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階の雰囲気計算で, 判明した薬や上位魔法書などが雰囲気に反映されないと
[hengband/hengband.git] / src / object2.c
index 0146bc2..2a4f121 100644 (file)
@@ -359,7 +359,7 @@ void compact_objects(int size)
                        if (!o_ptr->k_idx) continue;
 
                        /* Hack -- High level objects start out "immune" */
-                       if (get_object_level(o_ptr) > cur_lev) continue;
+                       if (k_info[o_ptr->k_idx].level > cur_lev) continue;
 
                        /* Monster */
                        if (o_ptr->held_m_idx)
@@ -392,7 +392,7 @@ void compact_objects(int size)
                        chance = 90;
 
                        /* Hack -- only compact artifacts in emergencies */
-                       if ((artifact_p(o_ptr) || o_ptr->art_name) &&
+                       if ((object_is_fixed_artifact(o_ptr) || o_ptr->art_name) &&
                            (cnt < 1000)) chance = 100;
 
                        /* Apply the saving throw */
@@ -451,7 +451,7 @@ void wipe_o_list(void)
                if (!character_dungeon || preserve_mode)
                {
                        /* Hack -- Preserve unknown artifacts */
-                       if (artifact_p(o_ptr) && !object_known_p(o_ptr))
+                       if (object_is_fixed_artifact(o_ptr) && !object_is_known(o_ptr))
                        {
                                /* Mega-Hack -- Preserve the artifact */
                                a_info[o_ptr->name1].cur_num = 0;
@@ -561,7 +561,7 @@ s16b o_pop(void)
 /*
  * Apply a "object restriction function" to the "object allocation table"
  */
-errr get_obj_num_prep(void)
+static errr get_obj_num_prep(void)
 {
        int i;
 
@@ -764,15 +764,10 @@ void object_known(object_type *o_ptr)
  */
 void object_aware(object_type *o_ptr)
 {
-       bool mihanmei = !object_aware_p(o_ptr);
+       bool mihanmei = !object_is_aware(o_ptr);
 
-#ifndef SCRIPT_OBJ_KIND
        /* Fully aware of the effects */
        k_info[o_ptr->k_idx].aware = TRUE;
-#else /* SCRIPT_OBJ_KIND */
-       /* Fully aware of the effects */
-       o_ptr->aware = TRUE;
-#endif /* SCRIPT_OBJ_KIND */
 
        if(mihanmei && !(k_info[o_ptr->k_idx].gen_flags & TRG_INSTA_ART) && record_ident &&
           !p_ptr->is_dead && ((o_ptr->tval >= TV_AMULET && o_ptr->tval <= TV_POTION) || (o_ptr->tval == TV_FOOD)))
@@ -785,7 +780,7 @@ void object_aware(object_type *o_ptr)
                object_copy(q_ptr, o_ptr);
 
                q_ptr->number = 1;
-               object_desc(o_name, q_ptr, TRUE, 0);
+               object_desc(o_name, q_ptr, OD_NAME_ONLY);
                
                do_cmd_write_nikki(NIKKI_HANMEI, 0, o_name);
        }
@@ -797,12 +792,8 @@ void object_aware(object_type *o_ptr)
  */
 void object_tried(object_type *o_ptr)
 {
-#ifndef SCRIPT_OBJ_KIND
        /* Mark it as tried (even if "aware") */
        k_info[o_ptr->k_idx].tried = TRUE;
-#else /* SCRIPT_OBJ_KIND */
-       o_ptr->tried = TRUE;
-#endif /* SCRIPT_OBJ_KIND */
 }
 
 
@@ -813,7 +804,7 @@ void object_tried(object_type *o_ptr)
 static s32b object_value_base(object_type *o_ptr)
 {
        /* Aware item -- use template cost */
-       if (object_aware_p(o_ptr)) return (get_object_cost(o_ptr));
+       if (object_is_aware(o_ptr)) return (k_info[o_ptr->k_idx].cost);
 
        /* Analyze the type */
        switch (o_ptr->tval)
@@ -865,63 +856,61 @@ static s32b object_value_base(object_type *o_ptr)
 
 
 /* Return the value of the flags the object has... */
-s32b flag_cost(object_type * o_ptr, int plusses)
+s32b flag_cost(object_type *o_ptr, int plusses)
 {
        s32b total = 0;
        u32b flgs[TR_FLAG_SIZE];
        s32b tmp_cost;
        int count;
        int i;
+       object_kind *k_ptr = &k_info[o_ptr->k_idx];
 
        object_flags(o_ptr, flgs);
 
-       if (o_ptr->name1)
+       /*
+        * Exclude fixed flags of the base item.
+        * pval bonuses of base item will be treated later.
+        */
+       for (i = 0; i < TR_FLAG_SIZE; i++)
+               flgs[i] &= ~(k_ptr->flags[i]);
+
+       /* Exclude fixed flags of the fixed artifact. */
+       if (object_is_fixed_artifact(o_ptr))
        {
                artifact_type *a_ptr = &a_info[o_ptr->name1];
 
                for (i = 0; i < TR_FLAG_SIZE; i++)
                        flgs[i] &= ~(a_ptr->flags[i]);
        }
-       else
-       {
-               if ((o_ptr->tval == TV_RING) || (o_ptr->tval == TV_AMULET))
-               {
-                       object_kind *k_ptr = &k_info[o_ptr->k_idx];
-
-                       for (i = 0; i < TR_FLAG_SIZE; i++)
-                               flgs[i] &= ~(k_ptr->flags[i]);
-               }
-
-               if (o_ptr->name2)
-               {
-                       ego_item_type *e_ptr = &e_info[o_ptr->name2];
 
-                       for (i = 0; i < TR_FLAG_SIZE; i++)
-                               flgs[i] &= ~(e_ptr->flags[i]);
+       /* Exclude fixed flags of the ego-item. */
+       else if (object_is_ego(o_ptr))
+       {
+               ego_item_type *e_ptr = &e_info[o_ptr->name2];
 
-               }
-               else if (o_ptr->art_name)
-               {
-                       total = 5000;
-               }
+               for (i = 0; i < TR_FLAG_SIZE; i++)
+                       flgs[i] &= ~(e_ptr->flags[i]);
        }
 
-       if (have_flag(flgs, TR_STR)) total += (1700 * plusses);
-       if (have_flag(flgs, TR_INT)) total += (1700 * plusses);
-       if (have_flag(flgs, TR_WIS)) total += (1700 * plusses);
-       if (have_flag(flgs, TR_DEX)) total += (1700 * plusses);
-       if (have_flag(flgs, TR_CON)) total += (1700 * plusses);
-       if (have_flag(flgs, TR_CHR)) total += (950 * plusses);
-       if (have_flag(flgs, TR_MAGIC_MASTERY)) total += (700 * plusses);
-       if (have_flag(flgs, TR_STEALTH)) total += (350 * plusses);
-       if (have_flag(flgs, TR_SEARCH)) total += (200 * plusses);
-       if (have_flag(flgs, TR_INFRA)) total += (200 * plusses);
-       if (have_flag(flgs, TR_TUNNEL)) total += (225 * plusses);
+
+       /*
+        * Calucurate values of remaining flags
+        */
+       if (have_flag(flgs, TR_STR)) total += (1500 * plusses);
+       if (have_flag(flgs, TR_INT)) total += (1500 * plusses);
+       if (have_flag(flgs, TR_WIS)) total += (1500 * plusses);
+       if (have_flag(flgs, TR_DEX)) total += (1500 * plusses);
+       if (have_flag(flgs, TR_CON)) total += (1500 * plusses);
+       if (have_flag(flgs, TR_CHR)) total += (750 * plusses);
+       if (have_flag(flgs, TR_MAGIC_MASTERY)) total += (600 * plusses);
+       if (have_flag(flgs, TR_STEALTH)) total += (250 * plusses);
+       if (have_flag(flgs, TR_SEARCH)) total += (100 * plusses);
+       if (have_flag(flgs, TR_INFRA)) total += (150 * plusses);
+       if (have_flag(flgs, TR_TUNNEL)) total += (175 * plusses);
        if ((have_flag(flgs, TR_SPEED)) && (plusses > 0))
-               total += (10000 + (12500 * plusses));
+               total += (10000 + (2500 * plusses));
        if ((have_flag(flgs, TR_BLOWS)) && (plusses > 0))
-               total += (10000 + (7500 * plusses));
-       if (have_flag(flgs, TR_DEC_MANA)) total += 10000;
+               total += (10000 + (2500 * plusses));
 
        tmp_cost = 0;
        count = 0;
@@ -1001,7 +990,7 @@ s32b flag_cost(object_type * o_ptr, int plusses)
        if (have_flag(flgs, TR_TY_CURSE)) total -= 15000;
        if (have_flag(flgs, TR_HIDE_TYPE)) total += 0;
        if (have_flag(flgs, TR_SHOW_MODS)) total += 0;
-       if (have_flag(flgs, TR_FEATHER)) total += 1250;
+       if (have_flag(flgs, TR_LEVITATION)) total += 1250;
        if (have_flag(flgs, TR_LITE)) total += 1250;
        if (have_flag(flgs, TR_SEE_INVIS)) total += 2000;
        if (have_flag(flgs, TR_TELEPATHY)) total += 20000;
@@ -1020,6 +1009,7 @@ s32b flag_cost(object_type * o_ptr, int plusses)
        if (have_flag(flgs, TR_SLOW_DIGEST)) total += 750;
        if (have_flag(flgs, TR_REGEN)) total += 2500;
        if (have_flag(flgs, TR_WARNING)) total += 2000;
+       if (have_flag(flgs, TR_DEC_MANA)) total += 10000;
        if (have_flag(flgs, TR_XTRA_MIGHT)) total += 2250;
        if (have_flag(flgs, TR_XTRA_SHOTS)) total += 10000;
        if (have_flag(flgs, TR_IGNORE_ACID)) total += 100;
@@ -1030,7 +1020,7 @@ s32b flag_cost(object_type * o_ptr, int plusses)
        if (have_flag(flgs, TR_DRAIN_EXP)) total -= 12500;
        if (have_flag(flgs, TR_TELEPORT))
        {
-               if (cursed_p(o_ptr))
+               if (object_is_cursed(o_ptr))
                        total -= 7500;
                else
                        total += 250;
@@ -1157,16 +1147,16 @@ s32b object_value_real(object_type *o_ptr)
 
 
        /* Hack -- "worthless" items */
-       if (!get_object_cost(o_ptr)) return (0L);
+       if (!k_info[o_ptr->k_idx].cost) return (0L);
 
        /* Base cost */
-       value = get_object_cost(o_ptr);
+       value = k_info[o_ptr->k_idx].cost;
 
        /* Extract some flags */
        object_flags(o_ptr, flgs);
 
        /* Artifact */
-       if (o_ptr->name1)
+       if (object_is_fixed_artifact(o_ptr))
        {
                artifact_type *a_ptr = &a_info[o_ptr->name1];
 
@@ -1176,11 +1166,13 @@ s32b object_value_real(object_type *o_ptr)
                /* Hack -- Use the artifact cost instead */
                value = a_ptr->cost;
                value += flag_cost(o_ptr, o_ptr->pval);
+
+               /* Don't add pval bonuses etc. */
                return (value);
        }
 
        /* Ego-Item */
-       else if (o_ptr->name2)
+       else if (object_is_ego(o_ptr))
        {
                ego_item_type *e_ptr = &e_info[o_ptr->name2];
 
@@ -1203,6 +1195,61 @@ s32b object_value_real(object_type *o_ptr)
                if (flag) value += flag_cost(o_ptr, o_ptr->pval);
        }
 
