes:
		181	if (op->other_arch)
176	{	182	{
177	op->x = env->x, op->y = env->y;	183	const char *arch = op->other_arch->archname;
178	insert_ob_in_ob (op, env);	184
		185	if (op->decrease ())
		186	fix_stopped_item (op, m, originator);
		187
		188	if ((op = archetype::get (arch)))
		189	{
179	if (env->contr)	190	if (env)
180	esrv_send_item (env, op);	191	env->insert (op);
		192	else
		193	m->insert (op, x, y, originator);
		194	}
181	}	195	}
182	else
183	{
184	op->x = x, op->y = y;
185	insert_ob_in_map (op, m, originator, 0);
186	}
187	}	196	}
188
189	return;	197	return;
190	}	198	}
191		199
192	if (type & AT_CANCELLATION)	200	if (type & AT_CANCELLATION)
193	{ /* Cancellation. */	201	{ /* Cancellation. */
…		…
196	return;	204	return;
197	}	205	}
198		206
199	if (op->nrof > 1)	207	if (op->nrof > 1)
200	{	208	{
201	op = decrease_ob_nr (op, rndm (0, op->nrof - 1));	209	if (op->decrease (rndm (0, op->nrof - 1)))
202
203	if (op)
204	fix_stopped_item (op, m, originator);	210	fix_stopped_item (op, m, originator);
205	}	211	}
206	else	212	else
207	{	213	{
208	if (op->env)	214	// drop everything to the ground, if possible
209	{	215	op->insert_at (originator);
210	object *tmp = op->in_player ();
211
212	if (tmp)
213	esrv_del_item (tmp->contr, op->count);
214	}
215
216	op->destroy ();	216	op->drop_and_destroy ();
217	}	217	}
218		218
219	if (type & (AT_FIRE | AT_ELECTRICITY))	219	if (type & (AT_FIRE | AT_ELECTRICITY))
220	if (env)	220	if (env)
221	{	221	{
222	op = get_archetype ("burnout");	222	op = archetype::get (shstr_burnout);
223	op->x = env->x, op->y = env->y;	223	op->x = env->x, op->y = env->y;
224	insert_ob_in_ob (op, env);	224	env->insert (op);
225	}	225	}
226	else	226	else
227	replace_insert_ob_in_map ("burnout", originator);	227	replace_insert_ob_in_map (shstr_burnout, originator);
228		228
229	return;	229	return;
230	}	230	}
231		231
232	/* The value of 50 is arbitrary. */	232	/* The value of 50 is arbitrary. */
233	if (type & AT_COLD && (op->resist[ATNR_COLD] < 50) && !QUERY_FLAG (op, FLAG_NO_PICK) && (RANDOM () & 2))	233	if (type & AT_COLD && (op->resist[ATNR_COLD] < 50) && !QUERY_FLAG (op, FLAG_NO_PICK) && rndm (2))
234	{	234	{
235	object *tmp;
236	archetype *at = archetype::find ("icecube");	235	archetype *at = archetype::find (shstr_icecube);
237		236
238	if (at == NULL)	237	if (at == NULL)
239	return;	238	return;
240		239
241	op = stop_item (op);	240	op = stop_item (op);
242	if (op == NULL)	241	if (op == NULL)
243	return;	242	return;
244		243
245	if ((tmp = present_arch (at, op->map, op->x, op->y)) == NULL)	244	object *tmp = present_arch (at, op->map, op->x, op->y);
		245	if (!tmp)
246	{	246	{
247	tmp = arch_to_object (at);	247	tmp = arch_to_object (at);
248	tmp->x = op->x, tmp->y = op->y;	248	tmp->x = op->x, tmp->y = op->y;
249	/* This was in the old (pre new movement code) -	249	/* This was in the old (pre new movement code) -
250	* icecubes have slow_move set to 1 - don't want	250	* icecubes have slow_move set to 1 - don't want
…		…
253	tmp->move_slow_penalty = 0;	253	tmp->move_slow_penalty = 0;
254	tmp->move_slow = 0;	254	tmp->move_slow = 0;
255	insert_ob_in_map (tmp, op->map, originator, 0);	255	insert_ob_in_map (tmp, op->map, originator, 0);
256	}	256	}
257		257
258	if (!QUERY_FLAG (op, FLAG_REMOVED))	258	tmp->insert (op);
259	op->remove ();
260
261	insert_ob_in_ob (op, tmp);
262	return;	259	return;
263	}	260	}
264	}	261	}
265		262
266	/* Object op is hitting the map.	263	/* Object op is hitting the map.
…		…
295	}	292	}
296		293
297	if (op->head)	294	if (op->head)
298	op = op->head;	295	op = op->head;
299		296
300	map = op->map;	297	mapxy pos (op);
301	x = op->x + freearr_x[dir];	298	pos.move (dir);
302	y = op->y + freearr_y[dir];
303		299
304	if (!xy_normalise (map, x, y))	300	if (!pos.normalise ())
305	return 0;	301	return 0;
306		302
307	// elmex: a safe map tile can't be hit!	303	// elmex: a safe map tile can't be hit!
308	// this should prevent most harmful effects on items and players there.	304	// this should prevent most harmful effects on items and players there.
309	mapspace &ms = map->at (x, y);	305	mapspace &ms = pos.ms ();
310		306
311	if (ms.flags () & P_SAFE)	307	if (ms.flags () & P_SAFE)
312	return 0;	308	return 0;
313		309
314	/* peterm: a few special cases for special attacktypes --counterspell	310	/* peterm: a few special cases for special attacktypes --counterspell
…		…
352		348
353	/* Something could have happened to 'tmp' while 'tmp->below' was processed.	349	/* Something could have happened to 'tmp' while 'tmp->below' was processed.
354	* For example, 'tmp' was put in an icecube.	350	* For example, 'tmp' was put in an icecube.
355	* This is one of the few cases where on_same_map should not be used.	351	* This is one of the few cases where on_same_map should not be used.
356	*/	352	*/
357	if (tmp->map != map || tmp->x != x || tmp->y != y)	353	if (tmp->map != pos.m || tmp->x != pos.x || tmp->y != pos.y)
358	continue;	354	continue;
359		355
360	if (QUERY_FLAG (tmp, FLAG_ALIVE))	356	if (QUERY_FLAG (tmp, FLAG_ALIVE))
361	{	357	{
362	hit_player (tmp, op->stats.dam, op, type, full_hit);	358	hit_player (tmp, op->stats.dam, op, type, full_hit);
…		…
394		390
395	/* put in a few special messages for some of the common attacktypes	391	/* put in a few special messages for some of the common attacktypes
396	* a player might have. For example, fire, electric, cold, etc	392	* a player might have. For example, fire, electric, cold, etc
397	* [garbled 20010919]	393	* [garbled 20010919]
398	*/	394	*/
399
400	if (dam == 9998 && op->type == DOOR)	395	if (dam == 9998 && op->type == DOOR)
401	{	396	{
402	sprintf (buf1, "unlock %s", &op->name);	397	sprintf (buf1, "unlock %s", &op->name);
403	sprintf (buf2, " unlocks");	398	sprintf (buf2, " unlocks");
404	found++;	399	found++;
405	}	400	}
406	if (dam < 0)	401	else if (dam < 0)
407	{	402	{
408	sprintf (buf1, "hit %s", &op->name);	403	sprintf (buf1, "hit %s", &op->name);
409	sprintf (buf2, " hits");	404	sprintf (buf2, " hits");
410	found++;	405	found++;
411	}	406	}
…		…
533	strcpy (buf2, attack_mess[ATM_FIRE][i].buf3);	528	strcpy (buf2, attack_mess[ATM_FIRE][i].buf3);
534	found++;	529	found++;
535	break;	530	break;
536	}	531	}
537	}	532	}
538	else if (hitter->current_weapon != NULL)	533	else if (hitter->current_weapon)
539	{	534	{
540	int mtype;	535	int mtype;
541		536
542	switch (hitter->current_weapon->weapontype)	537	switch (hitter->current_weapon->weapontype)
543	{	538	{
544	case WEAP_HIT:	539	case WEAP_HIT:
545	mtype = ATM_BASIC;	540	mtype = ATM_BASIC;
546	break;	541	break;
547	case WEAP_SLASH:	542	case WEAP_SLASH:
548	mtype = ATM_SLASH;	543	mtype = ATM_SLASH;
549	break;	544	break;
550	case WEAP_PIERCE:	545	case WEAP_PIERCE:
551	mtype = ATM_PIERCE;	546	mtype = ATM_PIERCE;
552	break;	547	break;
553	case WEAP_CLEAVE:	548	case WEAP_CLEAVE:
554	mtype = ATM_CLEAVE;	549	mtype = ATM_CLEAVE;
555	break;	550	break;
556	case WEAP_SLICE:	551	case WEAP_SLICE:
557	mtype = ATM_SLICE;	552	mtype = ATM_SLICE;
558	break;	553	break;
559	case WEAP_STAB:	554	case WEAP_STAB:
560	mtype = ATM_STAB;	555	mtype = ATM_STAB;
561	break;	556	break;
562	case WEAP_WHIP:	557	case WEAP_WHIP:
563	mtype = ATM_WHIP;	558	mtype = ATM_WHIP;
564	break;	559	break;
565	case WEAP_CRUSH:	560	case WEAP_CRUSH:
566	mtype = ATM_CRUSH;	561	mtype = ATM_CRUSH;
567	break;	562	break;
568	case WEAP_BLUD:	563	case WEAP_BLUD:
569	mtype = ATM_BLUD;	564	mtype = ATM_BLUD;
570	break;	565	break;
571	default:	566	default:
572	mtype = ATM_BASIC;	567	mtype = ATM_BASIC;
573	break;	568	break;
574	}	569	}
		570
575	for (i = 0; i < MAXATTACKMESS && attack_mess[mtype][i].level != -1; i++)	571	for (i = 0; i < MAXATTACKMESS && attack_mess[mtype][i].level != -1; i++)
576	if (dam < attack_mess[mtype][i].level || attack_mess[mtype][i + 1].level == -1)	572	if (dam < attack_mess[mtype][i].level || attack_mess[mtype][i + 1].level == -1)
577	{	573	{
578	sprintf (buf1, "%s %s%s", attack_mess[mtype][i].buf1, &op->name, attack_mess[mtype][i].buf2);	574	sprintf (buf1, "%s %s%s", attack_mess[mtype][i].buf1, &op->name, attack_mess[mtype][i].buf2);
579	strcpy (buf2, attack_mess[mtype][i].buf3);	575	strcpy (buf2, attack_mess[mtype][i].buf3);
…		…
680	op->play_sound (sound_find ("player_hits4"));	676	op->play_sound (sound_find ("player_hits4"));
681	new_draw_info (NDI_BLACK, 0, hitter->owner, buf);	677	new_draw_info (NDI_BLACK, 0, hitter->owner, buf);
682	}	678	}
683	}	679	}
684		680
685
686	static int	681	static int
687	get_attack_mode (object **target, object **hitter, int *simple_attack)	682	get_attack_mode (object **target, object **hitter, int *simple_attack)
688	{	683	{
689	if (QUERY_FLAG (*target, FLAG_FREED) || QUERY_FLAG (*hitter, FLAG_FREED))	684	if (QUERY_FLAG (*target, FLAG_FREED) || QUERY_FLAG (*hitter, FLAG_FREED))
690	{	685	{
691	LOG (llevError, "BUG: get_attack_mode(): freed object\n");	686	LOG (llevError, "BUG: get_attack_mode(): freed object\n");
692	return 1;	687	return 1;
693	}	688	}
694	if ((*target)->head)	689
695	*target = (*target)->head;	690	*target = (*target)->head_ ();
696	if ((*hitter)->head)
697	*hitter = (*hitter)->head;	691	*hitter = (*hitter)->head_ ();
		692
		693	if ((*target)->type == LOCKED_DOOR)
		694	return 1; // locked doors cannot be hit
		695
698	if ((*hitter)->env != NULL || (*target)->env != NULL)	696	if ((*hitter)->env || (*target)->env)
699	{	697	{
700	*simple_attack = 1;	698	*simple_attack = 1;
701	return 0;	699	return 0;
702	}	700	}
		701
703	if (QUERY_FLAG (*target, FLAG_REMOVED)	702	if (QUERY_FLAG (*target, FLAG_REMOVED)
704	|| QUERY_FLAG (*hitter, FLAG_REMOVED) || (*hitter)->map == NULL || !on_same_map ((*hitter), (*target)))	703	|| QUERY_FLAG (*hitter, FLAG_REMOVED)
		704	|| !(*hitter)->map
		705	|| !on_same_map (*hitter, *target))
705	{	706	{
706	LOG (llevError, "BUG: hitter (arch %s, name %s) with no relation to " "target\n", &(*hitter)->arch->archname, &(*hitter)->name);	707	LOG (llevError | logBacktrace, "BUG: hitter (%s) with no relation to target (%s)\n",
		708	(*hitter)->debug_desc (), (*target)->debug_desc ());
707	return 1;	709	return 1;
708	}	710	}
		711
709	*simple_attack = 0;	712	*simple_attack = 0;
710	return 0;	713	return 0;
711	}	714	}
712		715
713	static int	716	static int
714	abort_attack (object *target, object *hitter, int simple_attack)	717	abort_attack (object *target, object *hitter, int simple_attack)
715	{	718	{
716
717	/* Check if target and hitter are still in a relation similar to the one	719	/* Check if target and hitter are still in a relation similar to the one
718	* determined by get_attack_mode(). Returns true if the relation has changed.	720	* determined by get_attack_mode(). Returns true if the relation has changed.
