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/cvs/deliantra/server/server/spell_attack.C

Comparing deliantra/server/server/spell_attack.C (file contents):
Revision 1.2 by elmex, Tue Aug 15 15:00:20 2006 UTC vs.
Revision 1.42 by root, Sun Jul 1 05:00:20 2007 UTC

1	/*	1	/*
2	* static char *rcsid_spell_attack_c =	2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3	* "$Id: spell_attack.C,v 1.2 2006/08/15 15:00:20 elmex Exp $";	3	*
		4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
		5	* Copyright (©) 2002-2003,2007 Mark Wedel & Crossfire Development Team
		6	* Copyright (©) 1992,2007 Frank Tore Johansen
		7	*
		8	* Crossfire TRT is free software: you can redistribute it and/or modify
		9	* it under the terms of the GNU General Public License as published by
		10	* the Free Software Foundation, either version 3 of the License, or
		11	* (at your option) any later version.
		12	*
		13	* This program is distributed in the hope that it will be useful,
		14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
		15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		16	* GNU General Public License for more details.
		17	*
		18	* You should have received a copy of the GNU General Public License
		19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
		20	*
		21	* The authors can be reached via e-mail to <crossfire@schmorp.de>
4	*/	22	*/
5
6
7	/*
8	CrossFire, A Multiplayer game for X-windows
9
10	Copyright (C) 2002-2003 Mark Wedel & Crossfire Development Team
11	Copyright (C) 1992 Frank Tore Johansen
12
13	This program is free software; you can redistribute it and/or modify
14	it under the terms of the GNU General Public License as published by
15	the Free Software Foundation; either version 2 of the License, or
16	(at your option) any later version.
17
18	This program is distributed in the hope that it will be useful,
19	but WITHOUT ANY WARRANTY; without even the implied warranty of
20	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21	GNU General Public License for more details.
22
23	You should have received a copy of the GNU General Public License
24	along with this program; if not, write to the Free Software
25	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26
27	The authors can be reached via e-mail at crossfire-devel@real-time.com
28	*/
29		23
30	/* This file contains all the spell attack code. Grouping this code	24	/* This file contains all the spell attack code. Grouping this code
31	* together should hopefully make it easier to find the relevent bits	25	* together should hopefully make it easier to find the relevent bits
32	* of code	26	* of code
33	*/	27	*/
34		28
35	#include <global.h>	29	#include <global.h>
36	#include <object.h>	30	#include <object.h>
37	#include <living.h>	31	#include <living.h>
38	#ifndef __CEXTRACT__
39	#include <sproto.h>	32	#include <sproto.h>
40	#endif
41	#include <spells.h>	33	#include <spells.h>
42	#include <sounds.h>	34	#include <sounds.h>
43		35
44	/* this function checks to see if a spell pushes objects as well	36	/* this function checks to see if a spell pushes objects as well
45	* as flies over and damages them (only used for cones for now)	37	* as flies over and damages them (only used for cones for now)
46	* but moved here so it could be applied to bolts too	38	* but moved here so it could be applied to bolts too
47	* op is the spell object.	39	* op is the spell object.
48	*/	40	*/
49		41
		42	void
50	void check_spell_knockback(object *op) {	43	check_spell_knockback (object *op)
		44	{
51	object *tmp, *tmp2; /* object on the map */	45	object *tmp, *tmp2; /* object on the map */
52	int weight_move;	46	int weight_move;
53	int frictionmod=2; /*poor man's physics - multipy targets weight by this amount */	47	int frictionmod = 2; /*poor man's physics - multipy targets weight by this amount */
54		48
55	if(! op->weight) { /*shouldn't happen but if cone object has no weight drop out*/	49	if (!op->weight)
		50	{ /*shouldn't happen but if cone object has no weight drop out */
56	/*LOG (llevDebug, "DEBUG: arch weighs nothing\n");*/	51	/*LOG (llevDebug, "DEBUG: arch weighs nothing\n"); */
57	return;	52	return;
58	}else{	53	}
		54	else
		55	{
59	weight_move = op->weight +(op->weight * op->level) / 3;	56	weight_move = op->weight + (op->weight * op->level) / 3;
60	/*LOG (llevDebug, "DEBUG: arch weighs %d and masses %d (%s,level %d)\n", op->weight,weight_move,op->name,op->level);*/	57	/*LOG (llevDebug, "DEBUG: arch weighs %d and masses %d (%s,level %d)\n", op->weight,weight_move,op->name,op->level); */
61	}	58	}
62		59
63	for(tmp=get_map_ob(op->map,op->x,op->y);tmp!=NULL;tmp=tmp->above)	60	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
64	{	61	{
65	int num_sections = 1;	62	int num_sections = 1;
66		63
67	/* don't move DM */	64	/* don't move DM */
68	if(QUERY_FLAG(tmp, FLAG_WIZ))	65	if (QUERY_FLAG (tmp, FLAG_WIZ))
69	return;	66	return;
70		67
71	/* don't move parts of objects */	68	/* don't move parts of objects */
72	if(tmp->head) continue;	69	if (tmp->head)
		70	continue;
73		71
74	/* don't move floors or immobile objects */	72	/* don't move floors or immobile objects */
75	if(QUERY_FLAG(tmp,FLAG_IS_FLOOR)||(!QUERY_FLAG(tmp,FLAG_ALIVE)&&QUERY_FLAG(tmp,FLAG_NO_PICK))) continue;	73	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || (!QUERY_FLAG (tmp, FLAG_ALIVE) && QUERY_FLAG (tmp, FLAG_NO_PICK)))
		74	continue;
76		75
77	/* count the object's sections */	76	/* count the object's sections */
78	for(tmp2 = tmp; tmp2!=NULL;tmp2=tmp2->more) num_sections++;	77	for (tmp2 = tmp; tmp2 != NULL; tmp2 = tmp2->more)
		78	num_sections++;
79		79
80	/* I'm not sure if it makes sense to divide by num_sections - bigger	80	/* I'm not sure if it makes sense to divide by num_sections - bigger
81	* objects should be harder to move, and we are moving the entire	81	* objects should be harder to move, and we are moving the entire
82	* object, not just the head, so the total weight should be relevant.	82	* object, not just the head, so the total weight should be relevant.
83	*/	83	*/
84		84
85	/* surface area? -tm */	85	/* surface area? -tm */
86		86
87	if (tmp->move_type & MOVE_FLYING)	87	if (tmp->move_type & MOVE_FLYING)
88	frictionmod = 1 ; /* flying objects loose the friction modifier */	88	frictionmod = 1; /* flying objects loose the friction modifier */
89		89
90	if(rndm(0, weight_move-1) > ((tmp->weight / num_sections) * frictionmod)) { /* move it. */	90	if (rndm (0, weight_move - 1) > ((tmp->weight / num_sections) * frictionmod))
		91	{ /* move it. */
91	/* move_object is really for monsters, but looking at	92	/* move_object is really for monsters, but looking at
92	* the move_object function, it appears that it should	93	* the move_object function, it appears that it should
93	* also be safe for objects.	94	* also be safe for objects.
94	* This does return if successful or not, but	95	* This does return if successful or not, but
95	* I don't see us doing anything useful with that information	96	* I don't see us doing anything useful with that information
96	* right now.	97	* right now.
97	*/	98	*/
98	move_object(tmp, absdir(op->stats.sp));	99	move_object (tmp, absdir (op->stats.sp));
99	}	100	}
100		101
101	}	102	}
102	}	103	}
103		104
104	/***************************************************************************	105	/***************************************************************************
…		…
109		110
110	/* Causes op to fork. op is the original bolt, tmp	111	/* Causes op to fork. op is the original bolt, tmp
111	* is the first piece of the fork.	112	* is the first piece of the fork.
112	*/	113	*/
113		114
		115	void
114	void forklightning(object *op, object *tmp) {	116	forklightning (object *op, object *tmp)
		117	{
115	int new_dir=1; /* direction or -1 for left, +1 for right 0 if no new bolt */	118	int new_dir = 1; /* direction or -1 for left, +1 for right 0 if no new bolt */
116	int t_dir; /* stores temporary dir calculation */	119	int t_dir; /* stores temporary dir calculation */
117	mapstruct *m;	120	maptile *m;
118	sint16 sx,sy;	121	sint16 sx, sy;
119	object *new_bolt;	122	object *new_bolt;
120		123
121	/* pick a fork direction. tmp->stats.Con is the left bias	124	/* pick a fork direction. tmp->stats.Con is the left bias
122	* i.e., the chance in 100 of forking LEFT	125	* i.e., the chance in 100 of forking LEFT
123	* Should start out at 50, down to 25 for one already going left	126	* Should start out at 50, down to 25 for one already going left
124	* down to 0 for one going 90 degrees left off original path	127	* down to 0 for one going 90 degrees left off original path
125	*/	128	*/
126		129
127	if(rndm(0, 99) < tmp->stats.Con) /* fork left */	130	if (rndm (0, 99) < tmp->stats.Con) /* fork left */
128	new_dir = -1;	131	new_dir = -1;
129		132
130	/* check the new dir for a wall and in the map*/	133	/* check the new dir for a wall and in the map */
131	t_dir = absdir(tmp->direction + new_dir);	134	t_dir = absdir (tmp->direction + new_dir);
132		135
133	if(get_map_flags(tmp->map,&m, tmp->x + freearr_x[t_dir],tmp->y + freearr_y[t_dir],	136	if (get_map_flags (tmp->map, &m, tmp->x + freearr_x[t_dir], tmp->y + freearr_y[t_dir], &sx, &sy) & P_OUT_OF_MAP)
134	&sx, &sy) & P_OUT_OF_MAP)	137	return;
135	return;
136		138
137	if (OB_TYPE_MOVE_BLOCK(tmp, GET_MAP_MOVE_BLOCK(m, sx, sy)))	139	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, sx, sy)))
138	return;	140	return;
139		141
140	/* OK, we made a fork */	142	/* OK, we made a fork */
141	new_bolt = get_object();	143	new_bolt = tmp->clone ();
142		144
143	copy_object(tmp,new_bolt);
144
145	/* reduce chances of subsequent forking */	145	/* reduce chances of subsequent forking */
146	new_bolt->stats.Dex -= 10;	146	new_bolt->stats.Dex -= 10;
147	tmp->stats.Dex -= 10; /* less forks from main bolt too */	147	tmp->stats.Dex -= 10; /* less forks from main bolt too */
148	new_bolt->stats.Con += 25 * new_dir; /* adjust the left bias */	148	new_bolt->stats.Con += 25 * new_dir; /* adjust the left bias */
149	new_bolt->speed_left = -0.1;	149	new_bolt->speed_left = -0.1f;
150	new_bolt->direction = t_dir;	150	new_bolt->direction = t_dir;
151	new_bolt->duration++;	151	new_bolt->duration++;
152	new_bolt->x=sx;
153	new_bolt->y=sy;
154	new_bolt->stats.dam /= 2; /* reduce daughter bolt damage */	152	new_bolt->stats.dam /= 2; /* reduce daughter bolt damage */
155	new_bolt->stats.dam++;	153	new_bolt->stats.dam++;
156	tmp->stats.dam /= 2; /* reduce father bolt damage */	154	tmp->stats.dam /= 2; /* reduce father bolt damage */
157	tmp->stats.dam++;	155	tmp->stats.dam++;
158	new_bolt = insert_ob_in_map(new_bolt,m,op,0);	156	if ((new_bolt = m->insert (new_bolt, sx, sy, op)))
159	update_turn_face(new_bolt);	157	update_turn_face (new_bolt);
160	}	158	}
161		159
162	/* move_bolt: moves bolt 'op'. Basically, it just advances a space,	160	/* move_bolt: moves bolt 'op'. Basically, it just advances a space,
163	* and checks for various things that may stop it.	161	* and checks for various things that may stop it.
164	*/	162	*/
165		163
		164	void
166	void move_bolt(object *op) {	165	move_bolt (object *op)
167	object *tmp;	166	{
168	int mflags;	167	int mflags;
169	sint16 x, y;	168	sint16 x, y;
170	mapstruct *m;	169	maptile *m;
171		170
172	if(--(op->duration)<0) {	171	if (--op->duration < 0)
173	remove_ob(op);
174	free_object(op);
175	return;
176	}	172	{
		173	op->destroy ();
		174	return;
		175	}
		176
177	hit_map(op,0,op->attacktype,1);	177	hit_map (op, 0, op->attacktype, 1);
178		178
179	if(!op->direction)	179	if (!op->direction)
180	return;
181
182	if (--op->range<0) {
183	op->range=0;
184	} else {
185	x = op->x+DIRX(op);
186	y = op->y+DIRY(op);
187	m = op->map;
188	mflags = get_map_flags(m, &m, x, y, &x, &y);
189
190	if (mflags & P_OUT_OF_MAP) return;
191
192	/* We are about to run into something - we may bounce */
193	/* Calling reflwall is pretty costly, as it has to look at all the objects
194	* on the space. So only call reflwall if we think the data it returns
195	* will be useful.
196	*/
197	if (OB_TYPE_MOVE_BLOCK(op, GET_MAP_MOVE_BLOCK(m, x, y)) ||
198	((mflags & P_IS_ALIVE) && reflwall(m, x, y, op))) {
199
200	if(!QUERY_FLAG(op, FLAG_REFLECTING))
201	return;
202
203	/* Since walls don't run diagonal, if the bolt is in
204	* one of 4 main directions, it just reflects back in the
205	* opposite direction. However, if the bolt is travelling
206	* on the diagonal, it is trickier - eg, a bolt travelling
207	* northwest bounces different if it hits a north/south
208	* wall (bounces to northeast) vs an east/west (bounces
209	* to the southwest.
210	*/
211	if(op->direction&1)
212	op->direction=absdir(op->direction+4);
213	else {
214	int left, right;
215	int mflags;
216
217	/* Need to check for P_OUT_OF_MAP: if the bolt is tavelling
218	* over a corner in a tiled map, it is possible that
219	* op->direction is within an adjacent map but either
220	* op->direction-1 or op->direction+1 does not exist.
221	*/
222	mflags = get_map_flags(op->map, &m, op->x+freearr_x[absdir(op->direction-1)],
223	op->y+freearr_y[absdir(op->direction-1)], &x, &y);
224
225	left = (mflags & P_OUT_OF_MAP) ? 0 : OB_TYPE_MOVE_BLOCK(op, GET_MAP_MOVE_BLOCK(m, x, y));
226
227	mflags = get_map_flags(op->map, &m, op->x+freearr_x[absdir(op->direction+1)],
228	op->y+freearr_y[absdir(op->direction+1)], &x, &y);
229	right = (mflags & P_OUT_OF_MAP) ? 0 : OB_TYPE_MOVE_BLOCK(op, GET_MAP_MOVE_BLOCK(m, x, y));
230
231	if(left==right)
232	op->direction=absdir(op->direction+4);
233	else if(left)
234	op->direction=absdir(op->direction+2);
235	else if(right)
236	op->direction=absdir(op->direction-2);
237	}
238	update_turn_face(op); /* A bolt *must* be IS_TURNABLE */
239	return;	180	return;
240	}
241	else { /* Create a copy of this object and put it ahead */
242	tmp=get_object();
243	copy_object(op,tmp);
244	tmp->speed_left= -0.1;
245	tmp->x+=DIRX(tmp),tmp->y+=DIRY(tmp);
246	tmp = insert_ob_in_map(tmp,op->map,op,0);
247	/* To make up for the decrease at the top of the function */
248	tmp->duration++;
249		181
250	/* New forking code. Possibly create forks of this object	182	if (--op->range < 0)
251	* going off in other directions.
252	*/
253
254	if(rndm(0, 99)< tmp->stats.Dex) { /* stats.Dex % of forking */
255	forklightning(op,tmp);
256	}
257	/* In this way, the object left behind sticks on the space, but
258	* doesn't create any bolts that continue to move onward.
259	*/
260	op->range = 0;	183	op->range = 0;
261	} /* copy object and move it along */	184	else
262	} /* if move bolt along */	185	{
		186	x = op->x + DIRX (op);
		187	y = op->y + DIRY (op);
		188	m = op->map;
		189	mflags = get_map_flags (m, &m, x, y, &x, &y);
		190
		191	if (mflags & P_OUT_OF_MAP)
		192	return;
		193
		194	/* We are about to run into something - we may bounce */
		195	/* Calling reflwall is pretty costly, as it has to look at all the objects
		196	* on the space. So only call reflwall if we think the data it returns
		197	* will be useful.
		198	*/
		199	if (OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, x, y)) || ((mflags & P_IS_ALIVE) && reflwall (m, x, y, op)))
		200	{
		201	if (!QUERY_FLAG (op, FLAG_REFLECTING))
		202	return;
		203
		204	/* Since walls don't run diagonal, if the bolt is in
		205	* one of 4 main directions, it just reflects back in the
		206	* opposite direction. However, if the bolt is travelling
		207	* on the diagonal, it is trickier - eg, a bolt travelling
		208	* northwest bounces different if it hits a north/south
		209	* wall (bounces to northeast) vs an east/west (bounces
		210	* to the southwest.
		211	*/
		212	if (op->direction & 1)
		213	op->direction = absdir (op->direction + 4);
		214	else
		215	{
		216	int left, right;
		217	int mflags;
		218
		219	/* Need to check for P_OUT_OF_MAP: if the bolt is tavelling
		220	* over a corner in a tiled map, it is possible that
		221	* op->direction is within an adjacent map but either
		222	* op->direction-1 or op->direction+1 does not exist.
