src/player/player-status-flags.c

   1 #include "player/player-status-flags.h"
   2 #include "art-definition/art-sword-types.h"
   3 #include "grid/grid.h"
   4 #include "inventory/inventory-slot-types.h"
   5 #include "monster-race/monster-race.h"
   6 #include "monster-race/race-flags2.h"
   7 #include "monster-race/race-flags7.h"
   8 #include "mutation/mutation-flag-types.h"
   9 #include "object-enchant/object-ego.h"
  10 #include "object-enchant/tr-types.h"
  11 #include "object-enchant/trc-types.h"
  12 #include "object-hook/hook-checker.h"
  13 #include "object-hook/hook-weapon.h"
  14 #include "object/object-flags.h"
  15 #include "player/player-class.h"
  16 #include "player/player-race-types.h"
  17 #include "player/player-race.h"
  18 #include "player/player-skill.h"
  19 #include "player/player-status.h"
  20 #include "player/special-defense-types.h"
  21 #include "realm/realm-hex-numbers.h"
  22 #include "realm/realm-song-numbers.h"
  23 #include "realm/realm-types.h"
  24 #include "spell-realm/spells-hex.h"
  25 #include "sv-definition/sv-weapon-types.h"
  26 #include "system/floor-type-definition.h"
  27 #include "system/monster-type-definition.h"
  28 #include "system/object-type-definition.h"
  29 #include "util/bit-flags-calculator.h"
  30 #include "util/quarks.h"
  31 #include "util/string-processor.h"
  32
  33 static BIT_FLAGS check_equipment_flags(player_type *creature_ptr, tr_type tr_flag);
  34
  35 static BIT_FLAGS check_equipment_flags(player_type *creature_ptr, tr_type tr_flag)
  36 {
  37     object_type *o_ptr;
  38     BIT_FLAGS flgs[TR_FLAG_SIZE];
  39     BIT_FLAGS result = 0L;
  40     for (inventory_slot_type i = INVEN_RARM; i < INVEN_TOTAL; i++) {
  41         o_ptr = &creature_ptr->inventory_list[i];
  42         if (!o_ptr->k_idx)
  43             continue;
  44
  45         object_flags(creature_ptr, o_ptr, flgs);
  46
  47         if (has_flag(flgs, tr_flag))
  48             result |= 0x01 << (i - INVEN_RARM);
  49     }
  50     return result;
  51 }
  52
  53 bool is_kill_wall(player_type *creature_ptr)
  54 {
  55     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD || music_singing(creature_ptr, MUSIC_WALL)) {
  56         return TRUE;
  57     }
  58
  59     if (creature_ptr->riding) {
  60         monster_type *riding_m_ptr = &creature_ptr->current_floor_ptr->m_list[creature_ptr->riding];
  61         monster_race *riding_r_ptr = &r_info[riding_m_ptr->r_idx];
  62         if (riding_r_ptr->flags2 & RF2_KILL_WALL)
  63             return TRUE;
  64     }
  65
  66     return FALSE;
  67 }
  68
  69 bool is_pass_wall(player_type *creature_ptr)
  70 {
  71     bool pow = FALSE;
  72
  73     if (creature_ptr->wraith_form || creature_ptr->tim_pass_wall || (!creature_ptr->mimic_form && creature_ptr->prace == RACE_SPECTRE)) {
  74         pow = TRUE;
  75     }
  76
  77     if (creature_ptr->riding) {
  78         monster_type *riding_m_ptr = &creature_ptr->current_floor_ptr->m_list[creature_ptr->riding];
  79         monster_race *riding_r_ptr = &r_info[riding_m_ptr->r_idx];
  80         if (!(riding_r_ptr->flags2 & RF2_PASS_WALL))
  81             pow = FALSE;
  82     }
  83
  84     return pow;
  85 }
  86
  87 BIT_FLAGS is_xtra_might(player_type *creature_ptr)
  88 {
  89     BIT_FLAGS result = 0L;
  90     result |= check_equipment_flags(creature_ptr, TR_XTRA_MIGHT);
  91     return result;
  92 }
  93
  94 BIT_FLAGS is_esp_evil(player_type *creature_ptr)
  95 {
  96     BIT_FLAGS result = 0L;
  97     if (creature_ptr->realm1 == REALM_HEX) {
  98         if (hex_spelling(creature_ptr, HEX_DETECT_EVIL))
  99             result |= 0x01 << FLAG_CAUSE_MAGIC_TIME_EFFECT;
 100     }
 101     result |= check_equipment_flags(creature_ptr, TR_ESP_EVIL);
 102     return result;
 103 }
 104
 105 BIT_FLAGS is_esp_animal(player_type *creature_ptr)
 106 {
 107     BIT_FLAGS result = 0L;
 108     result |= check_equipment_flags(creature_ptr, TR_ESP_ANIMAL);
 109     return result;
 110 }
 111
 112 BIT_FLAGS is_esp_undead(player_type *creature_ptr)
 113 {
 114     BIT_FLAGS result = 0L;
 115     result |= check_equipment_flags(creature_ptr, TR_ESP_UNDEAD);
 116     return result;
 117 }
 118
 119 BIT_FLAGS is_esp_demon(player_type *creature_ptr)
 120 {
 121     BIT_FLAGS result = 0L;
 122     result |= check_equipment_flags(creature_ptr, TR_ESP_DEMON);
 123     return result;
 124 }
 125
 126 BIT_FLAGS is_esp_orc(player_type *creature_ptr)
 127 {
 128     BIT_FLAGS result = 0L;
 129     result |= check_equipment_flags(creature_ptr, TR_ESP_ORC);
 130     return result;
 131 }
 132
 133 BIT_FLAGS is_esp_troll(player_type *creature_ptr)
 134 {
 135     BIT_FLAGS result = 0L;
 136     result |= check_equipment_flags(creature_ptr, TR_ESP_TROLL);
 137     return result;
 138 }
 139
 140 BIT_FLAGS is_esp_giant(player_type *creature_ptr)
 141 {
 142     BIT_FLAGS result = 0L;
 143     result |= check_equipment_flags(creature_ptr, TR_ESP_GIANT);
 144     return result;
 145 }
 146
 147 BIT_FLAGS is_esp_dragon(player_type *creature_ptr)
 148 {
 149     BIT_FLAGS result = 0L;
 150     result |= check_equipment_flags(creature_ptr, TR_ESP_DRAGON);
 151     return result;
 152 }
 153
 154 BIT_FLAGS is_esp_human(player_type *creature_ptr)
 155 {
 156     BIT_FLAGS result = 0L;
 157     result |= check_equipment_flags(creature_ptr, TR_ESP_HUMAN);
 158     return result;
 159 }
 160
 161 BIT_FLAGS is_esp_good(player_type *creature_ptr)
 162 {
 163     BIT_FLAGS result = 0L;
 164     result |= check_equipment_flags(creature_ptr, TR_ESP_GOOD);
 165     return result;
 166 }
 167
 168 BIT_FLAGS is_esp_nonliving(player_type *creature_ptr)
 169 {
 170     BIT_FLAGS result = 0L;
 171     result |= check_equipment_flags(creature_ptr, TR_ESP_GOOD);
 172     return result;
 173 }
 174
 175 BIT_FLAGS is_esp_unique(player_type *creature_ptr)
 176 {
 177     BIT_FLAGS result = 0L;
 178     result |= check_equipment_flags(creature_ptr, TR_ESP_UNIQUE);
 179     return result;
 180 }
 181
 182 BIT_FLAGS is_esp_telepathy(player_type *creature_ptr)
 183 {
 184     BIT_FLAGS result = 0L;
 185
 186     if (is_time_limit_esp(creature_ptr) || creature_ptr->ult_res || (creature_ptr->special_defense & KATA_MUSOU)) {
 187         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 188     }
 189
 190     if (creature_ptr->muta3 & MUT3_ESP) {
 191         result |= FLAG_CAUSE_MUTATION;
 192     }
 193
 194     if (is_specific_player_race(creature_ptr, RACE_MIND_FLAYER) && creature_ptr->lev > 29)
 195         result |= FLAG_CAUSE_RACE;
 196
 197     if (is_specific_player_race(creature_ptr, RACE_SPECTRE) && creature_ptr->lev > 34)
 198         result |= FLAG_CAUSE_RACE;
 199
 200     if (creature_ptr->pclass == CLASS_MINDCRAFTER && creature_ptr->lev > 39)
 201         result |= FLAG_CAUSE_CLASS;
