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Comparing deliantra/server/server/attack.C (file contents):
Revision 1.87 by root, Mon Jul 14 18:36:43 2008 UTC vs.
Revision 1.127 by root, Sun Nov 29 17:41:08 2009 UTC

…		…
3	*	3	*
4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra 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	* Deliantra 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 <support@deliantra.net>	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>
…		…
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 (object *pl = op->visible_to ())
68	esrv_update_item (UPD_FLAGS, pl, 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, uint32_t type, object *originator)
78	{	47	{
79	int i, roll, saves = 0, attacks = 0, number;	48	int saves = 0, attacks = 0;
80	materialtype_t *mt;	49	materialtype_t *mt = op->material;
81		50
82	if (!op->materialname)	51	// destroying objects without material has many bad effects
83	{	52	if (mt == MATERIAL_NULL)
84	for (mt = materialt; mt && mt->next; 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;	53	return 1;
93		54
94	roll = rndm (1, 20);	55	int roll = rndm (1, 20);
95		56
96	/* the attacktypes have no meaning for object saves	57	/* the attacktypes have no meaning for object saves
97	* If the type is only magic, don't adjust type - basically, if	58	* If the type is only magic, don't adjust type - basically, if
98	* pure magic is hitting an object, it should save. However, if it	59	* pure magic is hitting an object, it should save. However, if it
99	* is magic teamed with something else, then strip out the	60	* is magic teamed with something else, then strip out the
100	* magic type, and instead let the fire, cold, or whatever component	61	* magic type, and instead let the fire, cold, or whatever component
101	* destroy the item. Otherwise, you get the case of poisoncloud	62	* destroy the item. Otherwise, you get the case of poisoncloud
102	* destroying objects because it has magic attacktype.	63	* destroying objects because it has magic attacktype.
103	*/	64	*/
104	if (type != AT_MAGIC)	65	if (type != AT_MAGIC)
105	type &= ~(AT_CONFUSION | AT_DRAIN | AT_GHOSTHIT | AT_POISON | AT_SLOW |	66	type &= ~(AT_CONFUSION | AT_DRAIN | AT_GHOSTHIT | AT_POISON | AT_SLOW |
106	AT_PARALYZE | AT_TURN_UNDEAD | AT_FEAR | AT_DEPLETE | AT_DEATH |	67	AT_PARALYZE | AT_TURN_UNDEAD | AT_FEAR | AT_DEPLETE | AT_DEATH |
107	AT_COUNTERSPELL | AT_HOLYWORD | AT_BLIND | AT_LIFE_STEALING | AT_MAGIC);	68	AT_COUNTERSPELL | AT_HOLYWORD | AT_BLIND | AT_LIFE_STEALING | AT_MAGIC);
108		69
		70
109	if (type == 0) return TRUE;	71	if (type == 0) return TRUE;
110		72
111	if (roll == 20) return TRUE;	73	if (roll == 20) return TRUE;
112	if (roll == 1) return FALSE;	74	if (roll == 1) return FALSE;
113		75
114	for (number = 0; number < NROFATTACKS; number++)	76	for_all_bits_sparse_32 (type, number)
115	{	77	{
116	i = 1 << number;
117
118	if (!(i & type))
119	continue;
120
121	attacks++;	78	attacks++;
		79
122	if (op->resist[number] == 100)	80	if (op->resist[number] == 100)
123	saves++;	81	saves++;
124	else if (roll >= mt->save[number] - op->magic - op->resist[number] / 100)	82	else if (roll >= mt->save[number] - op->magic - op->resist[number] / 100)
125	saves++;	83	saves++;
126	else if ((20 - mt->save[number]) / 3 > originator->stats.dam)	84	else if ((20 - mt->save[number]) / 3 > originator->stats.dam)
…		…
134	return FALSE;	92	return FALSE;
135		93
136	return TRUE;	94	return TRUE;
137	}	95	}
138		96
		97	/* cancels object *op. Cancellation basically means an object loses
		98	* its magical benefits.
		99	*/
		100	void
		101	cancellation (object *op)
		102	{
		103	if (op->invisible)
		104	return;
		105
		106	if (QUERY_FLAG (op, FLAG_ALIVE) || op->type == CONTAINER || op->type == THROWN_OBJ)
		107	{
		108	/* Recurse through the inventory */
		109	for (object *tmp = op->inv; tmp; tmp = tmp->below)
		110	if (!did_make_save_item (tmp, AT_CANCELLATION, op))
		111	cancellation (tmp);
		112	}
		113	else if (fabs (op->magic) <= rndm (0, 5))
		114	{
		115	/* Nullify this object. This code could probably be more complete */
		116	/* in what abilities it should cancel */
		117	op->magic = 0;
		118
		119	CLEAR_FLAG (op, FLAG_DAMNED);
		120	CLEAR_FLAG (op, FLAG_CURSED);
		121	CLEAR_FLAG (op, FLAG_KNOWN_MAGICAL);
		122	CLEAR_FLAG (op, FLAG_KNOWN_CURSED);
		123
		124	if (object *pl = op->visible_to ())
		125	esrv_update_item (UPD_FLAGS, pl, op);
		126	}
		127	}
		128
139	/* This function calls did_make_save_item. It then performs the	129	/* This function calls did_make_save_item. It then performs the
140	* appropriate actions to the item (such as burning the item up,	130	* appropriate actions to the item (such as burning the item up,
141	* calling cancellation, etc.)	131	* calling cancellation, etc.)
142	*/	132	*/
143	void	133	void
…		…
148	object *env = op->env;	138	object *env = op->env;
149	int x = op->x, y = op->y;	139	int x = op->x, y = op->y;
150	maptile *m = op->map;	140	maptile *m = op->map;
151		141
152	op = stop_item (op);	142	op = stop_item (op);
153	if (op == NULL)	143	if (!op)
154	return;	144	return;
155		145
156	/* Hacked the following so that type LIGHTER will work.	146	/* Hacked the following so that type LIGHTER will work.
157	* Also, objects which are potential "lights" that are hit by	147	* Also, objects which are potential "lights" that are hit by
158	* flame/elect attacks will be set to glow. "lights" are any	148	* flame/elect attacks will be set to glow. "lights" are any
159	* object with +/- glow_radius and an "other_arch" to change to.	149	* object with +/- glow_radius and an "other_arch" to change to.
160	* (and please note that we cant fail our save and reach this	150	* (and please note that we cant fail our save and reach this
161	* function if the object doesnt contain a material that can burn.	151	* function if the object doesnt contain a material that can burn.
162	* So forget lighting magical swords on fire with this!) -b.t.	152	* So forget lighting magical swords on fire with this!) -b.t.
163	*/	153	*/
164	if (type & (AT_FIRE | AT_ELECTRICITY) && op->other_arch && QUERY_FLAG (op, FLAG_IS_LIGHTABLE))	154	if (type & (AT_FIRE | AT_ELECTRICITY))
165	{	155	{
166	const char *arch = op->other_arch->archname;	156	// seems LAMPs and TORCHes are always IS_LIGHTABLE?
167		157	if (op->type == LAMP || op->type == TORCH)
168	if (op->decrease ())
169	fix_stopped_item (op, m, originator);
170
171	if ((op = archetype::get (arch)))
172	{	158	{
173	if (env)	159	apply_lamp (op, true); // turn on a lamp
174	env->insert (op);
175	else	160	return;
176	m->insert (op, x, y, originator);
177	}	161	}
		162	else if (op->flag [FLAG_IS_LIGHTABLE])
		163	{
		164	if (op->other_arch)
		165	{
		166	const char *arch = op->other_arch->archname;
178		167
		168	if (op->decrease ())
		169	fix_stopped_item (op, m, originator);
		170
		171	if ((op = archetype::get (arch)))
		172	{
		173	if (env)
		174	env->insert (op);
		175	else
		176	m->insert (op, x, y, originator);
		177	}
		178	}
		179
179	return;	180	return;
		181	}
180	}	182	}
181		183
182	if (type & AT_CANCELLATION)	184	if (type & AT_CANCELLATION)
183	{ /* Cancellation. */	185	{ /* Cancellation. */
184	cancellation (op);	186	cancellation (op);
185	fix_stopped_item (op, m, originator);	187	fix_stopped_item (op, m, originator);
		188
186	return;	189	return;
187	}
188
189	if (op->nrof > 1)
190	{
191	if (op->decrease (rndm (0, op->nrof - 1)))
192	fix_stopped_item (op, m, originator);
193	}
194	else
195	{
196	// drop everything to the ground, if possible
197	while (op->inv)
198	op->inv->insert_at (originator);
199
200	op->destroy ();
201	}	190	}
202		191
203	if (type & (AT_FIRE | AT_ELECTRICITY))	192	if (type & (AT_FIRE | AT_ELECTRICITY))
204	if (env)	193	if (env)
205	{	194	{
206	op = archetype::get (shstr_burnout);	195	object *op = archetype::get (shstr_burnout);
207	op->x = env->x, op->y = env->y;	196	op->x = env->x, op->y = env->y;
208	env->insert (op);	197	env->insert (op);
209	}	198	}
210	else	199	else
211	replace_insert_ob_in_map (shstr_burnout, originator);	200	replace_insert_ob_in_map (shstr_burnout, originator);
212		201
		202	if (op->nrof > 1)
		203	{
		204	if (op->decrease (rndm (0, op->nrof - 1)))
		205	fix_stopped_item (op, m, originator);
		206	}
		207	else
		208	{
		209	// drop everything to the ground, if possible
		210	op->insert_at (originator);
		211	op->drop_and_destroy ();
		212	}
		213
213	return;	214	return;
214	}	215	}
215		216
216	/* The value of 50 is arbitrary. */	217	/* The value of 50 is arbitrary. */
217	if (type & AT_COLD && (op->resist[ATNR_COLD] < 50) && !QUERY_FLAG (op, FLAG_NO_PICK) && (RANDOM () & 2))	218	if (type & AT_COLD && (op->resist[ATNR_COLD] < 50) && !QUERY_FLAG (op, FLAG_NO_PICK) && rndm (2))
218	{	219	{
219	archetype *at = archetype::find (shstr_icecube);	220	archetype *at = archetype::find (shstr_icecube);
220		221
221	if (at == NULL)	222	if (at == NULL)
222	return;	223	return;
…		…
226	return;	227	return;
227		228
228	object *tmp = present_arch (at, op->map, op->x, op->y);	229	object *tmp = present_arch (at, op->map, op->x, op->y);
229	if (!tmp)	230	if (!tmp)
230	{	231	{
231	tmp = arch_to_object (at);	232	tmp = at->instance ();
232	tmp->x = op->x, tmp->y = op->y;	233	tmp->x = op->x, tmp->y = op->y;
233	/* This was in the old (pre new movement code) -	234	/* This was in the old (pre new movement code) -
234	* icecubes have slow_move set to 1 - don't want	235	* icecubes have slow_move set to 1 - don't want
235	* that for ones we create.	236	* that for ones we create.
236	*/	237	*/
…		…
249	* type is the attacktype of the object.	250	* type is the attacktype of the object.
250	* full_hit is set if monster area does not matter.	251	* full_hit is set if monster area does not matter.
251	* returns 1 if it hits something, 0 otherwise.	252	* returns 1 if it hits something, 0 otherwise.
252	*/	253	*/
253	int	254	int
254	hit_map (object *op, int dir, int type, int full_hit)	255	hit_map (object *op, int dir, uint32_t type, int full_hit)
255	{	256	{
256	maptile *map;	257	maptile *map;
257	sint16 x, y;	258	sint16 x, y;
258	int retflag = 0; /* added this flag.. will return 1 if it hits a monster */	259	int retflag = 0; /* added this flag.. will return 1 if it hits a monster */
259		260
…		…
349	* NO_PASS set, it is also immune - you can't destroy walls. Note	350	* NO_PASS set, it is also immune - you can't destroy walls. Note
350	* that weak walls have is_alive set, which prevent objects from	351	* that weak walls have is_alive set, which prevent objects from
351	* passing over/through them. We don't care what type of movement	352	* passing over/through them. We don't care what type of movement
352	* the wall blocks - if it blocks any type of movement, can't be	353	* the wall blocks - if it blocks any type of movement, can't be
353	* destroyed right now.	354	* destroyed right now.