		223	*/
		224	mflags = get_map_flags (op->map, &m, op->x + freearr_x[absdir (op->direction - 1)],
		225	op->y + freearr_y[absdir (op->direction - 1)], &x, &y);
		226
		227	left = (mflags & P_OUT_OF_MAP) ? 0 : OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, x, y));
		228
		229	mflags = get_map_flags (op->map, &m, op->x + freearr_x[absdir (op->direction + 1)],
		230	op->y + freearr_y[absdir (op->direction + 1)], &x, &y);
		231	right = (mflags & P_OUT_OF_MAP) ? 0 : OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, x, y));
		232
		233	if (left == right)
		234	op->direction = absdir (op->direction + 4);
		235	else if (left)
		236	op->direction = absdir (op->direction + 2);
		237	else if (right)
		238	op->direction = absdir (op->direction - 2);
		239	}
		240
		241	update_turn_face (op); /* A bolt *must* be IS_TURNABLE */
		242	return;
		243	}
		244	else
		245	{ /* Create a copy of this object and put it ahead */
		246	object *tmp = op->clone ();
		247
		248	m->insert (tmp, x, y, op);
		249	tmp->speed_left = -0.1f;
		250	/* To make up for the decrease at the top of the function */
		251	tmp->duration++;
		252
		253	/* New forking code. Possibly create forks of this object
		254	* going off in other directions.
		255	*/
		256	if (rndm (0, 99) < tmp->stats.Dex)
		257	{ /* stats.Dex % of forking */
		258	forklightning (op, tmp);
		259	}
		260
		261	/* In this way, the object left behind sticks on the space, but
		262	* doesn't create any bolts that continue to move onward.
		263	*/
		264	op->range = 0;
		265	} /* copy object and move it along */
		266	} /* if move bolt along */
263	}	267	}
264		268
265	/* fire_bolt	269	/* fire_bolt
266	* object op (cast from caster) files a bolt in dir.	270	* object op (cast from caster) files a bolt in dir.
267	* spob is the spell object for the bolt.	271	* spob is the spell object for the bolt.
268	* we remove the magic flag - that can be derived from	272	* we remove the magic flag - that can be derived from
269	* spob->attacktype.	273	* spob->attacktype.
270	* This function sets up the appropriate owner and skill	274	* This function sets up the appropriate owner and skill
271	* pointers.	275	* pointers.
272	*/	276	*/
273		277	int
274	int fire_bolt(object *op,object *caster,int dir,object *spob, object *skill) {	278	fire_bolt (object *op, object *caster, int dir, object *spob, object *skill)
		279	{
275	object *tmp=NULL;	280	object *tmp = NULL;
276	int mflags;	281	int mflags;
277		282
278	if (!spob->other_arch)	283	if (!spob->other_arch)
279	return 0;	284	return 0;
280		285
281	tmp=arch_to_object(spob->other_arch);	286	tmp = arch_to_object (spob->other_arch);
282	if(tmp==NULL)	287	if (tmp == NULL)
283	return 0;	288	return 0;
284		289
285	/* peterm: level dependency for bolts */	290	/* peterm: level dependency for bolts */
286	tmp->stats.dam = spob->stats.dam + SP_level_dam_adjust(caster,spob);	291	tmp->stats.dam = spob->stats.dam + SP_level_dam_adjust (caster, spob);
287	tmp->attacktype = spob->attacktype;	292	tmp->attacktype = spob->attacktype;
288	if (spob->slaying) tmp->slaying = add_refcount(spob->slaying);	293	if (spob->slaying)
		294	tmp->slaying = spob->slaying;
289	tmp->range = spob->range + SP_level_range_adjust(caster,spob);	295	tmp->range = spob->range + SP_level_range_adjust (caster, spob);
290	tmp->duration = spob->duration + SP_level_duration_adjust(caster,spob);	296	tmp->duration = spob->duration + SP_level_duration_adjust (caster, spob);
291	tmp->stats.Dex = spob->stats.Dex;	297	tmp->stats.Dex = spob->stats.Dex;
292	tmp->stats.Con = spob->stats.Con;	298	tmp->stats.Con = spob->stats.Con;
293		299
294	tmp->direction=dir;	300	tmp->direction = dir;
295	if(QUERY_FLAG(tmp, FLAG_IS_TURNABLE))	301	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))
296	SET_ANIMATION(tmp, dir);	302	SET_ANIMATION (tmp, dir);
297		303
298	set_owner(tmp,op);	304	tmp->set_owner (op);
299	set_spell_skill(op, caster, spob, tmp);	305	set_spell_skill (op, caster, spob, tmp);
300		306
301	tmp->x=op->x + DIRX(tmp);	307	tmp->x = op->x + DIRX (tmp);
302	tmp->y=op->y + DIRY(tmp);	308	tmp->y = op->y + DIRY (tmp);
303	tmp->map = op->map;	309	tmp->map = op->map;
304		310
		311	maptile *newmap;
305	mflags = get_map_flags(tmp->map, &tmp->map, tmp->x, tmp->y, &tmp->x, &tmp->y);	312	mflags = get_map_flags (tmp->map, &newmap, tmp->x, tmp->y, &tmp->x, &tmp->y);
306	if (mflags & P_OUT_OF_MAP) {	313	if (mflags & P_OUT_OF_MAP)
307	free_object(tmp);
308	return 0;
309	}	314	{
		315	tmp->destroy ();
		316	return 0;
		317	}
		318
		319	tmp->map = newmap;
		320
310	if (OB_TYPE_MOVE_BLOCK(tmp, GET_MAP_MOVE_BLOCK(tmp->map, tmp->x, tmp->y))) {	321	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (tmp->map, tmp->x, tmp->y)))
		322	{
311	if(!QUERY_FLAG(tmp, FLAG_REFLECTING)) {	323	if (!QUERY_FLAG (tmp, FLAG_REFLECTING))
312	free_object(tmp);	324	{
		325	tmp->destroy ();
313	return 0;	326	return 0;
314	}	327	}
315	tmp->x=op->x;	328
316	tmp->y=op->y;	329	tmp->x = op->x;
		330	tmp->y = op->y;
317	tmp->direction=absdir(tmp->direction+4);	331	tmp->direction = absdir (tmp->direction + 4);
318	tmp->map = op->map;	332	tmp->map = op->map;
319	}	333	}
320	if ((tmp = insert_ob_in_map(tmp,tmp->map,op,0)) != NULL)	334
		335	if ((tmp = tmp->insert_at (tmp, op)))
321	move_bolt (tmp);	336	move_bolt (tmp);
		337
322	return 1;	338	return 1;
323	}	339	}
324
325
326		340
327	/***************************************************************************	341	/***************************************************************************
328	*	342	*
329	* BULLET/BALL CODE	343	* BULLET/BALL CODE
330	*	344	*
…		…
332		346
333	/* expands an explosion. op is a piece of the	347	/* expands an explosion. op is a piece of the
334	* explosion - this expans it in the different directions.	348	* explosion - this expans it in the different directions.
335	* At least that is what I think this does.	349	* At least that is what I think this does.
336	*/	350	*/
		351	void
337	void explosion(object *op) {	352	explosion (object *op)
338	object *tmp;	353	{
339	mapstruct *m=op->map;	354	maptile *m = op->map;
340	int i;	355	int i;
341		356
342	if(--(op->duration)<0) {	357	if (--op->duration < 0)
343	remove_ob(op);
344	free_object(op);
345	return;
346	}	358	{
		359	op->destroy ();
		360	return;
		361	}
		362
347	hit_map(op,0,op->attacktype,0);	363	hit_map (op, 0, op->attacktype, 0);
348		364
349	if(op->range>0) {	365	if (op->range > 0)
350	for(i=1;i<9;i++) {	366	{
		367	for (i = 1; i < 9; i++)
		368	{
351	sint16 dx,dy;	369	sint16 dx, dy;
352		370
353	dx=op->x+freearr_x[i];	371	dx = op->x + freearr_x[i];
354	dy=op->y+freearr_y[i];	372	dy = op->y + freearr_y[i];
		373
355	/* ok_to_put_more already does things like checks for walls,	374	/* ok_to_put_more already does things like checks for walls,
356	* out of map, etc.	375	* out of map, etc.
357	*/	376	*/
358	if(ok_to_put_more(op->map,dx,dy,op,op->attacktype)) {	377	if (ok_to_put_more (op->map, dx, dy, op, op->attacktype))
359	tmp=get_object();	378	{
360	copy_object(op,tmp);	379	object *tmp = op->clone ();
361	tmp->state=0;	380
362	tmp->speed_left= -0.21;	381	tmp->state = 0;
363	tmp->range--;	382	tmp->speed_left = -0.21f;
364	tmp->value=0;	383	tmp->range--;
365	tmp->x=dx;	384	tmp->value = 0;
366	tmp->y=dy;	385
367	insert_ob_in_map(tmp,m,op,0);	386	m->insert (tmp, dx, dy, op);
		387	}
		388	}
368	}	389	}
369	}
370	}
371	}	390	}
372
373		391
374	/* Causes an object to explode, eg, a firebullet,	392	/* Causes an object to explode, eg, a firebullet,
375	* poison cloud ball, etc. op is the object to	393	* poison cloud ball, etc. op is the object to
376	* explode.	394	* explode.
377	*/	395	*/
		396	void
378	void explode_bullet(object *op)	397	explode_bullet (object *op)
379	{	398	{
380	tag_t op_tag = op->count;
381	object *tmp, *owner;	399	object *tmp, *owner;
382		400
383	if (op->other_arch == NULL) {	401	if (op->other_arch == NULL)
		402	{
384	LOG (llevError, "BUG: explode_bullet(): op without other_arch\n");	403	LOG (llevError, "BUG: explode_bullet(): op without other_arch\n");
385	remove_ob (op);	404	op->destroy ();
386	free_object (op);	405	return;
387	return;
388	}	406	}
389		407
390	if (op->env) {	408	if (op->env)
391	object *env;	409	{
392
393	env = object_get_env_recursive(op);	410	object *env = object_get_env_recursive (op);
394	if (env->map == NULL || out_of_map (env->map, env->x, env->y)) {	411	if (env->map == NULL || out_of_map (env->map, env->x, env->y))
		412	{
395	LOG (llevError, "BUG: explode_bullet(): env out of map\n");	413	LOG (llevError, "BUG: explode_bullet(): env out of map\n");
396	remove_ob (op);	414	op->destroy ();
397	free_object (op);
398	return;	415	return;
399	}	416	}
400	remove_ob (op);	417
401	op->x = env->x;	418	op->insert_at (env, op, INS_NO_MERGE | INS_NO_WALK_ON);
402	op->y = env->y;	419	}
403	insert_ob_in_map(op, env->map, op, INS_NO_MERGE | INS_NO_WALK_ON);
404	} else if (out_of_map (op->map, op->x, op->y)) {	420	else if (out_of_map (op->map, op->x, op->y))
		421	{
405	LOG (llevError, "BUG: explode_bullet(): op out of map\n");	422	LOG (llevError, "BUG: explode_bullet(): op out of map\n");
406	remove_ob (op);	423	op->destroy ();
407	free_object (op);	424	return;
408	return;
409	}	425	}
410		426
		427	// elmex Tue Aug 15 17:46:51 CEST 2006: Prevent explosions of any kind on safe maps
		428	// NOTE: If this breaks something important: remove this. I can't think of anything
		429	// bad at the moment that might happen from this.
411	if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_SAFE_MAP)	430	if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_SAFE)
412	{	431	{
413	remove_ob (op);	432	op->destroy ();
414	free_object (op);	433	return;
		434	}
		435
		436	if (op->attacktype)
		437	{
		438	hit_map (op, 0, op->attacktype, 1);
		439	if (op->destroyed ())
415	return;	440	return;
416	}	441	}
417		442
418	if (op->attacktype) {
419	hit_map (op, 0, op->attacktype, 1);
420	if (was_destroyed (op, op_tag))
421	return;
422	}
423
424	/* other_arch contains what this explodes into */	443	/* other_arch contains what this explodes into */
425	tmp = arch_to_object (op->other_arch);	444	tmp = arch_to_object (op->other_arch);
426		445
427	copy_owner (tmp, op);	446	tmp->set_owner (op);
428	if (tmp->skill) FREE_AND_CLEAR_STR(tmp->skill);	447	tmp->skill = op->skill;
429	if (op->skill) tmp->skill = add_refcount(op->skill);
430		448
431	owner = get_owner(op);	449	owner = op->owner;
		450
432	if ((tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER) && owner &&	451	if ((tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER) && owner && !tailor_god_spell (tmp, owner))
433	!tailor_god_spell(tmp, owner)) {
434	remove_ob (op);
435	free_object (op);
436	return;
437	}	452	{
438	tmp->x = op->x;	453	op->destroy ();
439	tmp->y = op->y;	454	return;
		455	}
440		456
441	/* special for bombs - it actually has sane values for these */	457	/* special for bombs - it actually has sane values for these */
442	if (op->type == SPELL_EFFECT && op->subtype == SP_BOMB) {	458	if (op->type == SPELL_EFFECT && op->subtype == SP_BOMB)
		459	{
443	tmp->attacktype = op->attacktype;	460	tmp->attacktype = op->attacktype;
444	tmp->range = op->range;	461	tmp->range = op->range;
445	tmp->stats.dam = op->stats.dam;	462	tmp->stats.dam = op->stats.dam;
446	tmp->duration = op->duration;	463	tmp->duration = op->duration;
447	} else {	464	}
448	if (op->attacktype & AT_MAGIC) tmp->attacktype|=AT_MAGIC;	465	else
		466	{
		467	if (op->attacktype & AT_MAGIC)
		468	tmp->attacktype |= AT_MAGIC;
		469
449	/* Spell doc describes what is going on here */	470	/* Spell doc describes what is going on here */
450	tmp->stats.dam = op->dam_modifier;	471	tmp->stats.dam = op->dam_modifier;
451	tmp->range = op->stats.maxhp;	472	tmp->range = op->stats.maxhp;
452	tmp->duration = op->stats.hp;	473	tmp->duration = op->stats.hp;
453	/* Used for spell tracking - just need a unique val for this spell -	474	/* Used for spell tracking - just need a unique val for this spell -
454	* the count of the parent should work fine.	475	* the count of the parent should work fine.
455	*/	476	*/
456	tmp->stats.maxhp = op->count;	477	tmp->stats.maxhp = op->count;
457	}	478	}
458		479
459	/* Set direction of cone explosion */	480	/* Set direction of cone explosion */
460	if (tmp->type == SPELL_EFFECT && tmp->subtype == SP_CONE)	481	if (tmp->type == SPELL_EFFECT && tmp->subtype == SP_CONE)
461	tmp->stats.sp = op->direction;	482	tmp->stats.sp = op->direction;
462		483
463	/* Prevent recursion */	484	/* Prevent recursion */
464	op->move_on = 0;	485	op->move_on = 0;
465		486
466	insert_ob_in_map(tmp, op->map, op, 0);	487	tmp->insert_at (op, op);
467	/* remove the firebullet */	488	/* remove the firebullet */
468	if ( ! was_destroyed (op, op_tag)) {	489	op->destroy ();
469	remove_ob (op);
470	free_object (op);
471	}
472	}	490	}
473
474
475		491
476	/* checks to see what op should do, given the space it is on	492	/* checks to see what op should do, given the space it is on
477	* (eg, explode, damage player, etc)	493	* (eg, explode, damage player, etc)
478	*/	494	*/
479		495	void
480	void check_bullet(object *op)	496	check_bullet (object *op)
481	{	497	{
482	tag_t op_tag = op->count, tmp_tag;
483	object *tmp;	498	object *tmp;
484	int dam, mflags;	499	int dam, mflags;
485	mapstruct *m;	500	maptile *m;
486	sint16 sx, sy;	501	sint16 sx, sy;
487		502
488	mflags = get_map_flags(op->map,&m, op->x, op->y, &sx, &sy);	503	mflags = get_map_flags (op->map, &m, op->x, op->y, &sx, &sy);
489		504
490	if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK(op, GET_MAP_MOVE_BLOCK(m, sx, sy)))	505	if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, sx, sy)))
491	return;	506	return;
492		507
493	if (op->other_arch) {	508	if (op->other_arch)
		509	{
494	/* explode object will also remove op */	510	/* explode object will also remove op */
495	explode_bullet (op);	511	explode_bullet (op);
496	return;	512	return;
497	}	513	}
498		514
499	/* If nothing alive on this space, no reason to do anything further */	515	/* If nothing alive on this space, no reason to do anything further */
500	if (!(mflags & P_IS_ALIVE)) return;	516	if (!(mflags & P_IS_ALIVE))
		517	return;
501		518
502	for (tmp = get_map_ob (op->map,op->x,op->y); tmp != NULL; tmp = tmp->above)	519	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
503	{	520	{
504	if (QUERY_FLAG (tmp, FLAG_ALIVE)) {	521	if (QUERY_FLAG (tmp, FLAG_ALIVE))
505	tmp_tag = tmp->count;	522	{
506	dam = hit_player (tmp, op->stats.dam, op, op->attacktype, 1);	523	dam = hit_player (tmp, op->stats.dam, op, op->attacktype, 1);
507	if (was_destroyed (op, op_tag) || ! was_destroyed (tmp, tmp_tag)	524	if (op->destroyed () || !tmp->destroyed () || (op->stats.dam -= dam) < 0)
508	|| (op->stats.dam -= dam) < 0)
509	{	525	{
510	if(!QUERY_FLAG(op,FLAG_REMOVED)) {	526	if (!QUERY_FLAG (op, FLAG_REMOVED))
511	remove_ob (op);	527	{
512	free_object(op);	528	op->destroy ();
513	return;	529	return;
514	}	530	}
515	}	531	}
516	}	532	}
517	}	533	}
518	}	534	}
519
520		535
521	/* Basically, we move 'op' one square, and if it hits something,	536	/* Basically, we move 'op' one square, and if it hits something,
522	* call check_bullet.	537	* call check_bullet.