719	*/	721	*/
720	int new_mode;	722	int new_mode;
721		723
722	if (hitter->env == target || target->env == hitter)	724	if (hitter->env == target || target->env == hitter)
723	new_mode = 1;	725	new_mode = 1;
724	else if (QUERY_FLAG (hitter, FLAG_REMOVED) || QUERY_FLAG (target, FLAG_REMOVED) || hitter->map == NULL || !on_same_map (hitter, target))	726	else if (QUERY_FLAG (hitter, FLAG_REMOVED) || QUERY_FLAG (target, FLAG_REMOVED)
		727	|| hitter->map == NULL || !on_same_map (hitter, target))
725	return 1;	728	return 1;
726	else	729	else
727	new_mode = 0;	730	new_mode = 0;
		731
728	return new_mode != simple_attack;	732	return new_mode != simple_attack;
729	}	733	}
730		734
		735	/* thrown_item_effect() - handles any special effects of thrown
		736	* items (like attacking living creatures--a potion thrown at a
		737	* monster).
		738	*/
		739	static void
731	static void thrown_item_effect (object *, object *);	740	thrown_item_effect (object *hitter, object *victim)
		741	{
		742	if (!QUERY_FLAG (hitter, FLAG_ALIVE))
		743	{
		744	/* May not need a switch for just 2 types, but this makes it
		745	* easier for expansion.
		746	*/
		747	switch (hitter->type)
		748	{
		749	case POTION:
		750	/* should player get a save throw instead of checking magic protection? */
		751	if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_MAGIC] < 60))
		752	(void) apply_potion (victim, hitter);
		753	break;
		754
		755	case POISON: /* poison drinks */
		756	/* As with potions, should monster get a save? */
		757	if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_POISON] < 60))
		758	apply_poison (victim, hitter);
		759	break;
		760
		761	/* Removed case statements that did nothing.
		762	* food may be poisonous, but monster must be willing to eat it,
		763	* so we don't handle it here.
		764	* Containers should perhaps break open, but that code was disabled.
		765	*/
		766	}
		767	}
		768	}
		769
		770	/* determine if the object is an 'aimed' missile */
		771	static int
		772	is_aimed_missile (object *op)
		773	{
		774
		775	/* I broke what used to be one big if into a few nested
		776	* ones so that figuring out the logic is at least possible.
		777	*/
		778	if (op && (op->move_type & MOVE_FLYING))
		779	if (op->type == ARROW || op->type == THROWN_OBJ)
		780	return 1;
		781	else if (op->type == SPELL_EFFECT && (op->subtype == SP_BULLET || op->subtype == SP_EXPLOSION))
		782	return 1;
		783
		784	return 0;
		785	}
		786	/* adj_attackroll() - adjustments to attacks by various conditions */
		787	static int
		788	adj_attackroll (object *hitter, object *target)
		789	{
		790	object *attacker = hitter;
		791	int adjust = 0;
		792
		793	/* safety */
		794	if (!target || !hitter || !hitter->map || !target->map || !on_same_map (hitter, target))
		795	{
		796	LOG (llevError, "BUG: adj_attackroll(): hitter and target not on same " "map\n");
		797	return 0;
		798	}
		799
		800	/* aimed missiles use the owning object's sight */
		801	if (is_aimed_missile (hitter))
		802	{
		803	if ((attacker = hitter->owner) == NULL)
		804	attacker = hitter;
		805	/* A player who saves but hasn't quit still could have objects
		806	* owned by him - need to handle that case to avoid crashes.
		807	*/
		808	if (QUERY_FLAG (attacker, FLAG_REMOVED))
		809	attacker = hitter;
		810	}
		811	else if (!QUERY_FLAG (hitter, FLAG_ALIVE))
		812	return 0;
		813
		814	/* determine the condtions under which we make an attack.
		815	* Add more cases, as the need occurs. */
		816
		817	if (!can_see_enemy (attacker, target))
		818	{
		819	/* target is unseen */
		820	if (target->invisible || QUERY_FLAG (attacker, FLAG_BLIND))
		821	adjust -= 10;
		822	/* dark map penalty for the hitter (lacks infravision if we got here). */
		823	else if (!stand_in_light (target))
		824	adjust -= target->map->darklevel ();
		825	}
		826
		827	if (QUERY_FLAG (attacker, FLAG_SCARED))
		828	adjust -= 3;
		829
		830	if (QUERY_FLAG (target, FLAG_UNAGGRESSIVE))
		831	adjust += 1;
		832
		833	if (QUERY_FLAG (target, FLAG_SCARED))
		834	adjust += 1;
		835
		836	if (QUERY_FLAG (attacker, FLAG_CONFUSED))
		837	adjust -= 3;
		838
		839	/* if we attack at a different 'altitude' its harder */
		840	if ((attacker->move_type & target->move_type) == 0)
		841	adjust -= 2;
		842
		843	#if 0
		844	/* slower attacks are less likely to succeed. We should use a
		845	* comparison between attacker/target speeds BUT, players have
		846	* a generally faster speed, so this will wind up being a HUGE
		847	* disadantage for the monsters! Too bad, because missiles which
		848	* fly fast should have a better chance of hitting a slower target.
		849	*/
		850	if (hitter->speed < target->speed)
		851	adjust += ((float) hitter->speed - target->speed);
		852	#endif
		853
		854	#if 0
		855	LOG (llevDebug, "adj_attackroll() returns %d (%d)\n", adjust, attacker->count);
		856	#endif
		857
		858	return adjust;
		859	}
732		860
733	static int	861	static int
734	attack_ob_simple (object *op, object *hitter, int base_dam, int base_wc)	862	attack_ob_simple (object *op, object *hitter, int base_dam, int base_wc)
735	{	863	{
736	int simple_attack, roll, dam = 0;	864	int simple_attack, roll, dam = 0;
…		…
790	* for help. */	918	* for help. */
791	if (op->type != PLAYER && !can_see_enemy (op, hitter) && !op->owner && rndm (0, op->stats.Int))	919	if (op->type != PLAYER && !can_see_enemy (op, hitter) && !op->owner && rndm (0, op->stats.Int))
792	npc_call_help (op);	920	npc_call_help (op);
793		921
794	/* if you were hidden and hit by a creature, you are discovered */	922	/* if you were hidden and hit by a creature, you are discovered */
795	if (op->hide && QUERY_FLAG (hitter, FLAG_ALIVE))	923	if (op->flag [FLAG_HIDDEN] && hitter->flag [FLAG_ALIVE])
796	{	924	{
797	make_visible (op);	925	make_visible (op);
798		926
799	if (op->type == PLAYER)	927	if (op->type == PLAYER)
800	new_draw_info (NDI_UNIQUE, 0, op, "You were hit by a wild attack. " "You are no longer hidden!");	928	new_draw_info (NDI_UNIQUE, 0, op, "You were hit by a wild attack. You are no longer hidden!");
801	}	929	}
802		930
803	/* thrown items (hitter) will have various effects	931	/* thrown items (hitter) will have various effects
804	* when they hit the victim. For things like thrown daggers,	932	* when they hit the victim. For things like thrown daggers,
805	* this sets 'hitter' to the actual dagger, and not the	933	* this sets 'hitter' to the actual dagger, and not the
…		…
817	if (hitdam <= 0)	945	if (hitdam <= 0)
818	hitdam = 1;	946	hitdam = 1;
819		947
820	type = hitter->attacktype;	948	type = hitter->attacktype;
821		949
		950	/* Ok, because some of the brainfucks of the good *sigh* old *sigh*
		951	* Crossfire we have to default the attacktype here to AT_PHYSICAL.
		952	* This check is important for the most simple monsters out there in the
		953	* game content (maps, archs). For example orcs: They would have
		954	* no attacktype at all.
		955	*
		956	* Some time in the future someone should just go into the game data
		957	* and fix every monster out there ;-/ Until then we will kill some
		958	* more trees in the african rain forests with this check.
		959	*/
822	if (!type)	960	if (!type)
823	type = AT_PHYSICAL;	961	type = AT_PHYSICAL;
824		962
825	/* Handle monsters that hit back */	963	/* Handle monsters that hit back */
826	if (!simple_attack && QUERY_FLAG (op, FLAG_HITBACK) && QUERY_FLAG (hitter, FLAG_ALIVE))	964	if (!simple_attack && QUERY_FLAG (op, FLAG_HITBACK) && QUERY_FLAG (hitter, FLAG_ALIVE))
…		…
877	* debate - 5000 is 5 kg, so arrows, knives, and other light weapons	1015	* debate - 5000 is 5 kg, so arrows, knives, and other light weapons
878	* stick around.	1016	* stick around.
879	*/	1017	*/
880	if (op->weight <= 5000 && tmp->stats.hp >= 0)	1018	if (op->weight <= 5000 && tmp->stats.hp >= 0)
881	{	1019	{
882	tmp = tmp->head_ ();	1020	tmp->head_ ()->insert (op);
883
884	op->remove ();
885	op = insert_ob_in_ob (op, tmp);
886
887	if (tmp->type == PLAYER)
888	esrv_send_item (tmp, op);
889
890	return 1;	1021	return 1;
891	}	1022	}
892	else	1023	else
893	return 0;	1024	return 0;
894	}	1025	}
…		…
908	/* Disassemble missile */	1039	/* Disassemble missile */
909	if (op->inv)	1040	if (op->inv)
910	{	1041	{
911	container = op;	1042	container = op;
912	hitter = op->inv;	1043	hitter = op->inv;
913	hitter->remove ();
914	insert_ob_in_map (hitter, container->map, hitter, INS_NO_MERGE | INS_NO_WALK_ON);	1044	hitter->insert_at (container, hitter, INS_NO_MERGE | INS_NO_WALK_ON);
915	/* Note that we now have an empty THROWN_OBJ on the map. Code that	1045	/* Note that we now have an empty THROWN_OBJ on the map. Code that
916	* might be called until this THROWN_OBJ is either reassembled or	1046	* might be called until this THROWN_OBJ is either reassembled or
917	* removed at the end of this function must be able to deal with empty	1047	* removed at the end of this function must be able to deal with empty
918	* THROWN_OBJs. */	1048	* THROWN_OBJs. */
919	}	1049	}
…		…
933	* other places as well!)	1063	* other places as well!)
934	*/	1064	*/
935	if (hitter->destroyed () || hitter->env != NULL)	1065	if (hitter->destroyed () || hitter->env != NULL)
936	{	1066	{
937	if (container)	1067	if (container)
938	{
939	container->remove ();
940	container->destroy ();	1068	container->destroy ();
941	}
942		1069
943	return 0;	1070	return 0;
944	}	1071	}
945		1072
946	/* Missile hit victim */	1073	/* Missile hit victim */
…		…
970	* can fly over but not otherwise move over. What is the correct	1097	* can fly over but not otherwise move over. What is the correct
971	* way to handle those otherwise?	1098	* way to handle those otherwise?
972	*/	1099	*/
973	if (victim->x != hitter->x || victim->y != hitter->y)	1100	if (victim->x != hitter->x || victim->y != hitter->y)
974	{	1101	{
		1102	if (victim->destroyed ())
		1103	hitter->destroy ();
		1104	else
		1105	{
975	hitter->remove ();	1106	hitter->remove ();
976	hitter->x = victim->x;	1107	hitter->x = victim->x;
977	hitter->y = victim->y;	1108	hitter->y = victim->y;
978	insert_ob_in_map (hitter, victim->map, hitter, 0);	1109	insert_ob_in_map (hitter, victim->map, hitter, 0);
		1110	}
979	}	1111	}
980	else	1112	else
981	/* Else leave arrow where it is */	1113	/* Else leave arrow where it is */
982	merge_ob (hitter, NULL);	1114	merge_ob (hitter, NULL);
983		1115
…		…
998	}	1130	}
999		1131
1000	void	1132	void
1001	tear_down_wall (object *op)	1133	tear_down_wall (object *op)
1002	{	1134	{
1003	int perc = 0;
1004
1005	if (!op->stats.maxhp)	1135	if (!op->stats.maxhp)
1006	{
1007	LOG (llevError, "TEAR_DOWN wall %s had no maxhp.\n", &op->name);	1136	LOG (llevError, "TEAR_DOWN wall %s had no maxhp.\n", &op->name);
1008	perc = 1;	1137	else if (!op->has_anim ())
1009	}
1010	else if (!GET_ANIM_ID (op))
1011	{	1138	{
1012	/* Object has been called - no animations, so remove it */	1139	/* Object has been called - no animations, so remove it */
1013	if (op->stats.hp < 0)	1140	if (op->stats.hp < 0)
1014	op->destroy ();	1141	op->destroy ();
1015		1142
1016	return; /* no animations, so nothing more to do */	1143	return; /* no animations, so nothing more to do */
1017	}	1144	}
1018		1145
1019	perc = NUM_ANIMATIONS (op) - ((int) NUM_ANIMATIONS (op) * op->stats.hp) / op->stats.maxhp;	1146	// we use frames 1..num-2 as intermediate frames, so
		1147	// the last frame is used only when hp < 0.