+       /* Analyze pval bonus for normal object */
+       switch (o_ptr->tval)
+       {
+       case TV_SHOT:
+       case TV_ARROW:
+       case TV_BOLT:
+       case TV_BOW:
+       case TV_DIGGING:
+       case TV_HAFTED:
+       case TV_POLEARM:
+       case TV_SWORD:
+       case TV_BOOTS:
+       case TV_GLOVES:
+       case TV_HELM:
+       case TV_CROWN:
+       case TV_SHIELD:
+       case TV_CLOAK:
+       case TV_SOFT_ARMOR:
+       case TV_HARD_ARMOR:
+       case TV_DRAG_ARMOR:
+       case TV_LITE:
+       case TV_AMULET:
+       case TV_RING:
+               /* No pval */
+               if (!o_ptr->pval) break;
+
+               /* Hack -- Negative "pval" is always bad */
+               if (o_ptr->pval < 0) return (0L);
+
+               /* Give credit for stat bonuses */
+               if (have_flag(flgs, TR_STR)) value += (o_ptr->pval * 200L);
+               if (have_flag(flgs, TR_INT)) value += (o_ptr->pval * 200L);
+               if (have_flag(flgs, TR_WIS)) value += (o_ptr->pval * 200L);
+               if (have_flag(flgs, TR_DEX)) value += (o_ptr->pval * 200L);
+               if (have_flag(flgs, TR_CON)) value += (o_ptr->pval * 200L);
+               if (have_flag(flgs, TR_CHR)) value += (o_ptr->pval * 200L);
+
+               /* Give credit for stealth and searching */
+               if (have_flag(flgs, TR_MAGIC_MASTERY)) value += (o_ptr->pval * 100);
+               if (have_flag(flgs, TR_STEALTH)) value += (o_ptr->pval * 100L);
+               if (have_flag(flgs, TR_SEARCH)) value += (o_ptr->pval * 100L);
+
+               /* Give credit for infra-vision and tunneling */
+               if (have_flag(flgs, TR_INFRA)) value += (o_ptr->pval * 50L);
+               if (have_flag(flgs, TR_TUNNEL)) value += (o_ptr->pval * 50L);
+
+               /* Give credit for extra attacks */
+               if (have_flag(flgs, TR_BLOWS)) value += (o_ptr->pval * 5000L);
+
+               /* Give credit for speed bonus */
+               if (have_flag(flgs, TR_SPEED)) value += (o_ptr->pval * 10000L);
+
+               break;
+       }
+
 
        /* Analyze the item */
        switch (o_ptr->tval)
@@ -1355,13 +1402,13 @@ s32b object_value(object_type *o_ptr)
 
 
        /* Unknown items -- acquire a base value */
-       if (object_known_p(o_ptr))
+       if (object_is_known(o_ptr))
        {
                /* Broken items -- worthless */
-               if (broken_p(o_ptr)) return (0L);
+               if (object_is_broken(o_ptr)) return (0L);
 
                /* Cursed items -- worthless */
-               if (cursed_p(o_ptr)) return (0L);
+               if (object_is_cursed(o_ptr)) return (0L);
 
                /* Real value (see above) */
                value = object_value_real(o_ptr);
@@ -1371,10 +1418,10 @@ s32b object_value(object_type *o_ptr)
        else
        {
                /* Hack -- Felt broken items */
-               if ((o_ptr->ident & (IDENT_SENSE)) && broken_p(o_ptr)) return (0L);
+               if ((o_ptr->ident & (IDENT_SENSE)) && object_is_broken(o_ptr)) return (0L);
 
                /* Hack -- Felt cursed items */
-               if ((o_ptr->ident & (IDENT_SENSE)) && cursed_p(o_ptr)) return (0L);
+               if ((o_ptr->ident & (IDENT_SENSE)) && object_is_cursed(o_ptr)) return (0L);
 
                /* Base value (see above) */
                value = object_value_base(o_ptr);
@@ -1396,12 +1443,15 @@ s32b object_value(object_type *o_ptr)
 bool can_player_destroy_object(object_type *o_ptr)
 {
        /* Artifacts cannot be destroyed */
-       if (artifact_p(o_ptr) || o_ptr->art_name)
+       if (!object_is_artifact(o_ptr)) return TRUE;
+
+       /* If object is unidentified, makes fake inscription */
+       if (!object_is_known(o_ptr))
        {
                byte feel = FEEL_SPECIAL;
 
                /* Hack -- Handle icky artifacts */
-               if (cursed_p(o_ptr) || broken_p(o_ptr)) feel = FEEL_TERRIBLE;
+               if (object_is_cursed(o_ptr) || object_is_broken(o_ptr)) feel = FEEL_TERRIBLE;
 
                /* Hack -- inscribe the artifact */
                o_ptr->feeling = feel;
@@ -1419,7 +1469,8 @@ bool can_player_destroy_object(object_type *o_ptr)
                return FALSE;
        }
 
-       return TRUE;
+       /* Identified artifact -- Nothing to do */
+       return FALSE;
 }
 
 
@@ -1505,7 +1556,7 @@ void reduce_charges(object_type *o_ptr, int amt)
  *  Determine if an item can partly absorb a second item.
  *  Return maximum number of stack.
  */
-static int object_similar_part(object_type *o_ptr, object_type *j_ptr)
+int object_similar_part(object_type *o_ptr, object_type *j_ptr)
 {
        int i;
 
@@ -1560,9 +1611,9 @@ static int object_similar_part(object_type *o_ptr, object_type *j_ptr)
                {
                        /* Require either knowledge or known empty for both staffs. */
                        if ((!(o_ptr->ident & (IDENT_EMPTY)) &&
-                               !object_known_p(o_ptr)) ||
+                               !object_is_known(o_ptr)) ||
                                (!(j_ptr->ident & (IDENT_EMPTY)) &&
-                               !object_known_p(j_ptr))) return 0;
+                               !object_is_known(j_ptr))) return 0;
 
                        /* Require identical charges, since staffs are bulky. */
                        if (o_ptr->pval != j_ptr->pval) return 0;
@@ -1576,9 +1627,9 @@ static int object_similar_part(object_type *o_ptr, object_type *j_ptr)
                {
                        /* Require either knowledge or known empty for both wands. */
                        if ((!(o_ptr->ident & (IDENT_EMPTY)) &&
-                               !object_known_p(o_ptr)) ||
+                               !object_is_known(o_ptr)) ||
                                (!(j_ptr->ident & (IDENT_EMPTY)) &&
-                               !object_known_p(j_ptr))) return 0;
+                               !object_is_known(j_ptr))) return 0;
 
                        /* Wand charges combine in O&ZAngband.  */
 
@@ -1611,20 +1662,15 @@ static int object_similar_part(object_type *o_ptr, object_type *j_ptr)
                case TV_SOFT_ARMOR:
                case TV_HARD_ARMOR:
                case TV_DRAG_ARMOR:
-               {
-                       /* Require permission */
-                       if (!stack_allow_items) return 0;
-
-                       /* Fall through */
-               }
 
                /* Rings, Amulets, Lites */
                case TV_RING:
                case TV_AMULET:
                case TV_LITE:
+               case TV_WHISTLE:
                {
                        /* Require full knowledge of both items */
-                       if (!object_known_p(o_ptr) || !object_known_p(j_ptr)) return 0;
+                       if (!object_is_known(o_ptr) || !object_is_known(j_ptr)) return 0;
 
                        /* Fall through */
                }
@@ -1635,7 +1681,8 @@ static int object_similar_part(object_type *o_ptr, object_type *j_ptr)
                case TV_SHOT:
                {
                        /* Require identical knowledge of both items */
-                       if (object_known_p(o_ptr) != object_known_p(j_ptr)) return 0;
+                       if (object_is_known(o_ptr) != object_is_known(j_ptr)) return 0;
+                       if (o_ptr->feeling != j_ptr->feeling) return 0;
 
                        /* Require identical "bonuses" */
                        if (o_ptr->to_h != j_ptr->to_h) return 0;
@@ -1645,11 +1692,8 @@ static int object_similar_part(object_type *o_ptr, object_type *j_ptr)
                        /* Require identical "pval" code */
                        if (o_ptr->pval != j_ptr->pval) return 0;
 
-                       /* Require identical "artifact" names */
-                       if (o_ptr->name1 != j_ptr->name1) return 0;
-
-                       /* Random artifacts never stack */
-                       if (o_ptr->art_name || j_ptr->art_name) return 0;
+                       /* Artifacts never stack */
+                       if (object_is_artifact(o_ptr) || object_is_artifact(j_ptr)) return 0;
 
                        /* Require identical "ego-item" names */
                        if (o_ptr->name2 != j_ptr->name2) return 0;
@@ -1677,7 +1721,7 @@ static int object_similar_part(object_type *o_ptr, object_type *j_ptr)
                default:
                {
                        /* Require knowledge */
-                       if (!object_known_p(o_ptr) || !object_known_p(j_ptr)) return 0;
+                       if (!object_is_known(o_ptr) || !object_is_known(j_ptr)) return 0;
 
                        /* Probably okay */
                        break;
@@ -1749,14 +1793,14 @@ void object_absorb(object_type *o_ptr, object_type *j_ptr)
        o_ptr->number = (total > max_num) ? max_num : total;
 
        /* Hack -- blend "known" status */
-       if (object_known_p(j_ptr)) object_known(o_ptr);
+       if (object_is_known(j_ptr)) object_known(o_ptr);
 
        /* Hack -- clear "storebought" if only one has it */
-       if (((o_ptr->ident & IDENT_STOREB) || (j_ptr->ident & IDENT_STOREB)) &&
-           (!((o_ptr->ident & IDENT_STOREB) && (j_ptr->ident & IDENT_STOREB))))
+       if (((o_ptr->ident & IDENT_STORE) || (j_ptr->ident & IDENT_STORE)) &&
+           (!((o_ptr->ident & IDENT_STORE) && (j_ptr->ident & IDENT_STORE))))
        {
-               if (j_ptr->ident & IDENT_STOREB) j_ptr->ident &= 0xEF;
-               if (o_ptr->ident & IDENT_STOREB) o_ptr->ident &= 0xEF;
+               if (j_ptr->ident & IDENT_STORE) j_ptr->ident &= 0xEF;
+               if (o_ptr->ident & IDENT_STORE) o_ptr->ident &= 0xEF;
        }
 
        /* Hack -- blend "mental" status */
@@ -1895,7 +1939,7 @@ void object_prep(object_type *o_ptr, int k_idx)
        o_ptr->ds = k_ptr->ds;
 
        /* Hack -- worthless items are always "broken" */
-       if (get_object_cost(o_ptr) <= 0) o_ptr->ident |= (IDENT_BROKEN);
+       if (k_info[o_ptr->k_idx].cost <= 0) o_ptr->ident |= (IDENT_BROKEN);
 
        /* Hack -- cursed items are always "cursed" */
        if (k_ptr->gen_flags & (TRG_CURSED)) o_ptr->curse_flags |= (TRC_CURSED);
@@ -1997,10 +2041,10 @@ static void object_mention(object_type *o_ptr)
        char o_name[MAX_NLEN];
 
        /* Describe */
-       object_desc_store(o_name, o_ptr, FALSE, 0);
+       object_desc(o_name, o_ptr, (OD_NAME_ONLY | OD_STORE));
 
        /* Artifact */
-       if (artifact_p(o_ptr))
+       if (object_is_fixed_artifact(o_ptr))
        {
                /* Silly message */
 #ifdef JP
@@ -2023,7 +2067,7 @@ static void object_mention(object_type *o_ptr)
        }
 
