src/effect/effect-item.c

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