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Comparing deliantra/server/server/attack.C (file contents):
Revision 1.78 by root, Mon Oct 22 03:11:46 2007 UTC vs.
Revision 1.118 by root, Tue Nov 10 04:38:45 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 = op->material;
81
82	if (op->materialname == NULL)
83	{
84	for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)
85	if (op->materials & mt->material)
86	break;
87	}
88	else
89	mt = name_to_material (op->materialname);
90
91	if (!mt)
92	return TRUE;
93		50
94	roll = rndm (1, 20);	51	roll = rndm (1, 20);
95		52
96	/* the attacktypes have no meaning for object saves	53	/* the attacktypes have no meaning for object saves
97	* If the type is only magic, don't adjust type - basically, if	54	* If the type is only magic, don't adjust type - basically, if
…		…
104	if (type != AT_MAGIC)	61	if (type != AT_MAGIC)
105	type &= ~(AT_CONFUSION | AT_DRAIN | AT_GHOSTHIT | AT_POISON | AT_SLOW |	62	type &= ~(AT_CONFUSION | AT_DRAIN | AT_GHOSTHIT | AT_POISON | AT_SLOW |
106	AT_PARALYZE | AT_TURN_UNDEAD | AT_FEAR | AT_DEPLETE | AT_DEATH |	63	AT_PARALYZE | AT_TURN_UNDEAD | AT_FEAR | AT_DEPLETE | AT_DEATH |
107	AT_COUNTERSPELL | AT_HOLYWORD | AT_BLIND | AT_LIFE_STEALING | AT_MAGIC);	64	AT_COUNTERSPELL | AT_HOLYWORD | AT_BLIND | AT_LIFE_STEALING | AT_MAGIC);
108		65
109	if (type == 0)	66	if (type == 0) return TRUE;
110	return TRUE;	67
111	if (roll == 20)	68	if (roll == 20) return TRUE;
112	return TRUE;	69	if (roll == 1) return FALSE;
113	if (roll == 1)
114	return FALSE;
115		70
116	for (number = 0; number < NROFATTACKS; number++)	71	for (number = 0; number < NROFATTACKS; number++)
117	{	72	{
118	i = 1 << number;	73	i = 1 << number;
		74
119	if (!(i & type))	75	if (!(i & type))
120	continue;	76	continue;
		77
121	attacks++;	78	attacks++;
122	if (op->resist[number] == 100)	79	if (op->resist[number] == 100)
123	saves++;	80	saves++;
124	else if (roll >= mt->save[number] - op->magic - op->resist[number] / 100)	81	else if (roll >= mt->save[number] - op->magic - op->resist[number] / 100)
125	saves++;	82	saves++;
…		…
134	return FALSE;	91	return FALSE;
135		92
136	return TRUE;	93	return TRUE;
137	}	94	}
138		95
		96	/* cancels object *op. Cancellation basically means an object loses
		97	* its magical benefits.
		98	*/
		99	void
		100	cancellation (object *op)
		101	{
		102	if (op->invisible)
		103	return;
		104
		105	if (QUERY_FLAG (op, FLAG_ALIVE) || op->type == CONTAINER || op->type == THROWN_OBJ)
		106	{
		107	/* Recurse through the inventory */
		108	for (object *tmp = op->inv; tmp; tmp = tmp->below)
		109	if (!did_make_save_item (tmp, AT_CANCELLATION, op))
		110	cancellation (tmp);
		111	}
		112	else if (fabs (op->magic) <= rndm (0, 5))
		113	{
		114	/* Nullify this object. This code could probably be more complete */
		115	/* in what abilities it should cancel */
		116	op->magic = 0;
		117
		118	CLEAR_FLAG (op, FLAG_DAMNED);
		119	CLEAR_FLAG (op, FLAG_CURSED);
		120	CLEAR_FLAG (op, FLAG_KNOWN_MAGICAL);
		121	CLEAR_FLAG (op, FLAG_KNOWN_CURSED);
		122
		123	if (object *pl = op->visible_to ())
		124	esrv_update_item (UPD_FLAGS, pl, op);
		125	}
		126	}
		127
139	/* This function calls did_make_save_item. It then performs the	128	/* This function calls did_make_save_item. It then performs the
140	* appropriate actions to the item (such as burning the item up,	129	* appropriate actions to the item (such as burning the item up,
141	* calling cancellation, etc.)	130	* calling cancellation, etc.)
142	*/	131	*/
143	void	132	void
…		…
148	object *env = op->env;	137	object *env = op->env;
149	int x = op->x, y = op->y;	138	int x = op->x, y = op->y;
150	maptile *m = op->map;	139	maptile *m = op->map;
151		140
152	op = stop_item (op);	141	op = stop_item (op);
153	if (op == NULL)	142	if (!op)
154	return;	143	return;
155		144
156	/* Hacked the following so that type LIGHTER will work.	145	/* Hacked the following so that type LIGHTER will work.
157	* Also, objects which are potenital "lights" that are hit by	146	* Also, objects which are potential "lights" that are hit by
158	* flame/elect attacks will be set to glow. "lights" are any	147	* flame/elect attacks will be set to glow. "lights" are any
159	* object with +/- glow_radius and an "other_arch" to change to.	148	* object with +/- glow_radius and an "other_arch" to change to.
160	* (and please note that we cant fail our save and reach this	149	* (and please note that we cant fail our save and reach this
161	* function if the object doesnt contain a material that can burn.	150	* function if the object doesnt contain a material that can burn.
162	* So forget lighting magical swords on fire with this!) -b.t.	151	* So forget lighting magical swords on fire with this!) -b.t.
163	*/	152	*/
164	if (type & (AT_FIRE | AT_ELECTRICITY) && op->other_arch && QUERY_FLAG (op, FLAG_IS_LIGHTABLE))	153	if (type & (AT_FIRE | AT_ELECTRICITY)
		154	&& (QUERY_FLAG (op, FLAG_IS_LIGHTABLE)
		155	|| op->type == LAMP
		156	|| op->type == TORCH
165	{	157	))
166	const char *arch = op->other_arch->archname;	158	{
167		159	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	{	160	{
175	if (env)	161	case LAMP:
		162	case TORCH:
		163	// turn on a lamp
		164	apply_lamp (op, true);
		165	break;
		166
		167	default:
		168	// for instance icecubes:
		169	if (op->other_arch)
176	{	170	{
177	op->x = env->x, op->y = env->y;	171	const char *arch = op->other_arch->archname;
178	insert_ob_in_ob (op, env);	172
		173	if (op->decrease ())
		174	fix_stopped_item (op, m, originator);
		175
		176	if ((op = archetype::get (arch)))
		177	{
179	if (env->contr)	178	if (env)
180	esrv_send_item (env, op);	179	env->insert (op);
		180	else
		181	m->insert (op, x, y, originator);
		182	}
181	}	183	}
182	else
183	{
184	op->x = x, op->y = y;
185	insert_ob_in_map (op, m, originator, 0);
186	}
187	}	184	}
188
189	return;	185	return;
190	}	186	}
191		187
192	if (type & AT_CANCELLATION)	188	if (type & AT_CANCELLATION)
193	{ /* Cancellation. */	189	{ /* Cancellation. */
…		…
196	return;	192	return;
197	}	193	}
198		194
199	if (op->nrof > 1)	195	if (op->nrof > 1)
200	{	196	{
201	op = decrease_ob_nr (op, rndm (0, op->nrof - 1));	197	if (op->decrease (rndm (0, op->nrof - 1)))
202
203	if (op)
204	fix_stopped_item (op, m, originator);	198	fix_stopped_item (op, m, originator);
205	}	199	}
206	else	200	else
207	{	201	{
208	if (op->env)	202	// drop everything to the ground, if possible
209	{	203	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 ();	204	op->drop_and_destroy ();
217	}	205	}
218		206
219	if (type & (AT_FIRE | AT_ELECTRICITY))	207	if (type & (AT_FIRE | AT_ELECTRICITY))
220	if (env)	208	if (env)
221	{	209	{
222	op = get_archetype ("burnout");	210	op = archetype::get (shstr_burnout);
223	op->x = env->x, op->y = env->y;	211	op->x = env->x, op->y = env->y;
224	insert_ob_in_ob (op, env);	212	env->insert (op);
225	}	213	}
226	else	214	else
227	replace_insert_ob_in_map ("burnout", originator);	215	replace_insert_ob_in_map (shstr_burnout, originator);
228		216
229	return;	217	return;
230	}	218	}
231		219
232	/* The value of 50 is arbitrary. */	220	/* The value of 50 is arbitrary. */
233	if (type & AT_COLD && (op->resist[ATNR_COLD] < 50) && !QUERY_FLAG (op, FLAG_NO_PICK) && (RANDOM () & 2))	221	if (type & AT_COLD && (op->resist[ATNR_COLD] < 50) && !QUERY_FLAG (op, FLAG_NO_PICK) && rndm (2))
234	{	222	{
235	object *tmp;
236	archetype *at = archetype::find ("icecube");	223	archetype *at = archetype::find (shstr_icecube);
237		224
238	if (at == NULL)	225	if (at == NULL)
239	return;	226	return;
240		227
241	op = stop_item (op);	228	op = stop_item (op);
242	if (op == NULL)	229	if (op == NULL)
243	return;	230	return;
244		231
245	if ((tmp = present_arch (at, op->map, op->x, op->y)) == NULL)	232	object *tmp = present_arch (at, op->map, op->x, op->y);
		233	if (!tmp)
246	{	234	{
247	tmp = arch_to_object (at);	235	tmp = arch_to_object (at);
248	tmp->x = op->x, tmp->y = op->y;	236	tmp->x = op->x, tmp->y = op->y;
249	/* This was in the old (pre new movement code) -	237	/* This was in the old (pre new movement code) -
250	* icecubes have slow_move set to 1 - don't want	238	* icecubes have slow_move set to 1 - don't want
…		…
253	tmp->move_slow_penalty = 0;	241	tmp->move_slow_penalty = 0;
254	tmp->move_slow = 0;	242	tmp->move_slow = 0;
255	insert_ob_in_map (tmp, op->map, originator, 0);	243	insert_ob_in_map (tmp, op->map, originator, 0);
256	}	244	}
257		245
258	if (!QUERY_FLAG (op, FLAG_REMOVED))	246	tmp->insert (op);
259	op->remove ();
260
261	insert_ob_in_ob (op, tmp);
262	return;	247	return;
263	}	248	}
264	}	249	}
265		250
266	/* Object op is hitting the map.	251	/* Object op is hitting the map.
…		…
295	}	280	}
296		281
297	if (op->head)	282	if (op->head)
298	op = op->head;	283	op = op->head;
299		284
300	map = op->map;	285	mapxy pos (op);
301	x = op->x + freearr_x[dir];	286	pos.move (dir);
302	y = op->y + freearr_y[dir];
303		287
304	if (!xy_normalise (map, x, y))	288	if (!pos.normalise ())
305	return 0;	289	return 0;
306		290
307	// elmex: a safe map tile can't be hit!	291	// elmex: a safe map tile can't be hit!
308	// this should prevent most harmful effects on items and players there.	292	// this should prevent most harmful effects on items and players there.
309	mapspace &ms = map->at (x, y);	293	mapspace &ms = pos.ms ();
310		294
311	if (ms.flags () & P_SAFE)	295	if (ms.flags () & P_SAFE)
312	return 0;	296	return 0;
313		297
314	/* peterm: a few special cases for special attacktypes --counterspell	298	/* peterm: a few special cases for special attacktypes --counterspell
…		…
352		336
353	/* Something could have happened to 'tmp' while 'tmp->below' was processed.	337	/* Something could have happened to 'tmp' while 'tmp->below' was processed.
354	* For example, 'tmp' was put in an icecube.	338	* For example, 'tmp' was put in an icecube.
355	* This is one of the few cases where on_same_map should not be used.	339	* This is one of the few cases where on_same_map should not be used.
356	*/	340	*/
357	if (tmp->map != map || tmp->x != x || tmp->y != y)	341	if (tmp->map != pos.m || tmp->x != pos.x || tmp->y != pos.y)
358	continue;	342	continue;
359		343
360	if (QUERY_FLAG (tmp, FLAG_ALIVE))	344	if (QUERY_FLAG (tmp, FLAG_ALIVE))
361	{	345	{
362	hit_player (tmp, op->stats.dam, op, type, full_hit);	346	hit_player (tmp, op->stats.dam, op, type, full_hit);
…		…
370	* that weak walls have is_alive set, which prevent objects from	354	* that weak walls have is_alive set, which prevent objects from
371	* passing over/through them. We don't care what type of movement	355	* passing over/through them. We don't care what type of movement
372	* the wall blocks - if it blocks any type of movement, can't be	356	* the wall blocks - if it blocks any type of movement, can't be
373	* destroyed right now.	357	* destroyed right now.