		1148	int perc = clamp (
		1149	lerp_ru<int> (op->stats.hp, 0, op->stats.maxhp, op->anim_frames () - 2, 0),
		1150	0, op->anim_frames () - 1
		1151	);
1020		1152
1021	if (perc >= (int) NUM_ANIMATIONS (op))	1153	op->set_anim_frame (perc);
1022	perc = NUM_ANIMATIONS (op) - 1;
1023	else if (perc < 1)
1024	perc = 1;
1025
1026	SET_ANIMATION (op, perc);
1027	update_object (op, UP_OBJ_FACE);	1154	update_object (op, UP_OBJ_FACE);
1028		1155
1029	if (perc == NUM_ANIMATIONS (op) - 1)	1156	if (op->stats.hp < 0)
1030	{ /* Reached the last animation */	1157	{ /* Reached the last animation */
1031	if (op->face == blank_face)	1158	if (op->face == blank_face)
1032	/* If the last face is blank, remove the ob */	1159	/* If the last face is blank, remove the ob */
1033	op->destroy ();	1160	op->destroy ();
1034	else	1161	else
1035	{ /* The last face was not blank, leave an image */	1162	{ /* The last face was not blank, leave an image */
1036	CLEAR_FLAG (op, FLAG_BLOCKSVIEW);	1163	op->flag [FLAG_BLOCKSVIEW] = false;
1037	update_all_los (op->map, op->x, op->y);	1164	update_all_los (op->map, op->x, op->y);
1038	op->move_block = 0;	1165	op->move_block = 0;
1039	CLEAR_FLAG (op, FLAG_ALIVE);	1166	op->flag [FLAG_ALIVE] = false;
1040	}	1167	}
1041	}	1168	}
1042	}	1169	}
1043		1170
1044	void	1171	void
1045	scare_creature (object *target, object *hitter)	1172	scare_creature (object *target, object *hitter)
1046	{	1173	{
1047	object *owner = hitter->owner;	1174	target->flag [FLAG_SCARED] = true;
1048		1175
		1176	if (!target->enemy)
		1177	target->enemy = hitter->outer_owner ();
		1178	}
		1179
		1180	/* GROS: This code comes from hit_player. It has been made external to
		1181	* allow script procedures to "kill" objects in a combat-like fashion.
		1182	* It was initially used by (kill-object) developed for the Collector's
		1183	* Sword. Note that nothing has been changed from the original version
		1184	* of the following code.
		1185	* op is what is being killed.
		1186	* dam is the damage done to it.
		1187	* hitter is what is hitting it.
		1188	* type is the attacktype.
		1189	*
		1190	* This function was a bit of a mess with hitter getting changed,
		1191	* values being stored away but not used, etc. I've cleaned it up
		1192	* a bit - I think it should be functionally equivalant.
		1193	* MSW 2002-07-17
		1194	*/
		1195	int
		1196	kill_object (object *op, int dam, object *hitter, int type)
		1197	{
		1198	char buf[MAX_BUF];
		1199	shstr skill;
		1200	int maxdam = 0;
		1201	int battleg = 0; /* true if op standing on battleground */
		1202	int pk = 0; /* true if op and what controls hitter are both players */
		1203	object *owner = 0;
		1204	object *skop = 0;
		1205
		1206	if (op->stats.hp >= 0)
		1207	return -1;
		1208
		1209	if (INVOKE_OBJECT (KILL, op, ARG_OBJECT (hitter)))
		1210	return 0;
		1211
		1212	/* maxdam needs to be the amount of damage it took to kill
		1213	* this creature. The function(s) that call us have already
		1214	* adjusted the creatures HP total, so that is negative.
		1215	*/
		1216	maxdam = dam + op->stats.hp + 1;
		1217
		1218	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW))
		1219	update_all_los (op->map, op->x, op->y); /* makes sure los will be recalculated */
		1220
		1221	if (op->type == DOOR)
		1222	{
		1223	op->set_speed (0.1f);
		1224	op->speed_left = -0.05f;
		1225	return maxdam;
		1226	}
		1227
		1228	if (QUERY_FLAG (op, FLAG_FRIENDLY) && op->type != PLAYER)
		1229	{
		1230	op->drop_and_destroy ();
		1231	return maxdam;
		1232	}
		1233
		1234	/* Now lets start dealing with experience we get for killing something */
		1235
		1236	owner = hitter->outer_owner ();
1049	if (!owner)	1237	if (!owner)
1050	owner = hitter;	1238	owner = hitter;
1051		1239
		1240	/* is the victim (op) standing on battleground? */
		1241	if (op_on_battleground (op, NULL, NULL))
		1242	battleg = 1;
		1243
		1244	/* is this player killing? */
		1245	if (op->type == PLAYER && owner->type == PLAYER)
		1246	pk = 1;
		1247
		1248	/* Player killed something */
		1249	if (owner->type == PLAYER)
		1250	{
		1251	/* Log players killing other players - makes it easier to detect
		1252	* and filter out malicious player killers - that is why the
		1253	* ip address is included.
		1254	*/
		1255	if (op->type == PLAYER && !battleg)
		1256	{
		1257	time_t t = time (NULL);
		1258	struct tm *tmv;
		1259	char buf[256];
		1260
		1261	tmv = localtime (&t);
		1262	strftime (buf, 256, "%a %b %d %H:%M:%S %Y", tmv);
		1263
		1264	LOG (llevInfo, "%s PLAYER_KILL_PLAYER: %s (%s) killed %s\n", buf, &owner->name, owner->contr->ns->host, query_name (op));
		1265	}
		1266
		1267	/* try to filter some things out - basically, if you are
		1268	* killing a level 1 creature and your level 20, you
		1269	* probably don't want to see that.
		1270	*/
		1271	if (owner->level < op->level * 2 || op->stats.exp > 1000)
		1272	{
		1273	if (owner != hitter)
		1274	new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s with %s.", query_name (op), query_name (hitter));
		1275	else
		1276	new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s.", query_name (op));
		1277
		1278	/* Only play sounds for melee kills */
		1279	if (hitter->type == PLAYER)
		1280	owner->play_sound (sound_find ("player_kills"));
		1281	}
		1282
		1283	/* If a player kills another player, not on
		1284	* battleground, the "killer" looses 1 luck. Since this is
		1285	* not reversible, it's actually quite a pain IMHO. -AV
		1286	* Fix bug in that we were changing the luck of the hitter, not
		1287	* player that the object belonged to - so if you killed another player
		1288	* with spells, pets, whatever, there was no penalty.
		1289	* Changed to make luck penalty configurable in settings.
		1290	*/
		1291	if (op->type == PLAYER && owner != op && !battleg)
		1292	owner->change_luck (-settings.pk_luck_penalty);
		1293
		1294	/* This code below deals with finding the appropriate skill
		1295	* to credit exp to. This is a bit problematic - we should
		1296	* probably never really have to look at current_weapon->skill
		1297	*/
		1298	if (hitter->skill && hitter->type != PLAYER)
		1299	skill = hitter->skill;
		1300	else if (owner->chosen_skill)
		1301	{
		1302	skop = owner->chosen_skill;
		1303	skill = skop->skill;
		1304	}
		1305	else if (QUERY_FLAG (owner, FLAG_READY_WEAPON) && owner->current_weapon)
		1306	skill = owner->current_weapon->skill;
		1307	else
		1308	{
		1309	LOG (llevError, "BUG: kill_object - unable to find skill that killed monster\n"
		1310	"op: %s\n" "hitter: %s\n" "owner: %s\n",
		1311	owner->debug_desc (), hitter->debug_desc (), op->debug_desc ());
		1312	skill = 0;
		1313	}
		1314
		1315	/* We have the skill we want to credit to - now find the object this goes
		1316	* to. Make sure skop is an actual skill, and not a skill tool!
		1317	*/
		1318	skop = owner->contr->find_skill (skill);
		1319	} /* Was it a player that hit somethign */
		1320	else
		1321	skill = 0;
		1322
		1323	/* These may have been set in the player code section above */
		1324	if (!skop)
		1325	skop = hitter->chosen_skill;
		1326
		1327	if (!skill && skop)
		1328	skill = skop->skill;
		1329
		1330	/* If you didn't kill yourself, and your not the wizard */
		1331	if (owner != op && !QUERY_FLAG (op, FLAG_WIZ))
		1332	{
		1333	int exp;
		1334
		1335	/* Really don't give much experience for killing other players */
		1336	// schmorp: temporarily? reduce the amount of exp gained for pking enourmously
		1337	if (op->type == PLAYER)
		1338	{
		1339	if (battleg)
		1340	{
		1341	new_draw_info (NDI_UNIQUE, 0, owner, "Your foe has fallen!");
		1342	new_draw_info (NDI_UNIQUE, 0, owner, "VICTORY!!!");
		1343	}
		1344	else
		1345	exp = op->stats.exp / 1000;
		1346	}
		1347	else
		1348	exp = calc_skill_exp (owner, op, skop);
		1349
		1350	/* if op is standing on "battleground" (arena), no way to gain
		1351	* exp by killing him
		1352	*/
		1353	if (battleg)
		1354	exp = 0;
		1355
		1356	/* Don't know why this is set this way - doesn't make
		1357	* sense to just divide everything by two for no reason.
		1358	*/
		1359
		1360	if (!settings.simple_exp)
		1361	exp = exp / 2;
		1362
		1363	if (owner->type != PLAYER || owner->contr->party == NULL)
		1364	change_exp (owner, exp, skill, 0);
		1365	else
		1366	{
		1367	int shares = 0, count = 0;
		1368	partylist *party = owner->contr->party;
		1369
		1370	add_kill_to_party (party, query_name (owner), query_name (op), exp);
		1371
		1372	for_all_players (pl)
		1373	if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
		1374	{
		1375	count++;
		1376	shares += (pl->ob->level + 4);
		1377	}
		1378
		1379	if (count == 1 || shares > exp || !shares)
		1380	change_exp (owner, exp, skill, SK_EXP_TOTAL);
		1381	else
		1382	{
		1383	int share = exp / shares, given = 0, nexp;
		1384
		1385	for_all_players (pl)
		1386	if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
		1387	{
		1388	nexp = (pl->ob->level + 4) * share;
		1389	change_exp (pl->ob, nexp, skill, SK_EXP_TOTAL);
		1390	given += nexp;
		1391	}
		1392
		1393	exp -= given;
		1394	/* give any remainder to the player */
		1395	change_exp (owner, exp, skill, SK_EXP_ADD_SKILL);
		1396	}
		1397	} /* else part of a party */
		1398	} /* end if person didn't kill himself */
		1399
		1400	if (op->type != PLAYER)
		1401	{
		1402	if (QUERY_FLAG (op, FLAG_FRIENDLY))
		1403	{
		1404	object *owner1 = op->owner;
		1405
		1406	if (owner1 && owner1->type == PLAYER)
		1407	{
		1408	owner1->contr->play_sound (sound_find ("pet_is_killed"));
		1409	/* Maybe we should include the owner that killed this, maybe not */
		1410	new_draw_info_format (NDI_UNIQUE, 0, owner1, "Your pet, the %s, was killed by %s.", &op->name, &hitter->name);
		1411	}
		1412
		1413	remove_friendly_object (op);
		1414	}
		1415
		1416	op->drop_and_destroy ();
		1417	}
		1418	else
		1419	/* Player has been killed! */
		1420	op->contr->killer = owner->type == PLAYER ? owner : hitter;
		1421
		1422	/* This was return -1 - that doesn't seem correct - if we return -1, process
		1423	* continues in the calling function.