        /* Ego-item */
-       else if (ego_item_p(o_ptr))
+       else if (object_is_ego(o_ptr))
        {
                /* Silly message */
 #ifdef JP
@@ -2236,7 +2280,6 @@ static byte get_random_ego(byte slot, bool good)
  *
  * Hack -- note special base damage dice boosting
  * Hack -- note special processing for weapon/digger
- * Hack -- note special rating boost for dragon scale mail
  */
 static void a_m_aux_1(object_type *o_ptr, int level, int power)
 {
@@ -2629,8 +2672,6 @@ static void a_m_aux_2(object_type *o_ptr, int level, int power)
        {
                case TV_DRAG_ARMOR:
                {
-                       /* Rating boost */
-                       rating += 30;
                        if (one_in_(50) || (power > 2)) /* power > 2 is debug only */
                                create_artifact(o_ptr, FALSE);
 
@@ -2715,9 +2756,6 @@ static void a_m_aux_2(object_type *o_ptr, int level, int power)
 
                        if (o_ptr->sval == SV_DRAGON_SHIELD)
                        {
-                               /* Rating boost */
-                               rating += 5;
-
                                /* Mention the item */
                                if (cheat_peek) object_mention(o_ptr);
                                dragon_resist(o_ptr);
@@ -2753,9 +2791,6 @@ static void a_m_aux_2(object_type *o_ptr, int level, int power)
                {
                        if (o_ptr->sval == SV_SET_OF_DRAGON_GLOVES)
                        {
-                               /* Rating boost */
-                               rating += 5;
-
                                /* Mention the item */
                                if (cheat_peek) object_mention(o_ptr);
                                dragon_resist(o_ptr);
@@ -2784,9 +2819,6 @@ static void a_m_aux_2(object_type *o_ptr, int level, int power)
                {
                        if (o_ptr->sval == SV_PAIR_OF_DRAGON_GREAVE)
                        {
-                               /* Rating boost */
-                               rating += 5;
-
                                /* Mention the item */
                                if (cheat_peek) object_mention(o_ptr);
                                dragon_resist(o_ptr);
@@ -2876,9 +2908,6 @@ static void a_m_aux_2(object_type *o_ptr, int level, int power)
                {
                        if (o_ptr->sval == SV_DRAGON_HELM)
                        {
-                               /* Rating boost */
-                               rating += 5;
-
                                /* Mention the item */
                                if (cheat_peek) object_mention(o_ptr);
                                dragon_resist(o_ptr);
@@ -2904,6 +2933,7 @@ static void a_m_aux_2(object_type *o_ptr, int level, int power)
                                        case EGO_WISDOM:
                                        case EGO_BEAUTY:
                                        case EGO_LITE:
+                                       case EGO_DARK:
                                        case EGO_INFRAVISION:
                                                break;
                                        case EGO_SEEING:
@@ -2966,8 +2996,6 @@ static void a_m_aux_2(object_type *o_ptr, int level, int power)
 /*
  * Apply magic to an item known to be a "ring" or "amulet"
  *
- * Hack -- note special rating boost for ring of speed
- * Hack -- note special rating boost for amulet of the magi
  * Hack -- note special "pval boost" code for ring of speed
  * Hack -- note that some items must be cursed (or blessed)
  */
@@ -3057,9 +3085,6 @@ static void a_m_aux_3(object_type *o_ptr, int level, int power)
                                                break;
                                        }
 
-                                       /* Rating boost */
-                                       rating += 25;
-
                                        /* Mention the item */
                                        if (cheat_peek) object_mention(o_ptr);
 
@@ -3076,7 +3101,6 @@ static void a_m_aux_3(object_type *o_ptr, int level, int power)
 
                                        /* Bonus to armor class */
                                        o_ptr->to_a = 10 + randint1(5) + m_bonus(10, level);
-                                       rating += 15;
                                }
                                break;
 
@@ -3275,7 +3299,7 @@ static void a_m_aux_3(object_type *o_ptr, int level, int power)
                                        break;
                                }
                        }
-                       if ((one_in_(400) && (power > 0) && !cursed_p(o_ptr) && (level > 79))
+                       if ((one_in_(400) && (power > 0) && !object_is_cursed(o_ptr) && (level > 79))
                            || (power > 2)) /* power > 2 is debug only */
                        {
                                o_ptr->pval = MIN(o_ptr->pval, 4);
@@ -3568,9 +3592,6 @@ static void a_m_aux_3(object_type *o_ptr, int level, int power)
                                        /* gain one low ESP */
                                        add_esp_weak(o_ptr, FALSE);
 
-                                       /* Boost the rating */
-                                       rating += 15;
-
                                        /* Mention the item */
                                        if (cheat_peek) object_mention(o_ptr);
 
@@ -3614,7 +3635,7 @@ static void a_m_aux_3(object_type *o_ptr, int level, int power)
                                        break;
                                }
                        }
-                       if ((one_in_(150) && (power > 0) && !cursed_p(o_ptr) && (level > 79))
+                       if ((one_in_(150) && (power > 0) && !object_is_cursed(o_ptr) && (level > 79))
                            || (power > 2)) /* power > 2 is debug only */
                        {
                                o_ptr->pval = MIN(o_ptr->pval, 4);
@@ -3645,7 +3666,7 @@ static void a_m_aux_3(object_type *o_ptr, int level, int power)
                                                o_ptr->name2 = EGO_AMU_HOLD_LIFE;
                                                break;
                                        case 9:
-                                               if (have_flag(k_ptr->flags, TR_FEATHER)) break;
+                                               if (have_flag(k_ptr->flags, TR_LEVITATION)) break;
                                                o_ptr->name2 = EGO_AMU_LEVITATION;
                                                break;
                                        case 10: case 11: case 21:
@@ -3775,7 +3796,7 @@ static bool item_monster_okay(int r_idx)
        if (r_ptr->flags1 & RF1_UNIQUE) return (FALSE);
        if (r_ptr->flags7 & RF7_KAGE) return (FALSE);
        if (r_ptr->flagsr & RFR_RES_ALL) return (FALSE);
-       if (r_ptr->flags7 & RF7_UNIQUE_7) return (FALSE);
+       if (r_ptr->flags7 & RF7_NAZGUL) return (FALSE);
        if (r_ptr->flags1 & RF1_FORCE_DEPTH) return (FALSE);
        if (r_ptr->flags7 & RF7_UNIQUE2) return (FALSE);
 
@@ -3923,6 +3944,9 @@ static void a_m_aux_4(object_type *o_ptr, int level, int power)
                                /* Ignore dead monsters */
                                if (!r_ptr->rarity) continue;
 
+                               /* Ignore uncommon monsters */
+                               if (r_ptr->rarity > 100) continue;
+
                                /* Prefer less out-of-depth monsters */
                                if (randint0(check)) continue;
 
@@ -3943,7 +3967,7 @@ static void a_m_aux_4(object_type *o_ptr, int level, int power)
 #endif
 
                                                          r_name + r_ptr->name, check - 1,
-                                                         !cursed_p(o_ptr) ? "" : " {cursed}");
+                                                         !object_is_cursed(o_ptr) ? "" : " {cursed}");
                        }
 
                        break;
@@ -4047,7 +4071,7 @@ static void a_m_aux_4(object_type *o_ptr, int level, int power)
 
                case TV_CHEST:
                {
-                       byte obj_level = get_object_level(o_ptr);
+                       byte obj_level = k_info[o_ptr->k_idx].level;
 
                        /* Hack -- skip ruined chests */
                        if (obj_level <= 0) break;
@@ -4114,7 +4138,7 @@ void apply_magic(object_type *o_ptr, int lev, u32b mode)
        if (f1 > d_info[dungeon_type].obj_good) f1 = d_info[dungeon_type].obj_good;
 
        /* Base chance of being "great" */
-       f2 = f1 / 2;
+       f2 = f1 * 2 / 3;
 
        /* Maximal chance of being "great" */
        if ((p_ptr->pseikaku != SEIKAKU_MUNCHKIN) && (f2 > d_info[dungeon_type].obj_great))
@@ -4200,7 +4224,7 @@ void apply_magic(object_type *o_ptr, int lev, u32b mode)
 
 
        /* Hack -- analyze artifacts */
-       if (o_ptr->name1)
+       if (object_is_fixed_artifact(o_ptr))
        {
                artifact_type *a_ptr = &a_info[o_ptr->name1];
 
@@ -4232,17 +4256,6 @@ void apply_magic(object_type *o_ptr, int lev, u32b mode)
                if (a_ptr->gen_flags & (TRG_RANDOM_CURSE1)) o_ptr->curse_flags |= get_curse(1, o_ptr);
                if (a_ptr->gen_flags & (TRG_RANDOM_CURSE2)) o_ptr->curse_flags |= get_curse(2, o_ptr);
 
-               /* Mega-Hack -- increase the rating */
-               rating += 10;
-
-               /* Mega-Hack -- increase the rating again */
-               if (a_ptr->cost > 50000L) rating += 10;
-
-               /* Mega-Hack -- increase the rating again */
-               if (a_ptr->cost > 100000L) rating += 10;
-
-               /* Set the good item flag */
-               good_item_flag = TRUE;
 
                /* Cheat -- peek at the item */
                if (cheat_peek) object_mention(o_ptr);
@@ -4334,10 +4347,8 @@ void apply_magic(object_type *o_ptr, int lev, u32b mode)
                add_flag(o_ptr->art_flags, TR_CHR);
        }
 
-       if (o_ptr->art_name) rating += 30;
-
        /* Hack -- analyze ego-items */
-       else if (o_ptr->name2)
+       if (object_is_ego(o_ptr))
        {
                ego_item_type *e_ptr = &e_info[o_ptr->name2];
 
@@ -4361,7 +4372,7 @@ void apply_magic(object_type *o_ptr, int lev, u32b mode)
                if (e_ptr->gen_flags & (TRG_XTRA_RES)) one_resistance(o_ptr);
 
                /* Hack -- apply extra penalties if needed */
-               if (cursed_p(o_ptr) || broken_p(o_ptr))
+               if (object_is_cursed(o_ptr) || object_is_broken(o_ptr))
                {
                        /* Hack -- obtain bonuses */
                        if (e_ptr->max_to_h) o_ptr->to_h -= randint1(e_ptr->max_to_h);
@@ -4428,9 +4439,6 @@ void apply_magic(object_type *o_ptr, int lev, u32b mode)
                                o_ptr->pval = 2;
                }
 
-               /* Hack -- apply rating bonus */
-               rating += e_ptr->rating;
-
                /* Cheat -- describe the item */
                if (cheat_peek) object_mention(o_ptr);
 
@@ -4444,7 +4452,7 @@ void apply_magic(object_type *o_ptr, int lev, u32b mode)
                object_kind *k_ptr = &k_info[o_ptr->k_idx];
 
                /* Hack -- acquire "broken" flag */
-               if (!get_object_cost(o_ptr)) o_ptr->ident |= (IDENT_BROKEN);
+               if (!k_info[o_ptr->k_idx].cost) o_ptr->ident |= (IDENT_BROKEN);
 
                /* Hack -- acquire "cursed" flag */
                if (k_ptr->gen_flags & (TRG_CURSED)) o_ptr->curse_flags |= (TRC_CURSED);
@@ -4508,7 +4516,7 @@ static bool kind_is_good(int k_idx)
                case TV_CHAOS_BOOK:
                case TV_DEATH_BOOK:
                case TV_TRUMP_BOOK:
-               case TV_ENCHANT_BOOK:
+               case TV_CRAFT_BOOK:
                case TV_DAEMON_BOOK:
                case TV_CRUSADE_BOOK:
                case TV_MUSIC_BOOK:
@@ -4567,31 +4575,26 @@ bool make_object(object_type *j_ptr, u32b mode)
        {
                int k_idx;
 