374	*/	358	*/
375	else if (tmp->materialname && op->stats.dam > 0 && !tmp->move_block)	359	else if (op->stats.dam > 0 && !tmp->move_block)
376	{	360	{
377	save_throw_object (tmp, type, op);	361	save_throw_object (tmp, type, op);
378		362
379	if (op->destroyed ())	363	if (op->destroyed ())
380	break;	364	break;
…		…
382	}	366	}
383		367
384	return 0;	368	return 0;
385	}	369	}
386		370
387	void	371	static void
388	attack_message (int dam, int type, object *op, object *hitter)	372	attack_message (int dam, int type, object *op, object *hitter)
389	{	373	{
390	char buf[MAX_BUF], buf1[MAX_BUF], buf2[MAX_BUF];	374	char buf[MAX_BUF], buf1[MAX_BUF], buf2[MAX_BUF];
391	int i, found = 0;	375	int i, found = 0;
392	maptile *map;	376	maptile *map;
…		…
394		378
395	/* put in a few special messages for some of the common attacktypes	379	/* put in a few special messages for some of the common attacktypes
396	* a player might have. For example, fire, electric, cold, etc	380	* a player might have. For example, fire, electric, cold, etc
397	* [garbled 20010919]	381	* [garbled 20010919]
398	*/	382	*/
399
400	if (dam == 9998 && op->type == DOOR)	383	if (dam == 9998 && op->type == DOOR)
401	{	384	{
402	sprintf (buf1, "unlock %s", &op->name);	385	sprintf (buf1, "unlock %s", &op->name);
403	sprintf (buf2, " unlocks");	386	sprintf (buf2, " unlocks");
404	found++;	387	found++;
405	}	388	}
406	if (dam < 0)	389	else if (dam < 0)
407	{	390	{
408	sprintf (buf1, "hit %s", &op->name);	391	sprintf (buf1, "hit %s", &op->name);
409	sprintf (buf2, " hits");	392	sprintf (buf2, " hits");
410	found++;	393	found++;
411	}	394	}
…		…
533	strcpy (buf2, attack_mess[ATM_FIRE][i].buf3);	516	strcpy (buf2, attack_mess[ATM_FIRE][i].buf3);
534	found++;	517	found++;
535	break;	518	break;
536	}	519	}
537	}	520	}
538	else if (hitter->current_weapon != NULL)	521	else if (hitter->current_weapon)
539	{	522	{
540	int mtype;	523	int mtype;
541		524
542	switch (hitter->current_weapon->weapontype)	525	switch (hitter->current_weapon->weapontype)
543	{	526	{
544	case WEAP_HIT:	527	case WEAP_HIT:
545	mtype = ATM_BASIC;	528	mtype = ATM_BASIC;
546	break;	529	break;
547	case WEAP_SLASH:	530	case WEAP_SLASH:
548	mtype = ATM_SLASH;	531	mtype = ATM_SLASH;
549	break;	532	break;
550	case WEAP_PIERCE:	533	case WEAP_PIERCE:
551	mtype = ATM_PIERCE;	534	mtype = ATM_PIERCE;
552	break;	535	break;
553	case WEAP_CLEAVE:	536	case WEAP_CLEAVE:
554	mtype = ATM_CLEAVE;	537	mtype = ATM_CLEAVE;
555	break;	538	break;
556	case WEAP_SLICE:	539	case WEAP_SLICE:
557	mtype = ATM_SLICE;	540	mtype = ATM_SLICE;
558	break;	541	break;
559	case WEAP_STAB:	542	case WEAP_STAB:
560	mtype = ATM_STAB;	543	mtype = ATM_STAB;
561	break;	544	break;
562	case WEAP_WHIP:	545	case WEAP_WHIP:
563	mtype = ATM_WHIP;	546	mtype = ATM_WHIP;
564	break;	547	break;
565	case WEAP_CRUSH:	548	case WEAP_CRUSH:
566	mtype = ATM_CRUSH;	549	mtype = ATM_CRUSH;
567	break;	550	break;
568	case WEAP_BLUD:	551	case WEAP_BLUD:
569	mtype = ATM_BLUD;	552	mtype = ATM_BLUD;
570	break;	553	break;
571	default:	554	default:
572	mtype = ATM_BASIC;	555	mtype = ATM_BASIC;
573	break;	556	break;
574	}	557	}
		558
575	for (i = 0; i < MAXATTACKMESS && attack_mess[mtype][i].level != -1; i++)	559	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)	560	if (dam < attack_mess[mtype][i].level || attack_mess[mtype][i + 1].level == -1)
577	{	561	{
578	sprintf (buf1, "%s %s%s", attack_mess[mtype][i].buf1, &op->name, attack_mess[mtype][i].buf2);	562	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);	563	strcpy (buf2, attack_mess[mtype][i].buf3);
…		…
680	op->play_sound (sound_find ("player_hits4"));	664	op->play_sound (sound_find ("player_hits4"));
681	new_draw_info (NDI_BLACK, 0, hitter->owner, buf);	665	new_draw_info (NDI_BLACK, 0, hitter->owner, buf);
682	}	666	}
683	}	667	}
684		668
685
686	static int	669	static int
687	get_attack_mode (object **target, object **hitter, int *simple_attack)	670	get_attack_mode (object **target, object **hitter, int *simple_attack)
688	{	671	{
689	if (QUERY_FLAG (*target, FLAG_FREED) || QUERY_FLAG (*hitter, FLAG_FREED))	672	if (QUERY_FLAG (*target, FLAG_FREED) || QUERY_FLAG (*hitter, FLAG_FREED))
690	{	673	{
691	LOG (llevError, "BUG: get_attack_mode(): freed object\n");	674	LOG (llevError, "BUG: get_attack_mode(): freed object\n");
692	return 1;	675	return 1;
693	}	676	}
694		677
695	if ((*target)->head)
696	*target = (*target)->head;	678	*target = (*target)->head_ ();
697
698	if ((*hitter)->head)
699	*hitter = (*hitter)->head;	679	*hitter = (*hitter)->head_ ();
700		680
		681	if ((*target)->type == LOCKED_DOOR)
		682	return 1; // locked doors cannot be hit
		683
701	if ((*hitter)->env != NULL || (*target)->env != NULL)	684	if ((*hitter)->env || (*target)->env)
702	{	685	{
703	*simple_attack = 1;	686	*simple_attack = 1;
704	return 0;	687	return 0;
705	}	688	}
706		689
…		…
719	}	702	}
720		703
721	static int	704	static int
722	abort_attack (object *target, object *hitter, int simple_attack)	705	abort_attack (object *target, object *hitter, int simple_attack)
723	{	706	{
724
725	/* Check if target and hitter are still in a relation similar to the one	707	/* Check if target and hitter are still in a relation similar to the one
726	* determined by get_attack_mode(). Returns true if the relation has changed.	708	* determined by get_attack_mode(). Returns true if the relation has changed.
727	*/	709	*/
728	int new_mode;	710	int new_mode;
729		711
730	if (hitter->env == target || target->env == hitter)	712	if (hitter->env == target || target->env == hitter)
731	new_mode = 1;	713	new_mode = 1;
732	else if (QUERY_FLAG (hitter, FLAG_REMOVED) || QUERY_FLAG (target, FLAG_REMOVED) || hitter->map == NULL || !on_same_map (hitter, target))	714	else if (QUERY_FLAG (hitter, FLAG_REMOVED) || QUERY_FLAG (target, FLAG_REMOVED)
		715	|| hitter->map == NULL || !on_same_map (hitter, target))
733	return 1;	716	return 1;
734	else	717	else
735	new_mode = 0;	718	new_mode = 0;
		719
736	return new_mode != simple_attack;	720	return new_mode != simple_attack;
737	}	721	}
738		722
		723	/* thrown_item_effect() - handles any special effects of thrown
		724	* items (like attacking living creatures--a potion thrown at a
		725	* monster).
		726	*/
		727	static void
739	static void thrown_item_effect (object *, object *);	728	thrown_item_effect (object *hitter, object *victim)
		729	{
		730	if (!QUERY_FLAG (hitter, FLAG_ALIVE))
		731	{
		732	/* May not need a switch for just 2 types, but this makes it
		733	* easier for expansion.
		734	*/
		735	switch (hitter->type)
		736	{
		737	case POTION:
		738	/* should player get a save throw instead of checking magic protection? */
		739	if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_MAGIC] < 60))
		740	(void) apply_potion (victim, hitter);
		741	break;
		742
		743	case POISON: /* poison drinks */
		744	/* As with potions, should monster get a save? */
		745	if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_POISON] < 60))
		746	apply_poison (victim, hitter);
		747	break;
		748
		749	/* Removed case statements that did nothing.
		750	* food may be poisonous, but monster must be willing to eat it,
		751	* so we don't handle it here.
		752	* Containers should perhaps break open, but that code was disabled.
		753	*/
		754	}
		755	}
		756	}
		757
		758	/* determine if the object is an 'aimed' missile */
		759	static int
		760	is_aimed_missile (object *op)
		761	{
		762
		763	/* I broke what used to be one big if into a few nested
		764	* ones so that figuring out the logic is at least possible.
		765	*/
		766	if (op && (op->move_type & MOVE_FLYING))
		767	if (op->type == ARROW || op->type == THROWN_OBJ)
		768	return 1;
		769	else if (op->type == SPELL_EFFECT && (op->subtype == SP_BULLET || op->subtype == SP_EXPLOSION))
		770	return 1;
		771
		772	return 0;
		773	}
		774	/* adj_attackroll() - adjustments to attacks by various conditions */
		775	static int
		776	adj_attackroll (object *hitter, object *target)
		777	{
		778	object *attacker = hitter;
		779	int adjust = 0;
		780
		781	/* safety */
		782	if (!target || !hitter || !hitter->map || !target->map || !on_same_map (hitter, target))
		783	{
		784	LOG (llevError, "BUG: adj_attackroll(): hitter and target not on same " "map\n");
		785	return 0;
		786	}
		787
		788	/* aimed missiles use the owning object's sight */
		789	if (is_aimed_missile (hitter))
		790	{
		791	if ((attacker = hitter->owner) == NULL)
		792	attacker = hitter;
		793	/* A player who saves but hasn't quit still could have objects
		794	* owned by him - need to handle that case to avoid crashes.
		795	*/
		796	if (QUERY_FLAG (attacker, FLAG_REMOVED))
		797	attacker = hitter;
		798	}
		799	else if (!QUERY_FLAG (hitter, FLAG_ALIVE))
		800	return 0;
		801
		802	/* determine the condtions under which we make an attack.
		803	* Add more cases, as the need occurs. */
		804
		805	if (!can_see_enemy (attacker, target))
		806	{
		807	/* target is unseen */
		808	if (target->invisible || QUERY_FLAG (attacker, FLAG_BLIND))
		809	adjust -= 10;
		810	/* dark map penalty for the hitter (lacks infravision if we got here). */
		811	else if (!stand_in_light (target))
		812	adjust -= target->map->darklevel ();
		813	}
		814
		815	if (QUERY_FLAG (attacker, FLAG_SCARED))
		816	adjust -= 3;
		817
		818	if (QUERY_FLAG (target, FLAG_UNAGGRESSIVE))
		819	adjust += 1;
		820
		821	if (QUERY_FLAG (target, FLAG_SCARED))
		822	adjust += 1;
		823
		824	if (QUERY_FLAG (attacker, FLAG_CONFUSED))
		825	adjust -= 3;
		826
		827	/* if we attack at a different 'altitude' its harder */
		828	if ((attacker->move_type & target->move_type) == 0)
		829	adjust -= 2;
		830
		831	#if 0
		832	/* slower attacks are less likely to succeed. We should use a
		833	* comparison between attacker/target speeds BUT, players have
		834	* a generally faster speed, so this will wind up being a HUGE
		835	* disadantage for the monsters! Too bad, because missiles which
		836	* fly fast should have a better chance of hitting a slower target.
		837	*/
		838	if (hitter->speed < target->speed)
		839	adjust += ((float) hitter->speed - target->speed);
		840	#endif
		841
		842	#if 0
		843	LOG (llevDebug, "adj_attackroll() returns %d (%d)\n", adjust, attacker->count);
		844	#endif
		845
		846	return adjust;
		847	}
740		848
741	static int	849	static int
742	attack_ob_simple (object *op, object *hitter, int base_dam, int base_wc)	850	attack_ob_simple (object *op, object *hitter, int base_dam, int base_wc)
743	{	851	{
744	int simple_attack, roll, dam = 0;	852	int simple_attack, roll, dam = 0;
…		…
798	* for help. */	906	* for help. */
799	if (op->type != PLAYER && !can_see_enemy (op, hitter) && !op->owner && rndm (0, op->stats.Int))	907	if (op->type != PLAYER && !can_see_enemy (op, hitter) && !op->owner && rndm (0, op->stats.Int))
800	npc_call_help (op);	908	npc_call_help (op);
801		909
802	/* if you were hidden and hit by a creature, you are discovered */	910	/* if you were hidden and hit by a creature, you are discovered */
803	if (op->hide && QUERY_FLAG (hitter, FLAG_ALIVE))	911	if (op->flag [FLAG_HIDDEN] && hitter->flag [FLAG_ALIVE])
804	{	912	{
805	make_visible (op);	913	make_visible (op);
806		914
807	if (op->type == PLAYER)	915	if (op->type == PLAYER)
808	new_draw_info (NDI_UNIQUE, 0, op, "You were hit by a wild attack. " "You are no longer hidden!");	916	new_draw_info (NDI_UNIQUE, 0, op, "You were hit by a wild attack. You are no longer hidden!");
809	}	917	}
810		918
811	/* thrown items (hitter) will have various effects	919	/* thrown items (hitter) will have various effects
812	* when they hit the victim. For things like thrown daggers,	920	* when they hit the victim. For things like thrown daggers,
813	* this sets 'hitter' to the actual dagger, and not the	921	* this sets 'hitter' to the actual dagger, and not the
…		…
825	if (hitdam <= 0)	933	if (hitdam <= 0)
826	hitdam = 1;	934	hitdam = 1;
827		935
828	type = hitter->attacktype;	936	type = hitter->attacktype;
829		937
		938	/* Ok, because some of the brainfucks of the good *sigh* old *sigh*
		939	* Crossfire we have to default the attacktype here to AT_PHYSICAL.
		940	* This check is important for the most simple monsters out there in the
		941	* game content (maps, archs). For example orcs: They would have
		942	* no attacktype at all.
		943	*
		944	* Some time in the future someone should just go into the game data
		945	* and fix every monster out there ;-/ Until then we will kill some
		946	* more trees in the african rain forests with this check.
