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

Comparing deliantra/server/server/monster.C (file contents):
Revision 1.22 by pippijn, Mon Jan 15 21:06:20 2007 UTC vs.
Revision 1.55 by root, Sat Dec 27 07:50:05 2008 UTC

…		…
1	/*	1	/*
2	* CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (C) 2002 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7	*	7	*
8	* This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
10	* the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
11	* (at your option) any later version.	11	* (at your option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
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 GNU General Public License
19	* along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21	*	20	*
22	* The authors can be reached via e-mail at <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	22	*/
24		23
25	#include <global.h>	24	#include <global.h>
26	#include <sproto.h>	25	#include <sproto.h>
27	#include <spells.h>	26	#include <spells.h>
36	* set to sane values.	35	* set to sane values.
37	*/	36	*/
38	object *	37	object *
39	check_enemy (object npc, rv_vector rv)	38	check_enemy (object npc, rv_vector rv)
40	{	39	{
41
42	/* if this is pet, let him attack the same enemy as his owner	40	/* if this is pet, let him attack the same enemy as his owner
43	* TODO: when there is no ower enemy, try to find a target,	41	* TODO: when there is no ower enemy, try to find a target,
44	* which CAN attack the owner. */	42	* which CAN attack the owner. */
45	if ((npc->attack_movement & HI4) == PETMOVE)	43	if ((npc->attack_movement & HI4) == PETMOVE)
46	{	44	{
…		…
85	* target enemy - this code below makes sure the enemy is something	83	* target enemy - this code below makes sure the enemy is something
86	* that should be attacked. My guess is that the arrow hits	84	* that should be attacked. My guess is that the arrow hits
87	* the creature/owner, and so the creature then takes that	85	* the creature/owner, and so the creature then takes that
88	* as the enemy to attack.	86	* as the enemy to attack.
89	*/	87	*/
90	else if (!QUERY_FLAG (npc->enemy, FLAG_MONSTER) &&	88	else if (!QUERY_FLAG (npc->enemy, FLAG_MONSTER)
91	!QUERY_FLAG (npc->enemy, FLAG_GENERATOR) && npc->enemy->type != PLAYER && npc->enemy->type != GOLEM)	89	&& !QUERY_FLAG (npc->enemy, FLAG_GENERATOR)
		90	&& npc->enemy->type != PLAYER
		91	&& npc->enemy->type != GOLEM)
92	npc->enemy = NULL;	92	npc->enemy = NULL;
93		93
94	}	94	}
		95
95	return can_detect_enemy (npc, npc->enemy, rv) ? npc->enemy : NULL;	96	return can_detect_enemy (npc, npc->enemy, rv) ? npc->enemy : NULL;
96	}	97	}
97		98
98	/* Returns the nearest living creature (monster or generator).	99	/* Returns the nearest living creature (monster or generator).
99	* Modified to deal with tiled maps properly.	100	* Modified to deal with tiled maps properly.
…		…
143	}	144	}
144		145
145	return 0;	146	return 0;
146	}	147	}
147		148
148
149	/* Tries to find an enmy for npc. We pass the range vector since	149	/* Tries to find an enemy for npc. We pass the range vector since
150	* our caller will find the information useful.	150	* our caller will find the information useful.
151	* Currently, only move_monster calls this function.	151	* Currently, only move_monster calls this function.
152	* Fix function so that we always make calls to get_rangevector	152	* Fix function so that we always make calls to get_rangevector
153	* if we have a valid target - function as not doing so in	153	* if we have a valid target - function as not doing so in
154	* many cases.	154	* many cases.
155	*/	155	*/
156
157	object *	156	object *
158	find_enemy (object npc, rv_vector rv)	157	find_enemy (object npc, rv_vector rv)
159	{	158	{
160	object attacker, tmp = NULL;	159	object attacker, tmp = NULL;
161		160
…		…
167	{	166	{
168	tmp = find_nearest_living_creature (npc);	167	tmp = find_nearest_living_creature (npc);
169		168
170	if (tmp)	169	if (tmp)
171	get_rangevector (npc, tmp, rv, 0);	170	get_rangevector (npc, tmp, rv, 0);
		171
172	return tmp;	172	return tmp;
173	}	173	}
174		174
175	/* Here is the main enemy selection.	175	/* Here is the main enemy selection.
176	* We want this: if there is an enemy, attack him until its not possible or	176	* We want this: if there is an enemy, attack him until its not possible or
…		…
196	/* we check our old enemy. */	196	/* we check our old enemy. */
197	if (!(tmp = check_enemy (npc, rv)))	197	if (!(tmp = check_enemy (npc, rv)))
198	{	198	{
199	if (attacker) /* if we have an attacker, check him */	199	if (attacker) /* if we have an attacker, check him */
200	{	200	{
201	/* TODO: thats not finished */	201	/* TODO: that's not finished */
202	/* we don't want a fight evil vs evil or good against non evil */	202	/* we don't want a fight evil vs evil or good against non evil */
203		203
204	if (QUERY_FLAG (npc, FLAG_NEUTRAL) \|\| QUERY_FLAG (attacker, FLAG_NEUTRAL) \|\| /* neutral */	204	if (QUERY_FLAG (npc, FLAG_NEUTRAL) \|\| QUERY_FLAG (attacker, FLAG_NEUTRAL) \|\| /* neutral */
205	(QUERY_FLAG (npc, FLAG_FRIENDLY) && QUERY_FLAG (attacker, FLAG_FRIENDLY)) \|\|	205	(QUERY_FLAG (npc, FLAG_FRIENDLY) && QUERY_FLAG (attacker, FLAG_FRIENDLY)) \|\|
206	(!QUERY_FLAG (npc, FLAG_FRIENDLY) && (!QUERY_FLAG (attacker, FLAG_FRIENDLY) && attacker->type != PLAYER)))	206	(!QUERY_FLAG (npc, FLAG_FRIENDLY) && (!QUERY_FLAG (attacker, FLAG_FRIENDLY) && attacker->type != PLAYER)))
207	CLEAR_FLAG (npc, FLAG_SLEEP); /* skip it, but lets wakeup */	207	CLEAR_FLAG (npc, FLAG_SLEEP); /* skip it, but lets wakeup */
208	else if (on_same_map (npc, attacker)) /* thats the only thing we must know... */	208	else if (on_same_map (npc, attacker)) /* that's the only thing we must know... */
209	{	209	{
210	CLEAR_FLAG (npc, FLAG_SLEEP); /* well, NOW we really should wake up! */	210	CLEAR_FLAG (npc, FLAG_SLEEP); /* well, NOW we really should wake up! */
211	npc->enemy = attacker;	211	npc->enemy = attacker;
212	return attacker; /* yes, we face our attacker! */	212	return attacker; /* yes, we face our attacker! */
213	}	213	}
…		…
229	/* Sees if this monster should wake up.	229	/* Sees if this monster should wake up.
230	* Currently, this is only called from move_monster, and	230	* Currently, this is only called from move_monster, and
231	* if enemy is set, then so should be rv.	231	* if enemy is set, then so should be rv.
232	* returns 1 if the monster should wake up, 0 otherwise.	232	* returns 1 if the monster should wake up, 0 otherwise.
233	*/	233	*/
234
235	int	234	int
236	check_wakeup (object op, object enemy, rv_vector * rv)	235	check_wakeup (object op, object enemy, rv_vector *rv)
237	{	236	{
238	int radius = op->stats.Wis > MIN_MON_RADIUS ? op->stats.Wis : MIN_MON_RADIUS;
239
240	/* Trim work - if no enemy, no need to do anything below */	237	/* Trim work - if no enemy, no need to do anything below */
241	if (!enemy)	238	if (!enemy)
242	return 0;	239	return 0;
243		240
		241	int radius = max (op->stats.Wis, MIN_MON_RADIUS);
		242
		243	if (op->flag [FLAG_BLIND])
244	/* blinded monsters can only find nearby objects to attack */	244	/* blinded monsters can only find nearby objects to attack */
245	if (QUERY_FLAG (op, FLAG_BLIND))
246	radius = MIN_MON_RADIUS;	245	radius = MIN_MON_RADIUS;
247		246	else if (op->map
		247	&& !enemy->invisible
		248	&& !stand_in_light (enemy)
		249	&& (!op->flag[FLAG_SEE_IN_DARK] \|\| !op->flag [FLAG_SEE_INVISIBLE]))
248	/* This covers the situation where the monster is in the dark	250	/* This covers the situation where the monster is in the dark
249	* and has an enemy. If the enemy has no carried light (or isnt	251	* and has an enemy. If the enemy has no carried light (or isnt
250	* glowing!) then the monster has trouble finding the enemy.	252	* glowing!) then the monster has trouble finding the enemy.
251	* Remember we already checked to see if the monster can see in	253	* Remember we already checked to see if the monster can see in
252	* the dark. */	254	* the dark. */
253		255	radius = min (radius, MIN_MON_RADIUS + MAX_DARKNESS - op->map->darklevel ());
254	else if (op->map && op->map->darkness > 0 && enemy && !enemy->invisible &&	256	else if (!op->flag [FLAG_SLEEP])
255	!stand_in_light (enemy) && (!QUERY_FLAG (op, FLAG_SEE_IN_DARK) \|\| !QUERY_FLAG (op, FLAG_SEE_INVISIBLE)))
256	{
257	int dark = radius / (op->map->darkness);
258
259	radius = (dark > MIN_MON_RADIUS) ? (dark + 1) : MIN_MON_RADIUS;
260	}
261	else if (!QUERY_FLAG (op, FLAG_SLEEP))
262	return 1;	257	return 1;
		258
		259	if (enemy->flag [FLAG_STEALTH])
		260	radius = radius / 2 + 1;
263		261
264	/* enemy should already be on this map, so don't really need to check	262	/* enemy should already be on this map, so don't really need to check
265	* for that.	263	* for that.
266	*/	264	*/
267	if (rv->distance < (unsigned int) (QUERY_FLAG (enemy, FLAG_STEALTH) ? (radius / 2) + 1 : radius))	265	if (rv->distance <= radius)
268	{	266	{
269	CLEAR_FLAG (op, FLAG_SLEEP);	267	CLEAR_FLAG (op, FLAG_SLEEP);
270	return 1;	268	return 1;
271	}	269	}
		270
272	return 0;	271	return 0;
273	}	272	}
274		273
275	int	274	int
276	move_randomly (object *op)	275	move_randomly (object *op)
277	{	276	{
278	int i;
279
280	/* Give up to 15 chances for a monster to move randomly */	277	/* Give up to 15 chances for a monster to move randomly */
281	for (i = 0; i < 15; i++)	278	for (int i = 0; i < 15; i++)
282	{
283	if (move_object (op, RANDOM () % 8 + 1))	279	if (move_object (op, rndm (8) + 1))
284	return 1;	280	return 1;
285	}	281
286	return 0;	282	return 0;
287	}	283	}
288		284
289	/*	285	/*
290	* Move-monster returns 1 if the object has been freed, otherwise 0.	286	* Move-monster returns 1 if the object has been freed, otherwise 0.
