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 (©) 2002,2007 Mark Wedel & Crossfire Development Team |
5 | * Copyright (©) 2002,2007 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 |
… | |
… | |
20 | * |
20 | * |
21 | * The authors can be reached via e-mail to <support@deliantra.net> |
21 | * The authors can be reached via e-mail to <support@deliantra.net> |
22 | */ |
22 | */ |
23 | |
23 | |
24 | #include <global.h> |
24 | #include <global.h> |
25 | #include <funcpoint.h> |
|
|
26 | |
25 | |
27 | /* Handy little macro that adds exp and keeps it within bounds. Since |
26 | /* Handy little macro that adds exp and keeps it within bounds. Since |
28 | * we are now using 64 bit values, I'm not all concerned about overflow issues |
27 | * we are now using 64 bit values, I'm not all concerned about overflow issues |
29 | * with exptotal wrapping. exptotal is typically op->exp, or op->perm_exp |
28 | * with exptotal wrapping. exptotal is typically op->exp, or op->perm_exp |
30 | */ |
29 | */ |
… | |
… | |
280 | * that gives them that ability. |
279 | * that gives them that ability. |
281 | */ |
280 | */ |
282 | int |
281 | int |
283 | change_abil (object *op, object *tmp) |
282 | change_abil (object *op, object *tmp) |
284 | { |
283 | { |
285 | int flag = QUERY_FLAG (tmp, FLAG_APPLIED) ? 1 : -1, success = 0; |
284 | int flag = tmp->flag [FLAG_APPLIED] ? 1 : -1; |
|
|
285 | int success = 0; |
286 | char message[MAX_BUF]; |
286 | char message[MAX_BUF]; |
287 | int potion_max = 0; |
287 | int potion_max = 0; |
288 | |
288 | |
289 | /* remember what object was like before it was changed. note that |
289 | // keep some stats for comparison purposes |
290 | * refop is a local copy of op only to be used for detecting changes |
290 | object::flags_t prev_flag = op->flag; |
291 | * found by update_stats. refop is not a real object |
291 | MoveType prev_move_type = op->move_type; |
292 | */ |
292 | sint16 prev_resist [NROFATTACKS]; // clumsy |
293 | object_copy refop = *op; |
293 | assert (sizeof (prev_resist) == sizeof (op->resist)); |
|
|
294 | memcpy (prev_resist, op->resist, sizeof (prev_resist)); |
294 | |
295 | |
295 | if (op->type == PLAYER) |
296 | if (op->type == PLAYER) |
296 | { |
297 | { |
297 | if (tmp->type == POTION) |
298 | if (tmp->type == POTION) |
298 | { |
299 | { |
299 | potion_max = 1; |
300 | potion_max = 1; |
|
|
301 | |
300 | for (int j = 0; j < NUM_STATS; j++) |
302 | for (int j = 0; j < NUM_STATS; j++) |
301 | { |
303 | { |
302 | int ostat = op->contr->orig_stats.stat (j); |
304 | int ostat = op->contr->orig_stats.stat (j); |
303 | int i = tmp->stats.stat (j); |
305 | int i = tmp->stats.stat (j); |
304 | |
306 | |
305 | /* nstat is what the stat will be after use of the potion */ |
307 | /* nstat is what the stat will be after use of the potion */ |
306 | int nstat = flag * i + ostat; |
308 | int nstat = flag * i + ostat; |
307 | |
309 | |
308 | /* Do some bounds checking. While I don't think any |
310 | /* Do some bounds checking. There is the potential for potions |
309 | * potions do so right now, there is the potential for potions |
|
|
310 | * that adjust that stat by more than one point, so we need |
311 | * that adjust that stat by more than one point, so we need |
311 | * to allow for that. |
312 | * to allow for that. |
312 | */ |
313 | */ |
313 | if (nstat < 1 && i * flag < 0) |
314 | if (nstat < 1 && i * flag < 0) |
314 | nstat = 1; |
315 | nstat = 1; |
… | |
… | |
366 | { |
367 | { |
367 | success = 1; |
368 | success = 1; |
