| 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 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
4 | * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
| 5 | * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team |
5 | * Copyright (©) 2001,2007 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 |
| 9 | * it under the terms of the GNU General Public License as published by |
9 | * it under the terms of the GNU General Public License as published by |
| … | |
… | |
| 77 | dest->skill = spob->skill; |
77 | dest->skill = spob->skill; |
| 78 | else |
78 | else |
| 79 | dest->skill = caster->skill; |
79 | dest->skill = caster->skill; |
| 80 | } |
80 | } |
| 81 | |
81 | |
| 82 | /* init_spells: This should really be called check_spells, as that |
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| 83 | * is what it does. It goes through the spells looking for any |
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| 84 | * obvious errors. This was most useful in debugging when re-doing |
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| 85 | * all the spells to catch simple errors. To use it all the time |
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| 86 | * will result in it spitting out messages that aren't really errors. |
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| 87 | */ |
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| 88 | void |
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| 89 | init_spells (void) |
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| 90 | { |
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| 91 | #ifdef SPELL_DEBUG |
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| 92 | static int init_spells_done = 0; |
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| 93 | int i; |
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| 94 | archetype *at; |
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| 95 | |
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| 96 | if (init_spells_done) |
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| 97 | return; |
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| 98 | LOG (llevDebug, "Checking spells...\n"); |
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| 99 | |
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| 100 | for_all_archetypes (at) |
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| 101 | { |
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| 102 | if (at->type == SPELL) |
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| 103 | { |
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| 104 | if (at->skill) |
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| 105 | { |
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| 106 | for (i = 1; i < NUM_SKILLS; i++) |
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| 107 | if (!strcmp (skill_names[i], at->skill)) |
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| 108 | break; |
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| 109 | if (i == NUM_SKILLS) |
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| 110 | { |
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| 111 | LOG (llevError, "Spell %s has improper associated skill %s\n", at->name, at->skill); |
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| 112 | } |
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| 113 | } |
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| 114 | /* other_arch is already checked for in the loader */ |
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| 115 | } |
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| 116 | } |
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| 117 | |
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| 118 | i = 0; |
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| 119 | while (spell_mapping[i]) |
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| 120 | { |
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| 121 | if (!archetype::find (spell_mapping[i])) |
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| 122 | { |
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| 123 | LOG (llevError, "Unable to find spell mapping %s (%i)\n", spell_mapping[i], i); |
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| 124 | } |
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| 125 | i++; |
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| 126 | } |
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| 127 | LOG (llevDebug, "Checking spells completed.\n"); |
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| 128 | #endif |
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| 129 | } |
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| 130 | |
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| 131 | /* Dumps all the spells - now also dumps skill associated with the spell. |
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| 132 | * not sure what this would be used for, as the data seems pretty |
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| 133 | * minimal, but easy enough to keep around. |
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| 134 | */ |
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| 135 | void |
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| 136 | dump_spells () |
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| 137 | { |
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| 138 | for_all_archetypes (at) |
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| 139 | if (at->type == SPELL) |
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| 140 | fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->object::name, |
