src/combat/shoot.c

   1 #include "angband.h"
   2 #include "core.h"
   3 #include "util.h"
   4 #include "term.h"
   5
   6 #include "monster.h"
   7 #include "monster-status.h"
   8 #include "monster-spell.h"
   9 #include "artifact.h"
  10 #include "avatar.h"
  11 #include "player-status.h"
  12 #include "player-skill.h"
  13 #include "player-class.h"
  14 #include "player-personality.h"
  15 #include "object-hook.h"
  16 #include "object-broken.h"
  17 #include "floor.h"
  18 #include "grid.h"
  19 #include "spells.h"
  20 #include "object-flavor.h"
  21
  22 #include "shoot.h"
  23 #include "snipe.h"
  24 #include "view-mainwindow.h"
  25 #include "objectkind.h"
  26 #include "targeting.h"
  27
  28 /*!
  29  * @brief 矢弾を射撃した際のスレイ倍率をかけた結果を返す /
  30  * Determines the odds of an object breaking when thrown at a monster
  31  * @param o_ptr 矢弾のオブジェクト構造体参照ポインタ
  32  * @param tdam 計算途中のダメージ量
  33  * @param m_ptr 目標モンスターの構造体参照ポインタ
  34  * @return スレイ倍率をかけたダメージ量
  35  */
  36 static MULTIPLY tot_dam_aux_shot(player_type *sniper_ptr, object_type *o_ptr, HIT_POINT tdam, monster_type *m_ptr, SPELL_IDX snipe_type)
  37 {
  38         MULTIPLY mult = 10;
  39
  40         monster_race *r_ptr = &r_info[m_ptr->r_idx];
  41
  42         BIT_FLAGS flgs[TR_FLAG_SIZE];
  43         object_flags(o_ptr, flgs);
  44
  45         /* Some "weapons" and "ammo" do extra damage */
  46         switch (o_ptr->tval)
  47         {
  48         case TV_SHOT:
  49         case TV_ARROW:
  50         case TV_BOLT:
  51         {
  52                 if ((have_flag(flgs, TR_SLAY_ANIMAL)) && (r_ptr->flags3 & RF3_ANIMAL))
  53                 {
  54                         if (is_original_ap_and_seen(m_ptr))
  55                         {
  56                                 r_ptr->r_flags3 |= RF3_ANIMAL;
  57                         }
  58                         if (mult < 17) mult = 17;
  59                 }
  60
  61                 if ((have_flag(flgs, TR_KILL_ANIMAL)) && (r_ptr->flags3 & RF3_ANIMAL))
  62                 {
  63                         if (is_original_ap_and_seen(m_ptr))
  64                         {
  65                                 r_ptr->r_flags3 |= RF3_ANIMAL;
  66                         }
  67                         if (mult < 27) mult = 27;
  68                 }
  69
  70                 if ((have_flag(flgs, TR_SLAY_EVIL)) && (r_ptr->flags3 & RF3_EVIL))
  71                 {
  72                         if (is_original_ap_and_seen(m_ptr))
  73                         {
  74                                 r_ptr->r_flags3 |= RF3_EVIL;
  75                         }
  76                         if (mult < 15) mult = 15;
  77                 }
  78
  79                 if ((have_flag(flgs, TR_KILL_EVIL)) && (r_ptr->flags3 & RF3_EVIL))
  80                 {
  81                         if (is_original_ap_and_seen(m_ptr))
  82                         {
  83                                 r_ptr->r_flags3 |= RF3_EVIL;
  84                         }
  85                         if (mult < 25) mult = 25;
  86                 }
  87
  88                 if ((have_flag(flgs, TR_SLAY_HUMAN)) && (r_ptr->flags2 & RF2_HUMAN))
  89                 {
  90                         if (is_original_ap_and_seen(m_ptr))
  91                         {
  92                                 r_ptr->r_flags2 |= RF2_HUMAN;
  93                         }
  94                         if (mult < 17) mult = 17;
  95                 }
  96
  97                 if ((have_flag(flgs, TR_KILL_HUMAN)) && (r_ptr->flags2 & RF2_HUMAN))
  98                 {
  99                         if (is_original_ap_and_seen(m_ptr))
 100                         {
 101                                 r_ptr->r_flags2 |= RF2_HUMAN;
 102                         }
 103                         if (mult < 27) mult = 27;
 104                 }
 105
 106                 if ((have_flag(flgs, TR_SLAY_UNDEAD)) && (r_ptr->flags3 & RF3_UNDEAD))
 107                 {
 108                         if (is_original_ap_and_seen(m_ptr))
 109                         {
 110                                 r_ptr->r_flags3 |= RF3_UNDEAD;
 111                         }
 112                         if (mult < 20) mult = 20;
 113                 }
 114
 115                 if ((have_flag(flgs, TR_KILL_UNDEAD)) && (r_ptr->flags3 & RF3_UNDEAD))
 116                 {
 117                         if (is_original_ap_and_seen(m_ptr))
 118                         {
 119                                 r_ptr->r_flags3 |= RF3_UNDEAD;
 120                         }
 121                         if (mult < 30) mult = 30;
 122                 }
 123
 124                 if ((have_flag(flgs, TR_SLAY_DEMON)) && (r_ptr->flags3 & RF3_DEMON))
 125                 {
 126                         if (is_original_ap_and_seen(m_ptr))
 127                         {
 128                                 r_ptr->r_flags3 |= RF3_DEMON;
 129                         }
 130                         if (mult < 20) mult = 20;
 131                 }
 132
 133                 if ((have_flag(flgs, TR_KILL_DEMON)) && (r_ptr->flags3 & RF3_DEMON))
 134                 {
 135                         if (is_original_ap_and_seen(m_ptr))
 136                         {
 137                                 r_ptr->r_flags3 |= RF3_DEMON;
 138                         }
 139                         if (mult < 30) mult = 30;
 140                 }
 141
 142                 if ((have_flag(flgs, TR_SLAY_ORC)) && (r_ptr->flags3 & RF3_ORC))
 143                 {
 144                         if (is_original_ap_and_seen(m_ptr))
 145                         {
 146                                 r_ptr->r_flags3 |= RF3_ORC;
 147                         }
 148                         if (mult < 20) mult = 20;
 149                 }
 150
 151                 if ((have_flag(flgs, TR_KILL_ORC)) && (r_ptr->flags3 & RF3_ORC))
 152                 {
 153                         if (is_original_ap_and_seen(m_ptr))
 154                         {
 155                                 r_ptr->r_flags3 |= RF3_ORC;
 156                         }
 157                         if (mult < 30) mult = 30;
 158                 }
 159
 160                 if ((have_flag(flgs, TR_SLAY_TROLL)) && (r_ptr->flags3 & RF3_TROLL))
 161                 {
 162                         if (is_original_ap_and_seen(m_ptr))
 163                         {
 164                                 r_ptr->r_flags3 |= RF3_TROLL;
 165                         }
 166
 167                         if (mult < 20) mult = 20;
 168                 }
 169
 170                 if ((have_flag(flgs, TR_KILL_TROLL)) && (r_ptr->flags3 & RF3_TROLL))
 171                 {
 172                         if (is_original_ap_and_seen(m_ptr))
 173                         {
 174                                 r_ptr->r_flags3 |= RF3_TROLL;
 175                         }
 176                         if (mult < 30) mult = 30;
 177                 }
 178
