| 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 (©) 2005,2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
4 | * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
| 5 | * Copyright (©) 2001 Mark Wedel & Crossfire Development Team |
5 | * Copyright (©) 2001 Mark Wedel & Crossfire Development Team |
| 6 | * Copyright (©) 1992 Frank Tore Johansen |
6 | * Copyright (©) 1992 Frank Tore Johansen |
| 7 | * |
7 | * |
| 8 | * Deliantra is free software: you can redistribute it and/or modify it under |
8 | * Deliantra is free software: you can redistribute it and/or modify it under |
| 9 | * the terms of the Affero GNU General Public License as published by the |
9 | * the terms of the Affero GNU General Public License as published by the |
| 10 | * Free Software Foundation, either version 3 of the License, or (at your |
10 | * Free Software Foundation, either version 3 of the License, or (at your |
| 11 | * 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 Affero GNU General Public License |
18 | * You should have received a copy of the Affero GNU General Public License |
| 19 | * and the GNU General Public License along with this program. If not, see |
19 | * and the GNU General Public License along with this program. If not, see |
| 20 | * <http://www.gnu.org/licenses/>. |
20 | * <http://www.gnu.org/licenses/>. |
| 21 | * |
21 | * |
| 22 | * 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> |
| 23 | */ |
23 | */ |
| 24 | |
24 | |
| 25 | #include <global.h> |
25 | #include <global.h> |
| 26 | #include <spells.h> |
26 | #include <spells.h> |
| … | |
… | |
| 255 | return spop; |
255 | return spop; |
| 256 | |
256 | |
| 257 | return 0; |
257 | return 0; |
| 258 | } |
258 | } |
| 259 | |
259 | |
| 260 | /* |
260 | /* |
| 261 | * Look at object 'op' and see if they know the spell |
261 | * Look at object 'op' and see if they know the spell |
| 262 | * spname. This is pretty close to check_spell_known |
262 | * spname. This is pretty close to check_spell_known |
| 263 | * above, but it uses a looser matching mechanism. |
263 | * above, but it uses a looser matching mechanism. |
| 264 | * returns the matching spell object, or NULL. |
264 | * returns the matching spell object, or NULL. |
| 265 | * If we match multiple spells but don't get an |
265 | * If we match multiple spells but don't get an |
| 266 | * exact match, we also return NULL. |
266 | * exact match, we also return NULL. |
| 267 | */ |
267 | */ |
| 268 | object * |
268 | object * |
| 269 | lookup_spell_by_name (object *op, const char *spname) |
269 | object::find_spell (const_utf8_string prefix) const |
| 270 | { |
270 | { |
| 271 | object *spob1 = 0, *spob2 = 0; |
271 | if (shstr_cmp name = prefix) |
| 272 | int nummatch = 0; |
272 | { |
| 273 | |
273 | // case 1, match spell name exactly |
| 274 | if (!spname) |
|
|
| 275 | return 0; |
|
|
| 276 | |
|
|
| 277 | /* Try to find the spell. We store the results in spob1 |
|
|
| 278 | * and spob2 - spob1 is only taking the length of |
|
|
| 279 | * the past spname, spob2 uses the length of the spell name. |
|
|
| 280 | */ |
|
|
| 281 | for (object *spob = op->inv; spob; spob = spob->below) |
274 | for (object *spob = inv; spob; spob = spob->below) |
|
|
275 | if (spob->name == name && spob->type == SPELL) |
|
|
276 | return spob; |
| 282 | { |
277 | } |
|
|
278 | else |
|
|
279 | { |
|
|
280 | // case 2, match prefix |
|
|
281 | int len = strlen (prefix); |
|
|
282 | |
|
|
283 | for (object *spob = inv; spob; spob = spob->below) |
| 283 | if (spob->type == SPELL) |
284 | if (spob->type == SPELL |
| 284 | { |
285 | && spob->name.length () < len |
| 285 | // TODO: WTF? |
286 | && prefix [spob->name.length ()] <= ' ' |
| 286 | if (!strncmp (spob->name, spname, strlen (spname))) |