523	* This function is only applicable to bullets, but not to all	538	* This function is only applicable to bullets, but not to all
524	* fired arches (eg, bolts).	539	* fired arches (eg, bolts).
525	*/	540	*/
526		541	void
527	void move_bullet(object *op)	542	move_bullet (object *op)
528	{	543	{
529	sint16 new_x, new_y;	544	sint16 new_x, new_y;
530	int mflags;	545	int mflags;
531	mapstruct *m;	546	maptile *m;
532		547
533	#if 0	548	#if 0
534	/* We need a better general purpose way to do this */	549	/* We need a better general purpose way to do this */
535		550
536	/* peterm: added to make comet leave a trail of burnouts	551	/* peterm: added to make comet leave a trail of burnouts
537	it's an unadulterated hack, but the effect is cool. */	552	it's an unadulterated hack, but the effect is cool. */
538	if(op->stats.sp == SP_METEOR) {	553	if (op->stats.sp == SP_METEOR)
		554	{
539	replace_insert_ob_in_map("fire_trail",op);	555	replace_insert_ob_in_map ("fire_trail", op);
540	if (was_destroyed (op, op_tag))	556	if (op->destroyed ())
541	return;	557	return;
542	} /* end addition. */	558	} /* end addition. */
543	#endif	559	#endif
544		560
545	/* Reached the end of its life - remove it */	561	/* Reached the end of its life - remove it */
546	if (--op->range <=0) {	562	if (--op->range <= 0)
		563	{
547	if (op->other_arch) {	564	if (op->other_arch)
548	explode_bullet (op);	565	explode_bullet (op);
549	} else {	566	else
550	remove_ob (op);	567	op->destroy ();
551	free_object (op);	568
552	}
553	return;	569	return;
554	}	570	}
555		571
556	new_x = op->x + DIRX(op);	572	new_x = op->x + DIRX (op);
557	new_y = op->y + DIRY(op);	573	new_y = op->y + DIRY (op);
558	m = op->map;	574	m = op->map;
559	mflags = get_map_flags(m, &m, new_x, new_y, &new_x, &new_y);	575	mflags = get_map_flags (m, &m, new_x, new_y, &new_x, &new_y);
560		576
561	if (mflags & P_OUT_OF_MAP) {	577	if (mflags & P_OUT_OF_MAP)
562	remove_ob (op);	578	{
563	free_object (op);	579	op->destroy ();
564	return;	580	return;
565	}	581	}
566		582
567	if ( ! op->direction || OB_TYPE_MOVE_BLOCK(op, GET_MAP_MOVE_BLOCK(m, new_x, new_y))) {	583	if (!op->direction || OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, new_x, new_y)))
		584	{
568	if (op->other_arch) {	585	if (op->other_arch)
569	explode_bullet (op);	586	explode_bullet (op);
570	} else {	587	else
571	remove_ob (op);	588	op->destroy ();
572	free_object (op);	589
573	}
574	return;	590	return;
575	}	591	}
576		592
577	remove_ob (op);	593	if (!(op = m->insert (op, new_x, new_y, op)))
578	op->x = new_x;
579	op->y = new_y;
580	if ((op = insert_ob_in_map (op, m, op,0)) == NULL)
581	return;	594	return;
582		595
583	if (reflwall (op->map, op->x, op->y, op)) {	596	if (reflwall (op->map, op->x, op->y, op))
		597	{
584	op->direction = absdir (op->direction + 4);	598	op->direction = absdir (op->direction + 4);
585	update_turn_face (op);	599	update_turn_face (op);
586	} else {	600	}
		601	else
587	check_bullet (op);	602	check_bullet (op);
588	}
589	}	603	}
590
591
592
593		604
594	/* fire_bullet	605	/* fire_bullet
595	* object op (cast from caster) files a bolt in dir.	606	* object op (cast from caster) files a bolt in dir.
596	* spob is the spell object for the bolt.	607	* spob is the spell object for the bolt.
597	* we remove the magic flag - that can be derived from	608	* we remove the magic flag - that can be derived from
598	* spob->attacktype.	609	* spob->attacktype.
599	* This function sets up the appropriate owner and skill	610	* This function sets up the appropriate owner and skill
600	* pointers.	611	* pointers.
601	*/	612	*/
602		613	int
603	int fire_bullet(object *op,object *caster,int dir,object *spob) {	614	fire_bullet (object *op, object *caster, int dir, object *spob)
		615	{
604	object *tmp=NULL;	616	object *tmp = NULL;
605	int mflags;	617	int mflags;
606		618
607	if (!spob->other_arch)	619	if (!spob->other_arch)
608	return 0;	620	return 0;
609		621
610	tmp=arch_to_object(spob->other_arch);	622	tmp = arch_to_object (spob->other_arch);
611	if(tmp==NULL)	623	if (tmp == NULL)
612	return 0;	624	return 0;
613		625
614	/* peterm: level dependency for bolts */	626	/* peterm: level dependency for bolts */
615	tmp->stats.dam = spob->stats.dam + SP_level_dam_adjust(caster,spob);	627	tmp->stats.dam = spob->stats.dam + SP_level_dam_adjust (caster, spob);
616	tmp->attacktype = spob->attacktype;	628	tmp->attacktype = spob->attacktype;
617	if (spob->slaying) tmp->slaying = add_refcount(spob->slaying);	629	if (spob->slaying)
		630	tmp->slaying = spob->slaying;
618		631
619	tmp->range = 50;	632	tmp->range = 50;
620		633
621	/* Need to store duration/range for the ball to use */	634	/* Need to store duration/range for the ball to use */
622	tmp->stats.hp = spob->duration + SP_level_duration_adjust(caster,spob);	635	tmp->stats.hp = spob->duration + SP_level_duration_adjust (caster, spob);
623	tmp->stats.maxhp = spob->range + SP_level_range_adjust(caster,spob);	636	tmp->stats.maxhp = spob->range + SP_level_range_adjust (caster, spob);
624	tmp->dam_modifier = spob->stats.food + SP_level_dam_adjust(caster,spob);	637	tmp->dam_modifier = spob->stats.food + SP_level_dam_adjust (caster, spob);
625		638
626	tmp->direction=dir;	639	tmp->direction = dir;
627	if(QUERY_FLAG(tmp, FLAG_IS_TURNABLE))	640	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))
628	SET_ANIMATION(tmp, dir);	641	SET_ANIMATION (tmp, dir);
629		642
630	set_owner(tmp,op);	643	tmp->set_owner (op);
631	set_spell_skill(op, caster, spob, tmp);	644	set_spell_skill (op, caster, spob, tmp);
632		645
633	tmp->x=op->x + freearr_x[dir];	646	tmp->x = op->x + freearr_x[dir];
634	tmp->y=op->y + freearr_y[dir];	647	tmp->y = op->y + freearr_y[dir];
635	tmp->map = op->map;	648	tmp->map = op->map;
636		649
		650	maptile *newmap;
637	mflags = get_map_flags(tmp->map, &tmp->map, tmp->x, tmp->y, &tmp->x, &tmp->y);	651	mflags = get_map_flags (tmp->map, &newmap, tmp->x, tmp->y, &tmp->x, &tmp->y);
638	if (mflags & P_OUT_OF_MAP) {	652	if (mflags & P_OUT_OF_MAP)
639	free_object(tmp);
640	return 0;
641	}	653	{
		654	tmp->destroy ();
		655	return 0;
		656	}
		657
		658	tmp->map = newmap;
		659
642	if (OB_TYPE_MOVE_BLOCK(tmp, GET_MAP_MOVE_BLOCK(tmp->map, tmp->x, tmp->y))) {	660	if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (tmp->map, tmp->x, tmp->y)))
		661	{
643	if(!QUERY_FLAG(tmp, FLAG_REFLECTING)) {	662	if (!QUERY_FLAG (tmp, FLAG_REFLECTING))
644	free_object(tmp);	663	{
		664	tmp->destroy ();
645	return 0;	665	return 0;
646	}	666	}
647	tmp->x=op->x;	667
648	tmp->y=op->y;	668	tmp->x = op->x;
		669	tmp->y = op->y;
649	tmp->direction=absdir(tmp->direction+4);	670	tmp->direction = absdir (tmp->direction + 4);
650	tmp->map = op->map;	671	tmp->map = op->map;
651	}	672	}
652	if ((tmp = insert_ob_in_map(tmp,tmp->map,op,0)) != NULL) {	673
		674	if ((tmp = tmp->insert_at (tmp, op)))
653	check_bullet (tmp);	675	check_bullet (tmp);
654	}	676
655	return 1;	677	return 1;
656	}	678	}
657
658
659
660		679
661	/*****************************************************************************	680	/*****************************************************************************
662	*	681	*
663	* CONE RELATED FUNCTIONS	682	* CONE RELATED FUNCTIONS
664	*	683	*
665	*****************************************************************************/	684	*****************************************************************************/
666		685
667
668	/* drops an object based on what is in the cone's "other_arch" */	686	/* drops an object based on what is in the cone's "other_arch" */
		687	void
669	void cone_drop(object *op) {	688	cone_drop (object *op)
		689	{
670	object *new_ob = arch_to_object(op->other_arch);	690	object *new_ob = arch_to_object (op->other_arch);
671		691
672	new_ob->x = op->x;
673	new_ob->y = op->y;
674	new_ob->level = op->level;	692	new_ob->level = op->level;
675	set_owner(new_ob,op->owner);	693	new_ob->set_owner (op->owner);
676		694
677	/* preserve skill ownership */	695	/* preserve skill ownership */
678	if(op->skill && op->skill != new_ob->skill) {	696	if (op->skill && op->skill != new_ob->skill)
679	if (new_ob->skill) free_string(new_ob->skill);	697	new_ob->skill = op->skill;
680	new_ob->skill = add_refcount(op->skill);	698
681	}	699	new_ob->insert_at (op, op);
682	insert_ob_in_map(new_ob,op->map,op,0);
683
684	}	700	}
685		701
686	/* move_cone: causes cone object 'op' to move a space/hit creatures */	702	/* move_cone: causes cone object 'op' to move a space/hit creatures */
687		703
		704	void
688	void move_cone(object *op) {	705	move_cone (object *op)
		706	{
689	int i;	707	int i;
690	tag_t tag;
691		708
692	/* if no map then hit_map will crash so just ignore object */	709	/* if no map then hit_map will crash so just ignore object */
693	if (! op->map) {	710	if (!op->map)
694	LOG(llevError,"Tried to move_cone object %s without a map.\n",
695	op->name ? op->name : "unknown");
696	op->speed = 0;
697	update_ob_speed (op);
698	return;
699	}	711	{
		712	LOG (llevError, "Tried to move_cone object %s without a map.\n", op->name ? &op->name : "unknown");
		713	op->set_speed (0);
		714	return;
		715	}
700		716
701	/* lava saves it's life, but not yours :) */	717	/* lava saves it's life, but not yours :) */
702	if (QUERY_FLAG(op, FLAG_LIFESAVE)) {	718	if (QUERY_FLAG (op, FLAG_LIFESAVE))
		719	{
703	hit_map(op,0,op->attacktype,0);	720	hit_map (op, 0, op->attacktype, 0);
704	return;	721	return;
705	}	722	}
706		723
707	#if 0	724	#if 0
708	/* Disable this - enabling it makes monsters easier, as	725	/* Disable this - enabling it makes monsters easier, as
709	* when their cone dies when they die.	726	* when their cone dies when they die.
710	*/	727	*/
711	/* If no owner left, the spell dies out. */	728	/* If no owner left, the spell dies out. */
712	if(get_owner(op)==NULL) {	729	if (op->owner == NULL)
713	remove_ob(op);	730	{
714	free_object(op);	731	op->destroy ();
715	return;	732	return;
716	}	733	}
717	#endif	734	#endif
718		735
719	tag = op->count;
720	hit_map(op,0,op->attacktype,0);	736	hit_map (op, 0, op->attacktype, 0);
721		737
722	/* Check to see if we should push anything.	738	/* Check to see if we should push anything.
723	* Spell objects with weight push whatever they encounter to some	739	* Spell objects with weight push whatever they encounter to some
724	* degree.	740	* degree.
725	*/	741	*/
		742	if (op->weight)
726	if(op->weight) check_spell_knockback(op);	743	check_spell_knockback (op);
727		744
728	if (was_destroyed (op, tag))	745	if (op->destroyed ())
		746	return;
		747
		748	if ((op->duration--) < 0)
		749	{
		750	op->destroy ();
729	return;	751	return;
730
731	if((op->duration--)<0) {
732	remove_ob(op);
733	free_object(op);
734	return;
735	}	752	}
736	/* Object has hit maximum range, so don't have it move	753	/* Object has hit maximum range, so don't have it move
737	* any further. When the duration above expires,	754	* any further. When the duration above expires,
738	* then the object will get removed.	755	* then the object will get removed.
739	*/	756	*/
740	if (--op->range < 0) {	757	if (--op->range < 0)
741	op->range=0; /* just so it doesn't wrap */
742	return;
743	}	758	{
		759	op->range = 0; /* just so it doesn't wrap */
		760	return;
		761	}
744		762
745	for(i= -1;i<2;i++) {	763	for (i = -1; i < 2; i++)
746	sint16 x=op->x+freearr_x[absdir(op->stats.sp+i)],	764	{
747	y=op->y+freearr_y[absdir(op->stats.sp+i)];	765	sint16 x = op->x + freearr_x[absdir (op->stats.sp + i)], y = op->y + freearr_y[absdir (op->stats.sp + i)];
748		766
749	if(ok_to_put_more(op->map,x,y,op,op->attacktype)) {	767	if (ok_to_put_more (op->map, x, y, op, op->attacktype))
750	object *tmp=get_object();	768	{
751	copy_object(op, tmp);	769	object *tmp = op->clone ();
752	tmp->x=x;
753	tmp->y=y;
754		770
755	tmp->duration = op->duration + 1;	771	tmp->duration = op->duration + 1;
756		772
757	/* Use for spell tracking - see ok_to_put_more() */	773	/* Use for spell tracking - see ok_to_put_more() */
758	tmp->stats.maxhp = op->stats.maxhp;	774	tmp->stats.maxhp = op->stats.maxhp;
759	insert_ob_in_map(tmp,op->map,op,0);	775
760	if (tmp->other_arch) cone_drop(tmp);	776	op->map->insert (tmp, x, y, op);
761	}	777
		778	if (tmp->other_arch)
		779	cone_drop (tmp);
		780	}
762	}	781	}
763	}	782	}
764		783
765	/* cast_cone: casts a cone spell.	784	/* cast_cone: casts a cone spell.
766	* op: person firing the object.	785	* op: person firing the object.
…		…
768	* dir: direction to fire in.	787	* dir: direction to fire in.
769	* spell: spell that is being fired. It uses other_arch for the archetype	788	* spell: spell that is being fired. It uses other_arch for the archetype
770	* to fire.	789	* to fire.
771	* returns 0 on failure, 1 on success.	790	* returns 0 on failure, 1 on success.
772	*/	791	*/
		792	int
773	int cast_cone(object *op, object *caster,int dir, object *spell)	793	cast_cone (object *op, object *caster, int dir, object *spell)
774	{	794	{
775	object *tmp;	795	object *tmp;
776	int i,success=0,range_min= -1,range_max=1;	796	int i, success = 0, range_min = -1, range_max = 1;
777	mapstruct *m;	797	maptile *m;
778	sint16 sx, sy;	798	sint16 sx, sy;
779	MoveType movetype;	799	MoveType movetype;
780		800
781	if (!spell->other_arch) return 0;	801	if (!spell->other_arch)
782
783	if (op->type == PLAYER && QUERY_FLAG(op, FLAG_UNDEAD) &&
784	op->attacktype & AT_TURN_UNDEAD) {
785	new_draw_info(NDI_UNIQUE, 0,op,
786	"Your undead nature prevents you from turning undead!");
787	return 0;	802	return 0;
		803
		804	if (op->type == PLAYER && QUERY_FLAG (op, FLAG_UNDEAD) && op->attacktype & AT_TURN_UNDEAD)
788	}	805	{
		806	new_draw_info (NDI_UNIQUE, 0, op, "Your undead nature prevents you from turning undead!");
		807	return 0;
		808	}
789		809
790	if(!dir) {	810	if (!dir)
791	range_min= 0;
792	range_max=8;
793	}	811	{
		812	range_min = 0;
		813	range_max = 8;
		814	}
794		815
795	/* Need to know what the movetype of the object we are about	816	/* Need to know what the movetype of the object we are about
796	* to create is, so we can know if the space we are about to	817	* to create is, so we can know if the space we are about to
797	* insert it into is blocked.	818	* insert it into is blocked.
798	*/	819	*/
799	movetype = spell->other_arch->clone.move_type;	820	movetype = spell->other_arch->move_type;
800		821
801	for(i=range_min;i<=range_max;i++) {	822	for (i = range_min; i <= range_max; i++)
		823	{
802	sint16 x,y, d;	824	sint16 x, y, d;
803		825
804	/* We can't use absdir here, because it never returns	826	/* We can't use absdir here, because it never returns
805	* 0. If this is a rune, we want to hit the person on top	827	* 0. If this is a rune, we want to hit the person on top
806	* of the trap (d==0). If it is not a rune, then we don't want	828	* of the trap (d==0). If it is not a rune, then we don't want
807	* to hit that person.	829	* to hit that person.