 179                 if ((have_flag(flgs, TR_SLAY_GIANT)) && (r_ptr->flags3 & RF3_GIANT))
 180                 {
 181                         if (is_original_ap_and_seen(m_ptr))
 182                         {
 183                                 r_ptr->r_flags3 |= RF3_GIANT;
 184                         }
 185                         if (mult < 20) mult = 20;
 186                 }
 187
 188                 if ((have_flag(flgs, TR_KILL_GIANT)) && (r_ptr->flags3 & RF3_GIANT))
 189                 {
 190                         if (is_original_ap_and_seen(m_ptr))
 191                         {
 192                                 r_ptr->r_flags3 |= RF3_GIANT;
 193                         }
 194                         if (mult < 30) mult = 30;
 195                 }
 196
 197                 if ((have_flag(flgs, TR_SLAY_DRAGON)) && (r_ptr->flags3 & RF3_DRAGON))
 198                 {
 199                         if (is_original_ap_and_seen(m_ptr))
 200                         {
 201                                 r_ptr->r_flags3 |= RF3_DRAGON;
 202                         }
 203                         if (mult < 20) mult = 20;
 204                 }
 205
 206                 if ((have_flag(flgs, TR_KILL_DRAGON)) && (r_ptr->flags3 & RF3_DRAGON))
 207                 {
 208                         if (is_original_ap_and_seen(m_ptr))
 209                         {
 210                                 r_ptr->r_flags3 |= RF3_DRAGON;
 211                         }
 212                         if (mult < 30) mult = 30;
 213                         if ((o_ptr->name1 == ART_BARD_ARROW) && (m_ptr->r_idx == MON_SMAUG) &&
 214                                 (sniper_ptr->inventory_list[INVEN_BOW].name1 == ART_BARD))
 215                                 mult *= 5;
 216                 }
 217
 218                 if (have_flag(flgs, TR_BRAND_ACID))
 219                 {
 220                         /* Notice immunity */
 221                         if (r_ptr->flagsr & RFR_EFF_IM_ACID_MASK)
 222                         {
 223                                 if (is_original_ap_and_seen(m_ptr))
 224                                 {
 225                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_ACID_MASK);
 226                                 }
 227                         }
 228                         else
 229                         {
 230                                 if (mult < 17) mult = 17;
 231                         }
 232                 }
 233
 234                 if (have_flag(flgs, TR_BRAND_ELEC))
 235                 {
 236                         /* Notice immunity */
 237                         if (r_ptr->flagsr & RFR_EFF_IM_ELEC_MASK)
 238                         {
 239                                 if (is_original_ap_and_seen(m_ptr))
 240                                 {
 241                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_ELEC_MASK);
 242                                 }
 243                         }
 244                         else
 245                         {
 246                                 if (mult < 17) mult = 17;
 247                         }
 248                 }
 249
 250                 if (have_flag(flgs, TR_BRAND_FIRE))
 251                 {
 252                         /* Notice immunity */
 253                         if (r_ptr->flagsr & RFR_EFF_IM_FIRE_MASK)
 254                         {
 255                                 if (is_original_ap_and_seen(m_ptr))
 256                                 {
 257                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_FIRE_MASK);
 258                                 }
 259                         }
 260                         /* Otherwise, take the damage */
 261                         else
 262                         {
 263                                 if (r_ptr->flags3 & RF3_HURT_FIRE)
 264                                 {
 265                                         if (mult < 25) mult = 25;
 266                                         if (is_original_ap_and_seen(m_ptr))
 267                                         {
 268                                                 r_ptr->r_flags3 |= RF3_HURT_FIRE;
 269                                         }
 270                                 }
 271                                 else if (mult < 17) mult = 17;
 272                         }
 273                 }
 274
 275                 if (have_flag(flgs, TR_BRAND_COLD))
 276                 {
 277                         /* Notice immunity */
 278                         if (r_ptr->flagsr & RFR_EFF_IM_COLD_MASK)
 279                         {
 280                                 if (is_original_ap_and_seen(m_ptr))
 281                                 {
 282                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_COLD_MASK);
 283                                 }
 284                         }
 285                         /* Otherwise, take the damage */
 286                         else
 287                         {
 288                                 if (r_ptr->flags3 & RF3_HURT_COLD)
 289                                 {
 290                                         if (mult < 25) mult = 25;
 291                                         if (is_original_ap_and_seen(m_ptr))
 292                                         {
 293                                                 r_ptr->r_flags3 |= RF3_HURT_COLD;
 294                                         }
 295                                 }
 296                                 else if (mult < 17) mult = 17;
 297                         }
 298                 }
 299
 300                 if (have_flag(flgs, TR_BRAND_POIS))
 301                 {
 302                         /* Notice immunity */
 303                         if (r_ptr->flagsr & RFR_EFF_IM_POIS_MASK)
 304                         {
 305                                 if (is_original_ap_and_seen(m_ptr))
 306                                 {
 307                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_POIS_MASK);
 308                                 }
 309                         }
 310                         /* Otherwise, take the damage */
 311                         else
 312                         {
 313                                 if (mult < 17) mult = 17;
 314                         }
 315                 }
 316
 317                 if ((have_flag(flgs, TR_FORCE_WEAPON)) && (sniper_ptr->csp > (sniper_ptr->msp / 30)))
 318                 {
 319                         sniper_ptr->csp -= (1 + (sniper_ptr->msp / 30));
 320                         sniper_ptr->redraw |= (PR_MANA);
 321                         mult = mult * 5 / 2;
 322                 }
 323                 break;
 324         }
 325         }
 326
 327         /* Sniper */
 328         if (snipe_type) mult = tot_dam_aux_snipe(sniper_ptr, mult, m_ptr, snipe_type);
 329
 330         /* Return the total damage */
 331         return (tdam * mult / 10);
 332 }
 333
 334
 335 /*!