287 | && !memcmp (prefix, spob->name, spob->name.length ())) |
| 287 | { |
|
|
| 288 | nummatch++; |
|
|
| 289 | spob1 = spob; |
|
|
| 290 | } |
|
|
| 291 | else if (!strncmp (spob->name, spname, strlen (spob->name))) |
|
|
| 292 | { |
|
|
| 293 | /* if spells have ambiguous names, it makes matching |
|
|
| 294 | * really difficult. (eg, fire and fireball would |
|
|
| 295 | * fall into this category). It shouldn't be hard to |
|
|
| 296 | * make sure spell names don't overlap in that fashion. |
|
|
| 297 | */ |
|
|
| 298 | if (spob2) |
|
|
| 299 | LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name); |
|
|
| 300 | |
|
|
| 301 | spob2 = spob; |
|
|
| 302 | } |
|
|
| 303 | } |
|
|
| 304 | } |
|
|
| 305 | /* if we have best match, return it. Otherwise, if we have one match |
|
|
| 306 | * on the loser match, return that, otehrwise null |
|
|
| 307 | */ |
|
|
| 308 | if (spob2) |
|
|
| 309 | return spob2; |
288 | return spob; |
|
|
289 | } |
| 310 | |
290 | |
| 311 | if (spob1 && nummatch == 1) |
|
|
| 312 | return spob1; |
|
|
| 313 | |
|
|
| 314 | return NULL; |
291 | return 0; |
| 315 | } |
292 | } |
| 316 | |
293 | |
| 317 | /* reflwall - decides weither the (spell-)object sp_op will |
294 | /* reflwall - decides weither the (spell-)object sp_op will |
| 318 | * be reflected from the given mapsquare. Returns 1 if true. |
295 | * be reflected from the given mapsquare. Returns 1 if true. |
| 319 | * (Note that for living creatures there is a small chance that |
296 | * (Note that for living creatures there is a small chance that |
| … | |
… | |
| 338 | |
315 | |
| 339 | /* cast_create_object: creates object new_op in direction dir |
316 | /* cast_create_object: creates object new_op in direction dir |
| 340 | * or if that is blocked, beneath the player (op). |
317 | * or if that is blocked, beneath the player (op). |
| 341 | * we pass 'caster', but don't use it for anything. |
318 | * we pass 'caster', but don't use it for anything. |
| 342 | * This is really just a simple wrapper function . |
319 | * This is really just a simple wrapper function . |
| 343 | * returns the direction that the object was actually placed |
320 | * returns true to indicate whether the operation was successful. |
| 344 | * in. |
321 | * destroys the object is unsuccessful. |
| 345 | */ |
322 | */ |
| 346 | int |
323 | bool |
| 347 | cast_create_obj (object *op, object *caster, object *new_op, int dir) |
324 | cast_create_obj (object *op, object *caster, object *new_op, int dir) |
| 348 | { |
325 | { |
| 349 | maptile *m; |
326 | mapxy pos (op); |
| 350 | sint16 sx, sy; |
327 | pos.move (dir); |
| 351 | |
328 | |
| 352 | if (dir && |
329 | if (!pos.normalise () |
| 353 | ((get_map_flags (op->map, &m, op->x + freearr_x[dir], op->y + freearr_y[dir], &sx, &sy) & P_OUT_OF_MAP) || |
330 | || pos->blocks (op) // perversely enough, we check if the palyer can reach that space |
| 354 | OB_TYPE_MOVE_BLOCK (op, GET_MAP_MOVE_BLOCK (m, sx, sy)))) |
331 | || !new_op->can_drop_at (pos.m, pos.x, pos.y) |
|
|
332 | ) |
| 355 | { |
333 | { |
| 356 | new_draw_info (NDI_UNIQUE, 0, op, "Something is in the way."); |
334 | op->failmsg ("Your spell fizzles! H<Something is in the way.>"); |
| 357 | new_draw_info (NDI_UNIQUE, 0, op, "You cast it at your feet."); |
335 | new_op->destroy (); |
| 358 | dir = 0; |
336 | return 0; |
| 359 | } |
337 | } |
| 360 | |
338 | |
| 361 | new_op->set_flag (FLAG_IDENTIFIED); |
339 | new_op->set_flag (FLAG_IDENTIFIED); |
| 362 | op->map->insert (new_op, |
|
|
| 363 | op->x + freearr_x[dir], op->y + freearr_y[dir], |
|
|
| 364 | op, |
|
|
| 365 | dir ? 0 : INS_BELOW_ORIGINATOR); |
|
|
| 366 | |
340 | |
|
|
341 | pos.insert (new_op, op, dir ? 0 : INS_BELOW_ORIGINATOR); |
|
|
342 | |