		355	* Without the material check the server completely fails to work,
		356	* objects detsroy themselves, floors get destroyed etc. etc.
354	*/	357	*/
355	else if (tmp->materialname && op->stats.dam > 0 && !tmp->move_block)	358	else if (op->stats.dam > 0 && !tmp->move_block && tmp->material != MATERIAL_NULL)
356	{	359	{
357	save_throw_object (tmp, type, op);	360	save_throw_object (tmp, type, op);
358		361
359	if (op->destroyed ())	362	if (op->destroyed ())
360	break;	363	break;
…		…
362	}	365	}
363		366
364	return 0;	367	return 0;
365	}	368	}
366		369
367	void	370	static void
368	attack_message (int dam, int type, object *op, object *hitter)	371	attack_message (int dam, int type, object *op, object *hitter)
369	{	372	{
370	char buf[MAX_BUF], buf1[MAX_BUF], buf2[MAX_BUF];	373	char buf[MAX_BUF], buf1[MAX_BUF], buf2[MAX_BUF];
371	int i, found = 0;	374	int i, found = 0;
372	maptile *map;	375	maptile *map;
…		…
374		377
375	/* put in a few special messages for some of the common attacktypes	378	/* put in a few special messages for some of the common attacktypes
376	* a player might have. For example, fire, electric, cold, etc	379	* a player might have. For example, fire, electric, cold, etc
377	* [garbled 20010919]	380	* [garbled 20010919]
378	*/	381	*/
379
380	if (dam == 9998 && op->type == DOOR)	382	if (dam == 9998 && op->type == DOOR)
381	{	383	{
382	sprintf (buf1, "unlock %s", &op->name);	384	sprintf (buf1, "unlock %s", &op->name);
383	sprintf (buf2, " unlocks");	385	sprintf (buf2, " unlocks");
384	found++;	386	found++;
385	}	387	}
386	if (dam < 0)	388	else if (dam < 0)
387	{	389	{
388	sprintf (buf1, "hit %s", &op->name);	390	sprintf (buf1, "hit %s", &op->name);
389	sprintf (buf2, " hits");	391	sprintf (buf2, " hits");
390	found++;	392	found++;
391	}	393	}
…		…
513	strcpy (buf2, attack_mess[ATM_FIRE][i].buf3);	515	strcpy (buf2, attack_mess[ATM_FIRE][i].buf3);
514	found++;	516	found++;
515	break;	517	break;
516	}	518	}
517	}	519	}
518	else if (hitter->current_weapon != NULL)	520	else if (hitter->current_weapon)
519	{	521	{
520	int mtype;	522	int mtype;
521		523
522	switch (hitter->current_weapon->weapontype)	524	switch (hitter->current_weapon->weapontype)
523	{	525	{
…		…
661	op->play_sound (sound_find ("player_hits4"));	663	op->play_sound (sound_find ("player_hits4"));
662	new_draw_info (NDI_BLACK, 0, hitter->owner, buf);	664	new_draw_info (NDI_BLACK, 0, hitter->owner, buf);
663	}	665	}
664	}	666	}
665		667
666
667	static int	668	static int
668	get_attack_mode (object **target, object **hitter, int *simple_attack)	669	get_attack_mode (object **target, object **hitter, int *simple_attack)
669	{	670	{
670	if (QUERY_FLAG (*target, FLAG_FREED) || QUERY_FLAG (*hitter, FLAG_FREED))	671	if (QUERY_FLAG (*target, FLAG_FREED) || QUERY_FLAG (*hitter, FLAG_FREED))
671	{	672	{
672	LOG (llevError, "BUG: get_attack_mode(): freed object\n");	673	LOG (llevError, "BUG: get_attack_mode(): freed object\n");
673	return 1;	674	return 1;
674	}	675	}
675		676
676	if ((*target)->head)
677	*target = (*target)->head;	677	*target = (*target)->head_ ();
678
679	if ((*hitter)->head)
680	*hitter = (*hitter)->head;	678	*hitter = (*hitter)->head_ ();
681		679
682	if ((*target)->type == LOCKED_DOOR)	680	if ((*target)->type == LOCKED_DOOR)
683	return 1; // locked doors cannot be hit	681	return 1; // locked doors cannot be hit
684		682
685	if ((*hitter)->env || (*target)->env)	683	if ((*hitter)->env || (*target)->env)
…		…
703	}	701	}
704		702
705	static int	703	static int
706	abort_attack (object *target, object *hitter, int simple_attack)	704	abort_attack (object *target, object *hitter, int simple_attack)
707	{	705	{
708
709	/* Check if target and hitter are still in a relation similar to the one	706	/* Check if target and hitter are still in a relation similar to the one
710	* determined by get_attack_mode(). Returns true if the relation has changed.	707	* determined by get_attack_mode(). Returns true if the relation has changed.
711	*/	708	*/
712	int new_mode;	709	int new_mode;
713		710
714	if (hitter->env == target || target->env == hitter)	711	if (hitter->env == target || target->env == hitter)
715	new_mode = 1;	712	new_mode = 1;
716	else if (QUERY_FLAG (hitter, FLAG_REMOVED) || QUERY_FLAG (target, FLAG_REMOVED) || hitter->map == NULL || !on_same_map (hitter, target))	713	else if (QUERY_FLAG (hitter, FLAG_REMOVED) || QUERY_FLAG (target, FLAG_REMOVED)
		714	|| hitter->map == NULL || !on_same_map (hitter, target))
717	return 1;	715	return 1;
718	else	716	else
719	new_mode = 0;	717	new_mode = 0;
		718
720	return new_mode != simple_attack;	719	return new_mode != simple_attack;
721	}	720	}
722		721
		722	/* thrown_item_effect() - handles any special effects of thrown
		723	* items (like attacking living creatures--a potion thrown at a
		724	* monster).
		725	*/
		726	static void
723	static void thrown_item_effect (object *, object *);	727	thrown_item_effect (object *hitter, object *victim)
		728	{
		729	if (!QUERY_FLAG (hitter, FLAG_ALIVE))
		730	{
		731	/* May not need a switch for just 2 types, but this makes it
		732	* easier for expansion.
		733	*/
		734	switch (hitter->type)
		735	{
		736	case POTION:
		737	/* should player get a save throw instead of checking magic protection? */
		738	if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_MAGIC] < 60))
		739	apply_potion (victim, hitter);
		740	break;
		741
		742	case POISON: /* poison drinks */
		743	/* As with potions, should monster get a save? */
		744	if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_POISON] < 60))
		745	apply_poison (victim, hitter);
		746	break;
		747
		748	/* Removed case statements that did nothing.
		749	* food may be poisonous, but monster must be willing to eat it,
		750	* so we don't handle it here.
		751	* Containers should perhaps break open, but that code was disabled.
		752	*/
		753	}
		754	}
		755	}
		756
		757	/* determine if the object is an 'aimed' missile */
		758	static int
		759	is_aimed_missile (object *op)
		760	{
		761
		762	/* I broke what used to be one big if into a few nested
		763	* ones so that figuring out the logic is at least possible.
		764	*/
		765	if (op && (op->move_type & MOVE_FLYING))
		766	if (op->type == ARROW || op->type == THROWN_OBJ)
		767	return 1;
		768	else if (op->type == SPELL_EFFECT && (op->subtype == SP_BULLET || op->subtype == SP_EXPLOSION))
		769	return 1;
		770
		771	return 0;
		772	}
		773	/* adj_attackroll() - adjustments to attacks by various conditions */
		774	static int
		775	adj_attackroll (object *hitter, object *target)
		776	{
		777	object *attacker = hitter;
		778	int adjust = 0;
		779
		780	/* safety */
		781	if (!target || !hitter || !hitter->map || !target->map || !on_same_map (hitter, target))
		782	{
		783	LOG (llevError, "BUG: adj_attackroll(): hitter and target not on same " "map\n");
		784	return 0;
		785	}
		786
		787	/* aimed missiles use the owning object's sight */
		788	if (is_aimed_missile (hitter))
		789	{
		790	if ((attacker = hitter->owner) == NULL)
		791	attacker = hitter;
		792	/* A player who saves but hasn't quit still could have objects
		793	* owned by him - need to handle that case to avoid crashes.
		794	*/
		795	if (QUERY_FLAG (attacker, FLAG_REMOVED))
		796	attacker = hitter;
		797	}
		798	else if (!QUERY_FLAG (hitter, FLAG_ALIVE))
		799	return 0;
		800
		801	/* determine the condtions under which we make an attack.
		802	* Add more cases, as the need occurs. */
		803
		804	if (!can_see_enemy (attacker, target))
		805	{
		806	/* target is unseen */
		807	if (target->invisible || QUERY_FLAG (attacker, FLAG_BLIND))
		808	adjust -= 10;
		809	/* dark map penalty for the hitter (lacks infravision if we got here). */
		810	else if (!stand_in_light (target))
		811	adjust -= target->map->darklevel ();
		812	}
		813
		814	if (QUERY_FLAG (attacker, FLAG_SCARED))
		815	adjust -= 3;
		816
		817	if (QUERY_FLAG (target, FLAG_UNAGGRESSIVE))
		818	adjust += 1;
		819
		820	if (QUERY_FLAG (target, FLAG_SCARED))
		821	adjust += 1;
		822
		823	if (QUERY_FLAG (attacker, FLAG_CONFUSED))
		824	adjust -= 3;
		825
		826	/* if we attack at a different 'altitude' its harder */
		827	if ((attacker->move_type & target->move_type) == 0)
		828	adjust -= 2;
		829
		830	#if 0
		831	/* slower attacks are less likely to succeed. We should use a
		832	* comparison between attacker/target speeds BUT, players have
		833	* a generally faster speed, so this will wind up being a HUGE
		834	* disadantage for the monsters! Too bad, because missiles which
		835	* fly fast should have a better chance of hitting a slower target.
		836	*/
		837	if (hitter->speed < target->speed)
		838	adjust += ((float) hitter->speed - target->speed);
		839	#endif
		840
		841	#if 0
		842	LOG (llevDebug, "adj_attackroll() returns %d (%d)\n", adjust, attacker->count);
		843	#endif
		844
		845	return adjust;
		846	}
724		847
725	static int	848	static int
726	attack_ob_simple (object *op, object *hitter, int base_dam, int base_wc)	849	attack_ob_simple (object *op, object *hitter, int base_dam, int base_wc)
727	{	850	{
728	int simple_attack, roll, dam = 0;	851	int simple_attack, roll, dam = 0;
…		…
741		864
742	/*	865	/*
743	* A little check to make it more difficult to dance forward and back	866	* A little check to make it more difficult to dance forward and back
744	* to avoid ever being hit by monsters.	867	* to avoid ever being hit by monsters.
745	*/	868	*/
746	if (!simple_attack && QUERY_FLAG (op, FLAG_MONSTER) && op->speed_left > abs (op->speed) * -0.3f)	869	if (!simple_attack && QUERY_FLAG (op, FLAG_MONSTER) && op->speed_left > op->speed * -0.3f)
747	{	870	{
748	/* Decrease speed BEFORE calling process_object. Otherwise, an	871	/* Decrease speed BEFORE calling process_object. Otherwise, an
749	* infinite loop occurs, with process_object calling move_monster,	872	* infinite loop occurs, with process_object calling move_monster,
750	* which then gets here again. By decreasing the speed before	873	* which then gets here again. By decreasing the speed before
751	* we call process_object, the 'if' statement above will fail.	874	* we call process_object, the 'if' statement above will fail.
