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Comparing deliantra/server/server/spell_attack.C (file contents):
Revision 1.75 by root, Sun Dec 28 08:08:25 2008 UTC vs.
Revision 1.92 by root, Wed Nov 11 04:45:23 2009 UTC

1/* 1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002-2003,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002-2003,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * Deliantra is free software: you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation, either version 3 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 11 * option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
20 * 21 *
21 * The authors can be reached via e-mail to <support@deliantra.net> 22 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 23 */
23 24
24/* This file contains all the spell attack code. Grouping this code 25/* This file contains all the spell attack code. Grouping this code
… …
36/* this function checks to see if a spell pushes objects as well 37/* this function checks to see if a spell pushes objects as well
37 * as flies over and damages them (only used for cones for now) 38 * as flies over and damages them (only used for cones for now)
38 * but moved here so it could be applied to bolts too 39 * but moved here so it could be applied to bolts too
39 * op is the spell object. 40 * op is the spell object.
40 */ 41 */
41void 42static void
42check_spell_knockback (object *op) 43check_spell_knockback (object *op)
43{ 44{
44 int weight_move; 45 int weight_move;
45 int frictionmod = 2; /*poor man's physics - multipy targets weight by this amount */ 46 int frictionmod = 2; /*poor man's physics - multipy targets weight by this amount */
46 47
… …
107 ***************************************************************************/ 108 ***************************************************************************/
108 109
109/* Causes op to fork. op is the original bolt, tmp 110/* Causes op to fork. op is the original bolt, tmp
110 * is the first piece of the fork. 111 * is the first piece of the fork.
111 */ 112 */
112void 113static void
113forklightning (object *op, object *tmp) 114forklightning (object *op, object *tmp)
114{ 115{
115 int new_dir = 1; /* direction or -1 for left, +1 for right 0 if no new bolt */ 116 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 */ 117 int t_dir; /* stores temporary dir calculation */
117 maptile *m; 118 maptile *m;
… …
388 389
389/* Causes an object to explode, eg, a firebullet, 390/* Causes an object to explode, eg, a firebullet,
390 * poison cloud ball, etc. op is the object to 391 * poison cloud ball, etc. op is the object to
391 * explode. 392 * explode.
392 */ 393 */
393void 394static void
394explode_bullet (object *op) 395explode_bullet (object *op)
395{ 396{
396 object *tmp, *owner; 397 object *tmp, *owner;
397 398
398 if (!op->other_arch) 399 if (!op->other_arch)
… …
545 * fired arches (eg, bolts). 546 * fired arches (eg, bolts).
546 */ 547 */
547void 548void
548move_bullet (object *op) 549move_bullet (object *op)
549{ 550{
550 sint16 new_x, new_y;
551 int mflags;
552 maptile *m;
553
554#if 0 551#if 0
555 /* We need a better general purpose way to do this */ 552 /* We need a better general purpose way to do this */
556 553
557 /* peterm: added to make comet leave a trail of burnouts 554 /* peterm: added to make comet leave a trail of burnouts
558 it's an unadulterated hack, but the effect is cool. */ 555 it's an unadulterated hack, but the effect is cool. */
… …
573 op->destroy (); 570 op->destroy ();
574 571
575 return; 572 return;
576 } 573 }
577 574
578 new_x = op->x + DIRX (op); 575 mapxy pos (op);
579 new_y = op->y + DIRY (op); 576 pos.move (op->direction);
580 m = op->map;
581 mflags = get_map_flags (m, &m, new_x, new_y, &new_x, &new_y);
582 577
583 if (mflags & P_OUT_OF_MAP) 578 if (!pos.normalise ())
584 { 579 {
585 op->destroy (); 580 op->destroy ();
586 return; 581 return;
587 } 582 }
588 583
589 if (!op->direction || OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, new_x, new_y))) 584 mapspace &ms = pos.ms ();
585
586 ms.update ();
587
588 if (!op->direction || OB_TYPE_MOVE_BLOCK (op, ms.move_block))
590 { 589 {
591 if (op->other_arch) 590 if (op->other_arch)
592 explode_bullet (op); 591 explode_bullet (op);
593 else 592 else