 202
 203     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
 204         result |= FLAG_CAUSE_RACE;
 205     }
 206
 207     result |= check_equipment_flags(creature_ptr, TR_TELEPATHY);
 208     return result;
 209 }
 210
 211 BIT_FLAGS has_bless_blade(player_type *creature_ptr)
 212 {
 213     BIT_FLAGS result = 0L;
 214     result |= check_equipment_flags(creature_ptr, TR_BLESSED);
 215     return result;
 216 }
 217
 218 BIT_FLAGS has_easy2_weapon(player_type *creature_ptr)
 219 {
 220     BIT_FLAGS result = 0L;
 221     result |= check_equipment_flags(creature_ptr, TR_EASY2_WEAPON);
 222     return result;
 223 }
 224
 225 BIT_FLAGS has_down_saving(player_type *creature_ptr)
 226 {
 227     BIT_FLAGS result = 0L;
 228     result |= check_equipment_flags(creature_ptr, TR_DOWN_SAVING);
 229     return result;
 230 }
 231
 232 BIT_FLAGS has_no_ac(player_type *creature_ptr)
 233 {
 234     BIT_FLAGS result = 0L;
 235     result |= check_equipment_flags(creature_ptr, TR_NO_AC);
 236     return result;
 237 }
 238
 239 void has_no_flowed(player_type *creature_ptr)
 240 {
 241     object_type *o_ptr;
 242     bool has_sw = FALSE, has_kabe = FALSE;
 243     OBJECT_IDX this_o_idx, next_o_idx = 0;
 244
 245     creature_ptr->no_flowed = FALSE;
 246
 247     if (creature_ptr->pass_wall && !creature_ptr->kill_wall)
 248         creature_ptr->no_flowed = TRUE;
 249
 250     for (int i = 0; i < INVEN_PACK; i++) {
 251         if ((creature_ptr->inventory_list[i].tval == TV_NATURE_BOOK) && (creature_ptr->inventory_list[i].sval == 2))
 252             has_sw = TRUE;
 253         if ((creature_ptr->inventory_list[i].tval == TV_CRAFT_BOOK) && (creature_ptr->inventory_list[i].sval == 2))
 254             has_kabe = TRUE;
 255     }
 256
 257     for (this_o_idx = creature_ptr->current_floor_ptr->grid_array[creature_ptr->y][creature_ptr->x].o_idx; this_o_idx; this_o_idx = next_o_idx) {
 258         o_ptr = &creature_ptr->current_floor_ptr->o_list[this_o_idx];
 259         next_o_idx = o_ptr->next_o_idx;
 260
 261         if ((o_ptr->tval == TV_NATURE_BOOK) && (o_ptr->sval == 2))
 262             has_sw = TRUE;
 263         if ((o_ptr->tval == TV_CRAFT_BOOK) && (o_ptr->sval == 2))
 264             has_kabe = TRUE;
 265     }
 266
 267     if (has_sw && ((creature_ptr->realm1 == REALM_NATURE) || (creature_ptr->realm2 == REALM_NATURE) || (creature_ptr->pclass == CLASS_SORCERER))) {
 268         const magic_type *s_ptr = &mp_ptr->info[REALM_NATURE - 1][SPELL_SW];
 269         if (creature_ptr->lev >= s_ptr->slevel)
 270             creature_ptr->no_flowed = TRUE;
 271     }
 272
 273     if (has_kabe && ((creature_ptr->realm1 == REALM_CRAFT) || (creature_ptr->realm2 == REALM_CRAFT) || (creature_ptr->pclass == CLASS_SORCERER))) {
 274         const magic_type *s_ptr = &mp_ptr->info[REALM_CRAFT - 1][SPELL_WALL];
 275         if (creature_ptr->lev >= s_ptr->slevel)
 276             creature_ptr->no_flowed = TRUE;
 277     }
 278 }
 279
 280 BIT_FLAGS has_mighty_throw(player_type *creature_ptr)
 281 {
 282     BIT_FLAGS result = 0L;
 283     result |= check_equipment_flags(creature_ptr, TR_MIGHTY_THROW);
 284     return result;
 285 }
 286
 287 BIT_FLAGS has_dec_mana(player_type *creature_ptr)
 288 {
 289     BIT_FLAGS result = 0L;
 290     result |= check_equipment_flags(creature_ptr, TR_DEC_MANA);
 291     return result;
 292 }
 293
 294 BIT_FLAGS has_reflect(player_type *creature_ptr)
 295 {
 296     BIT_FLAGS result = 0L;
 297
 298     if (creature_ptr->pclass == CLASS_BERSERKER && creature_ptr->lev > 39)
 299         result |= FLAG_CAUSE_CLASS;
 300
 301     if (creature_ptr->pclass == CLASS_MIRROR_MASTER && creature_ptr->lev > 39)
 302         result |= FLAG_CAUSE_CLASS;
 303
 304     if (creature_ptr->special_defense & KAMAE_GENBU || creature_ptr->special_defense & KATA_MUSOU) {
 305         result |= FLAG_CAUSE_BATTLE_FORM;
 306     }
 307
 308     if (creature_ptr->ult_res || creature_ptr->wraith_form || creature_ptr->magicdef || creature_ptr->tim_reflect) {
 309         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 310     }
 311
 312     result |= check_equipment_flags(creature_ptr, TR_REFLECT);
 313     return result;
 314 }
 315
 316 BIT_FLAGS has_see_nocto(player_type *creature_ptr) { return creature_ptr->pclass == CLASS_NINJA ? FLAG_CAUSE_CLASS : 0L; }
 317
 318 BIT_FLAGS has_warning(player_type *creature_ptr)
 319 {
 320     BIT_FLAGS result = 0L;
 321     object_type *o_ptr;
 322     BIT_FLAGS flgs[TR_FLAG_SIZE];
 323
 324     for (inventory_slot_type i = INVEN_RARM; i < INVEN_TOTAL; i++) {
 325         o_ptr = &creature_ptr->inventory_list[i];
 326         if (!o_ptr->k_idx)
 327             continue;
 328
 329         object_flags(creature_ptr, o_ptr, flgs);
 330
 331         if (has_flag(flgs, TR_WARNING)) {
 332             if (!o_ptr->inscription || !(angband_strchr(quark_str(o_ptr->inscription), '$')))
 333                 result |= 0x01 << (i - INVEN_RARM);
 334         }
 335     }
 336     return result;
 337 }
 338
 339 BIT_FLAGS has_anti_magic(player_type *creature_ptr)
 340 {
 341     BIT_FLAGS result = 0L;
 342     result |= check_equipment_flags(creature_ptr, TR_NO_MAGIC);
 343     return result;
 344 }
 345
 346 BIT_FLAGS has_anti_tele(player_type *creature_ptr)
 347 {
 348     BIT_FLAGS result = 0L;
 349     result |= check_equipment_flags(creature_ptr, TR_NO_TELE);
 350     return result;
 351 }
 352
 353 BIT_FLAGS has_sh_fire(player_type *creature_ptr)
 354 {
 355     BIT_FLAGS result = 0L;
 356
 357     if (creature_ptr->muta3 & MUT3_FIRE_BODY) {
 358         result |= FLAG_CAUSE_MUTATION;
 359     }
 360
 361     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
 362         result |= FLAG_CAUSE_RACE;
 363     }
 364
 365     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KATA_MUSOU) {
 366         result |= FLAG_CAUSE_BATTLE_FORM;
 367     }
 368
 369     if (hex_spelling(creature_ptr, HEX_DEMON_AURA) || creature_ptr->ult_res || creature_ptr->tim_sh_fire) {
 370         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 371     }
 372
 373     result |= check_equipment_flags(creature_ptr, TR_SH_FIRE);
 374     return result;
 375 }
 376
 377 BIT_FLAGS has_sh_elec(player_type *creature_ptr)
 378 {
 379     BIT_FLAGS result = 0L;
 380
 381     if (creature_ptr->muta3 & MUT3_ELEC_TOUC)
 382         result |= FLAG_CAUSE_MUTATION;
 383
 384     if (hex_spelling(creature_ptr, HEX_SHOCK_CLOAK) || creature_ptr->ult_res) {
 385         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 386     }
 387
 388     if (creature_ptr->special_defense & KAMAE_SEIRYU || (creature_ptr->special_defense & KATA_MUSOU)) {
 389         result |= FLAG_CAUSE_BATTLE_FORM;
 390     }
 391
 392     result |= check_equipment_flags(creature_ptr, TR_SH_ELEC);
 393     return result;
