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Comparing deliantra/server/server/attack.C (file contents):
Revision 1.107 by elmex, Mon Jan 12 00:17:23 2009 UTC vs.
Revision 1.118 by root, Tue Nov 10 04:38:45 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, int type, object *originator)
78	{	47	{
79	int i, roll, saves = 0, attacks = 0, number;	48	int i, roll, saves = 0, attacks = 0, number;
80	materialtype_t *mt;	49	materialtype_t *mt = op->material;
81
82	if (!op->materialname)
83	{
84	for (mt = materialt; mt; mt = mt->next)
85	if (op->materials & mt->material)
86	break;
87	}
88	else
89	mt = name_to_material (op->materialname);
90
91	if (!mt)
92	return TRUE;
93		50
94	roll = rndm (1, 20);	51	roll = rndm (1, 20);
95		52
96	/* the attacktypes have no meaning for object saves	53	/* the attacktypes have no meaning for object saves
97	* If the type is only magic, don't adjust type - basically, if	54	* If the type is only magic, don't adjust type - basically, if
…		…
132		89
133	if (saves == 0 || (rndm (1, attacks) > saves))	90	if (saves == 0 || (rndm (1, attacks) > saves))
134	return FALSE;	91	return FALSE;
135		92
136	return TRUE;	93	return TRUE;
		94	}
		95
		96	/* cancels object *op. Cancellation basically means an object loses
		97	* its magical benefits.
		98	*/
		99	void
		100	cancellation (object *op)
		101	{
		102	if (op->invisible)
		103	return;
		104
		105	if (QUERY_FLAG (op, FLAG_ALIVE) || op->type == CONTAINER || op->type == THROWN_OBJ)
		106	{
		107	/* Recurse through the inventory */
		108	for (object *tmp = op->inv; tmp; tmp = tmp->below)
		109	if (!did_make_save_item (tmp, AT_CANCELLATION, op))
		110	cancellation (tmp);
		111	}
		112	else if (fabs (op->magic) <= rndm (0, 5))
		113	{
		114	/* Nullify this object. This code could probably be more complete */
		115	/* in what abilities it should cancel */
		116	op->magic = 0;
		117
		118	CLEAR_FLAG (op, FLAG_DAMNED);
		119	CLEAR_FLAG (op, FLAG_CURSED);
		120	CLEAR_FLAG (op, FLAG_KNOWN_MAGICAL);
		121	CLEAR_FLAG (op, FLAG_KNOWN_CURSED);
		122
		123	if (object *pl = op->visible_to ())
		124	esrv_update_item (UPD_FLAGS, pl, op);
		125	}
137	}	126	}
138		127
139	/* This function calls did_make_save_item. It then performs the	128	/* This function calls did_make_save_item. It then performs the
140	* appropriate actions to the item (such as burning the item up,	129	* appropriate actions to the item (such as burning the item up,
141	* calling cancellation, etc.)	130	* calling cancellation, etc.)
…		…
168	))	157	))
169	{	158	{
170	switch (op->type)	159	switch (op->type)
171	{	160	{
172	case LAMP:	161	case LAMP:
		162	case TORCH:
173	// turn on a lamp	163	// turn on a lamp
174	apply_lamp (op, true);	164	apply_lamp (op, true);
175	break;	165	break;
176		166
177	default:	167	default:
…		…
364	* that weak walls have is_alive set, which prevent objects from	354	* that weak walls have is_alive set, which prevent objects from
365	* passing over/through them. We don't care what type of movement	355	* passing over/through them. We don't care what type of movement
366	* the wall blocks - if it blocks any type of movement, can't be	356	* the wall blocks - if it blocks any type of movement, can't be
367	* destroyed right now.	357	* destroyed right now.
368	*/	358	*/
369	else if (tmp->materialname && op->stats.dam > 0 && !tmp->move_block)	359	else if (op->stats.dam > 0 && !tmp->move_block)
370	{	360	{
371	save_throw_object (tmp, type, op);	361	save_throw_object (tmp, type, op);
372		362
373	if (op->destroyed ())	363	if (op->destroyed ())
374	break;	364	break;
…		…
376	}	366	}
377		367
378	return 0;	368	return 0;
379	}	369	}
380		370
381	void	371	static void
382	attack_message (int dam, int type, object *op, object *hitter)	372	attack_message (int dam, int type, object *op, object *hitter)
383	{	373	{
384	char buf[MAX_BUF], buf1[MAX_BUF], buf2[MAX_BUF];	374	char buf[MAX_BUF], buf1[MAX_BUF], buf2[MAX_BUF];
385	int i, found = 0;	375	int i, found = 0;
386	maptile *map;	376	maptile *map;
…		…
388		378
389	/* put in a few special messages for some of the common attacktypes	379	/* put in a few special messages for some of the common attacktypes
390	* a player might have. For example, fire, electric, cold, etc	380	* a player might have. For example, fire, electric, cold, etc
391	* [garbled 20010919]	381	* [garbled 20010919]
392	*/	382	*/
393
394	if (dam == 9998 && op->type == DOOR)	383	if (dam == 9998 && op->type == DOOR)
395	{	384	{
396	sprintf (buf1, "unlock %s", &op->name);	385	sprintf (buf1, "unlock %s", &op->name);
397	sprintf (buf2, " unlocks");	386	sprintf (buf2, " unlocks");
398	found++;	387	found++;
399	}	388	}
400	if (dam < 0)	389	else if (dam < 0)
401	{	390	{
402	sprintf (buf1, "hit %s", &op->name);	391	sprintf (buf1, "hit %s", &op->name);
403	sprintf (buf2, " hits");	392	sprintf (buf2, " hits");
404	found++;	393	found++;
405	}	394	}
…		…
527	strcpy (buf2, attack_mess[ATM_FIRE][i].buf3);	516	strcpy (buf2, attack_mess[ATM_FIRE][i].buf3);
528	found++;	517	found++;
529	break;	518	break;
530	}	519	}
531	}	520	}
532	else if (hitter->current_weapon != NULL)	521	else if (hitter->current_weapon)
533	{	522	{
534	int mtype;	523	int mtype;
535		524
536	switch (hitter->current_weapon->weapontype)	525	switch (hitter->current_weapon->weapontype)
537	{	526	{
…		…
675	op->play_sound (sound_find ("player_hits4"));	664	op->play_sound (sound_find ("player_hits4"));
676	new_draw_info (NDI_BLACK, 0, hitter->owner, buf);	665	new_draw_info (NDI_BLACK, 0, hitter->owner, buf);
677	}	666	}
678	}	667	}
679		668
680
681	static int	669	static int
682	get_attack_mode (object **target, object **hitter, int *simple_attack)	670	get_attack_mode (object **target, object **hitter, int *simple_attack)
683	{	671	{
684	if (QUERY_FLAG (*target, FLAG_FREED) || QUERY_FLAG (*hitter, FLAG_FREED))	672	if (QUERY_FLAG (*target, FLAG_FREED) || QUERY_FLAG (*hitter, FLAG_FREED))
685	{	673	{
686	LOG (llevError, "BUG: get_attack_mode(): freed object\n");	674	LOG (llevError, "BUG: get_attack_mode(): freed object\n");
687	return 1;	675	return 1;
688	}	676	}
689		677
690	if ((*target)->head)
691	*target = (*target)->head;	678	*target = (*target)->head_ ();
692
693	if ((*hitter)->head)
694	*hitter = (*hitter)->head;	679	*hitter = (*hitter)->head_ ();
695		680
696	if ((*target)->type == LOCKED_DOOR)	681	if ((*target)->type == LOCKED_DOOR)
697	return 1; // locked doors cannot be hit	682	return 1; // locked doors cannot be hit
698		683
699	if ((*hitter)->env || (*target)->env)	684	if ((*hitter)->env || (*target)->env)
…		…
717	}	702	}
718		703
719	static int	704	static int
720	abort_attack (object *target, object *hitter, int simple_attack)	705	abort_attack (object *target, object *hitter, int simple_attack)
721	{	706	{
722
723	/* Check if target and hitter are still in a relation similar to the one	707	/* Check if target and hitter are still in a relation similar to the one
724	* determined by get_attack_mode(). Returns true if the relation has changed.	708	* determined by get_attack_mode(). Returns true if the relation has changed.
725	*/	709	*/
726	int new_mode;	710	int new_mode;
727		711
728	if (hitter->env == target || target->env == hitter)	712	if (hitter->env == target || target->env == hitter)
729	new_mode = 1;	713	new_mode = 1;
730	else if (QUERY_FLAG (hitter, FLAG_REMOVED) || QUERY_FLAG (target, FLAG_REMOVED) || hitter->map == NULL || !on_same_map (hitter, target))	714	else if (QUERY_FLAG (hitter, FLAG_REMOVED) || QUERY_FLAG (target, FLAG_REMOVED)
		715	|| hitter->map == NULL || !on_same_map (hitter, target))
731	return 1;	716	return 1;
732	else	717	else
733	new_mode = 0;	718	new_mode = 0;
		719
734	return new_mode != simple_attack;	720	return new_mode != simple_attack;
735	}	721	}
736		722
		723	/* thrown_item_effect() - handles any special effects of thrown
		724	* items (like attacking living creatures--a potion thrown at a
		725	* monster).
		726	*/
		727	static void
737	static void thrown_item_effect (object *, object *);	728	thrown_item_effect (object *hitter, object *victim)
		729	{
		730	if (!QUERY_FLAG (hitter, FLAG_ALIVE))
		731	{
		732	/* May not need a switch for just 2 types, but this makes it
		733	* easier for expansion.
		734	*/
		735	switch (hitter->type)
		736	{
		737	case POTION:
		738	/* should player get a save throw instead of checking magic protection? */
		739	if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_MAGIC] < 60))
		740	(void) apply_potion (victim, hitter);
		741	break;
		742
		743	case POISON: /* poison drinks */
		744	/* As with potions, should monster get a save? */
		745	if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_POISON] < 60))
		746	apply_poison (victim, hitter);
		747	break;
		748
		749	/* Removed case statements that did nothing.
		750	* food may be poisonous, but monster must be willing to eat it,
		751	* so we don't handle it here.
		752	* Containers should perhaps break open, but that code was disabled.
		753	*/
		754	}
		755	}
		756	}
		757
		758	/* determine if the object is an 'aimed' missile */
		759	static int
		760	is_aimed_missile (object *op)
		761	{
		762
		763	/* I broke what used to be one big if into a few nested
		764	* ones so that figuring out the logic is at least possible.
		765	*/
		766	if (op && (op->move_type & MOVE_FLYING))
		767	if (op->type == ARROW || op->type == THROWN_OBJ)
		768	return 1;
		769	else if (op->type == SPELL_EFFECT && (op->subtype == SP_BULLET || op->subtype == SP_EXPLOSION))
		770	return 1;
		771
		772	return 0;
		773	}
		774	/* adj_attackroll() - adjustments to attacks by various conditions */
		775	static int
		776	adj_attackroll (object *hitter, object *target)
		777	{
		778	object *attacker = hitter;
		779	int adjust = 0;
		780
		781	/* safety */
		782	if (!target || !hitter || !hitter->map || !target->map || !on_same_map (hitter, target))
		783	{
		784	LOG (llevError, "BUG: adj_attackroll(): hitter and target not on same " "map\n");
		785	return 0;
		786	}
		787
		788	/* aimed missiles use the owning object's sight */
		789	if (is_aimed_missile (hitter))
		790	{
		791	if ((attacker = hitter->owner) == NULL)
		792	attacker = hitter;
		793	/* A player who saves but hasn't quit still could have objects
		794	* owned by him - need to handle that case to avoid crashes.
