| 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 | * |
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4 | * Copyright (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team |
| 4 | * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * 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 |
6 | * Copyright (©) 2001 Mark Wedel & Crossfire Development Team |
| 6 | * Copyright (©) 1992 Frank Tore Johansen |
7 | * Copyright (©) 1992 Frank Tore Johansen |
| 7 | * |
8 | * |
| 8 | * Deliantra is free software: you can redistribute it and/or modify it under |
9 | * 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 |
10 | * the terms of the Affero GNU General Public License as published by the |
| … | |
… | |
| 255 | return spop; |
256 | return spop; |
| 256 | |
257 | |
| 257 | return 0; |
258 | return 0; |
| 258 | } |
259 | } |
| 259 | |
260 | |
| 260 | /* |
261 | /* |
| 261 | * Look at object 'op' and see if they know the spell |
262 | * Look at object 'op' and see if they know the spell |
| 262 | * spname. This is pretty close to check_spell_known |
263 | * spname. This is pretty close to check_spell_known |
| 263 | * above, but it uses a looser matching mechanism. |
264 | * above, but it uses a looser matching mechanism. |
| 264 | * returns the matching spell object, or NULL. |
265 | * returns the matching spell object, or NULL. |
| 265 | * If we match multiple spells but don't get an |
266 | * If we match multiple spells but don't get an |
| 266 | * exact match, we also return NULL. |
267 | * exact match, we also return NULL. |
| 267 | */ |
268 | */ |
| 268 | object * |
269 | object * |
| 269 | lookup_spell_by_name (object *op, const char *spname) |
270 | object::find_spell (const_utf8_string prefix) const |
| 270 | { |
271 | { |
| 271 | object *spob1 = 0, *spob2 = 0; |
272 | if (shstr_cmp name = prefix) |
| 272 | int nummatch = 0; |
273 | { |
| 273 | |
274 | // case 1, match spell name exactly |
| 274 | if (!spname) |
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| 275 | return 0; |
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| 276 | |
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| 277 | /* Try to find the spell. We store the results in spob1 |
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| 278 | * and spob2 - spob1 is only taking the length of |
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| 279 | * the past spname, spob2 uses the length of the spell name. |
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| 280 | */ |
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| 281 | for (object *spob = op->inv; spob; spob = spob->below) |
275 | for (object *spob = inv; spob; spob = spob->below) |
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276 | if (spob->name == name && spob->type == SPELL) |
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277 | return spob; |
| 282 | { |
278 | } |
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279 | else |
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280 | { |
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281 | // case 2, match prefix |
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282 | int len = strlen (prefix); |
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283 | |
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284 | for (object *spob = inv; spob; spob = spob->below) |
| 283 | if (spob->type == SPELL) |
285 | if (spob->type == SPELL |
| 284 | { |
286 | && spob->name.length () < len |
| 285 | // TODO: WTF? |
287 | && prefix [spob->name.length ()] <= ' ' |
| 286 | if (!strncmp (spob->name, spname, strlen (spname))) |
288 | && !memcmp (prefix, spob->name, spob->name.length ())) |
| 287 | { |
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| 288 | nummatch++; |
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| 289 | spob1 = spob; |
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| 290 | } |
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| 291 | else if (!strncmp (spob->name, spname, strlen (spob->name))) |
