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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 / melee2.c
index 8dc69a3..6dfbc19 100644 (file)
@@ -1,14 +1,14 @@
 /* File: melee2.c */
 
-/* Purpose: Monster spells and movement */
-
 /*
-* Copyright (c) 1989 James E. Wilson, Robert A. Koeneke
-*
-* This software may be copied and distributed for educational, research, and
-* not for profit purposes provided that this copyright and statement are
-* included in all such copies.
-*/
+ * Copyright (c) 1997 Ben Harrison, James E. Wilson, Robert A. Koeneke
+ *
+ * This software may be copied and distributed for educational, research,
+ * and not for profit purposes provided that this copyright and statement
+ * are included in all such copies.  Other copyrights may also apply.
+ */
+
+/* Purpose: Monster spells and movement */
 
 /*
 * This file has several additions to it by Keldon Jones (keldon@umr.edu)
@@ -37,7 +37,7 @@ static bool get_enemy_dir(int m_idx, int *mm)
 
        monster_type *t_ptr;
 
-       if (riding_t_m_idx && (m_ptr->fx == px) && (m_ptr->fy == py))
+       if (riding_t_m_idx && player_bold(m_ptr->fy, m_ptr->fx))
        {
                y = m_list[riding_t_m_idx].fy;
                x = m_list[riding_t_m_idx].fx;
@@ -60,7 +60,6 @@ static bool get_enemy_dir(int m_idx, int *mm)
                for (i = start; ((i < start + m_max) && (i > start - m_max)); i+=plus)
                {
                        int dummy = (i % m_max);
-                       bool can_pass_wall;
 
                        if (!dummy) continue;
 
@@ -97,18 +96,15 @@ static bool get_enemy_dir(int m_idx, int *mm)
                        /* Monster must be 'an enemy' */
                        if (!are_enemies(m_ptr, t_ptr)) continue;
 
-                       can_pass_wall = (((r_ptr->flags2 & RF2_PASS_WALL) && ((m_idx != p_ptr->riding) || (p_ptr->pass_wall))) || ((r_ptr->flags2 & RF2_KILL_WALL) && (m_idx != p_ptr->riding)));
-
                        /* Monster must be projectable if we can't pass through walls */
-                       if (!can_pass_wall &&
-                               !projectable(m_ptr->fy, m_ptr->fx, t_ptr->fy, t_ptr->fx))
+                       if (((r_ptr->flags2 & RF2_PASS_WALL) && ((m_idx != p_ptr->riding) || p_ptr->pass_wall)) ||
+                           ((r_ptr->flags2 & RF2_KILL_WALL) && (m_idx != p_ptr->riding)))
                        {
-                               continue;
+                               if (!in_disintegration_range(m_ptr->fy, m_ptr->fx, t_ptr->fy, t_ptr->fx)) continue;
                        }
-                       if (can_pass_wall &&
-                               !in_disintegration_range(m_ptr->fy, m_ptr->fx, t_ptr->fy, t_ptr->fx))
+                       else
                        {
-                               continue;
+                               if (!projectable(m_ptr->fy, m_ptr->fx, t_ptr->fy, t_ptr->fx)) continue;
                        }
 
                        /* OK -- we've got a target */
@@ -190,7 +186,7 @@ static bool get_enemy_dir(int m_idx, int *mm)
  * Hack, based on mon_take_hit... perhaps all monster attacks on
  * other monsters should use this?
  */
-void mon_take_hit_mon(bool is_psy_spear, int m_idx, int dam, bool *fear, cptr note, int who)
+void mon_take_hit_mon(int m_idx, int dam, bool *fear, cptr note, int who)
 {
        monster_type    *m_ptr = &m_list[m_idx];
 
@@ -198,7 +194,7 @@ void mon_take_hit_mon(bool is_psy_spear, int m_idx, int dam, bool *fear, cptr no
 
        char m_name[160];
 
-       bool seen = m_ptr->ml;
+       bool seen = is_seen(m_ptr);
 
        /* Can the player be aware of this attack? */
        bool known = (m_ptr->cdis <= MAX_SIGHT);
@@ -207,15 +203,18 @@ void mon_take_hit_mon(bool is_psy_spear, int m_idx, int dam, bool *fear, cptr no
        monster_desc(m_name, m_ptr, 0);
 
