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Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.98 by root, Sun Oct 4 19:49:12 2009 UTC vs.
Revision 1.114 by root, Sat Apr 10 04:54:10 2010 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 (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992 Frank Tore Johansen
7 * 7 *
8 * Deliantra is free software: you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation, either version 3 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 11 * option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
20 * 21 *
21 * The authors can be reached via e-mail to <support@deliantra.net> 22 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 23 */
23 24
24#include <global.h> 25#include <global.h>
82 */ 83 */
83void 84void
84spell_effect (object *spob, int x, int y, maptile *map, object *originator) 85spell_effect (object *spob, int x, int y, maptile *map, object *originator)
85{ 86{
86 if (spob->other_arch) 87 if (spob->other_arch)
87 map->insert (arch_to_object (spob->other_arch), x, y, originator); 88 map->insert (spob->other_arch->instance (), x, y, originator);
88} 89}
89 90
90static int 91static int
91attuned_bonus (object *caster, object *spell, int level) 92attuned_bonus (object *caster, object *spell, int level)
92{ 93{
148 int sp, grace, level = casting_level (caster, spell); 149 int sp, grace, level = casting_level (caster, spell);
149 150
150 if (settings.spellpoint_level_depend == TRUE) 151 if (settings.spellpoint_level_depend == TRUE)
151 { 152 {
152 if (spell->stats.sp && spell->stats.maxsp) 153 if (spell->stats.sp && spell->stats.maxsp)
153 {
154 sp = (int) (spell->stats.sp * (1.0 + MAX (0, (float) (level - spell->level) / (float) spell->stats.maxsp))); 154 sp = spell->stats.sp * (1.f + max (0.f, float (level - spell->level) / spell->stats.maxsp));
155 }
156 else 155 else
157 sp = spell->stats.sp; 156 sp = spell->stats.sp;
158 157
159 sp *= (int) PATH_SP_MULT (caster, spell); 158 sp *= (int) PATH_SP_MULT (caster, spell);
160 if (!sp && spell->stats.sp) 159 if (!sp && spell->stats.sp)
161 sp = 1; 160 sp = 1;
162 161
163 if (spell->stats.grace && spell->stats.maxgrace) 162 if (spell->stats.grace && spell->stats.maxgrace)
164 {
165 grace = (int) (spell->stats.grace * (1.0 + MAX (0, (float) (level - spell->level) / (float) spell->stats.maxgrace))); 163 grace = spell->stats.grace * (1.0 + max (0, float (level - spell->level) / spell->stats.maxgrace));
166 }
167 else 164 else
168 grace = spell->stats.grace; 165 grace = spell->stats.grace;
169 166
170 grace *= (int) PATH_SP_MULT (caster, spell); 167 grace *= PATH_SP_MULT (caster, spell);
171 if (spell->stats.grace && !grace) 168 if (spell->stats.grace && !grace)
172 grace = 1; 169 grace = 1;
173 } 170 }
174 else 171 else
175 { 172 {
181 if (spell->stats.grace && !grace) 178 if (spell->stats.grace && !grace)
182 grace = 1; 179 grace = 1;
183 } 180 }
184 181
185 if (flags == SPELL_HIGHEST) 182 if (flags == SPELL_HIGHEST)
186 return MAX (sp, grace); 183 return max (sp, grace);
187 else if (flags == SPELL_GRACE) 184 else if (flags == SPELL_GRACE)
188 return grace; 185 return grace;
189 else if (flags == SPELL_MANA) 186 else if (flags == SPELL_MANA)
190 return sp; 187 return sp;
191 else 188 else
535 ****************************************************************************/ 532 ****************************************************************************/
536void 533void
537regenerate_rod (object *rod) 534regenerate_rod (object *rod)
538{ 535{
539 if (rod->stats.hp < rod->stats.maxhp) 536 if (rod->stats.hp < rod->stats.maxhp)
540 rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 10); 537 rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 20);
541} 538}
542 539
543void 540void
544drain_rod_charge (object *rod) 541drain_rod_charge (object *rod)
545{ 542{
637 634
638/* put_a_monster: puts a monster named monstername near by 635/* put_a_monster: puts a monster named monstername near by
639 * op. This creates the treasures for the monsters, and 636 * op. This creates the treasures for the monsters, and
640 * also deals with multipart monsters properly. 637 * also deals with multipart monsters properly.