594 op->destroy (); 593 op->destroy ();
595 594
596 return; 595 return;
597 } 596 }
598 597
599 if (!(op = m->insert (op, new_x, new_y, op))) 598 if (!(op = pos.insert (op, op)))
600 return; 599 return;
601 600
602 if (reflwall (op->map, op->x, op->y, op)) 601 if (reflwall (op->map, op->x, op->y, op))
603 { 602 {
604 op->direction = absdir (op->direction + 4); 603 op->direction = absdir (op->direction + 4);
… …
688 * CONE RELATED FUNCTIONS 687 * CONE RELATED FUNCTIONS
689 * 688 *
690 *****************************************************************************/ 689 *****************************************************************************/
691 690
692/* drops an object based on what is in the cone's "other_arch" */ 691/* drops an object based on what is in the cone's "other_arch" */
693void 692static void
694cone_drop (object *op) 693cone_drop (object *op)
695{ 694{
696 object *new_ob = arch_to_object (op->other_arch); 695 object *new_ob = arch_to_object (op->other_arch);
697 696
698 new_ob->level = op->level; 697 new_ob->level = op->level;
… …
828 */ 827 */
829 movetype = spell->other_arch->move_type; 828 movetype = spell->other_arch->move_type;
830 829
831 for (i = range_min; i <= range_max; i++) 830 for (i = range_min; i <= range_max; i++)
832 { 831 {
833 sint16 x, y, d; 832 sint16 x, y;
834 833
835 /* We can't use absdir here, because it never returns 834 /* We can't use absdir here, because it never returns
836 * 0. If this is a rune, we want to hit the person on top 835 * 0. If this is a rune, we want to hit the person on top
837 * of the trap (d==0). If it is not a rune, then we don't want 836 * of the trap (d==0). If it is not a rune, then we don't want
838 * to hit that person. 837 * to hit that person.
839 */ 838 */
840 d = dir + i; 839 int d = dir ? absdir (dir + i) : i;
841 while (d < 0)
842 d += 8;
843 while (d > 8)
844 d -= 8;
845 840
846 /* If it's not a rune, we don't want to blast the caster. 841 /* If it's not a rune, we don't want to blast the caster.
847 * In that case, we have to see - if dir is specified, 842 * In that case, we have to see - if dir is specified,
848 * turn this into direction 8. If dir is not specified (all 843 * turn this into direction 8. If dir is not specified (all
849 * direction) skip - otherwise, one line would do more damage 844 * direction) skip - otherwise, one line would do more damage
… …
951 946
952 object *env = op->outer_env (); 947 object *env = op->outer_env ();
953 948
954 if (op->env) 949 if (op->env)
955 { 950 {
956 if (env->map == NULL) 951 if (!env->map)
957 return; 952 return;
958 953
959 if (!(op = op->insert_at (env, op))) 954 if (!(op = op->insert_at (env, op)))
960 return; 955 return;
961 } 956 }
962 957
963 // elmex Tue Aug 15 17:46:51 CEST 2006: Prevent bomb from exploding 958 // elmex Tue Aug 15 17:46:51 CEST 2006: Prevent bomb from exploding
964 // on a safe map. I don't like this special casing, but it seems to be neccessary 959 // on a safe map. I don't like this special casing, but it seems to be neccessary
965 // as bombs can be carried. 960 // as bombs can be carried.
966 if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_SAFE) 961 if (op->ms ().flags () & P_SAFE)
967 { 962 {
968 op->destroy (); 963 op->destroy ();
969 return; 964 return;
970 } 965 }
971 966
… …
1052 * dir is the direction to look in. 1047 * dir is the direction to look in.
1053 * range is how far out to look. 1048 * range is how far out to look.
1054 * type is the type of spell - either SPELL_MANA or SPELL_GRACE. 1049 * type is the type of spell - either SPELL_MANA or SPELL_GRACE.
1055 * this info is used for blocked magic/unholy spaces. 1050 * this info is used for blocked magic/unholy spaces.
1056 */ 1051 */
1057object * 1052static object *
1058get_pointed_target (object *op, int dir, int range, int type) 1053get_pointed_target (object *op, int dir, int range, int type)
1059{ 1054{
1060 object *target; 1055 object *target;
1061 sint16 x, y; 1056 sint16 x, y;
1062 int dist, mflags; 1057 int dist, mflags;
… …
1115 * interesting spell. 1110 * interesting spell.
1116 * if it is a cleric spell, you need a god, and the creature 1111 * if it is a cleric spell, you need a god, and the creature
1117 * can't be friendly to your god. 1112 * can't be friendly to your god.