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| 141 | &at->archname, at->other_arch ? &at->other_arch->archname : "<nil>", &at->skill, at->level); |
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| 142 | } |
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| 143 | |
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| 144 | /* pretty basic function - basically just takes |
82 | /* pretty basic function - basically just takes |
| 145 | * an object, sets the x,y, and calls insert_ob_in_map |
83 | * an object, sets the x,y, and calls insert_ob_in_map |
| 146 | */ |
84 | */ |
| 147 | void |
85 | void |
| 148 | spell_effect (object *spob, int x, int y, maptile *map, object *originator) |
86 | spell_effect (object *spob, int x, int y, maptile *map, object *originator) |
| … | |
… | |
| 183 | int |
121 | int |
| 184 | caster_level (object *caster, object *spell) |
122 | caster_level (object *caster, object *spell) |
| 185 | { |
123 | { |
| 186 | int level = caster->level; |
124 | int level = caster->level; |
| 187 | |
125 | |
| 188 | /* If this is a player, try to find the matching skill */ |
126 | /* if a rod is fired by a player, take the use_magic_item skill in consideration. */ |
| 189 | if (caster->type == PLAYER && spell->skill) |
127 | if (caster->type == ROD && caster->env && caster->env->type == PLAYER) |
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128 | { |
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129 | object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM); |
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130 | int sk_level = skill ? skill->level : 1; |
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131 | |
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132 | level = min (level, sk_level + level / 10 + 1); |
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133 | } |
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134 | else if (caster->type == PLAYER && spell->skill) /* If this is a player, try to find the matching skill */ |
| 190 | for (int i = 0; i < NUM_SKILLS; i++) |
135 | for (int i = 0; i < NUM_SKILLS; i++) |
| 191 | if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill) |
136 | if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill) |
| 192 | { |
137 | { |
| 193 | level = caster->contr->last_skill_ob[i]->level; |
138 | level = caster->contr->last_skill_ob[i]->level; |
| 194 | break; |
139 | break; |
| 195 | } |
140 | } |
| 196 | |
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| 197 | /* if a rod is fired by a player, take the use_magic_item skill in consideration. */ |
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| 198 | if (caster->type == ROD && caster->env && caster->env->type == PLAYER) |
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| 199 | { |
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| 200 | object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM); |
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| 201 | int sk_level = skill ? skill->level : 1; |
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| 202 | |
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| 203 | level = MIN (level, sk_level + level / 10 + 1); |
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| 204 | } |
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| 205 | |
141 | |
| 206 | /* Got valid caster level. Now adjust for attunement */ |
142 | /* Got valid caster level. Now adjust for attunement */ |
| 207 | level += caster->path_repelled & spell->path_attuned ? -8 : 0; |
143 | level += caster->path_repelled & spell->path_attuned ? -8 : 0; |
| 208 | level += caster->path_attuned & spell->path_attuned ? +8 : 0; |
144 | level += caster->path_attuned & spell->path_attuned ? +8 : 0; |
| 209 | |
145 | |
| … | |
… | |
| 257 | else |
193 | else |
| 258 | { |
194 | { |
| 259 | sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell)); |
195 | sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell)); |
| 260 | if (spell->stats.sp && !sp) |
196 | if (spell->stats.sp && !sp) |
| 261 | sp = 1; |
197 | sp = 1; |
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198 | |
| 262 | grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell)); |
199 | grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell)); |
| 263 | if (spell->stats.grace && !grace) |
200 | if (spell->stats.grace && !grace) |
| 264 | grace = 1; |
201 | grace = 1; |
| 265 | } |
202 | } |
| 266 | |
203 | |
| … | |
… | |
| 324 | */ |
261 | */ |
| 325 | object * |
262 | object * |
| 326 | check_spell_known (object *op, const char *name) |
263 | check_spell_known (object *op, const char *name) |
| 327 | { |
264 | { |
| 328 | object *spop; |
265 | object *spop; |
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266 | shstr_cmp name_ (name); |
| 329 | |
267 | |
| 330 | for (spop = op->inv; spop; spop = spop->below) |
268 | for (spop = op->inv; spop; spop = spop->below) |
| 331 | if (spop->type == SPELL && !strcmp (spop->name, name)) |
269 | if (spop->type == SPELL && spop->name == name) |
| 332 | return spop; |
270 | return spop; |
| 333 | |
271 | |
| 334 | return NULL; |
272 | return 0; |
| 335 | } |
273 | } |
| 336 | |
274 | |
| 337 | |
275 | |
| 338 | /* |
276 | /* |
| 339 | * Look at object 'op' and see if they know the spell |
277 | * Look at object 'op' and see if they know the spell |
| … | |
… | |
| 456 | { |
394 | { |
| 457 | if (!xy_normalise (m, x, y)) |
395 | if (!xy_normalise (m, x, y)) |
| 458 | return 0; |
396 | return 0; |
| 459 | |
397 | |
| 460 | mapspace &ms = m->at (x, y); |
398 | mapspace &ms = m->at (x, y); |
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399 | ms.update (); |
| 461 | |
400 | |
| 462 | if (OB_TYPE_MOVE_BLOCK (op, ms.move_block)) |