368 | DIFF_MSG (flag, "Your hands begin to glow red.", "Your hands stop glowing red."); |
369 | DIFF_MSG (flag, "Your hands begin to glow red.", "Your hands stop glowing red."); |
369 | } |
370 | } |
370 | |
371 | |
371 | if (QUERY_FLAG (op, FLAG_LIFESAVE) != QUERY_FLAG (&refop, FLAG_LIFESAVE)) |
372 | if (op->flag [FLAG_LIFESAVE] != prev_flag [FLAG_LIFESAVE]) |
372 | { |
373 | { |
373 | success = 1; |
374 | success = 1; |
374 | DIFF_MSG (flag, "You feel very protected.", "You don't feel protected anymore."); |
375 | DIFF_MSG (flag, "You feel very protected.", "You don't feel protected anymore."); |
375 | } |
376 | } |
376 | |
377 | |
377 | if (QUERY_FLAG (op, FLAG_REFL_MISSILE) != QUERY_FLAG (&refop, FLAG_REFL_MISSILE)) |
378 | if (op->flag [FLAG_REFL_MISSILE] != prev_flag [FLAG_REFL_MISSILE]) |
378 | { |
379 | { |
379 | success = 1; |
380 | success = 1; |
380 | DIFF_MSG (flag, "A magic force shimmers around you.", "The magic force fades away."); |
381 | DIFF_MSG (flag, "A magic force shimmers around you.", "The magic force fades away."); |
381 | } |
382 | } |
382 | |
383 | |
383 | if (QUERY_FLAG (op, FLAG_REFL_SPELL) != QUERY_FLAG (&refop, FLAG_REFL_SPELL)) |
384 | if (op->flag [FLAG_REFL_SPELL] != prev_flag [FLAG_REFL_SPELL]) |
384 | { |
385 | { |
385 | success = 1; |
386 | success = 1; |
386 | DIFF_MSG (flag, "You feel more safe now, somehow.", "Suddenly you feel less safe, somehow."); |
387 | DIFF_MSG (flag, "You feel more safe now, somehow.", "Suddenly you feel less safe, somehow."); |
387 | } |
388 | } |
388 | |
389 | |
… | |
… | |
390 | * user has multiple items giving the same type appled like we |
391 | * user has multiple items giving the same type appled like we |
391 | * used to - that is more work than what we gain, plus messages |
392 | * used to - that is more work than what we gain, plus messages |
392 | * can be misleading (a little higher could be miscontrued from |
393 | * can be misleading (a little higher could be miscontrued from |
393 | * from fly high) |
394 | * from fly high) |
394 | */ |
395 | */ |
395 | if (tmp->move_type && op->move_type != refop.move_type) |
396 | if (tmp->move_type && op->move_type != prev_move_type) |
396 | { |
397 | { |
397 | success = 1; |
398 | success = 1; |
398 | |
399 | |
399 | /* MOVE_FLY_HIGH trumps MOVE_FLY_LOW - changing your move_fly_low |
400 | /* MOVE_FLY_HIGH trumps MOVE_FLY_LOW - changing your move_fly_low |
400 | * status doesn't make a difference if you are flying high |
401 | * status doesn't make a difference if you are flying high |
401 | */ |
402 | */ |
402 | if (tmp->move_type & MOVE_FLY_LOW && !(op->move_type & MOVE_FLY_HIGH)) |
403 | if (tmp->move_type & MOVE_FLY_LOW && !(op->move_type & MOVE_FLY_HIGH)) |
403 | { |
404 | { |
404 | DIFF_MSG (flag, "You start to float in the air!.", "You float down to the ground."); |
405 | DIFF_MSG (flag, "You start to float in the air!", "You float down to the ground."); |
405 | } |
406 | } |
406 | |
407 | |
407 | if (tmp->move_type & MOVE_FLY_HIGH) |
408 | if (tmp->move_type & MOVE_FLY_HIGH) |
408 | { |
409 | { |
409 | /* double conditional - second case covers if you have move_fly_low - |
410 | /* double conditional - second case covers if you have move_fly_low - |
… | |
… | |
421 | } |
422 | } |
422 | |
423 | |
423 | /* becoming UNDEAD... a special treatment for this flag. Only those not |
424 | /* becoming UNDEAD... a special treatment for this flag. Only those not |
424 | * originally undead may change their status |
425 | * originally undead may change their status |
425 | */ |
426 | */ |