		1424	*/
		1425	return maxdam;
		1426	}
		1427
		1428	/* Find out if this is friendly fire (PVP and attacker is peaceful) or not
		1429	* Returns 0 this is not friendly fire
		1430	*/
		1431	int
		1432	friendly_fire (object *op, object *hitter)
		1433	{
		1434	object *owner;
		1435	int friendlyfire;
		1436
		1437	if (hitter->head)
		1438	hitter = hitter->head;
		1439
		1440	friendlyfire = 0;
		1441
		1442	if (op->type == PLAYER)
		1443	{
		1444	if (op_on_battleground (hitter, 0, 0))
		1445	return 0;
		1446
		1447	if (hitter->type == PLAYER && hitter->contr->peaceful == 1)
		1448	return 1;
		1449
		1450	if ((owner = hitter->owner) != NULL)
		1451	{
		1452	if (owner->type == PLAYER && owner->contr->peaceful == 1)
		1453	friendlyfire = 2;
		1454	}
		1455
		1456	if (hitter->type == SPELL || hitter->type == POISONING || hitter->type == DISEASE || hitter->type == RUNE)
		1457	friendlyfire = 0;
		1458	}
		1459
		1460	return friendlyfire;
		1461	}
		1462
		1463	/* This isn't used just for players, but in fact most objects.
		1464	* op is the object to be hit, dam is the amount of damage, hitter
		1465	* is what is hitting the object, type is the attacktype, and
		1466	* full_hit is set if monster area does not matter.
		1467	* dam is base damage - protections/vulnerabilities/slaying matches can
		1468	* modify it.
		1469	*/
		1470	/* Oct 95 - altered the following slightly for MULTIPLE_GODS hack
		1471	* which needs new attacktype AT_HOLYWORD to work . b.t. */
		1472	int
		1473	hit_player (object *op, int dam, object *hitter, int type, int full_hit)
		1474	{
		1475	int maxdam = 0, ndam = 0, attacktype = 1, magic = (type & AT_MAGIC);
		1476	int maxattacktype, attacknum;
		1477	int body_attack = op && op->head; /* Did we hit op's head? */
		1478	int simple_attack;
		1479	int rtn_kill = 0;
		1480	int friendlyfire;
		1481
		1482	if (get_attack_mode (&op, &hitter, &simple_attack))
		1483	return 0;
		1484
		1485	/* very simple: if our target has no_damage 1 set or is wiz, we can't hurt him */
		1486	if (QUERY_FLAG (op, FLAG_WIZ) || QUERY_FLAG (op, FLAG_NO_DAMAGE))
		1487	return 0;
		1488
		1489	// only allow pk for hostile players
		1490	if (op->type == PLAYER)
		1491	{
		1492	object *owner = hitter->owner;
		1493
		1494	if (!owner)
		1495	owner = hitter;
		1496
		1497	if (owner->type == PLAYER
		1498	&& (!op_on_battleground (op, 0, 0)
		1499	&& (op->contr->peaceful || owner->contr->peaceful))
		1500	&& op != owner)
		1501	return 0;
		1502	}
		1503
		1504	if (body_attack)
		1505	{
		1506	/* slow and paralyze must hit the head. But we don't want to just
		1507	* return - we still need to process other attacks the spell still
		1508	* might have. So just remove the paralyze and slow attacktypes,
		1509	* and keep on processing if we have other attacktypes.
		1510	* return if only magic or nothing is left - under normal code
		1511	* we don't attack with pure magic if there is another attacktype.
		1512	* Only do processing if the initial attacktype includes one of those
		1513	* attack so we don't cancel out things like magic bullet.
		1514	*/
		1515	if (type & (AT_PARALYZE | AT_SLOW))
		1516	{
		1517	type &= ~(AT_PARALYZE | AT_SLOW);
		1518
		1519	if (!type || type == AT_MAGIC)
		1520	return 0;
		1521	}
		1522	}
		1523
		1524	if (!simple_attack && op->type == DOOR)
		1525	{
		1526	for (object *tmp = op->inv; tmp; tmp = tmp->below)
		1527	if (tmp->type == RUNE || tmp->type == TRAP)
		1528	{
		1529	spring_trap (tmp, hitter);
		1530
		1531	if (hitter->destroyed () || op->destroyed () || abort_attack (op, hitter, simple_attack))
		1532	return 0;
		1533
		1534	break;
		1535	}
		1536	}
		1537
		1538	if (!QUERY_FLAG (op, FLAG_ALIVE) || op->stats.hp < 0)
		1539	{
		1540	/* FIXME: If a player is killed by a rune in a door, the
		1541	* destroyed() check above doesn't return, and might get here.
		1542	*/
		1543
		1544	/* FIXME: This for example happens when a dead door is on a mover and
		1545	gets it's speed_left raised on each mover-tick.
		1546	Doors are removed in a kinda funny way by giving them speed and speed_left
		1547	and waiting for that to run out.
		1548	*/
		1549	LOG (llevDebug, "victim %s (%d) already dead in hit_player()\n", op->debug_desc (), op->stats.hp);
		1550	return 0;
		1551	}
		1552
		1553	#ifdef ATTACK_DEBUG
		1554	LOG (llevDebug, "hit player: attacktype %d, dam %d\n", type, dam);
		1555	#endif
		1556
		1557	if (magic)
		1558	{
		1559	/* basically: dam = dam*(100-op->resist[attacknum])/100;
		1560	* in case 0>dam>1, we try to "simulate" a float value-effect */
		1561	dam = dam * (100 - op->resist[ATNR_MAGIC]);
		1562	if (dam >= 100)
		1563	dam /= 100;
		1564	else
		1565	dam = (dam > rndm (0, 99)) ? 1 : 0;
		1566	}
		1567
		1568	/* AT_CHAOS here is a weapon or monster. Spells are handled by hit_map
		1569	* If the attacktype still has chaos, shuffle it, then clear the Chaos bit
		1570	*/
		1571	if (type & AT_CHAOS)
		1572	{
		1573	shuffle_attack (op, 0); /*0 flag tells it to not change the face */
		1574	update_object (op, UP_OBJ_FACE);
		1575	type &= ~AT_CHAOS;
		1576	}
		1577
		1578	/* Holyword is really an attacktype modifier (like magic is). If
		1579	* holyword is part of an attacktype, then make sure the creature is
		1580	* a proper match, otherwise no damage.
		1581	*/
		1582	if (type & AT_HOLYWORD)
		1583	{
		1584	object *god;
		1585
		1586	if ((!hitter->slaying
		1587	|| (!(op->race && hitter->slaying.contains (op->race))
		1588	&& !(op->name && hitter->slaying.contains (op->name))))
		1589	&& (!QUERY_FLAG (op, FLAG_UNDEAD)
		1590	|| (hitter->title
		1591	&& (god = find_god (determine_god (hitter))) != NULL
		1592	&& god->race.contains (shstr_undead))))
		1593	return 0;
		1594	}
		1595
		1596	maxattacktype = type; /* initialise this to something */
		1597	for (attacknum = 0; attacknum < NROFATTACKS; attacknum++, attacktype = 1 << attacknum)
		1598	{
		1599	/* Magic isn't really a true attack type - it gets combined with other
		1600	* attack types. As such, skip it over. However, if magic is
		1601	* the only attacktype in the group, then still attack with it
		1602	*/
		1603	if ((attacktype == AT_MAGIC) && (type & ~AT_MAGIC))
		1604	continue;
		1605
		1606	/* Go through and hit the player with each attacktype, one by one.
		1607	* hit_player_attacktype only figures out the damage, doesn't inflict
		1608	* it. It will do the appropriate action for attacktypes with
		1609	* effects (slow, paralization, etc.
		1610	*/
		1611	if (type & attacktype)
		1612	{
		1613	ndam = hit_player_attacktype (op, hitter, dam, attacknum, magic);
		1614	/* the >= causes us to prefer messages from special attacks, if
		1615	* the damage is equal.
		1616	*/
		1617	if (ndam >= maxdam)
		1618	{
		1619	maxdam = ndam;
		1620	maxattacktype = 1 << attacknum;
		1621	}
		1622	}
		1623	}
		1624
		1625	/* if this is friendly fire then do a set % of damage only
		1626	* Note - put a check in to make sure this attack is actually
		1627	* doing damage - otherwise, the +1 in the code below will make
		1628	* an attack do damage before when it otherwise didn't
		1629	*/
		1630	friendlyfire = friendly_fire (op, hitter);
		1631	if (friendlyfire && maxdam)
		1632	{
		1633	maxdam = ((dam * settings.set_friendly_fire) / 100);
		1634
		1635	#ifdef ATTACK_DEBUG
		1636	LOG (llevDebug, "Friendly fire (type:%d setting: %d%) did %d damage dropped to %d\n",
		1637	friendlyfire, settings.set_friendly_fire, dam, maxdam);
		1638	#endif
		1639	}
		1640
		1641	if (!full_hit)
		1642	{
		1643	int area;
		1644	int remainder;
		1645
		1646	area = 0;
		1647
		1648	for (archetype *at = op->arch; at; at = (archetype *)at->more)
		1649	area++;
		1650
		1651	assert (area > 0);
		1652
		1653	/* basically: maxdam /= area; we try to "simulate" a float
		1654	value-effect */
		1655	remainder = 100 * (maxdam % area) / area;
		1656	maxdam /= area;
		1657	if (rndm (100) < remainder)
		1658	maxdam++;
		1659	}
		1660
		1661	#ifdef ATTACK_DEBUG
		1662	LOG (llevDebug, "Attacktype %d did %d damage\n", type, maxdam);
		1663	#endif
		1664
		1665	// for now, only do this for active objects, otherwise they
		1666	// keep a refcount for a long time and I see no usefulness
		1667	// for an non-active objetc to know its enemy.
		1668	if (op->active)
		1669	if (hitter->owner)
		1670	op->enemy = hitter->owner;
		1671	else if (QUERY_FLAG (hitter, FLAG_ALIVE))
		1672	op->enemy = hitter;
		1673
		1674	if (QUERY_FLAG (op, FLAG_UNAGGRESSIVE) && op->type != PLAYER)
		1675	{
		1676	/* The unaggressives look after themselves 8) */
		1677	CLEAR_FLAG (op, FLAG_UNAGGRESSIVE);
		1678	npc_call_help (op);
		1679	}
		1680
		1681	if (magic && did_make_save (op, op->level, 0))
		1682	maxdam = maxdam / 2;
		1683
		1684	attack_message (maxdam, maxattacktype, op, hitter);
		1685
		1686	op->stats.hp -= maxdam;
		1687
		1688	/* Eneq(@csd.uu.se): Check to see if monster runs away. */
		1689	if ((op->stats.hp >= 0) &&
		1690	(QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER) &&
		1691	op->stats.hp < (signed short) (((float) op->run_away / (float) 100) * (float) op->stats.maxhp))
		1692	{
		1693
		1694	if (QUERY_FLAG (op, FLAG_MONSTER))
		1695	SET_FLAG (op, FLAG_RUN_AWAY);
		1696	else
		1697	scare_creature (op, hitter);
		1698	}
		1699
		1700	if (QUERY_FLAG (op, FLAG_TEAR_DOWN))
		1701	{
		1702	if (maxdam)
		1703	tear_down_wall (op);
		1704
		1705	return maxdam; /* nothing more to do for wall */
		1706	}
		1707
		1708	/* See if the creature has been killed */
		1709	rtn_kill = kill_object (op, maxdam, hitter, type);
		1710	if (rtn_kill != -1)
		1711	return rtn_kill;
		1712
		1713	/* Used to be ghosthit removal - we now use the ONE_HIT flag. Note
		1714	* that before if the player was immune to ghosthit, the monster
		1715	* remained - that is no longer the case.
		1716	*/
		1717	if (QUERY_FLAG (hitter, FLAG_ONE_HIT))
		1718	hitter->drop_and_destroy ();
		1719	/* Lets handle creatures that are splitting now */
		1720	else if (type & AT_PHYSICAL && !QUERY_FLAG (op, FLAG_FREED) && QUERY_FLAG (op, FLAG_SPLITTING))
		1721	{
		1722	int i;
		1723	int friendly = QUERY_FLAG (op, FLAG_FRIENDLY);
		1724	int unaggressive = QUERY_FLAG (op, FLAG_UNAGGRESSIVE);
		1725	object *owner = op->owner;
		1726
		1727	if (!op->other_arch)
		1728	{
		1729	LOG (llevError, "SPLITTING without other_arch error.\n");
		1730	return maxdam;
		1731	}
		1732
		1733	op->remove ();
		1734
		1735	for (i = 0; i < op->stats.food; i++)
		1736	{ /* This doesn't handle op->more yet */
		1737	object *tmp = arch_to_object (op->other_arch);
		1738	int j;
		1739
		1740	tmp->stats.hp = op->stats.hp;
		1741
		1742	if (friendly)
		1743	{
		1744	add_friendly_object (tmp);
		1745	tmp->attack_movement = PETMOVE;
		1746
		1747	if (owner)
		1748	tmp->set_owner (owner);
		1749	}
		1750
		1751	if (unaggressive)
		1752	SET_FLAG (tmp, FLAG_UNAGGRESSIVE);
		1753
		1754	j = find_first_free_spot (tmp, op->map, op->x, op->y);
		1755
		1756	if (j == -1) /* No spot to put this monster */
		1757	tmp->destroy ();
		1758	else
		1759	{
		1760	tmp->x = op->x + freearr_x[j], tmp->y = op->y + freearr_y[j];
		1761	insert_ob_in_map (tmp, op->map, NULL, 0);
		1762	}
		1763	}
		1764
		1765	op->destroy ();
		1766	}
		1767	else if (type & AT_DRAIN && hitter->type == GRIMREAPER && hitter->value++ > 10)
		1768	hitter->drop_and_destroy ();
		1769
		1770	return maxdam;
		1771	}
		1772
		1773	void
		1774	poison_player (object *op, object *hitter, int dam)
		1775	{
		1776	archetype *at = archetype::find ("poisoning");
		1777	object *tmp = present_arch_in_ob (at, op);
		1778
		1779	if (tmp == NULL)
		1780	{
		1781	if ((tmp = arch_to_object (at)) == NULL)
		1782	LOG (llevError, "Failed to clone arch poisoning.\n");
		1783	else
		1784	{
		1785	tmp = insert_ob_in_ob (tmp, op);
		1786	/* peterm: give poisoning some teeth. It should
		1787	* be able to kill things better than it does:
		1788	* damage should be dependent something--I choose to
		1789	* do this: if it's a monster, the damage from the
		1790	* poisoning goes as the level of the monster/2.