401 | if (OB_TYPE_MOVE_BLOCK (op, ms.move_block)) |
| 463 | return 0; |
402 | return 0; |
| 464 | |
403 | |
| 465 | for (object *tmp = ms.bot; tmp; tmp = tmp->above) |
404 | for (object *tmp = ms.bot; tmp; tmp = tmp->above) |
| … | |
… | |
| 501 | /* |
440 | /* |
| 502 | * Combine similar spell effects into one spell effect. Needed for |
441 | * Combine similar spell effects into one spell effect. Needed for |
| 503 | * performance reasons with meteor swarm and the like, but also for |
442 | * performance reasons with meteor swarm and the like, but also for |
| 504 | * playability reasons. |
443 | * playability reasons. |
| 505 | */ |
444 | */ |
| 506 | if (tmp->arch == op->arch |
445 | if (tmp->arch == op->arch /* no harm if not comparing by name here */ |
| 507 | && tmp->type == op->type |
446 | && tmp->type == op->type |
| 508 | && tmp->subtype == op->subtype |
447 | && tmp->subtype == op->subtype |
| 509 | && tmp->owner == op->owner |
448 | && tmp->owner == op->owner |
| 510 | && ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp))) |
449 | && ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp))) |
| 511 | { |
450 | { |
| … | |
… | |
| 535 | * returns 0 on failure, 1 on success. |
474 | * returns 0 on failure, 1 on success. |
| 536 | */ |
475 | */ |
| 537 | int |
476 | int |
| 538 | fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell) |
477 | fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell) |
| 539 | { |
478 | { |
| 540 | object *tmp; |
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| 541 | int mflags; |
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| 542 | maptile *m; |
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| 543 | |
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| 544 | if (spell->other_arch == NULL) |
479 | if (!spell->other_arch) |
| 545 | return 0; |
480 | return 0; |
| 546 | |
481 | |
| 547 | m = op->map; |
482 | object *tmp = spell->other_arch->instance (); |
| 548 | mflags = get_map_flags (m, &m, x, y, &x, &y); |
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| 549 | if (mflags & P_OUT_OF_MAP) |
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| 550 | { |
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| 551 | return 0; |
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| 552 | } |
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| 553 | |
483 | |
| 554 | tmp = arch_to_object (spell->other_arch); |
484 | if (!tmp) |
| 555 | |
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| 556 | if (tmp == NULL) |
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| 557 | return 0; |
485 | return 0; |
| 558 | |
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| 559 | if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y))) |
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| 560 | { |
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| 561 | new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n"); |
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| 562 | tmp->destroy (); |
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| 563 | return 0; |
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| 564 | } |
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| 565 | |
486 | |
| 566 | tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell); |
487 | tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell); |
| 567 | tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell); |
488 | tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell); |
| 568 | /* code in time.c uses food for some things, duration for others */ |
489 | /* code in time.c uses food for some things, duration for others */ |
| 569 | tmp->stats.food = tmp->duration; |
490 | tmp->stats.food = tmp->duration; |
| 570 | tmp->range = spell->range + SP_level_range_adjust (caster, spell); |
491 | tmp->range = spell->range + SP_level_range_adjust (caster, spell); |
| 571 | tmp->attacktype = spell->attacktype; |
492 | tmp->attacktype = spell->attacktype; |
| 572 | tmp->x = x; |
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| 573 | tmp->y = y; |
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| 574 | tmp->direction = dir; |
493 | tmp->direction = dir; |
| 575 | if (op->owner != NULL) |
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| 576 | tmp->set_owner (op); |
494 | tmp->set_owner (op); |
| 577 | else |
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| 578 | tmp->set_owner (op); |
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| 579 | tmp->level = caster_level (caster, spell); |
495 | tmp->level = caster_level (caster, spell); |
| 580 | set_spell_skill (op, caster, spell, tmp); |
496 | set_spell_skill (op, caster, spell, tmp); |
| 581 | |
497 | |
| 582 | /* needed for AT_HOLYWORD,AT_GODPOWER stuff */ |
498 | /* needed for AT_HOLYWORD,AT_GODPOWER stuff */ |
| 583 | if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER) |
499 | if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER) |
| 584 | { |
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| 585 | if (!tailor_god_spell (tmp, op)) |
500 | if (!tailor_god_spell (tmp, op)) |
| 586 | return 0; |
501 | return 0; |
| 587 | } |
502 | |
| 588 | if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE)) |
503 | if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE)) |
| 589 | SET_ANIMATION (tmp, dir); |
504 | SET_ANIMATION (tmp, dir); |
| 590 | |
505 | |
| 591 | if ((tmp = insert_ob_in_map (tmp, m, op, 0))) |
506 | if ((tmp = op->map->insert (tmp, x, y, op))) |
| 592 | move_spell_effect (tmp); |
507 | move_spell_effect (tmp); |
| 593 | |
508 | |
| 594 | return 1; |
509 | return 1; |
| 595 | } |
510 | } |
| 596 | |
511 | |
| … | |
… | |
| 651 | if (!tmp) |