426 | if (!QUERY_FLAG (op->arch, FLAG_UNDEAD)) |
427 | if (!op->arch->flag [FLAG_UNDEAD]) |
427 | if (QUERY_FLAG (op, FLAG_UNDEAD) != QUERY_FLAG (&refop, FLAG_UNDEAD)) |
428 | if (op->flag [FLAG_UNDEAD] != prev_flag [FLAG_UNDEAD]) |
428 | { |
429 | { |
429 | success = 1; |
430 | success = 1; |
430 | if (flag > 0) |
431 | if (flag > 0) |
431 | { |
432 | { |
432 | op->race = "undead"; |
433 | op->race = "undead"; |
… | |
… | |
437 | op->race = op->arch->race; |
438 | op->race = op->arch->race; |
438 | new_draw_info (NDI_UNIQUE, 0, op, "Your lifeforce returns!"); |
439 | new_draw_info (NDI_UNIQUE, 0, op, "Your lifeforce returns!"); |
439 | } |
440 | } |
440 | } |
441 | } |
441 | |
442 | |
442 | if (QUERY_FLAG (op, FLAG_STEALTH) != QUERY_FLAG (&refop, FLAG_STEALTH)) |
443 | if (op->flag [FLAG_STEALTH] != prev_flag [FLAG_STEALTH]) |
443 | { |
444 | { |
444 | success = 1; |
445 | success = 1; |
445 | DIFF_MSG (flag, "You walk more quietly.", "You walk more noisily."); |
446 | DIFF_MSG (flag, "You walk more quietly.", "You walk more noisily."); |
446 | } |
447 | } |
447 | |
448 | |
448 | if (QUERY_FLAG (op, FLAG_MAKE_INVIS) != QUERY_FLAG (&refop, FLAG_MAKE_INVIS)) |
449 | if (op->flag [FLAG_MAKE_INVIS] != prev_flag [FLAG_MAKE_INVIS]) |
449 | { |
450 | { |
450 | success = 1; |
451 | success = 1; |
451 | DIFF_MSG (flag, "You become transparent.", "You can see yourself."); |
452 | DIFF_MSG (flag, "You become transparent.", "You can see yourself."); |
452 | } |
453 | } |
453 | |
454 | |
454 | /* blinded you can tell if more blinded since blinded player has minimal |
455 | /* blinded you can tell if more blinded since blinded player has minimal |
455 | * vision |
456 | * vision |
456 | */ |
457 | */ |
457 | if (QUERY_FLAG (tmp, FLAG_BLIND)) |
458 | if (tmp->flag [FLAG_BLIND]) |
458 | { |
459 | { |
459 | success = 1; |
460 | success = 1; |
460 | if (flag > 0) |
461 | if (flag > 0) |
461 | { |
462 | { |
462 | if (QUERY_FLAG (op, FLAG_WIZ)) |
463 | if (op->flag [FLAG_WIZ]) |
463 | new_draw_info (NDI_UNIQUE, 0, op, "Your mortal self is blinded."); |
464 | new_draw_info (NDI_UNIQUE, 0, op, "Your mortal self is blinded."); |
464 | else |
465 | else |
465 | { |
466 | { |
466 | new_draw_info (NDI_UNIQUE, 0, op, "You are blinded."); |
467 | new_draw_info (NDI_UNIQUE, 0, op, "You are blinded."); |
467 | SET_FLAG (op, FLAG_BLIND); |
468 | SET_FLAG (op, FLAG_BLIND); |
… | |
… | |
469 | op->contr->do_los = 1; |
470 | op->contr->do_los = 1; |
470 | } |
471 | } |
471 | } |
472 | } |
472 | else |
473 | else |
473 | { |
474 | { |
474 | if (QUERY_FLAG (op, FLAG_WIZ)) |
475 | if (op->flag [FLAG_WIZ]) |
475 | new_draw_info (NDI_UNIQUE, 0, op, "Your mortal self can now see again."); |
476 | new_draw_info (NDI_UNIQUE, 0, op, "Your mortal self can now see again."); |
476 | else |
477 | else |
477 | { |
478 | { |
478 | new_draw_info (NDI_UNIQUE, 0, op, "Your vision returns."); |
479 | new_draw_info (NDI_UNIQUE, 0, op, "Your vision returns."); |
479 | CLEAR_FLAG (op, FLAG_BLIND); |
480 | CLEAR_FLAG (op, FLAG_BLIND); |
… | |
… | |
481 | op->contr->do_los = 1; |
482 | op->contr->do_los = 1; |
482 | } |
483 | } |
483 | } |
484 | } |
484 | } |
485 | } |
485 | |
486 | |
486 | if (QUERY_FLAG (op, FLAG_SEE_IN_DARK) != QUERY_FLAG (&refop, FLAG_SEE_IN_DARK)) |
487 | if (op->flag [FLAG_SEE_IN_DARK] != prev_flag [FLAG_SEE_IN_DARK]) |
487 | { |
488 | { |
488 | success = 1; |
489 | success = 1; |
489 | if (op->type == PLAYER) |
490 | if (op->type == PLAYER) |
490 | op->contr->do_los = 1; |
491 | op->contr->do_los = 1; |