-               /*
-                * Hack -- If restriction is already specified, allocation table is
-                * should be prepared by get_obj_num_prep().
-                * We rely previous preparation before reaching here.
-                */
                /* Good objects */
                if ((mode & AM_GOOD) && !get_obj_num_hook)
                {
-                       /* Activate restriction (if already specified, use it) */
+                       /* Activate restriction (if already specified, use that) */
                        get_obj_num_hook = kind_is_good;
-
-                       /* Prepare allocation table */
-                       get_obj_num_prep();
                }
 
+               /* Restricted objects - prepare allocation table */
+               if (get_obj_num_hook) get_obj_num_prep();
+
                /* Pick a random object */
                k_idx = get_obj_num(base);
 
-               /* Good objects */
+               /* Restricted objects */
                if (get_obj_num_hook)
                {
                        /* Clear restriction */
                        get_obj_num_hook = NULL;
 
-                       /* Prepare allocation table */
+                       /* Reset allocation table to default */
                        get_obj_num_prep();
                }
 
@@ -4618,16 +4621,13 @@ bool make_object(object_type *j_ptr, u32b mode)
                }
        }
 
-       obj_level = get_object_level(j_ptr);
-       if (artifact_p(j_ptr)) obj_level = a_info[j_ptr->name1].level;
+       obj_level = k_info[j_ptr->k_idx].level;
+       if (object_is_fixed_artifact(j_ptr)) obj_level = a_info[j_ptr->name1].level;
 
        /* Notice "okay" out-of-depth objects */
-       if (!cursed_p(j_ptr) && !broken_p(j_ptr) &&
+       if (!object_is_cursed(j_ptr) && !object_is_broken(j_ptr) &&
            (obj_level > dun_level))
        {
-               /* Rating increase */
-               rating += (obj_level - dun_level);
-
                /* Cheat -- peek at items */
                if (cheat_peek) object_mention(j_ptr);
        }
@@ -4650,7 +4650,8 @@ void place_object(int y, int x, u32b mode)
 {
        s16b o_idx;
 
-       cave_type *c_ptr;
+       /* Acquire grid */
+       cave_type *c_ptr = &cave[y][x];
 
        object_type forge;
        object_type *q_ptr;
@@ -4659,8 +4660,11 @@ void place_object(int y, int x, u32b mode)
        /* Paranoia -- check bounds */
        if (!in_bounds(y, x)) return;
 
-       /* Require clean floor space */
-       if (!cave_clean_bold(y, x)) return;
+       /* Require floor space */
+       if (!cave_drop_bold(y, x)) return;
+
+       /* Avoid stacking on other objects */
+       if (c_ptr->o_idx) return;
 
 
        /* Get local object */
@@ -4691,9 +4695,6 @@ void place_object(int y, int x, u32b mode)
                o_ptr->iy = y;
                o_ptr->ix = x;
 
-               /* Acquire grid */
-               c_ptr = &cave[y][x];
-
                /* Build a stack */
                o_ptr->next_o_idx = c_ptr->o_idx;
 
@@ -4709,7 +4710,7 @@ void place_object(int y, int x, u32b mode)
        else
        {
                /* Hack -- Preserve artifacts */
-               if (q_ptr->name1)
+               if (object_is_fixed_artifact(q_ptr))
                {
                        a_info[q_ptr->name1].cur_num = 0;
                }
@@ -4767,7 +4768,9 @@ void place_gold(int y, int x)
 {
        s16b o_idx;
 
-       cave_type *c_ptr;
+       /* Acquire grid */
+       cave_type *c_ptr = &cave[y][x];
+
 
        object_type forge;
        object_type *q_ptr;
@@ -4776,8 +4779,11 @@ void place_gold(int y, int x)
        /* Paranoia -- check bounds */
        if (!in_bounds(y, x)) return;
 
-       /* Require clean floor space */
-       if (!cave_clean_bold(y, x)) return;
+       /* Require floor space */
+       if (!cave_drop_bold(y, x)) return;
+
+       /* Avoid stacking on other objects */
+       if (c_ptr->o_idx) return;
 
 
        /* Get local object */
@@ -4808,9 +4814,6 @@ void place_gold(int y, int x)
                o_ptr->iy = y;
                o_ptr->ix = x;
 
-               /* Acquire grid */
-               c_ptr = &cave[y][x];
-
                /* Build a stack */
                o_ptr->next_o_idx = c_ptr->o_idx;
 
@@ -4849,7 +4852,7 @@ s16b drop_near(object_type *j_ptr, int chance, int y, int x)
        int bs, bn;
        int by, bx;
        int dy, dx;
-       int ty, tx;
+       int ty, tx = 0;
 
        s16b o_idx = 0;
 
@@ -4868,11 +4871,11 @@ s16b drop_near(object_type *j_ptr, int chance, int y, int x)
 #endif
 
        /* Describe object */
-       object_desc(o_name, j_ptr, FALSE, 0);
+       object_desc(o_name, j_ptr, (OD_OMIT_PREFIX | OD_NAME_ONLY));
 
 
        /* Handle normal "breakage" */
-       if (!(j_ptr->art_name || artifact_p(j_ptr)) && (randint0(100) < chance))
+       if (!object_is_artifact(j_ptr) && (randint0(100) < chance))
        {
                /* Message */
 #ifdef JP
@@ -4927,22 +4930,14 @@ s16b drop_near(object_type *j_ptr, int chance, int y, int x)
                        /* Skip illegal grids */
                        if (!in_bounds(ty, tx)) continue;
 
-                       /* Require line of sight */
-                       if (!los(y, x, ty, tx)) continue;
+                       /* Require line of projection */
+                       if (!projectable(y, x, ty, tx)) continue;
 
                        /* Obtain grid */
                        c_ptr = &cave[ty][tx];
 
                        /* Require floor space */
-                       if ((c_ptr->feat != FEAT_FLOOR) &&
-                           (c_ptr->feat != FEAT_SHAL_WATER) &&
-                           (c_ptr->feat != FEAT_GRASS) &&
-                           (c_ptr->feat != FEAT_DIRT) &&
-                           (c_ptr->feat != FEAT_FLOWER) &&
-                           (c_ptr->feat != FEAT_DEEP_GRASS) &&
-                           (c_ptr->feat != FEAT_SHAL_LAVA) &&
-                           (c_ptr->feat != FEAT_TREES)) continue;
-                       if (c_ptr->info & (CAVE_OBJECT)) continue;
+                       if (!cave_drop_bold(ty, tx)) continue;
 
                        /* No objects */
                        k = 0;
@@ -4997,7 +4992,7 @@ s16b drop_near(object_type *j_ptr, int chance, int y, int x)
 
 
        /* Handle lack of space */
-       if (!flag && !(artifact_p(j_ptr) || j_ptr->art_name))
+       if (!flag && !object_is_artifact(j_ptr))
        {
                /* Message */
 #ifdef JP
@@ -5022,44 +5017,96 @@ s16b drop_near(object_type *j_ptr, int chance, int y, int x)
 
 
        /* Find a grid */
-       for (i = 0; !flag; i++)
+       for (i = 0; !flag && (i < 1000); i++)
        {
                /* Bounce around */
-               if (i < 1000)
-               {
-                       ty = rand_spread(by, 1);
-                       tx = rand_spread(bx, 1);
-               }
-
-               /* Random locations */
-               else
-               {
-                       ty = randint0(cur_hgt);
-                       tx = randint0(cur_wid);
-               }
-
-               /* Grid */
-               c_ptr = &cave[ty][tx];
+               ty = rand_spread(by, 1);
+               tx = rand_spread(bx, 1);
 
-               /* Require floor space (or shallow terrain) -KMW- */
-               if ((c_ptr->feat != FEAT_FLOOR) &&
-                   (c_ptr->feat != FEAT_SHAL_WATER) &&
-                   (c_ptr->feat != FEAT_GRASS) &&
-                   (c_ptr->feat != FEAT_DIRT) &&
-                   (c_ptr->feat != FEAT_SHAL_LAVA)) continue;
+               /* Verify location */
+               if (!in_bounds(ty, tx)) continue;
 
                /* Bounce to that location */
                by = ty;
                bx = tx;
 
                /* Require floor space */
-               if (!cave_clean_bold(by, bx)) continue;
+               if (!cave_drop_bold(by, bx)) continue;
 
                /* Okay */
                flag = TRUE;
        }
 
 
+       if (!flag)
+       {
+               int candidates = 0, pick;
+
+               for (ty = 1; ty < cur_hgt - 1; ty++)
+               {
+                       for (tx = 1; tx < cur_wid - 1; tx++)
+                       {
+                               /* A valid space found */
+                               if (cave_drop_bold(ty, tx)) candidates++;
+                       }
+               }
+
+               /* No valid place! */
+               if (!candidates)
+               {
+                       /* Message */
+#ifdef JP
+                       msg_format("%s¤Ï¾Ã¤¨¤¿¡£", o_name);
+#else
+                       msg_format("The %s disappear%s.", o_name, (plural ? "" : "s"));
+#endif
+
+                       /* Debug */
+#ifdef JP
+                       if (p_ptr->wizard) msg_print("(¾²¥¹¥Ú¡¼¥¹¤¬¤Ê¤¤)");
+#else
+                       if (p_ptr->wizard) msg_print("(no floor space)");
+#endif
+
+                       /* Mega-Hack -- preserve artifacts */
+                       if (preserve_mode)
+                       {
+                               /* Hack -- Preserve unknown artifacts */
+                               if (object_is_fixed_artifact(j_ptr) && !object_is_known(j_ptr))
+                               {
+                                       /* Mega-Hack -- Preserve the artifact */
+                                       a_info[j_ptr->name1].cur_num = 0;
+                               }
+                       }
+
+                       /* Failure */
+                       return 0;
+               }
+
+               /* Choose a random one */
+               pick = randint1(candidates);
+
+               for (ty = 1; ty < cur_hgt - 1; ty++)
+               {
+                       for (tx = 1; tx < cur_wid - 1; tx++)
+                       {
+                               if (cave_drop_bold(ty, tx))
+                               {
+                                       pick--;
+
+                                       /* Is this a picked one? */
+                                       if (!pick) break;
+                               }
+                       }
+
+                       if (!pick) break;
+               }
+
+               by = ty;
+               bx = tx;
+       }
+
+
        /* Grid */
        c_ptr = &cave[by][bx];
 
@@ -5112,7 +5159,7 @@ s16b drop_near(object_type *j_ptr, int chance, int y, int x)
 
 
                /* Hack -- Preserve artifacts */
-               if (j_ptr->name1)
+               if (object_is_fixed_artifact(j_ptr))
                {
                        a_info[j_ptr->name1].cur_num = 0;
                }
@@ -5208,30 +5255,37 @@ void acquirement(int y1, int x1, int num, bool great, bool known)
 }
 
 
-#define MAX_TRAPS              18
+#define MAX_NORMAL_TRAPS 18
 
-static int trap_num[MAX_TRAPS] =
-{
-       FEAT_TRAP_TRAPDOOR,
-       FEAT_TRAP_PIT,
-       FEAT_TRAP_SPIKED_PIT,
-       FEAT_TRAP_POISON_PIT,
-       FEAT_TRAP_TY_CURSE,
-       FEAT_TRAP_TELEPORT,
-       FEAT_TRAP_FIRE,
-       FEAT_TRAP_ACID,
-       FEAT_TRAP_SLOW,
-       FEAT_TRAP_LOSE_STR,
-       FEAT_TRAP_LOSE_DEX,
-       FEAT_TRAP_LOSE_CON,
-       FEAT_TRAP_BLIND,
-       FEAT_TRAP_CONFUSE,
-       FEAT_TRAP_POISON,
-       FEAT_TRAP_SLEEP,
-       FEAT_TRAP_TRAPS,
-       FEAT_TRAP_ALARM,
-};
+/* See init_feat_variables() in init2.c */
+static s16b normal_traps[MAX_NORMAL_TRAPS];
 