808	*/	830	*/
809	d = dir + i;	831	d = dir + i;
810	while (d < 0) d+=8;	832	while (d < 0)
811	while (d > 8) d-=8;	833	d += 8;
		834	while (d > 8)
		835	d -= 8;
812		836
813	/* If it's not a rune, we don't want to blast the caster.	837	/* If it's not a rune, we don't want to blast the caster.
814	* In that case, we have to see - if dir is specified,	838	* In that case, we have to see - if dir is specified,
815	* turn this into direction 8. If dir is not specified (all	839	* turn this into direction 8. If dir is not specified (all
816	* direction) skip - otherwise, one line would do more damage	840	* direction) skip - otherwise, one line would do more damage
817	* becase 0 direction will go through 9 directions - necessary	841	* becase 0 direction will go through 9 directions - necessary
818	* for the rune code.	842	* for the rune code.
819	*/	843	*/
820	if (caster->type != RUNE && d==0) {	844	if (caster->type != RUNE && d == 0)
821	if (dir!=0) d=8;	845	{
822	else continue;	846	if (dir != 0)
823	}	847	d = 8;
		848	else
		849	continue;
		850	}
824		851
825	x = op->x+freearr_x[d];	852	x = op->x + freearr_x[d];
826	y = op->y+freearr_y[d];	853	y = op->y + freearr_y[d];
827		854
828	if(get_map_flags(op->map, &m, x,y, &sx, &sy) & P_OUT_OF_MAP)	855	if (get_map_flags (op->map, &m, x, y, &sx, &sy) & P_OUT_OF_MAP)
829	continue;	856	continue;
830		857
831	if ((movetype & GET_MAP_MOVE_BLOCK(m, sx, sy)) == movetype)	858	if ((movetype & GET_MAP_MOVE_BLOCK (m, sx, sy)) == movetype)
832	continue;	859	continue;
833		860
834	success=1;	861	success = 1;
835	tmp=arch_to_object(spell->other_arch);	862	tmp = arch_to_object (spell->other_arch);
836	set_owner(tmp,op);	863	tmp->set_owner (op);
837	set_spell_skill(op, caster, spell, tmp);	864	set_spell_skill (op, caster, spell, tmp);
838	tmp->level = caster_level (caster, spell);	865	tmp->level = caster_level (caster, spell);
839	tmp->x = sx;
840	tmp->y = sy;
841	tmp->attacktype=spell->attacktype;	866	tmp->attacktype = spell->attacktype;
842		867
843	/* holy word stuff */	868	/* holy word stuff */
844	if((tmp->attacktype & AT_HOLYWORD) || (tmp->attacktype & AT_GODPOWER)) {	869	if ((tmp->attacktype & AT_HOLYWORD) || (tmp->attacktype & AT_GODPOWER))
845	if(!tailor_god_spell(tmp,op)) return 0;	870	if (!tailor_god_spell (tmp, op))
846	}	871	return 0;
847		872
848	if(dir)	873	if (dir)
849	tmp->stats.sp=dir;	874	tmp->stats.sp = dir;
850	else	875	else
851	tmp->stats.sp=i;	876	tmp->stats.sp = i;
852		877
853	tmp->range=spell->range + SP_level_range_adjust(caster,spell);	878	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
854		879
855	/* If casting it in all directions, it doesn't go as far */	880	/* If casting it in all directions, it doesn't go as far */
856	if (dir == 0) {	881	if (dir == 0)
		882	{
857	tmp->range /= 4;	883	tmp->range /= 4;
858	if (tmp->range < 2 && spell->range >=2) tmp->range = 2;	884	if (tmp->range < 2 && spell->range >= 2)
859	}	885	tmp->range = 2;
		886	}
		887
860	tmp->stats.dam=spell->stats.dam + SP_level_dam_adjust(caster,spell);	888	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
861	tmp->duration=spell->duration + SP_level_duration_adjust(caster,spell);	889	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
862		890
863	/* Special bonus for fear attacks */	891	/* Special bonus for fear attacks */
864	if (tmp->attacktype & AT_FEAR) {	892	if (tmp->attacktype & AT_FEAR)
865	if (caster->type == PLAYER) tmp->duration += fear_bonus[caster->stats.Cha];	893	{
866	else	894	if (caster->type == PLAYER)
		895	tmp->duration += fear_bonus[caster->stats.Cha];
		896	else
867	tmp->duration += caster->level/3;	897	tmp->duration += caster->level / 3;
868	}	898	}
		899
869	if (tmp->attacktype & (AT_HOLYWORD | AT_TURN_UNDEAD)) {	900	if (tmp->attacktype & (AT_HOLYWORD | AT_TURN_UNDEAD))
870	if (caster->type == PLAYER) tmp->duration += turn_bonus[caster->stats.Wis]/5;	901	{
871	else	902	if (caster->type == PLAYER)
		903	tmp->duration += turn_bonus[caster->stats.Wis] / 5;
		904	else
872	tmp->duration += caster->level/3;	905	tmp->duration += caster->level / 3;
873	}	906	}
874		907
875
876	if ( !(tmp->move_type & MOVE_FLY_LOW))	908	if (!(tmp->move_type & MOVE_FLY_LOW))
877	LOG (llevDebug, "cast_cone(): arch %s doesn't have flying 1\n",	909	LOG (llevDebug, "cast_cone(): arch %s doesn't have flying 1\n", &spell->other_arch->archname);
878	spell->other_arch->name);
879		910
880	if (!tmp->move_on && tmp->stats.dam) {	911	if (!tmp->move_on && tmp->stats.dam)
881	LOG (llevDebug,	912	LOG (llevDebug, "cast_cone(): arch %s doesn't have move_on set\n", &spell->other_arch->archname);
882	"cast_cone(): arch %s doesn't have move_on set\n",
883	spell->other_arch->name);
884	}
885	insert_ob_in_map(tmp,m,op,0);
886		913
		914	m->insert (tmp, sx, sy, op);
		915
887	/* This is used for tracking spells so that one effect doesn't hit	916	/* This is used for tracking spells so that one effect doesn't hit
888	* a single space too many times.	917	* a single space too many times.
889	*/	918	*/
890	tmp->stats.maxhp = tmp->count;	919	tmp->stats.maxhp = tmp->count;
891		920
892	if(tmp->other_arch) cone_drop(tmp);	921	if (tmp->other_arch)
		922	cone_drop (tmp);
893	}	923	}
		924
894	return success;	925	return success;
895	}	926	}
896		927
897	/****************************************************************************	928	/****************************************************************************
898	*	929	*
899	* BOMB related code	930	* BOMB related code
900	*	931	*
901	****************************************************************************/	932	****************************************************************************/
902		933
903
904	/* This handles an exploding bomb.	934	/* This handles an exploding bomb.
905	* op is the original bomb object.	935	* op is the original bomb object.
906	*/	936	*/
		937	void
907	void animate_bomb(object *op) {	938	animate_bomb (object *op)
		939	{
908	int i;	940	int i;
909	object *env, *tmp;	941	object *env, *tmp;
910	archetype *at;
911		942
912	if(op->state!=NUM_ANIMATIONS(op)-1)	943	if (op->state != NUM_ANIMATIONS (op) - 1)
913	return;	944	return;
914		945
915	env = object_get_env_recursive(op);	946	env = object_get_env_recursive (op);
916		947
917	if (op->env) {	948	if (op->env)
		949	{
918	if (env->map == NULL)	950	if (env->map == NULL)
919	return;	951	return;
920		952
921	if (env->type == PLAYER)	953	if (env->type == PLAYER)
922	esrv_del_item(env->contr, op->count);	954	esrv_del_item (env->contr, op->count);
923		955
924	remove_ob(op);	956	if (!(op = op->insert_at (env, op)))
925	op->x = env->x;	957	return;
926	op->y = env->y;	958	}
927	if ((op = insert_ob_in_map (op, env->map, op,0)) == NULL)	959
		960	// elmex Tue Aug 15 17:46:51 CEST 2006: Prevent bomb from exploding
		961	// on a safe map. I don't like this special casing, but it seems to be neccessary
		962	// as bombs can be carried.
		963	if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_SAFE)
		964	{
		965	op->destroy ();
928	return;	966	return;
929	}	967	}
930		968
931	/* This copies a lot of the code from the fire bullet,	969	/* This copies a lot of the code from the fire bullet,
932	* but using the cast_bullet isn't really feasible,	970	* but using the cast_bullet isn't really feasible,
933	* so just set up the appropriate values.	971	* so just set up the appropriate values.
934	*/	972	*/
935	at = find_archetype(SPLINT);	973	if (archetype *at = archetype::find (SPLINT))
936	if (at) {	974	{
937	for(i=1;i<9;i++) {	975	for (i = 1; i < 9; i++)
		976	{
938	if (out_of_map(op->map, op->x + freearr_x[i], op->y + freearr_x[i]))	977	if (out_of_map (op->map, op->x + freearr_x[i], op->y + freearr_x[i]))
939	continue;	978	continue;
		979
940	tmp = arch_to_object(at);	980	tmp = arch_to_object (at);
941	tmp->direction = i;	981	tmp->direction = i;
942	tmp->range = op->range;	982	tmp->range = op->range;
943	tmp->stats.dam = op->stats.dam;	983	tmp->stats.dam = op->stats.dam;
944	tmp->duration = op->duration;	984	tmp->duration = op->duration;
945	tmp->attacktype = op->attacktype;	985	tmp->attacktype = op->attacktype;
946	copy_owner (tmp, op);	986	tmp->set_owner (op);
947	if(op->skill && op->skill != tmp->skill) {	987	if (op->skill && op->skill != tmp->skill)
948	if (tmp->skill) free_string(tmp->skill);	988	tmp->skill = op->skill;
949	tmp->skill = add_refcount(op->skill);	989
		990	if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE))
		991	SET_ANIMATION (tmp, i);
		992
		993	op->map->insert (tmp, op->x + freearr_x[i], op->y + freearr_x[i], op);
		994	move_bullet (tmp);
		995	}
950	}	996	}
951	if(QUERY_FLAG(tmp, FLAG_IS_TURNABLE))
952	SET_ANIMATION(tmp, i);
953	tmp->x = op->x + freearr_x[i];
954	tmp->y = op->y + freearr_x[i];
955	insert_ob_in_map(tmp, op->map, op, 0);
956	move_bullet(tmp);
957	}
958	}
959		997
960	explode_bullet(op);	998	explode_bullet (op);
961	}	999	}
962		1000
		1001	int
963	int create_bomb(object *op,object *caster,int dir, object *spell) {	1002	create_bomb (object *op, object *caster, int dir, object *spell)
		1003	{
964		1004
965	object *tmp;	1005	object *tmp;
966	int mflags;	1006	int mflags;
967	sint16 dx=op->x+freearr_x[dir], dy=op->y+freearr_y[dir];	1007	sint16 dx = op->x + freearr_x[dir], dy = op->y + freearr_y[dir];
968	mapstruct *m;	1008	maptile *m;
969		1009
970	mflags = get_map_flags(op->map, &m, dx,dy, &dx,&dy);	1010	mflags = get_map_flags (op->map, &m, dx, dy, &dx, &dy);
971	if ((mflags & P_OUT_OF_MAP) || (GET_MAP_MOVE_BLOCK(m, dx, dy) & MOVE_WALK)) {	1011	if ((mflags & P_OUT_OF_MAP) || (GET_MAP_MOVE_BLOCK (m, dx, dy) & MOVE_WALK))
		1012	{
972	new_draw_info(NDI_UNIQUE, 0,op,"There is something in the way.");	1013	new_draw_info (NDI_UNIQUE, 0, op, "There is something in the way.");
973	return 0;	1014	return 0;
974	}	1015	}
975	tmp=arch_to_object(spell->other_arch);	1016	tmp = arch_to_object (spell->other_arch);
976		1017
977	/* level dependencies for bomb */	1018	/* level dependencies for bomb */
978	tmp->range=spell->range + SP_level_range_adjust(caster,spell);	1019	tmp->range = spell->range + SP_level_range_adjust (caster, spell);
979	tmp->stats.dam=spell->stats.dam + SP_level_dam_adjust(caster,spell);	1020	tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
980	tmp->duration = spell->duration + SP_level_duration_adjust(caster,spell);	1021	tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell);
981	tmp->attacktype = spell->attacktype;	1022	tmp->attacktype = spell->attacktype;
982		1023
983	set_owner(tmp,op);	1024	tmp->set_owner (op);
984	set_spell_skill(op, caster, spell, tmp);	1025	set_spell_skill (op, caster, spell, tmp);
985	tmp->x=dx;	1026
986	tmp->y=dy;	1027	m->insert (tmp, dx, dy, op);
987	insert_ob_in_map(tmp,m,op,0);
988	return 1;	1028	return 1;
989	}	1029	}
990		1030
991	/****************************************************************************	1031	/****************************************************************************
992	*	1032	*
993	* smite related spell code.	1033	* smite related spell code.
…		…
1001	* dir is the direction to look in.	1041	* dir is the direction to look in.
1002	* range is how far out to look.	1042	* range is how far out to look.
1003	* type is the type of spell - either SPELL_MANA or SPELL_GRACE.	1043	* type is the type of spell - either SPELL_MANA or SPELL_GRACE.
1004	* this info is used for blocked magic/unholy spaces.	1044	* this info is used for blocked magic/unholy spaces.
1005	*/	1045	*/
1006		1046	object *
1007	object *get_pointed_target(object *op, int dir, int range, int type) {	1047	get_pointed_target (object *op, int dir, int range, int type)
		1048	{
1008	object *target;	1049	object *target;
1009	sint16 x,y;	1050	sint16 x, y;
1010	int dist, mflags;	1051	int dist, mflags;
1011	mapstruct *mp;	1052	maptile *mp;
1012		1053
1013	if (dir==0) return NULL;	1054	if (dir == 0)
1014
1015	for (dist=1; dist<range; dist++) {
1016	x = op->x + freearr_x[dir] * dist;
1017	y = op->y + freearr_y[dir] * dist;
1018	mp = op->map;
1019	mflags = get_map_flags(op->map, &mp, x, y, &x, &y);
1020
1021	if (mflags & P_OUT_OF_MAP) return NULL;
1022	if ((type & SPELL_MANA) && (mflags & P_NO_MAGIC)) return NULL;
1023	if ((type & SPELL_GRACE) && (mflags & P_NO_CLERIC)) return NULL;
1024	if (GET_MAP_MOVE_BLOCK(mp, x, y) & MOVE_FLY_LOW) return NULL;
1025
1026	if (mflags & P_IS_ALIVE) {
1027	for(target=get_map_ob(mp,x,y); target; target=target->above) {
1028	if(QUERY_FLAG(target->head?target->head:target,FLAG_MONSTER)) {
1029	return target;
1030	}
1031	}
1032	}
1033	}
1034	return NULL;	1055	return NULL;
1035	}
1036		1056
		1057	for (dist = 1; dist < range; dist++)
		1058	{
		1059	x = op->x + freearr_x[dir] * dist;
		1060	y = op->y + freearr_y[dir] * dist;
		1061	mp = op->map;
		1062	mflags = get_map_flags (op->map, &mp, x, y, &x, &y);
		1063
		1064	if (mflags & P_OUT_OF_MAP)
		1065	return NULL;
		1066	if ((type & SPELL_MANA) && (mflags & P_NO_MAGIC))
		1067	return NULL;
		1068	if ((type & SPELL_GRACE) && (mflags & P_NO_CLERIC))
		1069	return NULL;
		1070	if (GET_MAP_MOVE_BLOCK (mp, x, y) & MOVE_FLY_LOW)
		1071	return NULL;
		1072
		1073	if (mflags & P_IS_ALIVE)
		1074	for (target = GET_MAP_OB (mp, x, y); target; target = target->above)
		1075	if (QUERY_FLAG (target, FLAG_MONSTER))
		1076	return target;
		1077	}
		1078
		1079	return NULL;
		1080	}
1037		1081
1038	/* cast_smite_arch() - the priest points to a creature and causes	1082	/* cast_smite_arch() - the priest points to a creature and causes
1039	* a 'godly curse' to decend.	1083	* a 'godly curse' to decend.
1040	* usual params -	1084	* usual params -
1041	* op = player	1085	* op = player
1042	* caster = object casting the spell.	1086	* caster = object casting the spell.
1043	* dir = direction being cast	1087	* dir = direction being cast
1044	* spell = spell object	1088	* spell = spell object
1045	*/	1089	*/
1046		1090
		1091	int
1047	int cast_smite_spell (object *op, object *caster,int dir, object *spell) {	1092	cast_smite_spell (object *op, object *caster, int dir, object *spell)
		1093	{
1048	object *effect, *target;	1094	object *effect, *target;
1049	object *god = find_god(determine_god(op));	1095	object *god = find_god (determine_god (op));
1050	int range;	1096	int range;
1051		1097
1052	range = spell->range + SP_level_range_adjust(caster,spell);	1098	range = spell->range + SP_level_range_adjust (caster, spell);
1053	target = get_pointed_target(op,dir, 50, spell->stats.grace?SPELL_GRACE:SPELL_MANA);	1099	target = get_pointed_target (op, dir, 50, spell->stats.grace ? SPELL_GRACE : SPELL_MANA);
1054		1100
1055	/* Bunch of conditions for casting this spell. Note that only	1101	/* Bunch of conditions for casting this spell. Note that only
1056	* require a god if this is a cleric spell (requires grace).	1102	* require a god if this is a cleric spell (requires grace).
1057	* This makes this spell much more general purpose - it can be used	1103	* This makes this spell much more general purpose - it can be used
1058	* by wizards also, which is good, because I think this is a very	1104	* by wizards also, which is good, because I think this is a very
1059	* interesting spell.	1105	* interesting spell.