1118 */ 1113 */
1119 1114
1120 if (!target || QUERY_FLAG (target, FLAG_REFL_SPELL) 1115 if (!target
1116 || target->flag [FLAG_REFL_SPELL]
1121 || (!god && spell->stats.grace) 1117 || (!god && spell->stats.grace)
1122 || (target->title && god && !strcmp (target->title, god->name)) || (target->race && god && strstr (target->race, god->race))) 1118 || (god && target->title == god->name)
1119 || (god && target->race.contains (god->race)))
1123 { 1120 {
1124 new_draw_info (NDI_UNIQUE, 0, op, "Your request is unheeded."); 1121 new_draw_info (NDI_UNIQUE, 0, op, "Your request is unheeded.");
1125 return 0; 1122 return 0;
1126 } 1123 }
1127 1124
… …
1134 effect->level = casting_level (caster, spell); 1131 effect->level = casting_level (caster, spell);
1135 effect->attacktype = spell->attacktype; 1132 effect->attacktype = spell->attacktype;
1136 if (effect->attacktype & (AT_HOLYWORD | AT_GODPOWER)) 1133 if (effect->attacktype & (AT_HOLYWORD | AT_GODPOWER))
1137 { 1134 {
1138 if (tailor_god_spell (effect, op)) 1135 if (tailor_god_spell (effect, op))
1139 new_draw_info_format (NDI_UNIQUE, 0, op, "%s answers your call!", determine_god (op)); 1136 new_draw_info_format (NDI_UNIQUE, 0, op, "%s answers your call!", (const char *)determine_god (op));
1140 else 1137 else
1141 { 1138 {
1142 new_draw_info (NDI_UNIQUE, 0, op, "Your request is ignored."); 1139 new_draw_info (NDI_UNIQUE, 0, op, "Your request is ignored.");
1143 return 0; 1140 return 0;
1144 } 1141 }
… …
1247 * we do this by creating a force and inserting it in the 1244 * we do this by creating a force and inserting it in the
1248 * object. if time is 0, the object glows permanently. To truely 1245 * object. if time is 0, the object glows permanently. To truely
1249 * make this work for non-living objects, we would have to 1246 * make this work for non-living objects, we would have to
1250 * give them the capability to have an inventory. b.t. 1247 * give them the capability to have an inventory. b.t.
1251 */ 1248 */
1252int 1249static int
1253make_object_glow (object *op, int radius, int time) 1250make_object_glow (object *op, int radius, int time)
1254{ 1251{
1255 /* some things are unaffected... */ 1252 /* some things are unaffected... */
1256 if (op->path_denied & PATH_LIGHT) 1253 if (op->path_denied & PATH_LIGHT)
1257 return 0; 1254 return 0;
1258 1255
1259 object *tmp = get_archetype (FORCE_NAME); 1256 object *tmp = get_archetype (FORCE_NAME);
1260 tmp->speed = 0.01; 1257 tmp->speed = 0.01;
1261 tmp->stats.food = time; 1258 tmp->stats.food = time;
1262 SET_FLAG (tmp, FLAG_IS_USED_UP); 1259 SET_FLAG (tmp, FLAG_IS_USED_UP);
1263 tmp->glow_radius = min (MAX_LIGHT_RADIUS, radius); 1260 tmp->set_glow_radius (min (MAX_LIGHT_RADIUS, radius));
1264 tmp = insert_ob_in_ob (tmp, op); 1261 tmp = insert_ob_in_ob (tmp, op);
1265 1262
1266 if (tmp->glow_radius > op->glow_radius) 1263 if (tmp->glow_radius > op->glow_radius)
1267 op->glow_radius = tmp->glow_radius; 1264 op->set_glow_radius (tmp->glow_radius);
1268 1265
1269 return 1; 1266 return 1;
1270} 1267}
1271 1268
1272int 1269int
… …
1328/*************************************************************************** 1325/***************************************************************************
1329 * 1326 *
1330 * CURSE 1327 * CURSE
1331 * 1328 *
1332 ***************************************************************************/ 1329 ***************************************************************************/
1333
1334int 1330int
1335cast_curse (object *op, object *caster, object *spell_ob, int dir) 1331cast_curse (object *op, object *caster, object *spell_ob, int dir)
1336{ 1332{
1337 object *god = find_god (determine_god (op)); 1333 object *god = find_god (determine_god (op));
1338 object *tmp, *force; 1334 object *tmp, *force;
… …
1416 force->stats.wc = spell_ob->stats.wc; 1412 force->stats.wc = spell_ob->stats.wc;
1417 1413
1418 change_abil (tmp, force); /* Mostly to display any messages */ 1414 change_abil (tmp, force); /* Mostly to display any messages */
1419 insert_ob_in_ob (force, tmp); 1415 insert_ob_in_ob (force, tmp);
1420 tmp->update_stats (); 1416 tmp->update_stats ();
1417
1421 return 1; 1418 return 1;
1422
1423} 1419}
1424 1420
1425/********************************************************************** 1421/**********************************************************************
1426 * mood change 1422 * mood change
1427 * Arguably, this may or may not be an attack spell. But since it 1423 * Arguably, this may or may not be an attack spell. But since it
… …
1449 * so even if the player doesn't worship a god, if race=GOD_.., it 1445 * so even if the player doesn't worship a god, if race=GOD_.., it
1450 * won't ever match anything. 1446 * won't ever match anything.