+/*
+ * Initialize arrays for normal traps
+ */
+void init_normal_traps(void)
+{
+       int cur_trap = 0;
+
+       normal_traps[cur_trap++] = f_tag_to_index_in_init("TRAP_TRAPDOOR");
+       normal_traps[cur_trap++] = f_tag_to_index_in_init("TRAP_PIT");
+       normal_traps[cur_trap++] = f_tag_to_index_in_init("TRAP_SPIKED_PIT");
+       normal_traps[cur_trap++] = f_tag_to_index_in_init("TRAP_POISON_PIT");
+       normal_traps[cur_trap++] = f_tag_to_index_in_init("TRAP_TY_CURSE");
+       normal_traps[cur_trap++] = f_tag_to_index_in_init("TRAP_TELEPORT");
+       normal_traps[cur_trap++] = f_tag_to_index_in_init("TRAP_FIRE");
+       normal_traps[cur_trap++] = f_tag_to_index_in_init("TRAP_ACID");
+       normal_traps[cur_trap++] = f_tag_to_index_in_init("TRAP_SLOW");
+       normal_traps[cur_trap++] = f_tag_to_index_in_init("TRAP_LOSE_STR");
+       normal_traps[cur_trap++] = f_tag_to_index_in_init("TRAP_LOSE_DEX");
+       normal_traps[cur_trap++] = f_tag_to_index_in_init("TRAP_LOSE_CON");
+       normal_traps[cur_trap++] = f_tag_to_index_in_init("TRAP_BLIND");
+       normal_traps[cur_trap++] = f_tag_to_index_in_init("TRAP_CONFUSE");
+       normal_traps[cur_trap++] = f_tag_to_index_in_init("TRAP_POISON");
+       normal_traps[cur_trap++] = f_tag_to_index_in_init("TRAP_SLEEP");
+       normal_traps[cur_trap++] = f_tag_to_index_in_init("TRAP_TRAPS");
+       normal_traps[cur_trap++] = f_tag_to_index_in_init("TRAP_ALARM");
+}
 
 /*
  * Get random trap
@@ -5241,18 +5295,18 @@ static int trap_num[MAX_TRAPS] =
  * Actually, it is not this routine, but the "trap instantiation"
  * code, which should also check for "trap doors" on quest levels.
  */
-byte choose_random_trap(void)
+s16b choose_random_trap(void)
 {
-       byte feat;
+       s16b feat;
 
        /* Pick a trap */
        while (1)
        {
                /* Hack -- pick a trap */
-               feat = trap_num[randint0(MAX_TRAPS)];
+               feat = normal_traps[randint0(MAX_NORMAL_TRAPS)];
 
                /* Accept non-trapdoors */
-               if (feat != FEAT_TRAP_TRAPDOOR) break;
+               if (!have_flag(f_info[feat].flags, FF_MORE)) break;
 
                /* Hack -- no trap doors on special levels */
                if (p_ptr->inside_arena || quest_number(dun_level)) continue;
@@ -5273,17 +5327,22 @@ void disclose_grid(int y, int x)
 {
        cave_type *c_ptr = &cave[y][x];
 
-       /* Paranoia */
-       if (!c_ptr->mimic) return;
-
-       /* No longer hidden */
-       c_ptr->mimic = 0;
+       if (cave_have_flag_grid(c_ptr, FF_SECRET))
+       {
+               /* No longer hidden */
+               cave_alter_feat(y, x, FF_SECRET);
+       }
+       else if (c_ptr->mimic)
+       {
+               /* No longer hidden */
+               c_ptr->mimic = 0;
 
-       /* Notice */
-       note_spot(y, x);
+               /* Notice */
+               note_spot(y, x);
 
-       /* Redraw */
-       lite_spot(y, x);
+               /* Redraw */
+               lite_spot(y, x);
+       }
 }
 
 
@@ -5304,7 +5363,7 @@ void place_trap(int y, int x)
        if (!in_bounds(y, x)) return;
 
        /* Require empty, clean, floor grid */
-       if (!cave_naked_bold(y, x)) return;
+       if (!cave_clean_bold(y, x)) return;
 
        /* Place an invisible trap */
        c_ptr->mimic = c_ptr->feat;
@@ -5323,7 +5382,7 @@ void inven_item_charges(int item)
        if ((o_ptr->tval != TV_STAFF) && (o_ptr->tval != TV_WAND)) return;
 
        /* Require known item */
-       if (!object_known_p(o_ptr)) return;
+       if (!object_is_known(o_ptr)) return;
 
 #ifdef JP
        if (o_ptr->pval <= 0)
@@ -5362,7 +5421,7 @@ void inven_item_describe(int item)
        char        o_name[MAX_NLEN];
 
        /* Get a description */
-       object_desc(o_name, o_ptr, TRUE, 3);
+       object_desc(o_name, o_ptr, 0);
 
        /* Print a message */
 #ifdef JP
@@ -5421,6 +5480,19 @@ void inven_item_increase(int item, int num)
 
                /* Window stuff */
                p_ptr->window |= (PW_INVEN | PW_EQUIP);
+
+               /* Hack -- Clear temporary elemental brands if player takes off weapons */
+               if (!o_ptr->number && p_ptr->ele_attack)
+               {
+                       if ((item == INVEN_RARM) || (item == INVEN_LARM))
+                       {
+                               if (!buki_motteruka(INVEN_RARM + INVEN_LARM - item))
+                               {
+                                       /* Clear all temporary elemental brands */
+                                       set_ele_attack(0, 0);
+                               }
+                       }
+               }
        }
 }
 
@@ -5498,7 +5570,7 @@ void floor_item_charges(int item)
        if ((o_ptr->tval != TV_STAFF) && (o_ptr->tval != TV_WAND)) return;
 
        /* Require known item */
-       if (!object_known_p(o_ptr)) return;
+       if (!object_is_known(o_ptr)) return;
 
 #ifdef JP
        if (o_ptr->pval <= 0)
@@ -5537,7 +5609,7 @@ void floor_item_describe(int item)
        char        o_name[MAX_NLEN];
 
        /* Get a description */
-       object_desc(o_name, o_ptr, TRUE, 3);
+       object_desc(o_name, o_ptr, 0);
 
        /* Print a message */
 #ifdef JP
@@ -5624,6 +5696,87 @@ bool inven_carry_okay(object_type *o_ptr)
 }
 
 
+bool object_sort_comp(object_type *o_ptr, s32b o_value, object_type *j_ptr)
+{
+       int o_type, j_type;
+
+       /* Use empty slots */
+       if (!j_ptr->k_idx) return TRUE;
+
+       /* Hack -- readable books always come first */
+       if ((o_ptr->tval == REALM1_BOOK) &&
+           (j_ptr->tval != REALM1_BOOK)) return TRUE;
+       if ((j_ptr->tval == REALM1_BOOK) &&
+           (o_ptr->tval != REALM1_BOOK)) return FALSE;
+
+       if ((o_ptr->tval == REALM2_BOOK) &&
+           (j_ptr->tval != REALM2_BOOK)) return TRUE;
+       if ((j_ptr->tval == REALM2_BOOK) &&
+           (o_ptr->tval != REALM2_BOOK)) return FALSE;
+
+       /* Objects sort by decreasing type */
+       if (o_ptr->tval > j_ptr->tval) return TRUE;
+       if (o_ptr->tval < j_ptr->tval) return FALSE;
+
+       /* Non-aware (flavored) items always come last */
+       /* Can happen in the home */
+       if (!object_is_aware(o_ptr)) return FALSE;
+       if (!object_is_aware(j_ptr)) return TRUE;
+
+       /* Objects sort by increasing sval */
+       if (o_ptr->sval < j_ptr->sval) return TRUE;
+       if (o_ptr->sval > j_ptr->sval) return FALSE;
+
+       /* Unidentified objects always come last */
+       /* Objects in the home can be unknown */
+       if (!object_is_known(o_ptr)) return FALSE;
+       if (!object_is_known(j_ptr)) return TRUE;
+
+       /* Fixed artifacts, random artifacts and ego items */
+       if (object_is_fixed_artifact(o_ptr)) o_type = 3;
+       else if (o_ptr->art_name) o_type = 2;
+       else if (object_is_ego(o_ptr)) o_type = 1;
+       else o_type = 0;
+
+       if (object_is_fixed_artifact(j_ptr)) j_type = 3;
+       else if (j_ptr->art_name) j_type = 2;
+       else if (object_is_ego(j_ptr)) j_type = 1;
+       else j_type = 0;
+
+       if (o_type < j_type) return TRUE;
+       if (o_type > j_type) return FALSE;
+
+       switch (o_ptr->tval)
+       {
+       case TV_FIGURINE:
+       case TV_STATUE:
+       case TV_CORPSE:
+       case TV_CAPTURE:
+               if (r_info[o_ptr->pval].level < r_info[j_ptr->pval].level) return TRUE;
+               if ((r_info[o_ptr->pval].level == r_info[j_ptr->pval].level) && (o_ptr->pval < j_ptr->pval)) return TRUE;
+               return FALSE;
+
+       case TV_SHOT:
+       case TV_ARROW:
+       case TV_BOLT:
+               /* Objects sort by increasing hit/damage bonuses */
+               if (o_ptr->to_h + o_ptr->to_d < j_ptr->to_h + j_ptr->to_d) return TRUE;
+               if (o_ptr->to_h + o_ptr->to_d > j_ptr->to_h + j_ptr->to_d) return FALSE;
+               break;
+
+       /* Hack:  otherwise identical rods sort by
+       increasing recharge time --dsb */
+       case TV_ROD:
+               if (o_ptr->pval < j_ptr->pval) return TRUE;
+               if (o_ptr->pval > j_ptr->pval) return FALSE;
+               break;
+       }
+
+       /* Objects sort by decreasing value */
+       return o_value > object_value(j_ptr);
+}
+
+
 /*
  * Add an item to the players inventory, and return the slot used.
  *
@@ -5700,60 +5853,13 @@ s16b inven_carry(object_type *o_ptr)
        /* Reorder the pack */
        if (i < INVEN_PACK)
        {
-               s32b o_value, j_value;
-
                /* Get the "value" of the item */
-               o_value = object_value(o_ptr);
+               s32b o_value = object_value(o_ptr);
 