 336  * @brief 射撃処理実行 /
 337  * Fire an object from the pack or floor.
 338  * @param item 射撃するオブジェクトの所持ID
 339  * @param j_ptr 射撃武器のオブジェクト参照ポインタ
 340  * @return なし
 341  * @details
 342  * <pre>
 343  * You may only fire items that "match" your missile launcher.
 344  * You must use slings + pebbles/shots, bows + arrows, xbows + bolts.
 345  * See "calc_bonuses()" for more calculations and such.
 346  * Note that "firing" a missile is MUCH better than "throwing" it.
 347  * Note: "unseen" monsters are very hard to hit.
 348  * Objects are more likely to break if they "attempt" to hit a monster.
 349  * Rangers (with Bows) and Anyone (with "Extra Shots") get extra shots.
 350  * The "extra shot" code works by decreasing the amount of energy
 351  * required to make each shot, spreading the shots out over time.
 352  * Note that when firing missiles, the launcher multiplier is applied
 353  * after all the bonuses are added in, making multipliers very useful.
 354  * Note that Bows of "Extra Might" get extra range and an extra bonus
 355  * for the damage multiplier.
 356  * Note that Bows of "Extra Shots" give an extra shot.
 357  * </pre>
 358  */
 359 void exe_fire(player_type *shooter_ptr, INVENTORY_IDX item, object_type *j_ptr, SPELL_IDX snipe_type)
 360 {
 361         DIRECTION dir;
 362         int i;
 363         POSITION y, x, ny, nx, ty, tx, prev_y, prev_x;
 364         int tdam_base, tdis, thits, tmul;
 365         int bonus, chance;
 366         int cur_dis, visible;
 367         PERCENTAGE j;
 368
 369         object_type forge;
 370         object_type *q_ptr;
 371
 372         object_type *o_ptr;
 373
 374         bool hit_body = FALSE;
 375
 376         GAME_TEXT o_name[MAX_NLEN];
 377
 378         u16b path_g[512];       /* For calcuration of path length */
 379
 380         int msec = delay_factor * delay_factor * delay_factor;
 381
 382         /* STICK TO */
 383         bool stick_to = FALSE;
 384
 385         /* Access the item (if in the pack) */
 386         if (item >= 0)
 387         {
 388                 o_ptr = &shooter_ptr->inventory_list[item];
 389         }
 390         else
 391         {
 392                 o_ptr = &shooter_ptr->current_floor_ptr->o_list[0 - item];
 393         }
 394
 395         /* Sniper - Cannot shot a single arrow twice */
 396         if ((snipe_type == SP_DOUBLE) && (o_ptr->number < 2)) snipe_type = SP_NONE;
 397
 398         object_desc(o_name, o_ptr, OD_OMIT_PREFIX);
 399
 400         /* Use the proper number of shots */
 401         thits = shooter_ptr->num_fire;
 402
 403         /* Use a base distance */
 404         tdis = 10;
 405
 406         /* Base damage from thrown object plus launcher bonus */
 407         tdam_base = damroll(o_ptr->dd, o_ptr->ds) + o_ptr->to_d + j_ptr->to_d;
 408
 409         /* Actually "fire" the object */
 410         bonus = (shooter_ptr->to_h_b + o_ptr->to_h + j_ptr->to_h);
 411         if ((j_ptr->sval == SV_LIGHT_XBOW) || (j_ptr->sval == SV_HEAVY_XBOW))
 412                 chance = (shooter_ptr->skill_thb + (shooter_ptr->weapon_exp[0][j_ptr->sval] / 400 + bonus) * BTH_PLUS_ADJ);
 413         else
 414                 chance = (shooter_ptr->skill_thb + ((shooter_ptr->weapon_exp[0][j_ptr->sval] - (WEAPON_EXP_MASTER / 2)) / 200 + bonus) * BTH_PLUS_ADJ);
 415
 416         shooter_ptr->energy_use = bow_energy(j_ptr->sval);
 417         tmul = bow_tmul(j_ptr->sval);
 418
 419         /* Get extra "power" from "extra might" */
 420         if (shooter_ptr->xtra_might) tmul++;
 421
 422         tmul = tmul * (100 + (int)(adj_str_td[shooter_ptr->stat_ind[A_STR]]) - 128);
 423
 424         /* Boost the damage */
 425         tdam_base *= tmul;
 426         tdam_base /= 100;
 427
 428         /* Base range */
 429         tdis = 13 + tmul / 80;
 430         if ((j_ptr->sval == SV_LIGHT_XBOW) || (j_ptr->sval == SV_HEAVY_XBOW))
 431         {
 432                 if (shooter_ptr->concent)
 433                         tdis -= (5 - (shooter_ptr->concent + 1) / 2);
 434                 else
 435                         tdis -= 5;
 436         }
 437
 438         project_length = tdis + 1;
 439
 440         /* Get a direction (or cancel) */
 441         if (!get_aim_dir(&dir))
 442         {
 443                 free_turn(shooter_ptr);
 444
 445                 if (snipe_type == SP_AWAY) snipe_type = SP_NONE;
 446
 447                 /* need not to reset project_length (already did)*/
 448
 449                 return;
 450         }
 451
 452         /* Predict the "target" location */
 453         tx = shooter_ptr->x + 99 * ddx[dir];
 454         ty = shooter_ptr->y + 99 * ddy[dir];
 455
 456         /* Check for "target request" */
 457         if ((dir == 5) && target_okay())
 458         {
 459                 tx = target_col;
 460                 ty = target_row;
 461         }
 462
 463         /* Get projection path length */
 464         tdis = project_path(path_g, project_length, shooter_ptr->y, shooter_ptr->x, ty, tx, PROJECT_PATH | PROJECT_THRU) - 1;
 465
 466         project_length = 0; /* reset to default */
 467
 468         /* Don't shoot at my feet */
 469         if (tx == shooter_ptr->x && ty == shooter_ptr->y)
 470         {
 471                 free_turn(shooter_ptr);
 472
 473                 /* project_length is already reset to 0 */
 474
 475                 return;
 476         }
 477
 478
 479         /* Take a (partial) turn */
 480         shooter_ptr->energy_use = (shooter_ptr->energy_use / thits);
 481         shooter_ptr->is_fired = TRUE;
 482
 483         /* Sniper - Difficult to shot twice at 1 turn */
 484         if (snipe_type == SP_DOUBLE)  shooter_ptr->concent = (shooter_ptr->concent + 1) / 2;
 485
 486         /* Sniper - Repeat shooting when double shots */
 487         for (i = 0; i < ((snipe_type == SP_DOUBLE) ? 2 : 1); i++)
 488         {
 489
 490                 /* Start at the player */
 491                 y = shooter_ptr->y;
 492                 x = shooter_ptr->x;
 493                 q_ptr = &forge;
 494                 object_copy(q_ptr, o_ptr);
 495
 496                 /* Single object */
 497                 q_ptr->number = 1;
 498
 499                 /* Reduce and describe shooter_ptr->inventory_list */
 500                 if (item >= 0)
 501                 {
 502                         inven_item_increase(item, -1);
 503                         inven_item_describe(item);
 504                         inven_item_optimize(item);
 505                 }
 506
 507                 /* Reduce and describe floor item */
 508                 else
 509                 {
 510                         floor_item_increase(0 - item, -1);
 511                         floor_item_optimize(0 - item);
 512                 }
 513
 514                 sound(SOUND_SHOOT);
 515                 handle_stuff();
 516
 517                 prev_y = y;
 518                 prev_x = x;
 519
 520                 /* The shot does not hit yet */
 521                 hit_body = FALSE;
 522
 523                 /* Travel until stopped */
 524                 for (cur_dis = 0; cur_dis <= tdis; )
 525                 {
 526                         grid_type *g_ptr;
 527
 528                         /* Hack -- Stop at the target */