		947	*/
830	if (!type)	948	if (!type)
831	type = AT_PHYSICAL;	949	type = AT_PHYSICAL;
832		950
833	/* Handle monsters that hit back */	951	/* Handle monsters that hit back */
834	if (!simple_attack && QUERY_FLAG (op, FLAG_HITBACK) && QUERY_FLAG (hitter, FLAG_ALIVE))	952	if (!simple_attack && QUERY_FLAG (op, FLAG_HITBACK) && QUERY_FLAG (hitter, FLAG_ALIVE))
…		…
885	* debate - 5000 is 5 kg, so arrows, knives, and other light weapons	1003	* debate - 5000 is 5 kg, so arrows, knives, and other light weapons
886	* stick around.	1004	* stick around.
887	*/	1005	*/
888	if (op->weight <= 5000 && tmp->stats.hp >= 0)	1006	if (op->weight <= 5000 && tmp->stats.hp >= 0)
889	{	1007	{
890	tmp = tmp->head_ ();	1008	tmp->head_ ()->insert (op);
891
892	op->remove ();
893	op = insert_ob_in_ob (op, tmp);
894
895	if (tmp->type == PLAYER)
896	esrv_send_item (tmp, op);
897
898	return 1;	1009	return 1;
899	}	1010	}
900	else	1011	else
901	return 0;	1012	return 0;
902	}	1013	}
…		…
916	/* Disassemble missile */	1027	/* Disassemble missile */
917	if (op->inv)	1028	if (op->inv)
918	{	1029	{
919	container = op;	1030	container = op;
920	hitter = op->inv;	1031	hitter = op->inv;
921	hitter->remove ();
922	insert_ob_in_map (hitter, container->map, hitter, INS_NO_MERGE | INS_NO_WALK_ON);	1032	hitter->insert_at (container, hitter, INS_NO_MERGE | INS_NO_WALK_ON);
923	/* Note that we now have an empty THROWN_OBJ on the map. Code that	1033	/* Note that we now have an empty THROWN_OBJ on the map. Code that
924	* might be called until this THROWN_OBJ is either reassembled or	1034	* might be called until this THROWN_OBJ is either reassembled or
925	* removed at the end of this function must be able to deal with empty	1035	* removed at the end of this function must be able to deal with empty
926	* THROWN_OBJs. */	1036	* THROWN_OBJs. */
927	}	1037	}
…		…
941	* other places as well!)	1051	* other places as well!)
942	*/	1052	*/
943	if (hitter->destroyed () || hitter->env != NULL)	1053	if (hitter->destroyed () || hitter->env != NULL)
944	{	1054	{
945	if (container)	1055	if (container)
946	{
947	container->remove ();
948	container->destroy ();	1056	container->destroy ();
949	}
950		1057
951	return 0;	1058	return 0;
952	}	1059	}
953		1060
954	/* Missile hit victim */	1061	/* Missile hit victim */
…		…
978	* can fly over but not otherwise move over. What is the correct	1085	* can fly over but not otherwise move over. What is the correct
979	* way to handle those otherwise?	1086	* way to handle those otherwise?
980	*/	1087	*/
981	if (victim->x != hitter->x || victim->y != hitter->y)	1088	if (victim->x != hitter->x || victim->y != hitter->y)
982	{	1089	{
		1090	if (victim->destroyed ())
		1091	hitter->destroy ();
		1092	else
		1093	{
983	hitter->remove ();	1094	hitter->remove ();
984	hitter->x = victim->x;	1095	hitter->x = victim->x;
985	hitter->y = victim->y;	1096	hitter->y = victim->y;
986	insert_ob_in_map (hitter, victim->map, hitter, 0);	1097	insert_ob_in_map (hitter, victim->map, hitter, 0);
		1098	}
987	}	1099	}
988	else	1100	else
989	/* Else leave arrow where it is */	1101	/* Else leave arrow where it is */
990	merge_ob (hitter, NULL);	1102	merge_ob (hitter, NULL);
991		1103
…		…
1003	}	1115	}
1004		1116
1005	return op;	1117	return op;
1006	}	1118	}
1007		1119
1008	void	1120	static void
1009	tear_down_wall (object *op)	1121	tear_down_wall (object *op)
1010	{	1122	{
1011	int perc = 0;
1012
1013	if (!op->stats.maxhp)	1123	if (!op->stats.maxhp)
1014	{
1015	LOG (llevError, "TEAR_DOWN wall %s had no maxhp.\n", &op->name);	1124	LOG (llevError, "TEAR_DOWN wall %s had no maxhp.\n", &op->name);
1016	perc = 1;	1125	else if (!op->has_anim ())
1017	}
1018	else if (!GET_ANIM_ID (op))
1019	{	1126	{
1020	/* Object has been called - no animations, so remove it */	1127	/* Object has been called - no animations, so remove it */
1021	if (op->stats.hp < 0)	1128	if (op->stats.hp < 0)
1022	op->destroy ();	1129	op->destroy ();
1023		1130
1024	return; /* no animations, so nothing more to do */	1131	return; /* no animations, so nothing more to do */
1025	}	1132	}
1026		1133
1027	perc = NUM_ANIMATIONS (op) - ((int) NUM_ANIMATIONS (op) * op->stats.hp) / op->stats.maxhp;	1134	// we use frames 1..num-2 as intermediate frames, so
		1135	// the last frame is used only when hp < 0.
		1136	int perc = clamp (
		1137	lerp_ru<int> (op->stats.hp, 0, op->stats.maxhp, op->anim_frames () - 2, 0),
		1138	0, op->anim_frames () - 1
		1139	);
1028		1140
1029	if (perc >= (int) NUM_ANIMATIONS (op))	1141	op->set_anim_frame (perc);
1030	perc = NUM_ANIMATIONS (op) - 1;
1031	else if (perc < 1)
1032	perc = 1;
1033
1034	SET_ANIMATION (op, perc);
1035	update_object (op, UP_OBJ_FACE);	1142	update_object (op, UP_OBJ_FACE);
1036		1143
1037	if (perc == NUM_ANIMATIONS (op) - 1)	1144	if (op->stats.hp < 0)
1038	{ /* Reached the last animation */	1145	{ /* Reached the last animation */
1039	if (op->face == blank_face)	1146	if (op->face == blank_face)
1040	/* If the last face is blank, remove the ob */	1147	/* If the last face is blank, remove the ob */
1041	op->destroy ();	1148	op->destroy ();
1042	else	1149	else
1043	{ /* The last face was not blank, leave an image */	1150	{ /* The last face was not blank, leave an image */
1044	CLEAR_FLAG (op, FLAG_BLOCKSVIEW);	1151	op->flag [FLAG_BLOCKSVIEW] = false;
1045	update_all_los (op->map, op->x, op->y);	1152	update_all_los (op->map, op->x, op->y);
1046	op->move_block = 0;	1153	op->move_block = 0;
1047	CLEAR_FLAG (op, FLAG_ALIVE);	1154	op->flag [FLAG_ALIVE] = false;
1048	}	1155	}
1049	}	1156	}
1050	}	1157	}
1051		1158
1052	void	1159	static void
1053	scare_creature (object *target, object *hitter)	1160	scare_creature (object *target, object *hitter)
1054	{	1161	{
1055	object *owner = hitter->owner;	1162	target->flag [FLAG_SCARED] = true;
1056		1163
		1164	if (!target->enemy)
		1165	target->enemy = hitter->outer_owner ();
		1166	}
		1167
		1168	/* GROS: This code comes from hit_player. It has been made external to
		1169	* allow script procedures to "kill" objects in a combat-like fashion.
		1170	* It was initially used by (kill-object) developed for the Collector's
		1171	* Sword. Note that nothing has been changed from the original version
		1172	* of the following code.
		1173	* op is what is being killed.
		1174	* dam is the damage done to it.
		1175	* hitter is what is hitting it.
		1176	* type is the attacktype.
		1177	*
		1178	* This function was a bit of a mess with hitter getting changed,
		1179	* values being stored away but not used, etc. I've cleaned it up
		1180	* a bit - I think it should be functionally equivalant.
		1181	* MSW 2002-07-17
		1182	*/
		1183	int
		1184	kill_object (object *op, int dam, object *hitter, int type)
		1185	{
		1186	char buf[MAX_BUF];
		1187	shstr skill;
		1188	int maxdam = 0;
		1189	int battleg = 0; /* true if op standing on battleground */
		1190	int pk = 0; /* true if op and what controls hitter are both players */
		1191	object *owner = 0;
		1192	object *skop = 0;
		1193
		1194	if (op->stats.hp >= 0)
		1195	return -1;
		1196
		1197	if (INVOKE_OBJECT (KILL, op, ARG_OBJECT (hitter)))
		1198	return 0;
		1199
		1200	/* maxdam needs to be the amount of damage it took to kill
		1201	* this creature. The function(s) that call us have already
		1202	* adjusted the creatures HP total, so that is negative.
		1203	*/
		1204	maxdam = dam + op->stats.hp + 1;
		1205
		1206	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW))
		1207	update_all_los (op->map, op->x, op->y); /* makes sure los will be recalculated */
		1208
		1209	if (op->type == DOOR)
		1210	{
		1211	op->set_speed (0.1f);
		1212	op->speed_left = -0.05f;
		1213	return maxdam;
		1214	}
		1215
		1216	if (QUERY_FLAG (op, FLAG_FRIENDLY) && op->type != PLAYER)
		1217	{
		1218	op->drop_and_destroy ();
		1219	return maxdam;
		1220	}
		1221
		1222	/* Now lets start dealing with experience we get for killing something */
		1223
		1224	owner = hitter->outer_owner ();
1057	if (!owner)	1225	if (!owner)
1058	owner = hitter;	1226	owner = hitter;
1059		1227
		1228	/* is the victim (op) standing on battleground? */
		1229	if (op_on_battleground (op, NULL, NULL))
		1230	battleg = 1;
		1231
		1232	/* is this player killing? */
		1233	if (op->type == PLAYER && owner->type == PLAYER)
		1234	pk = 1;
		1235
		1236	/* Player killed something */
		1237	if (owner->type == PLAYER)
		1238	{
		1239	/* Log players killing other players - makes it easier to detect
		1240	* and filter out malicious player killers - that is why the
		1241	* ip address is included.
		1242	*/
		1243	if (op->type == PLAYER && !battleg)
		1244	{
		1245	time_t t = time (NULL);
		1246	struct tm *tmv;
		1247	char buf[256];
		1248
		1249	tmv = localtime (&t);
		1250	strftime (buf, 256, "%a %b %d %H:%M:%S %Y", tmv);
		1251
		1252	LOG (llevInfo, "%s PLAYER_KILL_PLAYER: %s (%s) killed %s\n", buf, &owner->name, owner->contr->ns->host, query_name (op));
		1253	}
		1254
		1255	/* try to filter some things out - basically, if you are
		1256	* killing a level 1 creature and your level 20, you
		1257	* probably don't want to see that.
		1258	*/
		1259	if (owner->level < op->level * 2 || op->stats.exp > 1000)
		1260	{
		1261	if (owner != hitter)
		1262	new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s with %s.", query_name (op), query_name (hitter));
		1263	else
		1264	new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s.", query_name (op));
		1265
		1266	/* Only play sounds for melee kills */
		1267	if (hitter->type == PLAYER)
		1268	owner->play_sound (sound_find ("player_kills"));
		1269	}
		1270
		1271	/* If a player kills another player, not on
		1272	* battleground, the "killer" looses 1 luck. Since this is
		1273	* not reversible, it's actually quite a pain IMHO. -AV
		1274	* Fix bug in that we were changing the luck of the hitter, not
		1275	* player that the object belonged to - so if you killed another player
		1276	* with spells, pets, whatever, there was no penalty.
		1277	* Changed to make luck penalty configurable in settings.
		1278	*/
		1279	if (op->type == PLAYER && owner != op && !battleg)
		1280	owner->change_luck (-settings.pk_luck_penalty);
		1281
		1282	/* This code below deals with finding the appropriate skill
		1283	* to credit exp to. This is a bit problematic - we should
		1284	* probably never really have to look at current_weapon->skill
		1285	*/
		1286	if (hitter->skill && hitter->type != PLAYER)
		1287	skill = hitter->skill;
		1288	else if (owner->chosen_skill)
		1289	{
		1290	skop = owner->chosen_skill;
		1291	skill = skop->skill;
		1292	}
		1293	else if (QUERY_FLAG (owner, FLAG_READY_WEAPON) && owner->current_weapon)
		1294	skill = owner->current_weapon->skill;
		1295	else
		1296	{
		1297	LOG (llevError, "BUG: kill_object - unable to find skill that killed monster\n"
		1298	"op: %s\n" "hitter: %s\n" "owner: %s\n",
		1299	owner->debug_desc (), hitter->debug_desc (), op->debug_desc ());
		1300	skill = 0;
		1301	}
		1302
		1303	/* We have the skill we want to credit to - now find the object this goes
		1304	* to. Make sure skop is an actual skill, and not a skill tool!
		1305	*/
		1306	skop = owner->contr->find_skill (skill);
		1307	} /* Was it a player that hit somethign */
		1308	else
		1309	skill = 0;
		1310
		1311	/* These may have been set in the player code section above */
		1312	if (!skop)
		1313	skop = hitter->chosen_skill;
		1314
		1315	if (!skill && skop)
		1316	skill = skop->skill;
		1317
		1318	/* If you didn't kill yourself, and your not the wizard */
		1319	if (owner != op && !QUERY_FLAG (op, FLAG_WIZ))
		1320	{
		1321	int exp;
		1322
		1323	/* Really don't give much experience for killing other players */
		1324	// schmorp: temporarily? reduce the amount of exp gained for pking enourmously
		1325	if (battleg)
		1326	{
		1327	if (op->is_player ())
		1328	{
		1329	new_draw_info (NDI_UNIQUE, 0, owner, "Your foe has fallen!");
		1330	new_draw_info (NDI_UNIQUE, 0, owner, "VICTORY!!!");
		1331	}
		1332
		1333	exp = 0;
		1334	}
		1335	else if (op->is_player ())
		1336	exp = op->stats.exp / 1000;
		1337	else
		1338	exp = calc_skill_exp (owner, op, skop);
		1339
		1340	/* Don't know why this is set this way - doesn't make
		1341	* sense to just divide everything by two for no reason.