291	*/	287	*/
292
293	int	288	int
294	move_monster (object *op)	289	move_monster (object *op)
295	{	290	{
296	int dir, diff, pre_att_dir; /* elmex: pre_att_dir remembers the direction before attack movement */	291	int dir, diff, pre_att_dir; /* elmex: pre_att_dir remembers the direction before attack movement */
297	object owner, enemy, part, oph = op;	292	object owner, enemy, part, oph = op;
…		…
314	enemy->attacked_by = op; /* our ptr */	309	enemy->attacked_by = op; /* our ptr */
315		310
316	/* generate hp, if applicable */	311	/* generate hp, if applicable */
317	if (op->stats.Con > 0 && op->stats.hp < op->stats.maxhp)	312	if (op->stats.Con > 0 && op->stats.hp < op->stats.maxhp)
318	{	313	{
319
320	/* last heal is in funny units. Dividing by speed puts	314	/* last heal is in funny units. Dividing by speed puts
321	* the regeneration rate on a basis of time instead of	315	* the regeneration rate on a basis of time instead of
322	* #moves the monster makes. The scaling by 8 is	316	* #moves the monster makes. The scaling by 8 is
323	* to capture 8th's of a hp fraction regens	317	* to capture 8th's of a hp fraction regens
324	*	318	*
…		…
329	op->last_heal += (int) ((float) (8 * op->stats.Con) / FABS (op->speed));	323	op->last_heal += (int) ((float) (8 * op->stats.Con) / FABS (op->speed));
330	op->stats.hp = MIN ((sint32) op->stats.hp + op->last_heal / 32, op->stats.maxhp); /* causes Con/4 hp/tick */	324	op->stats.hp = MIN ((sint32) op->stats.hp + op->last_heal / 32, op->stats.maxhp); /* causes Con/4 hp/tick */
331	op->last_heal %= 32;	325	op->last_heal %= 32;
332		326
333	/* So if the monster has gained enough HP that they are no longer afraid */	327	/* So if the monster has gained enough HP that they are no longer afraid */
334	if (QUERY_FLAG (op, FLAG_RUN_AWAY) && op->stats.hp >= (signed short) (((float) op->run_away / (float) 100) * (float) op->stats.maxhp))	328	if (QUERY_FLAG (op, FLAG_RUN_AWAY) && op->stats.hp >= (signed short)(((float)op->run_away / 100.f) * (float)op->stats.maxhp))
335	CLEAR_FLAG (op, FLAG_RUN_AWAY);	329	CLEAR_FLAG (op, FLAG_RUN_AWAY);
336		330
337	if (op->stats.hp > op->stats.maxhp)	331	if (op->stats.hp > op->stats.maxhp)
338	op->stats.hp = op->stats.maxhp;	332	op->stats.hp = op->stats.maxhp;
339	}	333	}
340		334
341	/* generate sp, if applicable */	335	/* generate sp, if applicable */
342	if (op->stats.Pow > 0 && op->stats.sp < op->stats.maxsp)	336	if (op->stats.Pow > 0 && op->stats.sp < op->stats.maxsp)
343	{	337	{
344
345	/* last_sp is in funny units. Dividing by speed puts	338	/* last_sp is in funny units. Dividing by speed puts
346	* the regeneration rate on a basis of time instead of	339	* the regeneration rate on a basis of time instead of
347	* #moves the monster makes. The scaling by 8 is	340	* #moves the monster makes. The scaling by 8 is
348	* to capture 8th's of a sp fraction regens	341	* to capture 8th's of a sp fraction regens
349	*	342	*
350	* Cast to sint32 before comparing to maxhp since otherwise an (sint16)	343	* Cast to sint32 before comparing to maxhp since otherwise an (sint16)
351	* overflow might produce monsters with negative sp.	344	* overflow might produce monsters with negative sp.
352	*/	345	*/
353		346
354	op->last_sp += (int) ((float) (8 * op->stats.Pow) / FABS (op->speed));	347	op->last_sp += (int) ((float) (8 * op->stats.Pow) / fabsf (op->speed));
355	op->stats.sp = MIN (op->stats.sp + op->last_sp / 128, op->stats.maxsp); /* causes Pow/16 sp/tick */	348	op->stats.sp = min (op->stats.sp + op->last_sp / 128, op->stats.maxsp); /* causes Pow/16 sp/tick */
356	op->last_sp %= 128;	349	op->last_sp %= 128;
357	}	350	}
358		351
359	/* this should probably get modified by many more values.	352	/* this should probably get modified by many more values.
360	* (eg, creatures resistance to fear, level, etc. )	353	* (eg, creatures resistance to fear, level, etc. )
361	*/	354	*/
362	if (QUERY_FLAG (op, FLAG_SCARED) && !(RANDOM () % 20))	355	if (QUERY_FLAG (op, FLAG_SCARED) && !(rndm (20)))
363	{
364	CLEAR_FLAG (op, FLAG_SCARED); /* Time to regain some "guts"... */	356	CLEAR_FLAG (op, FLAG_SCARED); /* Time to regain some "guts"... */
365	}
366		357
367	if (INVOKE_OBJECT (MONSTER_MOVE, op, ARG_OBJECT (op->enemy)))	358	if (INVOKE_OBJECT (MONSTER_MOVE, op, ARG_OBJECT (op->enemy)))
368	return QUERY_FLAG (op, FLAG_FREED);	359	return QUERY_FLAG (op, FLAG_FREED);
369		360
370	if (QUERY_FLAG (op, FLAG_SLEEP) \|\| QUERY_FLAG (op, FLAG_BLIND) \|\|	361	if (QUERY_FLAG (op, FLAG_SLEEP) \|\| QUERY_FLAG (op, FLAG_BLIND) \|\|
371	((op->map->darkness > 0) && !QUERY_FLAG (op, FLAG_SEE_IN_DARK) && !QUERY_FLAG (op, FLAG_SEE_INVISIBLE)))	362	((op->map->darklevel () > 0) && !QUERY_FLAG (op, FLAG_SEE_IN_DARK) && !QUERY_FLAG (op, FLAG_SEE_INVISIBLE)))
372	{
373	if (!check_wakeup (op, enemy, &rv))	363	if (!check_wakeup (op, enemy, &rv))
374	return 0;	364	return 0;
375	}
376		365
377	/* check if monster pops out of hidden spot */	366	/* check if monster pops out of hidden spot */
378	if (op->hide)	367	if (op->flag [FLAG_HIDDEN])
379	do_hidden_move (op);	368	do_hidden_move (op);
380		369
381	if (op->pick_up)	370	if (op->pick_up)
382	monster_check_pickup (op);	371	monster_check_pickup (op);
383		372
…		…
387	/* If we don't have an enemy, do special movement or the like */	376	/* If we don't have an enemy, do special movement or the like */
388	if (!enemy)	377	if (!enemy)
389	{	378	{
390	if (QUERY_FLAG (op, FLAG_ONLY_ATTACK))	379	if (QUERY_FLAG (op, FLAG_ONLY_ATTACK))
391	{	380	{
392	op->destroy ();	381	op->drop_and_destroy ();
393	return 1;	382	return 1;
394	}	383	}
395		384
396	/* Probably really a bug for a creature to have both	385	/* Probably really a bug for a creature to have both
397	* stand still and a movement type set.	386	* stand still and a movement type set.
…		…
400	{	389	{
401	if (op->attack_movement & HI4)	390	if (op->attack_movement & HI4)
402	{	391	{
403	switch (op->attack_movement & HI4)	392	switch (op->attack_movement & HI4)
404	{	393	{
405	case (PETMOVE):	394	case (PETMOVE):
406	pet_move (op);	395	pet_move (op);
407	break;	396	break;
408		397
409	case (CIRCLE1):	398	case (CIRCLE1):
410	circ1_move (op);	399	circ1_move (op);
411	break;	400	break;
412		401
413	case (CIRCLE2):	402	case (CIRCLE2):
414	circ2_move (op);	403	circ2_move (op);
415	break;	404	break;
416		405
417	case (PACEV):	406	case (PACEV):
418	pace_movev (op);	407	pace_movev (op);
419	break;	408	break;
420		409
421	case (PACEH):	410	case (PACEH):
422	pace_moveh (op);	411	pace_moveh (op);
423	break;	412	break;
424		413
425	case (PACEV2):	414	case (PACEV2):
426	pace2_movev (op);	415	pace2_movev (op);
427	break;	416	break;
428		417
429	case (PACEH2):	418	case (PACEH2):
430	pace2_moveh (op);	419	pace2_moveh (op);
431	break;	420	break;
432		421
433	case (RANDO):	422	case (RANDO):
434	rand_move (op);	423	rand_move (op);
435	break;	424	break;
436		425
437	case (RANDO2):	426	case (RANDO2):
438	move_randomly (op);	427	move_randomly (op);
439	break;	428	break;
440	}	429	}
		430
441	return 0;	431	return 0;
442	}	432	}
443	else if (QUERY_FLAG (op, FLAG_RANDOM_MOVE))	433	else if (QUERY_FLAG (op, FLAG_RANDOM_MOVE))
444	(void) move_randomly (op);	434	move_randomly (op);
445
446	} /* stand still */	435	} /* stand still */
		436
447	return 0;	437	return 0;
448	} /* no enemy */	438	} /* no enemy */
449		439
450	/* We have an enemy. Block immediately below is for pets */	440	/* We have an enemy. Block immediately below is for pets */
451	if ((op->attack_movement & HI4) == PETMOVE && (owner = op->owner) != NULL && !on_same_map (op, owner))	441	if ((op->attack_movement & HI4) == PETMOVE
		442	&& (owner = op->owner) != NULL
		443	&& !on_same_map (op, owner)
		444	&& !owner->flag [FLAG_REMOVED])
452	return follow_owner (op, owner);	445	return follow_owner (op, owner);
453		446
454	/* doppleganger code to change monster facing to that of the nearest	447	/* doppleganger code to change monster facing to that of the nearest
455	* player. Hmm. The code is here, but no monster in the current	448	* player. Hmm. The code is here, but no monster in the current
456	* arch set uses it.	449	* arch set uses it.