		795	*/
		796	if (QUERY_FLAG (attacker, FLAG_REMOVED))
		797	attacker = hitter;
		798	}
		799	else if (!QUERY_FLAG (hitter, FLAG_ALIVE))
		800	return 0;
		801
		802	/* determine the condtions under which we make an attack.
		803	* Add more cases, as the need occurs. */
		804
		805	if (!can_see_enemy (attacker, target))
		806	{
		807	/* target is unseen */
		808	if (target->invisible || QUERY_FLAG (attacker, FLAG_BLIND))
		809	adjust -= 10;
		810	/* dark map penalty for the hitter (lacks infravision if we got here). */
		811	else if (!stand_in_light (target))
		812	adjust -= target->map->darklevel ();
		813	}
		814
		815	if (QUERY_FLAG (attacker, FLAG_SCARED))
		816	adjust -= 3;
		817
		818	if (QUERY_FLAG (target, FLAG_UNAGGRESSIVE))
		819	adjust += 1;
		820
		821	if (QUERY_FLAG (target, FLAG_SCARED))
		822	adjust += 1;
		823
		824	if (QUERY_FLAG (attacker, FLAG_CONFUSED))
		825	adjust -= 3;
		826
		827	/* if we attack at a different 'altitude' its harder */
		828	if ((attacker->move_type & target->move_type) == 0)
		829	adjust -= 2;
		830
		831	#if 0
		832	/* slower attacks are less likely to succeed. We should use a
		833	* comparison between attacker/target speeds BUT, players have
		834	* a generally faster speed, so this will wind up being a HUGE
		835	* disadantage for the monsters! Too bad, because missiles which
		836	* fly fast should have a better chance of hitting a slower target.
		837	*/
		838	if (hitter->speed < target->speed)
		839	adjust += ((float) hitter->speed - target->speed);
		840	#endif
		841
		842	#if 0
		843	LOG (llevDebug, "adj_attackroll() returns %d (%d)\n", adjust, attacker->count);
		844	#endif
		845
		846	return adjust;
		847	}
738		848
739	static int	849	static int
740	attack_ob_simple (object *op, object *hitter, int base_dam, int base_wc)	850	attack_ob_simple (object *op, object *hitter, int base_dam, int base_wc)
741	{	851	{
742	int simple_attack, roll, dam = 0;	852	int simple_attack, roll, dam = 0;
…		…
801	if (op->flag [FLAG_HIDDEN] && hitter->flag [FLAG_ALIVE])	911	if (op->flag [FLAG_HIDDEN] && hitter->flag [FLAG_ALIVE])
802	{	912	{
803	make_visible (op);	913	make_visible (op);
804		914
805	if (op->type == PLAYER)	915	if (op->type == PLAYER)
806	new_draw_info (NDI_UNIQUE, 0, op, "You were hit by a wild attack. " "You are no longer hidden!");	916	new_draw_info (NDI_UNIQUE, 0, op, "You were hit by a wild attack. You are no longer hidden!");
807	}	917	}
808		918
809	/* thrown items (hitter) will have various effects	919	/* thrown items (hitter) will have various effects
810	* when they hit the victim. For things like thrown daggers,	920	* when they hit the victim. For things like thrown daggers,
811	* this sets 'hitter' to the actual dagger, and not the	921	* this sets 'hitter' to the actual dagger, and not the
…		…
823	if (hitdam <= 0)	933	if (hitdam <= 0)
824	hitdam = 1;	934	hitdam = 1;
825		935
826	type = hitter->attacktype;	936	type = hitter->attacktype;
827		937
		938	/* Ok, because some of the brainfucks of the good *sigh* old *sigh*
		939	* Crossfire we have to default the attacktype here to AT_PHYSICAL.
		940	* This check is important for the most simple monsters out there in the
		941	* game content (maps, archs). For example orcs: They would have
		942	* no attacktype at all.
		943	*
		944	* Some time in the future someone should just go into the game data
		945	* and fix every monster out there ;-/ Until then we will kill some
		946	* more trees in the african rain forests with this check.
		947	*/
828	if (!type)	948	if (!type)
829	type = AT_PHYSICAL;	949	type = AT_PHYSICAL;
830		950
831	/* Handle monsters that hit back */	951	/* Handle monsters that hit back */
832	if (!simple_attack && QUERY_FLAG (op, FLAG_HITBACK) && QUERY_FLAG (hitter, FLAG_ALIVE))	952	if (!simple_attack && QUERY_FLAG (op, FLAG_HITBACK) && QUERY_FLAG (hitter, FLAG_ALIVE))
…		…
995	}	1115	}
996		1116
997	return op;	1117	return op;
998	}	1118	}
999		1119
1000	void	1120	static void
1001	tear_down_wall (object *op)	1121	tear_down_wall (object *op)
1002	{	1122	{
1003	int perc = 0;
1004
1005	if (!op->stats.maxhp)	1123	if (!op->stats.maxhp)
1006	{
1007	LOG (llevError, "TEAR_DOWN wall %s had no maxhp.\n", &op->name);	1124	LOG (llevError, "TEAR_DOWN wall %s had no maxhp.\n", &op->name);
1008	perc = 1;	1125	else if (!op->has_anim ())
1009	}
1010	else if (!GET_ANIM_ID (op))
1011	{	1126	{
1012	/* Object has been called - no animations, so remove it */	1127	/* Object has been called - no animations, so remove it */
1013	if (op->stats.hp < 0)	1128	if (op->stats.hp < 0)
1014	op->destroy ();	1129	op->destroy ();
1015		1130
1016	return; /* no animations, so nothing more to do */	1131	return; /* no animations, so nothing more to do */
1017	}	1132	}
1018		1133
1019	perc = NUM_ANIMATIONS (op) - ((int) NUM_ANIMATIONS (op) * op->stats.hp) / op->stats.maxhp;	1134	// we use frames 1..num-2 as intermediate frames, so
		1135	// the last frame is used only when hp < 0.
		1136	int perc = clamp (
		1137	lerp_ru<int> (op->stats.hp, 0, op->stats.maxhp, op->anim_frames () - 2, 0),
		1138	0, op->anim_frames () - 1
		1139	);
1020		1140
1021	if (perc >= (int) NUM_ANIMATIONS (op))	1141	op->set_anim_frame (perc);
1022	perc = NUM_ANIMATIONS (op) - 1;
1023	else if (perc < 1)
1024	perc = 1;
1025
1026	SET_ANIMATION (op, perc);
1027	update_object (op, UP_OBJ_FACE);	1142	update_object (op, UP_OBJ_FACE);
1028		1143
1029	if (perc == NUM_ANIMATIONS (op) - 1)	1144	if (op->stats.hp < 0)
1030	{ /* Reached the last animation */	1145	{ /* Reached the last animation */
1031	if (op->face == blank_face)	1146	if (op->face == blank_face)
1032	/* If the last face is blank, remove the ob */	1147	/* If the last face is blank, remove the ob */
1033	op->destroy ();	1148	op->destroy ();
1034	else	1149	else
1035	{ /* The last face was not blank, leave an image */	1150	{ /* The last face was not blank, leave an image */
1036	CLEAR_FLAG (op, FLAG_BLOCKSVIEW);	1151	op->flag [FLAG_BLOCKSVIEW] = false;
1037	update_all_los (op->map, op->x, op->y);	1152	update_all_los (op->map, op->x, op->y);
1038	op->move_block = 0;	1153	op->move_block = 0;
1039	CLEAR_FLAG (op, FLAG_ALIVE);	1154	op->flag [FLAG_ALIVE] = false;
1040	}	1155	}
1041	}	1156	}
1042	}	1157	}
1043		1158
1044	void	1159	static void
1045	scare_creature (object *target, object *hitter)	1160	scare_creature (object *target, object *hitter)
1046	{	1161	{
1047	object *owner = hitter->owner;	1162	target->flag [FLAG_SCARED] = true;
1048		1163
		1164	if (!target->enemy)
		1165	target->enemy = hitter->outer_owner ();
		1166	}
		1167
		1168	/* GROS: This code comes from hit_player. It has been made external to
		1169	* allow script procedures to "kill" objects in a combat-like fashion.
		1170	* It was initially used by (kill-object) developed for the Collector's
		1171	* Sword. Note that nothing has been changed from the original version
		1172	* of the following code.
		1173	* op is what is being killed.
		1174	* dam is the damage done to it.
		1175	* hitter is what is hitting it.
		1176	* type is the attacktype.
		1177	*
		1178	* This function was a bit of a mess with hitter getting changed,
		1179	* values being stored away but not used, etc. I've cleaned it up
		1180	* a bit - I think it should be functionally equivalant.
		1181	* MSW 2002-07-17
		1182	*/
		1183	int
		1184	kill_object (object *op, int dam, object *hitter, int type)
		1185	{
		1186	char buf[MAX_BUF];
		1187	shstr skill;
		1188	int maxdam = 0;
		1189	int battleg = 0; /* true if op standing on battleground */
		1190	int pk = 0; /* true if op and what controls hitter are both players */
		1191	object *owner = 0;
		1192	object *skop = 0;
		1193
		1194	if (op->stats.hp >= 0)
		1195	return -1;
		1196
		1197	if (INVOKE_OBJECT (KILL, op, ARG_OBJECT (hitter)))
		1198	return 0;
		1199
		1200	/* maxdam needs to be the amount of damage it took to kill
		1201	* this creature. The function(s) that call us have already
		1202	* adjusted the creatures HP total, so that is negative.
		1203	*/
		1204	maxdam = dam + op->stats.hp + 1;
		1205
		1206	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW))
		1207	update_all_los (op->map, op->x, op->y); /* makes sure los will be recalculated */
		1208
		1209	if (op->type == DOOR)
		1210	{
		1211	op->set_speed (0.1f);
		1212	op->speed_left = -0.05f;
		1213	return maxdam;
		1214	}
		1215
		1216	if (QUERY_FLAG (op, FLAG_FRIENDLY) && op->type != PLAYER)
		1217	{
		1218	op->drop_and_destroy ();
		1219	return maxdam;
		1220	}
		1221
		1222	/* Now lets start dealing with experience we get for killing something */
		1223
		1224	owner = hitter->outer_owner ();
1049	if (!owner)	1225	if (!owner)
1050	owner = hitter;	1226	owner = hitter;
1051		1227
		1228	/* is the victim (op) standing on battleground? */
		1229	if (op_on_battleground (op, NULL, NULL))
		1230	battleg = 1;
		1231
		1232	/* is this player killing? */
		1233	if (op->type == PLAYER && owner->type == PLAYER)
		1234	pk = 1;
		1235
		1236	/* Player killed something */
		1237	if (owner->type == PLAYER)
		1238	{
		1239	/* Log players killing other players - makes it easier to detect
		1240	* and filter out malicious player killers - that is why the
		1241	* ip address is included.