 394 }
 395
 396 BIT_FLAGS has_sh_cold(player_type *creature_ptr)
 397 {
 398     BIT_FLAGS result = 0L;
 399
 400     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KATA_MUSOU) {
 401         result |= FLAG_CAUSE_BATTLE_FORM;
 402     }
 403
 404     if (creature_ptr->ult_res || hex_spelling(creature_ptr, HEX_ICE_ARMOR)) {
 405         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 406     }
 407
 408     result |= check_equipment_flags(creature_ptr, TR_SH_COLD);
 409     return result;
 410 }
 411
 412 BIT_FLAGS has_easy_spell(player_type *creature_ptr)
 413 {
 414     BIT_FLAGS result = 0L;
 415     result |= check_equipment_flags(creature_ptr, TR_EASY_SPELL);
 416     return result;
 417 }
 418
 419 BIT_FLAGS has_heavy_spell(player_type *creature_ptr)
 420 {
 421     BIT_FLAGS result = 0L;
 422     result |= check_equipment_flags(creature_ptr, TR_HEAVY_SPELL);
 423     return result;
 424 }
 425
 426 BIT_FLAGS has_hold_exp(player_type *creature_ptr)
 427 {
 428     BIT_FLAGS result = 0L;
 429
 430     if (creature_ptr->pseikaku == PERSONALITY_MUNCHKIN) {
 431         result |= FLAG_CAUSE_PERSONALITY;
 432     }
 433
 434     if (creature_ptr->mimic_form == MIMIC_DEMON || creature_ptr->mimic_form == MIMIC_DEMON_LORD || creature_ptr->mimic_form == MIMIC_VAMPIRE) {
 435         result |= FLAG_CAUSE_RACE;
 436     }
 437
 438     if (is_specific_player_race(creature_ptr, RACE_HOBBIT) || is_specific_player_race(creature_ptr, RACE_SKELETON)
 439         || is_specific_player_race(creature_ptr, RACE_ZOMBIE) || is_specific_player_race(creature_ptr, RACE_VAMPIRE)
 440         || is_specific_player_race(creature_ptr, RACE_SPECTRE) || is_specific_player_race(creature_ptr, RACE_BALROG)
 441         || is_specific_player_race(creature_ptr, RACE_ANDROID)) {
 442         result |= FLAG_CAUSE_RACE;
 443     }
 444
 445     if (is_specific_player_race(creature_ptr, RACE_GOLEM)) {
 446         if (creature_ptr->lev > 34)
 447             result |= FLAG_CAUSE_RACE;
 448     }
 449
 450     if (creature_ptr->special_defense & KATA_MUSOU) {
 451         result |= FLAG_CAUSE_BATTLE_FORM;
 452     }
 453
 454     if (creature_ptr->ult_res) {
 455         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 456     }
 457
 458     result |= check_equipment_flags(creature_ptr, TR_HOLD_EXP);
 459     return result;
 460 }
 461
 462 BIT_FLAGS has_see_inv(player_type *creature_ptr)
 463 {
 464     BIT_FLAGS result = 0L;
 465
 466     if (creature_ptr->pclass == CLASS_NINJA && creature_ptr->lev > 29)
 467         result |= FLAG_CAUSE_CLASS;
 468
 469     if (creature_ptr->mimic_form == MIMIC_DEMON || creature_ptr->mimic_form == MIMIC_DEMON_LORD || creature_ptr->mimic_form == MIMIC_VAMPIRE) {
 470         result |= FLAG_CAUSE_RACE;
 471     } else if (is_specific_player_race(creature_ptr, RACE_HIGH_ELF) || is_specific_player_race(creature_ptr, RACE_GOLEM)
 472         || is_specific_player_race(creature_ptr, RACE_SKELETON) || is_specific_player_race(creature_ptr, RACE_ZOMBIE)
 473         || is_specific_player_race(creature_ptr, RACE_SPECTRE) || is_specific_player_race(creature_ptr, RACE_ARCHON)) {
 474         result |= FLAG_CAUSE_RACE;
 475     } else if (is_specific_player_race(creature_ptr, RACE_DARK_ELF) && creature_ptr->lev > 19) {
 476         result |= FLAG_CAUSE_RACE;
 477     } else if (is_specific_player_race(creature_ptr, RACE_MIND_FLAYER) && creature_ptr->lev > 14) {
 478         result |= FLAG_CAUSE_RACE;
 479     } else if ((is_specific_player_race(creature_ptr, RACE_IMP) || is_specific_player_race(creature_ptr, RACE_BALROG)) && creature_ptr->lev > 9) {
 480         result |= FLAG_CAUSE_RACE;
 481     }
 482
 483     if (creature_ptr->special_defense & KATA_MUSOU) {
 484         result |= FLAG_CAUSE_BATTLE_FORM;
 485     }
 486
 487     if (creature_ptr->ult_res || creature_ptr->tim_invis) {
 488         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 489     }
 490
 491     result |= check_equipment_flags(creature_ptr, TR_SEE_INVIS);
 492     return result;
 493 }
 494
 495 BIT_FLAGS has_free_act(player_type *creature_ptr)
 496 {
 497     BIT_FLAGS result = 0L;
 498
 499     if (creature_ptr->muta3 & MUT3_MOTION)
 500         result |= FLAG_CAUSE_MUTATION;
 501
 502     if (is_specific_player_race(creature_ptr, RACE_GNOME) || is_specific_player_race(creature_ptr, RACE_GOLEM)
 503         || is_specific_player_race(creature_ptr, RACE_SPECTRE) || is_specific_player_race(creature_ptr, RACE_ANDROID)) {
 504         result |= FLAG_CAUSE_RACE;
 505     }
 506
 507     if (heavy_armor(creature_ptr) && (!creature_ptr->inventory_list[INVEN_RARM].k_idx || has_right_hand_weapon(creature_ptr))
 508         && (!creature_ptr->inventory_list[INVEN_LARM].k_idx || has_left_hand_weapon(creature_ptr))) {
 509         if (creature_ptr->lev > 24)
 510             result |= FLAG_CAUSE_CLASS;
 511     }
 512
 513     if (creature_ptr->pclass == CLASS_MONK || creature_ptr->pclass == CLASS_FORCETRAINER) {
 514         if (!(heavy_armor(creature_ptr))) {
 515             if (creature_ptr->lev > 24)
 516                 result |= FLAG_CAUSE_CLASS;
 517         }
 518     }
 519
 520     if (creature_ptr->pclass == CLASS_BERSERKER) {
 521         result |= FLAG_CAUSE_CLASS;
 522     }
 523
 524     if (creature_ptr->ult_res || creature_ptr->magicdef) {
 525         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 526     }
 527
 528     if (creature_ptr->special_defense & KATA_MUSOU) {
 529         result |= FLAG_CAUSE_BATTLE_FORM;
 530     }
 531
 532     result |= check_equipment_flags(creature_ptr, TR_FREE_ACT);
 533     return result;
 534 }
 535
 536 BIT_FLAGS is_sustain_str(player_type *creature_ptr)
 537 {
 538     BIT_FLAGS result = 0L;
 539
 540     if (creature_ptr->pclass == CLASS_BERSERKER) {
 541         result |= FLAG_CAUSE_CLASS;
 542     }
 543     if (is_specific_player_race(creature_ptr, RACE_HALF_TROLL) || is_specific_player_race(creature_ptr, RACE_HALF_OGRE)
 544         || is_specific_player_race(creature_ptr, RACE_HALF_GIANT)) {
 545         result |= FLAG_CAUSE_RACE;
 546     }
 547
 548     if (creature_ptr->ult_res) {
 549         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 550     }
 551
 552     if (creature_ptr->special_defense & KATA_MUSOU) {
 553         result |= FLAG_CAUSE_BATTLE_FORM;
 554     }
 555
 556     result |= check_equipment_flags(creature_ptr, TR_SUST_STR);
 557     return result;
 558 }
 559
 560 BIT_FLAGS is_sustain_int(player_type *creature_ptr)
 561 {
 562     BIT_FLAGS result = 0L;
 563
 564     if (is_specific_player_race(creature_ptr, RACE_MIND_FLAYER)) {
 565         result |= FLAG_CAUSE_RACE;
 566     }
 567
 568     if (creature_ptr->ult_res) {
 569         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 570     }
 571