457	*/	450	*/
458	if ((op->race != NULL) && strcmp (op->race, "doppleganger") == 0)	451	if (op->race && strcmp (op->race, "doppleganger") == 0)
459	{	452	{
460	op->face = enemy->face;	453	op->face = enemy->face;
461	op->name = enemy->name;	454	op->name = enemy->name;
462	}	455	}
463		456
…		…
475	if (!QUERY_FLAG (op, FLAG_SCARED))	468	if (!QUERY_FLAG (op, FLAG_SCARED))
476	{	469	{
477	rv_vector rv1;	470	rv_vector rv1;
478		471
479	/* now we test every part of an object .... this is a real ugly piece of code */	472	/* now we test every part of an object .... this is a real ugly piece of code */
480	for (part = op; part != NULL; part = part->more)	473	for (part = op; part; part = part->more)
481	{	474	{
482	get_rangevector (part, enemy, &rv1, 0x1);	475	get_rangevector (part, enemy, &rv1, 0x1);
483	dir = rv1.direction;	476	dir = rv1.direction;
484		477
485	/* hm, not sure about this part - in original was a scared flag here too	478	/* hm, not sure about this part - in original was a scared flag here too
486	* but that we test above... so can be old code here	479	* but that we test above... so can be old code here
487	*/	480	*/
488	if (QUERY_FLAG (op, FLAG_RUN_AWAY))	481	if (QUERY_FLAG (op, FLAG_RUN_AWAY))
489	dir = absdir (dir + 4);	482	dir = absdir (dir + 4);
		483
490	if (QUERY_FLAG (op, FLAG_CONFUSED))	484	if (QUERY_FLAG (op, FLAG_CONFUSED))
491	dir = absdir (dir + RANDOM () % 3 + RANDOM () % 3 - 2);	485	dir = absdir (dir + rndm (3) + rndm (3) - 2);
492		486
493	if (QUERY_FLAG (op, FLAG_CAST_SPELL) && !(RANDOM () % 3))	487	if (QUERY_FLAG (op, FLAG_CAST_SPELL) && !(rndm (3)))
494	{
495	if (monster_cast_spell (op, part, enemy, dir, &rv1))	488	if (monster_cast_spell (op, part, enemy, dir, &rv1))
496	return 0;	489	return 0;
497	}
498		490
499	if (QUERY_FLAG (op, FLAG_READY_SCROLL) && !(RANDOM () % 3))	491	if (QUERY_FLAG (op, FLAG_READY_SCROLL) && !(rndm (3)))
500	{
501	if (monster_use_scroll (op, part, enemy, dir, &rv1))	492	if (monster_use_scroll (op, part, enemy, dir, &rv1))
502	return 0;	493	return 0;
503	}
504		494
505	if (QUERY_FLAG (op, FLAG_READY_RANGE) && !(RANDOM () % 3))	495	if (QUERY_FLAG (op, FLAG_READY_RANGE) && !(rndm (3)))
506	{
507	if (monster_use_range (op, part, enemy, dir))	496	if (monster_use_range (op, part, enemy, dir))
508	return 0;	497	return 0;
509	}	498
510	if (QUERY_FLAG (op, FLAG_READY_SKILL) && !(RANDOM () % 3))	499	if (QUERY_FLAG (op, FLAG_READY_SKILL) && !(rndm (3)))
511	{
512	if (monster_use_skill (op, rv.part, enemy, rv.direction))	500	if (monster_use_skill (op, rv.part, enemy, rv.direction))
513	return 0;	501	return 0;
514	}	502
515	if (QUERY_FLAG (op, FLAG_READY_BOW) && !(RANDOM () % 2))	503	if (QUERY_FLAG (op, FLAG_READY_BOW) && !(rndm (2)))
516	{
517	if (monster_use_bow (op, part, enemy, dir))	504	if (monster_use_bow (op, part, enemy, dir))
518	return 0;	505	return 0;
519	}
520	} /* for processing of all parts */	506	} /* for processing of all parts */
521	} /* If not scared */	507	} /* If not scared */
522		508
523
524	part = rv.part;	509	part = rv.part;
525	dir = rv.direction;	510	dir = rv.direction;
526		511
		512	#if DEVEL
		513	int sdir = 0;
		514
		515	for (int dir = 1; dir <= 8; ++dir)
		516	{
		517	mapxy pos (op); pos.move (dir);
		518	if (pos.normalise ())
		519	{
		520	mapspace &ms = pos.ms ();
		521
		522	if (ms.smell > op->ms ().smell)
		523	{
		524	printf ("%s: found smell, following it, apparently (%d, %d)\n",& op->name,op->ms().smell,ms.smell);//D
		525	op->ms ().smell = ms.smell - 1;
		526	sdir = dir;
		527
		528	// perturbing the path might let the monster lose track,
		529	// but it will also wide the actual path, spreading information
		530	if (!rndm (20))
		531	sdir += absdir (1 - rndm (2) * 2);
		532	}
		533	}
		534	}
		535
		536	if (sdir)
		537	dir = sdir;
		538	else
		539	// no better smell found, so assume the player jumped, and erase this smell
		540	{if (op->ms ().smell) printf ("erasing smell %d\n", op->ms ().smell);//D
		541	ordered_mapwalk_begin (op, -1, -1, 1, 1)
		542	if (m)
		543	m->at (nx, ny).smell = 0;
		544	ordered_mapwalk_end
		545	}//D
		546
		547	#endif
		548
527	if (QUERY_FLAG (op, FLAG_SCARED) \|\| QUERY_FLAG (op, FLAG_RUN_AWAY))	549	if (QUERY_FLAG (op, FLAG_SCARED) \|\| QUERY_FLAG (op, FLAG_RUN_AWAY))
528	dir = absdir (dir + 4);	550	dir = absdir (dir + 4);
529		551
530	if (QUERY_FLAG (op, FLAG_CONFUSED))	552	if (QUERY_FLAG (op, FLAG_CONFUSED))
531	dir = absdir (dir + RANDOM () % 3 + RANDOM () % 3 - 2);	553	dir = absdir (dir + rndm (3) + rndm (3) - 2);
532		554
533	pre_att_dir = dir; /* remember the original direction */	555	pre_att_dir = dir; /* remember the original direction */
534		556
535	if ((op->attack_movement & LO4) && !QUERY_FLAG (op, FLAG_SCARED))	557	if ((op->attack_movement & LO4) && !QUERY_FLAG (op, FLAG_SCARED))
536	{	558	{
537	switch (op->attack_movement & LO4)	559	switch (op->attack_movement & LO4)
538	{	560	{
539	case DISTATT:	561	case DISTATT:
540	dir = dist_att (dir, op, enemy, part, &rv);	562	dir = dist_att (dir, op, enemy, part, &rv);
541	break;	563	break;
542		564
543	case RUNATT:	565	case RUNATT:
544	dir = run_att (dir, op, enemy, part, &rv);	566	dir = run_att (dir, op, enemy, part, &rv);
545	break;	567	break;
546		568
547	case HITRUN:	569	case HITRUN:
548	dir = hitrun_att (dir, op, enemy);	570	dir = hitrun_att (dir, op, enemy);
549	break;	571	break;
550		572
551	case WAITATT:	573	case WAITATT:
552	dir = wait_att (dir, op, enemy, part, &rv);	574	dir = wait_att (dir, op, enemy, part, &rv);
553	break;	575	break;
554		576
555	case RUSH: /* default - monster normally moves towards player */	577	case RUSH: /* default - monster normally moves towards player */
556	case ALLRUN:	578	case ALLRUN:
557	break;	579	break;
558		580
559	case DISTHIT:	581	case DISTHIT:
560	dir = disthit_att (dir, op, enemy, part, &rv);	582	dir = disthit_att (dir, op, enemy, part, &rv);
561	break;	583	break;
562		584
563	case WAIT2:	585	case WAIT2:
564	dir = wait_att2 (dir, op, enemy, part, &rv);	586	dir = wait_att2 (dir, op, enemy, part, &rv);
565	break;	587	break;
566		588
567	default:	589	default:
568	LOG (llevDebug, "Illegal low mon-move: %d\n", op->attack_movement & LO4);	590	LOG (llevDebug, "Illegal low mon-move: %d\n", op->attack_movement & LO4);
569	}	591	}
570	}	592	}
571		593
572	if (!dir)	594	if (!dir)
573	return 0;	595	return 0;
…		…
583	return 0;	605	return 0;
584	}	606	}
585		607
586	if (QUERY_FLAG (op, FLAG_SCARED) \|\| !can_hit (part, enemy, &rv) \|\| QUERY_FLAG (op, FLAG_RUN_AWAY))	608	if (QUERY_FLAG (op, FLAG_SCARED) \|\| !can_hit (part, enemy, &rv) \|\| QUERY_FLAG (op, FLAG_RUN_AWAY))
587	{	609	{
588
589	/* Try move around corners if !close */	610	/* Try move around corners if !close */
590	int maxdiff = (QUERY_FLAG (op, FLAG_ONLY_ATTACK) \|\| RANDOM () & 1) ? 1 : 2;	611	int maxdiff = (QUERY_FLAG (op, FLAG_ONLY_ATTACK) \|\| rndm (2)) ? 1 : 2;
591		612
592	for (diff = 1; diff <= maxdiff; diff++)	613	for (diff = 1; diff <= maxdiff; diff++)
593	{	614	{
594	/* try different detours */	615	/* try different detours */
595	int m = 1 - (RANDOM () & 2); /* Try left or right first? */	616	int m = 1 - rndm (2) * 2; /* Try left or right first? */
596		617
597	if (move_object (op, absdir (dir + diff * m)) \|\| move_object (op, absdir (dir - diff * m)))	618	if (move_object (op, absdir (dir + diff * m)) \|\| move_object (op, absdir (dir - diff * m)))
598	return 0;	619	return 0;
599	}	620	}
600	}	621	}
…		…
627	{	648	{
628	object *nearest_player = get_nearest_player (op);	649	object *nearest_player = get_nearest_player (op);
629		650
630	if (nearest_player && nearest_player != enemy && !can_hit (part, enemy, &rv))	651	if (nearest_player && nearest_player != enemy && !can_hit (part, enemy, &rv))
631	{	652	{
632	op->enemy = NULL;	653	op->enemy = 0;
633	enemy = nearest_player;	654	enemy = nearest_player;
634	}	655	}
635	}	656	}
636		657
637	if (!QUERY_FLAG (op, FLAG_SCARED) && can_hit (part, enemy, &rv))	658	if (!QUERY_FLAG (op, FLAG_SCARED) && can_hit (part, enemy, &rv))
…		…
643	* still be pretty nasty.	664	* still be pretty nasty.
644	*/	665	*/
645	if (QUERY_FLAG (op, FLAG_RUN_AWAY))	666	if (QUERY_FLAG (op, FLAG_RUN_AWAY))
646	{	667	{
647	part->stats.wc += 10;	668	part->stats.wc += 10;
648	(void) skill_attack (enemy, part, 0, NULL, NULL);	669	skill_attack (enemy, part, 0, NULL, NULL);
649	part->stats.wc -= 10;	670	part->stats.wc -= 10;
650	}	671	}
651	else	672	else
652	(void) skill_attack (enemy, part, 0, NULL, NULL);	673	skill_attack (enemy, part, 0, NULL, NULL);
653	} /* if monster is in attack range */	674	} /* if monster is in attack range */
654		675
655	if (QUERY_FLAG (part, FLAG_FREED)) /* Might be freed by ghost-attack or hit-back */	676	if (QUERY_FLAG (part, FLAG_FREED)) /* Might be freed by ghost-attack or hit-back */
656	return 1;	677	return 1;
657		678
658	if (QUERY_FLAG (op, FLAG_ONLY_ATTACK))	679	if (QUERY_FLAG (op, FLAG_ONLY_ATTACK))
659	{	680	{
660	op->remove ();
661	op->destroy ();	681	op->drop_and_destroy ();
662	return 1;	682	return 1;
663	}	683	}
		684
664	return 0;	685	return 0;
665	}	686	}
666		687
667	int	688	int
668	can_hit (object ob1, object ob2, rv_vector * rv)	689	can_hit (object ob1, object ob2, rv_vector * rv)
669	{	690	{
670	object *more;	691	object *more;
671	rv_vector rv1;	692	rv_vector rv1;
672		693
673	if (QUERY_FLAG (ob1, FLAG_CONFUSED) && !(RANDOM () % 3))	694	if (QUERY_FLAG (ob1, FLAG_CONFUSED) && !(rndm (3)))
674	return 0;	695	return 0;
675		696
676	if (abs (rv->distance_x) < 2 && abs (rv->distance_y) < 2)	697	if (abs (rv->distance_x) < 2 && abs (rv->distance_y) < 2)
677	return 1;	698	return 1;
678		699
…		…
683	{	704	{
684	get_rangevector (ob1, more, &rv1, 0);	705	get_rangevector (ob1, more, &rv1, 0);
685	if (abs (rv1.distance_x) < 2 && abs (rv1.distance_y) < 2)	706	if (abs (rv1.distance_x) < 2 && abs (rv1.distance_y) < 2)
686	return 1;	707	return 1;
687	}	708	}
		709
688	return 0;	710	return 0;
689
690	}	711	}
691		712
692	/* Returns 1 is monster should cast spell sp at an enemy	713	/* Returns 1 is monster should cast spell sp at an enemy
693	* Returns 0 if the monster should not cast this spell.	714	* Returns 0 if the monster should not cast this spell.