| 367 | return dir; |
343 | return 1; |
| 368 | } |
344 | } |
| 369 | |
345 | |
| 370 | static bool |
346 | static bool |
| 371 | mergable_owner (object *o1, object *o2) |
347 | mergable_owner (object *o1, object *o2) |
| 372 | { |
348 | { |
| … | |
… | |
| 386 | } |
362 | } |
| 387 | |
363 | |
| 388 | /* Returns true if it is ok to put spell *op on the space/may provided. |
364 | /* Returns true if it is ok to put spell *op on the space/may provided. |
| 389 | * immune_stop is basically the attacktype of the spell (why |
365 | * immune_stop is basically the attacktype of the spell (why |
| 390 | * passed as a different value, not sure of). If immune_stop |
366 | * passed as a different value, not sure of). If immune_stop |
| 391 | * has the AT_MAGIC bit set, and there is a counterwall |
367 | * has the AT_MAGIC bit set, and there is a counterwall |
| 392 | * on the space, the object doesn't get placed. if immune stop |
368 | * on the space, the object doesn't get placed. if immune stop |
| 393 | * does not have AT_MAGIC, then counterwalls do not effect the spell. |
369 | * does not have AT_MAGIC, then counterwalls do not effect the spell. |
| 394 | */ |
370 | */ |
| 395 | int |
371 | int |
| 396 | ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop) |
372 | ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop) |
| … | |
… | |
| 568 | tmp = op; |
544 | tmp = op; |
| 569 | } |
545 | } |
| 570 | else |
546 | else |
| 571 | { |
547 | { |
| 572 | maptile *m = op->map; |
548 | maptile *m = op->map; |
| 573 | sint16 x = op->x + freearr_x[dir]; |
549 | sint16 x = op->x + DIRX (dir); |
| 574 | sint16 y = op->y + freearr_y[dir]; |
550 | sint16 y = op->y + DIRY (dir); |
| 575 | |
551 | |
| 576 | tmp = xy_normalise (m, x, y) |
552 | tmp = xy_normalise (m, x, y) |
| 577 | ? m->at (x, y).player () |
553 | ? m->at (x, y).player () |
| 578 | : 0; |
554 | : 0; |
| 579 | } |
555 | } |
| … | |
… | |
| 610 | if (exclude && exclude->type) |
586 | if (exclude && exclude->type) |
| 611 | owner_type = exclude->type; |
587 | owner_type = exclude->type; |
| 612 | |
588 | |
| 613 | for (i = rndm (1, 8); i < max; i++) |
589 | for (i = rndm (1, 8); i < max; i++) |
| 614 | { |
590 | { |
| 615 | nx = x + freearr_x[i]; |
591 | nx = x + DIRX (i); |
| 616 | ny = y + freearr_y[i]; |
592 | ny = y + DIRY (i); |
| 617 | mp = m; |
593 | mp = m; |
| 618 | mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny); |
594 | mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny); |
| 619 | if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW)) |
595 | if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW)) |
| 620 | continue; |
596 | continue; |
| 621 | |
597 | |
| … | |
… | |
| 647 | |
623 | |
| 648 | if ((at = archetype::find (monstername)) == NULL) |
624 | if ((at = archetype::find (monstername)) == NULL) |
| 649 | return; |
625 | return; |
| 650 | |
626 | |
| 651 | /* find a free square nearby |
627 | /* find a free square nearby |
| 652 | * first we check the closest square for free squares |
628 | * first we check the closest square for free squares |
| 653 | */ |
629 | */ |
| 654 | |
630 | |
| 655 | dir = find_first_free_spot (at, op->map, op->x, op->y); |
631 | dir = find_first_free_spot (at, op->map, op->x, op->y); |
| 656 | if (dir != -1) |
632 | if (dir != -1) |
| 657 | { |
633 | { |
| … | |
… | |
| 660 | */ |
636 | */ |
| 661 | //TODO: use expand_tail + ... |
637 | //TODO: use expand_tail + ... |
| 662 | while (at != NULL) |
638 | while (at != NULL) |
| 663 | { |
639 | { |
| 664 | tmp = at->instance (); |
640 | tmp = at->instance (); |
| 665 | tmp->x = op->x + freearr_x[dir] + at->x; |
641 | tmp->x = op->x + DIRX (dir) + at->x; |
| 666 | tmp->y = op->y + freearr_y[dir] + at->y; |