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| 292 | { |
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| 293 | /* if spells have ambiguous names, it makes matching |
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| 294 | * really difficult. (eg, fire and fireball would |
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| 295 | * fall into this category). It shouldn't be hard to |
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| 296 | * make sure spell names don't overlap in that fashion. |
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| 297 | */ |
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| 298 | if (spob2) |
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| 299 | LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name); |
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| 300 | |
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| 301 | spob2 = spob; |
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| 302 | } |
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| 303 | } |
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| 304 | } |
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| 305 | /* if we have best match, return it. Otherwise, if we have one match |
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| 306 | * on the loser match, return that, otehrwise null |
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| 307 | */ |
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| 308 | if (spob2) |
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| 309 | return spob2; |
289 | return spob; |
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290 | } |
| 310 | |
291 | |
| 311 | if (spob1 && nummatch == 1) |
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| 312 | return spob1; |
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| 313 | |
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| 314 | return NULL; |
292 | return 0; |
| 315 | } |
293 | } |
| 316 | |
294 | |
| 317 | /* reflwall - decides weither the (spell-)object sp_op will |
295 | /* reflwall - decides weither the (spell-)object sp_op will |
| 318 | * be reflected from the given mapsquare. Returns 1 if true. |
296 | * be reflected from the given mapsquare. Returns 1 if true. |
| 319 | * (Note that for living creatures there is a small chance that |
297 | * (Note that for living creatures there is a small chance that |
| … | |
… | |
| 385 | } |
363 | } |
| 386 | |
364 | |
| 387 | /* Returns true if it is ok to put spell *op on the space/may provided. |
365 | /* Returns true if it is ok to put spell *op on the space/may provided. |
| 388 | * immune_stop is basically the attacktype of the spell (why |
366 | * immune_stop is basically the attacktype of the spell (why |
| 389 | * passed as a different value, not sure of). If immune_stop |
367 | * passed as a different value, not sure of). If immune_stop |
| 390 | * has the AT_MAGIC bit set, and there is a counterwall |
368 | * has the AT_MAGIC bit set, and there is a counterwall |
| 391 | * on the space, the object doesn't get placed. if immune stop |
369 | * on the space, the object doesn't get placed. if immune stop |
| 392 | * does not have AT_MAGIC, then counterwalls do not effect the spell. |
370 | * does not have AT_MAGIC, then counterwalls do not effect the spell. |
| 393 | */ |
371 | */ |
| 394 | int |
372 | int |
| 395 | ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop) |
373 | ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop) |
| … | |
… | |
| 567 | tmp = op; |
545 | tmp = op; |
| 568 | } |
546 | } |
| 569 | else |
547 | else |
| 570 | { |
548 | { |
| 571 | maptile *m = op->map; |
549 | maptile *m = op->map; |
| 572 | sint16 x = op->x + freearr_x[dir]; |
550 | sint16 x = op->x + DIRX (dir); |
| 573 | sint16 y = op->y + freearr_y[dir]; |
551 | sint16 y = op->y + DIRY (dir); |
| 574 | |
552 | |
| 575 | tmp = xy_normalise (m, x, y) |
553 | tmp = xy_normalise (m, x, y) |
| 576 | ? m->at (x, y).player () |
554 | ? m->at (x, y).player () |