        /* Redraw (later) if needed */
-       if (p_ptr->health_who == m_idx) p_ptr->redraw |= (PR_HEALTH);
-       if (p_ptr->riding == m_idx) p_ptr->redraw |= (PR_UHEALTH);
+       if (m_ptr->ml)
+       {
+               if (p_ptr->health_who == m_idx) p_ptr->redraw |= (PR_HEALTH);
+               if (p_ptr->riding == m_idx) p_ptr->redraw |= (PR_UHEALTH);
+       }
 
        /* Wake it up */
-       m_ptr->csleep = 0;
+       (void)set_monster_csleep(m_idx, 0);
 
        if (p_ptr->riding && (m_idx == p_ptr->riding)) disturb(1, 0);
 
-       if (m_ptr->invulner && randint0(PENETRATE_INVULNERABILITY))
+       if (MON_INVULNER(m_ptr) && randint0(PENETRATE_INVULNERABILITY))
        {
                if (seen)
                {
@@ -230,7 +229,7 @@ msg_format("%^s
                return;
        }
 
-       if (r_ptr->flags3 & RF3_RES_ALL)
+       if (r_ptr->flagsr & RFR_RES_ALL)
        {
                if(dam > 0)
                {
@@ -258,9 +257,8 @@ msg_format("%^s
        /* It is dead now... or is it? */
        if (m_ptr->hp < 0)
        {
-               if (((r_ptr->flags1 & RF1_UNIQUE) ||
-                       (r_ptr->flags7 & RF7_UNIQUE_7) ||
-                       (r_ptr->flags1 & RF1_QUESTOR)) &&
+               if (((r_ptr->flags1 & (RF1_UNIQUE | RF1_QUESTOR)) ||
+                   (r_ptr->flags7 & RF7_NAZGUL)) &&
                    !p_ptr->inside_battle)
                {
                        m_ptr->hp = 1;
@@ -279,7 +277,7 @@ msg_format("%^s
 
                        if (known)
                        {
-                               monster_desc(m_name, m_ptr, 0x100);
+                               monster_desc(m_name, m_ptr, MD_TRUE_NAME);
                                /* Unseen death by normal attack */
                                if (!seen)
                                {
@@ -336,35 +334,21 @@ msg_format("%^s
 #ifdef ALLOW_FEAR
 
        /* Mega-Hack -- Pain cancels fear */
-       if (m_ptr->monfear && (dam > 0))
+       if (MON_MONFEAR(m_ptr) && (dam > 0))
        {
-               int tmp = randint1(dam / 4);
-
-               /* Cure a little fear */
-               if (tmp < m_ptr->monfear)
-               {
-                       /* Reduce fear */
-                       m_ptr->monfear -= tmp;
-               }
-
-               /* Cure all the fear */
-               else
+               /* Cure fear */
+               if (set_monster_monfear(m_idx, MON_MONFEAR(m_ptr) - randint1(dam / 4)))
                {
-                       /* Cure fear */
-                       m_ptr->monfear = 0;
-
                        /* No more fear */
                        (*fear) = FALSE;
                }
        }
 
        /* Sometimes a monster gets scared by damage */
-       if (!m_ptr->monfear && !(r_ptr->flags3 & RF3_NO_FEAR))
+       if (!MON_MONFEAR(m_ptr) && !(r_ptr->flags3 & RF3_NO_FEAR))
        {
-               int             percentage;
-
                /* Percentage of fully healthy */
-               percentage = (100L * m_ptr->hp) / m_ptr->maxhp;
+               int percentage = (100L * m_ptr->hp) / m_ptr->maxhp;
 
                /*
                * Run (sometimes) if at 10% or less of max hit points,
@@ -377,9 +361,9 @@ msg_format("%^s
                        (*fear) = TRUE;
 
                        /* XXX XXX XXX Hack -- Add some timed fear */
-                       m_ptr->monfear += (randint1(10) +
+                       (void)set_monster_monfear(m_idx, (randint1(10) +
                                (((dam >= m_ptr->hp) && (percentage > 7)) ?
-                               20 : ((11 - percentage) * 5)));
+                               20 : ((11 - percentage) * 5))));
                }
        }
 
@@ -387,7 +371,7 @@ msg_format("%^s
 
        if ((dam > 0) && !is_pet(m_ptr) && !is_friendly(m_ptr) && (who != m_idx))
        {
-               if (is_pet(&m_list[who]) && (m_ptr->target_y != py) && (m_ptr->target_x != px))
+               if (is_pet(&m_list[who]) && !player_bold(m_ptr->target_y, m_ptr->target_x))
                {
                        set_target(m_ptr, m_list[who].fy, m_list[who].fx);
                }
@@ -456,7 +440,7 @@ static int mon_will_run(int m_idx)
        if (m_ptr->cdis > MAX_SIGHT + 5) return (FALSE);
 