…		…
782	* for help. */	905	* for help. */
783	if (op->type != PLAYER && !can_see_enemy (op, hitter) && !op->owner && rndm (0, op->stats.Int))	906	if (op->type != PLAYER && !can_see_enemy (op, hitter) && !op->owner && rndm (0, op->stats.Int))
784	npc_call_help (op);	907	npc_call_help (op);
785		908
786	/* if you were hidden and hit by a creature, you are discovered */	909	/* if you were hidden and hit by a creature, you are discovered */
787	if (op->hide && QUERY_FLAG (hitter, FLAG_ALIVE))	910	if (op->flag [FLAG_HIDDEN] && hitter->flag [FLAG_ALIVE])
788	{	911	{
789	make_visible (op);	912	make_visible (op);
790		913
791	if (op->type == PLAYER)	914	if (op->type == PLAYER)
792	new_draw_info (NDI_UNIQUE, 0, op, "You were hit by a wild attack. " "You are no longer hidden!");	915	new_draw_info (NDI_UNIQUE, 0, op, "You were hit by a wild attack. You are no longer hidden!");
793	}	916	}
794		917
795	/* thrown items (hitter) will have various effects	918	/* thrown items (hitter) will have various effects
796	* when they hit the victim. For things like thrown daggers,	919	* when they hit the victim. For things like thrown daggers,
797	* this sets 'hitter' to the actual dagger, and not the	920	* this sets 'hitter' to the actual dagger, and not the
…		…
809	if (hitdam <= 0)	932	if (hitdam <= 0)
810	hitdam = 1;	933	hitdam = 1;
811		934
812	type = hitter->attacktype;	935	type = hitter->attacktype;
813		936
		937	/* Ok, because some of the brainfucks of the good *sigh* old *sigh*
		938	* Crossfire we have to default the attacktype here to AT_PHYSICAL.
		939	* This check is important for the most simple monsters out there in the
		940	* game content (maps, archs). For example orcs: They would have
		941	* no attacktype at all.
		942	*
		943	* Some time in the future someone should just go into the game data
		944	* and fix every monster out there ;-/ Until then we will kill some
		945	* more trees in the african rain forests with this check.
		946	*/
814	if (!type)	947	if (!type)
815	type = AT_PHYSICAL;	948	type = AT_PHYSICAL;
816		949
817	/* Handle monsters that hit back */	950	/* Handle monsters that hit back */
818	if (!simple_attack && QUERY_FLAG (op, FLAG_HITBACK) && QUERY_FLAG (hitter, FLAG_ALIVE))	951	if (!simple_attack && QUERY_FLAG (op, FLAG_HITBACK) && QUERY_FLAG (hitter, FLAG_ALIVE))
…		…
893	/* Disassemble missile */	1026	/* Disassemble missile */
894	if (op->inv)	1027	if (op->inv)
895	{	1028	{
896	container = op;	1029	container = op;
897	hitter = op->inv;	1030	hitter = op->inv;
898	hitter->remove ();
899	insert_ob_in_map (hitter, container->map, hitter, INS_NO_MERGE | INS_NO_WALK_ON);	1031	hitter->insert_at (container, hitter, INS_NO_MERGE | INS_NO_WALK_ON);
900	/* Note that we now have an empty THROWN_OBJ on the map. Code that	1032	/* Note that we now have an empty THROWN_OBJ on the map. Code that
901	* might be called until this THROWN_OBJ is either reassembled or	1033	* might be called until this THROWN_OBJ is either reassembled or
902	* removed at the end of this function must be able to deal with empty	1034	* removed at the end of this function must be able to deal with empty
903	* THROWN_OBJs. */	1035	* THROWN_OBJs. */
904	}	1036	}
…		…
918	* other places as well!)	1050	* other places as well!)
919	*/	1051	*/
920	if (hitter->destroyed () || hitter->env != NULL)	1052	if (hitter->destroyed () || hitter->env != NULL)
921	{	1053	{
922	if (container)	1054	if (container)
923	{
924	container->remove ();
925	container->destroy ();	1055	container->destroy ();
926	}
927		1056
928	return 0;	1057	return 0;
929	}	1058	}
930		1059
931	/* Missile hit victim */	1060	/* Missile hit victim */
…		…
955	* can fly over but not otherwise move over. What is the correct	1084	* can fly over but not otherwise move over. What is the correct
956	* way to handle those otherwise?	1085	* way to handle those otherwise?
957	*/	1086	*/
958	if (victim->x != hitter->x || victim->y != hitter->y)	1087	if (victim->x != hitter->x || victim->y != hitter->y)
959	{	1088	{
		1089	if (victim->destroyed ())
		1090	hitter->destroy ();
		1091	else
		1092	{
960	hitter->remove ();	1093	hitter->remove ();
961	hitter->x = victim->x;	1094	hitter->x = victim->x;
962	hitter->y = victim->y;	1095	hitter->y = victim->y;
963	insert_ob_in_map (hitter, victim->map, hitter, 0);	1096	insert_ob_in_map (hitter, victim->map, hitter, 0);
		1097	}
964	}	1098	}
965	else	1099	else
966	/* Else leave arrow where it is */	1100	/* Else leave arrow where it is */
967	merge_ob (hitter, NULL);	1101	merge_ob (hitter, NULL);
968		1102
…		…
980	}	1114	}
981		1115
982	return op;	1116	return op;
983	}	1117	}
984		1118
985	void	1119	static void
986	tear_down_wall (object *op)	1120	tear_down_wall (object *op)
987	{	1121	{
988	int perc = 0;
989
990	if (!op->stats.maxhp)	1122	if (!op->stats.maxhp)
991	{
992	LOG (llevError, "TEAR_DOWN wall %s had no maxhp.\n", &op->name);	1123	LOG (llevError, "TEAR_DOWN wall %s had no maxhp.\n", &op->name);
993	perc = 1;	1124	else if (!op->has_anim ())
994	}
995	else if (!GET_ANIM_ID (op))
996	{	1125	{
997	/* Object has been called - no animations, so remove it */	1126	/* Object has been called - no animations, so remove it */
998	if (op->stats.hp < 0)	1127	if (op->stats.hp < 0)
999	op->destroy ();	1128	op->destroy ();
1000		1129
1001	return; /* no animations, so nothing more to do */	1130	return; /* no animations, so nothing more to do */
1002	}	1131	}
1003		1132
1004	perc = NUM_ANIMATIONS (op) - ((int) NUM_ANIMATIONS (op) * op->stats.hp) / op->stats.maxhp;	1133	// we use frames 1..num-2 as intermediate frames, so
		1134	// the last frame is used only when hp < 0.
		1135	int perc = clamp (
		1136	lerp_ru<int> (op->stats.hp, 0, op->stats.maxhp, op->anim_frames () - 2, 0),
		1137	0, op->anim_frames () - 1
		1138	);
1005		1139
1006	if (perc >= (int) NUM_ANIMATIONS (op))	1140	op->set_anim_frame (perc);
1007	perc = NUM_ANIMATIONS (op) - 1;
1008	else if (perc < 1)
1009	perc = 1;
1010
1011	SET_ANIMATION (op, perc);
1012	update_object (op, UP_OBJ_FACE);	1141	update_object (op, UP_OBJ_FACE);
1013		1142
1014	if (perc == NUM_ANIMATIONS (op) - 1)	1143	if (op->stats.hp < 0)
1015	{ /* Reached the last animation */	1144	{ /* Reached the last animation */
1016	if (op->face == blank_face)	1145	if (op->face == blank_face)
1017	/* If the last face is blank, remove the ob */	1146	/* If the last face is blank, remove the ob */
1018	op->destroy ();	1147	op->destroy ();
1019	else	1148	else
1020	{ /* The last face was not blank, leave an image */	1149	{ /* The last face was not blank, leave an image */
1021	CLEAR_FLAG (op, FLAG_BLOCKSVIEW);	1150	op->flag [FLAG_BLOCKSVIEW] = false;
1022	update_all_los (op->map, op->x, op->y);	1151	update_all_los (op->map, op->x, op->y);
1023	op->move_block = 0;	1152	op->move_block = 0;
1024	CLEAR_FLAG (op, FLAG_ALIVE);	1153	op->flag [FLAG_ALIVE] = false;
1025	}	1154	}
1026	}	1155	}
1027	}	1156	}
1028		1157
1029	void	1158	static void
1030	scare_creature (object *target, object *hitter)	1159	scare_creature (object *target, object *hitter)
1031	{	1160	{
1032	object *owner = hitter->owner;	1161	target->flag [FLAG_SCARED] = true;
1033		1162
		1163	if (!target->enemy)
		1164	target->enemy = hitter->outer_owner ();
		1165	}
		1166
		1167	/* GROS: This code comes from hit_player. It has been made external to
		1168	* allow script procedures to "kill" objects in a combat-like fashion.
		1169	* It was initially used by (kill-object) developed for the Collector's
		1170	* Sword. Note that nothing has been changed from the original version
		1171	* of the following code.
		1172	* op is what is being killed.
		1173	* dam is the damage done to it.
		1174	* hitter is what is hitting it.
		1175	* type is the attacktype.
		1176	*
		1177	* This function was a bit of a mess with hitter getting changed,
		1178	* values being stored away but not used, etc. I've cleaned it up
		1179	* a bit - I think it should be functionally equivalant.
		1180	* MSW 2002-07-17
		1181	*/
		1182	int
		1183	kill_object (object *op, int dam, object *hitter, int type)
		1184	{
		1185	char buf[MAX_BUF];
		1186	shstr skill;
		1187	int maxdam = 0;
		1188	int battleg = 0; /* true if op standing on battleground */
		1189	int pk = 0; /* true if op and what controls hitter are both players */
		1190	object *owner = 0;
		1191	object *skop = 0;
		1192
		1193	if (op->stats.hp >= 0)
		1194	return -1;
		1195
		1196	if (INVOKE_OBJECT (KILL, op, ARG_OBJECT (hitter)))
		1197	return 0;
		1198
		1199	/* maxdam needs to be the amount of damage it took to kill
		1200	* this creature. The function(s) that call us have already
		1201	* adjusted the creatures HP total, so that is negative.
		1202	*/
		1203	maxdam = dam + op->stats.hp + 1;
		1204
		1205	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW))
		1206	update_all_los (op->map, op->x, op->y); /* makes sure los will be recalculated */
		1207
		1208	if (op->type == DOOR)
		1209	{
		1210	op->set_speed (0.1f);
		1211	op->speed_left = -0.05f;
		1212	return maxdam;
		1213	}
		1214
		1215	if (QUERY_FLAG (op, FLAG_FRIENDLY) && op->type != PLAYER)
		1216	{
		1217	op->drop_and_destroy ();
		1218	return maxdam;
		1219	}
		1220
		1221	/* Now lets start dealing with experience we get for killing something */
		1222
		1223	owner = hitter->outer_owner ();
1034	if (!owner)	1224	if (!owner)
1035	owner = hitter;	1225	owner = hitter;
1036		1226
		1227	/* is the victim (op) standing on battleground? */
		1228	if (op_on_battleground (op, NULL, NULL))
		1229	battleg = 1;
		1230
		1231	/* is this player killing? */
		1232	if (op->type == PLAYER && owner->type == PLAYER)
		1233	pk = 1;
		1234
		1235	/* Player killed something */
		1236	if (owner->type == PLAYER)
		1237	{
		1238	/* Log players killing other players - makes it easier to detect
		1239	* and filter out malicious player killers - that is why the
		1240	* ip address is included.
		1241	*/
		1242	if (op->type == PLAYER && !battleg)
		1243	{
		1244	time_t t = time (NULL);
		1245	struct tm *tmv;
		1246	char buf[256];
		1247
		1248	tmv = localtime (&t);
		1249	strftime (buf, 256, "%a %b %d %H:%M:%S %Y", tmv);
		1250
		1251	LOG (llevInfo, "%s PLAYER_KILL_PLAYER: %s (%s) killed %s\n", buf, &owner->name, owner->contr->ns->host, query_name (op));
		1252	}
		1253
		1254	/* try to filter some things out - basically, if you are
		1255	* killing a level 1 creature and your level 20, you
		1256	* probably don't want to see that.
		1257	*/
		1258	if (owner->level < op->level * 2 || op->stats.exp > 1000)
		1259	{
		1260	if (owner != hitter)
		1261	new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s with %s.", query_name (op), query_name (hitter));
		1262	else
		1263	new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s.", query_name (op));
		1264
		1265	/* Only play sounds for melee kills */
		1266	if (hitter->type == PLAYER)
		1267	owner->play_sound (sound_find ("player_kills"));
		1268	}
		1269
		1270	/* If a player kills another player, not on
		1271	* battleground, the "killer" looses 1 luck. Since this is
		1272	* not reversible, it's actually quite a pain IMHO. -AV
		1273	* Fix bug in that we were changing the luck of the hitter, not
		1274	* player that the object belonged to - so if you killed another player
		1275	* with spells, pets, whatever, there was no penalty.