		1342	*/
		1343
		1344	if (!settings.simple_exp)
		1345	exp = exp / 2;
		1346
		1347	if (owner->type != PLAYER || owner->contr->party == NULL)
		1348	change_exp (owner, exp, skill, 0);
		1349	else
		1350	{
		1351	int shares = 0, count = 0;
		1352	partylist *party = owner->contr->party;
		1353
		1354	add_kill_to_party (party, query_name (owner), query_name (op), exp);
		1355
		1356	for_all_players (pl)
		1357	if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
		1358	{
		1359	count++;
		1360	shares += (pl->ob->level + 4);
		1361	}
		1362
		1363	if (count == 1 || shares > exp || !shares)
		1364	change_exp (owner, exp, skill, SK_EXP_TOTAL);
		1365	else
		1366	{
		1367	int share = exp / shares, given = 0, nexp;
		1368
		1369	for_all_players (pl)
		1370	if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
		1371	{
		1372	nexp = (pl->ob->level + 4) * share;
		1373	change_exp (pl->ob, nexp, skill, SK_EXP_TOTAL);
		1374	given += nexp;
		1375	}
		1376
		1377	exp -= given;
		1378	/* give any remainder to the player */
		1379	change_exp (owner, exp, skill, SK_EXP_ADD_SKILL);
		1380	}
		1381	} /* else part of a party */
		1382	} /* end if person didn't kill himself */
		1383
		1384	if (op->type != PLAYER)
		1385	{
		1386	if (QUERY_FLAG (op, FLAG_FRIENDLY))
		1387	{
		1388	object *owner1 = op->owner;
		1389
		1390	if (owner1 && owner1->type == PLAYER)
		1391	{
		1392	owner1->contr->play_sound (sound_find ("pet_is_killed"));
		1393	/* Maybe we should include the owner that killed this, maybe not */
		1394	new_draw_info_format (NDI_UNIQUE, 0, owner1, "Your pet, the %s, was killed by %s.", &op->name, &hitter->name);
		1395	}
		1396
		1397	remove_friendly_object (op);
		1398	}
		1399
		1400	op->drop_and_destroy ();
		1401	}
		1402	else
		1403	/* Player has been killed! */
		1404	op->contr->killer = owner->type == PLAYER ? owner : hitter;
		1405
		1406	/* This was return -1 - that doesn't seem correct - if we return -1, process
		1407	* continues in the calling function.
		1408	*/
		1409	return maxdam;
		1410	}
		1411
		1412	/* Find out if this is friendly fire (PVP and attacker is peaceful) or not
		1413	* Returns 0 this is not friendly fire
		1414	*/
		1415	int
		1416	friendly_fire (object *op, object *hitter)
		1417	{
		1418	object *owner;
		1419	int friendlyfire;
		1420
		1421	if (hitter->head)
		1422	hitter = hitter->head;
		1423
		1424	friendlyfire = 0;
		1425
		1426	if (op->type == PLAYER)
		1427	{
		1428	if (op_on_battleground (hitter, 0, 0))
		1429	return 0;
		1430
		1431	if (hitter->type == PLAYER && hitter->contr->peaceful == 1)
		1432	return 1;
		1433
		1434	if ((owner = hitter->owner) != NULL)
		1435	{
		1436	if (owner->type == PLAYER && owner->contr->peaceful == 1)
		1437	friendlyfire = 2;
		1438	}
		1439
		1440	if (hitter->type == SPELL || hitter->type == POISONING || hitter->type == DISEASE || hitter->type == RUNE)
		1441	friendlyfire = 0;
		1442	}
		1443
		1444	return friendlyfire;
		1445	}
		1446
		1447	/* This isn't used just for players, but in fact most objects.
		1448	* op is the object to be hit, dam is the amount of damage, hitter
		1449	* is what is hitting the object, type is the attacktype, and
		1450	* full_hit is set if monster area does not matter.
		1451	* dam is base damage - protections/vulnerabilities/slaying matches can
		1452	* modify it.
		1453	*/
		1454	/* Oct 95 - altered the following slightly for MULTIPLE_GODS hack
		1455	* which needs new attacktype AT_HOLYWORD to work . b.t. */
		1456	int
		1457	hit_player (object *op, int dam, object *hitter, int type, int full_hit)
		1458	{
		1459	int maxdam = 0, ndam = 0, attacktype = 1, magic = (type & AT_MAGIC);
		1460	int maxattacktype, attacknum;
		1461	int body_attack = op && op->head; /* Did we hit op's head? */
		1462	int simple_attack;
		1463	int rtn_kill = 0;
		1464	int friendlyfire;
		1465
		1466	if (get_attack_mode (&op, &hitter, &simple_attack))
		1467	return 0;
		1468
		1469	/* very simple: if our target has no_damage 1 set or is wiz, we can't hurt him */
		1470	if (QUERY_FLAG (op, FLAG_WIZ) || QUERY_FLAG (op, FLAG_NO_DAMAGE))
		1471	return 0;
		1472
		1473	// only allow pk for hostile players
		1474	if (op->type == PLAYER)
		1475	{
		1476	object *owner = hitter->owner;
		1477
		1478	if (!owner)
		1479	owner = hitter;
		1480
		1481	if (owner->type == PLAYER
		1482	&& (!op_on_battleground (op, 0, 0)
		1483	&& (op->contr->peaceful || owner->contr->peaceful))
		1484	&& op != owner)
		1485	return 0;
		1486	}
		1487
		1488	if (body_attack)
		1489	{
		1490	/* slow and paralyze must hit the head. But we don't want to just
		1491	* return - we still need to process other attacks the spell still
		1492	* might have. So just remove the paralyze and slow attacktypes,
		1493	* and keep on processing if we have other attacktypes.
		1494	* return if only magic or nothing is left - under normal code
		1495	* we don't attack with pure magic if there is another attacktype.
		1496	* Only do processing if the initial attacktype includes one of those
		1497	* attack so we don't cancel out things like magic bullet.
		1498	*/
		1499	if (type & (AT_PARALYZE | AT_SLOW))
		1500	{
		1501	type &= ~(AT_PARALYZE | AT_SLOW);
		1502
		1503	if (!type || type == AT_MAGIC)
		1504	return 0;
		1505	}
		1506	}
		1507
		1508	if (!simple_attack && op->type == DOOR)
		1509	{
		1510	for (object *tmp = op->inv; tmp; tmp = tmp->below)
		1511	if (tmp->type == RUNE || tmp->type == TRAP)
		1512	{
		1513	spring_trap (tmp, hitter);
		1514
		1515	if (hitter->destroyed () || op->destroyed () || abort_attack (op, hitter, simple_attack))
		1516	return 0;
		1517
		1518	break;
		1519	}
		1520	}
		1521
		1522	if (!QUERY_FLAG (op, FLAG_ALIVE) || op->stats.hp < 0)
		1523	{
		1524	/* FIXME: If a player is killed by a rune in a door, the
		1525	* destroyed() check above doesn't return, and might get here.
		1526	*/
		1527
		1528	/* FIXME: This for example happens when a dead door is on a mover and
		1529	gets it's speed_left raised on each mover-tick.
		1530	Doors are removed in a kinda funny way by giving them speed and speed_left
		1531	and waiting for that to run out.
		1532	*/
		1533	LOG (llevDebug, "victim %s (%d) already dead in hit_player()\n", op->debug_desc (), op->stats.hp);
		1534	return 0;
		1535	}
		1536
		1537	#ifdef ATTACK_DEBUG
		1538	LOG (llevDebug, "hit player: attacktype %d, dam %d\n", type, dam);
		1539	#endif
		1540
		1541	if (magic)
		1542	{
		1543	/* basically: dam = dam*(100-op->resist[attacknum])/100;
		1544	* in case 0>dam>1, we try to "simulate" a float value-effect */
		1545	dam = dam * (100 - op->resist[ATNR_MAGIC]);
		1546	if (dam >= 100)
		1547	dam /= 100;
		1548	else
		1549	dam = (dam > rndm (0, 99)) ? 1 : 0;
		1550	}
		1551
		1552	/* AT_CHAOS here is a weapon or monster. Spells are handled by hit_map
		1553	* If the attacktype still has chaos, shuffle it, then clear the Chaos bit
		1554	*/
		1555	if (type & AT_CHAOS)
		1556	{
		1557	shuffle_attack (op, 0); /*0 flag tells it to not change the face */
		1558	update_object (op, UP_OBJ_FACE);
		1559	type &= ~AT_CHAOS;
		1560	}
		1561
		1562	/* Holyword is really an attacktype modifier (like magic is). If
		1563	* holyword is part of an attacktype, then make sure the creature is
		1564	* a proper match, otherwise no damage.
		1565	*/
		1566	if (type & AT_HOLYWORD)
		1567	{
		1568	object *god;
		1569
		1570	if ((!hitter->slaying
		1571	|| (!(op->race && hitter->slaying.contains (op->race))
		1572	&& !(op->name && hitter->slaying.contains (op->name))))
		1573	&& (!QUERY_FLAG (op, FLAG_UNDEAD)
		1574	|| (hitter->title
		1575	&& (god = find_god (determine_god (hitter))) != NULL
		1576	&& god->race.contains (shstr_undead))))
		1577	return 0;
		1578	}
		1579
		1580	maxattacktype = type; /* initialise this to something */
		1581	for (attacknum = 0; attacknum < NROFATTACKS; attacknum++, attacktype = 1 << attacknum)
		1582	{
		1583	/* Magic isn't really a true attack type - it gets combined with other
		1584	* attack types. As such, skip it over. However, if magic is
		1585	* the only attacktype in the group, then still attack with it
		1586	*/
		1587	if ((attacktype == AT_MAGIC) && (type & ~AT_MAGIC))
		1588	continue;
		1589
		1590	/* Go through and hit the player with each attacktype, one by one.
		1591	* hit_player_attacktype only figures out the damage, doesn't inflict
		1592	* it. It will do the appropriate action for attacktypes with
		1593	* effects (slow, paralization, etc.
		1594	*/
		1595	if (type & attacktype)
		1596	{
		1597	ndam = hit_player_attacktype (op, hitter, dam, attacknum, magic);
		1598	/* the >= causes us to prefer messages from special attacks, if
		1599	* the damage is equal.
		1600	*/
		1601	if (ndam >= maxdam)
		1602	{
		1603	maxdam = ndam;
		1604	maxattacktype = 1 << attacknum;
		1605	}
		1606	}
		1607	}
		1608
		1609	/* if this is friendly fire then do a set % of damage only
		1610	* Note - put a check in to make sure this attack is actually
		1611	* doing damage - otherwise, the +1 in the code below will make
		1612	* an attack do damage before when it otherwise didn't
		1613	*/
		1614	friendlyfire = friendly_fire (op, hitter);
		1615	if (friendlyfire && maxdam)
		1616	{
		1617	maxdam = ((dam * settings.set_friendly_fire) / 100);
		1618
		1619	#ifdef ATTACK_DEBUG
		1620	LOG (llevDebug, "Friendly fire (type:%d setting: %d%) did %d damage dropped to %d\n",
		1621	friendlyfire, settings.set_friendly_fire, dam, maxdam);
		1622	#endif
		1623	}
		1624
		1625	if (!full_hit)
		1626	{
		1627	int area;
		1628	int remainder;
		1629
		1630	area = 0;
		1631
		1632	for (archetype *at = op->arch; at; at = (archetype *)at->more)
		1633	area++;
		1634
		1635	assert (area > 0);
		1636
		1637	/* basically: maxdam /= area; we try to "simulate" a float
		1638	value-effect */
		1639	remainder = 100 * (maxdam % area) / area;
		1640	maxdam /= area;
		1641	if (rndm (100) < remainder)
		1642	maxdam++;
		1643	}
		1644
		1645	#ifdef ATTACK_DEBUG
		1646	LOG (llevDebug, "Attacktype %d did %d damage\n", type, maxdam);
		1647	#endif
		1648
		1649	// for now, only do this for active objects, otherwise they
		1650	// keep a refcount for a long time and I see no usefulness
		1651	// for an non-active objetc to know its enemy.
		1652	if (op->active)
		1653	if (hitter->owner)
		1654	op->enemy = hitter->owner;
		1655	else if (QUERY_FLAG (hitter, FLAG_ALIVE))
		1656	op->enemy = hitter;
		1657
		1658	if (QUERY_FLAG (op, FLAG_UNAGGRESSIVE) && op->type != PLAYER)
		1659	{
		1660	/* The unaggressives look after themselves 8) */
		1661	CLEAR_FLAG (op, FLAG_UNAGGRESSIVE);
		1662	npc_call_help (op);
		1663	}
		1664
		1665	if (magic && did_make_save (op, op->level, 0))
		1666	maxdam = maxdam / 2;
		1667
		1668	attack_message (maxdam, maxattacktype, op, hitter);
		1669
		1670	op->stats.hp -= maxdam;
		1671
		1672	/* Eneq(@csd.uu.se): Check to see if monster runs away. */
		1673	if ((op->stats.hp >= 0) &&
		1674	(QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER) &&
		1675	op->stats.hp < (signed short) (((float) op->run_away / (float) 100) * (float) op->stats.maxhp))
		1676	{
		1677
		1678	if (QUERY_FLAG (op, FLAG_MONSTER))
		1679	SET_FLAG (op, FLAG_RUN_AWAY);
		1680	else
		1681	scare_creature (op, hitter);
		1682	}
		1683
		1684	if (QUERY_FLAG (op, FLAG_TEAR_DOWN))
		1685	{
		1686	if (maxdam)
		1687	tear_down_wall (op);
		1688
		1689	return maxdam; /* nothing more to do for wall */
		1690	}
		1691
		1692	/* See if the creature has been killed */
		1693	rtn_kill = kill_object (op, maxdam, hitter, type);
		1694	if (rtn_kill != -1)
		1695	return rtn_kill;
		1696
		1697	/* Used to be ghosthit removal - we now use the ONE_HIT flag. Note
		1698	* that before if the player was immune to ghosthit, the monster
		1699	* remained - that is no longer the case.