| 577 | : 0; |
555 | : 0; |
| 578 | } |
556 | } |
| … | |
… | |
| 609 | if (exclude && exclude->type) |
587 | if (exclude && exclude->type) |
| 610 | owner_type = exclude->type; |
588 | owner_type = exclude->type; |
| 611 | |
589 | |
| 612 | for (i = rndm (1, 8); i < max; i++) |
590 | for (i = rndm (1, 8); i < max; i++) |
| 613 | { |
591 | { |
| 614 | nx = x + freearr_x[i]; |
592 | nx = x + DIRX (i); |
| 615 | ny = y + freearr_y[i]; |
593 | ny = y + DIRY (i); |
| 616 | mp = m; |
594 | mp = m; |
| 617 | mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny); |
595 | mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny); |
| 618 | if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW)) |
596 | if (mflags & (P_OUT_OF_MAP | P_BLOCKSVIEW)) |
| 619 | continue; |
597 | continue; |
| 620 | |
598 | |
| … | |
… | |
| 646 | |
624 | |
| 647 | if ((at = archetype::find (monstername)) == NULL) |
625 | if ((at = archetype::find (monstername)) == NULL) |
| 648 | return; |
626 | return; |
| 649 | |
627 | |
| 650 | /* find a free square nearby |
628 | /* find a free square nearby |
| 651 | * first we check the closest square for free squares |
629 | * first we check the closest square for free squares |
| 652 | */ |
630 | */ |
| 653 | |
631 | |
| 654 | dir = find_first_free_spot (at, op->map, op->x, op->y); |
632 | dir = find_first_free_spot (at, op->map, op->x, op->y); |
| 655 | if (dir != -1) |
633 | if (dir != -1) |
| 656 | { |
634 | { |
| … | |
… | |
| 659 | */ |
637 | */ |
| 660 | //TODO: use expand_tail + ... |
638 | //TODO: use expand_tail + ... |
| 661 | while (at != NULL) |
639 | while (at != NULL) |
| 662 | { |
640 | { |
| 663 | tmp = at->instance (); |
641 | tmp = at->instance (); |
| 664 | tmp->x = op->x + freearr_x[dir] + at->x; |
642 | tmp->x = op->x + DIRX (dir) + at->x; |
| 665 | tmp->y = op->y + freearr_y[dir] + at->y; |
643 | tmp->y = op->y + DIRY (dir) + at->y; |
| 666 | tmp->map = op->map; |
644 | tmp->map = op->map; |
| 667 | if (head) |
645 | if (head) |
| 668 | { |
646 | { |
| 669 | tmp->head = head; |
647 | tmp->head = head; |
| 670 | prev->more = tmp; |
648 | prev->more = tmp; |
| … | |
… | |
| 682 | create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0); |
660 | create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0); |
| 683 | |
661 | |
| 684 | insert_ob_in_map (head, op->map, op, 0); |
662 | insert_ob_in_map (head, op->map, op, 0); |
| 685 | |
663 | |
| 686 | /* thought it'd be cool to insert a burnout, too. */ |
664 | /* thought it'd be cool to insert a burnout, too. */ |
| 687 | op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op); |
665 | op->map->insert (archetype::get (shstr_burnout), op->x + DIRX (dir), op->y + DIRY (dir), op); |
| 688 | } |
666 | } |
| 689 | } |
667 | } |
| 690 | |
668 | |
| 691 | /* peterm: function which summons hostile monsters and |
669 | /* peterm: function which summons hostile monsters and |
| 692 | * places them in nearby squares. |
670 | * places them in nearby squares. |
| … | |
… | |
| 743 | { AT_PARALYZE, 9}, |
721 | { AT_PARALYZE, 9}, |
| 744 | { AT_FEAR, 10}, |
722 | { AT_FEAR, 10}, |
| 745 | }; |
723 | }; |
| 746 | |
724 | |
| 747 | /* shuffle_attack: peterm |
725 | /* shuffle_attack: peterm |
| 748 | * This routine shuffles the attack of op to one of the |
726 | * This routine shuffles the attack of op to one of the |
| 749 | * ones in the list. It does this at random. It also |
727 | * ones in the list. It does this at random. It also |
| 750 | * chooses a face appropriate to the attack that is |
728 | * chooses a face appropriate to the attack that is |
| 751 | * being committed by that square at the moment. |
729 | * being committed by that square at the moment. |
| 752 | * right now it's being used by color spray and create pool of |
730 | * right now it's being used by color spray and create pool of |
| 753 | * chaos. |
731 | * chaos. |
| 754 | * This could really be a better implementation - the |
732 | * This could really be a better implementation - the |