		1276	* Changed to make luck penalty configurable in settings.
		1277	*/
		1278	if (op->type == PLAYER && owner != op && !battleg)
		1279	owner->change_luck (-settings.pk_luck_penalty);
		1280
		1281	/* This code below deals with finding the appropriate skill
		1282	* to credit exp to. This is a bit problematic - we should
		1283	* probably never really have to look at current_weapon->skill
		1284	*/
		1285	if (hitter->skill && hitter->type != PLAYER)
		1286	skill = hitter->skill;
		1287	else if (owner->chosen_skill)
		1288	{
		1289	skop = owner->chosen_skill;
		1290	skill = skop->skill;
		1291	}
		1292	else if (QUERY_FLAG (owner, FLAG_READY_WEAPON) && owner->current_weapon)
		1293	skill = owner->current_weapon->skill;
		1294	else
		1295	{
		1296	LOG (llevError, "BUG: kill_object - unable to find skill that killed monster\n"
		1297	"op: %s\n" "hitter: %s\n" "owner: %s\n",
		1298	owner->debug_desc (), hitter->debug_desc (), op->debug_desc ());
		1299	skill = 0;
		1300	}
		1301
		1302	/* We have the skill we want to credit to - now find the object this goes
		1303	* to. Make sure skop is an actual skill, and not a skill tool!
		1304	*/
		1305	skop = owner->contr->find_skill (skill);
		1306	} /* Was it a player that hit somethign */
		1307	else
		1308	skill = 0;
		1309
		1310	/* These may have been set in the player code section above */
		1311	if (!skop)
		1312	skop = hitter->chosen_skill;
		1313
		1314	if (!skill && skop)
		1315	skill = skop->skill;
		1316
		1317	/* If you didn't kill yourself, and your not the wizard */
		1318	if (owner != op && !QUERY_FLAG (op, FLAG_WIZ))
		1319	{
		1320	int exp;
		1321
		1322	/* Really don't give much experience for killing other players */
		1323	// schmorp: temporarily? reduce the amount of exp gained for pking enourmously
		1324	if (battleg)
		1325	{
		1326	if (op->is_player ())
		1327	{
		1328	new_draw_info (NDI_UNIQUE, 0, owner, "Your foe has fallen!");
		1329	new_draw_info (NDI_UNIQUE, 0, owner, "VICTORY!!!");
		1330	}
		1331
		1332	exp = 0;
		1333	}
		1334	else if (op->is_player ())
		1335	exp = op->stats.exp / 1000;
		1336	else
		1337	exp = calc_skill_exp (owner, op, skop);
		1338
		1339	/* Don't know why this is set this way - doesn't make
		1340	* sense to just divide everything by two for no reason.
		1341	*/
		1342
		1343	if (!settings.simple_exp)
		1344	exp = exp / 2;
		1345
		1346	if (owner->type != PLAYER || owner->contr->party == NULL)
		1347	change_exp (owner, exp, skill, 0);
		1348	else
		1349	{
		1350	int shares = 0, count = 0;
		1351	partylist *party = owner->contr->party;
		1352
		1353	add_kill_to_party (party, query_name (owner), query_name (op), exp);
		1354
		1355	for_all_players (pl)
		1356	if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
		1357	{
		1358	count++;
		1359	shares += (pl->ob->level + 4);
		1360	}
		1361
		1362	if (count == 1 || shares > exp || !shares)
		1363	change_exp (owner, exp, skill, SK_EXP_TOTAL);
		1364	else
		1365	{
		1366	int share = exp / shares, given = 0, nexp;
		1367
		1368	for_all_players (pl)
		1369	if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
		1370	{
		1371	nexp = (pl->ob->level + 4) * share;
		1372	change_exp (pl->ob, nexp, skill, SK_EXP_TOTAL);
		1373	given += nexp;
		1374	}
		1375
		1376	exp -= given;
		1377	/* give any remainder to the player */
		1378	change_exp (owner, exp, skill, SK_EXP_ADD_SKILL);
		1379	}
		1380	} /* else part of a party */
		1381	} /* end if person didn't kill himself */
		1382
		1383	if (op->type != PLAYER)
		1384	{
		1385	if (QUERY_FLAG (op, FLAG_FRIENDLY))
		1386	{
		1387	object *owner1 = op->owner;
		1388
		1389	if (owner1 && owner1->type == PLAYER)
		1390	{
		1391	owner1->contr->play_sound (sound_find ("pet_is_killed"));
		1392	/* Maybe we should include the owner that killed this, maybe not */
		1393	new_draw_info_format (NDI_UNIQUE, 0, owner1, "Your pet, the %s, was killed by %s.", &op->name, &hitter->name);
		1394	}
		1395
		1396	remove_friendly_object (op);
		1397	}
		1398
		1399	op->drop_and_destroy ();
		1400	}
		1401	else
		1402	/* Player has been killed! */
		1403	op->contr->killer = owner->type == PLAYER ? owner : hitter;
		1404
		1405	/* This was return -1 - that doesn't seem correct - if we return -1, process
		1406	* continues in the calling function.
		1407	*/
		1408	return maxdam;
		1409	}
		1410
		1411	/* Find out if this is friendly fire (PVP and attacker is peaceful) or not
		1412	* Returns 0 this is not friendly fire
		1413	*/
		1414	int
		1415	friendly_fire (object *op, object *hitter)
		1416	{
		1417	object *owner;
		1418	int friendlyfire;
		1419
		1420	if (hitter->head)
		1421	hitter = hitter->head;
		1422
		1423	friendlyfire = 0;
		1424
		1425	if (op->type == PLAYER)
		1426	{
		1427	if (op_on_battleground (hitter, 0, 0))
		1428	return 0;
		1429
		1430	if (hitter->type == PLAYER && hitter->contr->peaceful == 1)
		1431	return 1;
		1432
		1433	if ((owner = hitter->owner) != NULL)
		1434	{
		1435	if (owner->type == PLAYER && owner->contr->peaceful == 1)
		1436	friendlyfire = 2;
		1437	}
		1438
		1439	if (hitter->type == SPELL || hitter->type == POISONING || hitter->type == DISEASE || hitter->type == RUNE)
		1440	friendlyfire = 0;
		1441	}
		1442
		1443	return friendlyfire;
		1444	}
		1445
		1446	/* This isn't used just for players, but in fact most objects.
		1447	* op is the object to be hit, dam is the amount of damage, hitter
		1448	* is what is hitting the object, type is the attacktype, and
		1449	* full_hit is set if monster area does not matter.
		1450	* dam is base damage - protections/vulnerabilities/slaying matches can
		1451	* modify it.
		1452	*/
		1453	/* Oct 95 - altered the following slightly for MULTIPLE_GODS hack
		1454	* which needs new attacktype AT_HOLYWORD to work . b.t. */
		1455	int
		1456	hit_player (object *op, int dam, object *hitter, uint32_t type, int full_hit)
		1457	{
		1458	int magic = type & AT_MAGIC;
		1459	int body_attack = op && op->head; /* Did we hit op's head? */
		1460	int maxdam = 0, ndam = 0, attacktype = 1;
		1461	int maxattacktype;
		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_all_bits_sparse_32 (type, attacknum)
		1582	{
		1583	uint32_t attacktype = 1 << attacknum;
		1584
		1585	/* Magic isn't really a true attack type - it gets combined with other
		1586	* attack types. As such, skip it over. However, if magic is
		1587	* the only attacktype in the group, then still attack with it
		1588	*/
		1589	if ((attacktype == AT_MAGIC) && (type & ~AT_MAGIC))
		1590	continue;
		1591
		1592	/* Go through and hit the player with each attacktype, one by one.
		1593	* hit_player_attacktype only figures out the damage, doesn't inflict
		1594	* it. It will do the appropriate action for attacktypes with
		1595	* effects (slow, paralization, etc.
		1596	*/
		1597	ndam = hit_player_attacktype (op, hitter, dam, attacknum, magic);
		1598
		1599	/* the >= causes us to prefer messages from special attacks, if
		1600	* the damage is equal.
		1601	*/
		1602	if (ndam >= maxdam)
		1603	{
		1604	maxdam = ndam;
		1605	maxattacktype = 1 << attacknum;
		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 * 100 < op->stats.maxhp * op->run_away)
		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 friendly = QUERY_FLAG (op, FLAG_FRIENDLY);
		1707	int unaggressive = QUERY_FLAG (op, FLAG_UNAGGRESSIVE);
		1708	object *owner = op->owner;
		1709
		1710	if (!op->other_arch)
		1711	{
		1712	LOG (llevError, "SPLITTING without other_arch error.\n");
		1713	return maxdam;
		1714	}
		1715
		1716	op->remove ();
		1717
		1718	for (int i = 0; i < op->stats.food; i++)
		1719	{ /* This doesn't handle op->more yet */
		1720	object *tmp = op->other_arch->instance ();
		1721
		1722	tmp->stats.hp = op->stats.hp;
		1723
		1724	if (friendly)
		1725	{
		1726	add_friendly_object (tmp);
		1727	tmp->attack_movement = PETMOVE;
		1728
		1729	if (owner)
		1730	tmp->set_owner (owner);
		1731	}
		1732
		1733	if (unaggressive)
		1734	SET_FLAG (tmp, FLAG_UNAGGRESSIVE);
		1735
		1736	int j = find_first_free_spot (tmp, op->map, op->x, op->y);
		1737
		1738	if (j == -1) /* No spot to put this monster */
		1739	tmp->destroy ();
		1740	else
		1741	{
		1742	tmp->x = op->x + freearr_x[j], tmp->y = op->y + freearr_y[j];
		1743	insert_ob_in_map (tmp, op->map, NULL, 0);
		1744	}
		1745	}
		1746
		1747	op->destroy ();
		1748	}
		1749	else if (type & AT_DRAIN && hitter->type == GRIMREAPER && hitter->value++ > 10)
		1750	hitter->drop_and_destroy ();
		1751
		1752	return maxdam;
		1753	}
		1754
		1755	static void
		1756	poison_player (object *op, object *hitter, int dam)
		1757	{
		1758	archetype *at = archetype::find (shstr_poisoning);
		1759	object *tmp = present_arch_in_ob (at, op);
		1760
		1761	if (tmp == NULL)
		1762	{
		1763	if ((tmp = at->instance ()) == NULL)
		1764	LOG (llevError, "Failed to clone arch poisoning.\n");
		1765	else
		1766	{
		1767	tmp = insert_ob_in_ob (tmp, op);
		1768	/* peterm: give poisoning some teeth. It should
		1769	* be able to kill things better than it does:
		1770	* damage should be dependent something--I choose to
		1771	* do this: if it's a monster, the damage from the
		1772	* poisoning goes as the level of the monster/2.
		1773	* If anything else, goes as damage.