		1791	* If anything else, goes as damage.
		1792	*/
		1793
		1794	if (QUERY_FLAG (hitter, FLAG_ALIVE))
		1795	tmp->stats.dam += hitter->level / 2;
		1796	else
		1797	tmp->stats.dam = dam;
		1798
		1799	tmp->set_owner (hitter); /* so we get credit for poisoning kills */
		1800	if (hitter->skill && hitter->skill != tmp->skill)
		1801	{
		1802	tmp->skill = hitter->skill;
		1803	}
		1804
		1805	tmp->stats.food += dam; /* more damage, longer poisoning */
		1806
		1807	if (op->type == PLAYER)
		1808	{
		1809	/* player looses stats, maximum is -10 of each */
		1810	tmp->stats.Con = MAX (-(dam / 4 + 1), -10);
		1811	tmp->stats.Str = MAX (-(dam / 3 + 2), -10);
		1812	tmp->stats.Dex = MAX (-(dam / 6 + 1), -10);
		1813	tmp->stats.Int = MAX (-dam / 7, -10);
		1814	SET_FLAG (tmp, FLAG_APPLIED);
		1815	op->update_stats ();
		1816	new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very ill.");
		1817	op->play_sound (tmp->sound);
		1818	}
		1819
		1820	if (hitter->type == PLAYER)
		1821	new_draw_info_format (NDI_UNIQUE, 0, hitter, "You poison %s.", &op->name);
		1822	else if (hitter->owner != NULL && hitter->owner->type == PLAYER)
		1823	new_draw_info_format (NDI_UNIQUE, 0, hitter->owner, "Your %s poisons %s.", &hitter->name, &op->name);
		1824	}
		1825
		1826	tmp->speed_left = 0;
		1827	}
		1828	else
		1829	tmp->stats.food++;
		1830	}
		1831
		1832	void
		1833	slow_player (object *op, object *hitter, int dam)
		1834	{
		1835	archetype *at = archetype::find ("slowness");
		1836	object *tmp;
		1837
		1838	if (at == NULL)
		1839	LOG (llevError, "Can't find slowness archetype.\n");
		1840
		1841	if ((tmp = present_arch_in_ob (at, op)) == NULL)
		1842	{
		1843	tmp = arch_to_object (at);
		1844	tmp = insert_ob_in_ob (tmp, op);
		1845	new_draw_info (NDI_UNIQUE, 0, op, "The world suddenly moves very fast!");
		1846	}
		1847	else
		1848	tmp->stats.food++;
		1849
1052	SET_FLAG (target, FLAG_SCARED);	1850	SET_FLAG (tmp, FLAG_APPLIED);
1053	if (!target->enemy)	1851	tmp->speed_left = 0;
1054	target->enemy = owner;	1852	op->update_stats ();
		1853	}
		1854
		1855	void
		1856	confuse_player (object *op, object *hitter, int dam)
		1857	{
		1858	object *tmp;
		1859	int maxduration;
		1860
		1861	tmp = present_in_ob_by_name (FORCE, "confusion", op);
		1862	if (!tmp)
		1863	{
		1864	tmp = get_archetype (FORCE_NAME);
		1865	tmp = insert_ob_in_ob (tmp, op);
		1866	}
		1867
		1868	/* Duration added per hit and max. duration of confusion both depend
		1869	* on the player's resistance
		1870	*/
		1871	tmp->speed = 0.05;
		1872	tmp->subtype = FORCE_CONFUSION;
		1873	tmp->duration = 8 + MAX (1, 5 * (100 - op->resist[ATNR_CONFUSION]) / 100);
		1874	tmp->name = "confusion";
		1875	maxduration = MAX (2, 30 * (100 - op->resist[ATNR_CONFUSION]) / 100);
		1876
		1877	if (tmp->duration > maxduration)
		1878	tmp->duration = maxduration;
		1879
		1880	if (op->type == PLAYER && !QUERY_FLAG (op, FLAG_CONFUSED))
		1881	new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very confused!");
		1882
		1883	SET_FLAG (op, FLAG_CONFUSED);
		1884	}
		1885
		1886	void
		1887	blind_player (object *op, object *hitter, int dam)
		1888	{
		1889	object *tmp, *owner;
		1890
		1891	/* Save some work if we know it isn't going to affect the player */
		1892	if (op->resist[ATNR_BLIND] == 100)
		1893	return;
		1894
		1895	tmp = present_in_ob (BLINDNESS, op);
		1896	if (!tmp)
		1897	{
		1898	tmp = get_archetype ("blindness");
		1899	SET_FLAG (tmp, FLAG_BLIND);
		1900	SET_FLAG (tmp, FLAG_APPLIED);
		1901	/* use floats so we don't lose too much precision due to rounding errors.
		1902	* speed is a float anyways.
		1903	*/
		1904	tmp->speed = tmp->speed * (100.0 - (float) op->resist[ATNR_BLIND]) / 100;
		1905
		1906	tmp = insert_ob_in_ob (tmp, op);
		1907	change_abil (op, tmp); /* Mostly to display any messages */
		1908	op->update_stats (); /* This takes care of some other stuff */
		1909
		1910	if (hitter->owner)
		1911	owner = hitter->owner;
		1912	else
		1913	owner = hitter;
		1914
		1915	new_draw_info_format (NDI_UNIQUE, 0, owner, "Your attack blinds %s!", query_name (op));
		1916	}
		1917	tmp->stats.food += dam;
		1918	if (tmp->stats.food > 10)
		1919	tmp->stats.food = 10;
		1920	}
		1921
		1922	void
		1923	paralyze_player (object *op, object *hitter, int dam)
		1924	{
		1925	float effect, max;
		1926
		1927	/* object *tmp; */
		1928
		1929	/* This is strange stuff... someone knows for what this is
		1930	* written? Well, i think this can and should be removed
		1931	*/
		1932
		1933	/*
		1934	if((tmp=present(PARAIMAGE,op->map,op->x,op->y))==NULL) {
		1935	tmp=clone_arch(PARAIMAGE);
		1936	tmp->x=op->x,tmp->y=op->y;
		1937	insert_ob_in_map(tmp,op->map,tmp,INS_NO_MERGE | INS_NO_WALK_ON);
		1938	}
		1939	*/
		1940
		1941	/* Do this as a float - otherwise, rounding might very well reduce this to 0 */
		1942	effect = (float) dam *3.0 * (100.0 - op->resist[ATNR_PARALYZE]) / 100;
		1943
		1944	if (effect == 0)
		1945	return;
		1946
		1947	op->speed_left -= FABS (op->speed) * effect;
		1948	/* tmp->stats.food+=(signed short) effect/op->speed; */
		1949
		1950	/* max number of ticks to be affected for. */
		1951	max = (100 - op->resist[ATNR_PARALYZE]) / 2;
		1952	if (op->speed_left < -(FABS (op->speed) * max))
		1953	op->speed_left = (float) -(FABS (op->speed) * max);
		1954
		1955	/* tmp->stats.food = (signed short) (max/FABS(op->speed)); */
		1956	}
		1957
		1958	/* Attempts to kill 'op'. hitter is the attack object, dam is
		1959	* the computed damaged.
		1960	*/
		1961	void
		1962	deathstrike_player (object *op, object *hitter, int *dam)
		1963	{
		1964	/* The intention of a death attack is to kill outright things
		1965	** that are a lot weaker than the attacker, have a chance of killing
		1966	** things somewhat weaker than the caster, and no chance of
		1967	** killing something equal or stronger than the attacker.
		1968	** Also, if a deathstrike attack has a slaying, any monster
		1969	** whose name or race matches a comma-delimited list in the slaying
		1970	** field of the deathstriking object */
		1971
		1972	int atk_lev, def_lev, kill_lev;
		1973
		1974	if (hitter->slaying)
		1975	if (!((QUERY_FLAG (op, FLAG_UNDEAD) && hitter->slaying.contains (shstr_undead))
		1976	|| (op->race && hitter->slaying.contains (op->race))))
		1977	return;
		1978
		1979	def_lev = op->level;
		1980	if (def_lev < 1)
		1981	{
		1982	LOG (llevError, "BUG: arch %s with level < 1 (%s)\n", &op->arch->archname, op->debug_desc ());
		1983	def_lev = 1;
		1984	}
		1985
		1986	atk_lev = (hitter->chosen_skill ? hitter->chosen_skill->level : hitter->level) / 2;
		1987	/* LOG(llevDebug,"Deathstrike - attack level %d, defender level %d\n",
		1988	atk_lev, def_lev); */
		1989
		1990	if (atk_lev >= def_lev)
		1991	{
		1992	kill_lev = random_roll (0, atk_lev - 1, hitter, PREFER_HIGH);
		1993
		1994	/* Note that the below effectively means the ratio of the atk vs
		1995	* defener level is important - if level 52 character has very little
		1996	* chance of killing a level 50 monster. This should probably be
		1997	* redone.
		1998	*/
		1999	if (kill_lev >= def_lev)
		2000	{
		2001	*dam = op->stats.hp + 10; /* take all hp. they can still save for 1/2 */
		2002	/* I think this doesn't really do much. Because of
		2003	* integer rounding, this only makes any difference if the
		2004	* attack level is double the defender level.
		2005	*/
		2006	*dam *= kill_lev / def_lev;
		2007	}
		2008	}
		2009	else
		2010	*dam = 0; /* no harm done */
1055	}	2011	}
1056		2012
1057	/* This returns the amount of damage hitter does to op with the	2013	/* This returns the amount of damage hitter does to op with the
1058	* appropriate attacktype. Only 1 attacktype should be set at a time.	2014	* appropriate attacktype. Only 1 attacktype should be set at a time.
1059	* This doesn't damage the player, but returns how much it should	2015	* This doesn't damage the player, but returns how much it should
…		…
1084	if (attacknum == ATNR_INTERNAL)	2040	if (attacknum == ATNR_INTERNAL)
1085	return dam;	2041	return dam;
1086		2042
1087	if (hitter->slaying)	2043	if (hitter->slaying)
1088	{	2044	{
1089	if ((op->race && strstr (hitter->slaying, op->race))	2045	if ((op->race && hitter->slaying.contains (op->race))
1090	|| (op->arch && op->arch->archname && strstr (op->arch->archname, hitter->slaying)))	2046	|| (op->arch && op->arch->archname.contains (hitter->slaying)))
1091	{	2047	{
1092	doesnt_slay = 0;	2048	doesnt_slay = 0;
1093	dam *= 3;	2049	dam *= 3;
1094	}	2050	}
1095	}	2051	}
…		…
1208		2164
1209	/* High damage acid has better chance of corroding	2165	/* High damage acid has better chance of corroding
1210	objects */	2166	objects */
1211	if (rndm (0, dam + 4) > random_roll (0, 39, op, PREFER_HIGH) + 2 * tmp->magic)	2167	if (rndm (0, dam + 4) > random_roll (0, 39, op, PREFER_HIGH) + 2 * tmp->magic)
1212	{	2168	{
1213	if (op->type == PLAYER)
1214	/* Make this more visible */
1215	new_draw_info_format (NDI_UNIQUE | NDI_RED, 0, op,
1216	"The %s's acid corrodes your %s!", query_name (hitter), query_name (tmp));
1217	flag = 1;	2169	flag = 1;
1218	tmp->magic--;	2170	tmp->magic--;
1219	if (op->type == PLAYER)	2171
1220	esrv_send_item (op, tmp);	2172	if (object *pl = tmp->visible_to ())
		2173	{
		2174	/* Make this more visible */
		2175	new_draw_info_format (NDI_UNIQUE | NDI_RED, 0, pl,
		2176	"The %s's acid corrodes your %s!", query_name (hitter), query_name (tmp));
		2177
		2178	esrv_send_item (op, tmp); //TODO: UPD_NAME should be enough (it's enough in other cases)
		2179	}
1221	}	2180	}
1222	}	2181	}
1223		2182
1224	if (flag)	2183	if (flag)
1225	op->update_stats (); /* Something was corroded */	2184	op->update_stats (); /* Something was corroded */
…		…
1294	object *god = find_god (determine_god (owner));	2253	object *god = find_god (determine_god (owner));
1295	int div = 1;	2254	int div = 1;
1296		2255
1297	/* if undead are not an enemy of your god, you turn them	2256	/* if undead are not an enemy of your god, you turn them
1298	* at half strength */	2257	* at half strength */
1299	if (!god || !god->slaying || strstr (god->slaying, shstr_undead) == NULL)	2258	if (!god || !god->slaying.contains (shstr_undead))
1300	div = 2;	2259	div = 2;
1301		2260
1302	/* Give a bonus if you resist turn undead */	2261	/* Give a bonus if you resist turn undead */
1303	if (op->level * div < (turn_bonus[owner->stats.Wis] + owner->level + (op->resist[ATNR_TURN_UNDEAD] / 100)))	2262	if (op->level * div < (turn_bonus[owner->stats.Wis] + owner->level + (op->resist[ATNR_TURN_UNDEAD] / 100)))
1304	scare_creature (op, owner);	2263	scare_creature (op, owner);
…		…
1376	}	2335	}
1377		2336
1378	return dam;	2337	return dam;
1379	}	2338	}
1380		2339
1381	/* GROS: This code comes from hit_player. It has been made external to
1382	* allow script procedures to "kill" objects in a combat-like fashion.