641 */ 638 */
642void 639static void
643put_a_monster (object *op, const char *monstername) 640put_a_monster (object *op, const char *monstername)
644{ 641{
645 object *tmp, *head = NULL, *prev = NULL; 642 object *tmp, *head = NULL, *prev = NULL;
646 archetype *at; 643 archetype *at;
647 int dir; 644 int dir;
662 * insert multipart monsters properly 659 * insert multipart monsters properly
663 */ 660 */
664 //TODO: use expand_tail + ... 661 //TODO: use expand_tail + ...
665 while (at != NULL) 662 while (at != NULL)
666 { 663 {
667 tmp = arch_to_object (at); 664 tmp = at->instance ();
668 tmp->x = op->x + freearr_x[dir] + at->x; 665 tmp->x = op->x + freearr_x[dir] + at->x;
669 tmp->y = op->y + freearr_y[dir] + at->y; 666 tmp->y = op->y + freearr_y[dir] + at->y;
670 tmp->map = op->map; 667 tmp->map = op->map;
671 if (head) 668 if (head)
672 { 669 {
783 * at casting a prayer. 780 * at casting a prayer.
784 * op is the player. 781 * op is the player.
785 * failure is basically how much grace they had. 782 * failure is basically how much grace they had.
786 * power is how much grace the spell would normally take to cast. 783 * power is how much grace the spell would normally take to cast.
787 */ 784 */
788void 785static void
789prayer_failure (object *op, int failure, int power) 786prayer_failure (object *op, int failure, int power)
790{ 787{
791 const char *godname; 788 const char *godname;
792 object *tmp; 789 object *tmp;
793 790
886 tmp->insert_at (op); 883 tmp->insert_at (op);
887 } 884 }
888 } 885 }
889} 886}
890 887
891int 888static int
892cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam) 889cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam)
893{ 890{
894 if (!spell_ob->other_arch) 891 if (!spell_ob->other_arch)
895 { 892 {
896 LOG (llevError, "cast_party_spell: empty other arch\n"); 893 LOG (llevError, "cast_party_spell: empty other arch\n");
897 return 0; 894 return 0;
898 } 895 }
899 896
900 object *spell = arch_to_object (spell_ob->other_arch); 897 object *spell = spell_ob->other_arch->instance ();
901 898
902 /* Always cast spell on caster */ 899 /* Always cast spell on caster */
903 int success = cast_spell (op, caster, dir, spell, spellparam); 900 int success = cast_spell (op, caster, dir, spell, spellparam);
904 901
905 if (!op->contr || !op->contr->party) 902 if (!op->contr || !op->contr->party)
992 { 989 {
993 skill = find_skill_by_name (op, spell_ob->skill); 990 skill = find_skill_by_name (op, spell_ob->skill);
994 991
995 if (!skill) 992 if (!skill)
996 { 993 {
997 op->failmsg (format ("You need the skill %s to cast %s! " 994 op->failmsgf ("You need the %s skill to cast %s! "
998 "H<You either need to learn the skill via a skill scroll " 995 "H<You either need to learn the skill via a skill scroll "
999 "or you need to wear a talisman or holy symbol.>", 996 "or you need to wear a talisman, holy symbol or another skill tool.>",
1000 &spell_ob->skill, &spell_ob->name)); 997 &spell_ob->skill, &spell_ob->name);
1001 return 0; 998 return 0;
1002 } 999 }
1003 1000
1004 const char *msg = ""; 1001 const char *msg = "";
1005 1002
1006 int caster_level = skill->level; 1003 int caster_level = skill->level;
1017 msg = " (repelled)"; 1014 msg = " (repelled)";
1018 } 1015 }
1019 1016
1020 if (spell_ob->level > caster_level) 1017 if (spell_ob->level > caster_level)
1021 { 1018 {