		1242	*/
		1243	if (op->type == PLAYER && !battleg)
		1244	{
		1245	time_t t = time (NULL);
		1246	struct tm *tmv;
		1247	char buf[256];
		1248
		1249	tmv = localtime (&t);
		1250	strftime (buf, 256, "%a %b %d %H:%M:%S %Y", tmv);
		1251
		1252	LOG (llevInfo, "%s PLAYER_KILL_PLAYER: %s (%s) killed %s\n", buf, &owner->name, owner->contr->ns->host, query_name (op));
		1253	}
		1254
		1255	/* try to filter some things out - basically, if you are
		1256	* killing a level 1 creature and your level 20, you
		1257	* probably don't want to see that.
		1258	*/
		1259	if (owner->level < op->level * 2 || op->stats.exp > 1000)
		1260	{
		1261	if (owner != hitter)
		1262	new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s with %s.", query_name (op), query_name (hitter));
		1263	else
		1264	new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s.", query_name (op));
		1265
		1266	/* Only play sounds for melee kills */
		1267	if (hitter->type == PLAYER)
		1268	owner->play_sound (sound_find ("player_kills"));
		1269	}
		1270
		1271	/* If a player kills another player, not on
		1272	* battleground, the "killer" looses 1 luck. Since this is
		1273	* not reversible, it's actually quite a pain IMHO. -AV
		1274	* Fix bug in that we were changing the luck of the hitter, not
		1275	* player that the object belonged to - so if you killed another player
		1276	* with spells, pets, whatever, there was no penalty.
		1277	* Changed to make luck penalty configurable in settings.
		1278	*/
		1279	if (op->type == PLAYER && owner != op && !battleg)
		1280	owner->change_luck (-settings.pk_luck_penalty);
		1281
		1282	/* This code below deals with finding the appropriate skill
		1283	* to credit exp to. This is a bit problematic - we should
		1284	* probably never really have to look at current_weapon->skill
		1285	*/
		1286	if (hitter->skill && hitter->type != PLAYER)
		1287	skill = hitter->skill;
		1288	else if (owner->chosen_skill)
		1289	{
		1290	skop = owner->chosen_skill;
		1291	skill = skop->skill;
		1292	}
		1293	else if (QUERY_FLAG (owner, FLAG_READY_WEAPON) && owner->current_weapon)
		1294	skill = owner->current_weapon->skill;
		1295	else
		1296	{
		1297	LOG (llevError, "BUG: kill_object - unable to find skill that killed monster\n"
		1298	"op: %s\n" "hitter: %s\n" "owner: %s\n",
		1299	owner->debug_desc (), hitter->debug_desc (), op->debug_desc ());
		1300	skill = 0;
		1301	}
		1302
		1303	/* We have the skill we want to credit to - now find the object this goes
		1304	* to. Make sure skop is an actual skill, and not a skill tool!
		1305	*/
		1306	skop = owner->contr->find_skill (skill);
		1307	} /* Was it a player that hit somethign */
		1308	else
		1309	skill = 0;
		1310
		1311	/* These may have been set in the player code section above */
		1312	if (!skop)
		1313	skop = hitter->chosen_skill;
		1314
		1315	if (!skill && skop)
		1316	skill = skop->skill;
		1317
		1318	/* If you didn't kill yourself, and your not the wizard */
		1319	if (owner != op && !QUERY_FLAG (op, FLAG_WIZ))
		1320	{
		1321	int exp;
		1322
		1323	/* Really don't give much experience for killing other players */
		1324	// schmorp: temporarily? reduce the amount of exp gained for pking enourmously
		1325	if (battleg)
		1326	{
		1327	if (op->is_player ())
		1328	{
		1329	new_draw_info (NDI_UNIQUE, 0, owner, "Your foe has fallen!");
		1330	new_draw_info (NDI_UNIQUE, 0, owner, "VICTORY!!!");
		1331	}
		1332
		1333	exp = 0;
		1334	}
		1335	else if (op->is_player ())
		1336	exp = op->stats.exp / 1000;
		1337	else
		1338	exp = calc_skill_exp (owner, op, skop);
		1339
		1340	/* Don't know why this is set this way - doesn't make
		1341	* sense to just divide everything by two for no reason.
		1342	*/
		1343
		1344	if (!settings.simple_exp)
		1345	exp = exp / 2;
		1346
		1347	if (owner->type != PLAYER || owner->contr->party == NULL)
		1348	change_exp (owner, exp, skill, 0);
		1349	else
		1350	{
		1351	int shares = 0, count = 0;
		1352	partylist *party = owner->contr->party;
		1353
		1354	add_kill_to_party (party, query_name (owner), query_name (op), exp);
		1355
		1356	for_all_players (pl)
		1357	if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
		1358	{
		1359	count++;
		1360	shares += (pl->ob->level + 4);
		1361	}
		1362
		1363	if (count == 1 || shares > exp || !shares)
		1364	change_exp (owner, exp, skill, SK_EXP_TOTAL);
		1365	else
		1366	{
		1367	int share = exp / shares, given = 0, nexp;
		1368
		1369	for_all_players (pl)
		1370	if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
		1371	{
		1372	nexp = (pl->ob->level + 4) * share;
		1373	change_exp (pl->ob, nexp, skill, SK_EXP_TOTAL);
		1374	given += nexp;
		1375	}
		1376
		1377	exp -= given;
		1378	/* give any remainder to the player */
		1379	change_exp (owner, exp, skill, SK_EXP_ADD_SKILL);
		1380	}
		1381	} /* else part of a party */
		1382	} /* end if person didn't kill himself */
		1383
		1384	if (op->type != PLAYER)
		1385	{
		1386	if (QUERY_FLAG (op, FLAG_FRIENDLY))
		1387	{
		1388	object *owner1 = op->owner;
		1389
		1390	if (owner1 && owner1->type == PLAYER)
		1391	{
		1392	owner1->contr->play_sound (sound_find ("pet_is_killed"));
		1393	/* Maybe we should include the owner that killed this, maybe not */
		1394	new_draw_info_format (NDI_UNIQUE, 0, owner1, "Your pet, the %s, was killed by %s.", &op->name, &hitter->name);
		1395	}
		1396
		1397	remove_friendly_object (op);
		1398	}
		1399
		1400	op->drop_and_destroy ();
		1401	}
		1402	else
		1403	/* Player has been killed! */
		1404	op->contr->killer = owner->type == PLAYER ? owner : hitter;
		1405
		1406	/* This was return -1 - that doesn't seem correct - if we return -1, process
		1407	* continues in the calling function.
		1408	*/
		1409	return maxdam;
		1410	}
		1411
		1412	/* Find out if this is friendly fire (PVP and attacker is peaceful) or not
		1413	* Returns 0 this is not friendly fire
		1414	*/
		1415	int
		1416	friendly_fire (object *op, object *hitter)
		1417	{
		1418	object *owner;
		1419	int friendlyfire;
		1420
		1421	if (hitter->head)
		1422	hitter = hitter->head;
		1423
		1424	friendlyfire = 0;
		1425
		1426	if (op->type == PLAYER)
		1427	{
		1428	if (op_on_battleground (hitter, 0, 0))
		1429	return 0;
		1430
		1431	if (hitter->type == PLAYER && hitter->contr->peaceful == 1)
		1432	return 1;
		1433
		1434	if ((owner = hitter->owner) != NULL)
		1435	{
		1436	if (owner->type == PLAYER && owner->contr->peaceful == 1)
		1437	friendlyfire = 2;
		1438	}
		1439
		1440	if (hitter->type == SPELL || hitter->type == POISONING || hitter->type == DISEASE || hitter->type == RUNE)
		1441	friendlyfire = 0;
		1442	}
		1443
		1444	return friendlyfire;
		1445	}
		1446
		1447	/* This isn't used just for players, but in fact most objects.
		1448	* op is the object to be hit, dam is the amount of damage, hitter
		1449	* is what is hitting the object, type is the attacktype, and
		1450	* full_hit is set if monster area does not matter.
		1451	* dam is base damage - protections/vulnerabilities/slaying matches can
		1452	* modify it.
		1453	*/
		1454	/* Oct 95 - altered the following slightly for MULTIPLE_GODS hack
		1455	* which needs new attacktype AT_HOLYWORD to work . b.t. */
		1456	int
		1457	hit_player (object *op, int dam, object *hitter, int type, int full_hit)
		1458	{
		1459	int maxdam = 0, ndam = 0, attacktype = 1, magic = (type & AT_MAGIC);
		1460	int maxattacktype, attacknum;
		1461	int body_attack = op && op->head; /* Did we hit op's head? */
		1462	int simple_attack;
		1463	int rtn_kill = 0;
		1464	int friendlyfire;
		1465
		1466	if (get_attack_mode (&op, &hitter, &simple_attack))
		1467	return 0;
		1468
		1469	/* very simple: if our target has no_damage 1 set or is wiz, we can't hurt him */
		1470	if (QUERY_FLAG (op, FLAG_WIZ) || QUERY_FLAG (op, FLAG_NO_DAMAGE))
		1471	return 0;
		1472
		1473	// only allow pk for hostile players
		1474	if (op->type == PLAYER)
		1475	{
		1476	object *owner = hitter->owner;
		1477
		1478	if (!owner)
		1479	owner = hitter;
		1480
		1481	if (owner->type == PLAYER
		1482	&& (!op_on_battleground (op, 0, 0)
		1483	&& (op->contr->peaceful || owner->contr->peaceful))
		1484	&& op != owner)
		1485	return 0;
		1486	}
		1487
		1488	if (body_attack)
		1489	{
		1490	/* slow and paralyze must hit the head. But we don't want to just
		1491	* return - we still need to process other attacks the spell still
		1492	* might have. So just remove the paralyze and slow attacktypes,
		1493	* and keep on processing if we have other attacktypes.
		1494	* return if only magic or nothing is left - under normal code
		1495	* we don't attack with pure magic if there is another attacktype.
		1496	* Only do processing if the initial attacktype includes one of those
		1497	* attack so we don't cancel out things like magic bullet.
		1498	*/
		1499	if (type & (AT_PARALYZE | AT_SLOW))
		1500	{
		1501	type &= ~(AT_PARALYZE | AT_SLOW);
		1502
		1503	if (!type || type == AT_MAGIC)
		1504	return 0;
		1505	}
		1506	}
		1507
		1508	if (!simple_attack && op->type == DOOR)
		1509	{
		1510	for (object *tmp = op->inv; tmp; tmp = tmp->below)
		1511	if (tmp->type == RUNE || tmp->type == TRAP)
		1512	{
		1513	spring_trap (tmp, hitter);
		1514
		1515	if (hitter->destroyed () || op->destroyed () || abort_attack (op, hitter, simple_attack))
		1516	return 0;
		1517
		1518	break;
		1519	}
		1520	}
		1521
		1522	if (!QUERY_FLAG (op, FLAG_ALIVE) || op->stats.hp < 0)
		1523	{
		1524	/* FIXME: If a player is killed by a rune in a door, the
		1525	* destroyed() check above doesn't return, and might get here.
		1526	*/
		1527
		1528	/* FIXME: This for example happens when a dead door is on a mover and
		1529	gets it's speed_left raised on each mover-tick.
		1530	Doors are removed in a kinda funny way by giving them speed and speed_left
		1531	and waiting for that to run out.