1383	* It was initially used by (kill-object) developed for the Collector's
1384	* Sword. Note that nothing has been changed from the original version
1385	* of the following code.
1386	* op is what is being killed.
1387	* dam is the damage done to it.
1388	* hitter is what is hitting it.
1389	* type is the attacktype.
1390	*
1391	* This function was a bit of a mess with hitter getting changed,
1392	* values being stored away but not used, etc. I've cleaned it up
1393	* a bit - I think it should be functionally equivalant.
1394	* MSW 2002-07-17
1395	*/
1396	int
1397	kill_object (object *op, int dam, object *hitter, int type)
1398	{
1399	char buf[MAX_BUF];
1400	const char *skill;
1401	int maxdam = 0;
1402	int battleg = 0; /* true if op standing on battleground */
1403	int pk = 0; /* true if op and what controls hitter are both players */
1404	object *owner = 0;
1405	object *skop = 0;
1406
1407	if (op->stats.hp >= 0)
1408	return -1;
1409
1410	if (INVOKE_OBJECT (KILL, op, ARG_OBJECT (hitter)))
1411	return 0;
1412
1413	/* maxdam needs to be the amount of damage it took to kill
1414	* this creature. The function(s) that call us have already
1415	* adjusted the creatures HP total, so that is negative.
1416	*/
1417	maxdam = dam + op->stats.hp + 1;
1418
1419	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW))
1420	update_all_los (op->map, op->x, op->y); /* makes sure los will be recalculated */
1421
1422	if (op->type == DOOR)
1423	{
1424	op->set_speed (0.1f);
1425	op->speed_left = -0.05f;
1426	return maxdam;
1427	}
1428
1429	if (QUERY_FLAG (op, FLAG_FRIENDLY) && op->type != PLAYER)
1430	{
1431	op->destroy ();
1432	return maxdam;
1433	}
1434
1435	/* Now lets start dealing with experience we get for killing something */
1436
1437	owner = hitter->owner;
1438	if (!owner)
1439	owner = hitter;
1440
1441	/* is the victim (op) standing on battleground? */
1442	if (op_on_battleground (op, NULL, NULL))
1443	battleg = 1;
1444
1445	/* is this player killing? */
1446	if (op->type == PLAYER && owner->type == PLAYER)
1447	pk = 1;
1448
1449	/* Player killed something */
1450	if (owner->type == PLAYER)
1451	{
1452	Log_Kill (owner->name,
1453	query_name (op), op->type, (owner != hitter) ? query_name (hitter) : NULL, (owner != hitter) ? hitter->type : 0);
1454
1455	/* Log players killing other players - makes it easier to detect
1456	* and filter out malicious player killers - that is why the
1457	* ip address is included.
1458	*/
1459	if (op->type == PLAYER && !battleg)
1460	{
1461	time_t t = time (NULL);
1462	struct tm *tmv;
1463	char buf[256];
1464
1465	tmv = localtime (&t);
1466	strftime (buf, 256, "%a %b %d %H:%M:%S %Y", tmv);
1467
1468	LOG (llevInfo, "%s PLAYER_KILL_PLAYER: %s (%s) killed %s\n", buf, &owner->name, owner->contr->ns->host, query_name (op));
1469	}
1470
1471	/* try to filter some things out - basically, if you are
1472	* killing a level 1 creature and your level 20, you
1473	* probably don't want to see that.
1474	*/
1475	if (owner->level < op->level * 2 || op->stats.exp > 1000)
1476	{
1477	if (owner != hitter)
1478	new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s with %s.", query_name (op), query_name (hitter));
1479	else
1480	new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s.", query_name (op));
1481
1482	/* Only play sounds for melee kills */
1483	if (hitter->type == PLAYER)
1484	owner->play_sound (sound_find ("player_kills"));
1485	}
1486
1487	/* If a player kills another player, not on
1488	* battleground, the "killer" looses 1 luck. Since this is
1489	* not reversible, it's actually quite a pain IMHO. -AV
1490	* Fix bug in that we were changing the luck of the hitter, not
1491	* player that the object belonged to - so if you killed another player
1492	* with spells, pets, whatever, there was no penalty.
1493	* Changed to make luck penalty configurable in settings.
1494	*/
1495	if (op->type == PLAYER && owner != op && !battleg)
1496	owner->change_luck (-settings.pk_luck_penalty);
1497
1498	/* This code below deals with finding the appropriate skill
1499	* to credit exp to. This is a bit problematic - we should
1500	* probably never really have to look at current_weapon->skill
1501	*/
1502	skill = 0;
1503
1504	if (hitter->skill && hitter->type != PLAYER)
1505	skill = hitter->skill;
1506	else if (owner->chosen_skill)
1507	{
1508	skop = owner->chosen_skill;
1509	skill = skop->skill;
1510	}
1511	else if (QUERY_FLAG (owner, FLAG_READY_WEAPON))
1512	skill = owner->current_weapon->skill;
1513	else
1514	LOG (llevError, "kill_object - unable to find skill that killed monster\n");
1515
1516	/* We have the skill we want to credit to - now find the object this goes
1517	* to. Make sure skop is an actual skill, and not a skill tool!
1518	*/
1519	if ((!skop || skop->type != SKILL) && skill)
1520	{
1521	int i;
1522
1523	for (i = 0; i < NUM_SKILLS; i++)
1524	if (owner->contr->last_skill_ob[i] && !strcmp (owner->contr->last_skill_ob[i]->skill, skill))
1525	{
1526	skop = owner->contr->last_skill_ob[i];
1527	break;
1528	}
1529	}
1530	} /* Was it a player that hit somethign */
1531	else
1532	skill = 0;
1533
1534	/* Pet (or spell) killed something. */
1535	if (owner != hitter)
1536	sprintf (buf, "%s killed %s with %s%s%s.", &owner->name,
1537	query_name (op), query_name (hitter), battleg ? " (duel)" : "", pk ? " (pk)" : "");
1538	else
1539	sprintf (buf, "%s killed %s%s%s%s.", &hitter->name, &op->name,
1540	(QUERY_FLAG (hitter, FLAG_MONSTER)) || hitter->type == PLAYER ?
1541	" in hand to hand combat" : "", battleg ? " (duel)" : "", pk ? " (pk)" : "");
1542
1543	/* These may have been set in the player code section above */
1544	if (!skop)
1545	skop = hitter->chosen_skill;
1546
1547	if (!skill && skop)
1548	skill = skop->skill;
1549
1550	new_draw_info (NDI_ALL, op->type == PLAYER ? 1 : 10, NULL, buf);
1551
1552	/* If you didn't kill yourself, and your not the wizard */
1553	if (owner != op && !QUERY_FLAG (op, FLAG_WIZ))
1554	{
1555	int exp;
1556
1557	/* Really don't give much experience for killing other players */
1558	// schmorp: temporarily? reduce the amount of exp gained for pking enourmously
1559	if (op->type == PLAYER)
1560	{
1561	if (battleg)
1562	{
1563	new_draw_info (NDI_UNIQUE, 0, owner, "Your foe has fallen!");
1564	new_draw_info (NDI_UNIQUE, 0, owner, "VICTORY!!!");
1565	}
1566	else
1567	exp = op->stats.exp / 1000;
1568	}
1569	else
1570	exp = calc_skill_exp (owner, op, skop);
1571
1572	/* if op is standing on "battleground" (arena), no way to gain
1573	* exp by killing him
1574	*/
1575	if (battleg)
1576	exp = 0;
1577
1578	/* Don't know why this is set this way - doesn't make
1579	* sense to just divide everything by two for no reason.
1580	*/
1581
1582	if (!settings.simple_exp)
1583	exp = exp / 2;
1584
1585	if (owner->type != PLAYER || owner->contr->party == NULL)
1586	change_exp (owner, exp, skill, 0);
1587	else
1588	{
1589	int shares = 0, count = 0;
1590	partylist *party = owner->contr->party;
1591
1592	add_kill_to_party (party, query_name (owner), query_name (op), exp);
1593
1594	for_all_players (pl)
1595	if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1596	{
1597	count++;
1598	shares += (pl->ob->level + 4);
1599	}
1600
1601	if (count == 1 || shares > exp || !shares)
1602	change_exp (owner, exp, skill, SK_EXP_TOTAL);
1603	else
1604	{
1605	int share = exp / shares, given = 0, nexp;
1606
1607	for_all_players (pl)
1608	if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1609	{
1610	nexp = (pl->ob->level + 4) * share;
1611	change_exp (pl->ob, nexp, skill, SK_EXP_TOTAL);
1612	given += nexp;
1613	}
1614
1615	exp -= given;
1616	/* give any remainder to the player */
1617	change_exp (owner, exp, skill, SK_EXP_ADD_SKILL);
1618	}
1619	} /* else part of a party */
1620	} /* end if person didn't kill himself */
1621
1622	if (op->type != PLAYER)
1623	{
1624	if (QUERY_FLAG (op, FLAG_FRIENDLY))
1625	{
1626	object *owner1 = op->owner;
1627
1628	if (owner1 && owner1->type == PLAYER)
1629	{
1630	owner1->contr->play_sound (sound_find ("pet_is_killed"));
1631	/* Maybe we should include the owner that killed this, maybe not */
1632	new_draw_info_format (NDI_UNIQUE, 0, owner1, "Your pet, the %s, is killed by %s.", &op->name, &hitter->name);
1633	}
1634
1635	remove_friendly_object (op);
1636	}
1637
1638	op->destroy ();
1639	}
1640	else
1641	{
1642	/* Player has been killed! */
1643	if (owner->type == PLAYER)
1644	snprintf (op->contr->killer, sizeof (op->contr->killer), "%s the %s", &owner->name, owner->contr->title);
1645	else
1646	assign (op->contr->killer, hitter->name);
1647	}
1648
1649	/* This was return -1 - that doesn't seem correct - if we return -1, process
1650	* continues in the calling function.
1651	*/
1652	return maxdam;
1653	}
1654
1655	/* Find out if this is friendly fire (PVP and attacker is peaceful) or not
1656	* Returns 0 this is not friendly fire
1657	*/
1658	int
1659	friendly_fire (object *op, object *hitter)
1660	{
1661	object *owner;
1662	int friendlyfire;
1663
1664	if (hitter->head)
1665	hitter = hitter->head;
1666
1667	friendlyfire = 0;
1668
1669	if (op->type == PLAYER)
1670	{
1671	if (op_on_battleground (hitter, 0, 0))
1672	return 0;
1673
1674	if (hitter->type == PLAYER && hitter->contr->peaceful == 1)
1675	return 1;
1676
1677	if ((owner = hitter->owner) != NULL)
1678	{
1679	if (owner->type == PLAYER && owner->contr->peaceful == 1)
1680	friendlyfire = 2;
1681	}
1682
1683	if (hitter->type == SPELL || hitter->type == POISONING || hitter->type == DISEASE || hitter->type == RUNE)
1684	friendlyfire = 0;
1685	}
1686
1687	return friendlyfire;
1688	}
1689
1690	/* This isn't used just for players, but in fact most objects.