491 | DIFF_MSG (flag, "Your vision is better in the dark.", "You see less well in the dark."); |
492 | DIFF_MSG (flag, "Your vision is better in the dark.", "You see less well in the dark."); |
492 | } |
493 | } |
493 | |
494 | |
494 | if (QUERY_FLAG (op, FLAG_XRAYS) != QUERY_FLAG (&refop, FLAG_XRAYS)) |
495 | if (op->flag [FLAG_XRAYS] != prev_flag [FLAG_XRAYS]) |
495 | { |
496 | { |
496 | success = 1; |
497 | success = 1; |
497 | if (flag > 0) |
498 | if (flag > 0) |
498 | { |
499 | { |
499 | if (QUERY_FLAG (op, FLAG_WIZ)) |
500 | if (op->flag [FLAG_WIZ]) |
500 | new_draw_info (NDI_UNIQUE, 0, op, "Your vision becomes a little clearer."); |
501 | new_draw_info (NDI_UNIQUE, 0, op, "Your vision becomes a little clearer."); |
501 | else |
502 | else |
502 | { |
503 | { |
503 | new_draw_info (NDI_UNIQUE, 0, op, "Everything becomes transparent."); |
504 | new_draw_info (NDI_UNIQUE, 0, op, "Everything becomes transparent."); |
504 | if (op->type == PLAYER) |
505 | if (op->type == PLAYER) |
505 | op->contr->do_los = 1; |
506 | op->contr->do_los = 1; |
506 | } |
507 | } |
507 | } |
508 | } |
508 | else |
509 | else |
509 | { |
510 | { |
510 | if (QUERY_FLAG (op, FLAG_WIZ)) |
511 | if (op->flag [FLAG_WIZ]) |
511 | new_draw_info (NDI_UNIQUE, 0, op, "Your vision becomes a bit out of focus."); |
512 | new_draw_info (NDI_UNIQUE, 0, op, "Your vision becomes a bit out of focus."); |
512 | else |
513 | else |
513 | { |
514 | { |
514 | new_draw_info (NDI_UNIQUE, 0, op, "Everything suddenly looks very solid."); |
515 | new_draw_info (NDI_UNIQUE, 0, op, "Everything suddenly looks very solid."); |
515 | if (op->type == PLAYER) |
516 | if (op->type == PLAYER) |
… | |
… | |
553 | for (int i = 0; i < NROFATTACKS; i++) |
554 | for (int i = 0; i < NROFATTACKS; i++) |
554 | { |
555 | { |
555 | if (i == ATNR_PHYSICAL) |
556 | if (i == ATNR_PHYSICAL) |
556 | continue; /* Don't display about armour */ |
557 | continue; /* Don't display about armour */ |
557 | |
558 | |
558 | if (op->resist[i] != refop.resist[i]) |
559 | if (op->resist [i] != prev_resist [i]) |
559 | { |
560 | { |
560 | success = 1; |
561 | success = 1; |
|
|
562 | |
561 | if (op->resist[i] > refop.resist[i]) |
563 | if (op->resist [i] > prev_resist [i]) |
562 | sprintf (message, "Your resistance to %s rises to %d%%.", change_resist_msg[i], op->resist[i]); |
564 | sprintf (message, "Your resistance to %s rises to %d%%.", change_resist_msg [i], op->resist [i]); |
563 | else |
565 | else |
564 | sprintf (message, "Your resistance to %s drops to %d%%.", change_resist_msg[i], op->resist[i]); |
566 | sprintf (message, "Your resistance to %s drops to %d%%.", change_resist_msg [i], op->resist [i]); |
565 | |
567 | |
566 | new_draw_info (NDI_UNIQUE | NDI_BLUE, 0, op, message); |
568 | new_draw_info (NDI_UNIQUE | NDI_BLUE, 0, op, message); |
567 | } |
569 | } |
568 | } |
570 | } |
569 | |
571 | |
570 | if (!potion_max) |
572 | if (!potion_max) |
571 | { |
|
|
572 | for (int j = 0; j < NUM_STATS; j++) |
573 | for (int j = 0; j < NUM_STATS; j++) |
573 | { |
|
|
574 | if (int i = tmp->stats.stat (j)) |
574 | if (int i = tmp->stats.stat (j)) |
575 | { |
575 | { |
576 | success = 1; |
576 | success = 1; |
577 | DIFF_MSG (i * flag, gain_msg[j], lose_msg[j]); |
577 | DIFF_MSG (i * flag, gain_msg[j], lose_msg[j]); |
578 | } |
578 | } |
579 | } |
|
|
580 | } |
|
|
581 | |
579 | |
582 | return success; |
580 | return success; |
583 | } |
581 | } |
584 | |
582 | |
585 | /* |
583 | /* |
… | |
… | |
863 | continue; |
861 | continue; |
864 | |
862 | |
865 | /* See note in map.c:update_position about making this additive |