566 | if (!tmp) |
| 652 | tmp = op->ms ().player (); |
567 | tmp = op->ms ().player (); |
| 653 | |
568 | |
| 654 | return tmp; |
569 | return tmp; |
| 655 | } |
570 | } |
| 656 | |
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| 657 | |
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| 658 | |
571 | |
| 659 | /* raytrace: |
572 | /* raytrace: |
| 660 | * spell_find_dir(map, x, y, exclude) will search first the center square |
573 | * spell_find_dir(map, x, y, exclude) will search first the center square |
| 661 | * then some close squares in the given map at the given coordinates for |
574 | * then some close squares in the given map at the given coordinates for |
| 662 | * live objects. |
575 | * live objects. |
| … | |
… | |
| 665 | * monsters/generators only. If not, the spell will hunt players only. |
578 | * monsters/generators only. If not, the spell will hunt players only. |
| 666 | * It returns the direction toward the first/closest live object if it finds |
579 | * It returns the direction toward the first/closest live object if it finds |
| 667 | * any, otherwise -1. |
580 | * any, otherwise -1. |
| 668 | * note that exclude can be NULL, in which case all bets are off. |
581 | * note that exclude can be NULL, in which case all bets are off. |
| 669 | */ |
582 | */ |
| 670 | |
|
|
| 671 | int |
583 | int |
| 672 | spell_find_dir (maptile *m, int x, int y, object *exclude) |
584 | spell_find_dir (maptile *m, int x, int y, object *exclude) |
| 673 | { |
585 | { |
| 674 | int i, max = SIZEOFFREE; |
586 | int i, max = SIZEOFFREE; |
| 675 | sint16 nx, ny; |
587 | sint16 nx, ny; |
| … | |
… | |
| 755 | create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0); |
667 | create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0); |
| 756 | |
668 | |
| 757 | insert_ob_in_map (head, op->map, op, 0); |
669 | insert_ob_in_map (head, op->map, op, 0); |
| 758 | |
670 | |
| 759 | /* thought it'd be cool to insert a burnout, too. */ |
671 | /* thought it'd be cool to insert a burnout, too. */ |
| 760 | op->map->insert (get_archetype ("burnout"), op->x + freearr_x[dir], op->y + freearr_y[dir], op); |
672 | op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op); |
| 761 | } |
673 | } |
| 762 | } |
674 | } |
| 763 | |
675 | |
| 764 | /* peterm: function which summons hostile monsters and |
676 | /* peterm: function which summons hostile monsters and |
| 765 | * places them in nearby squares. |
677 | * places them in nearby squares. |
| … | |
… | |
| 1067 | { |
979 | { |
| 1068 | skill = find_skill_by_name (op, spell_ob->skill); |
980 | skill = find_skill_by_name (op, spell_ob->skill); |
| 1069 | |
981 | |
| 1070 | if (!skill) |
982 | if (!skill) |
| 1071 | { |
983 | { |
| 1072 | op->failmsg (format ("You need the skill %s to cast %s!", &spell_ob->skill, &spell_ob->name)); |
984 | op->failmsg (format ("You need the skill %s to cast %s! " |
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985 | "H<You either need to learn the skill via a skill scroll " |
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986 | "or you need to wear a talisman or holy symbol.>", |
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987 | &spell_ob->skill, &spell_ob->name)); |
| 1073 | return 0; |
988 | return 0; |
| 1074 | } |
989 | } |
| 1075 | |
990 | |
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991 | int casting_level = min_casting_level (op, spell_ob); |
|
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992 | |
| 1076 | if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ)) |
993 | if (casting_level > cast_level && !QUERY_FLAG (op, FLAG_WIZ)) |
| 1077 | { |
994 | { |
| 1078 | op->failmsg ("You lack enough skill to cast that spell!"); |
995 | op->failmsg (format ("You lack enough skill to cast that spell! " |
|
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996 | "H<Your cast level is %d, but level %d is required. Maybe you are repelled?>", |
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997 | cast_level, casting_level)); |
| 1079 | return 0; |
998 | return 0; |
| 1080 | } |
999 | } |
| 1081 | } |
1000 | } |
| 1082 | |
1001 | |
| 1083 | /* If the caster is the wiz, they don't ever fail, and don't have |
1002 | /* If the caster is the wiz, they don't ever fail, and don't have |
| … | |
… | |
| 1259 | case SP_SMITE: |
1178 | case SP_SMITE: |
| 1260 | success = cast_smite_spell (op, caster, dir, spell_ob); |
1179 | success = cast_smite_spell (op, caster, dir, spell_ob); |
| 1261 | break; |
1180 | break; |
| 1262 | |
1181 | |
| 1263 | case SP_MAGIC_MISSILE: |
1182 | case SP_MAGIC_MISSILE: |
| 1264 | success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob); |
1183 | success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob); |
| 1265 | break; |
1184 | break; |
| 1266 | |
1185 | |
| 1267 | case SP_SUMMON_GOLEM: |
1186 | case SP_SUMMON_GOLEM: |
| 1268 | success = summon_golem (op, caster, dir, spell_ob); |
1187 | success = summon_golem (op, caster, dir, spell_ob); |
| 1269 | break; |
1188 | break; |
| … | |
… | |
| 1380 | { |
1299 | { |
| 1381 | op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name)); |
1300 | op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name)); |
| 1382 | success = 0; |
1301 | success = 0; |
| 1383 | } |
1302 | } |
| 1384 | else |
1303 | else |
| 1385 | success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob); |
1304 | success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob); |
| 1386 | break; |
1305 | break; |
| 1387 | |
1306 | |
| 1388 | case SP_SWARM: |
1307 | case SP_SWARM: |
| 1389 | success = fire_swarm (op, caster, spell_ob, dir); |
1308 | success = fire_swarm (op, caster, spell_ob, dir); |
| 1390 | break; |
1309 | break; |