 572     if (creature_ptr->special_defense & KATA_MUSOU) {
 573         result |= FLAG_CAUSE_BATTLE_FORM;
 574     }
 575
 576     result |= check_equipment_flags(creature_ptr, TR_SUST_INT);
 577     return result;
 578 }
 579
 580 BIT_FLAGS is_sustain_wis(player_type *creature_ptr)
 581 {
 582     BIT_FLAGS result = 0L;
 583
 584     result = FALSE;
 585     if (creature_ptr->pclass == CLASS_MINDCRAFTER && creature_ptr->lev > 19)
 586         result |= FLAG_CAUSE_CLASS;
 587
 588     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_MIND_FLAYER)) {
 589         result |= FLAG_CAUSE_RACE;
 590     }
 591
 592     if (creature_ptr->ult_res) {
 593         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 594     }
 595
 596     if (creature_ptr->special_defense & KATA_MUSOU) {
 597         result |= FLAG_CAUSE_BATTLE_FORM;
 598     }
 599
 600     result |= check_equipment_flags(creature_ptr, TR_SUST_WIS);
 601     return result;
 602 }
 603
 604 BIT_FLAGS is_sustain_dex(player_type *creature_ptr)
 605 {
 606     BIT_FLAGS result = 0L;
 607     if (creature_ptr->pclass == CLASS_BERSERKER) {
 608         result |= FLAG_CAUSE_CLASS;
 609     }
 610
 611     if (creature_ptr->pclass == CLASS_NINJA && creature_ptr->lev > 24)
 612         result |= FLAG_CAUSE_CLASS;
 613
 614     if (creature_ptr->ult_res) {
 615         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 616     }
 617
 618     if (creature_ptr->special_defense & KATA_MUSOU) {
 619         result |= FLAG_CAUSE_BATTLE_FORM;
 620     }
 621
 622     result |= check_equipment_flags(creature_ptr, TR_SUST_DEX);
 623     return result;
 624 }
 625
 626 BIT_FLAGS is_sustain_con(player_type *creature_ptr)
 627 {
 628     BIT_FLAGS result = 0L;
 629     if (creature_ptr->pclass == CLASS_BERSERKER) {
 630         result |= FLAG_CAUSE_CLASS;
 631     }
 632
 633     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_AMBERITE || creature_ptr->prace == RACE_DUNADAN)) {
 634         result |= FLAG_CAUSE_RACE;
 635     }
 636
 637     if (creature_ptr->ult_res) {
 638         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 639     }
 640
 641     if (creature_ptr->special_defense & KATA_MUSOU) {
 642         result |= FLAG_CAUSE_BATTLE_FORM;
 643     }
 644
 645     result |= check_equipment_flags(creature_ptr, TR_SUST_CON);
 646     return result;
 647 }
 648
 649 BIT_FLAGS is_sustain_chr(player_type *creature_ptr)
 650 {
 651     BIT_FLAGS result = 0L;
 652
 653     if (creature_ptr->ult_res) {
 654         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 655     }
 656
 657     if (creature_ptr->special_defense & KATA_MUSOU) {
 658         result |= FLAG_CAUSE_BATTLE_FORM;
 659     }
 660
 661     result |= check_equipment_flags(creature_ptr, TR_SUST_CHR);
 662     return result;
 663 }
 664
 665 BIT_FLAGS has_levitation(player_type *creature_ptr)
 666 {
 667     BIT_FLAGS result = 0L;
 668
 669     if (creature_ptr->muta3 & MUT3_WINGS)
 670         result = FLAG_CAUSE_MUTATION;
 671
 672     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
 673         result = FLAG_CAUSE_RACE;
 674     }
 675
 676     if (is_specific_player_race(creature_ptr, RACE_DRACONIAN) || is_specific_player_race(creature_ptr, RACE_SPECTRE)
 677         || is_specific_player_race(creature_ptr, RACE_SPRITE) || is_specific_player_race(creature_ptr, RACE_ARCHON)
 678         || is_specific_player_race(creature_ptr, RACE_S_FAIRY)) {
 679         result = FLAG_CAUSE_RACE;
 680     }
 681
 682     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KAMAE_SUZAKU || (creature_ptr->special_defense & KATA_MUSOU)) {
 683         result = FLAG_CAUSE_BATTLE_FORM;
 684     }
 685
 686     if (creature_ptr->ult_res) {
 687         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 688     }
 689
 690     if (creature_ptr->riding) {
 691         monster_type *riding_m_ptr = &creature_ptr->current_floor_ptr->m_list[creature_ptr->riding];
 692         monster_race *riding_r_ptr = &r_info[riding_m_ptr->r_idx];
 693         result = (riding_r_ptr->flags7 & RF7_CAN_FLY) ? result : 0;
 694     }
 695
 696     if (creature_ptr->tim_levitation) {
 697         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 698     }
 699
 700     result |= check_equipment_flags(creature_ptr, TR_LEVITATION);
 701     return result;
 702 }
 703
 704 void has_can_swim(player_type *creature_ptr)
 705 {
 706     creature_ptr->can_swim = FALSE;
 707     if (creature_ptr->riding) {
 708         monster_type *riding_m_ptr = &creature_ptr->current_floor_ptr->m_list[creature_ptr->riding];
 709         monster_race *riding_r_ptr = &r_info[riding_m_ptr->r_idx];
 710         if (riding_r_ptr->flags7 & (RF7_CAN_SWIM | RF7_AQUATIC))
 711             creature_ptr->can_swim = TRUE;
 712     }
 713 }
 714
 715 BIT_FLAGS has_slow_digest(player_type *creature_ptr)
 716 {
 717     BIT_FLAGS result = 0L;
 718
 719     if (creature_ptr->pclass == CLASS_NINJA) {
 720         result = FLAG_CAUSE_CLASS;
 721     }
 722
 723     if (creature_ptr->lev > 14 && !creature_ptr->mimic_form && creature_ptr->prace == RACE_HALF_TROLL) {
 724         if (creature_ptr->pclass == CLASS_WARRIOR || creature_ptr->pclass == CLASS_BERSERKER) {
 725             result = FLAG_CAUSE_CLASS;
 726             /* Let's not make Regeneration
 727              * a disadvantage for the poor warriors who can
 728              * never learn a spell that satisfies hunger (actually
 729              * neither can rogues, but half-trolls are not
 730              * supposed to play rogues) */
 731         }
 732     }
 733
 734     if (creature_ptr->special_defense & KATA_MUSOU) {
 735         result = FLAG_CAUSE_BATTLE_FORM;
 736     }
 737
 738     if (creature_ptr->ult_res) {
 739         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 740     }
 741
 742     if (!creature_ptr->mimic_form
 743         && (creature_ptr->prace == RACE_GOLEM || creature_ptr->prace == RACE_ZOMBIE || creature_ptr->prace == RACE_SPECTRE
 744             || creature_ptr->prace == RACE_ANDROID)) {
 745         result = FLAG_CAUSE_RACE;
 746     }
 747
 748     result |= check_equipment_flags(creature_ptr, TR_SLOW_DIGEST);
 749     return result;
 750 }
 751
 752 BIT_FLAGS has_regenerate(player_type *creature_ptr)
 753 {
 754     BIT_FLAGS result = 0L;
 755
 756     if (is_specific_player_race(creature_ptr, RACE_HALF_TROLL) && creature_ptr->lev > 14) {
 757         result |= FLAG_CAUSE_RACE;
 758     }
 759
 760     if (is_specific_player_race(creature_ptr, RACE_AMBERITE)) {
 761         result |= FLAG_CAUSE_RACE;
 762     }
 763
 764     if (creature_ptr->pclass == CLASS_WARRIOR && creature_ptr->lev > 44) {
 765         result |= FLAG_CAUSE_RACE;
 766     }
 767
 768     if (creature_ptr->pclass == CLASS_BERSERKER) {
 769         result |= FLAG_CAUSE_RACE;