1060	* if it is a cleric spell, you need a god, and the creature	1106	* if it is a cleric spell, you need a god, and the creature
1061	* can't be friendly to your god.	1107	* can't be friendly to your god.
1062	*/	1108	*/
1063		1109
1064	if(!target || QUERY_FLAG(target,FLAG_REFL_SPELL)	1110	if (!target || QUERY_FLAG (target, FLAG_REFL_SPELL)
1065	||(!god && spell->stats.grace)	1111	|| (!god && spell->stats.grace)
1066	||(target->title && god && !strcmp(target->title,god->name))	1112	|| (target->title && god && !strcmp (target->title, god->name)) || (target->race && god && strstr (target->race, god->race)))
1067	||(target->race && god && strstr(target->race,god->race))) {	1113	{
1068	new_draw_info(NDI_UNIQUE,0,op,"Your request is unheeded.");	1114	new_draw_info (NDI_UNIQUE, 0, op, "Your request is unheeded.");
1069	return 0;	1115	return 0;
1070	}	1116	}
1071		1117
1072	if (spell->other_arch)	1118	if (spell->other_arch)
1073	effect = arch_to_object(spell->other_arch);	1119	effect = arch_to_object (spell->other_arch);
1074	else	1120	else
1075	return 0;	1121	return 0;
1076		1122
1077	/* tailor the effect by priest level and worshipped God */	1123	/* tailor the effect by priest level and worshipped God */
1078	effect->level = caster_level (caster, spell);	1124	effect->level = caster_level (caster, spell);
1079	effect->attacktype = spell->attacktype;	1125	effect->attacktype = spell->attacktype;
1080	if (effect->attacktype & (AT_HOLYWORD | AT_GODPOWER)) {	1126	if (effect->attacktype & (AT_HOLYWORD | AT_GODPOWER))
		1127	{
1081	if(tailor_god_spell(effect,op))	1128	if (tailor_god_spell (effect, op))
1082	new_draw_info_format(NDI_UNIQUE,0,op,	1129	new_draw_info_format (NDI_UNIQUE, 0, op, "%s answers your call!", determine_god (op));
1083	"%s answers your call!",determine_god(op));
1084	else {	1130	else
		1131	{
1085	new_draw_info(NDI_UNIQUE,0,op,"Your request is ignored.");	1132	new_draw_info (NDI_UNIQUE, 0, op, "Your request is ignored.");
1086	return 0;	1133	return 0;
1087	}	1134	}
1088	}	1135	}
1089		1136
1090	/* size of the area of destruction */	1137	/* size of the area of destruction */
1091	effect->range=spell->range +	1138	effect->range = spell->range + SP_level_range_adjust (caster, spell);
1092	SP_level_range_adjust(caster,spell);	1139	effect->duration = spell->duration + SP_level_range_adjust (caster, spell);
1093	effect->duration=spell->duration +
1094	SP_level_range_adjust(caster,spell);
1095		1140
1096	if (effect->attacktype & AT_DEATH) {	1141	if (effect->attacktype & AT_DEATH)
1097	effect->level=spell->stats.dam +	1142	{
1098	SP_level_dam_adjust(caster,spell);	1143	effect->level = spell->stats.dam + SP_level_dam_adjust (caster, spell);
1099		1144
1100	/* casting death spells at undead isn't a good thing */	1145	/* casting death spells at undead isn't a good thing */
1101	if QUERY_FLAG(target, FLAG_UNDEAD) {	1146	if (QUERY_FLAG (target, FLAG_UNDEAD))
		1147	{
1102	if(random_roll(0, 2, op, PREFER_LOW)) {	1148	if (random_roll (0, 2, op, PREFER_LOW))
		1149	{
1103	new_draw_info(NDI_UNIQUE,0,op,"Idiot! Your spell boomerangs!");	1150	new_draw_info (NDI_UNIQUE, 0, op, "Idiot! Your spell boomerangs!");
1104	effect->x=op->x;	1151	effect->x = op->x;
1105	effect->y=op->y;	1152	effect->y = op->y;
1106	} else {	1153	}
1107	new_draw_info_format(NDI_UNIQUE,0,op,"The %s looks stronger!",	1154	else
1108	query_name(target));	1155	{
		1156	new_draw_info_format (NDI_UNIQUE, 0, op, "The %s looks stronger!", query_name (target));
1109	target->stats.hp = target->stats.maxhp*2;	1157	target->stats.hp = target->stats.maxhp * 2;
1110	free_object(effect);	1158	effect->destroy ();
1111	return 0;	1159	return 0;
		1160	}
		1161	}
1112	}	1162	}
1113	}	1163	else
1114	} else {	1164	{
1115	/* how much woe to inflict :) */	1165	/* how much woe to inflict :) */
1116	effect->stats.dam=spell->stats.dam +	1166	effect->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
1117	SP_level_dam_adjust(caster,spell);
1118	}	1167	}
1119		1168
1120	set_owner(effect,op);	1169	effect->set_owner (op);
1121	set_spell_skill(op, caster, spell, effect);	1170	set_spell_skill (op, caster, spell, effect);
1122		1171
1123	/* ok, tell it where to be, and insert! */	1172	/* ok, tell it where to be, and insert! */
1124	effect->x=target->x;	1173	effect->insert_at (target, op);
1125	effect->y=target->y;	1174
1126	insert_ob_in_map(effect,target->map,op,0);
1127
1128	return 1;	1175	return 1;
1129	}	1176	}
1130		1177
1131		1178
1132	/****************************************************************************	1179	/****************************************************************************
1133	*	1180	*
…		…
1135	* note that the fire_bullet is used to fire the missile. The	1182	* note that the fire_bullet is used to fire the missile. The
1136	* code here is just to move the missile.	1183	* code here is just to move the missile.
1137	****************************************************************************/	1184	****************************************************************************/
1138		1185
1139	/* op is a missile that needs to be moved */	1186	/* op is a missile that needs to be moved */
		1187	void
1140	void move_missile(object *op) {	1188	move_missile (object *op)
		1189	{
1141	int i, mflags;	1190	int i, mflags;
1142	object *owner;	1191	object *owner;
1143	sint16 new_x, new_y;	1192	sint16 new_x, new_y;
1144	mapstruct *m;	1193	maptile *m;
1145		1194
1146	if (op->range-- <=0) {	1195	if (op->range-- <= 0)
1147	remove_ob(op);
1148	free_object(op);
1149	return;
1150	}	1196	{
		1197	op->destroy ();
		1198	return;
		1199	}
1151		1200
1152	owner = get_owner(op);	1201	owner = op->owner;
1153	#if 0	1202	#if 0
1154	/* It'd make things nastier if this wasn't here - spells cast by	1203	/* It'd make things nastier if this wasn't here - spells cast by
1155	* monster that are then killed would continue to survive	1204	* monster that are then killed would continue to survive
1156	*/	1205	*/
1157	if (owner == NULL) {	1206	if (owner == NULL)
1158	remove_ob(op);	1207	{
1159	free_object(op);	1208	op->destroy ();
1160	return;	1209	return;
1161	}	1210	}
1162	#endif	1211	#endif
1163		1212
1164	new_x = op->x + DIRX(op);	1213	new_x = op->x + DIRX (op);
1165	new_y = op->y + DIRY(op);	1214	new_y = op->y + DIRY (op);
1166		1215
1167	mflags = get_map_flags(op->map, &m, new_x, new_y, &new_x, &new_y);	1216	mflags = get_map_flags (op->map, &m, new_x, new_y, &new_x, &new_y);
1168		1217
1169	if (!(mflags & P_OUT_OF_MAP) &&
1170	((mflags & P_IS_ALIVE) || OB_TYPE_MOVE_BLOCK(op, GET_MAP_MOVE_BLOCK(m, new_x, new_y)))) {	1218	if (!(mflags & P_OUT_OF_MAP) && ((mflags & P_IS_ALIVE) || OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, new_x, new_y))))
1171	tag_t tag = op->count;	1219	{
1172	hit_map (op, op->direction, AT_MAGIC, 1);	1220	hit_map (op, op->direction, AT_MAGIC, 1);
1173	/* Basically, missile only hits one thing then goes away.	1221	/* Basically, missile only hits one thing then goes away.
1174	* we need to remove it if someone hasn't already done so.	1222	* we need to remove it if someone hasn't already done so.
1175	*/	1223	*/
1176	if ( ! was_destroyed (op, tag)) {	1224	if (!op->destroyed ())
1177	remove_ob (op);	1225	op->destroy ();
1178	free_object(op);
1179	}
1180	return;
1181	}
1182		1226
1183	remove_ob(op);	1227	return;
		1228	}
		1229
		1230	op->remove ();
		1231
1184	if ( ! op->direction || (mflags & P_OUT_OF_MAP)) {	1232	if (!op->direction || (mflags & P_OUT_OF_MAP))
1185	free_object(op);
1186	return;
1187	}	1233	{
1188	op->x = new_x;	1234	op->destroy ();
1189	op->y = new_y;	1235	return;
1190	op->map = m;	1236	}
1191	i=spell_find_dir(op->map, op->x, op->y, get_owner(op));	1237
		1238	i = spell_find_dir (m, new_x, new_y, op->owner);
1192	if(i > 0 && i != op->direction){	1239	if (i > 0 && i != op->direction)
		1240	{
1193	op->direction=i;	1241	op->direction = i;
1194	SET_ANIMATION(op, op->direction);	1242	SET_ANIMATION (op, op->direction);
1195	}	1243	}
1196	insert_ob_in_map(op,op->map,op,0);	1244
		1245	m->insert (op, new_x, new_y, op);
1197	}	1246	}
1198		1247
1199	/****************************************************************************	1248	/****************************************************************************
1200	* Destruction	1249	* Destruction
1201	****************************************************************************/	1250	****************************************************************************/
		1251
1202	/* make_object_glow() - currently only makes living objects glow.	1252	/* make_object_glow() - currently only makes living objects glow.
1203	* we do this by creating a force and inserting it in the	1253	* we do this by creating a force and inserting it in the
1204	* object. if time is 0, the object glows permanently. To truely	1254	* object. if time is 0, the object glows permanently. To truely
1205	* make this work for non-living objects, we would have to	1255	* make this work for non-living objects, we would have to
1206	* give them the capability to have an inventory. b.t.	1256	* give them the capability to have an inventory. b.t.
1207	*/	1257	*/
1208		1258
		1259	int
1209	int make_object_glow(object *op, int radius, int time) {	1260	make_object_glow (object *op, int radius, int time)
		1261	{
1210	object *tmp;	1262	object *tmp;
1211		1263
1212	/* some things are unaffected... */	1264	/* some things are unaffected... */
1213	if(op->path_denied&PATH_LIGHT)	1265	if (op->path_denied & PATH_LIGHT)
1214	return 0;	1266	return 0;
1215		1267
1216	tmp=get_archetype(FORCE_NAME);	1268	tmp = get_archetype (FORCE_NAME);
1217	tmp->speed = 0.01;	1269	tmp->speed = 0.01;
1218	tmp->stats.food = time;	1270	tmp->stats.food = time;
1219	SET_FLAG(tmp, FLAG_IS_USED_UP);	1271	SET_FLAG (tmp, FLAG_IS_USED_UP);
1220	tmp->glow_radius=radius;	1272	tmp->glow_radius = radius;
1221	if (tmp->glow_radius > MAX_LIGHT_RADII)	1273	if (tmp->glow_radius > MAX_LIGHT_RADII)
1222	tmp->glow_radius = MAX_LIGHT_RADII;	1274	tmp->glow_radius = MAX_LIGHT_RADII;
1223		1275
1224	tmp->x=op->x;	1276	tmp->x = op->x;
1225	tmp->y=op->y;	1277	tmp->y = op->y;
1226	if(tmp->speed<MIN_ACTIVE_SPEED) tmp->speed = MIN_ACTIVE_SPEED; /* safety */	1278	if (tmp->speed < MIN_ACTIVE_SPEED)
		1279	tmp->speed = MIN_ACTIVE_SPEED; /* safety */
1227	tmp=insert_ob_in_ob(tmp,op);	1280	tmp = insert_ob_in_ob (tmp, op);
1228	if (tmp->glow_radius > op->glow_radius)	1281	if (tmp->glow_radius > op->glow_radius)
1229	op->glow_radius = tmp->glow_radius;	1282	op->glow_radius = tmp->glow_radius;
1230		1283
1231	if(!tmp->env||op!=tmp->env) {	1284	if (!tmp->env || op != tmp->env)
		1285	{
1232	LOG(llevError,"make_object_glow() failed to insert glowing force in %s\n",	1286	LOG (llevError, "make_object_glow() failed to insert glowing force in %s\n", &op->name);
1233	op->name);	1287	return 0;
1234	return 0;
1235	}	1288	}
1236	return 1;	1289	return 1;
1237	}	1290	}
1238		1291
1239		1292	int
1240
1241
1242	int cast_destruction(object *op, object *caster, object *spell_ob) {	1293	cast_destruction (object *op, object *caster, object *spell_ob)
		1294	{
1243	int i,j, range, mflags, friendly=0, dam, dur;	1295	int i, j, range, mflags, friendly = 0, dam, dur;
1244	sint16 sx,sy;	1296	sint16 sx, sy;
1245	mapstruct *m;	1297	maptile *m;
1246	object *tmp;	1298	object *tmp;
1247	const char *skill;	1299	const char *skill;
1248		1300
1249	range = spell_ob->range + SP_level_range_adjust(caster, spell_ob);	1301	range = spell_ob->range + SP_level_range_adjust (caster, spell_ob);
1250	dam = spell_ob->stats.dam + SP_level_dam_adjust(caster, spell_ob);	1302	dam = spell_ob->stats.dam + SP_level_dam_adjust (caster, spell_ob);
1251	dur = spell_ob->duration + SP_level_duration_adjust(caster, spell_ob);	1303	dur = spell_ob->duration + SP_level_duration_adjust (caster, spell_ob);
1252	if (QUERY_FLAG(op, FLAG_FRIENDLY) || op->type == PLAYER) friendly=1;	1304	if (QUERY_FLAG (op, FLAG_FRIENDLY) || op->type == PLAYER)
		1305	friendly = 1;
1253		1306
1254	/* destruction doesn't use another spell object, so we need	1307	/* destruction doesn't use another spell object, so we need
1255	* update op's skill pointer so that exp is properly awarded.	1308	* update op's skill pointer so that exp is properly awarded.
1256	* We do some shortcuts here - since this is just temporary	1309	* We do some shortcuts here - since this is just temporary
1257	* and we'll reset the values back, we don't need to go through	1310	* and we'll reset the values back, we don't need to go through
1258	* the full share string/free_string route.	1311	* the full share string/free_string route.