		1532	*/
		1533	LOG (llevDebug, "victim %s (%d) already dead in hit_player()\n", op->debug_desc (), op->stats.hp);
		1534	return 0;
		1535	}
		1536
		1537	#ifdef ATTACK_DEBUG
		1538	LOG (llevDebug, "hit player: attacktype %d, dam %d\n", type, dam);
		1539	#endif
		1540
		1541	if (magic)
		1542	{
		1543	/* basically: dam = dam*(100-op->resist[attacknum])/100;
		1544	* in case 0>dam>1, we try to "simulate" a float value-effect */
		1545	dam = dam * (100 - op->resist[ATNR_MAGIC]);
		1546	if (dam >= 100)
		1547	dam /= 100;
		1548	else
		1549	dam = (dam > rndm (0, 99)) ? 1 : 0;
		1550	}
		1551
		1552	/* AT_CHAOS here is a weapon or monster. Spells are handled by hit_map
		1553	* If the attacktype still has chaos, shuffle it, then clear the Chaos bit
		1554	*/
		1555	if (type & AT_CHAOS)
		1556	{
		1557	shuffle_attack (op, 0); /*0 flag tells it to not change the face */
		1558	update_object (op, UP_OBJ_FACE);
		1559	type &= ~AT_CHAOS;
		1560	}
		1561
		1562	/* Holyword is really an attacktype modifier (like magic is). If
		1563	* holyword is part of an attacktype, then make sure the creature is
		1564	* a proper match, otherwise no damage.
		1565	*/
		1566	if (type & AT_HOLYWORD)
		1567	{
		1568	object *god;
		1569
		1570	if ((!hitter->slaying
		1571	|| (!(op->race && hitter->slaying.contains (op->race))
		1572	&& !(op->name && hitter->slaying.contains (op->name))))
		1573	&& (!QUERY_FLAG (op, FLAG_UNDEAD)
		1574	|| (hitter->title
		1575	&& (god = find_god (determine_god (hitter))) != NULL
		1576	&& god->race.contains (shstr_undead))))
		1577	return 0;
		1578	}
		1579
		1580	maxattacktype = type; /* initialise this to something */
		1581	for (attacknum = 0; attacknum < NROFATTACKS; attacknum++, attacktype = 1 << attacknum)
		1582	{
		1583	/* Magic isn't really a true attack type - it gets combined with other
		1584	* attack types. As such, skip it over. However, if magic is
		1585	* the only attacktype in the group, then still attack with it
		1586	*/
		1587	if ((attacktype == AT_MAGIC) && (type & ~AT_MAGIC))
		1588	continue;
		1589
		1590	/* Go through and hit the player with each attacktype, one by one.
		1591	* hit_player_attacktype only figures out the damage, doesn't inflict
		1592	* it. It will do the appropriate action for attacktypes with
		1593	* effects (slow, paralization, etc.
		1594	*/
		1595	if (type & attacktype)
		1596	{
		1597	ndam = hit_player_attacktype (op, hitter, dam, attacknum, magic);
		1598	/* the >= causes us to prefer messages from special attacks, if
		1599	* the damage is equal.
		1600	*/
		1601	if (ndam >= maxdam)
		1602	{
		1603	maxdam = ndam;
		1604	maxattacktype = 1 << attacknum;
		1605	}
		1606	}
		1607	}
		1608
		1609	/* if this is friendly fire then do a set % of damage only
		1610	* Note - put a check in to make sure this attack is actually
		1611	* doing damage - otherwise, the +1 in the code below will make
		1612	* an attack do damage before when it otherwise didn't
		1613	*/
		1614	friendlyfire = friendly_fire (op, hitter);
		1615	if (friendlyfire && maxdam)
		1616	{
		1617	maxdam = ((dam * settings.set_friendly_fire) / 100);
		1618
		1619	#ifdef ATTACK_DEBUG
		1620	LOG (llevDebug, "Friendly fire (type:%d setting: %d%) did %d damage dropped to %d\n",
		1621	friendlyfire, settings.set_friendly_fire, dam, maxdam);
		1622	#endif
		1623	}
		1624
		1625	if (!full_hit)
		1626	{
		1627	int area;
		1628	int remainder;
		1629
		1630	area = 0;
		1631
		1632	for (archetype *at = op->arch; at; at = (archetype *)at->more)
		1633	area++;
		1634
		1635	assert (area > 0);
		1636
		1637	/* basically: maxdam /= area; we try to "simulate" a float
		1638	value-effect */
		1639	remainder = 100 * (maxdam % area) / area;
		1640	maxdam /= area;
		1641	if (rndm (100) < remainder)
		1642	maxdam++;
		1643	}
		1644
		1645	#ifdef ATTACK_DEBUG
		1646	LOG (llevDebug, "Attacktype %d did %d damage\n", type, maxdam);
		1647	#endif
		1648
		1649	// for now, only do this for active objects, otherwise they
		1650	// keep a refcount for a long time and I see no usefulness
		1651	// for an non-active objetc to know its enemy.
		1652	if (op->active)
		1653	if (hitter->owner)
		1654	op->enemy = hitter->owner;
		1655	else if (QUERY_FLAG (hitter, FLAG_ALIVE))
		1656	op->enemy = hitter;
		1657
		1658	if (QUERY_FLAG (op, FLAG_UNAGGRESSIVE) && op->type != PLAYER)
		1659	{
		1660	/* The unaggressives look after themselves 8) */
		1661	CLEAR_FLAG (op, FLAG_UNAGGRESSIVE);
		1662	npc_call_help (op);
		1663	}
		1664
		1665	if (magic && did_make_save (op, op->level, 0))
		1666	maxdam = maxdam / 2;
		1667
		1668	attack_message (maxdam, maxattacktype, op, hitter);
		1669
		1670	op->stats.hp -= maxdam;
		1671
		1672	/* Eneq(@csd.uu.se): Check to see if monster runs away. */
		1673	if ((op->stats.hp >= 0) &&
		1674	(QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER) &&
		1675	op->stats.hp < (signed short) (((float) op->run_away / (float) 100) * (float) op->stats.maxhp))
		1676	{
		1677
		1678	if (QUERY_FLAG (op, FLAG_MONSTER))
		1679	SET_FLAG (op, FLAG_RUN_AWAY);
		1680	else
		1681	scare_creature (op, hitter);
		1682	}
		1683
		1684	if (QUERY_FLAG (op, FLAG_TEAR_DOWN))
		1685	{
		1686	if (maxdam)
		1687	tear_down_wall (op);
		1688
		1689	return maxdam; /* nothing more to do for wall */
		1690	}
		1691
		1692	/* See if the creature has been killed */
		1693	rtn_kill = kill_object (op, maxdam, hitter, type);
		1694	if (rtn_kill != -1)
		1695	return rtn_kill;
		1696
		1697	/* Used to be ghosthit removal - we now use the ONE_HIT flag. Note
		1698	* that before if the player was immune to ghosthit, the monster
		1699	* remained - that is no longer the case.
		1700	*/
		1701	if (QUERY_FLAG (hitter, FLAG_ONE_HIT))
		1702	hitter->drop_and_destroy ();
		1703	/* Lets handle creatures that are splitting now */
		1704	else if (type & AT_PHYSICAL && !QUERY_FLAG (op, FLAG_FREED) && QUERY_FLAG (op, FLAG_SPLITTING))
		1705	{
		1706	int i;
		1707	int friendly = QUERY_FLAG (op, FLAG_FRIENDLY);
		1708	int unaggressive = QUERY_FLAG (op, FLAG_UNAGGRESSIVE);
		1709	object *owner = op->owner;
		1710
		1711	if (!op->other_arch)
		1712	{
		1713	LOG (llevError, "SPLITTING without other_arch error.\n");
		1714	return maxdam;
		1715	}
		1716
		1717	op->remove ();
		1718
		1719	for (i = 0; i < op->stats.food; i++)
		1720	{ /* This doesn't handle op->more yet */
		1721	object *tmp = arch_to_object (op->other_arch);
		1722	int j;
		1723
		1724	tmp->stats.hp = op->stats.hp;
		1725
		1726	if (friendly)
		1727	{
		1728	add_friendly_object (tmp);
		1729	tmp->attack_movement = PETMOVE;
		1730
		1731	if (owner)
		1732	tmp->set_owner (owner);
		1733	}
		1734
		1735	if (unaggressive)
		1736	SET_FLAG (tmp, FLAG_UNAGGRESSIVE);
		1737
		1738	j = find_first_free_spot (tmp, op->map, op->x, op->y);
		1739
		1740	if (j == -1) /* No spot to put this monster */
		1741	tmp->destroy ();
		1742	else
		1743	{
		1744	tmp->x = op->x + freearr_x[j], tmp->y = op->y + freearr_y[j];
		1745	insert_ob_in_map (tmp, op->map, NULL, 0);
		1746	}
		1747	}
		1748
		1749	op->destroy ();
		1750	}
		1751	else if (type & AT_DRAIN && hitter->type == GRIMREAPER && hitter->value++ > 10)
		1752	hitter->drop_and_destroy ();
		1753
		1754	return maxdam;
		1755	}
		1756
		1757	static void
		1758	poison_player (object *op, object *hitter, int dam)
		1759	{
		1760	archetype *at = archetype::find (shstr_poisoning);
		1761	object *tmp = present_arch_in_ob (at, op);
		1762
		1763	if (tmp == NULL)
		1764	{
		1765	if ((tmp = arch_to_object (at)) == NULL)
		1766	LOG (llevError, "Failed to clone arch poisoning.\n");
		1767	else
		1768	{
		1769	tmp = insert_ob_in_ob (tmp, op);
		1770	/* peterm: give poisoning some teeth. It should
		1771	* be able to kill things better than it does:
		1772	* damage should be dependent something--I choose to
		1773	* do this: if it's a monster, the damage from the
		1774	* poisoning goes as the level of the monster/2.
		1775	* If anything else, goes as damage.