 770     }
 771
 772     if (creature_ptr->muta3 & MUT3_REGEN)
 773         result |= FLAG_CAUSE_MUTATION;
 774
 775     if (creature_ptr->special_defense & KATA_MUSOU) {
 776         result |= FLAG_CAUSE_MUTATION;
 777     }
 778
 779     if (hex_spelling(creature_ptr, HEX_DEMON_AURA) || creature_ptr->ult_res || creature_ptr->tim_regen) {
 780         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 781     }
 782
 783     result |= check_equipment_flags(creature_ptr, TR_REGEN);
 784
 785     if (creature_ptr->muta3 & MUT3_FLESH_ROT)
 786         result = 0L;
 787
 788     return result;
 789 }
 790
 791 void has_curses(player_type *creature_ptr)
 792 {
 793     object_type *o_ptr;
 794     BIT_FLAGS flgs[TR_FLAG_SIZE];
 795     creature_ptr->cursed = 0L;
 796
 797     if (creature_ptr->pseikaku == PERSONALITY_SEXY)
 798         creature_ptr->cursed |= (TRC_AGGRAVATE);
 799
 800     for (inventory_slot_type i = INVEN_RARM; i < INVEN_TOTAL; i++) {
 801         o_ptr = &creature_ptr->inventory_list[i];
 802         if (!o_ptr->k_idx)
 803             continue;
 804         object_flags(creature_ptr, o_ptr, flgs);
 805         if (has_flag(flgs, TR_AGGRAVATE))
 806             creature_ptr->cursed |= TRC_AGGRAVATE;
 807         if (has_flag(flgs, TR_DRAIN_EXP))
 808             creature_ptr->cursed |= TRC_DRAIN_EXP;
 809         if (has_flag(flgs, TR_TY_CURSE))
 810             creature_ptr->cursed |= TRC_TY_CURSE;
 811         if (has_flag(flgs, TR_ADD_L_CURSE))
 812             creature_ptr->cursed |= TRC_ADD_L_CURSE;
 813         if (has_flag(flgs, TR_ADD_H_CURSE))
 814             creature_ptr->cursed |= TRC_ADD_H_CURSE;
 815         if (has_flag(flgs, TR_DRAIN_HP))
 816             creature_ptr->cursed |= TRC_DRAIN_HP;
 817         if (has_flag(flgs, TR_DRAIN_MANA))
 818             creature_ptr->cursed |= TRC_DRAIN_MANA;
 819         if (has_flag(flgs, TR_CALL_ANIMAL))
 820             creature_ptr->cursed |= TRC_CALL_ANIMAL;
 821         if (has_flag(flgs, TR_CALL_DEMON))
 822             creature_ptr->cursed |= TRC_CALL_DEMON;
 823         if (has_flag(flgs, TR_CALL_DRAGON))
 824             creature_ptr->cursed |= TRC_CALL_DRAGON;
 825         if (has_flag(flgs, TR_CALL_UNDEAD))
 826             creature_ptr->cursed |= TRC_CALL_UNDEAD;
 827         if (has_flag(flgs, TR_COWARDICE))
 828             creature_ptr->cursed |= TRC_COWARDICE;
 829         if (has_flag(flgs, TR_LOW_MELEE))
 830             creature_ptr->cursed |= TRC_LOW_MELEE;
 831         if (has_flag(flgs, TR_LOW_AC))
 832             creature_ptr->cursed |= TRC_LOW_AC;
 833         if (has_flag(flgs, TR_LOW_MAGIC))
 834             creature_ptr->cursed |= TRC_LOW_MAGIC;
 835         if (has_flag(flgs, TR_FAST_DIGEST))
 836             creature_ptr->cursed |= TRC_FAST_DIGEST;
 837         if (has_flag(flgs, TR_SLOW_REGEN))
 838             creature_ptr->cursed |= TRC_SLOW_REGEN;
 839
 840         creature_ptr->cursed |= (o_ptr->curse_flags & (0xFFFFFFF0L));
 841         if (o_ptr->name1 == ART_CHAINSWORD)
 842             creature_ptr->cursed |= TRC_CHAINSWORD;
 843
 844         if (has_flag(flgs, TR_TELEPORT)) {
 845             if (object_is_cursed(o_ptr))
 846                 creature_ptr->cursed |= TRC_TELEPORT;
 847             else {
 848                 concptr insc = quark_str(o_ptr->inscription);
 849
 850                 /* {.} will stop random teleportation. */
 851                 if (o_ptr->inscription && angband_strchr(insc, '.')) {
 852                 } else {
 853                     creature_ptr->cursed |= TRC_TELEPORT_SELF;
 854                 }
 855             }
 856         }
 857     }
 858
 859     if (creature_ptr->cursed & TRC_TELEPORT)
 860         creature_ptr->cursed &= ~(TRC_TELEPORT_SELF);
 861
 862     if ((is_specific_player_race(creature_ptr, RACE_S_FAIRY)) && (creature_ptr->pseikaku != PERSONALITY_SEXY) && (creature_ptr->cursed & TRC_AGGRAVATE)) {
 863         creature_ptr->cursed &= ~(TRC_AGGRAVATE);
 864     }
 865 }
 866
 867 BIT_FLAGS has_impact(player_type *creature_ptr)
 868 {
 869     BIT_FLAGS result = 0L;
 870     result |= check_equipment_flags(creature_ptr, TR_IMPACT);
 871     return result;
 872 }
 873
 874 void has_extra_blow(player_type *creature_ptr)
 875 {
 876     object_type *o_ptr;
 877     BIT_FLAGS flgs[TR_FLAG_SIZE];
 878     creature_ptr->extra_blows[0] = creature_ptr->extra_blows[1] = 0;
 879
 880     for (inventory_slot_type i = INVEN_RARM; i < INVEN_TOTAL; i++) {
 881         o_ptr = &creature_ptr->inventory_list[i];
 882         if (!o_ptr->k_idx)
 883             continue;
 884
 885         object_flags(creature_ptr, o_ptr, flgs);
 886         if (has_flag(flgs, TR_BLOWS)) {
 887             if ((i == INVEN_RARM || i == INVEN_RIGHT) && !has_two_handed_weapons(creature_ptr))
 888                 creature_ptr->extra_blows[0] += o_ptr->pval;
 889             else if ((i == INVEN_LARM || i == INVEN_LEFT) && !has_two_handed_weapons(creature_ptr))
 890                 creature_ptr->extra_blows[1] += o_ptr->pval;
 891             else {
 892                 creature_ptr->extra_blows[0] += o_ptr->pval;
 893                 creature_ptr->extra_blows[1] += o_ptr->pval;
 894             }
 895         }
 896     }
 897 }
 898
 899 BIT_FLAGS is_resist_acid(player_type *creature_ptr)
 900 {
 901     BIT_FLAGS result = 0L;
 902
 903     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
 904         result |= FLAG_CAUSE_RACE;
 905     } else if (is_specific_player_race(creature_ptr, RACE_YEEK) || is_specific_player_race(creature_ptr, RACE_KLACKON)) {
 906         result |= FLAG_CAUSE_RACE;
 907     } else if (is_specific_player_race(creature_ptr, RACE_DRACONIAN) && creature_ptr->lev > 14) {
 908         result |= FLAG_CAUSE_RACE;
 909     }
 910
 911     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KATA_MUSOU) {
 912         result |= FLAG_CAUSE_BATTLE_FORM;
 913     }
 914
 915     if (creature_ptr->ult_res) {
 916         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 917     }
 918
 919     result |= is_immune_acid(creature_ptr);
 920
 921     result |= check_equipment_flags(creature_ptr, TR_RES_ACID);
 922     return result;
 923 }
 924
 925 BIT_FLAGS is_resist_elec(player_type *creature_ptr)
 926 {
 927     BIT_FLAGS result = 0L;
 928
 929     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
 930         result |= FLAG_CAUSE_RACE;
 931     } else if (is_specific_player_race(creature_ptr, RACE_DRACONIAN) && creature_ptr->lev > 19) {
 932         result |= FLAG_CAUSE_RACE;
 933     }
 934
 935     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KATA_MUSOU) {
 936         result |= FLAG_CAUSE_BATTLE_FORM;
 937     }
 938
 939     if (creature_ptr->ult_res) {
 940         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 941     }
