src/effect/effect-item.c

   1 #include "effect/effect-item.h"
   2 #include "autopick/autopick.h"
   3 #include "floor/floor-object.h"
   4 #include "monster-floor/monster-generator.h"
   5 #include "monster/monster-info.h"
   6 #include "monster-floor/place-monster-types.h"
   7 #include "object-enchant/tr-types.h"
   8 #include "object/object-broken.h"
   9 #include "object/object-flags.h"
  10 #include "object/object-flavor.h"
  11 #include "object/object-hook.h"
  12 #include "object/object-mark-types.h"
  13 #include "perception/object-perception.h"
  14 #include "spell/spells-type.h"
  15 #include "spell/spells3.h"
  16 #include "sv-definition/sv-other-types.h"
  17 #include "sv-definition/sv-scroll-types.h"
  18
  19 /*!
  20  * @brief 汎用的なビーム/ボルト/ボール系によるアイテムオブジェクトへの効果処理 / Handle a beam/bolt/ball causing damage to a monster.
  21  * @param caster_ptr プレーヤーへの参照ポインタ
  22  * @param who 魔法を発動したモンスター(0ならばプレイヤー) / Index of "source" monster (zero for "player")
  23  * @param r 効果半径(ビーム/ボルト = 0 / ボール = 1以上) / Radius of explosion (0 = beam/bolt, 1 to 9 = ball)
  24  * @param y 目標Y座標 / Target y location (or location to travel "towards")
  25  * @param x 目標X座標 / Target x location (or location to travel "towards")
  26  * @param dam 基本威力 / Base damage roll to apply to affected monsters (or player)
  27  * @param typ 効果属性 / Type of damage to apply to monsters (and objects)
  28  * @return 何か一つでも効力があればTRUEを返す / TRUE if any "effects" of the projection were observed, else FALSE
  29  */
  30 bool affect_item(player_type *caster_ptr, MONSTER_IDX who, POSITION r, POSITION y, POSITION x, HIT_POINT dam, EFFECT_ID typ)
  31 {
  32         grid_type *g_ptr = &caster_ptr->current_floor_ptr->grid_array[y][x];
  33
  34         bool is_item_affected = FALSE;
  35         bool known = player_has_los_bold(caster_ptr, y, x);
  36         who = who ? who : 0;
  37         dam = (dam + r) / (r + 1);
  38         OBJECT_IDX next_o_idx = 0;
  39         for (OBJECT_IDX this_o_idx = g_ptr->o_idx; this_o_idx != 0; this_o_idx = next_o_idx)
  40         {
  41                 object_type *o_ptr = &caster_ptr->current_floor_ptr->o_list[this_o_idx];
  42                 bool ignore = FALSE;
  43                 bool do_kill = FALSE;
  44                 concptr note_kill = NULL;
  45
  46 #ifdef JP
  47 #else
  48                 bool plural = (o_ptr->number > 1);
  49 #endif
  50                 next_o_idx = o_ptr->next_o_idx;
  51                 BIT_FLAGS flags[TR_FLAG_SIZE];
  52                 object_flags(o_ptr, flags);
  53                 bool is_artifact = object_is_artifact(o_ptr);
  54                 switch (typ)
  55                 {
  56                 case GF_ACID:
  57                 {
  58                         if (hates_acid(o_ptr))
  59                         {
  60                                 do_kill = TRUE;
  61                                 note_kill = _("融けてしまった！", (plural ? " melt!" : " melts!"));
  62                                 if (have_flag(flags, TR_IGNORE_ACID)) ignore = TRUE;
  63                         }
  64
  65                         break;
  66                 }
  67                 case GF_ELEC:
  68                 {
  69                         if (hates_elec(o_ptr))
  70                         {
  71                                 do_kill = TRUE;
  72                                 note_kill = _("壊れてしまった！", (plural ? " are destroyed!" : " is destroyed!"));
  73                                 if (have_flag(flags, TR_IGNORE_ELEC)) ignore = TRUE;
  74                         }
  75
  76                         break;
  77                 }
  78                 case GF_FIRE:
  79                 {
  80                         if (hates_fire(o_ptr))
  81                         {
  82                                 do_kill = TRUE;
  83                                 note_kill = _("燃えてしまった！", (plural ? " burn up!" : " burns up!"));
  84                                 if (have_flag(flags, TR_IGNORE_FIRE)) ignore = TRUE;
  85                         }
  86
  87                         break;
  88                 }
  89                 case GF_COLD:
  90                 {