        /* All "afraid" monsters will run away */
-       if (m_ptr->monfear) return (TRUE);
+       if (MON_MONFEAR(m_ptr)) return (TRUE);
 
 #ifdef ALLOW_TERROR
 
@@ -541,17 +525,17 @@ static bool get_moves_aux2(int m_idx, int *yp, int *xp)
                if (!in_bounds2(y, x)) continue;
 
                /* Simply move to player */
-               if ((y == py) && (x == px)) return (FALSE);
+               if (player_bold(y, x)) return (FALSE);
 
                c_ptr = &cave[y][x];
 
                cost = c_ptr->cost;
 
                /* Monster cannot kill or pass walls */
-               if (!(((r_ptr->flags2 & RF2_PASS_WALL) && ((m_idx != p_ptr->riding) || p_ptr->pass_wall)) || (r_ptr->flags2 & RF2_KILL_WALL)))
+               if (!(((r_ptr->flags2 & RF2_PASS_WALL) && ((m_idx != p_ptr->riding) || p_ptr->pass_wall)) || ((r_ptr->flags2 & RF2_KILL_WALL) && (m_idx != p_ptr->riding))))
                {
                        if (cost == 0) continue;
-                       if (!can_open_door && (c_ptr->feat >= FEAT_DOOR_HEAD && c_ptr->feat <= FEAT_SECRET)) continue;
+                       if (!can_open_door && is_closed_door(c_ptr->feat)) continue;
                }
 
                /* Hack -- for kill or pass wall monster.. */
@@ -604,15 +588,11 @@ static bool get_moves_aux(int m_idx, int *yp, int *xp, bool no_flow)
        int i, y, x, y1, x1, best;
 
        cave_type *c_ptr;
-       bool use_sound = FALSE;
        bool use_scent = FALSE;
 
        monster_type *m_ptr = &m_list[m_idx];
        monster_race *r_ptr = &r_info[m_ptr->r_idx];
 
-       /* Monster flowing disabled */
-       if (stupid_monsters) return (FALSE);
-
        /* Can monster cast attack spell? */
        if (r_ptr->flags4 & (RF4_ATTACK_MASK) ||
            r_ptr->flags5 & (RF5_ATTACK_MASK) ||
@@ -626,16 +606,15 @@ static bool get_moves_aux(int m_idx, int *yp, int *xp, bool no_flow)
        if (no_flow) return (FALSE);
 
        /* Monster can go through rocks */
-       if ((r_ptr->flags2 & RF2_PASS_WALL) && ((m_idx != p_ptr->riding) || (p_ptr->pass_wall))) return (FALSE);
-       if (r_ptr->flags2 & RF2_KILL_WALL) return (FALSE);
-       if (!cave_floor_bold(py, px) && (cave[py][px].feat != FEAT_TREES)) return (FALSE);
+       if ((r_ptr->flags2 & RF2_PASS_WALL) && ((m_idx != p_ptr->riding) || p_ptr->pass_wall)) return (FALSE);
+       if ((r_ptr->flags2 & RF2_KILL_WALL) && (m_idx != p_ptr->riding)) return (FALSE);
 
        /* Monster location */
        y1 = m_ptr->fy;
        x1 = m_ptr->fx;
 
        /* Hack -- Player can see us, run towards him */
-       if (player_has_los_bold(y1, x1)) return (FALSE);
+       if (player_has_los_bold(y1, x1) && projectable(py, px, y1, x1)) return (FALSE);
 
        /* Monster grid */
        c_ptr = &cave[y1][x1];
@@ -643,7 +622,6 @@ static bool get_moves_aux(int m_idx, int *yp, int *xp, bool no_flow)
        /* If we can hear noises, advance towards them */
        if (c_ptr->cost)
        {
-               use_sound = TRUE;
                best = 999;
        }
 
@@ -722,14 +700,11 @@ static bool get_moves_aux(int m_idx, int *yp, int *xp, bool no_flow)
 static bool get_fear_moves_aux(int m_idx, int *yp, int *xp)
 {
        int y, x, y1, x1, fy, fx, gy = 0, gx = 0;
-       int dist = 0, score = -1;
+       int score = -1;
        int i;
 
        monster_type *m_ptr = &m_list[m_idx];
 