 942
 943     result |= check_equipment_flags(creature_ptr, TR_RES_ELEC);
 944     result |= is_immune_elec(creature_ptr);
 945     return result;
 946 }
 947
 948 BIT_FLAGS is_resist_fire(player_type *creature_ptr)
 949 {
 950     BIT_FLAGS result = 0L;
 951
 952     if (creature_ptr->mimic_form == MIMIC_DEMON || creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
 953         result |= FLAG_CAUSE_RACE;
 954     }
 955
 956     if (is_specific_player_race(creature_ptr, RACE_DRACONIAN) && creature_ptr->lev > 4) {
 957         result |= FLAG_CAUSE_RACE;
 958     }
 959
 960     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_IMP || creature_ptr->prace == RACE_BALROG)) {
 961         result |= FLAG_CAUSE_RACE;
 962     }
 963
 964     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KATA_MUSOU) {
 965         result |= FLAG_CAUSE_BATTLE_FORM;
 966     }
 967
 968     if (creature_ptr->ult_res) {
 969         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
 970     }
 971
 972     result |= check_equipment_flags(creature_ptr, TR_RES_FIRE);
 973     result |= is_immune_fire(creature_ptr);
 974     return result;
 975 }
 976
 977 BIT_FLAGS is_resist_cold(player_type *creature_ptr)
 978 {
 979     BIT_FLAGS result = 0L;
 980
 981     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD || creature_ptr->mimic_form == MIMIC_VAMPIRE) {
 982         result |= FLAG_CAUSE_RACE;
 983     }
 984
 985     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_ZOMBIE) && creature_ptr->lev > 4) {
 986         result |= FLAG_CAUSE_RACE;
 987     }
 988
 989     if ((is_specific_player_race(creature_ptr, RACE_DRACONIAN) || is_specific_player_race(creature_ptr, RACE_SKELETON)) && creature_ptr->lev > 9) {
 990         result |= FLAG_CAUSE_RACE;
 991     }
 992
 993     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_VAMPIRE || creature_ptr->prace == RACE_SPECTRE)) {
 994         result |= FLAG_CAUSE_RACE;
 995     }
 996
 997     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KATA_MUSOU) {
 998         result |= FLAG_CAUSE_BATTLE_FORM;
 999     }
1000
1001     if (creature_ptr->ult_res) {
1002         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1003     }
1004
1005     result |= check_equipment_flags(creature_ptr, TR_RES_COLD);
1006     result |= is_immune_cold(creature_ptr);
1007     return result;
1008 }
1009
1010 BIT_FLAGS is_resist_pois(player_type *creature_ptr)
1011 {
1012     BIT_FLAGS result = 0L;
1013
1014     if (creature_ptr->pclass == CLASS_NINJA && creature_ptr->lev > 19)
1015         result |= FLAG_CAUSE_CLASS;
1016
1017     if (creature_ptr->mimic_form == MIMIC_VAMPIRE || creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
1018         result |= FLAG_CAUSE_RACE;
1019     }
1020
1021     if (is_specific_player_race(creature_ptr, RACE_DRACONIAN) && creature_ptr->lev > 34) {
1022         result |= FLAG_CAUSE_RACE;
1023     }
1024
1025     if (!creature_ptr->mimic_form
1026         && (creature_ptr->prace == RACE_KOBOLD || creature_ptr->prace == RACE_GOLEM || creature_ptr->prace == RACE_SKELETON
1027             || creature_ptr->prace == RACE_VAMPIRE || creature_ptr->prace == RACE_SPECTRE || creature_ptr->prace == RACE_ANDROID)) {
1028         result |= FLAG_CAUSE_RACE;
1029     }
1030
1031     if (creature_ptr->special_defense & KAMAE_SEIRYU || creature_ptr->special_defense & KATA_MUSOU) {
1032         result |= FLAG_CAUSE_BATTLE_FORM;
1033     }
1034
1035     if (creature_ptr->ult_res) {
1036         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1037     }
1038
1039     result |= check_equipment_flags(creature_ptr, TR_RES_POIS);
1040     return result;
1041 }
1042
1043 BIT_FLAGS is_resist_conf(player_type *creature_ptr)
1044 {
1045     BIT_FLAGS result = 0L;
1046
1047     if (creature_ptr->pclass == CLASS_MINDCRAFTER && creature_ptr->lev > 29)
1048         result |= FLAG_CAUSE_CLASS;
1049
1050     if (creature_ptr->pseikaku == PERSONALITY_CHARGEMAN || creature_ptr->pseikaku == PERSONALITY_MUNCHKIN) {
1051         result |= FLAG_CAUSE_PERSONALITY;
1052     }
1053
1054     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_KLACKON || creature_ptr->prace == RACE_BEASTMAN || creature_ptr->prace == RACE_KUTAR)) {
1055         result |= FLAG_CAUSE_RACE;
1056     }
1057
1058     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
1059         result |= FLAG_CAUSE_RACE;
1060     }
1061
1062     if (creature_ptr->ult_res || creature_ptr->magicdef) {
1063         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1064     }
1065
1066     if (creature_ptr->special_defense & KATA_MUSOU) {
1067         result |= FLAG_CAUSE_BATTLE_FORM;
1068     }
1069
1070     result |= check_equipment_flags(creature_ptr, TR_RES_CONF);
1071     return result;
1072 }
1073
1074 BIT_FLAGS is_resist_sound(player_type *creature_ptr)
1075 {
1076     BIT_FLAGS result = 0L;
1077
1078     if (creature_ptr->pclass == CLASS_BARD) {
1079         result |= FLAG_CAUSE_CLASS;
1080     }
1081
1082     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_CYCLOPS || creature_ptr->prace == RACE_BEASTMAN)) {
1083         result |= FLAG_CAUSE_RACE;
1084     }
1085
1086     if (creature_ptr->special_defense & KATA_MUSOU) {
1087         result |= FLAG_CAUSE_BATTLE_FORM;
1088     }
1089
1090     if (creature_ptr->ult_res) {
1091         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1092     }
1093
1094     result |= check_equipment_flags(creature_ptr, TR_RES_SOUND);
1095     return result;
1096 }
1097
1098 BIT_FLAGS is_resist_lite(player_type *creature_ptr)
1099 {
1100     BIT_FLAGS result = 0L;
1101
1102     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_ELF || creature_ptr->prace == RACE_HIGH_ELF || creature_ptr->prace == RACE_SPRITE)) {
1103         result |= FLAG_CAUSE_RACE;
1104     }
1105
1106     if (creature_ptr->special_defense & KATA_MUSOU) {
1107         result |= FLAG_CAUSE_BATTLE_FORM;
1108     }
1109
1110     if (creature_ptr->ult_res) {
1111         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1112     }
1113
1114     result |= check_equipment_flags(creature_ptr, TR_RES_LITE);
1115     return result;
1116 }
1117
1118 BIT_FLAGS is_resist_dark(player_type *creature_ptr)
1119 {
1120     BIT_FLAGS result = 0L;
1121
1122     if (creature_ptr->mimic_form == MIMIC_VAMPIRE) {
1123         result |= FLAG_CAUSE_RACE;
1124     }
1125
1126     if (!creature_ptr->mimic_form
1127         && (creature_ptr->prace == RACE_HALF_ORC || creature_ptr->prace == RACE_HALF_OGRE || creature_ptr->prace == RACE_NIBELUNG
1128             || creature_ptr->prace == RACE_DARK_ELF || creature_ptr->prace == RACE_VAMPIRE)) {
1129         result |= FLAG_CAUSE_RACE;
1130     }
1131
1132     if (creature_ptr->special_defense & KATA_MUSOU) {
1133         result |= FLAG_CAUSE_BATTLE_FORM;
