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 |
… | |
… | |
212 | LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags); |
212 | LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags); |
213 | return 0; |
213 | return 0; |
214 | } |
214 | } |
215 | } |
215 | } |
216 | |
216 | |
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217 | /* |
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218 | * Return the effective casting level of the spell. |
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219 | */ |
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220 | static int |
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221 | SP_casting_level (object *caster, object *spell) |
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222 | { |
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223 | int level = caster_level (caster, spell); |
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224 | return max (0, level - min_casting_level (caster, spell)); |
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225 | } |
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226 | |
217 | /* SP_level_dam_adjust: Returns adjusted damage based on the caster. |
227 | /* SP_level_dam_adjust: Returns adjusted damage based on the caster. |
218 | * spob is the spell we are adjusting. |
228 | * spob is the spell we are adjusting. |
219 | */ |
229 | */ |
220 | int |
230 | int |
221 | SP_level_dam_adjust (object *caster, object *spob) |
231 | SP_level_dam_adjust (object *caster, object *spob) |
222 | { |
232 | { |
223 | if (!spob->dam_modifier) |
233 | if (!spob->dam_modifier) |
224 | return 0; |
234 | return 0; |
225 | |
235 | |
226 | int level = caster_level (caster, spob); |
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227 | return max (0, level - min_casting_level (caster, spob)) / spob->dam_modifier; |
236 | return SP_casting_level (caster, spob) / spob->dam_modifier; |
228 | } |
237 | } |
229 | |
238 | |
230 | /* Adjust the strength of the spell based on level. |
239 | /* Adjust the strength of the spell based on level. |
231 | * This is basically the same as SP_level_dam_adjust above, |
240 | * This is basically the same as SP_level_dam_adjust above, |
232 | * but instead looks at the level_modifier value. |
241 | * but instead looks at the level_modifier value. |
… | |
… | |
235 | SP_level_duration_adjust (object *caster, object *spob) |
244 | SP_level_duration_adjust (object *caster, object *spob) |
236 | { |
245 | { |
237 | if (!spob->duration_modifier) |
246 | if (!spob->duration_modifier) |
238 | return 0; |
247 | return 0; |
239 | |
248 | |
240 | int level = caster_level (caster, spob); |
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241 | return max (0, level - min_casting_level (caster, spob)) / spob->duration_modifier; |
249 | return SP_casting_level (caster, spob) / spob->duration_modifier; |
242 | } |
250 | } |
243 | |
251 | |
244 | /* Adjust the strength of the spell based on level. |
252 | /* Adjust the strength of the spell based on level. |
245 | * This is basically the same as SP_level_dam_adjust above, |
253 | * This is basically the same as SP_level_dam_adjust above, |
246 | * but instead looks at the level_modifier value. |
254 | * but instead looks at the level_modifier value. |
… | |
… | |
250 | { |
258 | { |
251 | if (!spob->range_modifier) |
259 | if (!spob->range_modifier) |
252 | return 0; |
260 | return 0; |
253 | |
261 | |
254 | int level = caster_level (caster, spob); |
262 | int level = caster_level (caster, spob); |
255 | return (level - min_casting_level (caster, spob)) / spob->range_modifier; |
263 | return SP_casting_level (caster, spob) / spob->range_modifier; |
256 | } |
264 | } |
257 | |
265 | |
258 | /* Checks to see if player knows the spell. If the name is the same |
266 | /* Checks to see if player knows the spell. If the name is the same |
259 | * as an existing spell, we presume they know it. |
267 | * as an existing spell, we presume they know it. |
260 | * returns 1 if they know the spell, 0 if they don't. |
268 | * returns 1 if they know the spell, 0 if they don't. |
261 | */ |
269 | */ |
262 | object * |
270 | object * |
263 | check_spell_known (object *op, const char *name) |
271 | check_spell_known (object *op, const char *name) |
264 | { |
272 | { |
265 | object *spop; |
273 | object *spop; |
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274 | shstr_cmp name_ (name); |
266 | |
275 | |
267 | for (spop = op->inv; spop; spop = spop->below) |
276 | for (spop = op->inv; spop; spop = spop->below) |
268 | if (spop->type == SPELL && !strcmp (spop->name, name)) |
277 | if (spop->type == SPELL && spop->name == name) |
269 | return spop; |