642 | tmp->y = op->y + DIRY (dir) + at->y; |
| 667 | tmp->map = op->map; |
643 | tmp->map = op->map; |
| 668 | if (head) |
644 | if (head) |
| 669 | { |
645 | { |
| 670 | tmp->head = head; |
646 | tmp->head = head; |
| 671 | prev->more = tmp; |
647 | prev->more = tmp; |
| … | |
… | |
| 683 | create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0); |
659 | create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0); |
| 684 | |
660 | |
| 685 | insert_ob_in_map (head, op->map, op, 0); |
661 | insert_ob_in_map (head, op->map, op, 0); |
| 686 | |
662 | |
| 687 | /* thought it'd be cool to insert a burnout, too. */ |
663 | /* thought it'd be cool to insert a burnout, too. */ |
| 688 | op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op); |
664 | op->map->insert (archetype::get (shstr_burnout), op->x + DIRX (dir), op->y + DIRY (dir), op); |
| 689 | } |
665 | } |
| 690 | } |
666 | } |
| 691 | |
667 | |
| 692 | /* peterm: function which summons hostile monsters and |
668 | /* peterm: function which summons hostile monsters and |
| 693 | * places them in nearby squares. |
669 | * places them in nearby squares. |
| … | |
… | |
| 744 | { AT_PARALYZE, 9}, |
720 | { AT_PARALYZE, 9}, |
| 745 | { AT_FEAR, 10}, |
721 | { AT_FEAR, 10}, |
| 746 | }; |
722 | }; |
| 747 | |
723 | |
| 748 | /* shuffle_attack: peterm |
724 | /* shuffle_attack: peterm |
| 749 | * This routine shuffles the attack of op to one of the |
725 | * This routine shuffles the attack of op to one of the |
| 750 | * ones in the list. It does this at random. It also |
726 | * ones in the list. It does this at random. It also |
| 751 | * chooses a face appropriate to the attack that is |
727 | * chooses a face appropriate to the attack that is |
| 752 | * being committed by that square at the moment. |
728 | * being committed by that square at the moment. |
| 753 | * right now it's being used by color spray and create pool of |
729 | * right now it's being used by color spray and create pool of |
| 754 | * chaos. |
730 | * chaos. |
| 755 | * This could really be a better implementation - the |
731 | * This could really be a better implementation - the |
| 756 | * faces and attacktypes above are hardcoded, which is never |
732 | * faces and attacktypes above are hardcoded, which is never |
| 757 | * good. The faces refer to faces in the animation sequence. |
733 | * good. The faces refer to faces in the animation sequence. |
| … | |
… | |
| 820 | op->failmsgf ("%s smites you!" HINT_GRACE, godname); |
796 | op->failmsgf ("%s smites you!" HINT_GRACE, godname); |
| 821 | cast_magic_storm (op, tmp, power); |
797 | cast_magic_storm (op, tmp, power); |
| 822 | } |
798 | } |
| 823 | } |
799 | } |
| 824 | |
800 | |
| 825 | /* |
801 | /* |
| 826 | * spell_failure() handles the various effects for differing degrees |
802 | * spell_failure() handles the various effects for differing degrees |
| 827 | * of failure badness. |
803 | * of failure badness. |
| 828 | * op is the player that failed. |
804 | * op is the player that failed. |
| 829 | * failure is a random value of how badly you failed. |
805 | * failure is a random value of how badly you failed. |
| 830 | * power is how many spellpoints you'd normally need for the spell. |
806 | * power is how many spellpoints you'd normally need for the spell. |
| 831 | * skill is the skill you'd need to cast the spell. |
807 | * skill is the skill you'd need to cast the spell. |
| 832 | */ |
808 | */ |
| 833 | |
|
|
| 834 | void |
809 | void |
| 835 | spell_failure (object *op, int failure, int power, object *skill) |
810 | spell_failure (object *op, int failure, int power, object *skill) |
| 836 | { |
811 | { |
| 837 | object *tmp; |
812 | object *tmp; |
| 838 | |
813 | |
| … | |
… | |
| 970 | { |