		1776	*/
		1777
		1778	if (QUERY_FLAG (hitter, FLAG_ALIVE))
		1779	tmp->stats.dam += hitter->level / 2;
		1780	else
		1781	tmp->stats.dam = dam;
		1782
		1783	tmp->set_owner (hitter); /* so we get credit for poisoning kills */
		1784	if (hitter->skill && hitter->skill != tmp->skill)
		1785	{
		1786	tmp->skill = hitter->skill;
		1787	}
		1788
		1789	tmp->stats.food += dam; /* more damage, longer poisoning */
		1790
		1791	if (op->type == PLAYER)
		1792	{
		1793	/* player looses stats, maximum is -10 of each */
		1794	tmp->stats.Con = max (-(dam / 4 + 1), -10);
		1795	tmp->stats.Str = max (-(dam / 3 + 2), -10);
		1796	tmp->stats.Dex = max (-(dam / 6 + 1), -10);
		1797	tmp->stats.Int = max (-(dam / 7 ), -10);
		1798	SET_FLAG (tmp, FLAG_APPLIED);
		1799	op->update_stats ();
		1800	new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very ill.");
		1801	op->play_sound (tmp->sound);
		1802	}
		1803
		1804	if (hitter->type == PLAYER)
		1805	new_draw_info_format (NDI_UNIQUE, 0, hitter, "You poison %s.", &op->name);
		1806	else if (hitter->owner != NULL && hitter->owner->type == PLAYER)
		1807	new_draw_info_format (NDI_UNIQUE, 0, hitter->owner, "Your %s poisons %s.", &hitter->name, &op->name);
		1808	}
		1809
		1810	tmp->speed_left = 0;
		1811	}
		1812	else
		1813	tmp->stats.food++;
		1814	}
		1815
		1816	static void
		1817	slow_player (object *op, object *hitter, int dam)
		1818	{
		1819	archetype *at = archetype::find (shstr_slowness);
		1820	object *tmp;
		1821
		1822	if (at == NULL)
		1823	LOG (llevError, "Can't find slowness archetype.\n");
		1824
		1825	if ((tmp = present_arch_in_ob (at, op)) == NULL)
		1826	{
		1827	tmp = arch_to_object (at);
		1828	tmp = insert_ob_in_ob (tmp, op);
		1829	new_draw_info (NDI_UNIQUE, 0, op, "The world suddenly moves very fast!");
		1830	}
		1831	else
		1832	tmp->stats.food++;
		1833
1052	SET_FLAG (target, FLAG_SCARED);	1834	SET_FLAG (tmp, FLAG_APPLIED);
1053	if (!target->enemy)	1835	tmp->speed_left = 0;
1054	target->enemy = owner;	1836	op->update_stats ();
		1837	}
		1838
		1839	void
		1840	confuse_player (object *op, object *hitter, int dam)
		1841	{
		1842	object *tmp;
		1843	int maxduration;
		1844
		1845	tmp = present_in_ob_by_name (FORCE, shstr_confusion, op);
		1846	if (!tmp)
		1847	{
		1848	tmp = get_archetype (FORCE_NAME);
		1849	tmp = insert_ob_in_ob (tmp, op);
		1850	}
		1851
		1852	/* Duration added per hit and max. duration of confusion both depend
		1853	* on the player's resistance
		1854	*/
		1855	tmp->speed = 0.05;
		1856	tmp->subtype = FORCE_CONFUSION;
		1857	tmp->duration = 8 + max (1, 5 * (100 - op->resist[ATNR_CONFUSION]) / 100);
		1858	tmp->name = shstr_confusion;
		1859	maxduration = max (2, 30 * (100 - op->resist[ATNR_CONFUSION]) / 100);
		1860
		1861	if (tmp->duration > maxduration)
		1862	tmp->duration = maxduration;
		1863
		1864	if (op->type == PLAYER && !QUERY_FLAG (op, FLAG_CONFUSED))
		1865	new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very confused!");
		1866
		1867	SET_FLAG (op, FLAG_CONFUSED);
		1868	}
		1869
		1870	void
		1871	blind_player (object *op, object *hitter, int dam)
		1872	{
		1873	object *tmp, *owner;
		1874
		1875	/* Save some work if we know it isn't going to affect the player */
		1876	if (op->resist[ATNR_BLIND] == 100)
		1877	return;
		1878
		1879	tmp = present_in_ob (BLINDNESS, op);
		1880	if (!tmp)
		1881	{
		1882	tmp = get_archetype (shstr_blindness);
		1883	SET_FLAG (tmp, FLAG_BLIND);
		1884	SET_FLAG (tmp, FLAG_APPLIED);
		1885	/* use floats so we don't lose too much precision due to rounding errors.
		1886	* speed is a float anyways.
		1887	*/
		1888	tmp->speed = tmp->speed * (100.0 - (float) op->resist[ATNR_BLIND]) / 100;
		1889
		1890	tmp = insert_ob_in_ob (tmp, op);
		1891	change_abil (op, tmp); /* Mostly to display any messages */
		1892	op->update_stats (); /* This takes care of some other stuff */
		1893
		1894	if (hitter->owner)
		1895	owner = hitter->owner;
		1896	else
		1897	owner = hitter;
		1898
		1899	new_draw_info_format (NDI_UNIQUE, 0, owner, "Your attack blinds %s!", query_name (op));
		1900	}
		1901	tmp->stats.food += dam;
		1902	if (tmp->stats.food > 10)
		1903	tmp->stats.food = 10;
		1904	}
		1905
		1906	void
		1907	paralyze_player (object *op, object *hitter, int dam)
		1908	{
		1909	/* This is strange stuff... someone knows for what this is
		1910	* written? Well, i think this can and should be removed
		1911	*/
		1912
		1913	/*
		1914	if((tmp=present(PARAIMAGE,op->map,op->x,op->y))==NULL) {
		1915	tmp=clone_arch(PARAIMAGE);
		1916	tmp->x=op->x,tmp->y=op->y;
		1917	insert_ob_in_map(tmp,op->map,tmp,INS_NO_MERGE | INS_NO_WALK_ON);
		1918	}
		1919	*/
		1920
		1921	/* Do this as a float - otherwise, rounding might very well reduce this to 0 */
		1922	float effect = dam * 3.f * (100.f - op->resist[ATNR_PARALYZE]) / 100.f;
		1923
		1924	op->speed_left -= fabs (op->speed) * effect;
		1925	/* tmp->stats.food+=(signed short) effect/op->speed; */
		1926
		1927	/* max number of ticks to be affected for. */
		1928	float max = (100 - op->resist[ATNR_PARALYZE]) / 2;
		1929
		1930	if (op->speed_left < -(fabs (op->speed) * max))
		1931	op->speed_left = -(fabs (op->speed) * max);
		1932
		1933	/* tmp->stats.food = (signed short) (max / fabs (op->speed)); */
		1934	}
		1935
		1936	/* Attempts to kill 'op'. hitter is the attack object, dam is
		1937	* the computed damaged.
		1938	*/
		1939	static void
		1940	deathstrike_player (object *op, object *hitter, int *dam)
		1941	{
		1942	/* The intention of a death attack is to kill outright things
		1943	** that are a lot weaker than the attacker, have a chance of killing
		1944	** things somewhat weaker than the caster, and no chance of
		1945	** killing something equal or stronger than the attacker.
		1946	** Also, if a deathstrike attack has a slaying, any monster
		1947	** whose name or race matches a comma-delimited list in the slaying
		1948	** field of the deathstriking object */
		1949
		1950	int atk_lev, def_lev, kill_lev;
		1951
		1952	if (hitter->slaying)
		1953	if (!((QUERY_FLAG (op, FLAG_UNDEAD) && hitter->slaying.contains (shstr_undead))
		1954	|| (op->race && hitter->slaying.contains (op->race))))
		1955	return;
		1956
		1957	def_lev = op->level;
		1958	if (def_lev < 1)
		1959	{
		1960	LOG (llevError, "BUG: arch %s with level < 1 (%s)\n", &op->arch->archname, op->debug_desc ());
		1961	def_lev = 1;
		1962	}
		1963
		1964	atk_lev = (hitter->chosen_skill ? hitter->chosen_skill->level : hitter->level) / 2;
		1965	/* LOG(llevDebug,"Deathstrike - attack level %d, defender level %d\n",
		1966	atk_lev, def_lev); */
		1967
		1968	if (atk_lev >= def_lev)
		1969	{
		1970	kill_lev = random_roll (0, atk_lev - 1, hitter, PREFER_HIGH);
		1971
		1972	/* Note that the below effectively means the ratio of the atk vs
		1973	* defener level is important - if level 52 character has very little
		1974	* chance of killing a level 50 monster. This should probably be
		1975	* redone.
		1976	*/
		1977	if (kill_lev >= def_lev)
		1978	{
		1979	*dam = op->stats.hp + 10; /* take all hp. they can still save for 1/2 */
		1980	/* I think this doesn't really do much. Because of
		1981	* integer rounding, this only makes any difference if the
		1982	* attack level is double the defender level.
		1983	*/
		1984	*dam *= kill_lev / def_lev;
		1985	}
		1986	}
		1987	else
		1988	*dam = 0; /* no harm done */
1055	}	1989	}
1056		1990
1057	/* This returns the amount of damage hitter does to op with the	1991	/* This returns the amount of damage hitter does to op with the
1058	* appropriate attacktype. Only 1 attacktype should be set at a time.	1992	* appropriate attacktype. Only 1 attacktype should be set at a time.
1059	* This doesn't damage the player, but returns how much it should	1993	* This doesn't damage the player, but returns how much it should
…		…
1141	case ATNR_BLIND:	2075	case ATNR_BLIND:
1142	{	2076	{
1143	/* chance for inflicting a special attack depends on the	2077	/* chance for inflicting a special attack depends on the
1144	* difference between attacker's and defender's level	2078	* difference between attacker's and defender's level
1145	*/	2079	*/
1146	int level_diff = MIN (110, MAX (0, op->level - hitter->level));	2080	int level_diff = min (110, max (0, op->level - hitter->level));
1147		2081
1148	/* First, only creatures/players with speed can be affected.	2082	/* First, only creatures/players with speed can be affected.
1149	* Second, just getting hit doesn't mean it always affects	2083	* Second, just getting hit doesn't mean it always affects
1150	* you. Third, you still get a saving through against the	2084	* you. Third, you still get a saving through against the
1151	* effect.	2085	* effect.
1152	*/	2086	*/
1153	if (op->speed &&	2087	if (op->has_active_speed ()
1154	(QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER) &&	2088	&& (QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER)
		2089	&& !(rndm (0, (attacknum == ATNR_SLOW ? 6 : 3) - 1))
1155	!(rndm (0, (attacknum == ATNR_SLOW ? 6 : 3) - 1)) && !did_make_save (op, level_diff, op->resist[attacknum] / 10))	2090	&& !did_make_save (op, level_diff, op->resist[attacknum] / 10))
1156	{	2091	{
1157		2092
1158	/* Player has been hit by something */	2093	/* Player has been hit by something */
1159	if (attacknum == ATNR_CONFUSION)	2094	if (attacknum == ATNR_CONFUSION)
1160	confuse_player (op, hitter, dam);	2095	confuse_player (op, hitter, dam);
…		…
1379	}	2314	}
1380		2315
1381	return dam;	2316	return dam;
1382	}	2317	}
1383		2318
1384	/* GROS: This code comes from hit_player. It has been made external to
1385	* allow script procedures to "kill" objects in a combat-like fashion.
1386	* It was initially used by (kill-object) developed for the Collector's
1387	* Sword. Note that nothing has been changed from the original version
1388	* of the following code.
1389	* op is what is being killed.
1390	* dam is the damage done to it.
1391	* hitter is what is hitting it.
1392	* type is the attacktype.
1393	*
1394	* This function was a bit of a mess with hitter getting changed,
1395	* values being stored away but not used, etc. I've cleaned it up
1396	* a bit - I think it should be functionally equivalant.
1397	* MSW 2002-07-17
1398	*/
1399	int
1400	kill_object (object *op, int dam, object *hitter, int type)
1401	{
1402	char buf[MAX_BUF];
1403	shstr skill;
1404	int maxdam = 0;
1405	int battleg = 0; /* true if op standing on battleground */
1406	int pk = 0; /* true if op and what controls hitter are both players */
1407	object *owner = 0;
1408	object *skop = 0;
1409
1410	if (op->stats.hp >= 0)
1411	return -1;
1412
1413	if (INVOKE_OBJECT (KILL, op, ARG_OBJECT (hitter)))
1414	return 0;
1415
1416	/* maxdam needs to be the amount of damage it took to kill
1417	* this creature. The function(s) that call us have already
1418	* adjusted the creatures HP total, so that is negative.