278 | return spop; |
270 | |
279 | |
271 | return NULL; |
280 | return 0; |
272 | } |
281 | } |
273 | |
282 | |
274 | |
283 | |
275 | /* |
284 | /* |
276 | * Look at object 'op' and see if they know the spell |
285 | * Look at object 'op' and see if they know the spell |
… | |
… | |
393 | { |
402 | { |
394 | if (!xy_normalise (m, x, y)) |
403 | if (!xy_normalise (m, x, y)) |
395 | return 0; |
404 | return 0; |
396 | |
405 | |
397 | mapspace &ms = m->at (x, y); |
406 | mapspace &ms = m->at (x, y); |
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407 | ms.update (); |
398 | |
408 | |
399 | if (OB_TYPE_MOVE_BLOCK (op, ms.move_block)) |
409 | if (OB_TYPE_MOVE_BLOCK (op, ms.move_block)) |
400 | return 0; |
410 | return 0; |
401 | |
411 | |
402 | for (object *tmp = ms.bot; tmp; tmp = tmp->above) |
412 | for (object *tmp = ms.bot; tmp; tmp = tmp->above) |
… | |
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472 | * returns 0 on failure, 1 on success. |
482 | * returns 0 on failure, 1 on success. |
473 | */ |
483 | */ |
474 | int |
484 | int |
475 | fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell) |
485 | fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell) |
476 | { |
486 | { |
477 | object *tmp; |
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478 | int mflags; |
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479 | maptile *m; |
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480 | |
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481 | if (spell->other_arch == NULL) |
487 | if (!spell->other_arch) |
482 | return 0; |
488 | return 0; |
483 | |
489 | |
484 | m = op->map; |
490 | object *tmp = spell->other_arch->instance (); |
485 | mflags = get_map_flags (m, &m, x, y, &x, &y); |
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486 | if (mflags & P_OUT_OF_MAP) |
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487 | { |
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488 | return 0; |
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489 | } |
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490 | |
491 | |
491 | tmp = arch_to_object (spell->other_arch); |
492 | if (!tmp) |
492 | |
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493 | if (tmp == NULL) |
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494 | return 0; |
493 | return 0; |
495 | |
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496 | if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y))) |
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497 | { |
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498 | new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n"); |
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499 | tmp->destroy (); |
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500 | return 0; |
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501 | } |
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502 | |
494 | |
503 | tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell); |
495 | tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell); |
504 | tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell); |
496 | tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell); |
505 | /* code in time.c uses food for some things, duration for others */ |
497 | /* code in time.c uses food for some things, duration for others */ |
506 | tmp->stats.food = tmp->duration; |
498 | tmp->stats.food = tmp->duration; |
507 | tmp->range = spell->range + SP_level_range_adjust (caster, spell); |
499 | tmp->range = spell->range + SP_level_range_adjust (caster, spell); |
508 | tmp->attacktype = spell->attacktype; |
500 | tmp->attacktype = spell->attacktype; |
509 | tmp->x = x; |
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510 | tmp->y = y; |
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511 | tmp->direction = dir; |
501 | tmp->direction = dir; |
512 | if (op->owner != NULL) |
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513 | tmp->set_owner (op); |
502 | tmp->set_owner (op); |
514 | else |
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515 | tmp->set_owner (op); |
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516 | tmp->level = caster_level (caster, spell); |
503 | tmp->level = caster_level (caster, spell); |
517 | set_spell_skill (op, caster, spell, tmp); |
504 | set_spell_skill (op, caster, spell, tmp); |
518 | |
505 | |
519 | /* needed for AT_HOLYWORD,AT_GODPOWER stuff */ |
506 | /* needed for AT_HOLYWORD,AT_GODPOWER stuff */ |
520 | if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER) |
507 | if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER) |
521 | { |
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522 | if (!tailor_god_spell (tmp, op)) |