		1700	*/
		1701	if (QUERY_FLAG (hitter, FLAG_ONE_HIT))
		1702	hitter->drop_and_destroy ();
		1703	/* Lets handle creatures that are splitting now */
		1704	else if (type & AT_PHYSICAL && !QUERY_FLAG (op, FLAG_FREED) && QUERY_FLAG (op, FLAG_SPLITTING))
		1705	{
		1706	int i;
		1707	int friendly = QUERY_FLAG (op, FLAG_FRIENDLY);
		1708	int unaggressive = QUERY_FLAG (op, FLAG_UNAGGRESSIVE);
		1709	object *owner = op->owner;
		1710
		1711	if (!op->other_arch)
		1712	{
		1713	LOG (llevError, "SPLITTING without other_arch error.\n");
		1714	return maxdam;
		1715	}
		1716
		1717	op->remove ();
		1718
		1719	for (i = 0; i < op->stats.food; i++)
		1720	{ /* This doesn't handle op->more yet */
		1721	object *tmp = arch_to_object (op->other_arch);
		1722	int j;
		1723
		1724	tmp->stats.hp = op->stats.hp;
		1725
		1726	if (friendly)
		1727	{
		1728	add_friendly_object (tmp);
		1729	tmp->attack_movement = PETMOVE;
		1730
		1731	if (owner)
		1732	tmp->set_owner (owner);
		1733	}
		1734
		1735	if (unaggressive)
		1736	SET_FLAG (tmp, FLAG_UNAGGRESSIVE);
		1737
		1738	j = find_first_free_spot (tmp, op->map, op->x, op->y);
		1739
		1740	if (j == -1) /* No spot to put this monster */
		1741	tmp->destroy ();
		1742	else
		1743	{
		1744	tmp->x = op->x + freearr_x[j], tmp->y = op->y + freearr_y[j];
		1745	insert_ob_in_map (tmp, op->map, NULL, 0);
		1746	}
		1747	}
		1748
		1749	op->destroy ();
		1750	}
		1751	else if (type & AT_DRAIN && hitter->type == GRIMREAPER && hitter->value++ > 10)
		1752	hitter->drop_and_destroy ();
		1753
		1754	return maxdam;
		1755	}
		1756
		1757	static void
		1758	poison_player (object *op, object *hitter, int dam)
		1759	{
		1760	archetype *at = archetype::find (shstr_poisoning);
		1761	object *tmp = present_arch_in_ob (at, op);
		1762
		1763	if (tmp == NULL)
		1764	{
		1765	if ((tmp = arch_to_object (at)) == NULL)
		1766	LOG (llevError, "Failed to clone arch poisoning.\n");
		1767	else
		1768	{
		1769	tmp = insert_ob_in_ob (tmp, op);
		1770	/* peterm: give poisoning some teeth. It should
		1771	* be able to kill things better than it does:
		1772	* damage should be dependent something--I choose to
		1773	* do this: if it's a monster, the damage from the
		1774	* poisoning goes as the level of the monster/2.
		1775	* If anything else, goes as damage.
		1776	*/
		1777
		1778	if (QUERY_FLAG (hitter, FLAG_ALIVE))
		1779	tmp->stats.dam += hitter->level / 2;
		1780	else
		1781	tmp->stats.dam = dam;
		1782
		1783	tmp->set_owner (hitter); /* so we get credit for poisoning kills */
		1784	if (hitter->skill && hitter->skill != tmp->skill)
		1785	{
		1786	tmp->skill = hitter->skill;
		1787	}
		1788
		1789	tmp->stats.food += dam; /* more damage, longer poisoning */
		1790
		1791	if (op->type == PLAYER)
		1792	{
		1793	/* player looses stats, maximum is -10 of each */
		1794	tmp->stats.Con = max (-(dam / 4 + 1), -10);
		1795	tmp->stats.Str = max (-(dam / 3 + 2), -10);
		1796	tmp->stats.Dex = max (-(dam / 6 + 1), -10);
		1797	tmp->stats.Int = max (-(dam / 7 ), -10);
		1798	SET_FLAG (tmp, FLAG_APPLIED);
		1799	op->update_stats ();
		1800	new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very ill.");
		1801	op->play_sound (tmp->sound);
		1802	}
		1803
		1804	if (hitter->type == PLAYER)
		1805	new_draw_info_format (NDI_UNIQUE, 0, hitter, "You poison %s.", &op->name);
		1806	else if (hitter->owner != NULL && hitter->owner->type == PLAYER)
		1807	new_draw_info_format (NDI_UNIQUE, 0, hitter->owner, "Your %s poisons %s.", &hitter->name, &op->name);
		1808	}
		1809
		1810	tmp->speed_left = 0;
		1811	}
		1812	else
		1813	tmp->stats.food++;
		1814	}
		1815
		1816	static void
		1817	slow_player (object *op, object *hitter, int dam)
		1818	{
		1819	archetype *at = archetype::find (shstr_slowness);
		1820	object *tmp;
		1821
		1822	if (at == NULL)
		1823	LOG (llevError, "Can't find slowness archetype.\n");
		1824
		1825	if ((tmp = present_arch_in_ob (at, op)) == NULL)
		1826	{
		1827	tmp = arch_to_object (at);
		1828	tmp = insert_ob_in_ob (tmp, op);
		1829	new_draw_info (NDI_UNIQUE, 0, op, "The world suddenly moves very fast!");
		1830	}
		1831	else
		1832	tmp->stats.food++;
		1833
1060	SET_FLAG (target, FLAG_SCARED);	1834	SET_FLAG (tmp, FLAG_APPLIED);
1061	if (!target->enemy)	1835	tmp->speed_left = 0;
1062	target->enemy = owner;	1836	op->update_stats ();
		1837	}
		1838
		1839	void
		1840	confuse_player (object *op, object *hitter, int dam)
		1841	{
		1842	object *tmp;
		1843	int maxduration;
		1844
		1845	tmp = present_in_ob_by_name (FORCE, shstr_confusion, op);
		1846	if (!tmp)
		1847	{
		1848	tmp = get_archetype (FORCE_NAME);
		1849	tmp = insert_ob_in_ob (tmp, op);
		1850	}
		1851
		1852	/* Duration added per hit and max. duration of confusion both depend
		1853	* on the player's resistance
		1854	*/
		1855	tmp->speed = 0.05;
		1856	tmp->subtype = FORCE_CONFUSION;
		1857	tmp->duration = 8 + max (1, 5 * (100 - op->resist[ATNR_CONFUSION]) / 100);
		1858	tmp->name = shstr_confusion;
		1859	maxduration = max (2, 30 * (100 - op->resist[ATNR_CONFUSION]) / 100);
		1860
		1861	if (tmp->duration > maxduration)
		1862	tmp->duration = maxduration;
		1863
		1864	if (op->type == PLAYER && !QUERY_FLAG (op, FLAG_CONFUSED))
		1865	new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very confused!");
		1866
		1867	SET_FLAG (op, FLAG_CONFUSED);
		1868	}
		1869
		1870	void
		1871	blind_player (object *op, object *hitter, int dam)
		1872	{
		1873	object *tmp, *owner;
		1874
		1875	/* Save some work if we know it isn't going to affect the player */
		1876	if (op->resist[ATNR_BLIND] == 100)
		1877	return;
		1878
		1879	tmp = present_in_ob (BLINDNESS, op);
		1880	if (!tmp)
		1881	{
		1882	tmp = get_archetype (shstr_blindness);
		1883	SET_FLAG (tmp, FLAG_BLIND);
		1884	SET_FLAG (tmp, FLAG_APPLIED);
		1885	/* use floats so we don't lose too much precision due to rounding errors.
		1886	* speed is a float anyways.
		1887	*/
		1888	tmp->speed = tmp->speed * (100.0 - (float) op->resist[ATNR_BLIND]) / 100;
		1889
		1890	tmp = insert_ob_in_ob (tmp, op);
		1891	change_abil (op, tmp); /* Mostly to display any messages */
		1892	op->update_stats (); /* This takes care of some other stuff */
		1893
		1894	if (hitter->owner)
		1895	owner = hitter->owner;
		1896	else
		1897	owner = hitter;
		1898
		1899	new_draw_info_format (NDI_UNIQUE, 0, owner, "Your attack blinds %s!", query_name (op));
		1900	}
		1901	tmp->stats.food += dam;
		1902	if (tmp->stats.food > 10)
		1903	tmp->stats.food = 10;
		1904	}
		1905
		1906	void
		1907	paralyze_player (object *op, object *hitter, int dam)
		1908	{
		1909	/* This is strange stuff... someone knows for what this is
		1910	* written? Well, i think this can and should be removed
		1911	*/
		1912
		1913	/*
		1914	if((tmp=present(PARAIMAGE,op->map,op->x,op->y))==NULL) {
		1915	tmp=clone_arch(PARAIMAGE);
		1916	tmp->x=op->x,tmp->y=op->y;
		1917	insert_ob_in_map(tmp,op->map,tmp,INS_NO_MERGE | INS_NO_WALK_ON);
		1918	}
		1919	*/
		1920
		1921	/* Do this as a float - otherwise, rounding might very well reduce this to 0 */
		1922	float effect = dam * 3.f * (100.f - op->resist[ATNR_PARALYZE]) / 100.f;
		1923
		1924	op->speed_left -= fabs (op->speed) * effect;
		1925	/* tmp->stats.food+=(signed short) effect/op->speed; */
		1926
		1927	/* max number of ticks to be affected for. */
		1928	float max = (100 - op->resist[ATNR_PARALYZE]) / 2;
		1929
		1930	if (op->speed_left < -(fabs (op->speed) * max))
		1931	op->speed_left = -(fabs (op->speed) * max);
		1932
		1933	/* tmp->stats.food = (signed short) (max / fabs (op->speed)); */
		1934	}
		1935
		1936	/* Attempts to kill 'op'. hitter is the attack object, dam is
		1937	* the computed damaged.
		1938	*/
		1939	static void
		1940	deathstrike_player (object *op, object *hitter, int *dam)
		1941	{
		1942	/* The intention of a death attack is to kill outright things
		1943	** that are a lot weaker than the attacker, have a chance of killing
		1944	** things somewhat weaker than the caster, and no chance of
		1945	** killing something equal or stronger than the attacker.
		1946	** Also, if a deathstrike attack has a slaying, any monster
		1947	** whose name or race matches a comma-delimited list in the slaying
		1948	** field of the deathstriking object */
		1949
		1950	int atk_lev, def_lev, kill_lev;
		1951
		1952	if (hitter->slaying)
		1953	if (!((QUERY_FLAG (op, FLAG_UNDEAD) && hitter->slaying.contains (shstr_undead))
		1954	|| (op->race && hitter->slaying.contains (op->race))))
		1955	return;
		1956
		1957	def_lev = op->level;
		1958	if (def_lev < 1)
		1959	{
		1960	LOG (llevError, "BUG: arch %s with level < 1 (%s)\n", &op->arch->archname, op->debug_desc ());
		1961	def_lev = 1;
		1962	}
		1963
		1964	atk_lev = (hitter->chosen_skill ? hitter->chosen_skill->level : hitter->level) / 2;
		1965	/* LOG(llevDebug,"Deathstrike - attack level %d, defender level %d\n",
		1966	atk_lev, def_lev); */
		1967
		1968	if (atk_lev >= def_lev)
		1969	{
		1970	kill_lev = random_roll (0, atk_lev - 1, hitter, PREFER_HIGH);
		1971
		1972	/* Note that the below effectively means the ratio of the atk vs
		1973	* defener level is important - if level 52 character has very little
		1974	* chance of killing a level 50 monster. This should probably be
		1975	* redone.
		1976	*/
		1977	if (kill_lev >= def_lev)
		1978	{
		1979	*dam = op->stats.hp + 10; /* take all hp. they can still save for 1/2 */
		1980	/* I think this doesn't really do much. Because of
		1981	* integer rounding, this only makes any difference if the
		1982	* attack level is double the defender level.
		1983	*/
		1984	*dam *= kill_lev / def_lev;
		1985	}
		1986	}
		1987	else
		1988	*dam = 0; /* no harm done */
1063	}	1989	}
1064		1990
1065	/* This returns the amount of damage hitter does to op with the	1991	/* This returns the amount of damage hitter does to op with the
1066	* appropriate attacktype. Only 1 attacktype should be set at a time.	1992	* appropriate attacktype. Only 1 attacktype should be set at a time.