 529                         if ((y == ty) && (x == tx)) break;
 530
 531                         /* Calculate the new location (see "project()") */
 532                         ny = y;
 533                         nx = x;
 534                         mmove2(&ny, &nx, shooter_ptr->y, shooter_ptr->x, ty, tx);
 535
 536                         /* Shatter Arrow */
 537                         if (snipe_type == SP_KILL_WALL)
 538                         {
 539                                 g_ptr = &shooter_ptr->current_floor_ptr->grid_array[ny][nx];
 540
 541                                 if (cave_have_flag_grid(g_ptr, FF_HURT_ROCK) && !g_ptr->m_idx)
 542                                 {
 543                                         if (g_ptr->info & (CAVE_MARK)) msg_print(_("岩が砕け散った。", "Wall rocks were shattered."));
 544                                         /* Forget the wall */
 545                                         g_ptr->info &= ~(CAVE_MARK);
 546                                         shooter_ptr->update |= (PU_VIEW | PU_LITE | PU_FLOW | PU_MON_LITE);
 547
 548                                         /* Destroy the wall */
 549                                         cave_alter_feat(ny, nx, FF_HURT_ROCK);
 550
 551                                         hit_body = TRUE;
 552                                         break;
 553                                 }
 554                         }
 555
 556                         /* Stopped by walls/doors */
 557                         if (!cave_have_flag_bold(ny, nx, FF_PROJECT) && !shooter_ptr->current_floor_ptr->grid_array[ny][nx].m_idx) break;
 558
 559                         /* Advance the distance */
 560                         cur_dis++;
 561
 562                         /* Sniper */
 563                         if (snipe_type == SP_LITE)
 564                         {
 565                                 shooter_ptr->current_floor_ptr->grid_array[ny][nx].info |= (CAVE_GLOW);
 566                                 note_spot(ny, nx);
 567                                 lite_spot(ny, nx);
 568                         }
 569
 570                         /* The player can see the (on screen) missile */
 571                         if (panel_contains(ny, nx) && player_can_see_bold(ny, nx))
 572                         {
 573                                 char c = object_char(q_ptr);
 574                                 byte a = object_attr(q_ptr);
 575
 576                                 /* Draw, Hilite, Fresh, Pause, Erase */
 577                                 print_rel(c, a, ny, nx);
 578                                 move_cursor_relative(ny, nx);
 579                                 Term_fresh();
 580                                 Term_xtra(TERM_XTRA_DELAY, msec);
 581                                 lite_spot(ny, nx);
 582                                 Term_fresh();
 583                         }
 584
 585                         /* The player cannot see the missile */
 586                         else
 587                         {
 588                                 /* Pause anyway, for consistancy */
 589                                 Term_xtra(TERM_XTRA_DELAY, msec);
 590                         }
 591
 592                         /* Sniper */
 593                         if (snipe_type == SP_KILL_TRAP)
 594                         {
 595                                 project(0, 0, ny, nx, 0, GF_KILL_TRAP,
 596                                         (PROJECT_JUMP | PROJECT_HIDE | PROJECT_GRID | PROJECT_ITEM), -1);
 597                         }
 598
 599                         /* Sniper */
 600                         if (snipe_type == SP_EVILNESS)
 601                         {
 602                                 shooter_ptr->current_floor_ptr->grid_array[ny][nx].info &= ~(CAVE_GLOW | CAVE_MARK);
 603                                 note_spot(ny, nx);
 604                                 lite_spot(ny, nx);
 605                         }
 606
 607                         prev_y = y;
 608                         prev_x = x;
 609
 610                         /* Save the new location */
 611                         x = nx;
 612                         y = ny;
 613
 614                         /* Monster here, Try to hit it */
 615                         if (shooter_ptr->current_floor_ptr->grid_array[y][x].m_idx)
 616                         {
 617                                 grid_type *c_mon_ptr = &shooter_ptr->current_floor_ptr->grid_array[y][x];
 618
 619                                 monster_type *m_ptr = &shooter_ptr->current_floor_ptr->m_list[c_mon_ptr->m_idx];
 620                                 monster_race *r_ptr = &r_info[m_ptr->r_idx];
 621
 622                                 /* Check the visibility */
 623                                 visible = m_ptr->ml;
 624
 625                                 /* Note the collision */
 626                                 hit_body = TRUE;
 627
 628                                 if (MON_CSLEEP(m_ptr))
 629                                 {
 630                                         if (!(r_ptr->flags3 & RF3_EVIL) || one_in_(5)) chg_virtue(shooter_ptr, V_COMPASSION, -1);
 631                                         if (!(r_ptr->flags3 & RF3_EVIL) || one_in_(5)) chg_virtue(shooter_ptr, V_HONOUR, -1);
 632                                 }
 633
 634                                 if ((r_ptr->level + 10) > shooter_ptr->lev)
 635                                 {
 636                                         int now_exp = shooter_ptr->weapon_exp[0][j_ptr->sval];
 637                                         if (now_exp < s_info[shooter_ptr->pclass].w_max[0][j_ptr->sval])
 638                                         {
 639                                                 SUB_EXP amount = 0;
 640                                                 if (now_exp < WEAPON_EXP_BEGINNER) amount = 80;
 641                                                 else if (now_exp < WEAPON_EXP_SKILLED) amount = 25;
 642                                                 else if ((now_exp < WEAPON_EXP_EXPERT) && (shooter_ptr->lev > 19)) amount = 10;
 643                                                 else if (shooter_ptr->lev > 34) amount = 2;
 644                                                 shooter_ptr->weapon_exp[0][j_ptr->sval] += amount;
 645                                                 shooter_ptr->update |= (PU_BONUS);
 646                                         }
 647                                 }
 648
 649                                 if (shooter_ptr->riding)
 650                                 {
 651                                         if ((shooter_ptr->skill_exp[GINOU_RIDING] < s_info[shooter_ptr->pclass].s_max[GINOU_RIDING])
 652                                                 && ((shooter_ptr->skill_exp[GINOU_RIDING] - (RIDING_EXP_BEGINNER * 2)) / 200 < r_info[shooter_ptr->current_floor_ptr->m_list[shooter_ptr->riding].r_idx].level)
 653                                                 && one_in_(2))
 654                                         {
 655                                                 shooter_ptr->skill_exp[GINOU_RIDING] += 1;