508 | if (!tailor_god_spell (tmp, op)) |
523 | return 0; |
509 | return 0; |
524 | } |
510 | |
525 | if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE)) |
511 | if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE)) |
526 | SET_ANIMATION (tmp, dir); |
512 | SET_ANIMATION (tmp, dir); |
527 | |
513 | |
528 | if ((tmp = insert_ob_in_map (tmp, m, op, 0))) |
514 | if ((tmp = op->map->insert (tmp, x, y, op))) |
529 | move_spell_effect (tmp); |
515 | move_spell_effect (tmp); |
530 | |
516 | |
531 | return 1; |
517 | return 1; |
532 | } |
518 | } |
533 | |
519 | |
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588 | if (!tmp) |
574 | if (!tmp) |
589 | tmp = op->ms ().player (); |
575 | tmp = op->ms ().player (); |
590 | |
576 | |
591 | return tmp; |
577 | return tmp; |
592 | } |
578 | } |
593 | |
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594 | |
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595 | |
579 | |
596 | /* raytrace: |
580 | /* raytrace: |
597 | * spell_find_dir(map, x, y, exclude) will search first the center square |
581 | * spell_find_dir(map, x, y, exclude) will search first the center square |
598 | * then some close squares in the given map at the given coordinates for |
582 | * then some close squares in the given map at the given coordinates for |
599 | * live objects. |
583 | * live objects. |
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602 | * monsters/generators only. If not, the spell will hunt players only. |
586 | * monsters/generators only. If not, the spell will hunt players only. |
603 | * It returns the direction toward the first/closest live object if it finds |
587 | * It returns the direction toward the first/closest live object if it finds |
604 | * any, otherwise -1. |
588 | * any, otherwise -1. |
605 | * note that exclude can be NULL, in which case all bets are off. |
589 | * note that exclude can be NULL, in which case all bets are off. |
606 | */ |
590 | */ |
607 | |
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608 | int |
591 | int |
609 | spell_find_dir (maptile *m, int x, int y, object *exclude) |
592 | spell_find_dir (maptile *m, int x, int y, object *exclude) |
610 | { |
593 | { |
611 | int i, max = SIZEOFFREE; |
594 | int i, max = SIZEOFFREE; |
612 | sint16 nx, ny; |
595 | sint16 nx, ny; |
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1203 | case SP_SMITE: |
1186 | case SP_SMITE: |
1204 | success = cast_smite_spell (op, caster, dir, spell_ob); |
1187 | success = cast_smite_spell (op, caster, dir, spell_ob); |
1205 | break; |
1188 | break; |
1206 | |
1189 | |
1207 | case SP_MAGIC_MISSILE: |
1190 | case SP_MAGIC_MISSILE: |
1208 | success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob); |
1191 | success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob); |
1209 | break; |
1192 | break; |
1210 | |
1193 | |
1211 | case SP_SUMMON_GOLEM: |
1194 | case SP_SUMMON_GOLEM: |
1212 | success = summon_golem (op, caster, dir, spell_ob); |
1195 | success = summon_golem (op, caster, dir, spell_ob); |
1213 | break; |
1196 | break; |
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1324 | { |
1307 | { |
1325 | op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name)); |
1308 | op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name)); |
1326 | success = 0; |
1309 | success = 0; |
1327 | } |
1310 | } |
1328 | else |
1311 | else |
1329 | success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob); |
1312 | success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob); |
1330 | break; |
1313 | break; |
1331 | |
1314 | |
1332 | case SP_SWARM: |
1315 | case SP_SWARM: |
1333 | success = fire_swarm (op, caster, spell_ob, dir); |
1316 | success = fire_swarm (op, caster, spell_ob, dir); |
1334 | break; |
1317 | break; |
… | |
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1460 | check_bullet (op); |
1443 | check_bullet (op); |
1461 | return; |
1444 | return; |
1462 | } |
1445 | } |
1463 | } |
1446 | } |
1464 | |
1447 | |
1465 | /* This is called by move_apply. Basically, if someone |
1448 | /* This is called by move_apply. Basically, if someone |
1466 | * 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 |
1467 | * are set, this is called. This should only be called for |
1450 | * are set, this is called. This should only be called for |
1468 | * objects of the appropraite type. |
1451 | * objects of the appropriate type. |
1469 | */ |
1452 | */ |
1470 | void |
1453 | void |
1471 | apply_spell_effect (object *spell, object *victim) |
1454 | apply_spell_effect (object *spell, object *victim) |
1472 | { |
1455 | { |
1473 | switch (spell->subtype) |
1456 | switch (spell->subtype) |