1067	* This doesn't damage the player, but returns how much it should	1993	* This doesn't damage the player, but returns how much it should
…		…
1092	if (attacknum == ATNR_INTERNAL)	2018	if (attacknum == ATNR_INTERNAL)
1093	return dam;	2019	return dam;
1094		2020
1095	if (hitter->slaying)	2021	if (hitter->slaying)
1096	{	2022	{
1097	if ((op->race && strstr (hitter->slaying, op->race))	2023	if ((op->race && hitter->slaying.contains (op->race))
1098	|| (op->arch && op->arch->archname && strstr (op->arch->archname, hitter->slaying)))	2024	|| (op->arch && op->arch->archname.contains (hitter->slaying)))
1099	{	2025	{
1100	doesnt_slay = 0;	2026	doesnt_slay = 0;
1101	dam *= 3;	2027	dam *= 3;
1102	}	2028	}
1103	}	2029	}
…		…
1149	case ATNR_BLIND:	2075	case ATNR_BLIND:
1150	{	2076	{
1151	/* chance for inflicting a special attack depends on the	2077	/* chance for inflicting a special attack depends on the
1152	* difference between attacker's and defender's level	2078	* difference between attacker's and defender's level
1153	*/	2079	*/
1154	int level_diff = MIN (110, MAX (0, op->level - hitter->level));	2080	int level_diff = min (110, max (0, op->level - hitter->level));
1155		2081
1156	/* First, only creatures/players with speed can be affected.	2082	/* First, only creatures/players with speed can be affected.
1157	* Second, just getting hit doesn't mean it always affects	2083	* Second, just getting hit doesn't mean it always affects
1158	* you. Third, you still get a saving through against the	2084	* you. Third, you still get a saving through against the
1159	* effect.	2085	* effect.
1160	*/	2086	*/
1161	if (op->speed &&	2087	if (op->has_active_speed ()
1162	(QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER) &&	2088	&& (QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER)
		2089	&& !(rndm (0, (attacknum == ATNR_SLOW ? 6 : 3) - 1))
1163	!(rndm (0, (attacknum == ATNR_SLOW ? 6 : 3) - 1)) && !did_make_save (op, level_diff, op->resist[attacknum] / 10))	2090	&& !did_make_save (op, level_diff, op->resist[attacknum] / 10))
1164	{	2091	{
1165		2092
1166	/* Player has been hit by something */	2093	/* Player has been hit by something */
1167	if (attacknum == ATNR_CONFUSION)	2094	if (attacknum == ATNR_CONFUSION)
1168	confuse_player (op, hitter, dam);	2095	confuse_player (op, hitter, dam);
…		…
1216		2143
1217	/* High damage acid has better chance of corroding	2144	/* High damage acid has better chance of corroding
1218	objects */	2145	objects */
1219	if (rndm (0, dam + 4) > random_roll (0, 39, op, PREFER_HIGH) + 2 * tmp->magic)	2146	if (rndm (0, dam + 4) > random_roll (0, 39, op, PREFER_HIGH) + 2 * tmp->magic)
1220	{	2147	{
1221	if (op->type == PLAYER)
1222	/* Make this more visible */
1223	new_draw_info_format (NDI_UNIQUE | NDI_RED, 0, op,
1224	"The %s's acid corrodes your %s!", query_name (hitter), query_name (tmp));
1225	flag = 1;	2148	flag = 1;
1226	tmp->magic--;	2149	tmp->magic--;
1227	if (op->type == PLAYER)	2150
1228	esrv_send_item (op, tmp);	2151	if (object *pl = tmp->visible_to ())
		2152	{
		2153	/* Make this more visible */
		2154	new_draw_info_format (NDI_UNIQUE | NDI_RED, 0, pl,
		2155	"The %s's acid corrodes your %s!", query_name (hitter), query_name (tmp));
		2156
		2157	esrv_send_item (op, tmp); //TODO: UPD_NAME should be enough (it's enough in other cases)
		2158	}
1229	}	2159	}
1230	}	2160	}
1231		2161
1232	if (flag)	2162	if (flag)
1233	op->update_stats (); /* Something was corroded */	2163	op->update_stats (); /* Something was corroded */
…		…
1302	object *god = find_god (determine_god (owner));	2232	object *god = find_god (determine_god (owner));
1303	int div = 1;	2233	int div = 1;
1304		2234
1305	/* if undead are not an enemy of your god, you turn them	2235	/* if undead are not an enemy of your god, you turn them
1306	* at half strength */	2236	* at half strength */
1307	if (!god || !god->slaying || strstr (god->slaying, shstr_undead) == NULL)	2237	if (!god || !god->slaying.contains (shstr_undead))
1308	div = 2;	2238	div = 2;
1309		2239
1310	/* Give a bonus if you resist turn undead */	2240	/* Give a bonus if you resist turn undead */
1311	if (op->level * div < (turn_bonus[owner->stats.Wis] + owner->level + (op->resist[ATNR_TURN_UNDEAD] / 100)))	2241	if (op->level * div < (turn_bonus[owner->stats.Wis] + owner->level + (op->resist[ATNR_TURN_UNDEAD] / 100)))
1312	scare_creature (op, owner);	2242	scare_creature (op, owner);
…		…
1384	}	2314	}
1385		2315
1386	return dam;	2316	return dam;
1387	}	2317	}
1388		2318
1389	/* GROS: This code comes from hit_player. It has been made external to
1390	* allow script procedures to "kill" objects in a combat-like fashion.
1391	* It was initially used by (kill-object) developed for the Collector's
1392	* Sword. Note that nothing has been changed from the original version
1393	* of the following code.
1394	* op is what is being killed.
1395	* dam is the damage done to it.
1396	* hitter is what is hitting it.
1397	* type is the attacktype.
1398	*
1399	* This function was a bit of a mess with hitter getting changed,
1400	* values being stored away but not used, etc. I've cleaned it up
1401	* a bit - I think it should be functionally equivalant.
1402	* MSW 2002-07-17
1403	*/
1404	int
1405	kill_object (object *op, int dam, object *hitter, int type)
1406	{
1407	char buf[MAX_BUF];
1408	const char *skill;
1409	int maxdam = 0;
1410	int battleg = 0; /* true if op standing on battleground */
1411	int pk = 0; /* true if op and what controls hitter are both players */
1412	object *owner = 0;
1413	object *skop = 0;
1414
1415	if (op->stats.hp >= 0)
1416	return -1;
1417
1418	if (INVOKE_OBJECT (KILL, op, ARG_OBJECT (hitter)))
1419	return 0;
1420
1421	/* maxdam needs to be the amount of damage it took to kill
1422	* this creature. The function(s) that call us have already
1423	* adjusted the creatures HP total, so that is negative.
1424	*/
1425	maxdam = dam + op->stats.hp + 1;
1426
1427	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW))
1428	update_all_los (op->map, op->x, op->y); /* makes sure los will be recalculated */
1429
1430	if (op->type == DOOR)
1431	{
1432	op->set_speed (0.1f);
1433	op->speed_left = -0.05f;
1434	return maxdam;
1435	}
1436
1437	if (QUERY_FLAG (op, FLAG_FRIENDLY) && op->type != PLAYER)
1438	{
1439	op->destroy ();
1440	return maxdam;
1441	}
1442
1443	/* Now lets start dealing with experience we get for killing something */
1444
1445	owner = hitter->owner;
1446	if (!owner)
1447	owner = hitter;
1448
1449	/* is the victim (op) standing on battleground? */
1450	if (op_on_battleground (op, NULL, NULL))
1451	battleg = 1;
1452
1453	/* is this player killing? */
1454	if (op->type == PLAYER && owner->type == PLAYER)
1455	pk = 1;
1456
1457	/* Player killed something */
1458	if (owner->type == PLAYER)
1459	{
1460	Log_Kill (owner->name,
1461	query_name (op), op->type, (owner != hitter) ? query_name (hitter) : NULL, (owner != hitter) ? hitter->type : 0);
1462
1463	/* Log players killing other players - makes it easier to detect
1464	* and filter out malicious player killers - that is why the
1465	* ip address is included.
1466	*/
1467	if (op->type == PLAYER && !battleg)
1468	{
1469	time_t t = time (NULL);
1470	struct tm *tmv;
1471	char buf[256];
1472
1473	tmv = localtime (&t);
1474	strftime (buf, 256, "%a %b %d %H:%M:%S %Y", tmv);
1475
1476	LOG (llevInfo, "%s PLAYER_KILL_PLAYER: %s (%s) killed %s\n", buf, &owner->name, owner->contr->ns->host, query_name (op));
1477	}
1478
1479	/* try to filter some things out - basically, if you are
1480	* killing a level 1 creature and your level 20, you
1481	* probably don't want to see that.
1482	*/
1483	if (owner->level < op->level * 2 || op->stats.exp > 1000)
1484	{
1485	if (owner != hitter)
1486	new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s with %s.", query_name (op), query_name (hitter));
1487	else
1488	new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s.", query_name (op));
1489
1490	/* Only play sounds for melee kills */
1491	if (hitter->type == PLAYER)
1492	owner->play_sound (sound_find ("player_kills"));
1493	}
1494
1495	/* If a player kills another player, not on
1496	* battleground, the "killer" looses 1 luck. Since this is
1497	* not reversible, it's actually quite a pain IMHO. -AV
1498	* Fix bug in that we were changing the luck of the hitter, not
1499	* player that the object belonged to - so if you killed another player
1500	* with spells, pets, whatever, there was no penalty.
1501	* Changed to make luck penalty configurable in settings.
1502	*/
1503	if (op->type == PLAYER && owner != op && !battleg)
1504	owner->change_luck (-settings.pk_luck_penalty);
1505
1506	/* This code below deals with finding the appropriate skill
1507	* to credit exp to. This is a bit problematic - we should
1508	* probably never really have to look at current_weapon->skill
1509	*/
1510	skill = 0;
1511
1512	if (hitter->skill && hitter->type != PLAYER)
1513	skill = hitter->skill;
1514	else if (owner->chosen_skill)
1515	{
1516	skop = owner->chosen_skill;
1517	skill = skop->skill;
1518	}
1519	else if (QUERY_FLAG (owner, FLAG_READY_WEAPON))
1520	skill = owner->current_weapon->skill;
1521	else
1522	LOG (llevError, "kill_object - unable to find skill that killed monster\n");
1523
1524	/* We have the skill we want to credit to - now find the object this goes
1525	* to. Make sure skop is an actual skill, and not a skill tool!
1526	*/
1527	if ((!skop || skop->type != SKILL) && skill)
1528	{
1529	int i;
1530
1531	for (i = 0; i < NUM_SKILLS; i++)
1532	if (owner->contr->last_skill_ob[i] && !strcmp (owner->contr->last_skill_ob[i]->skill, skill))
1533	{
1534	skop = owner->contr->last_skill_ob[i];
1535	break;
1536	}
1537	}
1538	} /* Was it a player that hit somethign */
1539	else
1540	skill = 0;
1541
1542	/* Pet (or spell) killed something. */
1543	if (owner != hitter)
1544	sprintf (buf, "%s killed %s with %s%s%s.", &owner->name,
1545	query_name (op), query_name (hitter), battleg ? " (duel)" : "", pk ? " (pk)" : "");
1546	else
1547	sprintf (buf, "%s killed %s%s%s%s.", &hitter->name, &op->name,
1548	(QUERY_FLAG (hitter, FLAG_MONSTER)) || hitter->type == PLAYER ?
1549	" in hand to hand combat" : "", battleg ? " (duel)" : "", pk ? " (pk)" : "");
1550
1551	/* These may have been set in the player code section above */
1552	if (!skop)
1553	skop = hitter->chosen_skill;
1554
1555	if (!skill && skop)
1556	skill = skop->skill;
1557
1558	new_draw_info (NDI_ALL, op->type == PLAYER ? 1 : 10, NULL, buf);
1559
1560	/* If you didn't kill yourself, and your not the wizard */
1561	if (owner != op && !QUERY_FLAG (op, FLAG_WIZ))
1562	{
1563	int exp;
1564
1565	/* Really don't give much experience for killing other players */
1566	// schmorp: temporarily? reduce the amount of exp gained for pking enourmously
1567	if (op->type == PLAYER)
1568	{
1569	if (battleg)
1570	{
1571	new_draw_info (NDI_UNIQUE, 0, owner, "Your foe has fallen!");
1572	new_draw_info (NDI_UNIQUE, 0, owner, "VICTORY!!!");
1573	}
1574	else
1575	exp = op->stats.exp / 1000;
1576	}
1577	else
1578	exp = calc_skill_exp (owner, op, skop);
1579
1580	/* if op is standing on "battleground" (arena), no way to gain
1581	* exp by killing him
1582	*/
1583	if (battleg)
1584	exp = 0;
1585
1586	/* Don't know why this is set this way - doesn't make
1587	* sense to just divide everything by two for no reason.
1588	*/
1589
1590	if (!settings.simple_exp)
1591	exp = exp / 2;
1592
1593	if (owner->type != PLAYER || owner->contr->party == NULL)
1594	change_exp (owner, exp, skill, 0);
1595	else
1596	{
1597	int shares = 0, count = 0;
1598	partylist *party = owner->contr->party;
1599
1600	add_kill_to_party (party, query_name (owner), query_name (op), exp);
1601
1602	for_all_players (pl)
1603	if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1604	{
1605	count++;
1606	shares += (pl->ob->level + 4);
1607	}
1608
1609	if (count == 1 || shares > exp || !shares)
1610	change_exp (owner, exp, skill, SK_EXP_TOTAL);
1611	else
1612	{
1613	int share = exp / shares, given = 0, nexp;
1614
1615	for_all_players (pl)
1616	if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1617	{
1618	nexp = (pl->ob->level + 4) * share;
1619	change_exp (pl->ob, nexp, skill, SK_EXP_TOTAL);
1620	given += nexp;
1621	}
1622
1623	exp -= given;
1624	/* give any remainder to the player */
1625	change_exp (owner, exp, skill, SK_EXP_ADD_SKILL);
1626	}
1627	} /* else part of a party */
1628	} /* end if person didn't kill himself */
1629
1630	if (op->type != PLAYER)
1631	{
1632	if (QUERY_FLAG (op, FLAG_FRIENDLY))
1633	{
1634	object *owner1 = op->owner;
1635
1636	if (owner1 && owner1->type == PLAYER)
1637	{
1638	owner1->contr->play_sound (sound_find ("pet_is_killed"));
1639	/* Maybe we should include the owner that killed this, maybe not */
1640	new_draw_info_format (NDI_UNIQUE, 0, owner1, "Your pet, the %s, is killed by %s.", &op->name, &hitter->name);
1641	}
1642
1643	remove_friendly_object (op);
1644	}
1645
1646	op->destroy ();
1647	}
1648	else
1649	{
1650	/* Player has been killed! */
1651	if (owner->type == PLAYER)
1652	snprintf (op->contr->killer, sizeof (op->contr->killer), "%s the %s", &owner->name, owner->contr->title);
1653	else
1654	assign (op->contr->killer, hitter->name);
1655	}
1656
1657	/* This was return -1 - that doesn't seem correct - if we return -1, process
1658	* continues in the calling function.