| 755 | * faces and attacktypes above are hardcoded, which is never |
733 | * faces and attacktypes above are hardcoded, which is never |
| 756 | * good. The faces refer to faces in the animation sequence. |
734 | * good. The faces refer to faces in the animation sequence. |
| … | |
… | |
| 968 | { |
946 | { |
| 969 | LOG (llevError, "cast_spell: null caster object passed\n"); |
947 | LOG (llevError, "cast_spell: null caster object passed\n"); |
| 970 | return 0; |
948 | return 0; |
| 971 | } |
949 | } |
| 972 | |
950 | |
| 973 | /* if caster is a spell casting object, this normally shouldn't be |
951 | /* if caster is a spell casting object, this normally shouldn't be |
| 974 | * an issue, because they don't have any spellpaths set up. |
952 | * an issue, because they don't have any spellpaths set up. |
| 975 | */ |
953 | */ |
| 976 | if (caster->path_denied & spell_ob->path_attuned && !caster->flag [FLAG_WIZCAST]) |
954 | if (caster->path_denied & spell_ob->path_attuned && !caster->flag [FLAG_WIZCAST]) |
| 977 | { |
955 | { |
| 978 | op->failmsg ("That spell path is denied to you."); |
956 | op->failmsg ("That spell path is denied to you."); |
| … | |
… | |
| 980 | } |
958 | } |
| 981 | |
959 | |
| 982 | object *skill = 0; |
960 | object *skill = 0; |
| 983 | |
961 | |
| 984 | /* if it is a player casting the spell, and they are really casting it |
962 | /* if it is a player casting the spell, and they are really casting it |
| 985 | * (vs it coming from a wand, scroll, or whatever else), do some |
963 | * (vs it coming from a wand, scroll, or whatever else), do some |
| 986 | * checks. We let monsters do special things - eg, they |
964 | * checks. We let monsters do special things - eg, they |
| 987 | * don't need the SKILL, BYpass level checks, etc. The monster function |
965 | * don't need the SKILL, BYpass level checks, etc. The monster function |
| 988 | * should take care of that. |
966 | * should take care of that. |
| 989 | * Remove the wiz check here and move it further down - some spells |
967 | * Remove the wiz check here and move it further down - some spells |
| 990 | * need to have the right skill pointer passed, so we need to |
968 | * need to have the right skill pointer passed, so we need to |
| … | |
… | |
| 1022 | } |
1000 | } |
| 1023 | |
1001 | |
| 1024 | if (spell_ob->level > caster_level) |
1002 | if (spell_ob->level > caster_level) |
| 1025 | { |
1003 | { |
| 1026 | op->failmsgf ("You lack enough skill to cast that spell! " |
1004 | op->failmsgf ("You lack enough skill to cast that spell! " |
| 1027 | "H<Your effective cast level is %d%s, but level %d is required.>", |
1005 | "H<Your effective cast level is %d%s, but level %d is required.>", |
| 1028 | caster_level, msg, spell_ob->level); |
1006 | caster_level, msg, spell_ob->level); |
| 1029 | if (!op->is_wiz ()) |
1007 | if (!op->is_wiz ()) |
| 1030 | return 0; |
1008 | return 0; |
| 1031 | } |
1009 | } |
| 1032 | } |
1010 | } |
| … | |
… | |
| 1128 | |
1106 | |
| 1129 | // undo the flood protection from earlier |
1107 | // undo the flood protection from earlier |
| 1130 | op->speed_left += 4 * op->speed; // ~0.5s on failure |
1108 | op->speed_left += 4 * op->speed; // ~0.5s on failure |
| 1131 | |
1109 | |
| 1132 | /* Take into account how long it takes to cast the spell. |
1110 | /* Take into account how long it takes to cast the spell. |
| 1133 | * if the player is casting it, then we use the time in |
1111 | * if the player is casting it, then we use the time in |
| 1134 | * the spell object. If it is a spell object, have it |
1112 | * the spell object. If it is a spell object, have it |
| 1135 | * take two ticks. Things that cast spells on the players |
1113 | * take two ticks. Things that cast spells on the players |
| 1136 | * behalf (eg, altars, and whatever else) shouldn't cost |
1114 | * behalf (eg, altars, and whatever else) shouldn't cost |
| 1137 | * the player any time. |
1115 | * the player any time. |
| 1138 | * Ignore casting time for firewalls |
1116 | * Ignore casting time for firewalls |