1259	*/	1312	*/
1260	skill = op->skill;	1313	skill = op->skill;
		1314	if (caster == op)
1261	if (caster == op) op->skill = spell_ob->skill;	1315	op->skill = spell_ob->skill;
1262	else if (caster->skill) op->skill = caster->skill;	1316	else if (caster->skill)
		1317	op->skill = caster->skill;
		1318	else
1263	else op->skill = NULL;	1319	op->skill = NULL;
1264		1320
1265	change_skill(op, find_skill_by_name(op, op->skill), 1);	1321	op->change_skill (find_skill_by_name (op, op->skill));
1266		1322
1267	for(i= -range; i<range; i++) {	1323	for (i = -range; i < range; i++)
		1324	{
1268	for(j=-range; j<range ; j++) {	1325	for (j = -range; j < range; j++)
		1326	{
1269	m = op->map;	1327	m = op->map;
1270	sx = op->x + i;	1328	sx = op->x + i;
1271	sy = op->y + j;	1329	sy = op->y + j;
		1330
1272	mflags = get_map_flags(m, &m, sx, sy, &sx, &sy);	1331	mflags = get_map_flags (m, &m, sx, sy, &sx, &sy);
1273	if (mflags & P_OUT_OF_MAP) continue;	1332	if (mflags & P_OUT_OF_MAP)
		1333	continue;
		1334
1274	if (mflags & P_IS_ALIVE) {	1335	if (mflags & P_IS_ALIVE)
1275	for (tmp=get_map_ob(m, sx, sy); tmp; tmp=tmp->above) {	1336	{
		1337	for (tmp = GET_MAP_OB (m, sx, sy); tmp; tmp = tmp->above)
1276	if (QUERY_FLAG(tmp, FLAG_ALIVE) || tmp->type==PLAYER) break;	1338	if (QUERY_FLAG (tmp, FLAG_ALIVE) || tmp->type == PLAYER)
1277	}	1339	break;
1278	if (tmp) {
1279	if (tmp->head) tmp=tmp->head;
1280		1340
		1341	if (tmp)
		1342	{
		1343	if (tmp->head)
		1344	tmp = tmp->head;
		1345
1281	if ((friendly && !QUERY_FLAG(tmp, FLAG_FRIENDLY) && tmp->type!=PLAYER) ||	1346	if ((friendly && !QUERY_FLAG (tmp, FLAG_FRIENDLY) && tmp->type != PLAYER) ||
1282	(!friendly && (QUERY_FLAG(tmp, FLAG_FRIENDLY) || tmp->type==PLAYER))) {	1347	(!friendly && (QUERY_FLAG (tmp, FLAG_FRIENDLY) || tmp->type == PLAYER)))
1283	if (spell_ob->subtype == SP_DESTRUCTION) {	1348	{
		1349	if (spell_ob->subtype == SP_DESTRUCTION)
		1350	{
1284	hit_player(tmp,dam,op,spell_ob->attacktype,0);	1351	hit_player (tmp, dam, op, spell_ob->attacktype, 0);
1285	if (spell_ob->other_arch) {	1352	if (spell_ob->other_arch)
1286	tmp = arch_to_object(spell_ob->other_arch);	1353	m->insert (arch_to_object (spell_ob->other_arch), sx, sy, op);
1287	tmp->x = sx;	1354	}
1288	tmp->y = sy;	1355	else if (spell_ob->subtype == SP_FAERY_FIRE && tmp->resist[ATNR_MAGIC] != 100)
1289	insert_ob_in_map(tmp, m, op, 0);	1356	{
1290	}
1291	}
1292	else if (spell_ob->subtype == SP_FAERY_FIRE &&
1293	tmp->resist[ATNR_MAGIC]!=100) {
1294	if (make_object_glow(tmp, 1, dur) && spell_ob->other_arch) {	1357	if (make_object_glow (tmp, 1, dur) && spell_ob->other_arch)
1295	object *effect = arch_to_object(spell_ob->other_arch);	1358	m->insert (arch_to_object (spell_ob->other_arch), sx, sy, op);
1296	effect->x = sx;	1359	}
1297	effect->y = sy;	1360	}
1298	insert_ob_in_map(effect, m, op, 0);	1361	}
1299	}	1362	}
1300	}	1363	}
1301	}
1302	}
1303	}	1364	}
1304	}	1365
1305	}
1306	op->skill = skill;	1366	op->skill = skill;
1307	return 1;	1367	return 1;
1308	}	1368	}
1309		1369
1310	/***************************************************************************	1370	/***************************************************************************
1311	*	1371	*
1312	* CURSE	1372	* CURSE
1313	*	1373	*
1314	***************************************************************************/	1374	***************************************************************************/
1315		1375
		1376	int
1316	int cast_curse(object *op, object *caster, object *spell_ob, int dir) {	1377	cast_curse (object *op, object *caster, object *spell_ob, int dir)
		1378	{
1317	object *god = find_god(determine_god(op));	1379	object *god = find_god (determine_god (op));
1318	object *tmp, *force;	1380	object *tmp, *force;
1319		1381
1320	tmp = get_pointed_target(op, (dir==0)?op->direction:dir,	1382	tmp = get_pointed_target (op, (dir == 0) ? op->direction : dir, spell_ob->range, SPELL_GRACE);
1321	spell_ob->range, SPELL_GRACE);
1322	if (!tmp) {	1383	if (!tmp)
1323	new_draw_info(NDI_UNIQUE, 0, op,
1324	"There is no one in that direction to curse.");
1325	return 0;
1326	}	1384	{
		1385	new_draw_info (NDI_UNIQUE, 0, op, "There is no one in that direction to curse.");
		1386	return 0;
		1387	}
1327		1388
1328	/* If we've already got a force of this type, don't add a new one. */	1389	/* If we've already got a force of this type, don't add a new one. */
1329	for(force=tmp->inv; force!=NULL; force=force->below) {	1390	for (force = tmp->inv; force != NULL; force = force->below)
		1391	{
1330	if (force->type==FORCE && force->subtype == FORCE_CHANGE_ABILITY) {	1392	if (force->type == FORCE && force->subtype == FORCE_CHANGE_ABILITY)
		1393	{
1331	if (force->name == spell_ob->name) {	1394	if (force->name == spell_ob->name)
1332	break;	1395	{
1333	}	1396	break;
		1397	}
1334	else if (spell_ob->race && spell_ob->race == force->name) {	1398	else if (spell_ob->race && spell_ob->race == force->name)
1335	new_draw_info_format(NDI_UNIQUE, 0, op,	1399	{
1336	"You can not cast %s while %s is in effect",	1400	new_draw_info_format (NDI_UNIQUE, 0, op, "You can not cast %s while %s is in effect", &spell_ob->name, &force->name_pl);
1337	spell_ob->name, force->name_pl);	1401	return 0;
1338	return 0;	1402	}
		1403	}
1339	}	1404	}
1340	}
1341	}
1342		1405
1343	if(force==NULL) {	1406	if (force == NULL)
		1407	{
1344	force=get_archetype(FORCE_NAME);	1408	force = get_archetype (FORCE_NAME);
1345	force->subtype = FORCE_CHANGE_ABILITY;	1409	force->subtype = FORCE_CHANGE_ABILITY;
1346	free_string(force->name);
1347	if (spell_ob->race)	1410	if (spell_ob->race)
1348	force->name = add_refcount(spell_ob->race);	1411	force->name = spell_ob->race;
1349	else
1350	force->name = add_refcount(spell_ob->name);
1351	free_string(force->name_pl);
1352	force->name_pl = add_refcount(spell_ob->name);
1353
1354	} else {	1412	else
		1413	force->name = spell_ob->name;
		1414
		1415	force->name_pl = spell_ob->name;
		1416
		1417	}
		1418	else
		1419	{
1355	int duration;	1420	int duration;
1356		1421
1357	duration = spell_ob->duration + SP_level_duration_adjust(caster, spell_ob) * 50;	1422	duration = spell_ob->duration + SP_level_duration_adjust (caster, spell_ob) * 50;
1358	if (duration > force->duration) {	1423	if (duration > force->duration)
		1424	{
1359	force->duration = duration;	1425	force->duration = duration;
1360	new_draw_info(NDI_UNIQUE, 0, op, "You recast the spell while in effect.");	1426	new_draw_info (NDI_UNIQUE, 0, op, "You recast the spell while in effect.");
1361	} else {	1427	}
		1428	else
		1429	{
1362	new_draw_info(NDI_UNIQUE, 0, op, "Recasting the spell had no effect.");	1430	new_draw_info (NDI_UNIQUE, 0, op, "Recasting the spell had no effect.");
1363	}	1431	}
1364	return 1;	1432	return 1;
1365	}	1433	}
1366	force->duration = spell_ob->duration + SP_level_duration_adjust(caster, spell_ob) * 50;	1434	force->duration = spell_ob->duration + SP_level_duration_adjust (caster, spell_ob) * 50;
1367	force->speed = 1.0;	1435	force->speed = 1.f;
1368	force->speed_left = -1.0;	1436	force->speed_left = -1.f;
1369	SET_FLAG(force, FLAG_APPLIED);	1437	SET_FLAG (force, FLAG_APPLIED);
1370		1438
1371	if(god) {	1439	if (god)
		1440	{
1372	if (spell_ob->last_grace)	1441	if (spell_ob->last_grace)
1373	force->path_repelled=god->path_repelled;	1442	force->path_repelled = god->path_repelled;
1374	if (spell_ob->last_grace)	1443	if (spell_ob->last_grace)
1375	force->path_denied=god->path_denied;	1444	force->path_denied = god->path_denied;
1376	new_draw_info_format(NDI_UNIQUE, 0,tmp,	1445	new_draw_info_format (NDI_UNIQUE, 0, tmp, "You are a victim of %s's curse!", &god->name);
1377	"You are a victim of %s's curse!",god->name);	1446	}
1378	} else	1447	else
1379	new_draw_info(NDI_UNIQUE, 0,op,"Your curse seems empty.");	1448	new_draw_info (NDI_UNIQUE, 0, op, "Your curse seems empty.");
1380		1449
1381		1450
1382	if(tmp!=op && op->type==PLAYER)	1451	if (tmp != op && op->type == PLAYER)
1383	new_draw_info_format(NDI_UNIQUE, 0, op, "You curse %s!",tmp->name);	1452	new_draw_info_format (NDI_UNIQUE, 0, op, "You curse %s!", &tmp->name);
1384		1453
1385	force->stats.ac = spell_ob->stats.ac;	1454	force->stats.ac = spell_ob->stats.ac;
1386	force->stats.wc = spell_ob->stats.wc;	1455	force->stats.wc = spell_ob->stats.wc;
1387		1456
1388	change_abil(tmp,force); /* Mostly to display any messages */	1457	change_abil (tmp, force); /* Mostly to display any messages */
1389	insert_ob_in_ob(force,tmp);	1458	insert_ob_in_ob (force, tmp);
1390	fix_player(tmp);	1459	tmp->update_stats ();
1391	return 1;	1460	return 1;
1392		1461
1393	}	1462	}
1394
1395		1463
1396	/**********************************************************************	1464	/**********************************************************************
1397	* mood change	1465	* mood change
1398	* Arguably, this may or may not be an attack spell. But since it	1466	* Arguably, this may or may not be an attack spell. But since it
1399	* effects monsters, it seems best to put it into this file	1467	* effects monsters, it seems best to put it into this file
1400	***********************************************************************/	1468	***********************************************************************/
1401		1469
1402	/* This covers the various spells that change the moods of monsters -	1470	/* This covers the various spells that change the moods of monsters -
1403	* makes them angry, peacful, friendly, etc.	1471	* makes them angry, peacful, friendly, etc.
1404	*/	1472	*/
		1473	int
1405	int mood_change(object *op, object *caster, object *spell) {	1474	mood_change (object *op, object *caster, object *spell)
		1475	{
1406	object *tmp, *god, *head;	1476	object *tmp, *god, *head;
1407	int done_one, range, mflags, level, at, best_at;	1477	int done_one, range, mflags, level, at, best_at;
1408	sint16 x, y, nx, ny;	1478	sint16 x, y, nx, ny;
1409	mapstruct *m;	1479	maptile *m;
1410	const char *race;	1480	const char *race;
1411		1481
1412	/* We precompute some values here so that we don't have to keep	1482	/* We precompute some values here so that we don't have to keep
1413	* doing it over and over again.	1483	* doing it over and over again.
1414	*/	1484	*/
1415	god=find_god(determine_god(op));	1485	god = find_god (determine_god (op));
1416	level=caster_level(caster, spell);	1486	level = caster_level (caster, spell);
1417	range = spell->range + SP_level_range_adjust(caster, spell);	1487	range = spell->range + SP_level_range_adjust (caster, spell);
1418		1488
1419	/* On the bright side, no monster should ever have a race of GOD_...	1489	/* On the bright side, no monster should ever have a race of GOD_...
1420	* so even if the player doesn't worship a god, if race=GOD_.., it	1490	* so even if the player doesn't worship a god, if race=GOD_.., it
1421	* won't ever match anything.	1491	* won't ever match anything.
1422	*/	1492	*/
1423	if (!spell->race) race=NULL;	1493	if (!spell->race)
		1494	race = NULL;
1424	else if (god && !strcmp(spell->race, "GOD_SLAYING")) race = god->slaying;	1495	else if (god && !strcmp (spell->race, "GOD_SLAYING"))
		1496	race = god->slaying;
1425	else if (god && !strcmp(spell->race, "GOD_FRIEND")) race = god->race;	1497	else if (god && !strcmp (spell->race, "GOD_FRIEND"))
		1498	race = god->race;
		1499	else
1426	else race = spell->race;	1500	race = spell->race;
1427
1428		1501
1429	for (x = op->x - range; x <= op->x + range; x++)	1502	for (x = op->x - range; x <= op->x + range; x++)
1430	for (y = op->y - range; y <= op->y + range; y++) {	1503	for (y = op->y - range; y <= op->y + range; y++)
1431		1504	{
1432	done_one=0;	1505	done_one = 0;
1433	m = op->map;	1506	m = op->map;
1434	nx = x;	1507	nx = x;
1435	ny = y;	1508	ny = y;
1436	mflags = get_map_flags(m, &m, x, y, &nx, &ny);	1509	mflags = get_map_flags (m, &m, x, y, &nx, &ny);
1437	if (mflags & P_OUT_OF_MAP) continue;	1510	if (mflags & P_OUT_OF_MAP)
		1511	continue;
1438		1512
1439	/* If there is nothing living on this space, no need to go further */	1513	/* If there is nothing living on this space, no need to go further */
1440	if (!(mflags & P_IS_ALIVE)) continue;	1514	if (!(mflags & P_IS_ALIVE))
		1515	continue;
1441		1516
		1517	// players can only affect spaces that they can actually see
		1518	if (caster && caster->contr
		1519	&& caster->contr->visibility_at (m, nx, ny) < 70)
		1520	continue;
		1521
1442	for (tmp = get_map_ob(m, nx, ny); tmp; tmp = tmp->above)	1522	for (tmp = GET_MAP_TOP (m, nx, ny); tmp; tmp = tmp->below)
1443	if (QUERY_FLAG(tmp, FLAG_MONSTER)) break;	1523	if (QUERY_FLAG (tmp, FLAG_MONSTER))
		1524	break;
1444		1525
1445	/* There can be living objects that are not monsters */	1526	/* There can be living objects that are not monsters */
1446	if (!tmp || tmp->type==PLAYER) continue;	1527	if (!tmp || tmp->type == PLAYER)
		1528	continue;
1447		1529
1448	/* Only the head has meaningful data, so resolve to that */	1530	/* Only the head has meaningful data, so resolve to that */
1449	if (tmp->head) head=tmp->head;	1531	if (tmp->head)
1450	else head=tmp;	1532	head = tmp->head;
		1533	else
		1534	head = tmp;
1451		1535
1452	/* Make sure the race is OK. Likewise, only effect undead if spell specifically allows it */	1536	/* Make sure the race is OK. Likewise, only effect undead if spell specifically allows it */
1453	if (race && head->race && !strstr(race, head->race)) continue;	1537	if (race && head->race && !strstr (race, head->race))
		1538	continue;
		1539
1454	if (QUERY_FLAG(head, FLAG_UNDEAD) && !QUERY_FLAG(spell, FLAG_UNDEAD)) continue;	1540	if (QUERY_FLAG (head, FLAG_UNDEAD) && !QUERY_FLAG (spell, FLAG_UNDEAD))
		1541	continue;
1455		1542
1456	/* Now do a bunch of stuff related to saving throws */	1543	/* Now do a bunch of stuff related to saving throws */
1457	best_at = -1;	1544	best_at = -1;
1458	if (spell->attacktype) {	1545	if (spell->attacktype)
		1546	{
1459	for (at=0; at < NROFATTACKS; at++)	1547	for (at = 0; at < NROFATTACKS; at++)
1460	if (spell->attacktype & (1 << at))	1548	if (spell->attacktype & (1 << at))
1461	if (best_at == -1 || head->resist[at] > head->resist[best_at]) best_at = at;	1549	if (best_at == -1 || head->resist[at] > head->resist[best_at])
		1550	best_at = at;
1462		1551
1463	if (best_at == -1) at=0;	1552	if (best_at == -1)
		1553	at = 0;
1464	else {	1554	else
		1555	{
1465	if (head->resist[best_at] == 100) continue;	1556	if (head->resist[best_at] == 100)
1466	else at = head->resist[best_at] / 5;	1557	continue;
1467	}	1558	else
		1559	at = head->resist[best_at] / 5;
		1560	}
1468	at -= level / 5;	1561	at -= level / 5;
1469	if (did_make_save(head, head->level, at)) continue;	1562	if (did_make_save (head, head->level, at))
1470	}	1563	continue;
		1564	}
1471	else /* spell->attacktype */	1565	else /* spell->attacktype */
		1566	{
1472	/*	1567	/*
1473	Spell has no attacktype (charm & such), so we'll have a specific saving:	1568	Spell has no attacktype (charm & such), so we'll have a specific saving:
1474	* if spell level < monster level, no go	1569	* if spell level < monster level, no go
1475	* else, chance of effect = 20 + min( 50, 2 * ( spell level - monster level ) )	1570	* else, chance of effect = 20 + min( 50, 2 * ( spell level - monster level ) )
1476		1571
1477	The chance will then be in the range [20-70] percent, not too bad.	1572	The chance will then be in the range [20-70] percent, not too bad.
1478		1573
1479	This is required to fix the 'charm monster' abuse, where a player level 1 can	1574	This is required to fix the 'charm monster' abuse, where a player level 1 can
1480	charm a level 125 monster...	1575	charm a level 125 monster...
1481		1576
1482	Ryo, august 14th	1577	Ryo, august 14th
1483	*/	1578	*/
1484	{
1485	if ( head->level > level ) continue;	1579	if (head->level > level)
		1580	continue;
		1581
1486	if ( random_roll( 0, 100, caster, PREFER_LOW ) >= ( 20 + MIN( 50, 2 * ( level - head->level ) ) ) )	1582	if (random_roll (0, 100, caster, PREFER_LOW) >= (20 + MIN (50, 2 * (level - head->level))))
1487	/* Failed, no effect */	1583	/* Failed, no effect */
1488	continue;	1584	continue;
1489	}	1585	}
1490		1586
1491	/* Done with saving throw. Now start effecting the monster */	1587	/* Done with saving throw. Now start affecting the monster */
1492		1588
1493	/* aggravation */	1589	/* aggravation */
1494	if (QUERY_FLAG(spell, FLAG_MONSTER)) {	1590	if (QUERY_FLAG (spell, FLAG_MONSTER))
		1591	{
1495	CLEAR_FLAG(head, FLAG_SLEEP);	1592	CLEAR_FLAG (head, FLAG_SLEEP);
1496	if (QUERY_FLAG(head, FLAG_FRIENDLY))
1497	remove_friendly_object(head);	1593	remove_friendly_object (head);
		1594	done_one = 1;
		1595	head->enemy = op;
		1596	}
1498		1597
1499	done_one = 1;
1500	head->enemy = op;
1501	}
1502
1503	/* calm monsters */	1598	/* calm monsters */
1504	if (QUERY_FLAG(spell, FLAG_UNAGGRESSIVE) && !QUERY_FLAG(head, FLAG_UNAGGRESSIVE)) {	1599	if (QUERY_FLAG (spell, FLAG_UNAGGRESSIVE) && !QUERY_FLAG (head, FLAG_UNAGGRESSIVE))
		1600	{
1505	SET_FLAG(head, FLAG_UNAGGRESSIVE);	1601	SET_FLAG (head, FLAG_UNAGGRESSIVE);
1506	head->enemy = NULL;	1602	head->enemy = NULL;
1507	done_one = 1;	1603	done_one = 1;
1508	}	1604	}
1509		1605
1510	/* berserk monsters */	1606	/* berserk monsters */
1511	if (QUERY_FLAG(spell, FLAG_BERSERK) && !QUERY_FLAG(head, FLAG_BERSERK)) {	1607	if (QUERY_FLAG (spell, FLAG_BERSERK) && !QUERY_FLAG (head, FLAG_BERSERK))
		1608	{
1512	SET_FLAG(head, FLAG_BERSERK);	1609	SET_FLAG (head, FLAG_BERSERK);
1513	done_one = 1;	1610	done_one = 1;
1514	}	1611	}
		1612
1515	/* charm */	1613	/* charm */
1516	if (QUERY_FLAG(spell, FLAG_NO_ATTACK) && !QUERY_FLAG(head, FLAG_FRIENDLY)) {	1614	if (QUERY_FLAG (spell, FLAG_NO_ATTACK) && !QUERY_FLAG (head, FLAG_FRIENDLY))
1517	SET_FLAG(head, FLAG_FRIENDLY);	1615	{
1518	/* Prevent uncontolled outbreaks of self replicating monsters.	1616	/* Prevent uncontolled outbreaks of self replicating monsters.