1659	*/
1660	return maxdam;
1661	}
1662
1663	/* Find out if this is friendly fire (PVP and attacker is peaceful) or not
1664	* Returns 0 this is not friendly fire
1665	*/
1666	int
1667	friendly_fire (object *op, object *hitter)
1668	{
1669	object *owner;
1670	int friendlyfire;
1671
1672	if (hitter->head)
1673	hitter = hitter->head;
1674
1675	friendlyfire = 0;
1676
1677	if (op->type == PLAYER)
1678	{
1679	if (op_on_battleground (hitter, 0, 0))
1680	return 0;
1681
1682	if (hitter->type == PLAYER && hitter->contr->peaceful == 1)
1683	return 1;
1684
1685	if ((owner = hitter->owner) != NULL)
1686	{
1687	if (owner->type == PLAYER && owner->contr->peaceful == 1)
1688	friendlyfire = 2;
1689	}
1690
1691	if (hitter->type == SPELL || hitter->type == POISONING || hitter->type == DISEASE || hitter->type == RUNE)
1692	friendlyfire = 0;
1693	}
1694
1695	return friendlyfire;
1696	}
1697
1698	/* This isn't used just for players, but in fact most objects.
1699	* op is the object to be hit, dam is the amount of damage, hitter
1700	* is what is hitting the object, type is the attacktype, and
1701	* full_hit is set if monster area does not matter.
1702	* dam is base damage - protections/vulnerabilities/slaying matches can
1703	* modify it.
1704	*/
1705	/* Oct 95 - altered the following slightly for MULTIPLE_GODS hack
1706	* which needs new attacktype AT_HOLYWORD to work . b.t. */
1707	int
1708	hit_player (object *op, int dam, object *hitter, int type, int full_hit)
1709	{
1710	int maxdam = 0, ndam = 0, attacktype = 1, magic = (type & AT_MAGIC);
1711	int maxattacktype, attacknum;
1712	int body_attack = op && op->head; /* Did we hit op's head? */
1713	int simple_attack;
1714	int rtn_kill = 0;
1715	int friendlyfire;
1716
1717	if (get_attack_mode (&op, &hitter, &simple_attack))
1718	return 0;
1719
1720	/* very simple: if our target has no_damage 1 set or is wiz, we can't hurt him */
1721	if (QUERY_FLAG (op, FLAG_WIZ) || QUERY_FLAG (op, FLAG_NO_DAMAGE))
1722	return 0;
1723
1724	// only allow pk for hostile players
1725	if (op->type == PLAYER)
1726	{
1727	object *owner = hitter->owner;
1728
1729	if (!owner)
1730	owner = hitter;
1731
1732	if (owner->type == PLAYER
1733	&& (!op_on_battleground (op, 0, 0)
1734	&& (op->contr->peaceful || owner->contr->peaceful))
1735	&& op != owner)
1736	return 0;
1737	}
1738
1739	if (body_attack)
1740	{
1741	/* slow and paralyze must hit the head. But we don't want to just
1742	* return - we still need to process other attacks the spell still
1743	* might have. So just remove the paralyze and slow attacktypes,
1744	* and keep on processing if we have other attacktypes.
1745	* return if only magic or nothing is left - under normal code
1746	* we don't attack with pure magic if there is another attacktype.
1747	* Only do processing if the initial attacktype includes one of those
1748	* attack so we don't cancel out things like magic bullet.
1749	*/
1750	if (type & (AT_PARALYZE | AT_SLOW))
1751	{
1752	type &= ~(AT_PARALYZE | AT_SLOW);
1753
1754	if (!type || type == AT_MAGIC)
1755	return 0;
1756	}
1757	}
1758
1759	if (!simple_attack && op->type == DOOR)
1760	{
1761	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1762	if (tmp->type == RUNE || tmp->type == TRAP)
1763	{
1764	spring_trap (tmp, hitter);
1765
1766	if (hitter->destroyed () || op->destroyed () || abort_attack (op, hitter, simple_attack))
1767	return 0;
1768
1769	break;
1770	}
1771	}
1772
1773	if (!QUERY_FLAG (op, FLAG_ALIVE) || op->stats.hp < 0)
1774	{
1775	/* FIXME: If a player is killed by a rune in a door, the
1776	* destroyed() check above doesn't return, and might get here.
1777	*/
1778
1779	/* FIXME: This for example happens when a dead door is on a mover and
1780	gets it's speed_left raised on each mover-tick.
1781	Doors are removed in a kinda funny way by giving them speed and speed_left
1782	and waiting for that to run out.
1783	*/
1784	LOG (llevDebug, "victim %s (%d) already dead in hit_player()\n", op->debug_desc (), op->stats.hp);
1785	return 0;
1786	}
1787
1788	#ifdef ATTACK_DEBUG
1789	LOG (llevDebug, "hit player: attacktype %d, dam %d\n", type, dam);
1790	#endif
1791
1792	if (magic)
1793	{
1794	/* basically: dam = dam*(100-op->resist[attacknum])/100;
1795	* in case 0>dam>1, we try to "simulate" a float value-effect */
1796	dam = dam * (100 - op->resist[ATNR_MAGIC]);
1797	if (dam >= 100)
1798	dam /= 100;
1799	else
1800	dam = (dam > rndm (0, 99)) ? 1 : 0;
1801	}
1802
1803	/* AT_CHAOS here is a weapon or monster. Spells are handled by hit_map
1804	* If the attacktype still has chaos, shuffle it, then clear the Chaos bit
1805	*/
1806	if (type & AT_CHAOS)
1807	{
1808	shuffle_attack (op, 0); /*0 flag tells it to not change the face */
1809	update_object (op, UP_OBJ_FACE);
1810	type &= ~AT_CHAOS;
1811	}
1812
1813	/* Holyword is really an attacktype modifier (like magic is). If
1814	* holyword is part of an attacktype, then make sure the creature is
1815	* a proper match, otherwise no damage.
1816	*/
1817	if (type & AT_HOLYWORD)
1818	{
1819	object *god;
1820
1821	if ((!hitter->slaying ||
1822	(!(op->race && strstr (hitter->slaying, op->race)) &&
1823	!(op->name && strstr (hitter->slaying, op->name)))) &&
1824	(!QUERY_FLAG (op, FLAG_UNDEAD) ||
1825	(hitter->title != NULL
1826	&& (god = find_god (determine_god (hitter))) != NULL && god->race != NULL && strstr (god->race, shstr_undead) != NULL)))
1827	return 0;
1828	}
1829
1830	maxattacktype = type; /* initialise this to something */
1831	for (attacknum = 0; attacknum < NROFATTACKS; attacknum++, attacktype = 1 << attacknum)
1832	{
1833	/* Magic isn't really a true attack type - it gets combined with other
1834	* attack types. As such, skip it over. However, if magic is
1835	* the only attacktype in the group, then still attack with it
1836	*/
1837	if ((attacktype == AT_MAGIC) && (type & ~AT_MAGIC))
1838	continue;
1839
1840	/* Go through and hit the player with each attacktype, one by one.
1841	* hit_player_attacktype only figures out the damage, doesn't inflict
1842	* it. It will do the appropriate action for attacktypes with
1843	* effects (slow, paralization, etc.
1844	*/
1845	if (type & attacktype)
1846	{
1847	ndam = hit_player_attacktype (op, hitter, dam, attacknum, magic);
1848	/* the >= causes us to prefer messages from special attacks, if
1849	* the damage is equal.
1850	*/
1851	if (ndam >= maxdam)
1852	{
1853	maxdam = ndam;
1854	maxattacktype = 1 << attacknum;
1855	}
1856	}
1857	}
1858
1859	/* if this is friendly fire then do a set % of damage only
1860	* Note - put a check in to make sure this attack is actually
1861	* doing damage - otherwise, the +1 in the code below will make
1862	* an attack do damage before when it otherwise didn't
1863	*/
1864	friendlyfire = friendly_fire (op, hitter);
1865	if (friendlyfire && maxdam)
1866	{
1867	maxdam = ((dam * settings.set_friendly_fire) / 100);
1868
1869	#ifdef ATTACK_DEBUG
1870	LOG (llevDebug, "Friendly fire (type:%d setting: %d%) did %d damage dropped to %d\n",
1871	friendlyfire, settings.set_friendly_fire, dam, maxdam);
1872	#endif
1873	}
1874
1875	if (!full_hit)
1876	{
1877	int area;
1878	int remainder;
1879
1880	area = 0;
1881
1882	for (archetype *at = op->arch; at; at = (archetype *)at->more)
1883	area++;
1884
1885	assert (area > 0);
1886
1887	/* basically: maxdam /= area; we try to "simulate" a float
1888	value-effect */
1889	remainder = 100 * (maxdam % area) / area;
1890	maxdam /= area;
1891	if (rndm (100) < remainder)
1892	maxdam++;
1893	}
1894
1895	#ifdef ATTACK_DEBUG
1896	LOG (llevDebug, "Attacktype %d did %d damage\n", type, maxdam);
1897	#endif
1898
1899	// for now, only do this for active objects, otherwise they
1900	// keep a refcount for a long time and I see no usefulness
1901	// for an non-active objetc to know its enemy.
1902	if (op->active)
1903	if (hitter->owner)
1904	op->enemy = hitter->owner;
1905	else if (QUERY_FLAG (hitter, FLAG_ALIVE))
1906	op->enemy = hitter;
1907
1908	if (QUERY_FLAG (op, FLAG_UNAGGRESSIVE) && op->type != PLAYER)
1909	{
1910	/* The unaggressives look after themselves 8) */
1911	CLEAR_FLAG (op, FLAG_UNAGGRESSIVE);
1912	npc_call_help (op);
1913	}
1914
1915	if (magic && did_make_save (op, op->level, 0))
1916	maxdam = maxdam / 2;
1917
1918	attack_message (maxdam, maxattacktype, op, hitter);
1919
1920	op->stats.hp -= maxdam;
1921
1922	/* Eneq(@csd.uu.se): Check to see if monster runs away. */
1923	if ((op->stats.hp >= 0) &&
1924	(QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER) &&
1925	op->stats.hp < (signed short) (((float) op->run_away / (float) 100) * (float) op->stats.maxhp))
1926	{
1927
1928	if (QUERY_FLAG (op, FLAG_MONSTER))
1929	SET_FLAG (op, FLAG_RUN_AWAY);
1930	else
1931	scare_creature (op, hitter);
1932	}
1933
1934	if (QUERY_FLAG (op, FLAG_TEAR_DOWN))
1935	{
1936	if (maxdam)
1937	tear_down_wall (op);
1938
1939	return maxdam; /* nothing more to do for wall */
1940	}
1941
1942	/* See if the creature has been killed */
1943	rtn_kill = kill_object (op, maxdam, hitter, type);
1944	if (rtn_kill != -1)
1945	return rtn_kill;
1946
1947
1948	/* Used to be ghosthit removal - we now use the ONE_HIT flag. Note
1949	* that before if the player was immune to ghosthit, the monster
1950	* remained - that is no longer the case.
1951	*/
1952	if (QUERY_FLAG (hitter, FLAG_ONE_HIT))
1953	hitter->destroy ();
1954
1955	/* Lets handle creatures that are splitting now */
1956	else if (type & AT_PHYSICAL && !QUERY_FLAG (op, FLAG_FREED) && QUERY_FLAG (op, FLAG_SPLITTING))
1957	{
1958	int i;
1959	int friendly = QUERY_FLAG (op, FLAG_FRIENDLY);
1960	int unaggressive = QUERY_FLAG (op, FLAG_UNAGGRESSIVE);
1961	object *owner = op->owner;
1962
1963	if (!op->other_arch)
1964	{
1965	LOG (llevError, "SPLITTING without other_arch error.\n");
1966	return maxdam;
1967	}
1968
1969	op->remove ();
1970
1971	for (i = 0; i < op->stats.food; i++)
1972	{ /* This doesn't handle op->more yet */
1973	object *tmp = arch_to_object (op->other_arch);
1974	int j;
1975
1976	tmp->stats.hp = op->stats.hp;
1977
1978	if (friendly)
1979	{
1980	add_friendly_object (tmp);
1981	tmp->attack_movement = PETMOVE;
1982
1983	if (owner)
1984	tmp->set_owner (owner);
1985	}
1986
1987	if (unaggressive)
1988	SET_FLAG (tmp, FLAG_UNAGGRESSIVE);
1989
1990	j = find_first_free_spot (tmp, op->map, op->x, op->y);
1991
1992	if (j == -1) /* No spot to put this monster */
1993	tmp->destroy ();
1994	else
1995	{
1996	tmp->x = op->x + freearr_x[j], tmp->y = op->y + freearr_y[j];
1997	insert_ob_in_map (tmp, op->map, NULL, 0);
1998	}
1999	}
2000
2001	op->destroy ();
2002	}
2003	else if (type & AT_DRAIN && hitter->type == GRIMREAPER && hitter->value++ > 10)
2004	hitter->destroy ();
2005
2006	return maxdam;
2007	}
2008
2009	void
2010	poison_player (object *op, object *hitter, int dam)
2011	{
2012	archetype *at = archetype::find ("poisoning");
2013	object *tmp = present_arch_in_ob (at, op);
2014
2015	if (tmp == NULL)
2016	{
2017	if ((tmp = arch_to_object (at)) == NULL)
2018	LOG (llevError, "Failed to clone arch poisoning.\n");
2019	else
2020	{
2021	tmp = insert_ob_in_ob (tmp, op);
2022	/* peterm: give poisoning some teeth. It should
2023	* be able to kill things better than it does:
2024	* damage should be dependent something--I choose to
2025	* do this: if it's a monster, the damage from the
2026	* poisoning goes as the level of the monster/2.