                /* Scan every occupied slot */
                for (j = 0; j < INVEN_PACK; j++)
                {
-                       j_ptr = &inventory[j];
-
-                       /* Use empty slots */
-                       if (!j_ptr->k_idx) break;
-
-                       /* Hack -- readable books always come first */
-                       if ((o_ptr->tval == REALM1_BOOK) &&
-                           (j_ptr->tval != REALM1_BOOK)) break;
-                       if ((j_ptr->tval == REALM1_BOOK) &&
-                           (o_ptr->tval != REALM1_BOOK)) continue;
-
-                       if ((o_ptr->tval == REALM2_BOOK) &&
-                           (j_ptr->tval != REALM2_BOOK)) break;
-                       if ((j_ptr->tval == REALM2_BOOK) &&
-                           (o_ptr->tval != REALM2_BOOK)) continue;
-
-                       /* Objects sort by decreasing type */
-                       if (o_ptr->tval > j_ptr->tval) break;
-                       if (o_ptr->tval < j_ptr->tval) continue;
-
-                       /* Non-aware (flavored) items always come last */
-                       if (!object_aware_p(o_ptr)) continue;
-                       if (!object_aware_p(j_ptr)) break;
-
-                       /* Objects sort by increasing sval */
-                       if (o_ptr->sval < j_ptr->sval) break;
-                       if (o_ptr->sval > j_ptr->sval) continue;
-
-                       /* Unidentified objects always come last */
-                       if (!object_known_p(o_ptr)) continue;
-                       if (!object_known_p(j_ptr)) break;
-
-                       /* Hack:  otherwise identical rods sort by
-                       increasing recharge time --dsb */
-                       if (o_ptr->tval == TV_ROD)
-                       {
-                               if (o_ptr->pval < j_ptr->pval) break;
-                               if (o_ptr->pval > j_ptr->pval) continue;
-                       }
-
-                       /* Determine the "value" of the pack item */
-                       j_value = object_value(j_ptr);
-
-                       /* Objects sort by decreasing value */
-                       if (o_value > j_value) break;
-                       if (o_value < j_value) continue;
+                       if (object_sort_comp(o_ptr, o_value, &inventory[j])) break;
                }
 
                /* Use that slot */
@@ -5786,8 +5892,8 @@ s16b inven_carry(object_type *o_ptr)
        /* Forget location */
        j_ptr->iy = j_ptr->ix = 0;
 
-       /* No longer marked */
-       j_ptr->marked = 0;
+       /* Player touches it, and no longer marked */
+       j_ptr->marked = OM_TOUCHED;
 
        /* Increase the weight */
        p_ptr->total_weight += (j_ptr->number * j_ptr->weight);
@@ -5852,10 +5958,11 @@ s16b inven_takeoff(int item, int amt)
        q_ptr->number = amt;
 
        /* Describe the object */
-       object_desc(o_name, q_ptr, TRUE, 3);
+       object_desc(o_name, q_ptr, 0);
 
        /* Took off weapon */
-       if (item == INVEN_RARM)
+       if (((item == INVEN_RARM) || (item == INVEN_LARM)) &&
+           object_is_melee_weapon(o_ptr))
        {
 #ifdef JP
                act = "¤òÁõÈ÷¤«¤é¤Ï¤º¤·¤¿";
@@ -5967,7 +6074,7 @@ void inven_drop(int item, int amt)
        q_ptr->number = amt;
 
        /* Describe local object */
-       object_desc(o_name, q_ptr, TRUE, 3);
+       object_desc(o_name, q_ptr, 0);
 
        /* Message */
 #ifdef JP
@@ -5997,93 +6104,101 @@ void combine_pack(void)
        int             i, j, k;
        object_type     *o_ptr;
        object_type     *j_ptr;
-       bool            flag = FALSE;
+       bool            flag = FALSE, combined;
 
-
-       /* Combine the pack (backwards) */
-       for (i = INVEN_PACK; i > 0; i--)
+       do
        {
-               /* Get the item */
-               o_ptr = &inventory[i];
+               combined = FALSE;
 
-               /* Skip empty items */
-               if (!o_ptr->k_idx) continue;
-
-               /* Scan the items above that item */
-               for (j = 0; j < i; j++)
+               /* Combine the pack (backwards) */
+               for (i = INVEN_PACK; i > 0; i--)
                {
-                       int max_num;
-
                        /* Get the item */
-                       j_ptr = &inventory[j];
+                       o_ptr = &inventory[i];
 
                        /* Skip empty items */
-                       if (!j_ptr->k_idx) continue;
-
-                       /*
-                        * Get maximum number of the stack if these
-                        * are similar, get zero otherwise.
-                        */
-                       max_num = object_similar_part(j_ptr, o_ptr);
+                       if (!o_ptr->k_idx) continue;
 
-                       /* Can we (partialy) drop "o_ptr" onto "j_ptr"? */
-                       if (max_num && j_ptr->number < max_num)
+                       /* Scan the items above that item */
+                       for (j = 0; j < i; j++)
                        {
-                               if (o_ptr->number + j_ptr->number <= max_num)
-                               {
-                                       /* Take note */
-                                       flag = TRUE;
+                               int max_num;
 
-                                       /* Add together the item counts */
-                                       object_absorb(j_ptr, o_ptr);
+                               /* Get the item */
+                               j_ptr = &inventory[j];
 
-                                       /* One object is gone */
-                                       inven_cnt--;
+                               /* Skip empty items */
+                               if (!j_ptr->k_idx) continue;
 
-                                       /* Slide everything down */
-                                       for (k = i; k < INVEN_PACK; k++)
+                               /*
+                                * Get maximum number of the stack if these
+                                * are similar, get zero otherwise.
+                                */
+                               max_num = object_similar_part(j_ptr, o_ptr);
+
+                               /* Can we (partialy) drop "o_ptr" onto "j_ptr"? */
+                               if (max_num && j_ptr->number < max_num)
+                               {
+                                       if (o_ptr->number + j_ptr->number <= max_num)
                                        {
-                                               /* Structure copy */
-                                               inventory[k] = inventory[k+1];
+                                               /* Take note */
+                                               flag = TRUE;
+
+                                               /* Add together the item counts */
+                                               object_absorb(j_ptr, o_ptr);
+
+                                               /* One object is gone */
+                                               inven_cnt--;
+
+                                               /* Slide everything down */
+                                               for (k = i; k < INVEN_PACK; k++)
+                                               {
+                                                       /* Structure copy */
+                                                       inventory[k] = inventory[k+1];
+                                               }
+
+                                               /* Erase the "final" slot */
+                                               object_wipe(&inventory[k]);
                                        }
-                                       
-                                       /* Erase the "final" slot */
-                                       object_wipe(&inventory[k]);
-                               }
-                               else
-                               {
-                                       int old_num = o_ptr->number;
-                                       int remain = j_ptr->number + o_ptr->number - max_num;
+                                       else
+                                       {
+                                               int old_num = o_ptr->number;
+                                               int remain = j_ptr->number + o_ptr->number - max_num;
 #if 0
-                                       o_ptr->number -= remain;
+                                               o_ptr->number -= remain;
 #endif
-                                       /* Add together the item counts */
-                                       object_absorb(j_ptr, o_ptr);
+                                               /* Add together the item counts */
+                                               object_absorb(j_ptr, o_ptr);
 
-                                       o_ptr->number = remain;
+                                               o_ptr->number = remain;
 
-                                       /* Hack -- if rods are stacking, add the pvals (maximum timeouts) and current timeouts together. -LM- */
-                                       if (o_ptr->tval == TV_ROD)
-                                       {
-                                               o_ptr->pval =  o_ptr->pval * remain / old_num;
-                                               o_ptr->timeout = o_ptr->timeout * remain / old_num;
-                                       }
+                                               /* Hack -- if rods are stacking, add the pvals (maximum timeouts) and current timeouts together. -LM- */
+                                               if (o_ptr->tval == TV_ROD)
+                                               {
+                                                       o_ptr->pval =  o_ptr->pval * remain / old_num;
+                                                       o_ptr->timeout = o_ptr->timeout * remain / old_num;
+                                               }
 
-                                       /* Hack -- if wands are stacking, combine the charges. -LM- */
-                                       if (o_ptr->tval == TV_WAND)
-                                       {
-                                               o_ptr->pval = o_ptr->pval * remain / old_num;
+                                               /* Hack -- if wands are stacking, combine the charges. -LM- */
+                                               if (o_ptr->tval == TV_WAND)
+                                               {
+                                                       o_ptr->pval = o_ptr->pval * remain / old_num;
+                                               }
                                        }
-                               }
 
-                               /* Window stuff */
-                               p_ptr->window |= (PW_INVEN);
-                               
-                               /* Done */
-                               break;
+                                       /* Window stuff */
+                                       p_ptr->window |= (PW_INVEN);
+
+                                       /* Take note */
+                                       combined = TRUE;
+
+                                       /* Done */
+                                       break;
+                               }
                        }
                }
        }
+       while (combined);
 
        /* Message */
 #ifdef JP
@@ -6103,10 +6218,8 @@ void reorder_pack(void)
 {
        int             i, j, k;
        s32b            o_value;
-       s32b            j_value;
        object_type     forge;
        object_type     *q_ptr;
-       object_type     *j_ptr;
        object_type     *o_ptr;
        bool            flag = FALSE;
 
@@ -6129,55 +6242,7 @@ void reorder_pack(void)
                /* Scan every occupied slot */
                for (j = 0; j < INVEN_PACK; j++)
                {
-                       /* Get the item already there */
-                       j_ptr = &inventory[j];
-
-                       /* Use empty slots */
-                       if (!j_ptr->k_idx) break;
-
-                       /* Hack -- readable books always come first */
-                       if ((o_ptr->tval == REALM1_BOOK) &&
-                           (j_ptr->tval != REALM1_BOOK)) break;
-                       if ((j_ptr->tval == REALM1_BOOK) &&
-                           (o_ptr->tval != REALM1_BOOK)) continue;
-
-                       if ((o_ptr->tval == REALM2_BOOK) &&
-                           (j_ptr->tval != REALM2_BOOK)) break;
-                       if ((j_ptr->tval == REALM2_BOOK) &&
-                           (o_ptr->tval != REALM2_BOOK)) continue;
-
-                       /* Objects sort by decreasing type */
-                       if (o_ptr->tval > j_ptr->tval) break;
-                       if (o_ptr->tval < j_ptr->tval) continue;
-
-                       /* Non-aware (flavored) items always come last */
-                       if (!object_aware_p(o_ptr)) continue;
-                       if (!object_aware_p(j_ptr)) break;
-
-                       /* Objects sort by increasing sval */
-                       if (o_ptr->sval < j_ptr->sval) break;
-                       if (o_ptr->sval > j_ptr->sval) continue;
-
-                       /* Unidentified objects always come last */
-                       if (!object_known_p(o_ptr)) continue;
-                       if (!object_known_p(j_ptr)) break;
-
-                       /* Hack:  otherwise identical rods sort by
-                       increasing recharge time --dsb */
-                       if (o_ptr->tval == TV_ROD)
-                       {
-                               if (o_ptr->pval < j_ptr->pval) break;
-                               if (o_ptr->pval > j_ptr->pval) continue;
-                       }
-
-                       /* Determine the "value" of the pack item */
-                       j_value = object_value(j_ptr);
-
-
-
-                       /* Objects sort by decreasing value */
-                       if (o_value > j_value) break;
-                       if (o_value < j_value) continue;
+                       if (object_sort_comp(o_ptr, o_value, &inventory[j])) break;
                }
 
                /* Never move down */
@@ -6250,7 +6315,7 @@ void display_koff(int k_idx)
        object_prep(q_ptr, k_idx);
 
        /* Describe */
-       object_desc_store(o_name, q_ptr, FALSE, 0);
+       object_desc(o_name, q_ptr, (OD_OMIT_PREFIX | OD_NAME_ONLY | OD_STORE));
 