1691	* op is the object to be hit, dam is the amount of damage, hitter
1692	* is what is hitting the object, type is the attacktype, and
1693	* full_hit is set if monster area does not matter.
1694	* dam is base damage - protections/vulnerabilities/slaying matches can
1695	* modify it.
1696	*/
1697	/* Oct 95 - altered the following slightly for MULTIPLE_GODS hack
1698	* which needs new attacktype AT_HOLYWORD to work . b.t. */
1699	int
1700	hit_player (object *op, int dam, object *hitter, int type, int full_hit)
1701	{
1702	int maxdam = 0, ndam = 0, attacktype = 1, magic = (type & AT_MAGIC);
1703	int maxattacktype, attacknum;
1704	int body_attack = op && op->head; /* Did we hit op's head? */
1705	int simple_attack;
1706	int rtn_kill = 0;
1707	int friendlyfire;
1708
1709	if (get_attack_mode (&op, &hitter, &simple_attack))
1710	return 0;
1711
1712	/* very simple: if our target has no_damage 1 set or is wiz, we can't hurt him */
1713	if (QUERY_FLAG (op, FLAG_WIZ) || QUERY_FLAG (op, FLAG_NO_DAMAGE))
1714	return 0;
1715
1716	// only allow pk for hostile players
1717	if (op->type == PLAYER)
1718	{
1719	object *owner = hitter->owner;
1720
1721	if (!owner)
1722	owner = hitter;
1723
1724	if (owner->type == PLAYER
1725	&& (!op_on_battleground (op, 0, 0)
1726	&& (op->contr->peaceful || owner->contr->peaceful))
1727	&& op != owner)
1728	return 0;
1729	}
1730
1731	if (body_attack)
1732	{
1733	/* slow and paralyze must hit the head. But we don't want to just
1734	* return - we still need to process other attacks the spell still
1735	* might have. So just remove the paralyze and slow attacktypes,
1736	* and keep on processing if we have other attacktypes.
1737	* return if only magic or nothing is left - under normal code
1738	* we don't attack with pure magic if there is another attacktype.
1739	* Only do processing if the initial attacktype includes one of those
1740	* attack so we don't cancel out things like magic bullet.
1741	*/
1742	if (type & (AT_PARALYZE | AT_SLOW))
1743	{
1744	type &= ~(AT_PARALYZE | AT_SLOW);
1745
1746	if (!type || type == AT_MAGIC)
1747	return 0;
1748	}
1749	}
1750
1751	if (!simple_attack && op->type == DOOR)
1752	{
1753	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1754	if (tmp->type == RUNE || tmp->type == TRAP)
1755	{
1756	spring_trap (tmp, hitter);
1757
1758	if (hitter->destroyed () || op->destroyed () || abort_attack (op, hitter, simple_attack))
1759	return 0;
1760
1761	break;
1762	}
1763	}
1764
1765	if (!QUERY_FLAG (op, FLAG_ALIVE) || op->stats.hp < 0)
1766	{
1767	/* FIXME: If a player is killed by a rune in a door, the
1768	* destroyed() check above doesn't return, and might get here.
1769	*/
1770
1771	/* FIXME: This for example happens when a dead door is on a mover and
1772	gets it's speed_left raised on each mover-tick.
1773	Doors are removed in a kinda funny way by giving them speed and speed_left
1774	and waiting for that to run out.
1775	*/
1776	LOG (llevDebug, "victim %s (%d) already dead in hit_player()\n", op->debug_desc (), op->stats.hp);
1777	return 0;
1778	}
1779
1780	#ifdef ATTACK_DEBUG
1781	LOG (llevDebug, "hit player: attacktype %d, dam %d\n", type, dam);
1782	#endif
1783
1784	if (magic)
1785	{
1786	/* basically: dam = dam*(100-op->resist[attacknum])/100;
1787	* in case 0>dam>1, we try to "simulate" a float value-effect */
1788	dam = dam * (100 - op->resist[ATNR_MAGIC]);
1789	if (dam >= 100)
1790	dam /= 100;
1791	else
1792	dam = (dam > rndm (0, 99)) ? 1 : 0;
1793	}
1794
1795	/* AT_CHAOS here is a weapon or monster. Spells are handled by hit_map
1796	* If the attacktype still has chaos, shuffle it, then clear the Chaos bit
1797	*/
1798	if (type & AT_CHAOS)
1799	{
1800	shuffle_attack (op, 0); /*0 flag tells it to not change the face */
1801	update_object (op, UP_OBJ_FACE);
1802	type &= ~AT_CHAOS;
1803	}
1804
1805	/* Holyword is really an attacktype modifier (like magic is). If
1806	* holyword is part of an attacktype, then make sure the creature is
1807	* a proper match, otherwise no damage.
1808	*/
1809	if (type & AT_HOLYWORD)
1810	{
1811	object *god;
1812
1813	if ((!hitter->slaying ||
1814	(!(op->race && strstr (hitter->slaying, op->race)) &&
1815	!(op->name && strstr (hitter->slaying, op->name)))) &&
1816	(!QUERY_FLAG (op, FLAG_UNDEAD) ||
1817	(hitter->title != NULL
1818	&& (god = find_god (determine_god (hitter))) != NULL && god->race != NULL && strstr (god->race, shstr_undead) != NULL)))
1819	return 0;
1820	}
1821
1822	maxattacktype = type; /* initialise this to something */
1823	for (attacknum = 0; attacknum < NROFATTACKS; attacknum++, attacktype = 1 << attacknum)
1824	{
1825	/* Magic isn't really a true attack type - it gets combined with other
1826	* attack types. As such, skip it over. However, if magic is
1827	* the only attacktype in the group, then still attack with it
1828	*/
1829	if ((attacktype == AT_MAGIC) && (type & ~AT_MAGIC))
1830	continue;
1831
1832	/* Go through and hit the player with each attacktype, one by one.
1833	* hit_player_attacktype only figures out the damage, doesn't inflict
1834	* it. It will do the appropriate action for attacktypes with
1835	* effects (slow, paralization, etc.
1836	*/
1837	if (type & attacktype)
1838	{
1839	ndam = hit_player_attacktype (op, hitter, dam, attacknum, magic);
1840	/* the >= causes us to prefer messages from special attacks, if
1841	* the damage is equal.
1842	*/
1843	if (ndam >= maxdam)
1844	{
1845	maxdam = ndam;
1846	maxattacktype = 1 << attacknum;
1847	}
1848	}
1849	}
1850
1851	/* if this is friendly fire then do a set % of damage only
1852	* Note - put a check in to make sure this attack is actually
1853	* doing damage - otherwise, the +1 in the code below will make
1854	* an attack do damage before when it otherwise didn't
1855	*/
1856	friendlyfire = friendly_fire (op, hitter);
1857	if (friendlyfire && maxdam)
1858	{
1859	maxdam = ((dam * settings.set_friendly_fire) / 100);
1860
1861	#ifdef ATTACK_DEBUG
1862	LOG (llevDebug, "Friendly fire (type:%d setting: %d%) did %d damage dropped to %d\n",
1863	friendlyfire, settings.set_friendly_fire, dam, maxdam);
1864	#endif
1865	}
1866
1867	if (!full_hit)
1868	{
1869	int area;
1870	int remainder;
1871
1872	area = 0;
1873
1874	for (archetype *at = op->arch; at; at = (archetype *)at->more)
1875	area++;
1876
1877	assert (area > 0);
1878
1879	/* basically: maxdam /= area; we try to "simulate" a float
1880	value-effect */
1881	remainder = 100 * (maxdam % area) / area;
1882	maxdam /= area;
1883	if (rndm (100) < remainder)
1884	maxdam++;
1885	}
1886
1887	#ifdef ATTACK_DEBUG
1888	LOG (llevDebug, "Attacktype %d did %d damage\n", type, maxdam);
1889	#endif
1890
1891	// for now, only do this for active objects, otherwise they
1892	// keep a refcount for a long time and I see no usefulness
1893	// for an non-active objetc to know its enemy.
1894	if (op->active)
1895	if (hitter->owner)
1896	op->enemy = hitter->owner;
1897	else if (QUERY_FLAG (hitter, FLAG_ALIVE))
1898	op->enemy = hitter;
1899
1900	if (QUERY_FLAG (op, FLAG_UNAGGRESSIVE) && op->type != PLAYER)
1901	{
1902	/* The unaggressives look after themselves 8) */
1903	CLEAR_FLAG (op, FLAG_UNAGGRESSIVE);
1904	npc_call_help (op);
1905	}
1906
1907	if (magic && did_make_save (op, op->level, 0))
1908	maxdam = maxdam / 2;
1909
1910	attack_message (maxdam, maxattacktype, op, hitter);
1911
1912	op->stats.hp -= maxdam;
1913
1914	/* Eneq(@csd.uu.se): Check to see if monster runs away. */
1915	if ((op->stats.hp >= 0) &&
1916	(QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER) &&
1917	op->stats.hp < (signed short) (((float) op->run_away / (float) 100) * (float) op->stats.maxhp))
1918	{
1919
1920	if (QUERY_FLAG (op, FLAG_MONSTER))
1921	SET_FLAG (op, FLAG_RUN_AWAY);
1922	else
1923	scare_creature (op, hitter);
1924	}
1925
1926	if (QUERY_FLAG (op, FLAG_TEAR_DOWN))
1927	{
1928	if (maxdam)
1929	tear_down_wall (op);
1930
1931	return maxdam; /* nothing more to do for wall */
1932	}
1933
1934	/* See if the creature has been killed */
1935	rtn_kill = kill_object (op, maxdam, hitter, type);
1936	if (rtn_kill != -1)
1937	return rtn_kill;
1938
1939
1940	/* Used to be ghosthit removal - we now use the ONE_HIT flag. Note
1941	* that before if the player was immune to ghosthit, the monster
1942	* remained - that is no longer the case.
1943	*/
1944	if (QUERY_FLAG (hitter, FLAG_ONE_HIT))
1945	hitter->destroy ();
1946
1947	/* Lets handle creatures that are splitting now */
1948	else if (type & AT_PHYSICAL && !QUERY_FLAG (op, FLAG_FREED) && QUERY_FLAG (op, FLAG_SPLITTING))
1949	{
1950	int i;
1951	int friendly = QUERY_FLAG (op, FLAG_FRIENDLY);
1952	int unaggressive = QUERY_FLAG (op, FLAG_UNAGGRESSIVE);
1953	object *owner = op->owner;
1954
1955	if (!op->other_arch)
1956	{
1957	LOG (llevError, "SPLITTING without other_arch error.\n");
1958	return maxdam;
1959	}
1960
1961	op->remove ();
1962
1963	for (i = 0; i < NROFNEWOBJS (op); i++)
1964	{ /* This doesn't handle op->more yet */
1965	object *tmp = arch_to_object (op->other_arch);
1966	int j;
1967
1968	tmp->stats.hp = op->stats.hp;
1969
1970	if (friendly)
1971	{
1972	add_friendly_object (tmp);
1973	tmp->attack_movement = PETMOVE;
1974
1975	if (owner)
1976	tmp->set_owner (owner);
1977	}
1978
1979	if (unaggressive)
1980	SET_FLAG (tmp, FLAG_UNAGGRESSIVE);
1981
1982	j = find_first_free_spot (tmp, op->map, op->x, op->y);
1983
1984	if (j == -1) /* No spot to put this monster */
1985	tmp->destroy ();
1986	else
1987	{
1988	tmp->x = op->x + freearr_x[j], tmp->y = op->y + freearr_y[j];
1989	insert_ob_in_map (tmp, op->map, NULL, 0);
1990	}
1991	}
1992
1993	op->destroy ();
1994	}
1995	else if (type & AT_DRAIN && hitter->type == GRIMREAPER && hitter->value++ > 10)
1996	hitter->destroy ();
1997
1998	return maxdam;
1999	}
2000
2001	void
2002	poison_player (object *op, object *hitter, int dam)
2003	{
2004	archetype *at = archetype::find ("poisoning");
2005	object *tmp = present_arch_in_ob (at, op);
2006
2007	if (tmp == NULL)
2008	{
2009	if ((tmp = arch_to_object (at)) == NULL)
2010	LOG (llevError, "Failed to clone arch poisoning.\n");
2011	else
2012	{
2013	tmp = insert_ob_in_ob (tmp, op);
2014	/* peterm: give poisoning some teeth. It should
2015	* be able to kill things better than it does:
2016	* damage should be dependent something--I choose to
2017	* do this: if it's a monster, the damage from the
2018	* poisoning goes as the level of the monster/2.
2019	* If anything else, goes as damage.