2027	* If anything else, goes as damage.
2028	*/
2029
2030	if (QUERY_FLAG (hitter, FLAG_ALIVE))
2031	tmp->stats.dam += hitter->level / 2;
2032	else
2033	tmp->stats.dam = dam;
2034
2035	tmp->set_owner (hitter); /* so we get credit for poisoning kills */
2036	if (hitter->skill && hitter->skill != tmp->skill)
2037	{
2038	tmp->skill = hitter->skill;
2039	}
2040
2041	tmp->stats.food += dam; /* more damage, longer poisoning */
2042
2043	if (op->type == PLAYER)
2044	{
2045	/* player looses stats, maximum is -10 of each */
2046	tmp->stats.Con = MAX (-(dam / 4 + 1), -10);
2047	tmp->stats.Str = MAX (-(dam / 3 + 2), -10);
2048	tmp->stats.Dex = MAX (-(dam / 6 + 1), -10);
2049	tmp->stats.Int = MAX (-dam / 7, -10);
2050	SET_FLAG (tmp, FLAG_APPLIED);
2051	op->update_stats ();
2052	new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very ill.");
2053	op->play_sound (tmp->sound);
2054	}
2055
2056	if (hitter->type == PLAYER)
2057	new_draw_info_format (NDI_UNIQUE, 0, hitter, "You poison %s.", &op->name);
2058	else if (hitter->owner != NULL && hitter->owner->type == PLAYER)
2059	new_draw_info_format (NDI_UNIQUE, 0, hitter->owner, "Your %s poisons %s.", &hitter->name, &op->name);
2060	}
2061
2062	tmp->speed_left = 0;
2063	}
2064	else
2065	tmp->stats.food++;
2066	}
2067
2068	void
2069	slow_player (object *op, object *hitter, int dam)
2070	{
2071	archetype *at = archetype::find ("slowness");
2072	object *tmp;
2073
2074	if (at == NULL)
2075	LOG (llevError, "Can't find slowness archetype.\n");
2076
2077	if ((tmp = present_arch_in_ob (at, op)) == NULL)
2078	{
2079	tmp = arch_to_object (at);
2080	tmp = insert_ob_in_ob (tmp, op);
2081	new_draw_info (NDI_UNIQUE, 0, op, "The world suddenly moves very fast!");
2082	}
2083	else
2084	tmp->stats.food++;
2085
2086	SET_FLAG (tmp, FLAG_APPLIED);
2087	tmp->speed_left = 0;
2088	op->update_stats ();
2089	}
2090
2091	void
2092	confuse_player (object *op, object *hitter, int dam)
2093	{
2094	object *tmp;
2095	int maxduration;
2096
2097	tmp = present_in_ob_by_name (FORCE, "confusion", op);
2098	if (!tmp)
2099	{
2100	tmp = get_archetype (FORCE_NAME);
2101	tmp = insert_ob_in_ob (tmp, op);
2102	}
2103
2104	/* Duration added per hit and max. duration of confusion both depend
2105	* on the player's resistance
2106	*/
2107	tmp->speed = 0.05;
2108	tmp->subtype = FORCE_CONFUSION;
2109	tmp->duration = 8 + MAX (1, 5 * (100 - op->resist[ATNR_CONFUSION]) / 100);
2110	tmp->name = "confusion";
2111	maxduration = MAX (2, 30 * (100 - op->resist[ATNR_CONFUSION]) / 100);
2112
2113	if (tmp->duration > maxduration)
2114	tmp->duration = maxduration;
2115
2116	if (op->type == PLAYER && !QUERY_FLAG (op, FLAG_CONFUSED))
2117	new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very confused!");
2118
2119	SET_FLAG (op, FLAG_CONFUSED);
2120	}
2121
2122	void
2123	blind_player (object *op, object *hitter, int dam)
2124	{
2125	object *tmp, *owner;
2126
2127	/* Save some work if we know it isn't going to affect the player */
2128	if (op->resist[ATNR_BLIND] == 100)
2129	return;
2130
2131	tmp = present_in_ob (BLINDNESS, op);
2132	if (!tmp)
2133	{
2134	tmp = get_archetype ("blindness");
2135	SET_FLAG (tmp, FLAG_BLIND);
2136	SET_FLAG (tmp, FLAG_APPLIED);
2137	/* use floats so we don't lose too much precision due to rounding errors.
2138	* speed is a float anyways.
2139	*/
2140	tmp->speed = tmp->speed * (100.0 - (float) op->resist[ATNR_BLIND]) / 100;
2141
2142	tmp = insert_ob_in_ob (tmp, op);
2143	change_abil (op, tmp); /* Mostly to display any messages */
2144	op->update_stats (); /* This takes care of some other stuff */
2145
2146	if (hitter->owner)
2147	owner = hitter->owner;
2148	else
2149	owner = hitter;
2150
2151	new_draw_info_format (NDI_UNIQUE, 0, owner, "Your attack blinds %s!", query_name (op));
2152	}
2153	tmp->stats.food += dam;
2154	if (tmp->stats.food > 10)
2155	tmp->stats.food = 10;
2156	}
2157
2158	void
2159	paralyze_player (object *op, object *hitter, int dam)
2160	{
2161	float effect, max;
2162
2163	/* object *tmp; */
2164
2165	/* This is strange stuff... someone knows for what this is
2166	* written? Well, i think this can and should be removed
2167	*/
2168
2169	/*
2170	if((tmp=present(PARAIMAGE,op->map,op->x,op->y))==NULL) {
2171	tmp=clone_arch(PARAIMAGE);
2172	tmp->x=op->x,tmp->y=op->y;
2173	insert_ob_in_map(tmp,op->map,tmp,INS_NO_MERGE | INS_NO_WALK_ON);
2174	}
2175	*/
2176
2177	/* Do this as a float - otherwise, rounding might very well reduce this to 0 */
2178	effect = (float) dam *3.0 * (100.0 - op->resist[ATNR_PARALYZE]) / 100;
2179
2180	if (effect == 0)
2181	return;
2182
2183	op->speed_left -= FABS (op->speed) * effect;
2184	/* tmp->stats.food+=(signed short) effect/op->speed; */
2185
2186	/* max number of ticks to be affected for. */
2187	max = (100 - op->resist[ATNR_PARALYZE]) / 2;
2188	if (op->speed_left < -(FABS (op->speed) * max))
2189	op->speed_left = (float) -(FABS (op->speed) * max);
2190
2191	/* tmp->stats.food = (signed short) (max/FABS(op->speed)); */
2192	}
2193
2194	/* Attempts to kill 'op'. hitter is the attack object, dam is
2195	* the computed damaged.
2196	*/
2197	void
2198	deathstrike_player (object *op, object *hitter, int *dam)
2199	{
2200	/* The intention of a death attack is to kill outright things
2201	** that are a lot weaker than the attacker, have a chance of killing
2202	** things somewhat weaker than the caster, and no chance of
2203	** killing something equal or stronger than the attacker.
2204	** Also, if a deathstrike attack has a slaying, any monster
2205	** whose name or race matches a comma-delimited list in the slaying
2206	** field of the deathstriking object */
2207
2208	int atk_lev, def_lev, kill_lev;
2209
2210	if (hitter->slaying)
2211	if (!((QUERY_FLAG (op, FLAG_UNDEAD) && strstr (hitter->slaying, shstr_undead)) || (op->race && strstr (hitter->slaying, op->race))))
2212	return;
2213
2214	def_lev = op->level;
2215	if (def_lev < 1)
2216	{
2217	LOG (llevError, "BUG: arch %s, name %s with level < 1\n", &op->arch->archname, &op->name);
2218	def_lev = 1;
2219	}
2220
2221	atk_lev = (hitter->chosen_skill ? hitter->chosen_skill->level : hitter->level) / 2;
2222	/* LOG(llevDebug,"Deathstrike - attack level %d, defender level %d\n",
2223	atk_lev, def_lev); */
2224
2225	if (atk_lev >= def_lev)
2226	{
2227	kill_lev = random_roll (0, atk_lev - 1, hitter, PREFER_HIGH);
2228
2229	/* Note that the below effectively means the ratio of the atk vs
2230	* defener level is important - if level 52 character has very little
2231	* chance of killing a level 50 monster. This should probably be
2232	* redone.
2233	*/
2234	if (kill_lev >= def_lev)
2235	{
2236	*dam = op->stats.hp + 10; /* take all hp. they can still save for 1/2 */
2237	/* I think this doesn't really do much. Because of
2238	* integer rounding, this only makes any difference if the
2239	* attack level is double the defender level.
2240	*/
2241	*dam *= kill_lev / def_lev;
2242	}
2243	}
2244	else
2245	*dam = 0; /* no harm done */
2246	}
2247
2248	/* thrown_item_effect() - handles any special effects of thrown
2249	* items (like attacking living creatures--a potion thrown at a
2250	* monster).
2251	*/
2252	static void
2253	thrown_item_effect (object *hitter, object *victim)
2254	{
2255	if (!QUERY_FLAG (hitter, FLAG_ALIVE))
2256	{
2257	/* May not need a switch for just 2 types, but this makes it
2258	* easier for expansion.
2259	*/
2260	switch (hitter->type)
2261	{
2262	case POTION:
2263	/* should player get a save throw instead of checking magic protection? */
2264	if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_MAGIC] < 60))
2265	(void) apply_potion (victim, hitter);
2266	break;
2267
2268	case POISON: /* poison drinks */
2269	/* As with potions, should monster get a save? */
2270	if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_POISON] < 60))
2271	apply_poison (victim, hitter);
2272	break;
2273
2274	/* Removed case statements that did nothing.
2275	* food may be poisonous, but monster must be willing to eat it,
2276	* so we don't handle it here.
2277	* Containers should perhaps break open, but that code was disabled.
2278	*/
2279	}
2280	}
2281	}
2282
2283	/* adj_attackroll() - adjustments to attacks by various conditions */
2284	int
2285	adj_attackroll (object *hitter, object *target)
2286	{
2287	object *attacker = hitter;
2288	int adjust = 0;
2289
2290	/* safety */
2291	if (!target || !hitter || !hitter->map || !target->map || !on_same_map (hitter, target))
2292	{
2293	LOG (llevError, "BUG: adj_attackroll(): hitter and target not on same " "map\n");
2294	return 0;
2295	}
2296
2297	/* aimed missiles use the owning object's sight */
2298	if (is_aimed_missile (hitter))
2299	{
2300	if ((attacker = hitter->owner) == NULL)
2301	attacker = hitter;
2302	/* A player who saves but hasn't quit still could have objects
2303	* owned by him - need to handle that case to avoid crashes.
2304	*/
2305	if (QUERY_FLAG (attacker, FLAG_REMOVED))
2306	attacker = hitter;
2307	}
2308	else if (!QUERY_FLAG (hitter, FLAG_ALIVE))
2309	return 0;
2310
2311	/* determine the condtions under which we make an attack.
2312	* Add more cases, as the need occurs. */
2313
2314	if (!can_see_enemy (attacker, target))
2315	{
2316	/* target is unseen */
2317	if (target->invisible || QUERY_FLAG (attacker, FLAG_BLIND))
2318	adjust -= 10;
2319	/* dark map penalty for the hitter (lacks infravision if we got here). */
2320	else if (target->map && target->map->darkness > 0 && !stand_in_light (target))
2321	adjust -= target->map->darkness;
2322	}
2323
2324	if (QUERY_FLAG (attacker, FLAG_SCARED))
2325	adjust -= 3;
2326
2327	if (QUERY_FLAG (target, FLAG_UNAGGRESSIVE))
2328	adjust += 1;
2329
2330	if (QUERY_FLAG (target, FLAG_SCARED))
2331	adjust += 1;
2332
2333	if (QUERY_FLAG (attacker, FLAG_CONFUSED))
2334	adjust -= 3;
2335
2336	/* if we attack at a different 'altitude' its harder */
2337	if ((attacker->move_type & target->move_type) == 0)
2338	adjust -= 2;
2339
2340	#if 0
2341	/* slower attacks are less likely to succeed. We should use a
2342	* comparison between attacker/target speeds BUT, players have
2343	* a generally faster speed, so this will wind up being a HUGE
2344	* disadantage for the monsters! Too bad, because missiles which
2345	* fly fast should have a better chance of hitting a slower target.
2346	*/
2347	if (hitter->speed < target->speed)
2348	adjust += ((float) hitter->speed - target->speed);
2349	#endif
2350
2351	#if 0
2352	LOG (llevDebug, "adj_attackroll() returns %d (%d)\n", adjust, attacker->count);
2353	#endif
2354
2355	return adjust;
2356	}
2357
2358	/* determine if the object is an 'aimed' missile */
2359	int
2360	is_aimed_missile (object *op)
2361	{
2362
2363	/* I broke what used to be one big if into a few nested
2364	* ones so that figuring out the logic is at least possible.
2365	*/
2366	if (op && (op->move_type & MOVE_FLYING))
2367	if (op->type == ARROW || op->type == THROWN_OBJ)
2368	return 1;
2369	else if (op->type == SPELL_EFFECT && (op->subtype == SP_BULLET || op->subtype == SP_EXPLOSION))
2370	return 1;
2371
2372	return 0;
2373	}

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