        /* Mention the object name */
        Term_putstr(0, 0, -1, TERM_WHITE, o_name);
@@ -6334,48 +6399,72 @@ static void spell_damcalc(monster_type *m_ptr, int typ, int dam, int limit, int
        switch (typ)
        {
        case GF_ELEC:
-               if (p_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
-               if (p_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
-               if (prace_is_(RACE_ANDROID)) dam += dam / 3;
-               if (p_ptr->resist_elec) dam = (dam + 2) / 3;
-               if (IS_OPPOSE_ELEC())
-                       dam = (dam + 2) / 3;
-               if (p_ptr->immune_elec) dam = 0;
+               if (p_ptr->immune_elec)
+               {
+                       dam = 0;
+                       ignore_wraith_form = TRUE;
+               }
+               else
+               {
+                       if (p_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
+                       if (p_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
+                       if (prace_is_(RACE_ANDROID)) dam += dam / 3;
+                       if (p_ptr->resist_elec) dam = (dam + 2) / 3;
+                       if (IS_OPPOSE_ELEC())
+                               dam = (dam + 2) / 3;
+               }
                break;
 
        case GF_POIS:
                if (p_ptr->resist_pois) dam = (dam + 2) / 3;
-               if (IS_OPPOSE_POIS())
-                       dam = (dam + 2) / 3;
+               if (IS_OPPOSE_POIS()) dam = (dam + 2) / 3;
                break;
 
        case GF_ACID:
-               if (p_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
-               if (p_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
-               if (p_ptr->resist_acid) dam = (dam + 2) / 3;
-               if (IS_OPPOSE_ACID())
-                       dam = (dam + 2) / 3;
-               if (p_ptr->immune_acid) dam = 0;
+               if (p_ptr->immune_acid)
+               {
+                       dam = 0;
+                       ignore_wraith_form = TRUE;
+               }
+               else
+               {
+                       if (p_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
+                       if (p_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
+                       if (p_ptr->resist_acid) dam = (dam + 2) / 3;
+                       if (IS_OPPOSE_ACID()) dam = (dam + 2) / 3;
+               }
                break;
 
        case GF_COLD:
        case GF_ICE:
-               if (p_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
-               if (p_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
-               if (p_ptr->resist_cold) dam = (dam + 2) / 3;
-               if (IS_OPPOSE_COLD())
-                       dam = (dam + 2) / 3;
-               if (p_ptr->immune_cold) dam = 0;
+               if (p_ptr->immune_cold)
+               {
+                       dam = 0;
+                       ignore_wraith_form = TRUE;
+               }
+               else
+               {
+                       if (p_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
+                       if (p_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
+                       if (p_ptr->resist_cold) dam = (dam + 2) / 3;
+                       if (IS_OPPOSE_COLD()) dam = (dam + 2) / 3;
+               }
                break;
 
        case GF_FIRE:
-               if (p_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
-               if (prace_is_(RACE_ENT)) dam += dam / 3;
-               if (p_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
-               if (p_ptr->resist_fire) dam = (dam + 2) / 3;
-               if (IS_OPPOSE_FIRE())
-                       dam = (dam + 2) / 3;
-               if (p_ptr->immune_fire) dam = 0;
+               if (p_ptr->immune_fire)
+               {
+                       dam = 0;
+                       ignore_wraith_form = TRUE;
+               }
+               else
+               {
+                       if (p_ptr->muta3 & MUT3_VULN_ELEM) dam *= 2;
+                       if (prace_is_(RACE_ENT)) dam += dam / 3;
+                       if (p_ptr->special_defense & KATA_KOUKIJIN) dam += dam / 3;
+                       if (p_ptr->resist_fire) dam = (dam + 2) / 3;
+                       if (IS_OPPOSE_FIRE()) dam = (dam + 2) / 3;
+               }
                break;
 
        case GF_PSY_SPEAR:
@@ -6386,19 +6475,31 @@ static void spell_damcalc(monster_type *m_ptr, int typ, int dam, int limit, int
                if (!p_ptr->blind &&
                    ((inventory[INVEN_RARM].k_idx && (inventory[INVEN_RARM].name1 == ART_ZANTETSU)) ||
                     (inventory[INVEN_LARM].k_idx && (inventory[INVEN_LARM].name1 == ART_ZANTETSU))))
+               {
                        dam = 0;
+                       ignore_wraith_form = TRUE;
+               }
                break;
 
        case GF_LITE:
                if (p_ptr->resist_lite) dam /= 2; /* Worst case of 4 / (d4 + 7) */
                if (prace_is_(RACE_VAMPIRE) || (p_ptr->mimic_form == MIMIC_VAMPIRE)) dam *= 2;
                else if (prace_is_(RACE_S_FAIRY)) dam = dam * 4 / 3;
-               ignore_wraith_form = TRUE;
+
+               /*
+                * Cannot use "ignore_wraith_form" strictly (for "random one damage")
+                * "dam *= 2;" for later "dam /= 2"
+                */
+               if (p_ptr->wraith_form) dam *= 2;
                break;
 
        case GF_DARK:
-               if (p_ptr->resist_dark) dam /= 2; /* Worst case of 4 / (d4 + 7) */
-               if (prace_is_(RACE_VAMPIRE) || (p_ptr->mimic_form == MIMIC_VAMPIRE) || p_ptr->wraith_form) dam = 0;
+               if (prace_is_(RACE_VAMPIRE) || (p_ptr->mimic_form == MIMIC_VAMPIRE) || p_ptr->wraith_form)
+               {
+                       dam = 0;
+                       ignore_wraith_form = TRUE;
+               }
+               else if (p_ptr->resist_dark) dam /= 2; /* Worst case of 4 / (d4 + 7) */
                break;
 
        case GF_SHARDS:
@@ -6418,8 +6519,12 @@ static void spell_damcalc(monster_type *m_ptr, int typ, int dam, int limit, int
                break;
 
        case GF_NETHER:
-               if (p_ptr->resist_neth) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
-               if (prace_is_(RACE_SPECTRE)) dam = 0;
+               if (prace_is_(RACE_SPECTRE))
+               {
+                       dam = 0;
+                       ignore_wraith_form = TRUE;
+               }
+               else if (p_ptr->resist_neth) dam = dam * 3 / 4; /* Worst case of 6 / (d4 + 7) */
                break;
 
        case GF_DISENCHANT:
@@ -6435,7 +6540,7 @@ static void spell_damcalc(monster_type *m_ptr, int typ, int dam, int limit, int
                break;
 
        case GF_GRAVITY:
-               if (p_ptr->ffall) dam = (dam * 2) / 3;
+               if (p_ptr->levitation) dam = (dam * 2) / 3;
                break;
 
        case GF_ROCKET:
@@ -6444,14 +6549,17 @@ static void spell_damcalc(monster_type *m_ptr, int typ, int dam, int limit, int
 
        case GF_NUKE:
                if (p_ptr->resist_pois) dam = (2 * dam + 2) / 5;
-               if (IS_OPPOSE_POIS())
-                       dam = (2 * dam + 2) / 5;
+               if (IS_OPPOSE_POIS()) dam = (2 * dam + 2) / 5;
                break;
 
        case GF_DEATH_RAY:
                if (p_ptr->mimic_form)
                {
-                       if (mimic_info[p_ptr->mimic_form].MIMIC_FLAGS & MIMIC_IS_NONLIVING) dam = 0;
+                       if (mimic_info[p_ptr->mimic_form].MIMIC_FLAGS & MIMIC_IS_NONLIVING)
+                       {
+                               dam = 0;
+                               ignore_wraith_form = TRUE;
+                       }
                }
                else
                {
@@ -6464,6 +6572,7 @@ static void spell_damcalc(monster_type *m_ptr, int typ, int dam, int limit, int
                        case RACE_DEMON:
                        case RACE_SPECTRE:
                                dam = 0;
+                               ignore_wraith_form = TRUE;
                                break;
                        }
                }
@@ -6480,18 +6589,30 @@ static void spell_damcalc(monster_type *m_ptr, int typ, int dam, int limit, int
 
        case GF_MIND_BLAST:
        case GF_BRAIN_SMASH:
-               if (100 + rlev / 2 <= MAX(5, p_ptr->skill_sav)) dam = 0;
+               if (100 + rlev / 2 <= MAX(5, p_ptr->skill_sav))
+               {
+                       dam = 0;
+                       ignore_wraith_form = TRUE;
+               }
                break;
 
        case GF_CAUSE_1:
        case GF_CAUSE_2:
        case GF_CAUSE_3:
        case GF_HAND_DOOM:
-               if (100 + rlev / 2 <= p_ptr->skill_sav) dam = 0;
+               if (100 + rlev / 2 <= p_ptr->skill_sav)
+               {
+                       dam = 0;
+                       ignore_wraith_form = TRUE;
+               }
                break;
 
        case GF_CAUSE_4:
-               if ((100 + rlev / 2 <= p_ptr->skill_sav) && (m_ptr->r_idx != MON_KENSHIROU)) dam = 0;
+               if ((100 + rlev / 2 <= p_ptr->skill_sav) && (m_ptr->r_idx != MON_KENSHIROU))
+               {
+                       dam = 0;
+                       ignore_wraith_form = TRUE;
+               }
                break;
        }
 
@@ -6509,6 +6630,7 @@ static int blow_damcalc(monster_type *m_ptr, monster_blow *blow_ptr)
 {
        int  dam = blow_ptr->d_dice * blow_ptr->d_side;
        int  dummy_max = 0;
+       bool check_wraith_form = TRUE;
 
        if (blow_ptr->method != RBM_EXPLODE)
        {
@@ -6531,27 +6653,38 @@ static int blow_damcalc(monster_type *m_ptr, monster_blow *blow_ptr)
                case RBE_ACID:
                        spell_damcalc(m_ptr, GF_ACID, dam, 0, &dummy_max);
                        dam = dummy_max;
+                       check_wraith_form = FALSE;
                        break;
 
                case RBE_ELEC:
                        spell_damcalc(m_ptr, GF_ELEC, dam, 0, &dummy_max);
                        dam = dummy_max;
+                       check_wraith_form = FALSE;
                        break;
 
                case RBE_FIRE:
                        spell_damcalc(m_ptr, GF_FIRE, dam, 0, &dummy_max);
                        dam = dummy_max;
+                       check_wraith_form = FALSE;
                        break;
 
                case RBE_COLD:
                        spell_damcalc(m_ptr, GF_COLD, dam, 0, &dummy_max);
                        dam = dummy_max;
+                       check_wraith_form = FALSE;
                        break;
 
                case RBE_DR_MANA:
                        dam = 0;
+                       check_wraith_form = FALSE;
                        break;
                }
+
+               if (check_wraith_form && p_ptr->wraith_form)
+               {
+                       dam /= 2;
+                       if (!dam) dam = 1;
+               }
        }
        else
        {
@@ -6581,7 +6714,6 @@ bool process_warning(int xx, int yy)
                        int dam_max0 = 0;
                        monster_type *m_ptr;
                        monster_race *r_ptr;
-                       u32b f4, f5, f6;
 
                        if (!in_bounds(my, mx) || (distance(my, mx, yy, xx) > WARNING_AWARE_RANGE)) continue;
 
@@ -6591,31 +6723,32 @@ bool process_warning(int xx, int yy)
 
                        m_ptr = &m_list[c_ptr->m_idx];
 
-                       if (m_ptr->csleep) continue;
+                       if (MON_CSLEEP(m_ptr)) continue;
                        if (!is_hostile(m_ptr)) continue;
 
                        r_ptr = &r_info[m_ptr->r_idx];
 
-                       f4 = r_ptr->flags4;
-                       f5 = r_ptr->flags5;
-                       f6 = r_ptr->flags6;
-
                        /* Monster spells (only powerful ones)*/
                        if (projectable(my, mx, yy, xx))
                        {
                                int breath_dam_div3 = m_ptr->hp / 3;
                                int breath_dam_div6 = m_ptr->hp / 6;
+                               u32b f4 = r_ptr->flags4;
+                               u32b f5 = r_ptr->flags5;
+                               u32b f6 = r_ptr->flags6;
 