694	*	715	*
…		…
712	spell_ob->subtype == SP_EXPLOSION \|\| spell_ob->subtype == SP_CONE \|\|	733	spell_ob->subtype == SP_EXPLOSION \|\| spell_ob->subtype == SP_CONE \|\|
713	spell_ob->subtype == SP_BOMB \|\| spell_ob->subtype == SP_SMITE \|\|	734	spell_ob->subtype == SP_BOMB \|\| spell_ob->subtype == SP_SMITE \|\|
714	spell_ob->subtype == SP_MAGIC_MISSILE \|\| spell_ob->subtype == SP_SUMMON_GOLEM \|\|	735	spell_ob->subtype == SP_MAGIC_MISSILE \|\| spell_ob->subtype == SP_SUMMON_GOLEM \|\|
715	spell_ob->subtype == SP_MAGIC_WALL \|\| spell_ob->subtype == SP_SUMMON_MONSTER \|\|	736	spell_ob->subtype == SP_MAGIC_WALL \|\| spell_ob->subtype == SP_SUMMON_MONSTER \|\|
716	spell_ob->subtype == SP_MOVING_BALL \|\| spell_ob->subtype == SP_SWARM \|\| spell_ob->subtype == SP_INVISIBLE)	737	spell_ob->subtype == SP_MOVING_BALL \|\| spell_ob->subtype == SP_SWARM \|\| spell_ob->subtype == SP_INVISIBLE)
717
718	return 1;	738	return 1;
719		739
720	return 0;	740	return 0;
721	}	741	}
722
723		742
724	#define MAX_KNOWN_SPELLS 20	743	#define MAX_KNOWN_SPELLS 20
725		744
726	/* Returns a randomly selected spell. This logic is still	745	/* Returns a randomly selected spell. This logic is still
727	* less than ideal. This code also only seems to deal with	746	* less than ideal. This code also only seems to deal with
…		…
730	*/	749	*/
731	object *	750	object *
732	monster_choose_random_spell (object *monster)	751	monster_choose_random_spell (object *monster)
733	{	752	{
734	object *altern[MAX_KNOWN_SPELLS];	753	object *altern[MAX_KNOWN_SPELLS];
735	object *tmp;
736	int i = 0;	754	int i = 0;
737		755
738	for (tmp = monster->inv; tmp != NULL; tmp = tmp->below)	756	for (object *tmp = monster->inv; tmp; tmp = tmp->below)
739	if (tmp->type == SPELLBOOK \|\| tmp->type == SPELL)	757	if (tmp->type == SPELLBOOK \|\| tmp->type == SPELL)
740	{	758	{
741	/* Check and see if it's actually a useful spell.	759	/* Check and see if it's actually a useful spell.
742	* If its a spellbook, the spell is actually the inventory item.	760	* If its a spellbook, the spell is actually the inventory item.
743	* if it is a spell, then it is just the object itself.	761	* if it is a spell, then it is just the object itself.
744	*/	762	*/
745	if (monster_should_cast_spell (monster, (tmp->type == SPELLBOOK) ? tmp->inv : tmp))	763	if (monster_should_cast_spell (monster, (tmp->type == SPELLBOOK) ? tmp->inv : tmp))
746	{	764	{
747	altern[i++] = tmp;	765	altern [i++] = tmp;
		766
748	if (i == MAX_KNOWN_SPELLS)	767	if (i == MAX_KNOWN_SPELLS)
749	break;	768	break;
750	}	769	}
751	}	770	}
752	if (!i)	771
753	return NULL;	772	return i ? altern [rndm (i)] : 0;
754	return altern[RANDOM () % i];
755	}	773	}
756		774
757	/* This checks to see if the monster should cast a spell/ability.	775	/* This checks to see if the monster should cast a spell/ability.
758	* it returns true if the monster casts a spell, 0 if he doesn't.	776	* it returns true if the monster casts a spell, 0 if he doesn't.
759	* head is the head of the monster.	777	* head is the head of the monster.
760	* part is the part of the monster we are checking against.	778	* part is the part of the monster we are checking against.
761	* pl is the target.	779	* pl is the target.
762	* dir is the direction to case.	780	* dir is the direction to case.
763	* rv is the vector which describes where the enemy is.	781	* rv is the vector which describes where the enemy is.
764	*/	782	*/
765
766	int	783	int
767	monster_cast_spell (object head, object part, object pl, int dir, rv_vector rv)	784	monster_cast_spell (object head, object part, object pl, int dir, rv_vector rv)
768	{	785	{
769	object *spell_item;	786	object *spell_item;
770	object *owner;	787	object *owner;
…		…
781		798
782	if (QUERY_FLAG (head, FLAG_FRIENDLY) && (owner = head->owner) != NULL)	799	if (QUERY_FLAG (head, FLAG_FRIENDLY) && (owner = head->owner) != NULL)
783	{	800	{
784	get_rangevector (head, owner, &rv1, 0x1);	801	get_rangevector (head, owner, &rv1, 0x1);
785	if (dirdiff (dir, rv1.direction) < 2)	802	if (dirdiff (dir, rv1.direction) < 2)
786	{
787	return 0; /* Might hit owner with spell */	803	return 0; /* Might hit owner with spell */
788	}
789	}	804	}
790		805
791	if (QUERY_FLAG (head, FLAG_CONFUSED))	806	if (QUERY_FLAG (head, FLAG_CONFUSED))
792	dir = absdir (dir + RANDOM () % 3 + RANDOM () % 3 - 2);	807	dir = absdir (dir + rndm (3) + rndm (3) - 2);
793		808
794	/* If the monster hasn't already chosen a spell, choose one	809	/* If the monster hasn't already chosen a spell, choose one
795	* I'm not sure if it really make sense to pre-select spells (events	810	* I'm not sure if it really make sense to pre-select spells (events
796	* could be different by the time the monster goes again).	811	* could be different by the time the monster goes again).
797	*/	812	*/
…		…
801	{	816	{
802	LOG (llevMonster, "Turned off spells in %s\n", &head->name);	817	LOG (llevMonster, "Turned off spells in %s\n", &head->name);
803	CLEAR_FLAG (head, FLAG_CAST_SPELL); /* Will be turned on when picking up book */	818	CLEAR_FLAG (head, FLAG_CAST_SPELL); /* Will be turned on when picking up book */
804	return 0;	819	return 0;
805	}	820	}
		821
806	if (spell_item->type == SPELLBOOK)	822	if (spell_item->type == SPELLBOOK)
807	{	823	{
808	if (!spell_item->inv)	824	if (!spell_item->inv)
809	{	825	{
810	LOG (llevError, "spellbook %s does not contain a spell?\n", &spell_item->name);	826	LOG (llevError, "spellbook %s does not contain a spell?\n", &spell_item->name);
811	return 0;	827	return 0;
812	}	828	}
		829
813	spell_item = spell_item->inv;	830	spell_item = spell_item->inv;
814	}	831	}
815	}	832	}
816	else	833	else
817	spell_item = head->spellitem;	834	spell_item = head->spellitem;
…		…
836	/* set this to null, so next time monster will choose something different */	853	/* set this to null, so next time monster will choose something different */
837	head->spellitem = NULL;	854	head->spellitem = NULL;
838		855
839	return cast_spell (part, part, dir, spell_item, NULL);	856	return cast_spell (part, part, dir, spell_item, NULL);
840	}	857	}
841
842		858
843	int	859	int
844	monster_use_scroll (object head, object part, object pl, int dir, rv_vector rv)	860	monster_use_scroll (object head, object part, object pl, int dir, rv_vector rv)
845	{	861	{
846	object *scroll;	862	object *scroll;
…		…
864	return 0; /* Might hit owner with spell */	880	return 0; /* Might hit owner with spell */
865	}	881	}
866	}	882	}
867		883
868	if (QUERY_FLAG (head, FLAG_CONFUSED))	884	if (QUERY_FLAG (head, FLAG_CONFUSED))
869	dir = absdir (dir + RANDOM () % 3 + RANDOM () % 3 - 2);	885	dir = absdir (dir + rndm (3) + rndm (3) - 2);
870		886
871	for (scroll = head->inv; scroll; scroll = scroll->below)	887	for (scroll = head->inv; scroll; scroll = scroll->below)
872	if (scroll->type == SCROLL && monster_should_cast_spell (head, scroll->inv))	888	if (scroll->type == SCROLL && monster_should_cast_spell (head, scroll->inv))
873	break;	889	break;
874		890
…		…
896	* The skills we are treating here are all but those. -b.t.	912	* The skills we are treating here are all but those. -b.t.
897	*	913	*
898	* At the moment this is only useful for throwing, perhaps for	914	* At the moment this is only useful for throwing, perhaps for
899	* stealing. TODO: This should be more integrated in the game. -MT, 25.11.01	915	* stealing. TODO: This should be more integrated in the game. -MT, 25.11.01
900	*/	916	*/
901
902	int	917	int
903	monster_use_skill (object head, object part, object *pl, int dir)	918	monster_use_skill (object head, object part, object *pl, int dir)
904	{	919	{
905	object skill, owner;	920	object skill, owner;
906		921
…		…
912	int dir2 = find_dir_2 (head->x - owner->x, head->y - owner->y);	927	int dir2 = find_dir_2 (head->x - owner->x, head->y - owner->y);
913		928
914	if (dirdiff (dir, dir2) < 1)	929	if (dirdiff (dir, dir2) < 1)
915	return 0; /* Might hit owner with skill -thrown rocks for example ? */	930	return 0; /* Might hit owner with skill -thrown rocks for example ? */
916	}	931	}
		932
917	if (QUERY_FLAG (head, FLAG_CONFUSED))	933	if (QUERY_FLAG (head, FLAG_CONFUSED))
918	dir = absdir (dir + RANDOM () % 3 + RANDOM () % 3 - 2);	934	dir = absdir (dir + rndm (3) + rndm (3) - 2);
919		935
920	/* skill selection - monster will use the next unused skill.	936	/* skill selection - monster will use the next unused skill.
921	* well...the following scenario will allow the monster to	937	* well...the following scenario will allow the monster to
922	* toggle between 2 skills. One day it would be nice to make	938	* toggle between 2 skills. One day it would be nice to make
923	* more skills available to monsters.	939	* more skills available to monsters.