		1774	*/
		1775
		1776	if (QUERY_FLAG (hitter, FLAG_ALIVE))
		1777	tmp->stats.dam += hitter->level / 2;
		1778	else
		1779	tmp->stats.dam = dam;
		1780
		1781	tmp->set_owner (hitter); /* so we get credit for poisoning kills */
		1782	if (hitter->skill && hitter->skill != tmp->skill)
		1783	{
		1784	tmp->skill = hitter->skill;
		1785	}
		1786
		1787	tmp->stats.food += dam; /* more damage, longer poisoning */
		1788
		1789	if (op->type == PLAYER)
		1790	{
		1791	/* player looses stats, maximum is -10 of each */
		1792	tmp->stats.Con = max (-(dam / 4 + 1), -10);
		1793	tmp->stats.Str = max (-(dam / 3 + 2), -10);
		1794	tmp->stats.Dex = max (-(dam / 6 + 1), -10);
		1795	tmp->stats.Int = max (-(dam / 7 ), -10);
		1796	SET_FLAG (tmp, FLAG_APPLIED);
		1797	op->update_stats ();
		1798	new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very ill.");
		1799	op->play_sound (tmp->sound);
		1800	}
		1801
		1802	if (hitter->type == PLAYER)
		1803	new_draw_info_format (NDI_UNIQUE, 0, hitter, "You poison %s.", &op->name);
		1804	else if (hitter->owner != NULL && hitter->owner->type == PLAYER)
		1805	new_draw_info_format (NDI_UNIQUE, 0, hitter->owner, "Your %s poisons %s.", &hitter->name, &op->name);
		1806	}
		1807
		1808	tmp->speed_left = 0;
		1809	}
		1810	else
		1811	tmp->stats.food++;
		1812	}
		1813
		1814	static void
		1815	slow_player (object *op, object *hitter, int dam)
		1816	{
		1817	archetype *at = archetype::find (shstr_slowness);
		1818	object *tmp;
		1819
		1820	if (at == NULL)
		1821	LOG (llevError, "Can't find slowness archetype.\n");
		1822
		1823	if ((tmp = present_arch_in_ob (at, op)) == NULL)
		1824	{
		1825	tmp = at->instance ();
		1826	tmp = insert_ob_in_ob (tmp, op);
		1827	new_draw_info (NDI_UNIQUE, 0, op, "The world suddenly moves very fast!");
		1828	}
		1829	else
		1830	tmp->stats.food++;
		1831
1037	SET_FLAG (target, FLAG_SCARED);	1832	SET_FLAG (tmp, FLAG_APPLIED);
1038	if (!target->enemy)	1833	tmp->speed_left = 0;
1039	target->enemy = owner;	1834	op->update_stats ();
		1835	}
		1836
		1837	void
		1838	confuse_player (object *op, object *hitter, int dam)
		1839	{
		1840	object *tmp;
		1841	int maxduration;
		1842
		1843	tmp = present_in_ob_by_name (FORCE, shstr_confusion, op);
		1844	if (!tmp)
		1845	{
		1846	tmp = get_archetype (FORCE_NAME);
		1847	tmp = insert_ob_in_ob (tmp, op);
		1848	}
		1849
		1850	/* Duration added per hit and max. duration of confusion both depend
		1851	* on the player's resistance
		1852	*/
		1853	tmp->speed = 0.05;
		1854	tmp->subtype = FORCE_CONFUSION;
		1855	tmp->duration = 8 + max (1, 5 * (100 - op->resist[ATNR_CONFUSION]) / 100);
		1856	tmp->name = shstr_confusion;
		1857	maxduration = max (2, 30 * (100 - op->resist[ATNR_CONFUSION]) / 100);
		1858
		1859	if (tmp->duration > maxduration)
		1860	tmp->duration = maxduration;
		1861
		1862	if (op->type == PLAYER && !QUERY_FLAG (op, FLAG_CONFUSED))
		1863	new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very confused!");
		1864
		1865	SET_FLAG (op, FLAG_CONFUSED);
		1866	}
		1867
		1868	void
		1869	blind_player (object *op, object *hitter, int dam)
		1870	{
		1871	object *tmp, *owner;
		1872
		1873	/* Save some work if we know it isn't going to affect the player */
		1874	if (op->resist[ATNR_BLIND] == 100)
		1875	return;
		1876
		1877	tmp = present_in_ob (BLINDNESS, op);
		1878	if (!tmp)
		1879	{
		1880	tmp = get_archetype (shstr_blindness);
		1881	SET_FLAG (tmp, FLAG_BLIND);
		1882	SET_FLAG (tmp, FLAG_APPLIED);
		1883	/* use floats so we don't lose too much precision due to rounding errors.
		1884	* speed is a float anyways.
		1885	*/
		1886	tmp->speed = tmp->speed * (100.0 - (float) op->resist[ATNR_BLIND]) / 100;
		1887
		1888	tmp = insert_ob_in_ob (tmp, op);
		1889	change_abil (op, tmp); /* Mostly to display any messages */
		1890	op->update_stats (); /* This takes care of some other stuff */
		1891
		1892	if (hitter->owner)
		1893	owner = hitter->owner;
		1894	else
		1895	owner = hitter;
		1896
		1897	new_draw_info_format (NDI_UNIQUE, 0, owner, "Your attack blinds %s!", query_name (op));
		1898	}
		1899	tmp->stats.food += dam;
		1900	if (tmp->stats.food > 10)
		1901	tmp->stats.food = 10;
		1902	}
		1903
		1904	void
		1905	paralyze_player (object *op, object *hitter, int dam)
		1906	{
		1907	/* This is strange stuff... someone knows for what this is
		1908	* written? Well, i think this can and should be removed
		1909	*/
		1910
		1911	/*
		1912	if((tmp=present(PARAIMAGE,op->map,op->x,op->y))==NULL) {
		1913	tmp=clone_arch(PARAIMAGE);
		1914	tmp->x=op->x,tmp->y=op->y;
		1915	insert_ob_in_map(tmp,op->map,tmp,INS_NO_MERGE | INS_NO_WALK_ON);
		1916	}
		1917	*/
		1918
		1919	/* Do this as a float - otherwise, rounding might very well reduce this to 0 */
		1920	float effect = dam * 3.f * (100.f - op->resist[ATNR_PARALYZE]) / 100.f;
		1921
		1922	op->speed_left -= op->speed * effect;
		1923	/* tmp->stats.food+=(signed short) effect/op->speed; */
		1924
		1925	/* max number of ticks to be affected for. */
		1926	float max = (100 - op->resist[ATNR_PARALYZE]) / 2;
		1927
		1928	max_it (op->speed_left, -op->speed * max);
		1929
		1930	/* tmp->stats.food = (signed short) (max / op->speed); */
		1931	}
		1932
		1933	/* Attempts to kill 'op'. hitter is the attack object, dam is
		1934	* the computed damaged.
		1935	*/
		1936	static void
		1937	deathstrike_player (object *op, object *hitter, int *dam)
		1938	{
		1939	/* The intention of a death attack is to kill outright things
		1940	** that are a lot weaker than the attacker, have a chance of killing
		1941	** things somewhat weaker than the caster, and no chance of
		1942	** killing something equal or stronger than the attacker.
		1943	** Also, if a deathstrike attack has a slaying, any monster
		1944	** whose name or race matches a comma-delimited list in the slaying
		1945	** field of the deathstriking object */
		1946
		1947	int atk_lev, def_lev, kill_lev;
		1948
		1949	if (hitter->slaying)
		1950	if (!((QUERY_FLAG (op, FLAG_UNDEAD) && hitter->slaying.contains (shstr_undead))
		1951	|| (op->race && hitter->slaying.contains (op->race))))
		1952	return;
		1953
		1954	def_lev = op->level;
		1955	if (def_lev < 1)
		1956	{
		1957	LOG (llevError, "BUG: arch %s with level < 1 (%s)\n", &op->arch->archname, op->debug_desc ());
		1958	def_lev = 1;
		1959	}
		1960
		1961	atk_lev = (hitter->chosen_skill ? hitter->chosen_skill->level : hitter->level) / 2;
		1962	/* LOG(llevDebug,"Deathstrike - attack level %d, defender level %d\n",
		1963	atk_lev, def_lev); */
		1964
		1965	if (atk_lev >= def_lev)
		1966	{
		1967	kill_lev = random_roll (0, atk_lev - 1, hitter, PREFER_HIGH);
		1968
		1969	/* Note that the below effectively means the ratio of the atk vs
		1970	* defener level is important - if level 52 character has very little
		1971	* chance of killing a level 50 monster. This should probably be
		1972	* redone.
		1973	*/
		1974	if (kill_lev >= def_lev)
		1975	{
		1976	*dam = op->stats.hp + 10; /* take all hp. they can still save for 1/2 */
		1977	/* I think this doesn't really do much. Because of
		1978	* integer rounding, this only makes any difference if the
		1979	* attack level is double the defender level.
		1980	*/
		1981	*dam *= kill_lev / def_lev;
		1982	}
		1983	}
		1984	else
		1985	*dam = 0; /* no harm done */
1040	}	1986	}
1041		1987
1042	/* This returns the amount of damage hitter does to op with the	1988	/* This returns the amount of damage hitter does to op with the
1043	* appropriate attacktype. Only 1 attacktype should be set at a time.	1989	* appropriate attacktype. Only 1 attacktype should be set at a time.
1044	* This doesn't damage the player, but returns how much it should	1990	* This doesn't damage the player, but returns how much it should
…		…
1069	if (attacknum == ATNR_INTERNAL)	2015	if (attacknum == ATNR_INTERNAL)
1070	return dam;	2016	return dam;
1071		2017
1072	if (hitter->slaying)	2018	if (hitter->slaying)
1073	{	2019	{
1074	if ((op->race && strstr (hitter->slaying, op->race))	2020	if ((op->race && hitter->slaying.contains (op->race))
1075	|| (op->arch && op->arch->archname && strstr (op->arch->archname, hitter->slaying)))	2021	|| (op->arch && op->arch->archname.contains (hitter->slaying)))
1076	{	2022	{
1077	doesnt_slay = 0;	2023	doesnt_slay = 0;
1078	dam *= 3;	2024	dam *= 3;
1079	}	2025	}
1080	}	2026	}
…		…
1126	case ATNR_BLIND:	2072	case ATNR_BLIND:
1127	{	2073	{
1128	/* chance for inflicting a special attack depends on the	2074	/* chance for inflicting a special attack depends on the
1129	* difference between attacker's and defender's level	2075	* difference between attacker's and defender's level
1130	*/	2076	*/
1131	int level_diff = MIN (110, MAX (0, op->level - hitter->level));	2077	int level_diff = min (110, max (0, op->level - hitter->level));
1132		2078
1133	/* First, only creatures/players with speed can be affected.	2079	/* First, only creatures/players with speed can be affected.
1134	* Second, just getting hit doesn't mean it always affects	2080	* Second, just getting hit doesn't mean it always affects
1135	* you. Third, you still get a saving through against the	2081	* you. Third, you still get a saving through against the
1136	* effect.	2082	* effect.
1137	*/	2083	*/
1138	if (op->speed &&	2084	if (op->has_active_speed ()
1139	(QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER) &&	2085	&& (QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER)
		2086	&& !(rndm (0, (attacknum == ATNR_SLOW ? 6 : 3) - 1))
1140	!(rndm (0, (attacknum == ATNR_SLOW ? 6 : 3) - 1)) && !did_make_save (op, level_diff, op->resist[attacknum] / 10))	2087	&& !did_make_save (op, level_diff, op->resist[attacknum] / 10))
1141	{	2088	{
1142		2089
1143	/* Player has been hit by something */	2090	/* Player has been hit by something */
1144	if (attacknum == ATNR_CONFUSION)	2091	if (attacknum == ATNR_CONFUSION)
1145	confuse_player (op, hitter, dam);	2092	confuse_player (op, hitter, dam);
…		…
1282	object *god = find_god (determine_god (owner));	2229	object *god = find_god (determine_god (owner));
1283	int div = 1;	2230	int div = 1;
1284		2231
1285	/* if undead are not an enemy of your god, you turn them	2232	/* if undead are not an enemy of your god, you turn them
1286	* at half strength */	2233	* at half strength */
1287	if (!god || !god->slaying || strstr (god->slaying, shstr_undead) == NULL)	2234	if (!god || !god->slaying.contains (shstr_undead))
1288	div = 2;	2235	div = 2;
1289		2236
1290	/* Give a bonus if you resist turn undead */	2237	/* Give a bonus if you resist turn undead */
1291	if (op->level * div < (turn_bonus[owner->stats.Wis] + owner->level + (op->resist[ATNR_TURN_UNDEAD] / 100)))	2238	if (op->level * div < (turn_bonus[owner->stats.Wis] + owner->level + (op->resist[ATNR_TURN_UNDEAD] / 100)))
1292	scare_creature (op, owner);	2239	scare_creature (op, owner);
…		…
1364	}	2311	}
1365		2312
1366	return dam;	2313	return dam;
1367	}	2314	}
1368		2315
1369	/* GROS: This code comes from hit_player. It has been made external to
1370	* allow script procedures to "kill" objects in a combat-like fashion.