1022 op->failmsg (format ("You lack enough skill to cast that spell! " 1019 op->failmsgf ("You lack enough skill to cast that spell! "
1023 "H<Your effective cast level is %d%s, but level %d is required.>", 1020 "H<Your effective cast level is %d%s, but level %d is required.>",
1024 caster_level, msg, spell_ob->level)); 1021 caster_level, msg, spell_ob->level);
1025 if (!op->is_wiz ()) 1022 if (!op->is_wiz ())
1026 return 0; 1023 return 0;
1027 } 1024 }
1028 } 1025 }
1029 1026
1046 10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0) 1043 10 * SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) / op->stats.maxgrace > 0)
1047 op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname)); 1044 op->statusmsg (format ("%s grants your prayer, though you are unworthy.", godname));
1048 else 1045 else
1049 { 1046 {
1050 prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace); 1047 prayer_failure (op, op->stats.grace, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE) - op->stats.grace);
1051 op->failmsg (format ("%s ignores your prayer.", godname)); 1048 op->failmsgf ("%s ignores your prayer.", godname);
1052 return 0; 1049 return 0;
1053 } 1050 }
1054 } 1051 }
1055 1052
1056 /* player/monster is trying to cast the spell. might fumble it */ 1053 /* player/monster is trying to cast the spell. might fumble it */
1057 if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) < 1054 if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) <
1058 (spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis])) 1055 (spell_ob->level / (float) max (1, op->level) * cleric_chance[op->stats.Wis]))
1059 { 1056 {
1060 op->contr->play_sound (sound_find ("fumble_spell")); 1057 op->contr->play_sound (sound_find ("fumble_spell"));
1061 op->failmsg ("You fumble the prayer."); 1058 op->failmsg ("You fumble the prayer.");
1062 1059
1063 op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW); 1060 op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW);
1088 * doing. 1085 * doing.
1089 */ 1086 */
1090 1087
1091 if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)! 1088 if ((mflags & P_SAFE) && !QUERY_FLAG (op, FLAG_WIZCAST)) // There is _ABSOLUTELY_ no magic allowed here (except wizards :-)!
1092 { 1089 {
1090 op->speed_left -= 2 * op->speed; // freeze for two ticks, so we don't flood
1093 op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!"); 1091 op->failmsg ("This ground is sacred! The gods prevent any magical effects done by you here!");
1094 return 0; 1092 return 0;
1095 } 1093 }
1096 1094
1097 if ((spell_ob->type == SPELL) 1095 if ((spell_ob->type == SPELL)
1103 { 1101 {
1104 if (op->type != PLAYER) 1102 if (op->type != PLAYER)
1105 return 0; 1103 return 0;
1106 1104
1107 if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace) 1105 if ((mflags & P_NO_CLERIC) && spell_ob->stats.grace)
1108 op->failmsg (format ("This ground is unholy! %s ignores you.", godname)); 1106 op->failmsgf ("This ground is unholy! %s ignores you.", godname);
1109 else if (object *item = op->contr->ranged_ob) 1107 else if (object *item = op->contr->ranged_ob)
1110 { 1108 {
1111 if (item->type == SPELL) 1109 if (item->type == SPELL)
1112 op->failmsg ("Something blocks your spellcasting."); 1110 op->failmsg ("Something blocks your spellcasting.");
1113 else if (item->type == SCROLL) 1111 else if (item->type == SCROLL)
1129 * the player any time. 1127 * the player any time.