1519	Typical use case is charm, go somwhere, use aggravation to make hostile.	1617	Typical use case is charm, go somwhere, use aggravation to make hostile.
1520	This could lead to fun stuff like mice outbreak in bigworld and server crawl. */	1618	This could lead to fun stuff like mice outbreak in bigworld and server crawl. */
1521	CLEAR_FLAG(head, FLAG_GENERATOR);	1619	CLEAR_FLAG (head, FLAG_GENERATOR);
1522	set_owner(head, op);	1620	head->set_owner (op);
1523	set_spell_skill(op, caster, spell, head);	1621	set_spell_skill (op, caster, spell, head);
1524	add_friendly_object(head);	1622	add_friendly_object (head);
1525	head->attack_movement = PETMOVE;	1623	head->attack_movement = PETMOVE;
1526	done_one = 1;	1624	done_one = 1;
1527	change_exp(op, head->stats.exp / 2, head->skill, SK_EXP_ADD_SKILL);	1625	change_exp (op, head->stats.exp / 2, head->skill, SK_EXP_ADD_SKILL);
1528	head->stats.exp = 0;	1626	head->stats.exp = 0;
1529	}	1627	}
1530		1628
1531	/* If a monster was effected, put an effect in */	1629	/* If a monster was effected, put an effect in */
1532	if (done_one && spell->other_arch) {	1630	if (done_one && spell->other_arch)
1533	tmp = arch_to_object(spell->other_arch);	1631	m->insert (arch_to_object (spell->other_arch), nx, ny, op);
1534	tmp->x = nx;	1632	} /* for y */
1535	tmp->y = ny;
1536	insert_ob_in_map(tmp, m, op, 0);
1537	}
1538	} /* for y */
1539		1633
1540	return 1;	1634	return 1;
1541	}	1635	}
1542		1636
1543		1637
1544	/* Move_ball_spell: This handles ball type spells that just sort of wander	1638	/* Move_ball_spell: This handles ball type spells that just sort of wander
1545	* about. was called move_ball_lightning, but since more than the ball	1639	* about. was called move_ball_lightning, but since more than the ball
1546	* lightning spell used it, that seemed misnamed.	1640	* lightning spell used it, that seemed misnamed.
1547	* op is the spell effect.	1641	* op is the spell effect.
1548	* note that duration is handled by process_object() in time.c	1642	* note that duration is handled by process_object() in time.c
1549	*/	1643	*/
1550		1644
		1645	void
1551	void move_ball_spell(object *op) {	1646	move_ball_spell (object *op)
		1647	{
1552	int i,j,dam_save,dir, mflags;	1648	int i, j, dam_save, dir, mflags;
1553	sint16 nx,ny, hx, hy;	1649	sint16 nx, ny, hx, hy;
1554	object *owner;	1650	object *owner;
1555	mapstruct *m;	1651	maptile *m;
1556		1652
1557	owner = get_owner(op);	1653	owner = op->owner;
1558		1654
1559	/* the following logic makes sure that the ball doesn't move into a wall,	1655	/* the following logic makes sure that the ball doesn't move into a wall,
1560	* and makes sure that it will move along a wall to try and get at it's	1656	* and makes sure that it will move along a wall to try and get at it's
1561	* victim. The block immediately below more or less chooses a random	1657	* victim. The block immediately below more or less chooses a random
1562	* offset to move the ball, eg, keep it mostly on course, with some	1658	* offset to move the ball, eg, keep it mostly on course, with some
1563	* deviations.	1659	* deviations.
1564	*/	1660	*/
1565		1661
1566	dir = 0;	1662	dir = 0;
1567	if(!(rndm(0, 3)))	1663	if (!(rndm (0, 3)))
1568	j = rndm(0, 1);	1664	j = rndm (0, 1);
1569	else j=0;	1665	else
		1666	j = 0;
1570		1667
1571	for(i = 1; i < 9; i++) {	1668	for (i = 1; i < 9; i++)
		1669	{
1572	/* i bit 0: alters sign of offset	1670	/* i bit 0: alters sign of offset
1573	* other bits (i / 2): absolute value of offset	1671	* other bits (i / 2): absolute value of offset
1574	*/	1672	*/
1575		1673
1576	int offset = ((i ^ j) & 1) ? (i / 2) : - (i / 2);	1674	int offset = ((i ^ j) & 1) ? (i / 2) : -(i / 2);
1577	int tmpdir = absdir (op->direction + offset);	1675	int tmpdir = absdir (op->direction + offset);
1578		1676
1579	nx = op->x + freearr_x[tmpdir];	1677	nx = op->x + freearr_x[tmpdir];
1580	ny = op->y + freearr_y[tmpdir];	1678	ny = op->y + freearr_y[tmpdir];
1581	if ( ! (get_map_flags(op->map, &m, nx, ny, &nx, &ny) & P_OUT_OF_MAP) &&	1679	if (!(get_map_flags (op->map, &m, nx, ny, &nx, &ny) & P_OUT_OF_MAP) && !(OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, nx, ny))))
1582	!(OB_TYPE_MOVE_BLOCK(op, GET_MAP_MOVE_BLOCK(m, nx, ny)))) {	1680	{
1583	dir = tmpdir;	1681	dir = tmpdir;
1584	break;	1682	break;
1585	}	1683	}
1586	}	1684	}
1587	if (dir == 0) {	1685	if (dir == 0)
1588	nx = op->x;
1589	ny = op->y;
1590	m = op->map;
1591	}	1686	{
		1687	nx = op->x;
		1688	ny = op->y;
		1689	m = op->map;
		1690	}
1592		1691
1593	remove_ob(op);	1692	m->insert (op, nx, ny, op);
1594	op->y=ny;	1693
1595	op->x=nx;
1596	insert_ob_in_map(op,m,op,0);
1597
1598	dam_save = op->stats.dam; /* save the original dam: we do halfdam on	1694	dam_save = op->stats.dam; /* save the original dam: we do halfdam on
1599	surrounding squares */	1695	surrounding squares */
1600		1696
1601	/* loop over current square and neighbors to hit.	1697	/* loop over current square and neighbors to hit.
1602	* if this has an other_arch field, we insert that in	1698	* if this has an other_arch field, we insert that in
1603	* the surround spaces.	1699	* the surround spaces.
1604	*/	1700	*/
1605	for(j=0;j<9;j++) {	1701	for (j = 0; j < 9; j++)
1606	object *new_ob;	1702	{
1607
1608	hx = nx+freearr_x[j];	1703	hx = nx + freearr_x[j];
1609	hy = ny+freearr_y[j];	1704	hy = ny + freearr_y[j];
1610		1705
1611	m = op->map;	1706	m = op->map;
1612	mflags = get_map_flags(m, &m, hx, hy, &hx, &hy);	1707	mflags = get_map_flags (m, &m, hx, hy, &hx, &hy);
1613		1708
1614	if (mflags & P_OUT_OF_MAP) continue;	1709	if (mflags & P_OUT_OF_MAP)
		1710	continue;
1615		1711
1616	/* first, don't ever, ever hit the owner. Don't hit out	1712	/* first, don't ever, ever hit the owner. Don't hit out
1617	* of the map either.	1713	* of the map either.
1618	*/	1714	*/
1619		1715
1620	if((mflags & P_IS_ALIVE) && (!owner || owner->x!=hx || owner->y!=hy || !on_same_map(owner,op))) {	1716	if ((mflags & P_IS_ALIVE) && (!owner || owner->x != hx || owner->y != hy || !on_same_map (owner, op)))
1621	if(j) op->stats.dam = dam_save/2;	1717	{
		1718	if (j)
		1719	op->stats.dam = dam_save / 2;
1622	hit_map(op,j,op->attacktype,1);	1720	hit_map (op, j, op->attacktype, 1);
1623		1721
1624	}	1722	}
1625		1723
1626	/* insert the other arch */	1724	/* insert the other arch */
1627	if(op->other_arch && !(OB_TYPE_MOVE_BLOCK(op, GET_MAP_MOVE_BLOCK(m, hx, hy)))) {	1725	if (op->other_arch && !(OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, hx, hy))))
1628	new_ob = arch_to_object(op->other_arch);	1726	m->insert (arch_to_object (op->other_arch), hx, hy, op);
1629	new_ob->x = hx;
1630	new_ob->y = hy;
1631	insert_ob_in_map(new_ob,m,op,0);
1632	}
1633	}	1727	}
1634		1728
1635	/* restore to the center location and damage*/	1729	/* restore to the center location and damage */
1636	op->stats.dam = dam_save;	1730	op->stats.dam = dam_save;
1637		1731
1638	i=spell_find_dir(op->map,op->x,op->y,get_owner(op));	1732	i = spell_find_dir (op->map, op->x, op->y, op->owner);
1639		1733
1640	if(i>=0) { /* we have a preferred direction! */	1734	if (i >= 0)
		1735	{ /* we have a preferred direction! */
1641	/* pick another direction if the preferred dir is blocked. */	1736	/* pick another direction if the preferred dir is blocked. */
1642	if (get_map_flags(op->map,&m, nx + freearr_x[i], ny + freearr_y[i],&hx,&hy) & P_OUT_OF_MAP ||	1737	if (get_map_flags (op->map, &m, nx + freearr_x[i], ny + freearr_y[i], &hx, &hy) & P_OUT_OF_MAP ||
1643	OB_TYPE_MOVE_BLOCK(op, GET_MAP_MOVE_BLOCK(m, hx, hy))) {	1738	OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, hx, hy)))
1644	i= absdir(i + rndm(0, 2) -1); /* -1, 0, +1 */	1739	i = absdir (i + rndm (0, 2) - 1); /* -1, 0, +1 */
1645	}	1740
1646	op->direction=i;	1741	op->direction = i;
1647	}	1742	}
1648	}	1743	}
1649		1744
1650		1745
1651	/* move_swarm_spell: peterm	1746	/* move_swarm_spell: peterm
…		…
1654	* is a special type of object that casts swarms of other types	1749	* is a special type of object that casts swarms of other types
1655	* of spells. Which spell it casts is flexible. It fires the spells	1750	* of spells. Which spell it casts is flexible. It fires the spells
1656	* from a set of squares surrounding the caster, in a given direction.	1751	* from a set of squares surrounding the caster, in a given direction.
1657	*/	1752	*/
1658		1753
		1754	void
1659	void move_swarm_spell(object *op)	1755	move_swarm_spell (object *op)
1660	{	1756	{
1661	static int cardinal_adjust[9] = { -3, -2, -1, 0, 0, 0, 1, 2, 3 };
1662	static int diagonal_adjust[10] = { -3, -2, -2, -1, 0, 0, 1, 2, 2, 3 };
1663	sint16 target_x, target_y, origin_x, origin_y;
1664	int basedir, adjustdir;
1665	mapstruct *m;
1666	object *owner;
1667
1668	owner = get_owner(op);
1669	if(op->duration == 0 || owner == NULL) {
1670	remove_ob(op);
1671	free_object(op);
1672	return;
1673	}
1674	op->duration--;
1675
1676	basedir = op->direction;
1677	if(basedir == 0) {
1678	/* spray in all directions! 8) */
1679	basedir = rndm(1, 8);
1680	}
1681
1682	#if 0	1757	#if 0
1683	// this is bogus: it causes wrong places to be checked below	1758	static int cardinal_adjust[9] = { -3, -2, -1, 0, 0, 0, 1, 2, 3 };
1684	// (a wall 2 cells away will block the effect...) and	1759	static int diagonal_adjust[10] = { -3, -2, -2, -1, 0, 0, 1, 2, 2, 3 };
1685	// doesn't work for SP_BULLET anyhow, so again tests the wrong	1760	sint16 target_x, target_y, origin_x, origin_y;
1686	// space.	1761	int adjustdir;
1687	// should be fixed later, but correctness before featurs...	1762	maptile *m;
1688	// (schmorp)
1689
1690	/* new offset calculation to make swarm element distribution
1691	* more uniform
1692	*/
1693	if(op->duration) {
1694	if(basedir & 1) {
1695	adjustdir = cardinal_adjust[rndm(0, 8)];
1696	} else {
1697	adjustdir = diagonal_adjust[rndm(0, 9)];
1698	}
1699	} else {
1700	adjustdir = 0; /* fire the last one from forward. */
1701	}
1702
1703	target_x = op->x + freearr_x[absdir(basedir + adjustdir)];
1704	target_y = op->y + freearr_y[absdir(basedir + adjustdir)];
1705
1706	/* back up one space so we can hit point-blank targets, but this
1707	* necessitates extra out_of_map check below
1708	*/
1709	origin_x = target_x - freearr_x[basedir];
1710	origin_y = target_y - freearr_y[basedir];
1711
1712
1713	/* spell pointer is set up for the spell this casts. Since this
1714	* should just be a pointer to the spell in some inventory,
1715	* it is unlikely to disappear by the time we need it. However,
1716	* do some sanity checking anyways.
1717	*/
1718
1719	if (op->spell && op->spell->type == SPELL &&
1720	!(get_map_flags(op->map, &m, target_x, target_y, &target_x, &target_y) & P_OUT_OF_MAP) &&
1721	!(OB_TYPE_MOVE_BLOCK(op->spell, GET_MAP_MOVE_BLOCK(m, target_x, target_y)))) {
1722
1723	/* Bullet spells have a bunch more customization that needs to be done */
1724	if (op->spell->subtype == SP_BULLET)
1725	fire_bullet(owner, op, basedir, op->spell);
1726	else if (op->spell->subtype == SP_MAGIC_MISSILE)
1727	fire_arch_from_position (owner, op, origin_x, origin_y, basedir, op->spell);
1728	}
1729	#endif	1763	#endif
		1764	int basedir;
		1765	object *owner;
1730		1766
		1767	owner = op->owner;
		1768	if (op->duration == 0 || owner == NULL)
		1769	{
		1770	op->destroy ();
		1771	return;
		1772	}
		1773
		1774	op->duration--;
		1775
		1776	basedir = op->direction;
		1777	if (basedir == 0)
		1778	{
		1779	/* spray in all directions! 8) */
		1780	basedir = rndm (1, 8);
		1781	}
		1782
		1783	#if 0
		1784	// this is bogus: it causes wrong places to be checked below
		1785	// (a wall 2 cells away will block the effect...) and
		1786	// doesn't work for SP_BULLET anyhow, so again tests the wrong
		1787	// space.
		1788	// should be fixed later, but correctness before features...
		1789	// (schmorp)
		1790
		1791	/* new offset calculation to make swarm element distribution
		1792	* more uniform
		1793	*/
		1794	if (op->duration)
		1795	{
		1796	if (basedir & 1)
		1797	{
		1798	adjustdir = cardinal_adjust[rndm (0, 8)];
		1799	}
		1800	else
		1801	{
		1802	adjustdir = diagonal_adjust[rndm (0, 9)];
		1803	}
		1804	}
		1805	else
		1806	{
		1807	adjustdir = 0; /* fire the last one from forward. */
		1808	}
		1809
		1810	target_x = op->x + freearr_x[absdir (basedir + adjustdir)];
		1811	target_y = op->y + freearr_y[absdir (basedir + adjustdir)];
		1812
		1813	/* back up one space so we can hit point-blank targets, but this
		1814	* necessitates extra out_of_map check below
		1815	*/
		1816	origin_x = target_x - freearr_x[basedir];
		1817	origin_y = target_y - freearr_y[basedir];
		1818
		1819
1731	/* spell pointer is set up for the spell this casts. Since this	1820	/* spell pointer is set up for the spell this casts. Since this
1732	* should just be a pointer to the spell in some inventory,	1821	* should just be a pointer to the spell in some inventory,
1733	* it is unlikely to disappear by the time we need it. However,	1822	* it is unlikely to disappear by the time we need it. However,
1734	* do some sanity checking anyways.	1823	* do some sanity checking anyways.
1735	*/	1824	*/
		1825
		1826	if (op->spell && op->spell->type == SPELL &&
		1827	!(get_map_flags (op->map, &m, target_x, target_y, &target_x, &target_y) & P_OUT_OF_MAP) &&
		1828	!(OB_TYPE_MOVE_BLOCK (op->spell, GET_MAP_MOVE_BLOCK (m, target_x, target_y))))
1736		1829	{
		1830
		1831	/* Bullet spells have a bunch more customization that needs to be done */
		1832	if (op->spell->subtype == SP_BULLET)
		1833	fire_bullet (owner, op, basedir, op->spell);
		1834	else if (op->spell->subtype == SP_MAGIC_MISSILE)
		1835	fire_arch_from_position (owner, op, origin_x, origin_y, basedir, op->spell);
		1836	}
		1837	#endif
		1838
		1839	/* spell pointer is set up for the spell this casts. Since this
		1840	* should just be a pointer to the spell in some inventory,
		1841	* it is unlikely to disappear by the time we need it. However,
		1842	* do some sanity checking anyways.