1134     }
1135
1136     if (creature_ptr->ult_res) {
1137         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1138     }
1139
1140     result |= check_equipment_flags(creature_ptr, TR_RES_DARK);
1141     return result;
1142 }
1143
1144 BIT_FLAGS is_resist_chaos(player_type *creature_ptr)
1145 {
1146     BIT_FLAGS result = 0L;
1147
1148     if (creature_ptr->pclass == CLASS_CHAOS_WARRIOR && creature_ptr->lev > 29)
1149         result |= FLAG_CAUSE_CLASS;
1150
1151     if (creature_ptr->mimic_form == MIMIC_DEMON || creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
1152         result |= FLAG_CAUSE_RACE;
1153     }
1154
1155     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_HALF_TITAN)
1156         result |= FLAG_CAUSE_RACE;
1157
1158     if (creature_ptr->special_defense & KATA_MUSOU) {
1159         result |= FLAG_CAUSE_BATTLE_FORM;
1160     }
1161
1162     if (creature_ptr->ult_res) {
1163         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1164     }
1165
1166     result |= check_equipment_flags(creature_ptr, TR_RES_CHAOS);
1167     return result;
1168 }
1169
1170 BIT_FLAGS is_resist_disen(player_type *creature_ptr)
1171 {
1172     BIT_FLAGS result = 0L;
1173
1174     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
1175         result |= FLAG_CAUSE_RACE;
1176     }
1177
1178     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_NIBELUNG)
1179         result |= FLAG_CAUSE_RACE;
1180
1181     if (creature_ptr->special_defense & KATA_MUSOU) {
1182         result |= FLAG_CAUSE_BATTLE_FORM;
1183     }
1184
1185     if (creature_ptr->ult_res) {
1186         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1187     }
1188
1189     result |= check_equipment_flags(creature_ptr, TR_RES_DISEN);
1190     return result;
1191 }
1192
1193 BIT_FLAGS is_resist_shard(player_type *creature_ptr)
1194 {
1195     BIT_FLAGS result = 0L;
1196
1197     if (!creature_ptr->mimic_form && (creature_ptr->prace == RACE_HALF_TITAN || creature_ptr->prace == RACE_SKELETON))
1198         result |= FLAG_CAUSE_RACE;
1199
1200     if (creature_ptr->special_defense & KATA_MUSOU) {
1201         result |= FLAG_CAUSE_BATTLE_FORM;
1202     }
1203
1204     if (creature_ptr->ult_res) {
1205         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1206     }
1207
1208     result |= check_equipment_flags(creature_ptr, TR_RES_SHARDS);
1209     return result;
1210 }
1211
1212 BIT_FLAGS is_resist_nexus(player_type *creature_ptr)
1213 {
1214     BIT_FLAGS result = 0L;
1215
1216     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
1217         result |= FLAG_CAUSE_RACE;
1218     }
1219
1220     if (creature_ptr->special_defense & KATA_MUSOU) {
1221         result |= FLAG_CAUSE_BATTLE_FORM;
1222     }
1223
1224     if (creature_ptr->ult_res) {
1225         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1226     }
1227
1228     result |= check_equipment_flags(creature_ptr, TR_RES_NEXUS);
1229     return result;
1230 }
1231
1232 BIT_FLAGS is_resist_blind(player_type *creature_ptr)
1233 {
1234     BIT_FLAGS result = 0L;
1235
1236     if (creature_ptr->pseikaku == PERSONALITY_MUNCHKIN) {
1237         result |= FLAG_CAUSE_PERSONALITY;
1238     }
1239
1240     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_DWARF)
1241         result |= FLAG_CAUSE_RACE;
1242
1243     if (creature_ptr->special_defense & KATA_MUSOU) {
1244         result |= FLAG_CAUSE_BATTLE_FORM;
1245     }
1246
1247     if (creature_ptr->ult_res || creature_ptr->magicdef) {
1248         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1249     }
1250
1251     result |= check_equipment_flags(creature_ptr, TR_RES_BLIND);
1252     return result;
1253 }
1254
1255 BIT_FLAGS is_resist_neth(player_type *creature_ptr)
1256 {
1257     BIT_FLAGS result = 0L;
1258
1259     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD || creature_ptr->mimic_form == MIMIC_DEMON || creature_ptr->mimic_form == MIMIC_VAMPIRE) {
1260         result |= FLAG_CAUSE_RACE;
1261     }
1262
1263     if (!creature_ptr->mimic_form
1264         && (creature_ptr->prace == RACE_ZOMBIE || creature_ptr->prace == RACE_VAMPIRE || creature_ptr->prace == RACE_SPECTRE
1265             || creature_ptr->prace == RACE_BALROG))
1266         result |= FLAG_CAUSE_RACE;
1267
1268     if (creature_ptr->special_defense & KATA_MUSOU) {
1269         result |= FLAG_CAUSE_BATTLE_FORM;
1270     }
1271
1272     if (creature_ptr->ult_res || creature_ptr->tim_res_nether) {
1273         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1274     }
1275
1276     result |= check_equipment_flags(creature_ptr, TR_RES_NETHER);
1277     return result;
1278 }
1279
1280 BIT_FLAGS is_resist_time(player_type *creature_ptr)
1281 {
1282     BIT_FLAGS result = 0L;
1283
1284     if (creature_ptr->tim_res_time) {
1285         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1286     }
1287
1288     result |= check_equipment_flags(creature_ptr, TR_RES_TIME);
1289     return result;
1290 }
1291
1292 BIT_FLAGS is_resist_water(player_type *creature_ptr)
1293 {
1294     BIT_FLAGS result = 0L;
1295
1296     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_MERFOLK)
1297         result |= FLAG_CAUSE_RACE;
1298
1299     result |= check_equipment_flags(creature_ptr, TR_RES_WATER);
1300     return result;
1301 }
1302
1303 BIT_FLAGS is_resist_fear(player_type *creature_ptr)
1304 {
1305     BIT_FLAGS result = 0L;
1306
1307     if (creature_ptr->muta3 & MUT3_FEARLESS)
1308         result |= FLAG_CAUSE_MUTATION;
1309
1310     switch (creature_ptr->pclass) {
1311     case CLASS_WARRIOR:
1312     case CLASS_SAMURAI:
1313         if (creature_ptr->lev > 29)
1314             result |= FLAG_CAUSE_CLASS;
1315         break;
1316     case CLASS_PALADIN:
1317     case CLASS_CHAOS_WARRIOR:
1318         if (creature_ptr->lev > 39)
1319             result |= FLAG_CAUSE_CLASS;
1320         break;
1321     case CLASS_MINDCRAFTER:
1322         if (creature_ptr->lev > 9)
1323             result |= FLAG_CAUSE_CLASS;
1324         break;
1325     case CLASS_NINJA:
1326         result |= FLAG_CAUSE_CLASS;
1327         break;
1328     }
1329
1330     if (creature_ptr->mimic_form == MIMIC_DEMON_LORD) {
1331         result |= FLAG_CAUSE_RACE;
1332     }
1333
1334     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_BARBARIAN)
1335         result |= FLAG_CAUSE_RACE;
1336
1337     if ((creature_ptr->special_defense & KATA_MUSOU)) {
1338         result |= FLAG_CAUSE_BATTLE_FORM;
1339     }
1340
1341     if (is_hero(creature_ptr) || is_shero(creature_ptr) || creature_ptr->ult_res) {
1342         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1343     }
1344
1345     result |= check_equipment_flags(creature_ptr, TR_RES_FEAR);
1346     return result;
1347 }
1348
1349 BIT_FLAGS is_immune_acid(player_type *creature_ptr)