2020	*/
2021
2022	if (QUERY_FLAG (hitter, FLAG_ALIVE))
2023	tmp->stats.dam += hitter->level / 2;
2024	else
2025	tmp->stats.dam = dam;
2026
2027	tmp->set_owner (hitter); /* so we get credit for poisoning kills */
2028	if (hitter->skill && hitter->skill != tmp->skill)
2029	{
2030	tmp->skill = hitter->skill;
2031	}
2032
2033	tmp->stats.food += dam; /* more damage, longer poisoning */
2034
2035	if (op->type == PLAYER)
2036	{
2037	/* player looses stats, maximum is -10 of each */
2038	tmp->stats.Con = MAX (-(dam / 4 + 1), -10);
2039	tmp->stats.Str = MAX (-(dam / 3 + 2), -10);
2040	tmp->stats.Dex = MAX (-(dam / 6 + 1), -10);
2041	tmp->stats.Int = MAX (-dam / 7, -10);
2042	SET_FLAG (tmp, FLAG_APPLIED);
2043	op->update_stats ();
2044	new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very ill.");
2045	op->play_sound (tmp->sound);
2046	}
2047
2048	if (hitter->type == PLAYER)
2049	new_draw_info_format (NDI_UNIQUE, 0, hitter, "You poison %s.", &op->name);
2050	else if (hitter->owner != NULL && hitter->owner->type == PLAYER)
2051	new_draw_info_format (NDI_UNIQUE, 0, hitter->owner, "Your %s poisons %s.", &hitter->name, &op->name);
2052	}
2053
2054	tmp->speed_left = 0;
2055	}
2056	else
2057	tmp->stats.food++;
2058	}
2059
2060	void
2061	slow_player (object *op, object *hitter, int dam)
2062	{
2063	archetype *at = archetype::find ("slowness");
2064	object *tmp;
2065
2066	if (at == NULL)
2067	LOG (llevError, "Can't find slowness archetype.\n");
2068
2069	if ((tmp = present_arch_in_ob (at, op)) == NULL)
2070	{
2071	tmp = arch_to_object (at);
2072	tmp = insert_ob_in_ob (tmp, op);
2073	new_draw_info (NDI_UNIQUE, 0, op, "The world suddenly moves very fast!");
2074	}
2075	else
2076	tmp->stats.food++;
2077
2078	SET_FLAG (tmp, FLAG_APPLIED);
2079	tmp->speed_left = 0;
2080	op->update_stats ();
2081	}
2082
2083	void
2084	confuse_player (object *op, object *hitter, int dam)
2085	{
2086	object *tmp;
2087	int maxduration;
2088
2089	tmp = present_in_ob_by_name (FORCE, "confusion", op);
2090	if (!tmp)
2091	{
2092	tmp = get_archetype (FORCE_NAME);
2093	tmp = insert_ob_in_ob (tmp, op);
2094	}
2095
2096	/* Duration added per hit and max. duration of confusion both depend
2097	* on the player's resistance
2098	*/
2099	tmp->speed = 0.05;
2100	tmp->subtype = FORCE_CONFUSION;
2101	tmp->duration = 8 + MAX (1, 5 * (100 - op->resist[ATNR_CONFUSION]) / 100);
2102	tmp->name = "confusion";
2103	maxduration = MAX (2, 30 * (100 - op->resist[ATNR_CONFUSION]) / 100);
2104
2105	if (tmp->duration > maxduration)
2106	tmp->duration = maxduration;
2107
2108	if (op->type == PLAYER && !QUERY_FLAG (op, FLAG_CONFUSED))
2109	new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very confused!");
2110
2111	SET_FLAG (op, FLAG_CONFUSED);
2112	}
2113
2114	void
2115	blind_player (object *op, object *hitter, int dam)
2116	{
2117	object *tmp, *owner;
2118
2119	/* Save some work if we know it isn't going to affect the player */
2120	if (op->resist[ATNR_BLIND] == 100)
2121	return;
2122
2123	tmp = present_in_ob (BLINDNESS, op);
2124	if (!tmp)
2125	{
2126	tmp = get_archetype ("blindness");
2127	SET_FLAG (tmp, FLAG_BLIND);
2128	SET_FLAG (tmp, FLAG_APPLIED);
2129	/* use floats so we don't lose too much precision due to rounding errors.
2130	* speed is a float anyways.
2131	*/
2132	tmp->speed = tmp->speed * (100.0 - (float) op->resist[ATNR_BLIND]) / 100;
2133
2134	tmp = insert_ob_in_ob (tmp, op);
2135	change_abil (op, tmp); /* Mostly to display any messages */
2136	op->update_stats (); /* This takes care of some other stuff */
2137
2138	if (hitter->owner)
2139	owner = hitter->owner;
2140	else
2141	owner = hitter;
2142
2143	new_draw_info_format (NDI_UNIQUE, 0, owner, "Your attack blinds %s!", query_name (op));
2144	}
2145	tmp->stats.food += dam;
2146	if (tmp->stats.food > 10)
2147	tmp->stats.food = 10;
2148	}
2149
2150	void
2151	paralyze_player (object *op, object *hitter, int dam)
2152	{
2153	float effect, max;
2154
2155	/* object *tmp; */
2156
2157	/* This is strange stuff... someone knows for what this is
2158	* written? Well, i think this can and should be removed
2159	*/
2160
2161	/*
2162	if((tmp=present(PARAIMAGE,op->map,op->x,op->y))==NULL) {
2163	tmp=clone_arch(PARAIMAGE);
2164	tmp->x=op->x,tmp->y=op->y;
2165	insert_ob_in_map(tmp,op->map,tmp,INS_NO_MERGE | INS_NO_WALK_ON);
2166	}
2167	*/
2168
2169	/* Do this as a float - otherwise, rounding might very well reduce this to 0 */
2170	effect = (float) dam *3.0 * (100.0 - op->resist[ATNR_PARALYZE]) / 100;
2171
2172	if (effect == 0)
2173	return;
2174
2175	op->speed_left -= FABS (op->speed) * effect;
2176	/* tmp->stats.food+=(signed short) effect/op->speed; */
2177
2178	/* max number of ticks to be affected for. */
2179	max = (100 - op->resist[ATNR_PARALYZE]) / 2;
2180	if (op->speed_left < -(FABS (op->speed) * max))
2181	op->speed_left = (float) -(FABS (op->speed) * max);
2182
2183	/* tmp->stats.food = (signed short) (max/FABS(op->speed)); */
2184	}
2185
2186	/* Attempts to kill 'op'. hitter is the attack object, dam is
2187	* the computed damaged.
2188	*/
2189	void
2190	deathstrike_player (object *op, object *hitter, int *dam)
2191	{
2192	/* The intention of a death attack is to kill outright things
2193	** that are a lot weaker than the attacker, have a chance of killing
2194	** things somewhat weaker than the caster, and no chance of
2195	** killing something equal or stronger than the attacker.
2196	** Also, if a deathstrike attack has a slaying, any monster
2197	** whose name or race matches a comma-delimited list in the slaying
2198	** field of the deathstriking object */
2199
2200	int atk_lev, def_lev, kill_lev;
2201
2202	if (hitter->slaying)
2203	if (!((QUERY_FLAG (op, FLAG_UNDEAD) && strstr (hitter->slaying, shstr_undead)) || (op->race && strstr (hitter->slaying, op->race))))
2204	return;
2205
2206	def_lev = op->level;
2207	if (def_lev < 1)
2208	{
2209	LOG (llevError, "BUG: arch %s, name %s with level < 1\n", &op->arch->archname, &op->name);
2210	def_lev = 1;
2211	}
2212
2213	atk_lev = (hitter->chosen_skill ? hitter->chosen_skill->level : hitter->level) / 2;
2214	/* LOG(llevDebug,"Deathstrike - attack level %d, defender level %d\n",
2215	atk_lev, def_lev); */
2216
2217	if (atk_lev >= def_lev)
2218	{
2219	kill_lev = random_roll (0, atk_lev - 1, hitter, PREFER_HIGH);
2220
2221	/* Note that the below effectively means the ratio of the atk vs
2222	* defener level is important - if level 52 character has very little
2223	* chance of killing a level 50 monster. This should probably be
2224	* redone.
2225	*/
2226	if (kill_lev >= def_lev)
2227	{
2228	*dam = op->stats.hp + 10; /* take all hp. they can still save for 1/2 */
2229	/* I think this doesn't really do much. Because of
2230	* integer rounding, this only makes any difference if the
2231	* attack level is double the defender level.
2232	*/
2233	*dam *= kill_lev / def_lev;
2234	}
2235	}
2236	else
2237	*dam = 0; /* no harm done */
2238	}
2239
2240	/* thrown_item_effect() - handles any special effects of thrown
2241	* items (like attacking living creatures--a potion thrown at a
2242	* monster).
2243	*/
2244	static void
2245	thrown_item_effect (object *hitter, object *victim)
2246	{
2247	if (!QUERY_FLAG (hitter, FLAG_ALIVE))
2248	{
2249	/* May not need a switch for just 2 types, but this makes it
2250	* easier for expansion.
2251	*/
2252	switch (hitter->type)
2253	{
2254	case POTION:
2255	/* should player get a save throw instead of checking magic protection? */
2256	if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_MAGIC] < 60))
2257	(void) apply_potion (victim, hitter);
2258	break;
2259
2260	case POISON: /* poison drinks */
2261	/* As with potions, should monster get a save? */
2262	if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_POISON] < 60))
2263	apply_poison (victim, hitter);
2264	break;
2265
2266	/* Removed case statements that did nothing.
2267	* food may be poisonous, but monster must be willing to eat it,
2268	* so we don't handle it here.
2269	* Containers should perhaps break open, but that code was disabled.
2270	*/
2271	}
2272	}
2273	}
2274
2275	/* adj_attackroll() - adjustments to attacks by various conditions */
2276	int
2277	adj_attackroll (object *hitter, object *target)
2278	{
2279	object *attacker = hitter;
2280	int adjust = 0;
2281
2282	/* safety */
2283	if (!target || !hitter || !hitter->map || !target->map || !on_same_map (hitter, target))
2284	{
2285	LOG (llevError, "BUG: adj_attackroll(): hitter and target not on same " "map\n");
2286	return 0;
2287	}
2288
2289	/* aimed missiles use the owning object's sight */
2290	if (is_aimed_missile (hitter))
2291	{
2292	if ((attacker = hitter->owner) == NULL)
2293	attacker = hitter;
2294	/* A player who saves but hasn't quit still could have objects
2295	* owned by him - need to handle that case to avoid crashes.
2296	*/
2297	if (QUERY_FLAG (attacker, FLAG_REMOVED))
2298	attacker = hitter;
2299	}
2300	else if (!QUERY_FLAG (hitter, FLAG_ALIVE))
2301	return 0;
2302
2303	/* determine the condtions under which we make an attack.
2304	* Add more cases, as the need occurs. */
2305
2306	if (!can_see_enemy (attacker, target))
2307	{
2308	/* target is unseen */
2309	if (target->invisible || QUERY_FLAG (attacker, FLAG_BLIND))
2310	adjust -= 10;
2311	/* dark map penalty for the hitter (lacks infravision if we got here). */
2312	else if (target->map && target->map->darkness > 0 && !stand_in_light (target))
2313	adjust -= target->map->darkness;
2314	}
2315
2316	if (QUERY_FLAG (attacker, FLAG_SCARED))
2317	adjust -= 3;
2318
2319	if (QUERY_FLAG (target, FLAG_UNAGGRESSIVE))
2320	adjust += 1;
2321
2322	if (QUERY_FLAG (target, FLAG_SCARED))
2323	adjust += 1;
2324
2325	if (QUERY_FLAG (attacker, FLAG_CONFUSED))
2326	adjust -= 3;
2327
2328	/* if we attack at a different 'altitude' its harder */
2329	if ((attacker->move_type & target->move_type) == 0)
2330	adjust -= 2;
2331
2332	#if 0
2333	/* slower attacks are less likely to succeed. We should use a
2334	* comparison between attacker/target speeds BUT, players have
2335	* a generally faster speed, so this will wind up being a HUGE
2336	* disadantage for the monsters! Too bad, because missiles which
2337	* fly fast should have a better chance of hitting a slower target.
2338	*/
2339	if (hitter->speed < target->speed)
2340	adjust += ((float) hitter->speed - target->speed);
2341	#endif
2342
2343	#if 0
2344	LOG (llevDebug, "adj_attackroll() returns %d (%d)\n", adjust, attacker->count);
2345	#endif
2346
2347	return adjust;
2348	}
2349
2350	/* determine if the object is an 'aimed' missile */
2351	int
2352	is_aimed_missile (object *op)
2353	{
2354
2355	/* I broke what used to be one big if into a few nested
2356	* ones so that figuring out the logic is at least possible.
2357	*/
2358	if (op && (op->move_type & MOVE_FLYING))
2359	if (op->type == ARROW || op->type == THROWN_OBJ)
2360	return 1;
2361	else if (op->type == SPELL_EFFECT && (op->subtype == SP_BULLET || op->subtype == SP_EXPLOSION))
2362	return 1;
2363
2364	return 0;
2365	}

Diff Legend

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