  91                         if (hates_cold(o_ptr))
  92                         {
  93                                 note_kill = _("砕け散ってしまった！", (plural ? " shatter!" : " shatters!"));
  94                                 do_kill = TRUE;
  95                                 if (have_flag(flags, TR_IGNORE_COLD)) ignore = TRUE;
  96                         }
  97
  98                         break;
  99                 }
 100                 case GF_PLASMA:
 101                 {
 102                         if (hates_fire(o_ptr))
 103                         {
 104                                 do_kill = TRUE;
 105                                 note_kill = _("燃えてしまった！", (plural ? " burn up!" : " burns up!"));
 106                                 if (have_flag(flags, TR_IGNORE_FIRE)) ignore = TRUE;
 107                         }
 108
 109                         if (hates_elec(o_ptr))
 110                         {
 111                                 ignore = FALSE;
 112                                 do_kill = TRUE;
 113                                 note_kill = _("壊れてしまった！", (plural ? " are destroyed!" : " is destroyed!"));
 114                                 if (have_flag(flags, TR_IGNORE_ELEC)) ignore = TRUE;
 115                         }
 116
 117                         break;
 118                 }
 119                 case GF_METEOR:
 120                 {
 121                         if (hates_fire(o_ptr))
 122                         {
 123                                 do_kill = TRUE;
 124                                 note_kill = _("燃えてしまった！", (plural ? " burn up!" : " burns up!"));
 125                                 if (have_flag(flags, TR_IGNORE_FIRE)) ignore = TRUE;
 126                         }
 127
 128                         if (hates_cold(o_ptr))
 129                         {
 130                                 ignore = FALSE;
 131                                 do_kill = TRUE;
 132                                 note_kill = _("砕け散ってしまった！", (plural ? " shatter!" : " shatters!"));
 133                                 if (have_flag(flags, TR_IGNORE_COLD)) ignore = TRUE;
 134                         }
 135
 136                         break;
 137                 }
 138                 case GF_ICE:
 139                 case GF_SHARDS:
 140                 case GF_FORCE:
 141                 case GF_SOUND:
 142                 {
 143                         if (hates_cold(o_ptr))
 144                         {
 145                                 note_kill = _("砕け散ってしまった！", (plural ? " shatter!" : " shatters!"));
 146                                 do_kill = TRUE;
 147                         }
 148
 149                         break;
 150                 }
 151                 case GF_MANA:
 152                 case GF_SEEKER:
 153                 case GF_SUPER_RAY:
 154                 {
 155                         do_kill = TRUE;
 156                         note_kill = _("壊れてしまった！", (plural ? " are destroyed!" : " is destroyed!"));
 157                         break;
 158                 }
 159                 case GF_DISINTEGRATE:
 160                 {
 161                         do_kill = TRUE;
 162                         note_kill = _("蒸発してしまった！", (plural ? " evaporate!" : " evaporates!"));
 163                         break;
 164                 }
 165                 case GF_CHAOS:
 166                 {
 167                         do_kill = TRUE;
 168                         note_kill = _("壊れてしまった！", (plural ? " are destroyed!" : " is destroyed!"));
 169                         if (have_flag(flags, TR_RES_CHAOS)) ignore = TRUE;
 170                         else if ((o_ptr->tval == TV_SCROLL) && (o_ptr->sval == SV_SCROLL_CHAOS)) ignore = TRUE;
 171                         break;
 172                 }
 173                 case GF_HOLY_FIRE:
 174                 case GF_HELL_FIRE:
 175                 {
 176                         if (object_is_cursed(o_ptr))
 177                         {
 178                                 do_kill = TRUE;
 179                                 note_kill = _("壊れてしまった！", (plural ? " are destroyed!" : " is destroyed!"));