 656                                                 shooter_ptr->update |= (PU_BONUS);
 657                                         }
 658                                 }
 659
 660                                 /* Did we hit it (penalize range) */
 661                                 if (test_hit_fire(shooter_ptr, chance - cur_dis, m_ptr, m_ptr->ml, o_name))
 662                                 {
 663                                         bool fear = FALSE;
 664                                         int tdam = tdam_base;
 665
 666                                         /* Get extra damage from concentration */
 667                                         if (shooter_ptr->concent) tdam = boost_concentration_damage(shooter_ptr, tdam);
 668
 669                                         /* Handle unseen monster */
 670                                         if (!visible)
 671                                         {
 672                                                 /* Invisible monster */
 673                                                 msg_format(_("%sが敵を捕捉した。", "The %s finds a mark."), o_name);
 674                                         }
 675
 676                                         /* Handle visible monster */
 677                                         else
 678                                         {
 679                                                 GAME_TEXT m_name[MAX_NLEN];
 680
 681                                                 /* Get "the monster" or "it" */
 682                                                 monster_desc(m_name, m_ptr, 0);
 683
 684                                                 msg_format(_("%sが%sに命中した。", "The %s hits %s."), o_name, m_name);
 685
 686                                                 if (m_ptr->ml)
 687                                                 {
 688                                                         if (!shooter_ptr->image) monster_race_track(m_ptr->ap_r_idx);
 689                                                         health_track(c_mon_ptr->m_idx);
 690                                                 }
 691                                         }
 692
 693                                         if (snipe_type == SP_NEEDLE)
 694                                         {
 695                                                 if ((randint1(randint1(r_ptr->level / (3 + shooter_ptr->concent)) + (8 - shooter_ptr->concent)) == 1)
 696                                                         && !(r_ptr->flags1 & RF1_UNIQUE) && !(r_ptr->flags7 & RF7_UNIQUE2))
 697                                                 {
 698                                                         GAME_TEXT m_name[MAX_NLEN];
 699
 700                                                         /* Get "the monster" or "it" */
 701                                                         monster_desc(m_name, m_ptr, 0);
 702
 703                                                         tdam = m_ptr->hp + 1;
 704                                                         msg_format(_("%sの急所に突き刺さった！", "Your shot sticked on a fatal spot of %s!"), m_name);
 705                                                 }
 706                                                 else tdam = 1;
 707                                         }
 708                                         else
 709                                         {
 710                                                 /* Apply special damage */
 711                                                 tdam = tot_dam_aux_shot(shooter_ptr, q_ptr, tdam, m_ptr, snipe_type);
 712                                                 tdam = critical_shot(shooter_ptr, q_ptr->weight, q_ptr->to_h, j_ptr->to_h, tdam);
 713
 714                                                 /* No negative damage */
 715                                                 if (tdam < 0) tdam = 0;
 716
 717                                                 /* Modify the damage */
 718                                                 tdam = mon_damage_mod(m_ptr, tdam, FALSE);
 719                                         }
 720
 721                                         msg_format_wizard(CHEAT_MONSTER,
 722                                                 _("%dのダメージを与えた。(残りHP %d/%d(%d))", "You do %d damage. (left HP %d/%d(%d))"),
 723                                                 tdam, m_ptr->hp - tdam, m_ptr->maxhp, m_ptr->max_maxhp);
 724
 725                                         /* Sniper */
 726                                         if (snipe_type == SP_EXPLODE)
 727                                         {
 728                                                 u16b flg = (PROJECT_STOP | PROJECT_JUMP | PROJECT_KILL | PROJECT_GRID);
 729
 730                                                 sound(SOUND_EXPLODE); /* No explode sound - use breath fire instead */
 731                                                 project(0, ((shooter_ptr->concent + 1) / 2 + 1), ny, nx, tdam, GF_MISSILE, flg, -1);
 732                                                 break;
 733                                         }
 734
 735                                         /* Sniper */
 736                                         if (snipe_type == SP_HOLYNESS)
 737                                         {
 738                                                 shooter_ptr->current_floor_ptr->grid_array[ny][nx].info |= (CAVE_GLOW);
 739                                                 note_spot(ny, nx);
 740                                                 lite_spot(ny, nx);
 741                                         }
 742
 743                                         /* Hit the monster, check for death */
 744                                         if (mon_take_hit(c_mon_ptr->m_idx, tdam, &fear, extract_note_dies(real_r_idx(m_ptr))))
 745                                         {
 746                                                 /* Dead monster */
 747                                         }
 748
 749                                         /* No death */
 750                                         else
 751                                         {
 752                                                 /* STICK TO */
 753                                                 if (object_is_fixed_artifact(q_ptr) &&
 754                                                         (shooter_ptr->pclass != CLASS_SNIPER || shooter_ptr->concent == 0))
 755                                                 {
 756                                                         GAME_TEXT m_name[MAX_NLEN];
 757
 758                                                         monster_desc(m_name, m_ptr, 0);
 759
 760                                                         stick_to = TRUE;
 761                                                         msg_format(_("%sは%sに突き刺さった！", "%^s have stuck into %s!"), o_name, m_name);
 762                                                 }
 763
 764                                                 message_pain(c_mon_ptr->m_idx, tdam);
 765
 766                                                 /* Anger the monster */
 767                                                 if (tdam > 0) anger_monster(m_ptr);
 768