924	*/	940	*/
925
926	for (skill = head->inv; skill != NULL; skill = skill->below)	941	for (skill = head->inv; skill; skill = skill->below)
927	if (skill->type == SKILL && skill != head->chosen_skill)	942	if (skill->type == SKILL && skill != head->chosen_skill)
928	{	943	{
929	head->chosen_skill = skill;	944	head->chosen_skill = skill;
930	break;	945	break;
931	}	946	}
…		…
934	{	949	{
935	LOG (llevDebug, "Error: Monster %s (%d) has FLAG_READY_SKILL without skill.\n", &head->name, head->count);	950	LOG (llevDebug, "Error: Monster %s (%d) has FLAG_READY_SKILL without skill.\n", &head->name, head->count);
936	CLEAR_FLAG (head, FLAG_READY_SKILL);	951	CLEAR_FLAG (head, FLAG_READY_SKILL);
937	return 0;	952	return 0;
938	}	953	}
		954
939	/* use skill */	955	/* use skill */
940	return do_skill (head, part, head->chosen_skill, dir, NULL);	956	return do_skill (head, part, head->chosen_skill, dir, NULL);
941	}	957	}
942		958
943	/* Monster will use a ranged spell attack. */	959	/* Monster will use a ranged spell attack. */
944
945	int	960	int
946	monster_use_range (object head, object part, object *pl, int dir)	961	monster_use_range (object head, object part, object *pl, int dir)
947	{	962	{
948	object wand, owner;	963	object wand, owner;
949	int at_least_one = 0;	964	int at_least_one = 0;
…		…
956	int dir2 = find_dir_2 (head->x - owner->x, head->y - owner->y);	971	int dir2 = find_dir_2 (head->x - owner->x, head->y - owner->y);
957		972
958	if (dirdiff (dir, dir2) < 2)	973	if (dirdiff (dir, dir2) < 2)
959	return 0; /* Might hit owner with spell */	974	return 0; /* Might hit owner with spell */
960	}	975	}
		976
961	if (QUERY_FLAG (head, FLAG_CONFUSED))	977	if (QUERY_FLAG (head, FLAG_CONFUSED))
962	dir = absdir (dir + RANDOM () % 3 + RANDOM () % 3 - 2);	978	dir = absdir (dir + rndm (3) + rndm (3) - 2);
963		979
964	for (wand = head->inv; wand != NULL; wand = wand->below)	980	for (wand = head->inv; wand; wand = wand->below)
965	{	981	{
966	if (wand->type == WAND)	982	if (wand->type == WAND)
967	{	983	{
968	/* Found a wand, let's see if it has charges left */	984	/* Found a wand, let's see if it has charges left */
969	at_least_one = 1;	985	at_least_one = 1;
…		…
975	if (!(--wand->stats.food))	991	if (!(--wand->stats.food))
976	{	992	{
977	if (wand->arch)	993	if (wand->arch)
978	{	994	{
979	CLEAR_FLAG (wand, FLAG_ANIMATE);	995	CLEAR_FLAG (wand, FLAG_ANIMATE);
980	wand->face = wand->arch->clone.face;	996	wand->face = wand->arch->face;
981	wand->set_speed (0);	997	wand->set_speed (0);
982	}	998	}
983	}	999	}
984	/* Success */	1000	/* Success */
985	return 1;	1001	return 1;
…		…
1004	}	1020	}
1005		1021
1006	if (at_least_one)	1022	if (at_least_one)
1007	return 0;	1023	return 0;
1008		1024
1009	LOG (llevError, "Error: Monster %s (%d) HAS_READY_RANG() without wand/horn/rod.\n", &head->name, head->count);	1025	LOG (llevError, "Error: Monster %s (%d) HAS_READY_RANGE() without wand/horn/rod.\n", &head->name, head->count);
1010	CLEAR_FLAG (head, FLAG_READY_RANGE);	1026	CLEAR_FLAG (head, FLAG_READY_RANGE);
1011	return 0;	1027	return 0;
1012	}	1028	}
1013		1029
1014	int	1030	int
…		…
1016	{	1032	{
1017	object *owner;	1033	object *owner;
1018		1034
1019	if (!(dir = path_to_player (part, pl, 0)))	1035	if (!(dir = path_to_player (part, pl, 0)))
1020	return 0;	1036	return 0;
		1037
1021	if (QUERY_FLAG (head, FLAG_CONFUSED))	1038	if (QUERY_FLAG (head, FLAG_CONFUSED))
1022	dir = absdir (dir + RANDOM () % 3 + RANDOM () % 3 - 2);	1039	dir = absdir (dir + rndm (3) + rndm (3) - 2);
1023		1040
1024	if (QUERY_FLAG (head, FLAG_FRIENDLY) && (owner = head->owner) != NULL)	1041	if (QUERY_FLAG (head, FLAG_FRIENDLY) && (owner = head->owner) != NULL)
1025	{	1042	{
1026	int dir2 = find_dir_2 (head->x - owner->x, head->y - owner->y);	1043	int dir2 = find_dir_2 (head->x - owner->x, head->y - owner->y);
1027		1044
…		…
1033	return fire_bow (head, part, NULL, dir, 0, part->x, part->y);	1050	return fire_bow (head, part, NULL, dir, 0, part->x, part->y);
1034		1051
1035	}	1052	}
1036		1053
1037	/* Checks if putting on 'item' will make 'who' do more	1054	/* Checks if putting on 'item' will make 'who' do more
1038	* damage. This is a very simplistic check - also checking things	1055	* damage. This is a very simplistic check - also checking things
1039	* like speed and ac are also relevant.	1056	* like speed and ac are also relevant.
1040	*	1057	*
1041	* return true if item is a better object.	1058	* return true if item is a better object.
1042	*/	1059	*/
1043
1044	int	1060	int
1045	check_good_weapon (object who, object item)	1061	check_good_weapon (object who, object item)
1046	{	1062	{
1047	object *other_weap;	1063	object *other_weap;
1048	int val = 0, i;	1064	int val = 0, i;
1049		1065
1050	for (other_weap = who->inv; other_weap != NULL; other_weap = other_weap->below)	1066	for (other_weap = who->inv; other_weap; other_weap = other_weap->below)
1051	if (other_weap->type == item->type && QUERY_FLAG (other_weap, FLAG_APPLIED))	1067	if (other_weap->type == item->type && QUERY_FLAG (other_weap, FLAG_APPLIED))
1052	break;	1068	break;
1053		1069
1054	if (other_weap == NULL) /* No other weapons */	1070	if (!other_weap) /* No other weapons */
1055	return 1;	1071	return 1;
1056		1072
1057	/* Rather than go through and apply the new one, and see if it is	1073	/* Rather than go through and apply the new one, and see if it is
1058	* better, just do some simple checks	1074	* better, just do some simple checks
1059	* Put some multipliers for things that hvae several effects,	1075	* Put some multipliers for things that hvae several effects,
…		…
1064	val += (item->magic - other_weap->magic) * 3;	1080	val += (item->magic - other_weap->magic) * 3;
1065	/* Monsters don't really get benefits from things like regen rates	1081	/* Monsters don't really get benefits from things like regen rates
1066	* from items. But the bonus for their stats are very important.	1082	* from items. But the bonus for their stats are very important.
1067	*/	1083	*/
1068	for (i = 0; i < NUM_STATS; i++)	1084	for (i = 0; i < NUM_STATS; i++)
1069	val += (get_attr_value (&item->stats, i) - get_attr_value (&other_weap->stats, i)) * 2;	1085	val += item->stats.stat (i) - other_weap->stats.stat (i) * 2;
1070		1086
1071	if (val > 0)	1087	if (val > 0)
1072	return 1;	1088	return 1;
1073	else	1089	else
1074	return 0;	1090	return 0;
1075
1076	}	1091	}
1077		1092
1078	int	1093	int
1079	check_good_armour (object who, object item)	1094	check_good_armour (object who, object item)
1080	{	1095	{
1081	object *other_armour;	1096	object *other_armour;
1082	int val = 0, i;	1097	int val = 0, i;
1083		1098
1084	for (other_armour = who->inv; other_armour != NULL; other_armour = other_armour->below)	1099	for (other_armour = who->inv; other_armour; other_armour = other_armour->below)
1085	if (other_armour->type == item->type && QUERY_FLAG (other_armour, FLAG_APPLIED))	1100	if (other_armour->type == item->type && QUERY_FLAG (other_armour, FLAG_APPLIED))
1086	break;	1101	break;
1087		1102
1088	if (other_armour == NULL) /* No other armour, use the new */	1103	if (other_armour == NULL) /* No other armour, use the new */
1089	return 1;	1104	return 1;
…		…
1111		1126
1112	if (val > 0)	1127	if (val > 0)
1113	return 1;	1128	return 1;
1114	else	1129	else
1115	return 0;	1130	return 0;
1116
1117	}	1131	}
1118		1132
1119	/*	1133	/*
1120	* monster_check_pickup(): checks for items that monster can pick up.	1134	* monster_check_pickup(): checks for items that monster can pick up.
1121	*	1135	*
…		…
1129	* This function was seen be continueing looping at one point (tmp->below	1143	* This function was seen be continueing looping at one point (tmp->below
1130	* became a recursive loop. It may be better to call monster_check_apply	1144	* became a recursive loop. It may be better to call monster_check_apply
1131	* after we pick everything up, since that function may call others which	1145	* after we pick everything up, since that function may call others which
1132	* affect stacking on this space.	1146	* affect stacking on this space.
1133	*/	1147	*/
1134
1135	void	1148	void
1136	monster_check_pickup (object *monster)	1149	monster_check_pickup (object *monster)
1137	{	1150	{
1138	object tmp, next;	1151	object tmp, next;
1139		1152
…		…
1158	* monster_can_pick(): If the monster is interested in picking up	1171	* monster_can_pick(): If the monster is interested in picking up
1159	* the item, then return 0. Otherwise 0.	1172	* the item, then return 0. Otherwise 0.
1160	* Instead of pick_up, flags for "greed", etc, should be used.	1173	* Instead of pick_up, flags for "greed", etc, should be used.
1161	* I've already utilized flags for bows, wands, rings, etc, etc. -Frank.	1174	* I've already utilized flags for bows, wands, rings, etc, etc. -Frank.
1162	*/	1175	*/
1163
1164	int	1176	int
1165	monster_can_pick (object monster, object item)	1177	monster_can_pick (object monster, object item)
1166	{	1178	{
1167	int flag = 0;	1179	int flag = 0;
1168	int i;	1180	int i;
…		…
1214	case ROD:	1226	case ROD:
1215	flag = QUERY_FLAG (monster, FLAG_USE_RANGE);	1227	flag = QUERY_FLAG (monster, FLAG_USE_RANGE);
1216	break;	1228	break;
1217		1229
1218	case SPELLBOOK:	1230	case SPELLBOOK:
1219	flag = (monster->arch != NULL && QUERY_FLAG ((&monster->arch->clone), FLAG_CAST_SPELL));	1231	flag = monster->arch && QUERY_FLAG (monster->arch, FLAG_CAST_SPELL);
1220	break;	1232	break;
1221		1233
1222	case SCROLL:	1234	case SCROLL:
1223	flag = QUERY_FLAG (monster, FLAG_USE_SCROLL);	1235	flag = QUERY_FLAG (monster, FLAG_USE_SCROLL);
1224	break;	1236	break;
…		…
1226	case BOW:	1238	case BOW:
1227	case ARROW:	1239	case ARROW:
1228	flag = QUERY_FLAG (monster, FLAG_USE_BOW);	1240	flag = QUERY_FLAG (monster, FLAG_USE_BOW);
1229	break;	1241	break;
1230	}	1242	}
		1243
1231	/* Simplistic check - if the monster has a location to equip it, he will	1244	/* Simplistic check - if the monster has a location to equip it, he will
1232	* pick it up. Note that this doesn't handle cases where an item may	1245	* pick it up. Note that this doesn't handle cases where an item may
1233	* use several locations.	1246	* use several locations.
1234	*/	1247	*/
1235	for (i = 0; i < NUM_BODY_LOCATIONS; i++)	1248	for (i = 0; i < NUM_BODY_LOCATIONS; i++)
1236	{	1249	{
1237	if (monster->body_info[i] && item->body_info[i])	1250	if (monster->slot[i].info && item->slot[i].info)
1238	{	1251	{
1239	flag = 1;	1252	flag = 1;
1240	break;	1253	break;
1241	}	1254	}
1242	}	1255	}
1243		1256
1244	if (((!(monster->pick_up & 32)) && flag) \|\| ((monster->pick_up & 32) && (!flag)))	1257	if (((!(monster->pick_up & 32)) && flag) \|\| ((monster->pick_up & 32) && (!flag)))
1245	return 1;	1258	return 1;
		1259
1246	return 0;	1260	return 0;
1247	}	1261	}
1248		1262
1249	/*	1263	/*
1250	* monster_apply_below():	1264	* monster_apply_below():
1251	* Vick's (vick@bern.docs.uu.se) @921107 -> If a monster who's	1265	* Vick's (vick@bern.docs.uu.se) @921107 -> If a monster who's
1252	* eager to apply things, encounters something apply-able,	1266	* eager to apply things, encounters something apply-able,
1253	* then make him apply it	1267	* then make him apply it
1254	*/	1268	*/
1255
1256	void	1269	void
1257	monster_apply_below (object *monster)	1270	monster_apply_below (object *monster)
1258	{	1271	{
1259	object tmp, next;	1272	object tmp, next;
1260		1273
…		…
1287	* a pointer to that object is returned, so it can be dropped.	1300	* a pointer to that object is returned, so it can be dropped.