                                if (!(d_info[dungeon_type].flags1 & DF1_NO_MAGIC))
                                {
                                        int rlev = ((r_ptr->level >= 1) ? r_ptr->level : 1);
                                        int storm_dam = rlev * 4 + 150;
+                                       bool powerful = (bool)(r_ptr->flags2 & RF2_POWERFUL);
 
+                                       if (f4 & RF4_BA_CHAO) spell_damcalc(m_ptr, GF_CHAOS, rlev * (powerful ? 3 : 2) + 100, 0, &dam_max0);
                                        if (f5 & RF5_BA_MANA) spell_damcalc(m_ptr, GF_MANA, storm_dam, 0, &dam_max0);
                                        if (f5 & RF5_BA_DARK) spell_damcalc(m_ptr, GF_DARK, storm_dam, 0, &dam_max0);
                                        if (f5 & RF5_BA_LITE) spell_damcalc(m_ptr, GF_LITE, storm_dam, 0, &dam_max0);
                                        if (f6 & RF6_HAND_DOOM) spell_damcalc(m_ptr, GF_HAND_DOOM, p_ptr->chp * 6 / 10, 0, &dam_max0);
-                                       if (f6 & RF6_PSY_SPEAR) spell_damcalc(m_ptr, GF_PSY_SPEAR, (r_ptr->flags2 & RF2_POWERFUL) ? (rlev * 2 + 150) : (rlev * 3 / 2 + 100), 0, &dam_max0);
+                                       if (f6 & RF6_PSY_SPEAR) spell_damcalc(m_ptr, GF_PSY_SPEAR, powerful ? (rlev * 2 + 150) : (rlev * 3 / 2 + 100), 0, &dam_max0);
                                }
                                if (f4 & RF4_ROCKET) spell_damcalc(m_ptr, GF_ROCKET, m_ptr->hp / 4, 800, &dam_max0);
                                if (f4 & RF4_BR_ACID) spell_damcalc(m_ptr, GF_ACID, breath_dam_div3, 1600, &dam_max0);
@@ -6676,7 +6809,7 @@ bool process_warning(int xx, int yy)
                {
                        object_type *o_ptr = choose_warning_item();
 
-                       if (o_ptr) object_desc(o_name, o_ptr, FALSE, 0);
+                       if (o_ptr) object_desc(o_name, o_ptr, (OD_OMIT_PREFIX | OD_NAME_ONLY));
 #ifdef JP
                        else strcpy(o_name, "ÂÎ"); /* Warning ability without item */
                        msg_format("%s¤¬±Ô¤¯¿Ì¤¨¤¿¡ª", o_name);
@@ -6695,12 +6828,12 @@ bool process_warning(int xx, int yy)
        else old_damage = old_damage / 2;
 
        c_ptr = &cave[yy][xx];
-       if (((!easy_disarm && (is_trap(c_ptr->feat) || c_ptr->feat == FEAT_INVIS))
+       if (((!easy_disarm && is_trap(c_ptr->feat))
            || (c_ptr->mimic && is_trap(c_ptr->feat))) && !one_in_(13))
        {
                object_type *o_ptr = choose_warning_item();
 
-               if (o_ptr) object_desc(o_name, o_ptr, FALSE, 0);
+               if (o_ptr) object_desc(o_name, o_ptr, (OD_OMIT_PREFIX | OD_NAME_ONLY));
 #ifdef JP
                else strcpy(o_name, "ÂÎ"); /* Warning ability without item */
                msg_format("%s¤¬¿Ì¤¨¤¿¡ª", o_name);
@@ -6816,7 +6949,7 @@ static essence_type essence_info[] =
        {TR_SH_COLD, "", 0, -2, 0},
        {TR_NO_MAGIC, "È¿ËâË¡", 3, TR_NO_MAGIC, 15},
        {TR_WARNING, "·Ù¹ð", 3, TR_WARNING, 20},
-       {TR_FEATHER, "ÉâÍ·", 3, TR_FEATHER, 20},
+       {TR_LEVITATION, "ÉâÍ·", 3, TR_LEVITATION, 20},
        {TR_LITE, "±Êµ×¸÷¸»", 3, TR_LITE, 15},
        {TR_SEE_INVIS, "²Ä»ëÆ©ÌÀ", 3, TR_SEE_INVIS, 20},
        {TR_TELEPATHY, "¥Æ¥ì¥Ñ¥·¡¼", 6, TR_TELEPATHY, 15},
@@ -6879,7 +7012,7 @@ static essence_type essence_info[] =
        {TR_MAGIC_MASTERY, "magic mastery", 4, TR_MAGIC_MASTERY, 20},
        {TR_STEALTH, "stealth", 4, TR_STEALTH, 40},
        {TR_SEARCH, "serching", 4, TR_SEARCH, 15},
-       {TR_INFRA, "inflavision", 4, TR_INFRA, 15},
+       {TR_INFRA, "infravision", 4, TR_INFRA, 15},
        {TR_TUNNEL, "digging", 4, TR_TUNNEL, 15},
        {TR_SPEED, "speed", 4, TR_SPEED, 12},
        {TR_BLOWS, "extra attack", 1, TR_BLOWS, 20},
@@ -6925,7 +7058,7 @@ static essence_type essence_info[] =
        {TR_SH_COLD, "", 0, -2, 0},
        {TR_NO_MAGIC, "anti magic", 3, TR_NO_MAGIC, 15},
        {TR_WARNING, "warning", 3, TR_WARNING, 20},
-       {TR_FEATHER, "levitation", 3, TR_FEATHER, 20},
+       {TR_LEVITATION, "levitation", 3, TR_LEVITATION, 20},
        {TR_LITE, "permanent light", 3, TR_LITE, 15},
        {TR_SEE_INVIS, "see invisible", 3, TR_SEE_INVIS, 20},
        {TR_TELEPATHY, "telepathy", 6, TR_TELEPATHY, 15},
@@ -7098,7 +7231,7 @@ static cptr essence_name[] =
        "",
        "stealth",
        "serching",
-       "inflavision",
+       "infravision",
        "digging",
        "speed",
        "extra atk",
@@ -7235,7 +7368,7 @@ static void drain_essence(void)
        for (i = 0; i < sizeof(drain_value) / sizeof(int); i++)
                drain_value[i] = 0;
 
-       item_tester_hook = item_tester_hook_weapon_armour;
+       item_tester_hook = object_is_weapon_armour_ammo;
        item_tester_no_ryoute = TRUE;
 
        /* Get an item */
@@ -7261,9 +7394,10 @@ static void drain_essence(void)
                o_ptr = &o_list[0 - item];
        }
 
-       if (object_known_p(o_ptr) && (o_ptr->name1 || o_ptr->name2 || o_ptr->art_name || o_ptr->xtra3)) {
+       if (object_is_known(o_ptr) && !object_is_nameless(o_ptr))
+       {
                char o_name[MAX_NLEN];
-               object_desc(o_name, o_ptr, FALSE, 0);
+               object_desc(o_name, o_ptr, (OD_OMIT_PREFIX | OD_NAME_ONLY));
 #ifdef JP
                if (!get_check(format("ËÜÅö¤Ë%s¤«¤éÃê½Ð¤·¤Æ¤è¤í¤·¤¤¤Ç¤¹¤«¡©", o_name))) return;
 #else
@@ -7386,7 +7520,7 @@ static void drain_essence(void)
        {
                drain_value[TR_DEX] += 20;
        }
-       if ((o_ptr->tval >= TV_SHOT) && (o_ptr->tval <= TV_SWORD) && (o_ptr->tval != TV_BOW))
+       if (object_is_weapon_ammo(o_ptr))
        {
                if (old_ds > o_ptr->ds) drain_value[TR_ES_ATTACK] += (old_ds-o_ptr->ds)*10;
 
@@ -7867,11 +8001,11 @@ static void add_essence(int mode)
        else if (mode == 1 || mode == 5)
                item_tester_hook = item_tester_hook_melee_ammo;
        else if (es_ptr->add == ESSENCE_ATTACK)
-               item_tester_hook = item_tester_hook_weapon;
+               item_tester_hook = object_allow_enchant_weapon;
        else if (es_ptr->add == ESSENCE_AC)
-               item_tester_hook = item_tester_hook_armour;
+               item_tester_hook = object_is_armour;
        else
-               item_tester_hook = item_tester_hook_weapon_armour;
+               item_tester_hook = object_is_weapon_armour_ammo;
        item_tester_no_ryoute = TRUE;
 
        /* Get an item */
@@ -7897,7 +8031,7 @@ static void add_essence(int mode)
                o_ptr = &o_list[0 - item];
        }
 
-       if ((mode != 10) && (o_ptr->name1 || o_ptr->art_name || o_ptr->xtra3))
+       if ((mode != 10) && (object_is_artifact(o_ptr) || object_is_smith(o_ptr)))
        {
 #ifdef JP
                msg_print("¤½¤Î¥¢¥¤¥Æ¥à¤Ï¤³¤ì°Ê¾å²þÎɤǤ­¤Ê¤¤¡£");
@@ -7907,7 +8041,7 @@ static void add_essence(int mode)
                return;
        }
 
-       object_desc(o_name, o_ptr, FALSE, 0);
+       object_desc(o_name, o_ptr, (OD_OMIT_PREFIX | OD_NAME_ONLY));
 
        use_essence = es_ptr->value;
        if ((o_ptr->tval >= TV_SHOT) && (o_ptr->tval <= TV_BOLT)) use_essence = (use_essence+9)/10;
@@ -8169,36 +8303,6 @@ static void add_essence(int mode)
 }
 
 
-bool item_tester_hook_smith(object_type *o_ptr)
-{
-       switch (o_ptr->tval)
-       {
-               case TV_SWORD:
-               case TV_HAFTED:
-               case TV_POLEARM:
-               case TV_DIGGING:
-               case TV_BOW:
-               case TV_BOLT:
-               case TV_ARROW:
-               case TV_SHOT:
-               case TV_DRAG_ARMOR:
-               case TV_HARD_ARMOR:
-               case TV_SOFT_ARMOR:
-               case TV_SHIELD:
-               case TV_CLOAK:
-               case TV_CROWN:
-               case TV_HELM:
-               case TV_BOOTS:
-               case TV_GLOVES:
-               {
-                       if (o_ptr->xtra3) return (TRUE);
-               }
-       }
-
-       return (FALSE);
-}
-
-
 static void erase_essence(void)
 {
        int item;
@@ -8207,7 +8311,7 @@ static void erase_essence(void)
        char o_name[MAX_NLEN];
        u32b flgs[TR_FLAG_SIZE];
 
-       item_tester_hook = item_tester_hook_smith;
+       item_tester_hook = object_is_smith;
 
        /* Get an item */
 #ifdef JP
@@ -8232,7 +8336,7 @@ static void erase_essence(void)
                o_ptr = &o_list[0 - item];
        }
 
-       object_desc(o_name, o_ptr, FALSE, 0);
+       object_desc(o_name, o_ptr, (OD_OMIT_PREFIX | OD_NAME_ONLY));
 #ifdef JP
        if (!get_check(format("¤è¤í¤·¤¤¤Ç¤¹¤«¡© [%s]", o_name))) return;
 #else
@@ -8299,7 +8403,7 @@ void do_cmd_kaji(bool only_browse)
 #ifdef JP
                        msg_print("¤¦¤Þ¤¯¸«¤¨¤Ê¤¯¤Æºî¶È¤Ç¤­¤Ê¤¤¡ª");
 #else
-                       msg_print("You are hullcinating!");
+                       msg_print("You are hallucinating!");
 #endif
 
                        return;