1371	* It was initially used by (kill-object) developed for the Collector's
1372	* Sword. Note that nothing has been changed from the original version
1373	* of the following code.
1374	* op is what is being killed.
1375	* dam is the damage done to it.
1376	* hitter is what is hitting it.
1377	* type is the attacktype.
1378	*
1379	* This function was a bit of a mess with hitter getting changed,
1380	* values being stored away but not used, etc. I've cleaned it up
1381	* a bit - I think it should be functionally equivalant.
1382	* MSW 2002-07-17
1383	*/
1384	int
1385	kill_object (object *op, int dam, object *hitter, int type)
1386	{
1387	char buf[MAX_BUF];
1388	const char *skill;
1389	int maxdam = 0;
1390	int battleg = 0; /* true if op standing on battleground */
1391	int pk = 0; /* true if op and what controls hitter are both players */
1392	object *owner = 0;
1393	object *skop = 0;
1394
1395	if (op->stats.hp >= 0)
1396	return -1;
1397
1398	if (INVOKE_OBJECT (KILL, op, ARG_OBJECT (hitter)))
1399	return 0;
1400
1401	/* maxdam needs to be the amount of damage it took to kill
1402	* this creature. The function(s) that call us have already
1403	* adjusted the creatures HP total, so that is negative.
1404	*/
1405	maxdam = dam + op->stats.hp + 1;
1406
1407	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW))
1408	update_all_los (op->map, op->x, op->y); /* makes sure los will be recalculated */
1409
1410	if (op->type == DOOR)
1411	{
1412	op->set_speed (0.1f);
1413	op->speed_left = -0.05f;
1414	return maxdam;
1415	}
1416
1417	if (QUERY_FLAG (op, FLAG_FRIENDLY) && op->type != PLAYER)
1418	{
1419	op->destroy ();
1420	return maxdam;
1421	}
1422
1423	/* Now lets start dealing with experience we get for killing something */
1424
1425	owner = hitter->owner;
1426	if (!owner)
1427	owner = hitter;
1428
1429	/* is the victim (op) standing on battleground? */
1430	if (op_on_battleground (op, NULL, NULL))
1431	battleg = 1;
1432
1433	/* is this player killing? */
1434	if (op->type == PLAYER && owner->type == PLAYER)
1435	pk = 1;
1436
1437	/* Player killed something */
1438	if (owner->type == PLAYER)
1439	{
1440	/* Log players killing other players - makes it easier to detect
1441	* and filter out malicious player killers - that is why the
1442	* ip address is included.
1443	*/
1444	if (op->type == PLAYER && !battleg)
1445	{
1446	time_t t = time (NULL);
1447	struct tm *tmv;
1448	char buf[256];
1449
1450	tmv = localtime (&t);
1451	strftime (buf, 256, "%a %b %d %H:%M:%S %Y", tmv);
1452
1453	LOG (llevInfo, "%s PLAYER_KILL_PLAYER: %s (%s) killed %s\n", buf, &owner->name, owner->contr->ns->host, query_name (op));
1454	}
1455
1456	/* try to filter some things out - basically, if you are
1457	* killing a level 1 creature and your level 20, you
1458	* probably don't want to see that.
1459	*/
1460	if (owner->level < op->level * 2 || op->stats.exp > 1000)
1461	{
1462	if (owner != hitter)
1463	new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s with %s.", query_name (op), query_name (hitter));
1464	else
1465	new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s.", query_name (op));
1466
1467	/* Only play sounds for melee kills */
1468	if (hitter->type == PLAYER)
1469	owner->play_sound (sound_find ("player_kills"));
1470	}
1471
1472	/* If a player kills another player, not on
1473	* battleground, the "killer" looses 1 luck. Since this is
1474	* not reversible, it's actually quite a pain IMHO. -AV
1475	* Fix bug in that we were changing the luck of the hitter, not
1476	* player that the object belonged to - so if you killed another player
1477	* with spells, pets, whatever, there was no penalty.
1478	* Changed to make luck penalty configurable in settings.
1479	*/
1480	if (op->type == PLAYER && owner != op && !battleg)
1481	owner->change_luck (-settings.pk_luck_penalty);
1482
1483	/* This code below deals with finding the appropriate skill
1484	* to credit exp to. This is a bit problematic - we should
1485	* probably never really have to look at current_weapon->skill
1486	*/
1487	skill = 0;
1488
1489	if (hitter->skill && hitter->type != PLAYER)
1490	skill = hitter->skill;
1491	else if (owner->chosen_skill)
1492	{
1493	skop = owner->chosen_skill;
1494	skill = skop->skill;
1495	}
1496	else if (QUERY_FLAG (owner, FLAG_READY_WEAPON))
1497	skill = owner->current_weapon->skill;
1498	else
1499	LOG (llevError, "kill_object - unable to find skill that killed monster\n");
1500
1501	/* We have the skill we want to credit to - now find the object this goes
1502	* to. Make sure skop is an actual skill, and not a skill tool!
1503	*/
1504	if ((!skop || skop->type != SKILL) && skill)
1505	{
1506	int i;
1507
1508	for (i = 0; i < NUM_SKILLS; i++)
1509	if (owner->contr->last_skill_ob[i] && !strcmp (owner->contr->last_skill_ob[i]->skill, skill))
1510	{
1511	skop = owner->contr->last_skill_ob[i];
1512	break;
1513	}
1514	}
1515	} /* Was it a player that hit somethign */
1516	else
1517	skill = 0;
1518
1519	/* Pet (or spell) killed something. */
1520	if (owner != hitter)
1521	sprintf (buf, "%s killed %s with %s%s%s.", &owner->name,
1522	query_name (op), query_name (hitter), battleg ? " (duel)" : "", pk ? " (pk)" : "");
1523	else
1524	sprintf (buf, "%s killed %s%s%s%s.", &hitter->name, &op->name,
1525	(QUERY_FLAG (hitter, FLAG_MONSTER)) || hitter->type == PLAYER ?
1526	" in hand to hand combat" : "", battleg ? " (duel)" : "", pk ? " (pk)" : "");
1527
1528	/* These may have been set in the player code section above */
1529	if (!skop)
1530	skop = hitter->chosen_skill;
1531
1532	if (!skill && skop)
1533	skill = skop->skill;
1534
1535	new_draw_info (NDI_ALL, op->type == PLAYER ? 1 : 10, NULL, buf);
1536
1537	/* If you didn't kill yourself, and your not the wizard */
1538	if (owner != op && !QUERY_FLAG (op, FLAG_WIZ))
1539	{
1540	int exp;
1541
1542	/* Really don't give much experience for killing other players */
1543	// schmorp: temporarily? reduce the amount of exp gained for pking enourmously
1544	if (op->type == PLAYER)
1545	{
1546	if (battleg)
1547	{
1548	new_draw_info (NDI_UNIQUE, 0, owner, "Your foe has fallen!");
1549	new_draw_info (NDI_UNIQUE, 0, owner, "VICTORY!!!");
1550	}
1551	else
1552	exp = op->stats.exp / 1000;
1553	}
1554	else
1555	exp = calc_skill_exp (owner, op, skop);
1556
1557	/* if op is standing on "battleground" (arena), no way to gain
1558	* exp by killing him
1559	*/
1560	if (battleg)
1561	exp = 0;
1562
1563	/* Don't know why this is set this way - doesn't make
1564	* sense to just divide everything by two for no reason.
1565	*/
1566
1567	if (!settings.simple_exp)
1568	exp = exp / 2;
1569
1570	if (owner->type != PLAYER || owner->contr->party == NULL)
1571	change_exp (owner, exp, skill, 0);
1572	else
1573	{
1574	int shares = 0, count = 0;
1575	partylist *party = owner->contr->party;
1576
1577	add_kill_to_party (party, query_name (owner), query_name (op), exp);
1578
1579	for_all_players (pl)
1580	if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1581	{
1582	count++;
1583	shares += (pl->ob->level + 4);
1584	}
1585
1586	if (count == 1 || shares > exp || !shares)
1587	change_exp (owner, exp, skill, SK_EXP_TOTAL);
1588	else
1589	{
1590	int share = exp / shares, given = 0, nexp;
1591
1592	for_all_players (pl)
1593	if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1594	{
1595	nexp = (pl->ob->level + 4) * share;
1596	change_exp (pl->ob, nexp, skill, SK_EXP_TOTAL);
1597	given += nexp;
1598	}
1599
1600	exp -= given;
1601	/* give any remainder to the player */
1602	change_exp (owner, exp, skill, SK_EXP_ADD_SKILL);
1603	}
1604	} /* else part of a party */
1605	} /* end if person didn't kill himself */
1606
1607	if (op->type != PLAYER)
1608	{
1609	if (QUERY_FLAG (op, FLAG_FRIENDLY))
1610	{
1611	object *owner1 = op->owner;
1612
1613	if (owner1 && owner1->type == PLAYER)
1614	{
1615	owner1->contr->play_sound (sound_find ("pet_is_killed"));
1616	/* Maybe we should include the owner that killed this, maybe not */
1617	new_draw_info_format (NDI_UNIQUE, 0, owner1, "Your pet, the %s, is killed by %s.", &op->name, &hitter->name);
1618	}
1619
1620	remove_friendly_object (op);
1621	}
1622
1623	op->destroy ();
1624	}
1625	else
1626	/* Player has been killed! */
1627	op->contr->killer = owner->type == PLAYER ? owner : hitter;
1628
1629	/* This was return -1 - that doesn't seem correct - if we return -1, process
1630	* continues in the calling function.
1631	*/
1632	return maxdam;
1633	}
1634
1635	/* Find out if this is friendly fire (PVP and attacker is peaceful) or not
1636	* Returns 0 this is not friendly fire
1637	*/
1638	int
1639	friendly_fire (object *op, object *hitter)
1640	{
1641	object *owner;
1642	int friendlyfire;
1643
1644	if (hitter->head)
1645	hitter = hitter->head;
1646
1647	friendlyfire = 0;
1648
1649	if (op->type == PLAYER)
1650	{
1651	if (op_on_battleground (hitter, 0, 0))
1652	return 0;
1653
1654	if (hitter->type == PLAYER && hitter->contr->peaceful == 1)
1655	return 1;
1656
1657	if ((owner = hitter->owner) != NULL)
1658	{
1659	if (owner->type == PLAYER && owner->contr->peaceful == 1)
1660	friendlyfire = 2;
1661	}
1662
1663	if (hitter->type == SPELL || hitter->type == POISONING || hitter->type == DISEASE || hitter->type == RUNE)
1664	friendlyfire = 0;
1665	}
1666
1667	return friendlyfire;
1668	}
1669
1670	/* This isn't used just for players, but in fact most objects.
1671	* op is the object to be hit, dam is the amount of damage, hitter
1672	* is what is hitting the object, type is the attacktype, and
1673	* full_hit is set if monster area does not matter.
1674	* dam is base damage - protections/vulnerabilities/slaying matches can
1675	* modify it.
1676	*/
1677	/* Oct 95 - altered the following slightly for MULTIPLE_GODS hack
1678	* which needs new attacktype AT_HOLYWORD to work . b.t. */
1679	int
1680	hit_player (object *op, int dam, object *hitter, int type, int full_hit)
1681	{
1682	int maxdam = 0, ndam = 0, attacktype = 1, magic = (type & AT_MAGIC);
1683	int maxattacktype, attacknum;
1684	int body_attack = op && op->head; /* Did we hit op's head? */
1685	int simple_attack;
1686	int rtn_kill = 0;
1687	int friendlyfire;
1688
1689	if (get_attack_mode (&op, &hitter, &simple_attack))
1690	return 0;
1691
1692	/* very simple: if our target has no_damage 1 set or is wiz, we can't hurt him */
1693	if (QUERY_FLAG (op, FLAG_WIZ) || QUERY_FLAG (op, FLAG_NO_DAMAGE))
1694	return 0;
1695
1696	// only allow pk for hostile players
1697	if (op->type == PLAYER)
1698	{
1699	object *owner = hitter->owner;
1700
1701	if (!owner)
1702	owner = hitter;
1703
1704	if (owner->type == PLAYER
1705	&& (!op_on_battleground (op, 0, 0)
1706	&& (op->contr->peaceful || owner->contr->peaceful))
1707	&& op != owner)
1708	return 0;
1709	}
1710
1711	if (body_attack)
1712	{
1713	/* slow and paralyze must hit the head. But we don't want to just
1714	* return - we still need to process other attacks the spell still
1715	* might have. So just remove the paralyze and slow attacktypes,
1716	* and keep on processing if we have other attacktypes.