1288	* (so that other monsters can pick it up and use it)	1301	* (so that other monsters can pick it up and use it)
1289	* Note that as things are now, monsters never drop something -	1302	* Note that as things are now, monsters never drop something -
1290	* they can pick up all that they can use.	1303	* they can pick up all that they can use.
1291	*/	1304	*/
1292
1293	/* Sept 96, fixed this so skills will be readied -b.t.*/	1305	/* Sept 96, fixed this so skills will be readied -b.t.*/
1294
1295	void	1306	void
1296	monster_check_apply (object mon, object item)	1307	monster_check_apply (object mon, object item)
1297	{	1308	{
1298
1299	int flag = 0;	1309	int flag = 0;
1300		1310
1301	if (item->type == SPELLBOOK && mon->arch != NULL && (QUERY_FLAG ((&mon->arch->clone), FLAG_CAST_SPELL)))	1311	if (item->type == SPELLBOOK && mon->arch && (QUERY_FLAG (mon->arch, FLAG_CAST_SPELL)))
1302	{	1312	{
1303	SET_FLAG (mon, FLAG_CAST_SPELL);	1313	SET_FLAG (mon, FLAG_CAST_SPELL);
1304	return;	1314	return;
1305	}	1315	}
1306		1316
…		…
1315	if (QUERY_FLAG (mon, FLAG_USE_BOW) && item->type == ARROW)	1325	if (QUERY_FLAG (mon, FLAG_USE_BOW) && item->type == ARROW)
1316	{	1326	{
1317	/* Check for the right kind of bow */	1327	/* Check for the right kind of bow */
1318	object *bow;	1328	object *bow;
1319		1329
1320	for (bow = mon->inv; bow != NULL; bow = bow->below)	1330	for (bow = mon->inv; bow; bow = bow->below)
1321	if (bow->type == BOW && bow->race == item->race)	1331	if (bow->type == BOW && bow->race == item->race)
1322	{	1332	{
1323	SET_FLAG (mon, FLAG_READY_BOW);	1333	SET_FLAG (mon, FLAG_READY_BOW);
1324	LOG (llevMonster, "Found correct bow for arrows.\n");	1334	LOG (llevMonster, "Found correct bow for arrows.\n");
1325	return; /* nothing more to do for arrows */	1335	return; /* nothing more to do for arrows */
…		…
1377	*/	1387	*/
1378	SET_FLAG (mon, FLAG_READY_SKILL);	1388	SET_FLAG (mon, FLAG_READY_SKILL);
1379	return;	1389	return;
1380	}	1390	}
1381		1391
1382
1383	/* if we don't match one of the above types, return now.	1392	/* if we don't match one of the above types, return now.
1384	* can_apply_object will say that we can apply things like flesh,	1393	* can_apply_object will say that we can apply things like flesh,
1385	* bolts, and whatever else, because it only checks against the	1394	* bolts, and whatever else, because it only checks against the
1386	* body_info locations.	1395	* body_info locations.
1387	*/	1396	*/
…		…
1398	/* should only be applying this item, not unapplying it.	1407	/* should only be applying this item, not unapplying it.
1399	* also, ignore status of curse so they can take off old armour.	1408	* also, ignore status of curse so they can take off old armour.
1400	* monsters have some advantages after all.	1409	* monsters have some advantages after all.
1401	*/	1410	*/
1402	manual_apply (mon, item, AP_APPLY \| AP_IGNORE_CURSE);	1411	manual_apply (mon, item, AP_APPLY \| AP_IGNORE_CURSE);
1403
1404	return;
1405	}	1412	}
1406		1413
1407	void	1414	void
1408	npc_call_help (object *op)	1415	npc_call_help (object *op)
1409	{	1416	{
…		…
1427	if (QUERY_FLAG (npc, FLAG_ALIVE) && QUERY_FLAG (npc, FLAG_UNAGGRESSIVE))	1434	if (QUERY_FLAG (npc, FLAG_ALIVE) && QUERY_FLAG (npc, FLAG_UNAGGRESSIVE))
1428	npc->enemy = op->enemy;	1435	npc->enemy = op->enemy;
1429	}	1436	}
1430	}	1437	}
1431		1438
1432
1433	int	1439	int
1434	dist_att (int dir, object ob, object enemy, object part, rv_vector rv)	1440	dist_att (int dir, object ob, object enemy, object part, rv_vector rv)
1435	{	1441	{
1436
1437	if (can_hit (part, enemy, rv))	1442	if (can_hit (part, enemy, rv))
1438	return dir;	1443	return dir;
		1444
1439	if (rv->distance < 10)	1445	if (rv->distance < 10)
1440	return absdir (dir + 4);	1446	return absdir (dir + 4);
1441	else if (rv->distance > 18)	1447	else if (rv->distance > 18)
1442	return dir;	1448	return dir;
		1449
1443	return 0;	1450	return 0;
1444	}	1451	}
1445		1452
1446	int	1453	int
1447	run_att (int dir, object ob, object enemy, object part, rv_vector rv)	1454	run_att (int dir, object ob, object enemy, object part, rv_vector rv)
1448	{	1455	{
1449
1450	if ((can_hit (part, enemy, rv) && ob->move_status < 20) \|\| ob->move_status < 20)	1456	if ((can_hit (part, enemy, rv) && ob->move_status < 20) \|\| ob->move_status < 20)
1451	{	1457	{
1452	ob->move_status++;	1458	ob->move_status++;
1453	return (dir);	1459	return (dir);
1454	}	1460	}
1455	else if (ob->move_status > 20)	1461	else if (ob->move_status > 20)
1456	ob->move_status = 0;	1462	ob->move_status = 0;
		1463
1457	return absdir (dir + 4);	1464	return absdir (dir + 4);
1458	}	1465	}
1459		1466
1460	int	1467	int
1461	hitrun_att (int dir, object ob, object enemy)	1468	hitrun_att (int dir, object ob, object enemy)
…		…
1464	return dir;	1471	return dir;
1465	else if (ob->move_status < 50)	1472	else if (ob->move_status < 50)
1466	return absdir (dir + 4);	1473	return absdir (dir + 4);
1467	else	1474	else
1468	ob->move_status = 0;	1475	ob->move_status = 0;
		1476
1469	return absdir (dir + 4);	1477	return absdir (dir + 4);
1470	}	1478	}
1471		1479
1472	int	1480	int
1473	wait_att (int dir, object ob, object enemy, object part, rv_vector rv)	1481	wait_att (int dir, object ob, object enemy, object part, rv_vector rv)
…		…
1482	return 0;	1490	return 0;
1483	else if (ob->move_status < 10)	1491	else if (ob->move_status < 10)
1484	return dir;	1492	return dir;
1485	else if (ob->move_status < 15)	1493	else if (ob->move_status < 15)
1486	return absdir (dir + 4);	1494	return absdir (dir + 4);
		1495
1487	ob->move_status = 0;	1496	ob->move_status = 0;
1488	return 0;	1497	return 0;
1489	}	1498	}
1490		1499
1491	int	1500	int
…		…
1499	* at least one map has this set, and whatever the map contains, the	1508	* at least one map has this set, and whatever the map contains, the
1500	* server should try to be resilant enough to avoid the problem	1509	* server should try to be resilant enough to avoid the problem
1501	*/	1510	*/
1502	if (ob->stats.maxhp && (ob->stats.hp * 100) / ob->stats.maxhp < ob->run_away)	1511	if (ob->stats.maxhp && (ob->stats.hp * 100) / ob->stats.maxhp < ob->run_away)
1503	return absdir (dir + 4);	1512	return absdir (dir + 4);
		1513
1504	return dist_att (dir, ob, enemy, part, rv);	1514	return dist_att (dir, ob, enemy, part, rv);
1505	}	1515	}
1506		1516
1507	int	1517	int
1508	wait_att2 (int dir, object ob, object enemy, object part, rv_vector rv)	1518	wait_att2 (int dir, object ob, object enemy, object part, rv_vector rv)
1509	{	1519	{
1510	if (rv->distance < 9)	1520	if (rv->distance < 9)
1511	return absdir (dir + 4);	1521	return absdir (dir + 4);
		1522
1512	return 0;	1523	return 0;
1513	}	1524	}
1514		1525
1515	void	1526	void
1516	circ1_move (object *ob)	1527	circ1_move (object *ob)
1517	{	1528	{
1518	static int circle[12] = { 3, 3, 4, 5, 5, 6, 7, 7, 8, 1, 1, 2 };	1529	static int circle[12] = { 3, 3, 4, 5, 5, 6, 7, 7, 8, 1, 1, 2 };
		1530
1519	if (++ob->move_status > 11)	1531	if (++ob->move_status > 11)
1520	ob->move_status = 0;	1532	ob->move_status = 0;
		1533
1521	if (!(move_object (ob, circle[ob->move_status])))	1534	if (!(move_object (ob, circle[ob->move_status])))
1522	(void) move_object (ob, RANDOM () % 8 + 1);	1535	move_object (ob, rndm (8) + 1);
1523	}	1536	}
1524		1537
1525	void	1538	void
1526	circ2_move (object *ob)	1539	circ2_move (object *ob)
1527	{	1540	{
1528	static int circle[20] = { 3, 3, 3, 4, 4, 5, 5, 5, 6, 6, 7, 7, 7, 8, 8, 1, 1, 1, 2, 2 };	1541	static int circle[20] = { 3, 3, 3, 4, 4, 5, 5, 5, 6, 6, 7, 7, 7, 8, 8, 1, 1, 1, 2, 2 };
		1542
1529	if (++ob->move_status > 19)	1543	if (++ob->move_status > 19)
1530	ob->move_status = 0;	1544	ob->move_status = 0;
		1545
1531	if (!(move_object (ob, circle[ob->move_status])))	1546	if (!(move_object (ob, circle[ob->move_status])))
1532	(void) move_object (ob, RANDOM () % 8 + 1);	1547	move_object (ob, rndm (8) + 1);
1533	}	1548	}
1534		1549
1535	void	1550	void
1536	pace_movev (object *ob)	1551	pace_movev (object *ob)
1537	{	1552	{
1538	if (ob->move_status++ > 6)	1553	if (ob->move_status++ > 6)
1539	ob->move_status = 0;	1554	ob->move_status = 0;
		1555
1540	if (ob->move_status < 4)	1556	if (ob->move_status < 4)
1541	(void) move_object (ob, 5);	1557	move_object (ob, 5);
1542	else	1558	else
1543	(void) move_object (ob, 1);	1559	move_object (ob, 1);
1544	}	1560	}
1545		1561
1546	void	1562	void
1547	pace_moveh (object *ob)	1563	pace_moveh (object *ob)
1548	{	1564	{
1549	if (ob->move_status++ > 6)	1565	if (ob->move_status++ > 6)
1550	ob->move_status = 0;	1566	ob->move_status = 0;
		1567
1551	if (ob->move_status < 4)	1568	if (ob->move_status < 4)
1552	(void) move_object (ob, 3);	1569	move_object (ob, 3);
1553	else	1570	else
1554	(void) move_object (ob, 7);	1571	move_object (ob, 7);
1555	}	1572	}
1556		1573
1557	void	1574	void
1558	pace2_movev (object *ob)	1575	pace2_movev (object *ob)
1559	{	1576	{
1560	if (ob->move_status++ > 16)	1577	if (ob->move_status++ > 16)
1561	ob->move_status = 0;	1578	ob->move_status = 0;
		1579