1130 * Ignore casting time for firewalls 1128 * Ignore casting time for firewalls
1131 */ 1129 */
1132 if (caster == op && caster->type != FIREWALL) 1130 if (caster == op && caster->type != FIREWALL)
1133 { 1131 {
1134 op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed); 1132 op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
1135 /* Other portions of the code may also decrement the speed of the player, so 1133 /* Other portions of the code may also decrement the speed of the player, so
1136 * put a lower limit so that the player isn't stuck here too long 1134 * put a lower limit so that the player isn't stuck here too long
1137 */ 1135 */
1138 if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed)) 1136 if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed)
1139 op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed); 1137 op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * op->speed;
1140 } 1138 }
1141 else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL) 1139 else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL)
1142 op->speed_left -= 2 * FABS (op->speed); 1140 op->speed_left -= 2 * op->speed;
1143 1141
1144 if (op->type == PLAYER && op == caster) 1142 if (op->type == PLAYER && op == caster)
1145 { 1143 {
1146 op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE); 1144 op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE);
1147 op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA); 1145 op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA);
1154 if (op != caster && !skill && caster->skill) 1152 if (op != caster && !skill && caster->skill)
1155 { 1153 {
1156 skill = find_skill_by_name (op, caster->skill); 1154 skill = find_skill_by_name (op, caster->skill);
1157 if (!skill) 1155 if (!skill)
1158 { 1156 {
1159 op->failmsg (format ("You lack the skill %s to use the %s!", &caster->skill, query_name (caster))); 1157 op->failmsgf ("You lack the %s skill, which is required to use the %s!", &caster->skill, query_name (caster));
1160 return 0; 1158 return 0;
1161 } 1159 }
1162 1160
1163 op->change_skill (skill); /* needed for proper exp credit */ 1161 op->change_skill (skill); /* needed for proper exp credit */
1164 } 1162 }
1323 break; 1321 break;
1324 1322
1325 case SP_MOVING_BALL: 1323 case SP_MOVING_BALL:
1326 if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled) 1324 if (spell_ob->path_repelled && (spell_ob->path_repelled & caster->path_attuned) != spell_ob->path_repelled)
1327 { 1325 {
1328 op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name)); 1326 op->failmsgf ("You lack the proper attunement to cast %s!", &spell_ob->name);
1329 success = 0; 1327 success = 0;
1330 } 1328 }
1331 else 1329 else
1332 success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob); 1330 success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob);
1333 break; 1331 break;
1445 move_aura (op); 1443 move_aura (op);
1446 break; 1444 break;
1447 } 1445 }
1448} 1446}
1449 1447
1450/* this checks to see if something special should happen if
1451 * something runs into the object.
1452 */
1453void
1454check_spell_effect (object *op)
1455{
1456 switch (op->subtype)
1457 {
1458 case SP_BOLT:
1459 move_bolt (op);
1460 return;
1461
1462 case SP_BULLET:
1463 check_bullet (op);
1464 return;
1465 }
1466}
1467
1468/* This is called by move_apply. Basically, if someone 1448/* This is called by move_apply. Basically, if someone
1469 * moves onto a spell effect and the walk_on or fly_on flags 1449 * moves onto a spell effect and the walk_on or fly_on flags
1470 * are set, this is called. This should only be called for 1450 * are set, this is called. This should only be called for
1471 * objects of the appropriate type. 1451 * objects of the appropriate type.
1472 */ 1452 */
1474apply_spell_effect (object *spell, object *victim) 1454apply_spell_effect (object *spell, object *victim)
1475{ 1455{
1476 switch (spell->subtype) 1456 switch (spell->subtype)
1477 { 1457 {
1478 case SP_CONE: 1458 case SP_CONE:
1479 if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->speed && spell->attacktype) 1459 if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->has_active_speed () && spell->attacktype)
1480 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0); 1460 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0);
1481 break; 1461 break;
1482 1462
1483 case SP_MAGIC_MISSILE: 1463 case SP_MAGIC_MISSILE:
1484 if (QUERY_FLAG (victim, FLAG_ALIVE)) 1464 if (QUERY_FLAG (victim, FLAG_ALIVE))
1489 break; 1469 break;
1490 1470
1491 case SP_MOVING_BALL: 1471 case SP_MOVING_BALL:
1492 if (QUERY_FLAG (victim, FLAG_ALIVE)) 1472 if (QUERY_FLAG (victim, FLAG_ALIVE))
1493 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1); 1473 hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1);
1494 else if (victim->materialname) 1474 else if (victim->material != MATERIAL_NULL)
1495 save_throw_object (victim, spell->attacktype, spell); 1475 save_throw_object (victim, spell->attacktype, spell);
1496 1476
1497 break; 1477 break;
1498 } 1478 }
1499} 1479}

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