1419	*/
1420	maxdam = dam + op->stats.hp + 1;
1421
1422	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW))
1423	update_all_los (op->map, op->x, op->y); /* makes sure los will be recalculated */
1424
1425	if (op->type == DOOR)
1426	{
1427	op->set_speed (0.1f);
1428	op->speed_left = -0.05f;
1429	return maxdam;
1430	}
1431
1432	if (QUERY_FLAG (op, FLAG_FRIENDLY) && op->type != PLAYER)
1433	{
1434	op->drop_and_destroy ();
1435	return maxdam;
1436	}
1437
1438	/* Now lets start dealing with experience we get for killing something */
1439
1440	owner = hitter->outer_owner ();
1441	if (!owner)
1442	owner = hitter;
1443
1444	/* is the victim (op) standing on battleground? */
1445	if (op_on_battleground (op, NULL, NULL))
1446	battleg = 1;
1447
1448	/* is this player killing? */
1449	if (op->type == PLAYER && owner->type == PLAYER)
1450	pk = 1;
1451
1452	/* Player killed something */
1453	if (owner->type == PLAYER)
1454	{
1455	/* Log players killing other players - makes it easier to detect
1456	* and filter out malicious player killers - that is why the
1457	* ip address is included.
1458	*/
1459	if (op->type == PLAYER && !battleg)
1460	{
1461	time_t t = time (NULL);
1462	struct tm *tmv;
1463	char buf[256];
1464
1465	tmv = localtime (&t);
1466	strftime (buf, 256, "%a %b %d %H:%M:%S %Y", tmv);
1467
1468	LOG (llevInfo, "%s PLAYER_KILL_PLAYER: %s (%s) killed %s\n", buf, &owner->name, owner->contr->ns->host, query_name (op));
1469	}
1470
1471	/* try to filter some things out - basically, if you are
1472	* killing a level 1 creature and your level 20, you
1473	* probably don't want to see that.
1474	*/
1475	if (owner->level < op->level * 2 || op->stats.exp > 1000)
1476	{
1477	if (owner != hitter)
1478	new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s with %s.", query_name (op), query_name (hitter));
1479	else
1480	new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s.", query_name (op));
1481
1482	/* Only play sounds for melee kills */
1483	if (hitter->type == PLAYER)
1484	owner->play_sound (sound_find ("player_kills"));
1485	}
1486
1487	/* If a player kills another player, not on
1488	* battleground, the "killer" looses 1 luck. Since this is
1489	* not reversible, it's actually quite a pain IMHO. -AV
1490	* Fix bug in that we were changing the luck of the hitter, not
1491	* player that the object belonged to - so if you killed another player
1492	* with spells, pets, whatever, there was no penalty.
1493	* Changed to make luck penalty configurable in settings.
1494	*/
1495	if (op->type == PLAYER && owner != op && !battleg)
1496	owner->change_luck (-settings.pk_luck_penalty);
1497
1498	/* This code below deals with finding the appropriate skill
1499	* to credit exp to. This is a bit problematic - we should
1500	* probably never really have to look at current_weapon->skill
1501	*/
1502	if (hitter->skill && hitter->type != PLAYER)
1503	skill = hitter->skill;
1504	else if (owner->chosen_skill)
1505	{
1506	skop = owner->chosen_skill;
1507	skill = skop->skill;
1508	}
1509	else if (QUERY_FLAG (owner, FLAG_READY_WEAPON) && owner->current_weapon)
1510	skill = owner->current_weapon->skill;
1511	else
1512	{
1513	LOG (llevError, "BUG: kill_object - unable to find skill that killed monster\n"
1514	"op: %s\n" "hitter: %s\n" "owner: %s\n",
1515	owner->debug_desc (), hitter->debug_desc (), op->debug_desc ());
1516	skill = 0;
1517	}
1518
1519	/* We have the skill we want to credit to - now find the object this goes
1520	* to. Make sure skop is an actual skill, and not a skill tool!
1521	*/
1522	skop = owner->contr->find_skill (skill);
1523	} /* Was it a player that hit somethign */
1524	else
1525	skill = 0;
1526
1527	/* These may have been set in the player code section above */
1528	if (!skop)
1529	skop = hitter->chosen_skill;
1530
1531	if (!skill && skop)
1532	skill = skop->skill;
1533
1534	/* If you didn't kill yourself, and your not the wizard */
1535	if (owner != op && !QUERY_FLAG (op, FLAG_WIZ))
1536	{
1537	int exp;
1538
1539	/* Really don't give much experience for killing other players */
1540	// schmorp: temporarily? reduce the amount of exp gained for pking enourmously
1541	if (op->type == PLAYER)
1542	{
1543	if (battleg)
1544	{
1545	new_draw_info (NDI_UNIQUE, 0, owner, "Your foe has fallen!");
1546	new_draw_info (NDI_UNIQUE, 0, owner, "VICTORY!!!");
1547	}
1548	else
1549	exp = op->stats.exp / 1000;
1550	}
1551	else
1552	exp = calc_skill_exp (owner, op, skop);
1553
1554	/* if op is standing on "battleground" (arena), no way to gain
1555	* exp by killing him
1556	*/
1557	if (battleg)
1558	exp = 0;
1559
1560	/* Don't know why this is set this way - doesn't make
1561	* sense to just divide everything by two for no reason.
1562	*/
1563
1564	if (!settings.simple_exp)
1565	exp = exp / 2;
1566
1567	if (owner->type != PLAYER || owner->contr->party == NULL)
1568	change_exp (owner, exp, skill, 0);
1569	else
1570	{
1571	int shares = 0, count = 0;
1572	partylist *party = owner->contr->party;
1573
1574	add_kill_to_party (party, query_name (owner), query_name (op), exp);
1575
1576	for_all_players (pl)
1577	if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1578	{
1579	count++;
1580	shares += (pl->ob->level + 4);
1581	}
1582
1583	if (count == 1 || shares > exp || !shares)
1584	change_exp (owner, exp, skill, SK_EXP_TOTAL);
1585	else
1586	{
1587	int share = exp / shares, given = 0, nexp;
1588
1589	for_all_players (pl)
1590	if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1591	{
1592	nexp = (pl->ob->level + 4) * share;
1593	change_exp (pl->ob, nexp, skill, SK_EXP_TOTAL);
1594	given += nexp;
1595	}
1596
1597	exp -= given;
1598	/* give any remainder to the player */
1599	change_exp (owner, exp, skill, SK_EXP_ADD_SKILL);
1600	}
1601	} /* else part of a party */
1602	} /* end if person didn't kill himself */
1603
1604	if (op->type != PLAYER)
1605	{
1606	if (QUERY_FLAG (op, FLAG_FRIENDLY))
1607	{
1608	object *owner1 = op->owner;
1609
1610	if (owner1 && owner1->type == PLAYER)
1611	{
1612	owner1->contr->play_sound (sound_find ("pet_is_killed"));
1613	/* Maybe we should include the owner that killed this, maybe not */
1614	new_draw_info_format (NDI_UNIQUE, 0, owner1, "Your pet, the %s, was killed by %s.", &op->name, &hitter->name);
1615	}
1616
1617	remove_friendly_object (op);
1618	}
1619
1620	op->drop_and_destroy ();
1621	}
1622	else
1623	/* Player has been killed! */
1624	op->contr->killer = owner->type == PLAYER ? owner : hitter;
1625
1626	/* This was return -1 - that doesn't seem correct - if we return -1, process
1627	* continues in the calling function.
1628	*/
1629	return maxdam;
1630	}
1631
1632	/* Find out if this is friendly fire (PVP and attacker is peaceful) or not
1633	* Returns 0 this is not friendly fire
1634	*/
1635	int
1636	friendly_fire (object *op, object *hitter)
1637	{
1638	object *owner;
1639	int friendlyfire;
1640
1641	if (hitter->head)
1642	hitter = hitter->head;
1643
1644	friendlyfire = 0;
1645
1646	if (op->type == PLAYER)
1647	{
1648	if (op_on_battleground (hitter, 0, 0))
1649	return 0;
1650
1651	if (hitter->type == PLAYER && hitter->contr->peaceful == 1)
1652	return 1;
1653
1654	if ((owner = hitter->owner) != NULL)
1655	{
1656	if (owner->type == PLAYER && owner->contr->peaceful == 1)
1657	friendlyfire = 2;
1658	}
1659
1660	if (hitter->type == SPELL || hitter->type == POISONING || hitter->type == DISEASE || hitter->type == RUNE)
1661	friendlyfire = 0;
1662	}
1663
1664	return friendlyfire;
1665	}
1666
1667	/* This isn't used just for players, but in fact most objects.
1668	* op is the object to be hit, dam is the amount of damage, hitter
1669	* is what is hitting the object, type is the attacktype, and
1670	* full_hit is set if monster area does not matter.
1671	* dam is base damage - protections/vulnerabilities/slaying matches can
1672	* modify it.
1673	*/
1674	/* Oct 95 - altered the following slightly for MULTIPLE_GODS hack
1675	* which needs new attacktype AT_HOLYWORD to work . b.t. */
1676	int
1677	hit_player (object *op, int dam, object *hitter, int type, int full_hit)
1678	{
1679	int maxdam = 0, ndam = 0, attacktype = 1, magic = (type & AT_MAGIC);
1680	int maxattacktype, attacknum;
1681	int body_attack = op && op->head; /* Did we hit op's head? */
1682	int simple_attack;
1683	int rtn_kill = 0;
1684	int friendlyfire;
1685
1686	if (get_attack_mode (&op, &hitter, &simple_attack))
1687	return 0;
1688
1689	/* very simple: if our target has no_damage 1 set or is wiz, we can't hurt him */
1690	if (QUERY_FLAG (op, FLAG_WIZ) || QUERY_FLAG (op, FLAG_NO_DAMAGE))
1691	return 0;
1692
1693	// only allow pk for hostile players
1694	if (op->type == PLAYER)
1695	{
1696	object *owner = hitter->owner;
1697
1698	if (!owner)
1699	owner = hitter;
1700
1701	if (owner->type == PLAYER
1702	&& (!op_on_battleground (op, 0, 0)
1703	&& (op->contr->peaceful || owner->contr->peaceful))
1704	&& op != owner)
1705	return 0;
1706	}
1707
1708	if (body_attack)
1709	{
1710	/* slow and paralyze must hit the head. But we don't want to just
1711	* return - we still need to process other attacks the spell still
1712	* might have. So just remove the paralyze and slow attacktypes,
1713	* and keep on processing if we have other attacktypes.
1714	* return if only magic or nothing is left - under normal code
1715	* we don't attack with pure magic if there is another attacktype.
1716	* Only do processing if the initial attacktype includes one of those
1717	* attack so we don't cancel out things like magic bullet.
1718	*/
1719	if (type & (AT_PARALYZE | AT_SLOW))
1720	{
1721	type &= ~(AT_PARALYZE | AT_SLOW);
1722
1723	if (!type || type == AT_MAGIC)
1724	return 0;
1725	}
1726	}
1727
1728	if (!simple_attack && op->type == DOOR)
1729	{
1730	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1731	if (tmp->type == RUNE || tmp->type == TRAP)
1732	{
1733	spring_trap (tmp, hitter);
1734
1735	if (hitter->destroyed () || op->destroyed () || abort_attack (op, hitter, simple_attack))
1736	return 0;
1737
1738	break;
1739	}
1740	}
1741
1742	if (!QUERY_FLAG (op, FLAG_ALIVE) || op->stats.hp < 0)
1743	{
1744	/* FIXME: If a player is killed by a rune in a door, the
1745	* destroyed() check above doesn't return, and might get here.