 769                                                 if (fear && m_ptr->ml)
 770                                                 {
 771                                                         GAME_TEXT m_name[MAX_NLEN];
 772                                                         sound(SOUND_FLEE);
 773                                                         monster_desc(m_name, m_ptr, 0);
 774                                                         msg_format(_("%^sは恐怖して逃げ出した！", "%^s flees in terror!"), m_name);
 775                                                 }
 776
 777                                                 set_target(m_ptr, shooter_ptr->y, shooter_ptr->x);
 778
 779                                                 /* Sniper */
 780                                                 if (snipe_type == SP_RUSH)
 781                                                 {
 782                                                         int n = randint1(5) + 3;
 783                                                         MONSTER_IDX m_idx = c_mon_ptr->m_idx;
 784
 785                                                         for (; cur_dis <= tdis; )
 786                                                         {
 787                                                                 POSITION ox = nx;
 788                                                                 POSITION oy = ny;
 789
 790                                                                 if (!n) break;
 791
 792                                                                 /* Calculate the new location (see "project()") */
 793                                                                 mmove2(&ny, &nx, shooter_ptr->y, shooter_ptr->x, ty, tx);
 794
 795                                                                 /* Stopped by wilderness boundary */
 796                                                                 if (!in_bounds2(shooter_ptr->current_floor_ptr, ny, nx)) break;
 797
 798                                                                 /* Stopped by walls/doors */
 799                                                                 if (!player_can_enter(shooter_ptr->current_floor_ptr->grid_array[ny][nx].feat, 0)) break;
 800
 801                                                                 /* Stopped by monsters */
 802                                                                 if (!cave_empty_bold(p_ptr->current_floor_ptr, ny, nx)) break;
 803
 804                                                                 shooter_ptr->current_floor_ptr->grid_array[ny][nx].m_idx = m_idx;
 805                                                                 shooter_ptr->current_floor_ptr->grid_array[oy][ox].m_idx = 0;
 806
 807                                                                 m_ptr->fx = nx;
 808                                                                 m_ptr->fy = ny;
 809
 810                                                                 update_monster(c_mon_ptr->m_idx, TRUE);
 811
 812                                                                 lite_spot(ny, nx);
 813                                                                 lite_spot(oy, ox);
 814
 815                                                                 Term_fresh();
 816                                                                 Term_xtra(TERM_XTRA_DELAY, msec);
 817
 818                                                                 x = nx;
 819                                                                 y = ny;
 820                                                                 cur_dis++;
 821                                                                 n--;
 822                                                         }
 823                                                 }
 824                                         }
 825                                 }
 826
 827                                 /* Sniper */
 828                                 if (snipe_type == SP_PIERCE)
 829                                 {
 830                                         if (shooter_ptr->concent < 1) break;
 831                                         shooter_ptr->concent--;
 832                                         continue;
 833                                 }
 834
 835                                 /* Stop looking */
 836                                 break;
 837                         }
 838                 }
 839
 840                 /* Chance of breakage (during attacks) */
 841                 j = (hit_body ? breakage_chance(q_ptr, shooter_ptr->pclass == CLASS_ARCHER, snipe_type) : 0);
 842
 843                 if (stick_to)
 844                 {
 845                         MONSTER_IDX m_idx = shooter_ptr->current_floor_ptr->grid_array[y][x].m_idx;
 846                         monster_type *m_ptr = &shooter_ptr->current_floor_ptr->m_list[m_idx];
 847                         OBJECT_IDX o_idx = o_pop();
 848
 849                         if (!o_idx)
 850                         {
 851                                 msg_format(_("%sはどこかへ行った。", "The %s have gone to somewhere."), o_name);
 852                                 if (object_is_fixed_artifact(q_ptr))
 853                                 {
 854                                         a_info[j_ptr->name1].cur_num = 0;
 855                                 }
 856                                 return;
 857                         }
 858
 859                         o_ptr = &shooter_ptr->current_floor_ptr->o_list[o_idx];
 860                         object_copy(o_ptr, q_ptr);
 861
 862                         /* Forget mark */
 863                         o_ptr->marked &= OM_TOUCHED;
 864
 865                         /* Forget location */
 866                         o_ptr->iy = o_ptr->ix = 0;
 867
 868                         /* Memorize monster */
 869                         o_ptr->held_m_idx = m_idx;
 870
 871                         /* Build a stack */
 872                         o_ptr->next_o_idx = m_ptr->hold_o_idx;
 873
 874                         /* Carry object */
 875                         m_ptr->hold_o_idx = o_idx;
 876                 }
 877                 else if (cave_have_flag_bold(y, x, FF_PROJECT))
 878                 {
 879                         /* Drop (or break) near that location */
 880                         (void)drop_near(q_ptr, j, y, x);
 881                 }
 882                 else
 883                 {
 884                         /* Drop (or break) near that location */
 885                         (void)drop_near(q_ptr, j, prev_y, prev_x);
 886                 }
 887
 888                 /* Sniper - Repeat shooting when double shots */
 889         }
 890
 891         /* Sniper - Loose his/her concentration after any shot */
 892         if (shooter_ptr->concent) reset_concentration(shooter_ptr, FALSE);
 893 }
 894
 895
 896 /*!
 897 * @brief プレイヤーからモンスターへの射撃命中判定 /
 898 * Determine if the player "hits" a monster (normal combat).
 899 * @param chance 基本命中値
 900 * @param m_ptr モンスターの構造体参照ポインタ
 901 * @param vis 目標を視界に捕らえているならばTRUEを指定
 902 * @param o_name メッセージ表示時のモンスター名
 903 * @return 命中と判定された場合TRUEを返す
 904 * @note Always miss 5%, always hit 5%, otherwise random.