1717	* return if only magic or nothing is left - under normal code
1718	* we don't attack with pure magic if there is another attacktype.
1719	* Only do processing if the initial attacktype includes one of those
1720	* attack so we don't cancel out things like magic bullet.
1721	*/
1722	if (type & (AT_PARALYZE | AT_SLOW))
1723	{
1724	type &= ~(AT_PARALYZE | AT_SLOW);
1725
1726	if (!type || type == AT_MAGIC)
1727	return 0;
1728	}
1729	}
1730
1731	if (!simple_attack && op->type == DOOR)
1732	{
1733	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1734	if (tmp->type == RUNE || tmp->type == TRAP)
1735	{
1736	spring_trap (tmp, hitter);
1737
1738	if (hitter->destroyed () || op->destroyed () || abort_attack (op, hitter, simple_attack))
1739	return 0;
1740
1741	break;
1742	}
1743	}
1744
1745	if (!QUERY_FLAG (op, FLAG_ALIVE) || op->stats.hp < 0)
1746	{
1747	/* FIXME: If a player is killed by a rune in a door, the
1748	* destroyed() check above doesn't return, and might get here.
1749	*/
1750
1751	/* FIXME: This for example happens when a dead door is on a mover and
1752	gets it's speed_left raised on each mover-tick.
1753	Doors are removed in a kinda funny way by giving them speed and speed_left
1754	and waiting for that to run out.
1755	*/
1756	LOG (llevDebug, "victim %s (%d) already dead in hit_player()\n", op->debug_desc (), op->stats.hp);
1757	return 0;
1758	}
1759
1760	#ifdef ATTACK_DEBUG
1761	LOG (llevDebug, "hit player: attacktype %d, dam %d\n", type, dam);
1762	#endif
1763
1764	if (magic)
1765	{
1766	/* basically: dam = dam*(100-op->resist[attacknum])/100;
1767	* in case 0>dam>1, we try to "simulate" a float value-effect */
1768	dam = dam * (100 - op->resist[ATNR_MAGIC]);
1769	if (dam >= 100)
1770	dam /= 100;
1771	else
1772	dam = (dam > rndm (0, 99)) ? 1 : 0;
1773	}
1774
1775	/* AT_CHAOS here is a weapon or monster. Spells are handled by hit_map
1776	* If the attacktype still has chaos, shuffle it, then clear the Chaos bit
1777	*/
1778	if (type & AT_CHAOS)
1779	{
1780	shuffle_attack (op, 0); /*0 flag tells it to not change the face */
1781	update_object (op, UP_OBJ_FACE);
1782	type &= ~AT_CHAOS;
1783	}
1784
1785	/* Holyword is really an attacktype modifier (like magic is). If
1786	* holyword is part of an attacktype, then make sure the creature is
1787	* a proper match, otherwise no damage.
1788	*/
1789	if (type & AT_HOLYWORD)
1790	{
1791	object *god;
1792
1793	if ((!hitter->slaying ||
1794	(!(op->race && strstr (hitter->slaying, op->race)) &&
1795	!(op->name && strstr (hitter->slaying, op->name)))) &&
1796	(!QUERY_FLAG (op, FLAG_UNDEAD) ||
1797	(hitter->title != NULL
1798	&& (god = find_god (determine_god (hitter))) != NULL && god->race != NULL && strstr (god->race, shstr_undead) != NULL)))
1799	return 0;
1800	}
1801
1802	maxattacktype = type; /* initialise this to something */
1803	for (attacknum = 0; attacknum < NROFATTACKS; attacknum++, attacktype = 1 << attacknum)
1804	{
1805	/* Magic isn't really a true attack type - it gets combined with other
1806	* attack types. As such, skip it over. However, if magic is
1807	* the only attacktype in the group, then still attack with it
1808	*/
1809	if ((attacktype == AT_MAGIC) && (type & ~AT_MAGIC))
1810	continue;
1811
1812	/* Go through and hit the player with each attacktype, one by one.
1813	* hit_player_attacktype only figures out the damage, doesn't inflict
1814	* it. It will do the appropriate action for attacktypes with
1815	* effects (slow, paralization, etc.
1816	*/
1817	if (type & attacktype)
1818	{
1819	ndam = hit_player_attacktype (op, hitter, dam, attacknum, magic);
1820	/* the >= causes us to prefer messages from special attacks, if
1821	* the damage is equal.
1822	*/
1823	if (ndam >= maxdam)
1824	{
1825	maxdam = ndam;
1826	maxattacktype = 1 << attacknum;
1827	}
1828	}
1829	}
1830
1831	/* if this is friendly fire then do a set % of damage only
1832	* Note - put a check in to make sure this attack is actually
1833	* doing damage - otherwise, the +1 in the code below will make
1834	* an attack do damage before when it otherwise didn't
1835	*/
1836	friendlyfire = friendly_fire (op, hitter);
1837	if (friendlyfire && maxdam)
1838	{
1839	maxdam = ((dam * settings.set_friendly_fire) / 100);
1840
1841	#ifdef ATTACK_DEBUG
1842	LOG (llevDebug, "Friendly fire (type:%d setting: %d%) did %d damage dropped to %d\n",
1843	friendlyfire, settings.set_friendly_fire, dam, maxdam);
1844	#endif
1845	}
1846
1847	if (!full_hit)
1848	{
1849	int area;
1850	int remainder;
1851
1852	area = 0;
1853
1854	for (archetype *at = op->arch; at; at = (archetype *)at->more)
1855	area++;
1856
1857	assert (area > 0);
1858
1859	/* basically: maxdam /= area; we try to "simulate" a float
1860	value-effect */
1861	remainder = 100 * (maxdam % area) / area;
1862	maxdam /= area;
1863	if (rndm (100) < remainder)
1864	maxdam++;
1865	}
1866
1867	#ifdef ATTACK_DEBUG
1868	LOG (llevDebug, "Attacktype %d did %d damage\n", type, maxdam);
1869	#endif
1870
1871	// for now, only do this for active objects, otherwise they
1872	// keep a refcount for a long time and I see no usefulness
1873	// for an non-active objetc to know its enemy.
1874	if (op->active)
1875	if (hitter->owner)
1876	op->enemy = hitter->owner;
1877	else if (QUERY_FLAG (hitter, FLAG_ALIVE))
1878	op->enemy = hitter;
1879
1880	if (QUERY_FLAG (op, FLAG_UNAGGRESSIVE) && op->type != PLAYER)
1881	{
1882	/* The unaggressives look after themselves 8) */
1883	CLEAR_FLAG (op, FLAG_UNAGGRESSIVE);
1884	npc_call_help (op);
1885	}
1886
1887	if (magic && did_make_save (op, op->level, 0))
1888	maxdam = maxdam / 2;
1889
1890	attack_message (maxdam, maxattacktype, op, hitter);
1891
1892	op->stats.hp -= maxdam;
1893
1894	/* Eneq(@csd.uu.se): Check to see if monster runs away. */
1895	if ((op->stats.hp >= 0) &&
1896	(QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER) &&
1897	op->stats.hp < (signed short) (((float) op->run_away / (float) 100) * (float) op->stats.maxhp))
1898	{
1899
1900	if (QUERY_FLAG (op, FLAG_MONSTER))
1901	SET_FLAG (op, FLAG_RUN_AWAY);
1902	else
1903	scare_creature (op, hitter);
1904	}
1905
1906	if (QUERY_FLAG (op, FLAG_TEAR_DOWN))
1907	{
1908	if (maxdam)
1909	tear_down_wall (op);
1910
1911	return maxdam; /* nothing more to do for wall */
1912	}
1913
1914	/* See if the creature has been killed */
1915	rtn_kill = kill_object (op, maxdam, hitter, type);
1916	if (rtn_kill != -1)
1917	return rtn_kill;
1918
1919
1920	/* Used to be ghosthit removal - we now use the ONE_HIT flag. Note
1921	* that before if the player was immune to ghosthit, the monster
1922	* remained - that is no longer the case.
1923	*/
1924	if (QUERY_FLAG (hitter, FLAG_ONE_HIT))
1925	hitter->destroy ();
1926
1927	/* Lets handle creatures that are splitting now */
1928	else if (type & AT_PHYSICAL && !QUERY_FLAG (op, FLAG_FREED) && QUERY_FLAG (op, FLAG_SPLITTING))
1929	{
1930	int i;
1931	int friendly = QUERY_FLAG (op, FLAG_FRIENDLY);
1932	int unaggressive = QUERY_FLAG (op, FLAG_UNAGGRESSIVE);
1933	object *owner = op->owner;
1934
1935	if (!op->other_arch)
1936	{
1937	LOG (llevError, "SPLITTING without other_arch error.\n");
1938	return maxdam;
1939	}
1940
1941	op->remove ();
1942
1943	for (i = 0; i < op->stats.food; i++)
1944	{ /* This doesn't handle op->more yet */
1945	object *tmp = arch_to_object (op->other_arch);
1946	int j;
1947
1948	tmp->stats.hp = op->stats.hp;
1949
1950	if (friendly)
1951	{
1952	add_friendly_object (tmp);
1953	tmp->attack_movement = PETMOVE;
1954
1955	if (owner)
1956	tmp->set_owner (owner);
1957	}
1958
1959	if (unaggressive)
1960	SET_FLAG (tmp, FLAG_UNAGGRESSIVE);
1961
1962	j = find_first_free_spot (tmp, op->map, op->x, op->y);
1963
1964	if (j == -1) /* No spot to put this monster */
1965	tmp->destroy ();
1966	else
1967	{
1968	tmp->x = op->x + freearr_x[j], tmp->y = op->y + freearr_y[j];
1969	insert_ob_in_map (tmp, op->map, NULL, 0);
1970	}
1971	}
1972
1973	op->destroy ();
1974	}
1975	else if (type & AT_DRAIN && hitter->type == GRIMREAPER && hitter->value++ > 10)
1976	hitter->destroy ();
1977
1978	return maxdam;
1979	}
1980
1981	void
1982	poison_player (object *op, object *hitter, int dam)
1983	{
1984	archetype *at = archetype::find ("poisoning");
1985	object *tmp = present_arch_in_ob (at, op);
1986
1987	if (tmp == NULL)
1988	{
1989	if ((tmp = arch_to_object (at)) == NULL)
1990	LOG (llevError, "Failed to clone arch poisoning.\n");
1991	else
1992	{
1993	tmp = insert_ob_in_ob (tmp, op);
1994	/* peterm: give poisoning some teeth. It should
1995	* be able to kill things better than it does:
1996	* damage should be dependent something--I choose to
1997	* do this: if it's a monster, the damage from the
1998	* poisoning goes as the level of the monster/2.
1999	* If anything else, goes as damage.