		1843	*/
		1844
1737	if (op->spell && op->spell->type == SPELL)	1845	if (op->spell && op->spell->type == SPELL)
1738	{	1846	{
1739	/* Bullet spells have a bunch more customization that needs to be done */	1847	/* Bullet spells have a bunch more customization that needs to be done */
1740	if (op->spell->subtype == SP_BULLET)	1848	if (op->spell->subtype == SP_BULLET)
1741	fire_bullet(owner, op, basedir, op->spell);	1849	fire_bullet (owner, op, basedir, op->spell);
1742	else if (op->spell->subtype == SP_MAGIC_MISSILE)	1850	else if (op->spell->subtype == SP_MAGIC_MISSILE)
1743	fire_arch_from_position (owner, op, op->x, op->y, basedir, op->spell);	1851	fire_arch_from_position (owner, op, op->x, op->y, basedir, op->spell);
1744	}	1852	}
1745	}	1853	}
1746		1854
1747		1855
1748		1856
1749		1857
…		…
1757	* dir: the direction everything will be fired in	1865	* dir: the direction everything will be fired in
1758	* spell - the spell that is this spell.	1866	* spell - the spell that is this spell.
1759	* n: the number to be fired.	1867	* n: the number to be fired.
1760	*/	1868	*/
1761		1869
		1870	int
1762	int fire_swarm (object *op, object *caster, object *spell, int dir)	1871	fire_swarm (object *op, object *caster, object *spell, int dir)
1763	{	1872	{
1764	object *tmp;	1873	object *tmp;
1765	int i;	1874	int i;
1766		1875
1767	if (!spell->other_arch) return 0;	1876	if (!spell->other_arch)
		1877	return 0;
1768		1878
1769	tmp=get_archetype(SWARM_SPELL);	1879	tmp = get_archetype (SWARM_SPELL);
1770	tmp->x=op->x;
1771	tmp->y=op->y;
1772	set_owner(tmp,op); /* needed so that if swarm elements kill, caster gets xp.*/	1880	tmp->set_owner (op); /* needed so that if swarm elements kill, caster gets xp. */
1773	set_spell_skill(op, caster, spell, tmp);	1881	set_spell_skill (op, caster, spell, tmp);
1774		1882
1775	tmp->level=caster_level(caster, spell); /*needed later, to get level dep. right.*/	1883	tmp->level = caster_level (caster, spell); /*needed later, to get level dep. right. */
1776	tmp->spell = arch_to_object(spell->other_arch);	1884	tmp->spell = arch_to_object (spell->other_arch);
1777		1885
1778	tmp->attacktype = tmp->spell->attacktype;	1886	tmp->attacktype = tmp->spell->attacktype;
1779		1887
1780	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER) {	1888	if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER)
1781	if ( ! tailor_god_spell (tmp, op))	1889	if (!tailor_god_spell (tmp, op))
1782	return 1;	1890	return 1;
1783	}	1891
1784	tmp->duration = SP_level_duration_adjust(caster, spell);	1892	tmp->duration = SP_level_duration_adjust (caster, spell);
1785	for (i=0; i< spell->duration; i++)	1893	for (i = 0; i < spell->duration; i++)
1786	tmp->duration += die_roll(1, 3, op, PREFER_HIGH);	1894	tmp->duration += die_roll (1, 3, op, PREFER_HIGH);
1787		1895
1788	tmp->direction=dir;	1896	tmp->direction = dir;
1789	tmp->invisible=1;	1897	tmp->invisible = 1;
1790	insert_ob_in_map(tmp,op->map,op,0);	1898
		1899	tmp->insert_at (op, op);
1791	return 1;	1900	return 1;
1792	}	1901	}
1793		1902
1794		1903
1795	/* See the spells documentation file for why this is its own	1904	/* See the spells documentation file for why this is its own
1796	* function.	1905	* function.
1797	*/	1906	*/
		1907	int
1798	int cast_light(object *op,object *caster,object *spell, int dir) {	1908	cast_light (object *op, object *caster, object *spell, int dir)
		1909	{
1799	object *target=NULL,*tmp=NULL;	1910	object *target = NULL, *tmp = NULL;
1800	sint16 x,y;	1911	sint16 x, y;
1801	int dam, mflags;	1912	int dam, mflags;
1802	mapstruct *m;	1913	maptile *m;
1803		1914
1804	dam = spell->stats.dam + SP_level_dam_adjust(caster,spell);	1915	dam = spell->stats.dam + SP_level_dam_adjust (caster, spell);
1805		1916
1806	if(!dir) {	1917	if (!dir)
		1918	{
1807	new_draw_info(NDI_UNIQUE, 0,op,"In what direction?");	1919	new_draw_info (NDI_UNIQUE, 0, op, "In what direction?");
1808	return 0;	1920	return 0;
1809	}	1921	}
1810		1922
1811	x=op->x+freearr_x[dir];	1923	x = op->x + freearr_x[dir];
1812	y=op->y+freearr_y[dir];	1924	y = op->y + freearr_y[dir];
1813	m = op->map;	1925	m = op->map;
1814		1926
1815	mflags = get_map_flags(m, &m, x, y, &x, &y);	1927	mflags = get_map_flags (m, &m, x, y, &x, &y);
1816		1928
1817	if (mflags & P_OUT_OF_MAP) {	1929	if (mflags & P_OUT_OF_MAP)
		1930	{
1818	new_draw_info(NDI_UNIQUE, 0,op,"Nothing is there.");	1931	new_draw_info (NDI_UNIQUE, 0, op, "Nothing is there.");
1819	return 0;	1932	return 0;
1820	}	1933	}
1821		1934
1822	if (mflags & P_IS_ALIVE && spell->attacktype) {	1935	if (mflags & P_IS_ALIVE && spell->attacktype)
1823	for(target=get_map_ob(m,x,y);target;target=target->above)	1936	{
		1937	for (target = GET_MAP_OB (m, x, y); target; target = target->above)
1824	if(QUERY_FLAG(target,FLAG_MONSTER)) {	1938	if (QUERY_FLAG (target, FLAG_MONSTER))
		1939	{
1825	/* oky doky. got a target monster. Lets make a blinding attack */	1940	/* oky doky. got a target monster. Lets make a blinding attack */
1826	if(target->head) target = target->head;	1941	if (target->head)
		1942	target = target->head;
1827	(void) hit_player(target,dam,op,spell->attacktype,1);	1943	(void) hit_player (target, dam, op, spell->attacktype, 1);
1828	return 1; /* one success only! */	1944	return 1; /* one success only! */
		1945	}
1829	}	1946	}
1830	}
1831		1947
1832	/* no live target, perhaps a wall is in the way? */	1948	/* no live target, perhaps a wall is in the way? */
1833	if (OB_TYPE_MOVE_BLOCK(op, GET_MAP_MOVE_BLOCK(m, x, y))) {	1949	if (OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, x, y)))
		1950	{
1834	new_draw_info(NDI_UNIQUE, 0,op,"Something is in the way.");	1951	new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way.");
1835	return 0;	1952	return 0;
1836	}	1953	}
1837		1954
1838	/* ok, looks groovy to just insert a new light on the map */	1955	/* ok, looks groovy to just insert a new light on the map */
1839	tmp=arch_to_object(spell->other_arch);	1956	tmp = arch_to_object (spell->other_arch);
1840	if(!tmp) {	1957	if (!tmp)
		1958	{
1841	LOG(llevError,"Error: spell arch for cast_light() missing.\n");	1959	LOG (llevError, "Error: spell arch for cast_light() missing.\n");
1842	return 0;	1960	return 0;
1843	}	1961	}
1844	tmp->stats.food = spell->duration + SP_level_duration_adjust(caster,spell);	1962	tmp->stats.food = spell->duration + SP_level_duration_adjust (caster, spell);
1845	if (tmp->glow_radius) {	1963	if (tmp->glow_radius)
		1964	{
1846	tmp->glow_radius= spell->range + SP_level_range_adjust(caster,spell);	1965	tmp->glow_radius = spell->range + SP_level_range_adjust (caster, spell);
1847	if (tmp->glow_radius > MAX_LIGHT_RADII) tmp->glow_radius = MAX_LIGHT_RADII;	1966	if (tmp->glow_radius > MAX_LIGHT_RADII)
		1967	tmp->glow_radius = MAX_LIGHT_RADII;
1848	}	1968	}
1849	tmp->x=x;	1969
1850	tmp->y=y;	1970	m->insert (tmp, x, y, op);
1851	insert_ob_in_map(tmp,m,op,0);
1852	return 1;	1971	return 1;
1853	}	1972	}
1854		1973
1855		1974
1856		1975
1857		1976
…		…
1860	* op is the player/monster, caster is the object, dir is the direction	1979	* op is the player/monster, caster is the object, dir is the direction
1861	* to cast, disease_arch is the specific disease, and type is the spell number	1980	* to cast, disease_arch is the specific disease, and type is the spell number
1862	* perhaps this should actually be in disease.c?	1981	* perhaps this should actually be in disease.c?
1863	*/	1982	*/
1864		1983
		1984	int
1865	int cast_cause_disease(object *op, object *caster, object *spell, int dir) {	1985	cast_cause_disease (object *op, object *caster, object *spell, int dir)
		1986	{
1866	sint16 x,y;	1987	sint16 x, y;
1867	int i, mflags, range, dam_mod, dur_mod;	1988	int i, mflags, range, dam_mod, dur_mod;
1868	object *walk;	1989	object *walk;
1869	mapstruct *m;	1990	maptile *m;
1870		1991
1871	x = op->x;	1992	x = op->x;
1872	y = op->y;	1993	y = op->y;
1873		1994
1874	/* If casting from a scroll, no direction will be available, so refer to the	1995	/* If casting from a scroll, no direction will be available, so refer to the
1875	* direction the player is pointing.	1996	* direction the player is pointing.
1876	*/	1997	*/
		1998	if (!dir)
1877	if (!dir) dir=op->facing;	1999	dir = op->facing;
		2000	if (!dir)
1878	if (!dir) return 0; /* won't find anything if casting on ourself, so just return */	2001	return 0; /* won't find anything if casting on ourself, so just return */
1879		2002
1880	/* Calculate these once here */	2003	/* Calculate these once here */
1881	range = spell->range + SP_level_range_adjust(caster, spell);	2004	range = spell->range + SP_level_range_adjust (caster, spell);
1882	dam_mod = SP_level_dam_adjust(caster, spell);	2005	dam_mod = SP_level_dam_adjust (caster, spell);
1883	dur_mod = SP_level_duration_adjust(caster, spell);	2006	dur_mod = SP_level_duration_adjust (caster, spell);
1884		2007
1885	/* search in a line for a victim */	2008	/* search in a line for a victim */
1886	for(i=1; i<range; i++) {	2009	for (i = 1; i < range; i++)
		2010	{
1887	x = op->x + i * freearr_x[dir];	2011	x = op->x + i * freearr_x[dir];
1888	y = op->y + i * freearr_y[dir];	2012	y = op->y + i * freearr_y[dir];
1889	m = op->map;	2013	m = op->map;
1890		2014
1891	mflags = get_map_flags(m, &m, x, y, &x, &y);	2015	mflags = get_map_flags (m, &m, x, y, &x, &y);
1892		2016
1893	if (mflags & P_OUT_OF_MAP) return 0;	2017	if (mflags & P_OUT_OF_MAP)
		2018	return 0;
1894		2019
1895	/* don't go through walls - presume diseases are airborne */	2020	/* don't go through walls - presume diseases are airborne */
1896	if (GET_MAP_MOVE_BLOCK(m, x, y) & MOVE_FLY_LOW) return 0;	2021	if (GET_MAP_MOVE_BLOCK (m, x, y) & MOVE_FLY_LOW)
		2022	return 0;
1897		2023
1898	/* Only bother looking on this space if there is something living here */	2024	/* Only bother looking on this space if there is something living here */
1899	if (mflags & P_IS_ALIVE) {	2025	if (mflags & P_IS_ALIVE)
		2026	{
1900	/* search this square for a victim */	2027	/* search this square for a victim */
1901	for(walk=get_map_ob(m,x,y);walk;walk=walk->above)	2028	for (walk = GET_MAP_OB (m, x, y); walk; walk = walk->above)
1902	if (QUERY_FLAG(walk,FLAG_MONSTER) || (walk->type==PLAYER)) { /* found a victim */	2029	if (QUERY_FLAG (walk, FLAG_MONSTER) || (walk->type == PLAYER))
		2030	{ /* found a victim */
1903	object *disease = arch_to_object(spell->other_arch);	2031	object *disease = arch_to_object (spell->other_arch);
1904		2032
1905	set_owner(disease,op);	2033	disease->set_owner (op);
1906	set_spell_skill(op, caster, spell, disease);	2034	set_spell_skill (op, caster, spell, disease);
1907	disease->stats.exp = 0;	2035	disease->stats.exp = 0;
1908	disease->level = caster_level(caster, spell);	2036	disease->level = caster_level (caster, spell);
1909		2037
1910	/* do level adjustments */	2038	/* do level adjustments */
1911	if(disease->stats.wc)	2039	if (disease->stats.wc)
1912	disease->stats.wc += dur_mod/2;	2040	disease->stats.wc += dur_mod / 2;
1913		2041
1914	if(disease->magic> 0)	2042	if (disease->magic > 0)
1915	disease->magic += dur_mod/4;	2043	disease->magic += dur_mod / 4;
1916		2044
1917	if(disease->stats.maxhp>0)	2045	if (disease->stats.maxhp > 0)
1918	disease->stats.maxhp += dur_mod;	2046	disease->stats.maxhp += dur_mod;
1919		2047
1920	if(disease->stats.maxgrace>0)	2048	if (disease->stats.maxgrace > 0)
1921	disease->stats.maxgrace += dur_mod;	2049	disease->stats.maxgrace += dur_mod;
1922		2050
1923	if(disease->stats.dam) {	2051	if (disease->stats.dam)
1924	if(disease->stats.dam > 0)	2052	{
1925	disease->stats.dam += dam_mod;	2053	if (disease->stats.dam > 0)
1926	else disease->stats.dam -= dam_mod;	2054	disease->stats.dam += dam_mod;
1927	}	2055	else
		2056	disease->stats.dam -= dam_mod;
		2057	}
1928		2058
1929	if(disease->last_sp) {	2059	if (disease->last_sp)
1930	disease->last_sp -= 2*dam_mod;	2060	{
1931	if(disease->last_sp <1) disease->last_sp = 1;	2061	disease->last_sp -= 2 * dam_mod;
1932	}	2062	if (disease->last_sp < 1)
		2063	disease->last_sp = 1;
		2064	}
1933		2065
1934	if(disease->stats.maxsp) {	2066	if (disease->stats.maxsp)
1935	if(disease->stats.maxsp > 0)	2067	{
1936	disease->stats.maxsp += dam_mod;	2068	if (disease->stats.maxsp > 0)
1937	else disease->stats.maxsp -= dam_mod;	2069	disease->stats.maxsp += dam_mod;
1938	}	2070	else
1939		2071	disease->stats.maxsp -= dam_mod;
		2072	}
		2073
1940	if(disease->stats.ac)	2074	if (disease->stats.ac)
1941	disease->stats.ac += dam_mod;	2075	disease->stats.ac += dam_mod;
1942		2076
1943	if(disease->last_eat)	2077	if (disease->last_eat)
1944	disease->last_eat -= dam_mod;	2078	disease->last_eat -= dam_mod;
1945		2079
1946	if(disease->stats.hp)	2080	if (disease->stats.hp)
1947	disease->stats.hp -= dam_mod;	2081	disease->stats.hp -= dam_mod;
1948		2082
1949	if(disease->stats.sp)	2083	if (disease->stats.sp)
1950	disease->stats.sp -= dam_mod;	2084	disease->stats.sp -= dam_mod;
1951		2085
1952	if(infect_object(walk,disease,1)) {	2086	if (infect_object (walk, disease, 1))
1953	object *flash; /* visual effect for inflicting disease */	2087	{
1954
1955	new_draw_info_format(NDI_UNIQUE, 0, op, "You inflict %s on %s!",disease->name,walk->name);	2088	new_draw_info_format (NDI_UNIQUE, 0, op, "You inflict %s on %s!", &disease->name, &walk->name);
1956		2089
1957	free_object(disease); /* don't need this one anymore */	2090	disease->destroy (); /* don't need this one anymore */
1958	flash=get_archetype(ARCH_DETECT_MAGIC);	2091	walk->map->insert (get_archetype ("detect_magic"), x, y, op);
1959	flash->x = x;	2092	return 1;
1960	flash->y = y;	2093	}
1961	flash->map = walk->map;	2094
1962	insert_ob_in_map(flash,walk->map,op,0);	2095	disease->destroy ();
1963	return 1;	2096	}
1964	}	2097	} /* if living creature */
1965	free_object(disease);	2098	} /* for range of spaces */
1966	}	2099
1967	} /* if living creature */
1968	} /* for range of spaces */
1969	new_draw_info(NDI_UNIQUE,0,op,"No one caught anything!");	2100	new_draw_info (NDI_UNIQUE, 0, op, "No one caught anything!");
1970	return 1;	2101	return 1;
1971	}	2102	}

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