1562	if (ob->move_status < 6)	1580	if (ob->move_status < 6)
1563	(void) move_object (ob, 5);	1581	move_object (ob, 5);
1564	else if (ob->move_status < 8)	1582	else if (ob->move_status < 8)
1565	return;	1583	return;
1566	else if (ob->move_status < 13)	1584	else if (ob->move_status < 13)
1567	(void) move_object (ob, 1);	1585	move_object (ob, 1);
1568	else	1586	else
1569	return;	1587	return;
1570	}	1588	}
1571		1589
1572	void	1590	void
1573	pace2_moveh (object *ob)	1591	pace2_moveh (object *ob)
1574	{	1592	{
1575	if (ob->move_status++ > 16)	1593	if (ob->move_status++ > 16)
1576	ob->move_status = 0;	1594	ob->move_status = 0;
		1595
1577	if (ob->move_status < 6)	1596	if (ob->move_status < 6)
1578	(void) move_object (ob, 3);	1597	move_object (ob, 3);
1579	else if (ob->move_status < 8)	1598	else if (ob->move_status < 8)
1580	return;	1599	return;
1581	else if (ob->move_status < 13)	1600	else if (ob->move_status < 13)
1582	(void) move_object (ob, 7);	1601	move_object (ob, 7);
1583	else	1602	else
1584	return;	1603	return;
1585	}	1604	}
1586		1605
1587	void	1606	void
1588	rand_move (object *ob)	1607	rand_move (object *ob)
1589	{	1608	{
1590	int i;
1591
1592	if (ob->move_status < 1 \|\| ob->move_status > 8 \|\| !(move_object (ob, ob->move_status \|\| !(RANDOM () % 9))))	1609	if (ob->move_status < 1 \|\| ob->move_status > 8 \|\| !(move_object (ob, ob->move_status \|\| !(rndm (9)))))
1593	for (i = 0; i < 5; i++)	1610	for (int i = 0; i < 5; i++)
1594	if (move_object (ob, ob->move_status = RANDOM () % 8 + 1))	1611	if (move_object (ob, ob->move_status = rndm (8) + 1))
1595	return;	1612	return;
1596	}	1613	}
1597		1614
1598	void	1615	void
1599	check_earthwalls (object op, maptile m, int x, int y)	1616	check_earthwalls (object op, maptile m, int x, int y)
1600	{	1617	{
1601	object *tmp;
1602
1603	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1618	for (object *tmp = GET_MAP_OB (m, x, y); tmp; tmp = tmp->above)
1604	{
1605	if (tmp->type == EARTHWALL)	1619	if (tmp->type == EARTHWALL)
1606	{	1620	{
1607	hit_player (tmp, op->stats.dam, op, AT_PHYSICAL, 1);	1621	hit_player (tmp, op->stats.dam, op, AT_PHYSICAL, 1);
1608	return;	1622	return;
1609	}	1623	}
1610	}
1611	}	1624	}
1612		1625
1613	void	1626	void
1614	check_doors (object op, maptile m, int x, int y)	1627	check_doors (object op, maptile m, int x, int y)
1615	{	1628	{
1616	object *tmp;
1617
1618	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1629	for (object *tmp = GET_MAP_OB (m, x, y); tmp; tmp = tmp->above)
1619	{
1620	if (tmp->type == DOOR)	1630	if (tmp->type == DOOR)
1621	{	1631	{
1622	hit_player (tmp, 1000, op, AT_PHYSICAL, 1);	1632	hit_player (tmp, 1000, op, AT_PHYSICAL, 1);
1623	return;	1633	return;
1624	}	1634	}
1625	}
1626	}	1635	}
1627		1636
1628	/* find_mon_throw_ob() - modeled on find_throw_ob	1637	/* find_mon_throw_ob() - modeled on find_throw_ob
1629	* This is probably overly simplistic as it is now - We want	1638	* This is probably overly simplistic as it is now - We want
1630	* monsters to throw things like chairs and other pieces of	1639	* monsters to throw things like chairs and other pieces of
1631	* furniture, even if they are not good throwable objects.	1640	* furniture, even if they are not good throwable objects.
1632	* Probably better to have the monster throw a throwable object	1641	* Probably better to have the monster throw a throwable object
1633	* first, then throw any non equipped weapon.	1642	* first, then throw any non equipped weapon.
1634	*/	1643	*/
1635
1636	object *	1644	object *
1637	find_mon_throw_ob (object *op)	1645	find_mon_throw_ob (object *op)
1638	{	1646	{
1639	object *tmp = NULL;	1647	object *tmp = NULL;
1640		1648
…		…
1644	tmp = op;	1652	tmp = op;
1645		1653
1646	/* New throw code: look through the inventory. Grap the first legal is_thrown	1654	/* New throw code: look through the inventory. Grap the first legal is_thrown
1647	* marked item and throw it to the enemy.	1655	* marked item and throw it to the enemy.
1648	*/	1656	*/
1649
1650	for (tmp = op->inv; tmp; tmp = tmp->below)	1657	for (tmp = op->inv; tmp; tmp = tmp->below)
1651	{	1658	{
1652
1653	/* Can't throw invisible objects or items that are applied */	1659	/* Can't throw invisible objects or items that are applied */
1654	if (tmp->invisible \|\| QUERY_FLAG (tmp, FLAG_APPLIED))	1660	if (tmp->invisible \|\| QUERY_FLAG (tmp, FLAG_APPLIED))
1655	continue;	1661	continue;
1656		1662
1657	if (QUERY_FLAG (tmp, FLAG_IS_THROWN))	1663	if (QUERY_FLAG (tmp, FLAG_IS_THROWN))
…		…
1673	* properly. I also so odd code in place that checked for x distance	1679	* properly. I also so odd code in place that checked for x distance
1674	* OR y distance being within some range - that seemed wrong - both should	1680	* OR y distance being within some range - that seemed wrong - both should
1675	* be within the valid range. MSW 2001-08-05	1681	* be within the valid range. MSW 2001-08-05
1676	* Returns 0 if enemy can not be detected, 1 if it is detected	1682	* Returns 0 if enemy can not be detected, 1 if it is detected
1677	*/	1683	*/
1678
1679	int	1684	int
1680	can_detect_enemy (object op, object enemy, rv_vector * rv)	1685	can_detect_enemy (object op, object enemy, rv_vector * rv)
1681	{	1686	{
1682	int radius = MIN_MON_RADIUS, hide_discovery;	1687	int radius = MIN_MON_RADIUS, hide_discovery;
1683		1688
…		…
1690	return 0;	1695	return 0;
1691		1696
1692	get_rangevector (op, enemy, rv, 0);	1697	get_rangevector (op, enemy, rv, 0);
1693		1698
1694	/* Monsters always ignore the DM */	1699	/* Monsters always ignore the DM */
1695	if ((op->type != PLAYER) && QUERY_FLAG (enemy, FLAG_WIZ))	1700	if (op->type != PLAYER && QUERY_FLAG (enemy, FLAG_WIZ))
1696	return 0;	1701	return 0;
1697		1702
1698	/* simple check. Should probably put some range checks in here. */	1703	/* simple check. Should probably put some range checks in here. */
1699	if (can_see_enemy (op, enemy))	1704	if (can_see_enemy (op, enemy))
1700	return 1;	1705	return 1;
…		…
1713		1718
1714	/* use this for invis also */	1719	/* use this for invis also */
1715	hide_discovery = op->stats.Int / 5;	1720	hide_discovery = op->stats.Int / 5;
1716		1721
1717	/* Determine Detection radii */	1722	/* Determine Detection radii */
1718	if (!enemy->hide) /* to detect non-hidden (eg dark/invis enemy) */	1723	if (!enemy->flag [FLAG_HIDDEN]) /* to detect non-hidden (eg dark/invis enemy) */
1719	radius = (op->stats.Wis / 5) + 1 > MIN_MON_RADIUS ? (op->stats.Wis / 5) + 1 : MIN_MON_RADIUS;	1724	radius = max (MIN_MON_RADIUS, op->stats.Wis / 5 + 1);
1720	else	1725	else
1721	{ /* a level/INT/Dex adjustment for hiding */	1726	{ /* a level/INT/Dex adjustment for hiding */
1722	object *sk_hide;
1723	int bonus = (op->level / 2) + (op->stats.Int / 5);	1727	int bonus = op->level / 2 + op->stats.Int / 5;
1724		1728
1725	if (enemy->type == PLAYER)	1729	if (enemy->is_player ())
1726	{	1730	{
1727	if ((sk_hide = find_skill_by_number (enemy, SK_HIDING)))	1731	if (object *sk_hide = find_skill_by_number (enemy, SK_HIDING))
1728	bonus -= sk_hide->level;	1732	bonus -= sk_hide->level;
1729	else	1733	else
1730	{	1734	{
1731	LOG (llevError, "can_detect_enemy() got hidden player w/o hiding skill!\n");	1735	LOG (llevError, "can_detect_enemy() got hidden player w/o hiding skill!\n");
1732	make_visible (enemy);	1736	make_visible (enemy);
…		…
1741	} /* else creature has modifiers for hiding */	1745	} /* else creature has modifiers for hiding */
1742		1746
1743	/* Radii stealth adjustment. Only if you are stealthy	1747	/* Radii stealth adjustment. Only if you are stealthy
1744	* will you be able to sneak up closer to creatures */	1748	* will you be able to sneak up closer to creatures */
1745	if (QUERY_FLAG (enemy, FLAG_STEALTH))	1749	if (QUERY_FLAG (enemy, FLAG_STEALTH))
1746	radius = radius / 2, hide_discovery = hide_discovery / 3;	1750	{
		1751	radius /= 2;
		1752	hide_discovery /= 3;
		1753	}
1747		1754
1748	/* Radii adjustment for enemy standing in the dark */	1755	/* Radii adjustment for enemy standing in the dark */
1749	if (op->map->darkness > 0 && !stand_in_light (enemy))	1756	if (op->map->darklevel () > 0 && !stand_in_light (enemy))
1750	{	1757	{
1751	/* on dark maps body heat can help indicate location with infravision	1758	/* on dark maps body heat can help indicate location with infravision
1752	* undead don't have body heat, so no benefit detecting them.	1759	* undead don't have body heat, so no benefit detecting them.
1753	*/	1760	*/
1754	if (QUERY_FLAG (op, FLAG_SEE_IN_DARK) && !is_true_undead (enemy))	1761	if (QUERY_FLAG (op, FLAG_SEE_IN_DARK) && !is_true_undead (enemy))
1755	radius += op->map->darkness / 2;	1762	radius += op->map->darklevel () / 2;
1756	else	1763	else
1757	radius -= op->map->darkness / 2;	1764	radius -= op->map->darklevel () / 2;
1758		1765
1759	/* op next to a monster (and not in complete darkness)	1766	/* op next to a monster (and not in complete darkness)
1760	* the monster should have a chance to see you.	1767	* the monster should have a chance to see you.