2000	*/
2001
2002	if (QUERY_FLAG (hitter, FLAG_ALIVE))
2003	tmp->stats.dam += hitter->level / 2;
2004	else
2005	tmp->stats.dam = dam;
2006
2007	tmp->set_owner (hitter); /* so we get credit for poisoning kills */
2008	if (hitter->skill && hitter->skill != tmp->skill)
2009	{
2010	tmp->skill = hitter->skill;
2011	}
2012
2013	tmp->stats.food += dam; /* more damage, longer poisoning */
2014
2015	if (op->type == PLAYER)
2016	{
2017	/* player looses stats, maximum is -10 of each */
2018	tmp->stats.Con = MAX (-(dam / 4 + 1), -10);
2019	tmp->stats.Str = MAX (-(dam / 3 + 2), -10);
2020	tmp->stats.Dex = MAX (-(dam / 6 + 1), -10);
2021	tmp->stats.Int = MAX (-dam / 7, -10);
2022	SET_FLAG (tmp, FLAG_APPLIED);
2023	op->update_stats ();
2024	new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very ill.");
2025	op->play_sound (tmp->sound);
2026	}
2027
2028	if (hitter->type == PLAYER)
2029	new_draw_info_format (NDI_UNIQUE, 0, hitter, "You poison %s.", &op->name);
2030	else if (hitter->owner != NULL && hitter->owner->type == PLAYER)
2031	new_draw_info_format (NDI_UNIQUE, 0, hitter->owner, "Your %s poisons %s.", &hitter->name, &op->name);
2032	}
2033
2034	tmp->speed_left = 0;
2035	}
2036	else
2037	tmp->stats.food++;
2038	}
2039
2040	void
2041	slow_player (object *op, object *hitter, int dam)
2042	{
2043	archetype *at = archetype::find ("slowness");
2044	object *tmp;
2045
2046	if (at == NULL)
2047	LOG (llevError, "Can't find slowness archetype.\n");
2048
2049	if ((tmp = present_arch_in_ob (at, op)) == NULL)
2050	{
2051	tmp = arch_to_object (at);
2052	tmp = insert_ob_in_ob (tmp, op);
2053	new_draw_info (NDI_UNIQUE, 0, op, "The world suddenly moves very fast!");
2054	}
2055	else
2056	tmp->stats.food++;
2057
2058	SET_FLAG (tmp, FLAG_APPLIED);
2059	tmp->speed_left = 0;
2060	op->update_stats ();
2061	}
2062
2063	void
2064	confuse_player (object *op, object *hitter, int dam)
2065	{
2066	object *tmp;
2067	int maxduration;
2068
2069	tmp = present_in_ob_by_name (FORCE, "confusion", op);
2070	if (!tmp)
2071	{
2072	tmp = get_archetype (FORCE_NAME);
2073	tmp = insert_ob_in_ob (tmp, op);
2074	}
2075
2076	/* Duration added per hit and max. duration of confusion both depend
2077	* on the player's resistance
2078	*/
2079	tmp->speed = 0.05;
2080	tmp->subtype = FORCE_CONFUSION;
2081	tmp->duration = 8 + MAX (1, 5 * (100 - op->resist[ATNR_CONFUSION]) / 100);
2082	tmp->name = "confusion";
2083	maxduration = MAX (2, 30 * (100 - op->resist[ATNR_CONFUSION]) / 100);
2084
2085	if (tmp->duration > maxduration)
2086	tmp->duration = maxduration;
2087
2088	if (op->type == PLAYER && !QUERY_FLAG (op, FLAG_CONFUSED))
2089	new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very confused!");
2090
2091	SET_FLAG (op, FLAG_CONFUSED);
2092	}
2093
2094	void
2095	blind_player (object *op, object *hitter, int dam)
2096	{
2097	object *tmp, *owner;
2098
2099	/* Save some work if we know it isn't going to affect the player */
2100	if (op->resist[ATNR_BLIND] == 100)
2101	return;
2102
2103	tmp = present_in_ob (BLINDNESS, op);
2104	if (!tmp)
2105	{
2106	tmp = get_archetype ("blindness");
2107	SET_FLAG (tmp, FLAG_BLIND);
2108	SET_FLAG (tmp, FLAG_APPLIED);
2109	/* use floats so we don't lose too much precision due to rounding errors.
2110	* speed is a float anyways.
2111	*/
2112	tmp->speed = tmp->speed * (100.0 - (float) op->resist[ATNR_BLIND]) / 100;
2113
2114	tmp = insert_ob_in_ob (tmp, op);
2115	change_abil (op, tmp); /* Mostly to display any messages */
2116	op->update_stats (); /* This takes care of some other stuff */
2117
2118	if (hitter->owner)
2119	owner = hitter->owner;
2120	else
2121	owner = hitter;
2122
2123	new_draw_info_format (NDI_UNIQUE, 0, owner, "Your attack blinds %s!", query_name (op));
2124	}
2125	tmp->stats.food += dam;
2126	if (tmp->stats.food > 10)
2127	tmp->stats.food = 10;
2128	}
2129
2130	void
2131	paralyze_player (object *op, object *hitter, int dam)
2132	{
2133	float effect, max;
2134
2135	/* object *tmp; */
2136
2137	/* This is strange stuff... someone knows for what this is
2138	* written? Well, i think this can and should be removed
2139	*/
2140
2141	/*
2142	if((tmp=present(PARAIMAGE,op->map,op->x,op->y))==NULL) {
2143	tmp=clone_arch(PARAIMAGE);
2144	tmp->x=op->x,tmp->y=op->y;
2145	insert_ob_in_map(tmp,op->map,tmp,INS_NO_MERGE | INS_NO_WALK_ON);
2146	}
2147	*/
2148
2149	/* Do this as a float - otherwise, rounding might very well reduce this to 0 */
2150	effect = (float) dam *3.0 * (100.0 - op->resist[ATNR_PARALYZE]) / 100;
2151
2152	if (effect == 0)
2153	return;
2154
2155	op->speed_left -= FABS (op->speed) * effect;
2156	/* tmp->stats.food+=(signed short) effect/op->speed; */
2157
2158	/* max number of ticks to be affected for. */
2159	max = (100 - op->resist[ATNR_PARALYZE]) / 2;
2160	if (op->speed_left < -(FABS (op->speed) * max))
2161	op->speed_left = (float) -(FABS (op->speed) * max);
2162
2163	/* tmp->stats.food = (signed short) (max/FABS(op->speed)); */
2164	}
2165
2166	/* Attempts to kill 'op'. hitter is the attack object, dam is
2167	* the computed damaged.
2168	*/
2169	void
2170	deathstrike_player (object *op, object *hitter, int *dam)
2171	{
2172	/* The intention of a death attack is to kill outright things
2173	** that are a lot weaker than the attacker, have a chance of killing
2174	** things somewhat weaker than the caster, and no chance of
2175	** killing something equal or stronger than the attacker.
2176	** Also, if a deathstrike attack has a slaying, any monster
2177	** whose name or race matches a comma-delimited list in the slaying
2178	** field of the deathstriking object */
2179
2180	int atk_lev, def_lev, kill_lev;
2181
2182	if (hitter->slaying)
2183	if (!((QUERY_FLAG (op, FLAG_UNDEAD) && strstr (hitter->slaying, shstr_undead)) || (op->race && strstr (hitter->slaying, op->race))))
2184	return;
2185
2186	def_lev = op->level;
2187	if (def_lev < 1)
2188	{
2189	LOG (llevError, "BUG: arch %s, name %s with level < 1\n", &op->arch->archname, &op->name);
2190	def_lev = 1;
2191	}
2192
2193	atk_lev = (hitter->chosen_skill ? hitter->chosen_skill->level : hitter->level) / 2;
2194	/* LOG(llevDebug,"Deathstrike - attack level %d, defender level %d\n",
2195	atk_lev, def_lev); */
2196
2197	if (atk_lev >= def_lev)
2198	{
2199	kill_lev = random_roll (0, atk_lev - 1, hitter, PREFER_HIGH);
2200
2201	/* Note that the below effectively means the ratio of the atk vs
2202	* defener level is important - if level 52 character has very little
2203	* chance of killing a level 50 monster. This should probably be
2204	* redone.
2205	*/
2206	if (kill_lev >= def_lev)
2207	{
2208	*dam = op->stats.hp + 10; /* take all hp. they can still save for 1/2 */
2209	/* I think this doesn't really do much. Because of
2210	* integer rounding, this only makes any difference if the
2211	* attack level is double the defender level.
2212	*/
2213	*dam *= kill_lev / def_lev;
2214	}
2215	}
2216	else
2217	*dam = 0; /* no harm done */
2218	}
2219
2220	/* thrown_item_effect() - handles any special effects of thrown
2221	* items (like attacking living creatures--a potion thrown at a
2222	* monster).
2223	*/
2224	static void
2225	thrown_item_effect (object *hitter, object *victim)
2226	{
2227	if (!QUERY_FLAG (hitter, FLAG_ALIVE))
2228	{
2229	/* May not need a switch for just 2 types, but this makes it
2230	* easier for expansion.
2231	*/
2232	switch (hitter->type)
2233	{
2234	case POTION:
2235	/* should player get a save throw instead of checking magic protection? */
2236	if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_MAGIC] < 60))
2237	(void) apply_potion (victim, hitter);
2238	break;
2239
2240	case POISON: /* poison drinks */
2241	/* As with potions, should monster get a save? */
2242	if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_POISON] < 60))
2243	apply_poison (victim, hitter);
2244	break;
2245
2246	/* Removed case statements that did nothing.
2247	* food may be poisonous, but monster must be willing to eat it,
2248	* so we don't handle it here.
2249	* Containers should perhaps break open, but that code was disabled.
2250	*/
2251	}
2252	}
2253	}
2254
2255	/* adj_attackroll() - adjustments to attacks by various conditions */
2256	int
2257	adj_attackroll (object *hitter, object *target)
2258	{
2259	object *attacker = hitter;
2260	int adjust = 0;
2261
2262	/* safety */
2263	if (!target || !hitter || !hitter->map || !target->map || !on_same_map (hitter, target))
2264	{
2265	LOG (llevError, "BUG: adj_attackroll(): hitter and target not on same " "map\n");
2266	return 0;
2267	}
2268
2269	/* aimed missiles use the owning object's sight */
2270	if (is_aimed_missile (hitter))
2271	{
2272	if ((attacker = hitter->owner) == NULL)
2273	attacker = hitter;
2274	/* A player who saves but hasn't quit still could have objects
2275	* owned by him - need to handle that case to avoid crashes.
2276	*/
2277	if (QUERY_FLAG (attacker, FLAG_REMOVED))
2278	attacker = hitter;
2279	}
2280	else if (!QUERY_FLAG (hitter, FLAG_ALIVE))
2281	return 0;
2282
2283	/* determine the condtions under which we make an attack.
2284	* Add more cases, as the need occurs. */
2285
2286	if (!can_see_enemy (attacker, target))
2287	{
2288	/* target is unseen */
2289	if (target->invisible || QUERY_FLAG (attacker, FLAG_BLIND))
2290	adjust -= 10;
2291	/* dark map penalty for the hitter (lacks infravision if we got here). */
2292	else if (target->map && target->map->darkness > 0 && !stand_in_light (target))
2293	adjust -= target->map->darkness;
2294	}
2295
2296	if (QUERY_FLAG (attacker, FLAG_SCARED))
2297	adjust -= 3;
2298
2299	if (QUERY_FLAG (target, FLAG_UNAGGRESSIVE))
2300	adjust += 1;
2301
2302	if (QUERY_FLAG (target, FLAG_SCARED))
2303	adjust += 1;
2304
2305	if (QUERY_FLAG (attacker, FLAG_CONFUSED))
2306	adjust -= 3;
2307
2308	/* if we attack at a different 'altitude' its harder */
2309	if ((attacker->move_type & target->move_type) == 0)
2310	adjust -= 2;
2311
2312	#if 0
2313	/* slower attacks are less likely to succeed. We should use a
2314	* comparison between attacker/target speeds BUT, players have
2315	* a generally faster speed, so this will wind up being a HUGE
2316	* disadantage for the monsters! Too bad, because missiles which
2317	* fly fast should have a better chance of hitting a slower target.
2318	*/
2319	if (hitter->speed < target->speed)
2320	adjust += ((float) hitter->speed - target->speed);
2321	#endif
2322
2323	#if 0
2324	LOG (llevDebug, "adj_attackroll() returns %d (%d)\n", adjust, attacker->count);
2325	#endif
2326
2327	return adjust;
2328	}
2329
2330	/* determine if the object is an 'aimed' missile */
2331	int
2332	is_aimed_missile (object *op)
2333	{
2334
2335	/* I broke what used to be one big if into a few nested
2336	* ones so that figuring out the logic is at least possible.
2337	*/
2338	if (op && (op->move_type & MOVE_FLYING))
2339	if (op->type == ARROW || op->type == THROWN_OBJ)
2340	return 1;
2341	else if (op->type == SPELL_EFFECT && (op->subtype == SP_BULLET || op->subtype == SP_EXPLOSION))
2342	return 1;
2343
2344	return 0;
2345	}

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