945 | { |
| 971 | LOG (llevError, "cast_spell: null caster object passed\n"); |
946 | LOG (llevError, "cast_spell: null caster object passed\n"); |
| 972 | return 0; |
947 | return 0; |
| 973 | } |
948 | } |
| 974 | |
949 | |
| 975 | /* if caster is a spell casting object, this normally shouldn't be |
950 | /* if caster is a spell casting object, this normally shouldn't be |
| 976 | * an issue, because they don't have any spellpaths set up. |
951 | * an issue, because they don't have any spellpaths set up. |
| 977 | */ |
952 | */ |
| 978 | if (caster->path_denied & spell_ob->path_attuned && !caster->flag [FLAG_WIZCAST]) |
953 | if (caster->path_denied & spell_ob->path_attuned && !caster->flag [FLAG_WIZCAST]) |
| 979 | { |
954 | { |
| 980 | op->failmsg ("That spell path is denied to you."); |
955 | op->failmsg ("That spell path is denied to you."); |
| … | |
… | |
| 982 | } |
957 | } |
| 983 | |
958 | |
| 984 | object *skill = 0; |
959 | object *skill = 0; |
| 985 | |
960 | |
| 986 | /* if it is a player casting the spell, and they are really casting it |
961 | /* if it is a player casting the spell, and they are really casting it |
| 987 | * (vs it coming from a wand, scroll, or whatever else), do some |
962 | * (vs it coming from a wand, scroll, or whatever else), do some |
| 988 | * checks. We let monsters do special things - eg, they |
963 | * checks. We let monsters do special things - eg, they |
| 989 | * don't need the SKILL, BYpass level checks, etc. The monster function |
964 | * don't need the SKILL, BYpass level checks, etc. The monster function |
| 990 | * should take care of that. |
965 | * should take care of that. |
| 991 | * Remove the wiz check here and move it further down - some spells |
966 | * Remove the wiz check here and move it further down - some spells |
| 992 | * need to have the right skill pointer passed, so we need to |
967 | * need to have the right skill pointer passed, so we need to |
| … | |
… | |
| 1024 | } |
999 | } |
| 1025 | |
1000 | |
| 1026 | if (spell_ob->level > caster_level) |
1001 | if (spell_ob->level > caster_level) |
| 1027 | { |
1002 | { |
| 1028 | op->failmsgf ("You lack enough skill to cast that spell! " |
1003 | op->failmsgf ("You lack enough skill to cast that spell! " |
| 1029 | "H<Your effective cast level is %d%s, but level %d is required.>", |
1004 | "H<Your effective cast level is %d%s, but level %d is required.>", |
| 1030 | caster_level, msg, spell_ob->level); |
1005 | caster_level, msg, spell_ob->level); |
| 1031 | if (!op->is_wiz ()) |
1006 | if (!op->is_wiz ()) |
| 1032 | return 0; |
1007 | return 0; |
| 1033 | } |
1008 | } |
| 1034 | } |
1009 | } |
| … | |
… | |
| 1130 | |
1105 | |
| 1131 | // undo the flood protection from earlier |
1106 | // undo the flood protection from earlier |
| 1132 | op->speed_left += 4 * op->speed; // ~0.5s on failure |
1107 | op->speed_left += 4 * op->speed; // ~0.5s on failure |
| 1133 | |
1108 | |
| 1134 | /* Take into account how long it takes to cast the spell. |
1109 | /* Take into account how long it takes to cast the spell. |
| 1135 | * if the player is casting it, then we use the time in |
1110 | * if the player is casting it, then we use the time in |
| 1136 | * the spell object. If it is a spell object, have it |
1111 | * the spell object. If it is a spell object, have it |
| 1137 | * take two ticks. Things that cast spells on the players |
1112 | * take two ticks. Things that cast spells on the players |
| 1138 | * behalf (eg, altars, and whatever else) shouldn't cost |
1113 | * behalf (eg, altars, and whatever else) shouldn't cost |
| 1139 | * the player any time. |
1114 | * the player any time. |
| 1140 | * Ignore casting time for firewalls |
1115 | * Ignore casting time for firewalls |