1746	*/
1747
1748	/* FIXME: This for example happens when a dead door is on a mover and
1749	gets it's speed_left raised on each mover-tick.
1750	Doors are removed in a kinda funny way by giving them speed and speed_left
1751	and waiting for that to run out.
1752	*/
1753	LOG (llevDebug, "victim %s (%d) already dead in hit_player()\n", op->debug_desc (), op->stats.hp);
1754	return 0;
1755	}
1756
1757	#ifdef ATTACK_DEBUG
1758	LOG (llevDebug, "hit player: attacktype %d, dam %d\n", type, dam);
1759	#endif
1760
1761	if (magic)
1762	{
1763	/* basically: dam = dam*(100-op->resist[attacknum])/100;
1764	* in case 0>dam>1, we try to "simulate" a float value-effect */
1765	dam = dam * (100 - op->resist[ATNR_MAGIC]);
1766	if (dam >= 100)
1767	dam /= 100;
1768	else
1769	dam = (dam > rndm (0, 99)) ? 1 : 0;
1770	}
1771
1772	/* AT_CHAOS here is a weapon or monster. Spells are handled by hit_map
1773	* If the attacktype still has chaos, shuffle it, then clear the Chaos bit
1774	*/
1775	if (type & AT_CHAOS)
1776	{
1777	shuffle_attack (op, 0); /*0 flag tells it to not change the face */
1778	update_object (op, UP_OBJ_FACE);
1779	type &= ~AT_CHAOS;
1780	}
1781
1782	/* Holyword is really an attacktype modifier (like magic is). If
1783	* holyword is part of an attacktype, then make sure the creature is
1784	* a proper match, otherwise no damage.
1785	*/
1786	if (type & AT_HOLYWORD)
1787	{
1788	object *god;
1789
1790	if ((!hitter->slaying
1791	|| (!(op->race && hitter->slaying.contains (op->race))
1792	&& !(op->name && hitter->slaying.contains (op->name))))
1793	&& (!QUERY_FLAG (op, FLAG_UNDEAD)
1794	|| (hitter->title
1795	&& (god = find_god (determine_god (hitter))) != NULL
1796	&& god->race.contains (shstr_undead))))
1797	return 0;
1798	}
1799
1800	maxattacktype = type; /* initialise this to something */
1801	for (attacknum = 0; attacknum < NROFATTACKS; attacknum++, attacktype = 1 << attacknum)
1802	{
1803	/* Magic isn't really a true attack type - it gets combined with other
1804	* attack types. As such, skip it over. However, if magic is
1805	* the only attacktype in the group, then still attack with it
1806	*/
1807	if ((attacktype == AT_MAGIC) && (type & ~AT_MAGIC))
1808	continue;
1809
1810	/* Go through and hit the player with each attacktype, one by one.
1811	* hit_player_attacktype only figures out the damage, doesn't inflict
1812	* it. It will do the appropriate action for attacktypes with
1813	* effects (slow, paralization, etc.
1814	*/
1815	if (type & attacktype)
1816	{
1817	ndam = hit_player_attacktype (op, hitter, dam, attacknum, magic);
1818	/* the >= causes us to prefer messages from special attacks, if
1819	* the damage is equal.
1820	*/
1821	if (ndam >= maxdam)
1822	{
1823	maxdam = ndam;
1824	maxattacktype = 1 << attacknum;
1825	}
1826	}
1827	}
1828
1829	/* if this is friendly fire then do a set % of damage only
1830	* Note - put a check in to make sure this attack is actually
1831	* doing damage - otherwise, the +1 in the code below will make
1832	* an attack do damage before when it otherwise didn't
1833	*/
1834	friendlyfire = friendly_fire (op, hitter);
1835	if (friendlyfire && maxdam)
1836	{
1837	maxdam = ((dam * settings.set_friendly_fire) / 100);
1838
1839	#ifdef ATTACK_DEBUG
1840	LOG (llevDebug, "Friendly fire (type:%d setting: %d%) did %d damage dropped to %d\n",
1841	friendlyfire, settings.set_friendly_fire, dam, maxdam);
1842	#endif
1843	}
1844
1845	if (!full_hit)
1846	{
1847	int area;
1848	int remainder;
1849
1850	area = 0;
1851
1852	for (archetype *at = op->arch; at; at = (archetype *)at->more)
1853	area++;
1854
1855	assert (area > 0);
1856
1857	/* basically: maxdam /= area; we try to "simulate" a float
1858	value-effect */
1859	remainder = 100 * (maxdam % area) / area;
1860	maxdam /= area;
1861	if (rndm (100) < remainder)
1862	maxdam++;
1863	}
1864
1865	#ifdef ATTACK_DEBUG
1866	LOG (llevDebug, "Attacktype %d did %d damage\n", type, maxdam);
1867	#endif
1868
1869	// for now, only do this for active objects, otherwise they
1870	// keep a refcount for a long time and I see no usefulness
1871	// for an non-active objetc to know its enemy.
1872	if (op->active)
1873	if (hitter->owner)
1874	op->enemy = hitter->owner;
1875	else if (QUERY_FLAG (hitter, FLAG_ALIVE))
1876	op->enemy = hitter;
1877
1878	if (QUERY_FLAG (op, FLAG_UNAGGRESSIVE) && op->type != PLAYER)
1879	{
1880	/* The unaggressives look after themselves 8) */
1881	CLEAR_FLAG (op, FLAG_UNAGGRESSIVE);
1882	npc_call_help (op);
1883	}
1884
1885	if (magic && did_make_save (op, op->level, 0))
1886	maxdam = maxdam / 2;
1887
1888	attack_message (maxdam, maxattacktype, op, hitter);
1889
1890	op->stats.hp -= maxdam;
1891
1892	/* Eneq(@csd.uu.se): Check to see if monster runs away. */
1893	if ((op->stats.hp >= 0) &&
1894	(QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER) &&
1895	op->stats.hp < (signed short) (((float) op->run_away / (float) 100) * (float) op->stats.maxhp))
1896	{
1897
1898	if (QUERY_FLAG (op, FLAG_MONSTER))
1899	SET_FLAG (op, FLAG_RUN_AWAY);
1900	else
1901	scare_creature (op, hitter);
1902	}
1903
1904	if (QUERY_FLAG (op, FLAG_TEAR_DOWN))
1905	{
1906	if (maxdam)
1907	tear_down_wall (op);
1908
1909	return maxdam; /* nothing more to do for wall */
1910	}
1911
1912	/* See if the creature has been killed */
1913	rtn_kill = kill_object (op, maxdam, hitter, type);
1914	if (rtn_kill != -1)
1915	return rtn_kill;
1916
1917	/* Used to be ghosthit removal - we now use the ONE_HIT flag. Note
1918	* that before if the player was immune to ghosthit, the monster
1919	* remained - that is no longer the case.
1920	*/
1921	if (QUERY_FLAG (hitter, FLAG_ONE_HIT))
1922	hitter->drop_and_destroy ();
1923	/* Lets handle creatures that are splitting now */
1924	else if (type & AT_PHYSICAL && !QUERY_FLAG (op, FLAG_FREED) && QUERY_FLAG (op, FLAG_SPLITTING))
1925	{
1926	int i;
1927	int friendly = QUERY_FLAG (op, FLAG_FRIENDLY);
1928	int unaggressive = QUERY_FLAG (op, FLAG_UNAGGRESSIVE);
1929	object *owner = op->owner;
1930
1931	if (!op->other_arch)
1932	{
1933	LOG (llevError, "SPLITTING without other_arch error.\n");
1934	return maxdam;
1935	}
1936
1937	op->remove ();
1938
1939	for (i = 0; i < op->stats.food; i++)
1940	{ /* This doesn't handle op->more yet */
1941	object *tmp = arch_to_object (op->other_arch);
1942	int j;
1943
1944	tmp->stats.hp = op->stats.hp;
1945
1946	if (friendly)
1947	{
1948	add_friendly_object (tmp);
1949	tmp->attack_movement = PETMOVE;
1950
1951	if (owner)
1952	tmp->set_owner (owner);
1953	}
1954
1955	if (unaggressive)
1956	SET_FLAG (tmp, FLAG_UNAGGRESSIVE);
1957
1958	j = find_first_free_spot (tmp, op->map, op->x, op->y);
1959
1960	if (j == -1) /* No spot to put this monster */
1961	tmp->destroy ();
1962	else
1963	{
1964	tmp->x = op->x + freearr_x[j], tmp->y = op->y + freearr_y[j];
1965	insert_ob_in_map (tmp, op->map, NULL, 0);
1966	}
1967	}
1968
1969	op->destroy ();
1970	}
1971	else if (type & AT_DRAIN && hitter->type == GRIMREAPER && hitter->value++ > 10)
1972	hitter->drop_and_destroy ();
1973
1974	return maxdam;
1975	}
1976
1977	void
1978	poison_player (object *op, object *hitter, int dam)
1979	{
1980	archetype *at = archetype::find ("poisoning");
1981	object *tmp = present_arch_in_ob (at, op);
1982
1983	if (tmp == NULL)
1984	{
1985	if ((tmp = arch_to_object (at)) == NULL)
1986	LOG (llevError, "Failed to clone arch poisoning.\n");
1987	else
1988	{
1989	tmp = insert_ob_in_ob (tmp, op);
1990	/* peterm: give poisoning some teeth. It should
1991	* be able to kill things better than it does:
1992	* damage should be dependent something--I choose to
1993	* do this: if it's a monster, the damage from the
1994	* poisoning goes as the level of the monster/2.
1995	* If anything else, goes as damage.