 905 */
 906 bool test_hit_fire(player_type *shooter_ptr, int chance, monster_type *m_ptr, int vis, char* o_name)
 907 {
 908         int k;
 909         ARMOUR_CLASS ac;
 910         monster_race *r_ptr = &r_info[m_ptr->r_idx];
 911
 912         /* Percentile dice */
 913         k = randint1(100);
 914
 915         /* Snipers with high-concentration reduce instant miss percentage.*/
 916         k += shooter_ptr->concent;
 917
 918         /* Hack -- Instant miss or hit */
 919         if (k <= 5) return (FALSE);
 920         if (k > 95) return (TRUE);
 921
 922         if (shooter_ptr->pseikaku == SEIKAKU_NAMAKE)
 923                 if (one_in_(20)) return (FALSE);
 924
 925         /* Never hit */
 926         if (chance <= 0) return (FALSE);
 927
 928         ac = r_ptr->ac;
 929         if (shooter_ptr->concent)
 930         {
 931                 ac *= (8 - shooter_ptr->concent);
 932                 ac /= 8;
 933         }
 934
 935         if (m_ptr->r_idx == MON_GOEMON && !MON_CSLEEP(m_ptr)) ac *= 3;
 936
 937         /* Invisible monsters are harder to hit */
 938         if (!vis) chance = (chance + 1) / 2;
 939
 940         /* Power competes against armor */
 941         if (randint0(chance) < (ac * 3 / 4))
 942         {
 943                 if (m_ptr->r_idx == MON_GOEMON && !MON_CSLEEP(m_ptr))
 944                 {
 945                         GAME_TEXT m_name[MAX_NLEN];
 946                         monster_desc(m_name, m_ptr, 0);
 947                         msg_format(_("%sは%sを斬り捨てた！", "%s cuts down %s!"), m_name, o_name);
 948                 }
 949                 return (FALSE);
 950         }
 951
 952         /* Assume hit */
 953         return (TRUE);
 954 }
 955
 956
 957
 958
 959 /*!
 960 * @brief プレイヤーからモンスターへの射撃クリティカル判定 /
 961 * Critical hits (from objects thrown by player) Factor in item weight, total plusses, and player level.
 962 * @param weight 矢弾の重量
 963 * @param plus_ammo 矢弾の命中修正
 964 * @param plus_bow 弓の命中修正
 965 * @param dam 現在算出中のダメージ値
 966 * @return クリティカル修正が入ったダメージ値
 967 */
 968 HIT_POINT critical_shot(player_type *shooter_ptr, WEIGHT weight, int plus_ammo, int plus_bow, HIT_POINT dam)
 969 {
 970         int i, k;
 971         object_type *j_ptr = &shooter_ptr->inventory_list[INVEN_BOW];
 972
 973         /* Extract "shot" power */
 974         i = shooter_ptr->to_h_b + plus_ammo;
 975
 976         if (shooter_ptr->tval_ammo == TV_BOLT)
 977                 i = (shooter_ptr->skill_thb + (shooter_ptr->weapon_exp[0][j_ptr->sval] / 400 + i) * BTH_PLUS_ADJ);
 978         else
 979                 i = (shooter_ptr->skill_thb + ((shooter_ptr->weapon_exp[0][j_ptr->sval] - (WEAPON_EXP_MASTER / 2)) / 200 + i) * BTH_PLUS_ADJ);
 980
 981
 982         /* Snipers can shot more critically with crossbows */
 983         if (shooter_ptr->concent) i += ((i * shooter_ptr->concent) / 5);
 984         if ((shooter_ptr->pclass == CLASS_SNIPER) && (shooter_ptr->tval_ammo == TV_BOLT)) i *= 2;
 985
 986         /* Good bow makes more critical */
 987         i += plus_bow * 8 * (shooter_ptr->concent ? shooter_ptr->concent + 5 : 5);
 988
 989         /* Critical hit */
 990         if (randint1(10000) <= i)
 991         {
 992                 k = weight * randint1(500);
 993
 994                 if (k < 900)
 995                 {
 996                         msg_print(_("手ごたえがあった！", "It was a good hit!"));
 997                         dam += (dam / 2);
 998                 }
 999                 else if (k < 1350)
1000                 {
1001                         msg_print(_("かなりの手ごたえがあった！", "It was a great hit!"));
1002                         dam *= 2;
1003                 }
1004                 else
1005                 {
1006                         msg_print(_("会心の一撃だ！", "It was a superb hit!"));
1007                         dam *= 3;
1008                 }
1009         }
1010
1011         return (dam);
1012 }
1013
1014
1015
1016
1017 /*!
1018  * @brief 射撃武器の攻撃に必要な基本消費エネルギーを返す/Return bow energy
1019  * @param sval 射撃武器のアイテム副分類ID
1020  * @return 消費する基本エネルギー
1021  */
1022 ENERGY bow_energy(OBJECT_SUBTYPE_VALUE sval)
1023 {
1024         ENERGY energy = 10000;
1025
1026         /* Analyze the launcher */
1027         switch (sval)
1028         {
1029                 /* Sling and ammo */
1030         case SV_SLING:
1031         {
1032                 energy = 8000;
1033                 break;
1034         }
1035
1036         /* Short Bow and Arrow */
1037         case SV_SHORT_BOW:
1038         {
1039                 energy = 10000;
1040                 break;
1041         }
1042
1043         /* Long Bow and Arrow */
1044         case SV_LONG_BOW:
1045         {
1046                 energy = 10000;
1047                 break;
1048         }
1049
1050         /* Bow of irresponsiblity and Arrow */
1051         case SV_NAMAKE_BOW:
1052         {
1053                 energy = 7777;
1054                 break;
1055         }
1056
1057         /* Light Crossbow and Bolt */
1058         case SV_LIGHT_XBOW:
1059         {
1060                 energy = 12000;
1061                 break;
1062         }
1063
1064         /* Heavy Crossbow and Bolt */
1065         case SV_HEAVY_XBOW:
1066         {
1067                 energy = 13333;
1068                 break;
1069         }
1070         }
1071
1072         return (energy);
1073 }
1074
1075
1076 /*
1077  * Return bow tmul
1078  */
1079 int bow_tmul(OBJECT_SUBTYPE_VALUE sval)
1080 {
1081         int tmul = 0;
1082
1083         /* Analyze the launcher */
1084         switch (sval)
1085         {
1086                 /* Sling and ammo */
1087         case SV_SLING:
1088         {
1089                 tmul = 2;
1090                 break;
1091         }
1092
1093         /* Short Bow and Arrow */
1094         case SV_SHORT_BOW:
1095         {
1096                 tmul = 2;
1097                 break;
1098         }
1099
1100         /* Long Bow and Arrow */
1101         case SV_LONG_BOW:
1102         {
1103                 tmul = 3;
1104                 break;
1105         }
1106
1107         /* Bow of irresponsiblity and Arrow */
1108         case SV_NAMAKE_BOW:
1109         {
1110                 tmul = 3;
1111                 break;
1112         }
1113
1114         /* Light Crossbow and Bolt */
1115         case SV_LIGHT_XBOW:
1116         {
1117                 tmul = 3;
1118                 break;
1119         }
1120
1121         /* Heavy Crossbow and Bolt */
1122         case SV_HEAVY_XBOW:
1123         {
1124                 tmul = 4;
1125                 break;
1126         }
1127         }
1128
1129         return (tmul);
1130 }
1131
1132
1133 /*!