1350 {
1351     BIT_FLAGS result = 0L;
1352     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_YEEK && creature_ptr->lev > 19)
1353         result |= FLAG_CAUSE_RACE;
1354
1355     if (creature_ptr->ele_immune) {
1356         if (creature_ptr->special_defense & DEFENSE_ACID)
1357             result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1358     }
1359
1360     result |= check_equipment_flags(creature_ptr, TR_IM_ACID);
1361     return result;
1362 }
1363
1364 BIT_FLAGS is_immune_elec(player_type *creature_ptr)
1365 {
1366     BIT_FLAGS result = 0L;
1367
1368     if (creature_ptr->ele_immune) {
1369         if (creature_ptr->special_defense & DEFENSE_ELEC)
1370             result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1371     }
1372
1373     result |= check_equipment_flags(creature_ptr, TR_IM_ELEC);
1374     return result;
1375 }
1376
1377 BIT_FLAGS is_immune_fire(player_type *creature_ptr)
1378 {
1379     BIT_FLAGS result = 0L;
1380
1381     if (creature_ptr->ele_immune) {
1382         if (creature_ptr->special_defense & DEFENSE_FIRE)
1383             result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1384     }
1385
1386     result |= check_equipment_flags(creature_ptr, TR_IM_FIRE);
1387     return result;
1388 }
1389
1390 BIT_FLAGS is_immune_cold(player_type *creature_ptr)
1391 {
1392     BIT_FLAGS result = 0L;
1393
1394     if (creature_ptr->ele_immune) {
1395         if (creature_ptr->special_defense & DEFENSE_COLD)
1396             result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1397     }
1398
1399     result |= check_equipment_flags(creature_ptr, TR_IM_COLD);
1400     return result;
1401 }
1402
1403 bool has_right_hand_weapon(player_type *creature_ptr)
1404 {
1405     if (has_melee_weapon(creature_ptr, INVEN_RARM))
1406         return TRUE;
1407
1408     if (can_two_hands_wielding(creature_ptr)) {
1409         switch (creature_ptr->pclass) {
1410         case CLASS_MONK:
1411         case CLASS_FORCETRAINER:
1412         case CLASS_BERSERKER:
1413             if (empty_hands(creature_ptr, FALSE) == (EMPTY_HAND_RARM | EMPTY_HAND_LARM)) {
1414                 return TRUE;
1415             }
1416             break;
1417         }
1418     }
1419
1420     return FALSE;
1421 }
1422
1423 bool has_left_hand_weapon(player_type *creature_ptr) { return has_melee_weapon(creature_ptr, INVEN_LARM); }
1424
1425 bool has_two_handed_weapons(player_type *creature_ptr)
1426 {
1427     if (can_two_hands_wielding(creature_ptr)) {
1428         if (has_right_hand_weapon(creature_ptr) && (empty_hands(creature_ptr, FALSE) == EMPTY_HAND_LARM)
1429             && object_allow_two_hands_wielding(&creature_ptr->inventory_list[INVEN_RARM])) {
1430             return TRUE;
1431         } else if (has_left_hand_weapon(creature_ptr) && (empty_hands(creature_ptr, FALSE) == EMPTY_HAND_RARM)
1432             && object_allow_two_hands_wielding(&creature_ptr->inventory_list[INVEN_LARM])) {
1433             return TRUE;
1434         }
1435     }
1436     return FALSE;
1437 }
1438
1439 BIT_FLAGS has_lite(player_type *creature_ptr)
1440 {
1441     BIT_FLAGS result = 0L;
1442     if (creature_ptr->pclass == CLASS_NINJA)
1443         return 0L;
1444
1445     if (creature_ptr->pseikaku == PERSONALITY_MUNCHKIN) {
1446         result |= FLAG_CAUSE_PERSONALITY;
1447     }
1448
1449     if (creature_ptr->mimic_form == MIMIC_VAMPIRE) {
1450         result |= FLAG_CAUSE_RACE;
1451     }
1452
1453     if (!creature_ptr->mimic_form && creature_ptr->prace == RACE_VAMPIRE)
1454         result |= FLAG_CAUSE_RACE;
1455
1456     if (creature_ptr->ult_res) {
1457         result |= FLAG_CAUSE_MAGIC_TIME_EFFECT;
1458     }
1459
1460     if (creature_ptr->special_defense & KATA_MUSOU) {
1461         result |= FLAG_CAUSE_BATTLE_FORM;
1462     }
1463
1464     result |= has_sh_fire(creature_ptr);
1465
1466     return result;
1467 }
1468
1469 bool is_disable_two_handed_bonus(player_type *creature_ptr, int i)
1470 {
1471     object_type *o_ptr;
1472     o_ptr = &creature_ptr->inventory_list[INVEN_RARM + i];
1473     if (has_melee_weapon(creature_ptr, INVEN_RARM + i)) {
1474         if (calc_weapon_weight_limit(creature_ptr) * 2 >= o_ptr->weight / 10 && has_two_handed_weapons(creature_ptr)
1475             && (calc_weapon_weight_limit(creature_ptr) * 2 < o_ptr->weight / 5))
1476             return TRUE;
1477     }
1478     return FALSE;
1479 }
1480
1481 bool is_icky_wield_weapon(player_type *creature_ptr, int i)
1482 {
1483     object_type *o_ptr;
1484     BIT_FLAGS flgs[TR_FLAG_SIZE];
1485     o_ptr = &creature_ptr->inventory_list[INVEN_RARM + i];
1486     object_flags(creature_ptr, o_ptr, flgs);
1487
1488     if ((creature_ptr->pclass == CLASS_PRIEST) && (!(has_flag(flgs, TR_BLESSED))) && ((o_ptr->tval == TV_SWORD) || (o_ptr->tval == TV_POLEARM))) {
1489         return TRUE;
1490     } else if (creature_ptr->pclass == CLASS_SORCERER) {
1491         if (!((o_ptr->tval == TV_HAFTED) && ((o_ptr->sval == SV_WIZSTAFF) || (o_ptr->sval == SV_NAMAKE_HAMMER)))) {
1492             return TRUE;
1493         }
1494     }
1495     if (is_not_monk_weapon(creature_ptr, i) || is_not_ninja_weapon(creature_ptr, i)) {
1496         return TRUE;
1497     }
1498     return FALSE;
1499 }
1500
1501 bool is_riding_wield_weapon(player_type *creature_ptr, int i)
1502 {
1503     object_type *o_ptr;
1504     BIT_FLAGS flgs[TR_FLAG_SIZE];
1505     o_ptr = &creature_ptr->inventory_list[INVEN_RARM + i];
1506     object_flags(creature_ptr, o_ptr, flgs);
1507     if (creature_ptr->riding != 0 && !(o_ptr->tval == TV_POLEARM) && ((o_ptr->sval == SV_LANCE) || (o_ptr->sval == SV_HEAVY_LANCE))
1508         && !has_flag(flgs, TR_RIDING)) {
1509         return TRUE;
1510     }
1511     return FALSE;
1512 }
1513
1514 bool is_not_ninja_weapon(player_type *creature_ptr, int i)
1515 {
1516     tval_type tval = creature_ptr->inventory_list[INVEN_RARM + i].tval - TV_WEAPON_BEGIN;
1517     OBJECT_SUBTYPE_VALUE sval = creature_ptr->inventory_list[INVEN_RARM + i].sval;
1518     return creature_ptr->pclass == CLASS_NINJA
1519         && !((s_info[CLASS_NINJA].w_max[tval][sval] > WEAPON_EXP_BEGINNER) && (creature_ptr->inventory_list[INVEN_LARM - i].tval != TV_SHIELD));
1520 }
1521
1522 bool is_not_monk_weapon(player_type *creature_ptr, int i)
1523 {
1524     tval_type tval = creature_ptr->inventory_list[INVEN_RARM + i].tval - TV_WEAPON_BEGIN;
1525     OBJECT_SUBTYPE_VALUE sval = creature_ptr->inventory_list[INVEN_RARM + i].sval;
1526     return (creature_ptr->pclass == CLASS_MONK) || (creature_ptr->pclass == CLASS_FORCETRAINER) && (!s_info[creature_ptr->pclass].w_max[tval][sval]);
1527 }
1528
1529 bool has_good_luck(player_type *creature_ptr) { return (creature_ptr->pseikaku == PERSONALITY_LUCKY) || (creature_ptr->muta3 & MUT3_GOOD_LUCK); }