 180                         }
 181
 182                         break;
 183                 }
 184                 case GF_IDENTIFY:
 185                 {
 186                         identify_item(caster_ptr, o_ptr);
 187                         autopick_alter_item(caster_ptr, (-this_o_idx), FALSE);
 188                         break;
 189                 }
 190                 case GF_KILL_TRAP:
 191                 case GF_KILL_DOOR:
 192                 {
 193                         if (o_ptr->tval != TV_CHEST) break;
 194                         if (o_ptr->pval <= 0) break;
 195
 196                         o_ptr->pval = (0 - o_ptr->pval);
 197                         object_known(o_ptr);
 198                         if (known && (o_ptr->marked & OM_FOUND))
 199                         {
 200                                 msg_print(_("カチッと音がした！", "Click!"));
 201                                 is_item_affected = TRUE;
 202                         }
 203
 204                         break;
 205                 }
 206                 case GF_ANIM_DEAD:
 207                 {
 208                         if (o_ptr->tval != TV_CORPSE) break;
 209
 210                         BIT_FLAGS mode = 0L;
 211                         if (!who || is_pet(&caster_ptr->current_floor_ptr->m_list[who]))
 212                                 mode |= PM_FORCE_PET;
 213
 214                         for (int i = 0; i < o_ptr->number; i++)
 215                         {
 216                                 if (((o_ptr->sval == SV_CORPSE) && (randint1(100) > 80)) ||
 217                                         ((o_ptr->sval == SV_SKELETON) && (randint1(100) > 60)))
 218                                 {
 219                                         if (!note_kill)
 220                                         {
 221                                                 note_kill = _("灰になった。", (plural ? " become dust." : " becomes dust."));
 222                                         }
 223
 224                                         continue;
 225                                 }
 226                                 else if (summon_named_creature(caster_ptr, who, y, x, o_ptr->pval, mode))
 227                                 {
 228                                         note_kill = _("生き返った。", " revived.");
 229                                 }
 230                                 else if (!note_kill)
 231                                 {
 232                                         note_kill = _("灰になった。", (plural ? " become dust." : " becomes dust."));
 233                                 }
 234                         }
 235
 236                         do_kill = TRUE;
 237                         is_item_affected = TRUE;
 238                         break;
 239                 }
 240                 }
 241
 242                 if (!do_kill) continue;
 243
 244                 GAME_TEXT o_name[MAX_NLEN];
 245                 if (known && (o_ptr->marked & OM_FOUND))
 246                 {
 247                         is_item_affected = TRUE;
 248                         object_desc(caster_ptr, o_name, o_ptr, (OD_OMIT_PREFIX | OD_NAME_ONLY));
 249                 }
 250
 251                 if ((is_artifact || ignore))
 252                 {
 253                         if (known && (o_ptr->marked & OM_FOUND))
 254                                 msg_format(_("%sは影響を受けない！", (plural ? "The %s are unaffected!" : "The %s is unaffected!")), o_name);
 255
 256                         continue;
 257                 }
 258
 259                 if (known && (o_ptr->marked & OM_FOUND) && note_kill)
 260                         msg_format(_("%sは%s", "The %s%s"), o_name, note_kill);
 261
 262                 KIND_OBJECT_IDX k_idx = o_ptr->k_idx;
 263                 bool is_potion = object_is_potion(o_ptr);
 264                 delete_object_idx(caster_ptr, this_o_idx);
 265                 if (is_potion)
 266                         (void)potion_smash_effect(caster_ptr, who, y, x, k_idx);
 267
 268                 lite_spot(caster_ptr, y, x);
 269         }
 270
 271         return is_item_affected;
 272 }