1451 */ 1447 */
1452 if (!spell->race) 1448 if (!spell->race)
1453 race = NULL; 1449 race = NULL;
1454 else if (god && !strcmp (spell->race, "GOD_SLAYING")) 1450 else if (god && spell->race == shstr_GOD_SLAYING)
1455 race = god->slaying; 1451 race = god->slaying;
1456 else if (god && !strcmp (spell->race, "GOD_FRIEND")) 1452 else if (god && spell->race == shstr_GOD_FRIEND)
1457 race = god->race; 1453 race = god->race;
1458 else 1454 else
1459 race = spell->race; 1455 race = spell->race;
1460 1456
1461 unordered_mapwalk (op, -range, -range, range, range) 1457 unordered_mapwalk (op, -range, -range, range, range)
… …
1528 Ryo, august 14th 1524 Ryo, august 14th
1529 */ 1525 */
1530 if (head->level > level) 1526 if (head->level > level)
1531 continue; 1527 continue;
1532 1528
1533 if (random_roll (0, 100, caster, PREFER_LOW) >= (20 + MIN (50, 2 * (level - head->level)))) 1529 if (random_roll (0, 100, caster, PREFER_LOW) >= (20 + min (50, 2 * (level - head->level))))
1534 /* Failed, no effect */ 1530 /* Failed, no effect */
1535 continue; 1531 continue;
1536 } 1532 }
1537 1533
1538 /* Done with saving throw. Now start affecting the monster */ 1534 /* Done with saving throw. Now start affecting the monster */
… …
1909 } 1905 }
1910 1906
1911 tmp->stats.food = spell->duration + SP_level_duration_adjust (caster, spell); 1907 tmp->stats.food = spell->duration + SP_level_duration_adjust (caster, spell);
1912 1908
1913 if (tmp->glow_radius) 1909 if (tmp->glow_radius)
1914 tmp->glow_radius = min (MAX_LIGHT_RADIUS, spell->range + SP_level_range_adjust (caster, spell)); 1910 tmp->set_glow_radius (
1911 clamp (spell->range + SP_level_range_adjust (caster, spell), 1, MAX_LIGHT_RADIUS)
1912 );
1915 1913
1916 if (dir) 1914 if (dir)
1917 m->insert (tmp, x, y, op); 1915 m->insert (tmp, x, y, op);
1918 else 1916 else
1919 caster->outer_env ()->insert (tmp); 1917 caster->outer_env_or_self ()->insert (tmp);
1920 1918
1921 return 1; 1919 return 1;
1922} 1920}
1923 1921
1924/* cast_cause_disease: this spell looks along <dir> from the 1922/* cast_cause_disease: this spell looks along <dir> from the
… …
2033 if (infect_object (walk, disease, 1)) 2031 if (infect_object (walk, disease, 1))
2034 { 2032 {
2035 new_draw_info_format (NDI_UNIQUE, 0, op, "You inflict %s on %s!", &disease->name, &walk->name); 2033 new_draw_info_format (NDI_UNIQUE, 0, op, "You inflict %s on %s!", &disease->name, &walk->name);
2036 2034
2037 disease->destroy (); /* don't need this one anymore */ 2035 disease->destroy (); /* don't need this one anymore */
2038 walk->map->insert (get_archetype ("detect_magic"), x, y, op); 2036 walk->map->insert (get_archetype (shstr_detect_magic), x, y, op);
2039 return 1; 2037 return 1;
2040 } 2038 }
2041 2039
2042 disease->destroy (); 2040 disease->destroy ();
2043 } 2041 }

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