-       /* Monster flowing disabled */
-       if (stupid_monsters) return (FALSE);
-
        /* Monster location */
        fy = m_ptr->fy;
        fx = m_ptr->fx;
@@ -750,7 +725,8 @@ static bool get_fear_moves_aux(int m_idx, int *yp, int *xp)
                /* Ignore locations off of edge */
                if (!in_bounds2(y, x)) continue;
 
-               if (cave[y][x].dist < dist) continue;
+               /* Don't move toward player */
+               /* if (cave[y][x].dist < 3) continue; */ /* Hmm.. Need it? */
 
                /* Calculate distance of this grid from our destination */
                dis = distance(y, x, y1, x1);
@@ -765,7 +741,6 @@ static bool get_fear_moves_aux(int m_idx, int *yp, int *xp)
                if (s < score) continue;
 
                /* Save the score and time */
-               dist = cave[y][x].dist;
                score = s;
 
                /* Save the location */
@@ -944,7 +919,7 @@ static bool find_safety(int m_idx, int *yp, int *xp)
 
        sint *y_offsets;
        sint *x_offsets;
-       
+
        cave_type *c_ptr;
 
        /* Start with adjacent locations, spread further */
@@ -953,7 +928,7 @@ static bool find_safety(int m_idx, int *yp, int *xp)
                /* Get the lists of points with a distance d from (fx, fy) */
                y_offsets = dist_offsets_y[d];
                x_offsets = dist_offsets_x[d];
-               
+
                /* Check the locations */
                for (i = 0, dx = x_offsets[0], dy = y_offsets[0];
                     dx != 0 || dy != 0;
@@ -961,29 +936,28 @@ static bool find_safety(int m_idx, int *yp, int *xp)
                {
                        y = fy + dy;
                        x = fx + dx;
-                       
+
                        /* Skip illegal locations */
                        if (!in_bounds(y, x)) continue;
 
                        c_ptr = &cave[y][x];
 
                        /* Skip locations in a wall */
-                       if (!cave_floor_grid(c_ptr)) continue;
+                       if (!monster_can_cross_terrain(c_ptr->feat, &r_info[m_ptr->r_idx], (m_idx == p_ptr->riding) ? CEM_RIDING : 0)) continue;
 
                        /* Check for "availability" (if monsters can flow) */
-                       if (!stupid_monsters && !(m_ptr->mflag2 & MFLAG_NOFLOW))
+                       if (!(m_ptr->mflag2 & MFLAG2_NOFLOW))
                        {
                                /* Ignore grids very far from the player */
-                               if (c_ptr->when < cave[py][px].when) continue;
+                               if (c_ptr->dist == 0) continue;
 
                                /* Ignore too-distant grids */
                                if (c_ptr->dist > cave[fy][fx].dist + 2 * d) continue;
                        }
-                       
+
                        /* Check for absence of shot (more or less) */
-                       if (clean_shot(fy, fx, y, x, FALSE))
+                       if (!projectable(py, px, y, x))
                        {
-                                                       
                                /* Calculate distance from player */
                                dis = distance(y, x, py, px);
 
@@ -992,20 +966,13 @@ static bool find_safety(int m_idx, int *yp, int *xp)
                                {
                                        gy = y;
                                        gx = x;
-                                       if (!player_has_los_grid(c_ptr))
-                                       {
-                                               gdis = dis * 5;
-                                       }
-                                       else
-                                       {
-                                               gdis = dis;
-                                       }
+                                       gdis = dis;
                                }
                        }
                }
 
                /* Check for success */
-               if (gdis > d + m_ptr->cdis)
+               if (gdis > 0)
                {
                        /* Good location */
                        (*yp) = fy - gy;
@@ -1017,13 +984,7 @@ static bool find_safety(int m_idx, int *yp, int *xp)
        }
 
        /* No safe place */
-       
-       /* Save farthest location from player in LOS of monster */
-       (*yp) = fy - gy;
-       (*xp) = fx - gx;
-       
-       /* Hack - return TRUE anyway. */
-       return (TRUE);
+       return (FALSE);
 }
 
 
@@ -1038,6 +999,7 @@ static bool find_safety(int m_idx, int *yp, int *xp)
 static bool find_hiding(int m_idx, int *yp, int *xp)
 {
        monster_type *m_ptr = &m_list[m_idx];
+       monster_race *r_ptr = &r_info[m_ptr->r_idx];
 
        int fy = m_ptr->fy;
        int fx = m_ptr->fx;
@@ -1046,8 +1008,6 @@ static bool find_hiding(int m_idx, int *yp, int *xp)
        int gy = 0, gx = 0, gdis = 999;
 
        sint *y_offsets, *x_offsets;
-       
-       cave_type *c_ptr;
 