1134  * @brief 射撃時クリティカルによるダメージ期待値修正計算（スナイパーの集中処理と武器経験値） / critical happens at i / 10000
1135  * @param shooter_ptr 射撃を行うクリーチャー参照ポインタ
1136  * @param plus_ammo 矢弾のダメージ修正
1137  * @param plus_bow 弓のダメージ修正
1138  * @return ダメージ期待値
1139  * @note 基本ダメージ量と重量はこの部位では計算に加わらない。
1140  */
1141 HIT_POINT calc_crit_ratio_shot(player_type* shooter_ptr, HIT_POINT plus_ammo, HIT_POINT plus_bow)
1142 {
1143         HIT_POINT i;
1144         object_type *j_ptr = &shooter_ptr->inventory_list[INVEN_BOW];
1145
1146         /* Extract "shot" power */
1147         i = shooter_ptr->to_h_b + plus_ammo;
1148
1149         if (shooter_ptr->tval_ammo == TV_BOLT)
1150                 i = (shooter_ptr->skill_thb + (shooter_ptr->weapon_exp[0][j_ptr->sval] / 400 + i) * BTH_PLUS_ADJ);
1151         else
1152                 i = (shooter_ptr->skill_thb + ((shooter_ptr->weapon_exp[0][j_ptr->sval] - (WEAPON_EXP_MASTER / 2)) / 200 + i) * BTH_PLUS_ADJ);
1153
1154         /* Snipers can shot more critically with crossbows */
1155         if (shooter_ptr->concent) i += ((i * shooter_ptr->concent) / 5);
1156         if ((shooter_ptr->pclass == CLASS_SNIPER) && (shooter_ptr->tval_ammo == TV_BOLT)) i *= 2;
1157
1158         /* Good bow makes more critical */
1159         i += plus_bow * 8 * (shooter_ptr->concent ? shooter_ptr->concent + 5 : 5);
1160
1161         if (i < 0) i = 0;
1162
1163         return i;
1164 }
1165
1166 /*!
1167  * @brief 射撃時クリティカルによるダメージ期待値修正計算（重量依存部分） / critical happens at i / 10000
1168  * @param weight 武器の重量
1169  * @param plus_ammo 矢弾のダメージ修正
1170  * @param plus_bow 弓のダメージ修正
1171  * @param dam 基本ダメージ量
1172  * @return ダメージ期待値
1173  */
1174 HIT_POINT calc_expect_crit_shot(player_type *shooter_ptr, WEIGHT weight, int plus_ammo, int plus_bow, HIT_POINT dam)
1175 {
1176         u32b num;
1177         int i, k, crit;
1178         i = calc_crit_ratio_shot(shooter_ptr, plus_ammo, plus_bow);
1179
1180         k = 0;
1181         num = 0;
1182
1183         crit = MIN(500, 900 / weight);
1184         num += dam * 3 / 2 * crit;
1185         k = crit;
1186
1187         crit = MIN(500, 1350 / weight);
1188         crit -= k;
1189         num += dam * 2 * crit;
1190         k += crit;
1191
1192         if (k < 500)
1193         {
1194                 crit = 500 - k;
1195                 num += dam * 3 * crit;
1196         }
1197
1198         num /= 500;
1199
1200         num *= i;
1201         num += (10000 - i) * dam;
1202         num /= 10000;
1203
1204         return num;
1205 }
1206
1207 /*!
1208  * @brief 攻撃時クリティカルによるダメージ期待値修正計算（重量と毒針処理） / critical happens at i / 10000
1209  * @param weight 武器の重量
1210  * @param plus 武器のダメージ修正
1211  * @param dam 基本ダメージ
1212  * @param meichuu 命中値
1213  * @param dokubari 毒針処理か否か
1214  * @return ダメージ期待値
1215  */
1216 HIT_POINT calc_expect_crit(WEIGHT weight, int plus, HIT_POINT dam, s16b meichuu, bool dokubari)
1217 {
1218         u32b k, num;
1219         int i;
1220
1221         if (dokubari) return dam;
1222
1223         i = (weight + (meichuu * 3 + plus * 5) + p_ptr->skill_thn);
1224         if (i < 0) i = 0;
1225
1226         k = weight;
1227         num = 0;
1228
1229         if (k < 400)                                            num += (2 * dam + 5) * (400 - k);
1230         if (k < 700)                                            num += (2 * dam + 10) * (MIN(700, k + 650) - MAX(400, k));
1231         if (k > (700 - 650) && k < 900)         num += (3 * dam + 15) * (MIN(900, k + 650) - MAX(700, k));
1232         if (k > (900 - 650) && k < 1300)                num += (3 * dam + 20) * (MIN(1300, k + 650) - MAX(900, k));
1233         if (k > (1300 - 650))                                   num += (7 * dam / 2 + 25) * MIN(650, k - (1300 - 650));
1234
1235         num /= 650;
1236         if (p_ptr->pclass == CLASS_NINJA)
1237         {
1238                 num *= i;
1239                 num += (4444 - i) * dam;
1240                 num /= 4444;
1241         }
1242         else
1243         {
1244                 num *= i;
1245                 num += (5000 - i) * dam;
1246                 num /= 5000;
1247         }
1248
1249         return num;
1250 }
1251