1761	*/	1768	*/
1762	if (radius < MIN_MON_RADIUS && op->map->darkness < 5 && rv->distance <= 1)	1769	if (radius < MIN_MON_RADIUS && op->map->darklevel () < 5 && rv->distance <= 1)
1763	radius = MIN_MON_RADIUS;	1770	radius = MIN_MON_RADIUS;
1764	} /* if on dark map */	1771	} /* if on dark map */
1765		1772
1766	/* Lets not worry about monsters that have incredible detection	1773	/* Lets not worry about monsters that have incredible detection
1767	* radii, we only need to worry here about things the player can	1774	* radii, we only need to worry here about things the player can
…		…
1769	* may have for their map - in that way, creatures at the edge will	1776	* may have for their map - in that way, creatures at the edge will
1770	* do something. Note that the distance field in the	1777	* do something. Note that the distance field in the
1771	* vector is real distance, so in theory this should be 18 to	1778	* vector is real distance, so in theory this should be 18 to
1772	* find that.	1779	* find that.
1773	*/	1780	*/
1774	if (radius > 13)	1781	// note that the above reasoning was utter bullshit even at the time it was written
1775	radius = 13;	1782	// we use 25, lets see if we have the cpu time for it
		1783	radius = min (25, radius);
1776		1784
1777	/* Enemy in range! Now test for detection */	1785	/* Enemy in range! Now test for detection */
1778	if ((int) rv->distance <= radius)	1786	if (rv->distance <= radius)
1779	{	1787	{
1780	/* ah, we are within range, detected? take cases */	1788	/* ah, we are within range, detected? take cases */
1781	if (!enemy->invisible) /* enemy in dark squares... are seen! */	1789	if (!enemy->invisible) /* enemy in dark squares... are seen! */
1782	return 1;	1790	return 1;
1783		1791
1784	/* hidden or low-quality invisible */	1792	/* hidden or low-quality invisible */
1785	if (enemy->hide && (rv->distance <= 1) && (RANDOM () % 100 <= hide_discovery))	1793	if (enemy->flag [FLAG_HIDDEN] && rv->distance <= 1 && rndm (100) <= hide_discovery)
1786	{	1794	{
1787	make_visible (enemy);	1795	make_visible (enemy);
		1796
1788	/* inform players of new status */	1797	/* inform players of new status */
1789	if (enemy->type == PLAYER && player_can_view (enemy, op))	1798	if (enemy->type == PLAYER && player_can_view (enemy, op))
1790	new_draw_info_format (NDI_UNIQUE, 0, enemy, "You are discovered by %s!", &op->name);	1799	new_draw_info_format (NDI_UNIQUE, 0, enemy, "You are discovered by %s!", &op->name);
		1800
1791	return 1; /* detected enemy */	1801	return 1; /* detected enemy */
1792	}	1802	}
1793	else if (enemy->invisible)	1803	else if (enemy->invisible)
1794	{	1804	{
1795	/* Change this around - instead of negating the invisible, just	1805	/* Change this around - instead of negating the invisible, just
1796	* return true so that the mosnter that managed to detect you can	1806	* return true so that the monster that managed to detect you can
1797	* do something to you. Decreasing the duration of invisible	1807	* do something to you. Decreasing the duration of invisible
1798	* doesn't make a lot of sense IMO, as a bunch of stupid creatures	1808	* doesn't make a lot of sense IMO, as a bunch of stupid creatures
1799	* can then basically negate the spell. The spell isn't negated -	1809	* can then basically negate the spell. The spell isn't negated -
1800	* they just know where you are!	1810	* they just know where you are!
1801	*/	1811	*/
1802	if ((RANDOM () % 50) <= hide_discovery)	1812	if (rndm (50) <= hide_discovery)
1803	{	1813	{
1804	if (enemy->type == PLAYER)	1814	if (enemy->type == PLAYER)
1805	{
1806	new_draw_info_format (NDI_UNIQUE, 0, enemy, "You see %s noticing your position.", query_name (op));	1815	new_draw_info_format (NDI_UNIQUE, 0, enemy, "You see %s noticing your position.", query_name (op));
1807	}	1816
1808	return 1;	1817	return 1;
1809	}	1818	}
1810	}	1819	}
1811	} /* within range */	1820	} /* within range */
1812		1821
…		…
1817	/* determine if op stands in a lighted square. This is not a very	1826	/* determine if op stands in a lighted square. This is not a very
1818	* intellegent algorithm. For one thing, we ignore los here, SO it	1827	* intellegent algorithm. For one thing, we ignore los here, SO it
1819	* is possible for a bright light to illuminate a player on the	1828	* is possible for a bright light to illuminate a player on the
1820	* other side of a wall (!).	1829	* other side of a wall (!).
1821	*/	1830	*/
1822
1823	int	1831	int
1824	stand_in_light (object *op)	1832	stand_in_light (object *op)
1825	{	1833	{
1826	sint16 nx, ny;
1827	maptile *m;
1828
1829
1830	if (!op)	1834	if (op)
1831	return 0;	1835	{
1832	if (op->glow_radius > 0)	1836	if (op->glow_radius > 0)
1833	return 1;	1837	return 1;
1834		1838
1835	if (op->map)	1839	if (op->map)
1836	{	1840	unordered_mapwalk (op, -MAX_LIGHT_RADIUS, -MAX_LIGHT_RADIUS, MAX_LIGHT_RADIUS, MAX_LIGHT_RADIUS)
1837	int x, y, x1, y1;	1841	{
1838
1839
1840
1841	/* Check the spaces with the max light radius to see if any of them	1842	/* Check the spaces with the max light radius to see if any of them
1842	* have lights, and if any of them light the player enough, then return 1.	1843	* have lights, and if any of them light the player enough, then return 1.
1843	*/
1844	for (x = op->x - MAX_LIGHT_RADII; x <= op->x + MAX_LIGHT_RADII; x++)
1845	{
1846	for (y = op->y - MAX_LIGHT_RADII; y <= op->y + MAX_LIGHT_RADII; y++)
1847	{	1844	*/
1848	m = op->map;	1845	int light = m->at (nx, ny).light;
1849	nx = x;
1850	ny = y;
1851		1846
1852	if (get_map_flags (m, &m, nx, ny, &nx, &ny) & P_OUT_OF_MAP)	1847	if (expect_false (light > 0) && idistance (dx, dy) <= light)
1853	continue;
1854
1855	x1 = abs (x - op->x) * abs (x - op->x);
1856	y1 = abs (y - op->y) * abs (y - op->y);
1857	if (isqrt (x1 + y1) < GET_MAP_LIGHT (m, nx, ny))
1858	return 1;	1848	return 1;
1859	}	1849	}
1860	}
1861	}	1850	}
		1851
1862	return 0;	1852	return 0;
1863	}	1853	}
1864
1865		1854
1866	/* assuming no walls/barriers, lets check to see if its possible	1855	/* assuming no walls/barriers, lets check to see if its possible
1867	* to see an enemy. Note, "detection" is different from "seeing".	1856	* to see an enemy. Note, "detection" is different from "seeing".
1868	* See can_detect_enemy() for more details. -b.t.	1857	* See can_detect_enemy() for more details. -b.t.
1869	* return 0 if can't be seen, 1 if can be	1858	* return 0 if can't be seen, 1 if can be
1870	*/	1859	*/
1871
1872	int	1860	int
1873	can_see_enemy (object op, object enemy)	1861	can_see_enemy (object op, object enemy)
1874	{	1862	{
1875	object *looker = op->head ? op->head : op;	1863	object *looker = op->head ? op->head : op;
1876		1864
…		…
1892	* However,if you carry any source of light, then the hidden	1880	* However,if you carry any source of light, then the hidden
1893	* creature is seeable (and stupid) */	1881	* creature is seeable (and stupid) */
1894		1882
1895	if (has_carried_lights (enemy))	1883	if (has_carried_lights (enemy))
1896	{	1884	{
1897	if (enemy->hide)	1885	if (enemy->flag [FLAG_HIDDEN])
1898	{	1886	{
1899	make_visible (enemy);	1887	make_visible (enemy);
1900	new_draw_info (NDI_UNIQUE, 0, enemy, "Your light reveals your hiding spot!");	1888	new_draw_info (NDI_UNIQUE, 0, enemy, "Your light reveals your hiding spot!");
1901	}	1889	}
		1890
1902	return 1;	1891	return 1;
1903	}	1892	}
1904	else if (enemy->hide)	1893	else if (enemy->flag [FLAG_HIDDEN])
1905	return 0;	1894	return 0;
1906		1895
1907	/* Invisible enemy. Break apart the check for invis undead/invis looker	1896	/* Invisible enemy. Break apart the check for invis undead/invis looker
1908	* into more simple checks - the QUERY_FLAG doesn't return 1/0 values,	1897	* into more simple checks - the QUERY_FLAG doesn't return 1/0 values,
1909	* and making it a conditional makes the code pretty ugly.	1898	* and making it a conditional makes the code pretty ugly.
1910	*/	1899	*/
1911	if (!QUERY_FLAG (looker, FLAG_SEE_INVISIBLE))	1900	if (!QUERY_FLAG (looker, FLAG_SEE_INVISIBLE))
1912	{
1913	if (makes_invisible_to (enemy, looker))	1901	if (makes_invisible_to (enemy, looker))
1914	return 0;	1902	return 0;
1915	}
1916	}	1903	}
1917	else if (looker->type == PLAYER) /* for players, a (possible) shortcut */	1904	else if (looker->is_player ()) /* for players, a (possible) shortcut */
1918	if (player_can_view (looker, enemy))	1905	if (player_can_view (looker, enemy))
1919	return 1;	1906	return 1;
1920		1907
1921	/* ENEMY IN DARK MAP. Without infravision, the enemy is not seen	1908	/* ENEMY IN DARK MAP. Without infravision, the enemy is not seen
1922	* unless they carry a light or stand in light. Darkness doesnt	1909	* unless they carry a light or stand in light. Darkness doesnt
…		…
1925	* we care about the enemy maps status, not the looker.	1912	* we care about the enemy maps status, not the looker.
1926	* only relevant for tiled maps, but it is possible that the	1913	* only relevant for tiled maps, but it is possible that the
1927	* enemy is on a bright map and the looker on a dark - in that	1914	* enemy is on a bright map and the looker on a dark - in that
1928	* case, the looker can still see the enemy	1915	* case, the looker can still see the enemy
1929	*/	1916	*/
1930	if (enemy->map->darkness > 0 && !stand_in_light (enemy)	1917	if (enemy->map->darklevel () > 0
		1918	&& !stand_in_light (enemy)
1931	&& (!QUERY_FLAG (looker, FLAG_SEE_IN_DARK) \|\| !is_true_undead (looker) \|\| !QUERY_FLAG (looker, FLAG_XRAYS)))	1919	&& (!QUERY_FLAG (looker, FLAG_SEE_IN_DARK) \|\| !is_true_undead (looker) \|\| !QUERY_FLAG (looker, FLAG_XRAYS)))
1932	return 0;	1920	return 0;
1933		1921
1934	return 1;	1922	return 1;
1935	}	1923	}
		1924

Diff Legend

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

Comparing deliantra/server/server/monster.C (file contents): Revision 1.22 by pippijn, Mon Jan 15 21:06:20 2007 UTC vs. Revision 1.55 by root, Sat Dec 27 07:50:05 2008 UTC

Diff Legend

Comparing deliantra/server/server/monster.C (file contents):
Revision 1.22 by pippijn, Mon Jan 15 21:06:20 2007 UTC vs.
Revision 1.55 by root, Sat Dec 27 07:50:05 2008 UTC