1996	*/
1997
1998	if (QUERY_FLAG (hitter, FLAG_ALIVE))
1999	tmp->stats.dam += hitter->level / 2;
2000	else
2001	tmp->stats.dam = dam;
2002
2003	tmp->set_owner (hitter); /* so we get credit for poisoning kills */
2004	if (hitter->skill && hitter->skill != tmp->skill)
2005	{
2006	tmp->skill = hitter->skill;
2007	}
2008
2009	tmp->stats.food += dam; /* more damage, longer poisoning */
2010
2011	if (op->type == PLAYER)
2012	{
2013	/* player looses stats, maximum is -10 of each */
2014	tmp->stats.Con = MAX (-(dam / 4 + 1), -10);
2015	tmp->stats.Str = MAX (-(dam / 3 + 2), -10);
2016	tmp->stats.Dex = MAX (-(dam / 6 + 1), -10);
2017	tmp->stats.Int = MAX (-dam / 7, -10);
2018	SET_FLAG (tmp, FLAG_APPLIED);
2019	op->update_stats ();
2020	new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very ill.");
2021	op->play_sound (tmp->sound);
2022	}
2023
2024	if (hitter->type == PLAYER)
2025	new_draw_info_format (NDI_UNIQUE, 0, hitter, "You poison %s.", &op->name);
2026	else if (hitter->owner != NULL && hitter->owner->type == PLAYER)
2027	new_draw_info_format (NDI_UNIQUE, 0, hitter->owner, "Your %s poisons %s.", &hitter->name, &op->name);
2028	}
2029
2030	tmp->speed_left = 0;
2031	}
2032	else
2033	tmp->stats.food++;
2034	}
2035
2036	void
2037	slow_player (object *op, object *hitter, int dam)
2038	{
2039	archetype *at = archetype::find ("slowness");
2040	object *tmp;
2041
2042	if (at == NULL)
2043	LOG (llevError, "Can't find slowness archetype.\n");
2044
2045	if ((tmp = present_arch_in_ob (at, op)) == NULL)
2046	{
2047	tmp = arch_to_object (at);
2048	tmp = insert_ob_in_ob (tmp, op);
2049	new_draw_info (NDI_UNIQUE, 0, op, "The world suddenly moves very fast!");
2050	}
2051	else
2052	tmp->stats.food++;
2053
2054	SET_FLAG (tmp, FLAG_APPLIED);
2055	tmp->speed_left = 0;
2056	op->update_stats ();
2057	}
2058
2059	void
2060	confuse_player (object *op, object *hitter, int dam)
2061	{
2062	object *tmp;
2063	int maxduration;
2064
2065	tmp = present_in_ob_by_name (FORCE, "confusion", op);
2066	if (!tmp)
2067	{
2068	tmp = get_archetype (FORCE_NAME);
2069	tmp = insert_ob_in_ob (tmp, op);
2070	}
2071
2072	/* Duration added per hit and max. duration of confusion both depend
2073	* on the player's resistance
2074	*/
2075	tmp->speed = 0.05;
2076	tmp->subtype = FORCE_CONFUSION;
2077	tmp->duration = 8 + MAX (1, 5 * (100 - op->resist[ATNR_CONFUSION]) / 100);
2078	tmp->name = "confusion";
2079	maxduration = MAX (2, 30 * (100 - op->resist[ATNR_CONFUSION]) / 100);
2080
2081	if (tmp->duration > maxduration)
2082	tmp->duration = maxduration;
2083
2084	if (op->type == PLAYER && !QUERY_FLAG (op, FLAG_CONFUSED))
2085	new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very confused!");
2086
2087	SET_FLAG (op, FLAG_CONFUSED);
2088	}
2089
2090	void
2091	blind_player (object *op, object *hitter, int dam)
2092	{
2093	object *tmp, *owner;
2094
2095	/* Save some work if we know it isn't going to affect the player */
2096	if (op->resist[ATNR_BLIND] == 100)
2097	return;
2098
2099	tmp = present_in_ob (BLINDNESS, op);
2100	if (!tmp)
2101	{
2102	tmp = get_archetype ("blindness");
2103	SET_FLAG (tmp, FLAG_BLIND);
2104	SET_FLAG (tmp, FLAG_APPLIED);
2105	/* use floats so we don't lose too much precision due to rounding errors.
2106	* speed is a float anyways.
2107	*/
2108	tmp->speed = tmp->speed * (100.0 - (float) op->resist[ATNR_BLIND]) / 100;
2109
2110	tmp = insert_ob_in_ob (tmp, op);
2111	change_abil (op, tmp); /* Mostly to display any messages */
2112	op->update_stats (); /* This takes care of some other stuff */
2113
2114	if (hitter->owner)
2115	owner = hitter->owner;
2116	else
2117	owner = hitter;
2118
2119	new_draw_info_format (NDI_UNIQUE, 0, owner, "Your attack blinds %s!", query_name (op));
2120	}
2121	tmp->stats.food += dam;
2122	if (tmp->stats.food > 10)
2123	tmp->stats.food = 10;
2124	}
2125
2126	void
2127	paralyze_player (object *op, object *hitter, int dam)
2128	{
2129	float effect, max;
2130
2131	/* object *tmp; */
2132
2133	/* This is strange stuff... someone knows for what this is
2134	* written? Well, i think this can and should be removed
2135	*/
2136
2137	/*
2138	if((tmp=present(PARAIMAGE,op->map,op->x,op->y))==NULL) {
2139	tmp=clone_arch(PARAIMAGE);
2140	tmp->x=op->x,tmp->y=op->y;
2141	insert_ob_in_map(tmp,op->map,tmp,INS_NO_MERGE | INS_NO_WALK_ON);
2142	}
2143	*/
2144
2145	/* Do this as a float - otherwise, rounding might very well reduce this to 0 */
2146	effect = (float) dam *3.0 * (100.0 - op->resist[ATNR_PARALYZE]) / 100;
2147
2148	if (effect == 0)
2149	return;
2150
2151	op->speed_left -= FABS (op->speed) * effect;
2152	/* tmp->stats.food+=(signed short) effect/op->speed; */
2153
2154	/* max number of ticks to be affected for. */
2155	max = (100 - op->resist[ATNR_PARALYZE]) / 2;
2156	if (op->speed_left < -(FABS (op->speed) * max))
2157	op->speed_left = (float) -(FABS (op->speed) * max);
2158
2159	/* tmp->stats.food = (signed short) (max/FABS(op->speed)); */
2160	}
2161
2162	/* Attempts to kill 'op'. hitter is the attack object, dam is
2163	* the computed damaged.
2164	*/
2165	void
2166	deathstrike_player (object *op, object *hitter, int *dam)
2167	{
2168	/* The intention of a death attack is to kill outright things
2169	** that are a lot weaker than the attacker, have a chance of killing
2170	** things somewhat weaker than the caster, and no chance of
2171	** killing something equal or stronger than the attacker.
2172	** Also, if a deathstrike attack has a slaying, any monster
2173	** whose name or race matches a comma-delimited list in the slaying
2174	** field of the deathstriking object */
2175
2176	int atk_lev, def_lev, kill_lev;
2177
2178	if (hitter->slaying)
2179	if (!((QUERY_FLAG (op, FLAG_UNDEAD) && hitter->slaying.contains (shstr_undead))
2180	|| (op->race && hitter->slaying.contains (op->race))))
2181	return;
2182
2183	def_lev = op->level;
2184	if (def_lev < 1)
2185	{
2186	LOG (llevError, "BUG: arch %s with level < 1 (%s)\n", &op->arch->archname, op->debug_desc ());
2187	def_lev = 1;
2188	}
2189
2190	atk_lev = (hitter->chosen_skill ? hitter->chosen_skill->level : hitter->level) / 2;
2191	/* LOG(llevDebug,"Deathstrike - attack level %d, defender level %d\n",
2192	atk_lev, def_lev); */
2193
2194	if (atk_lev >= def_lev)
2195	{
2196	kill_lev = random_roll (0, atk_lev - 1, hitter, PREFER_HIGH);
2197
2198	/* Note that the below effectively means the ratio of the atk vs
2199	* defener level is important - if level 52 character has very little
2200	* chance of killing a level 50 monster. This should probably be
2201	* redone.
2202	*/
2203	if (kill_lev >= def_lev)
2204	{
2205	*dam = op->stats.hp + 10; /* take all hp. they can still save for 1/2 */
2206	/* I think this doesn't really do much. Because of
2207	* integer rounding, this only makes any difference if the
2208	* attack level is double the defender level.
2209	*/
2210	*dam *= kill_lev / def_lev;
2211	}
2212	}
2213	else
2214	*dam = 0; /* no harm done */
2215	}
2216
2217	/* thrown_item_effect() - handles any special effects of thrown
2218	* items (like attacking living creatures--a potion thrown at a
2219	* monster).
2220	*/
2221	static void
2222	thrown_item_effect (object *hitter, object *victim)
2223	{
2224	if (!QUERY_FLAG (hitter, FLAG_ALIVE))
2225	{
2226	/* May not need a switch for just 2 types, but this makes it
2227	* easier for expansion.
2228	*/
2229	switch (hitter->type)
2230	{
2231	case POTION:
2232	/* should player get a save throw instead of checking magic protection? */
2233	if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_MAGIC] < 60))
2234	(void) apply_potion (victim, hitter);
2235	break;
2236
2237	case POISON: /* poison drinks */
2238	/* As with potions, should monster get a save? */
2239	if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_POISON] < 60))
2240	apply_poison (victim, hitter);
2241	break;
2242
2243	/* Removed case statements that did nothing.
2244	* food may be poisonous, but monster must be willing to eat it,
2245	* so we don't handle it here.
2246	* Containers should perhaps break open, but that code was disabled.
2247	*/
2248	}
2249	}
2250	}
2251
2252	/* adj_attackroll() - adjustments to attacks by various conditions */
2253	int
2254	adj_attackroll (object *hitter, object *target)
2255	{
2256	object *attacker = hitter;
2257	int adjust = 0;
2258
2259	/* safety */
2260	if (!target || !hitter || !hitter->map || !target->map || !on_same_map (hitter, target))
2261	{
2262	LOG (llevError, "BUG: adj_attackroll(): hitter and target not on same " "map\n");
2263	return 0;
2264	}
2265
2266	/* aimed missiles use the owning object's sight */
2267	if (is_aimed_missile (hitter))
2268	{
2269	if ((attacker = hitter->owner) == NULL)
2270	attacker = hitter;
2271	/* A player who saves but hasn't quit still could have objects
2272	* owned by him - need to handle that case to avoid crashes.
2273	*/
2274	if (QUERY_FLAG (attacker, FLAG_REMOVED))
2275	attacker = hitter;
2276	}
2277	else if (!QUERY_FLAG (hitter, FLAG_ALIVE))
2278	return 0;
2279
2280	/* determine the condtions under which we make an attack.
2281	* Add more cases, as the need occurs. */
2282
2283	if (!can_see_enemy (attacker, target))
2284	{
2285	/* target is unseen */
2286	if (target->invisible || QUERY_FLAG (attacker, FLAG_BLIND))
2287	adjust -= 10;
2288	/* dark map penalty for the hitter (lacks infravision if we got here). */
2289	else if (!stand_in_light (target))
2290	adjust -= target->map->darklevel ();
2291	}
2292
2293	if (QUERY_FLAG (attacker, FLAG_SCARED))
2294	adjust -= 3;
2295
2296	if (QUERY_FLAG (target, FLAG_UNAGGRESSIVE))
2297	adjust += 1;
2298
2299	if (QUERY_FLAG (target, FLAG_SCARED))
2300	adjust += 1;
2301
2302	if (QUERY_FLAG (attacker, FLAG_CONFUSED))
2303	adjust -= 3;
2304
2305	/* if we attack at a different 'altitude' its harder */
2306	if ((attacker->move_type & target->move_type) == 0)
2307	adjust -= 2;
2308
2309	#if 0
2310	/* slower attacks are less likely to succeed. We should use a
2311	* comparison between attacker/target speeds BUT, players have
2312	* a generally faster speed, so this will wind up being a HUGE
2313	* disadantage for the monsters! Too bad, because missiles which
2314	* fly fast should have a better chance of hitting a slower target.
2315	*/
2316	if (hitter->speed < target->speed)
2317	adjust += ((float) hitter->speed - target->speed);
2318	#endif
2319
2320	#if 0
2321	LOG (llevDebug, "adj_attackroll() returns %d (%d)\n", adjust, attacker->count);
2322	#endif
2323
2324	return adjust;
2325	}
2326
2327	/* determine if the object is an 'aimed' missile */
2328	int
2329	is_aimed_missile (object *op)
2330	{
2331
2332	/* I broke what used to be one big if into a few nested
2333	* ones so that figuring out the logic is at least possible.
2334	*/
2335	if (op && (op->move_type & MOVE_FLYING))
2336	if (op->type == ARROW || op->type == THROWN_OBJ)
2337	return 1;
2338	else if (op->type == SPELL_EFFECT && (op->subtype == SP_BULLET || op->subtype == SP_EXPLOSION))
2339	return 1;
2340
2341	return 0;
2342	}

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