863 | /* See note in map.c:update_position about making this additive |
866 | * since light sources are never applied, need to put check here. |
864 | * since light sources are never applied, need to put check here. |
867 | */ |
865 | */ |
868 | if (tmp->glow_radius > glow_radius) |
|
|
869 | glow_radius = tmp->glow_radius; |
866 | glow_radius = max (glow_radius, tmp->glow_radius); |
870 | |
867 | |
871 | /* For some things, we don't care what is equipped */ |
868 | /* For some things, we don't care what is equipped */ |
872 | if (tmp->type == SKILL) |
869 | if (tmp->type == SKILL) |
873 | { |
870 | { |
874 | /* Want to take the highest skill here. */ |
871 | /* Want to take the highest skill here. */ |
… | |
… | |
887 | else if (tmp->level > grace_obj->level) |
884 | else if (tmp->level > grace_obj->level) |
888 | grace_obj = tmp; |
885 | grace_obj = tmp; |
889 | } |
886 | } |
890 | } |
887 | } |
891 | |
888 | |
892 | /* Container objects are not meant to adjust a players, but other applied |
889 | /* Container objects are not meant to adjust players, but other applied |
893 | * objects need to make adjustments. |
890 | * objects need to make adjustments. |
894 | * This block should handle all player specific changes |
891 | * This block should handle all player specific changes |
895 | * The check for Praying is a bit of a hack - god given bonuses are put |
892 | * The check for Praying is a bit of a hack - god given bonuses are put |
896 | * in the praying skill, and the player should always get those. |
893 | * in the praying skill, and the player should always get those. |
897 | * It also means we need to put in additional checks for applied below, |
894 | * It also means we need to put in additional checks for applied below, |
… | |
… | |
920 | |
917 | |
921 | if (digest_types [tmp->type]) |
918 | if (digest_types [tmp->type]) |
922 | { |
919 | { |
923 | contr->digestion += tmp->stats.food; |
920 | contr->digestion += tmp->stats.food; |
924 | contr->gen_hp += tmp->stats.hp; |
921 | contr->gen_hp += tmp->stats.hp; |
|
|
922 | if (tmp->type != BOW) // ugly exception for bows |
925 | contr->gen_sp += tmp->stats.sp; |
923 | contr->gen_sp += tmp->stats.sp; |
926 | contr->gen_grace += tmp->stats.grace; |
924 | contr->gen_grace += tmp->stats.grace; |
927 | contr->gen_sp_armour += tmp->gen_sp_armour; |
925 | contr->gen_sp_armour += tmp->gen_sp_armour; |
928 | } |
926 | } |
929 | } /* if this is a player */ |
927 | } /* if this is a player */ |
930 | else |
928 | else |
… | |
… | |
940 | |
938 | |
941 | if (tmp->type == SYMPTOM) |
939 | if (tmp->type == SYMPTOM) |
942 | speed_reduce_from_disease = |
940 | speed_reduce_from_disease = |
943 | min (speed_reduce_from_disease, tmp->last_sp ? tmp->last_sp / 100.f : 1.f); |
941 | min (speed_reduce_from_disease, tmp->last_sp ? tmp->last_sp / 100.f : 1.f); |
944 | |
942 | |
945 | /* Pos. and neg. protections are counted seperate (-> pro/vuln). |
943 | /* Pos. and neg. protections are counted separate (-> pro/vuln). |
946 | * (Negative protections are calculated exactly like positive.) |
944 | * (Negative protections are calculated exactly like positive.) |
947 | * Resistance from potions are treated special as well. If there's |
945 | * Resistance from potions are treated special as well. If there's |
948 | * more than one potion-effect, the bigger prot.-value is taken. |
946 | * more than one potion-effect, the bigger prot.-value is taken. |
949 | */ |
947 | */ |
950 | if (tmp->type != POTION) |
948 | if (tmp->type != POTION) |