        /* Start with adjacent locations, spread further */
        for (d = 1; d < 10; d++)
@@ -1063,17 +1023,15 @@ static bool find_hiding(int m_idx, int *yp, int *xp)
                {
                        y = fy + dy;
                        x = fx + dx;
-                       
+
                        /* Skip illegal locations */
                        if (!in_bounds(y, x)) continue;
 
-                       c_ptr = &cave[y][x];
-
                        /* Skip occupied locations */
-                       if (!cave_empty_grid(c_ptr)) continue;
+                       if (!monster_can_enter(y, x, r_ptr, 0)) continue;
 
                        /* Check for hidden, available grid */
-                       if (!player_has_los_grid(c_ptr) && clean_shot(fy, fx, y, x, FALSE))
+                       if (!projectable(py, px, y, x) && clean_shot(fy, fx, y, x, FALSE))
                        {
                                /* Calculate distance from player */
                                dis = distance(y, x, py, px);
@@ -1118,26 +1076,31 @@ static bool get_moves(int m_idx, int *mm)
        int          x2 = px;
        bool         done = FALSE;
        bool         will_run = mon_will_run(m_idx);
-       cave_type       *c_ptr;
-       bool         no_flow = ((m_ptr->mflag2 & MFLAG_NOFLOW) && (cave[m_ptr->fy][m_ptr->fx].cost > 2));
-       bool         can_pass_wall;
+       cave_type    *c_ptr;
+       bool         no_flow = ((m_ptr->mflag2 & MFLAG2_NOFLOW) && (cave[m_ptr->fy][m_ptr->fx].cost > 2));
+       bool         can_pass_wall = ((r_ptr->flags2 & RF2_PASS_WALL) && ((m_idx != p_ptr->riding) || p_ptr->pass_wall));
 
-       /* Flow towards the player */
-       if (!stupid_monsters)
+       /* Counter attack to an enemy monster */
+       if (!will_run && m_ptr->target_y)
        {
-               /* Flow towards the player */
-               (void)get_moves_aux(m_idx, &y2, &x2, no_flow);
-       }
+               int t_m_idx = cave[m_ptr->target_y][m_ptr->target_x].m_idx;
 
-       can_pass_wall = ((r_ptr->flags2 & RF2_PASS_WALL) && ((m_idx != p_ptr->riding) || (p_ptr->pass_wall)));
-
-       /* Extract the "pseudo-direction" */
-       y = m_ptr->fy - y2;
-       x = m_ptr->fx - x2;
+               /* The monster must be an enemy, and in LOS */
+               if (t_m_idx &&
+                   are_enemies(m_ptr, &m_list[t_m_idx]) &&
+                   los(m_ptr->fy, m_ptr->fx, m_ptr->target_y, m_ptr->target_x) &&
+                   projectable(m_ptr->fy, m_ptr->fx, m_ptr->target_y, m_ptr->target_x))
+               {
+                       /* Extract the "pseudo-direction" */
+                       y = m_ptr->fy - m_ptr->target_y;
+                       x = m_ptr->fx - m_ptr->target_x;
+                       done = TRUE;
+               }
+       }
 
-       if (!stupid_monsters && !will_run && is_hostile(m_ptr) &&
+       if (!done && !will_run && is_hostile(m_ptr) &&
            (r_ptr->flags1 & RF1_FRIENDS) &&
-           (los(m_ptr->fy, m_ptr->fx, py, px) ||
+           ((los(m_ptr->fy, m_ptr->fx, py, px) && projectable(m_ptr->fy, m_ptr->fx, py, px)) ||
            (cave[m_ptr->fy][m_ptr->fx].dist < MAX_SIGHT / 2)))
        {
        /*
@@ -1152,18 +1115,15 @@ static bool get_moves(int m_idx, int *mm)
                        /* Count room grids next to player */
                        for (i = 0; i < 8; i++)
                        {
-                               int x = px + ddx_ddd[i];
-                               int y = py + ddy_ddd[i];
-                               
-                               cave_type *c_ptr;
+                               int xx = px + ddx_ddd[i];
+                               int yy = py + ddy_ddd[i];
 
-                               if (!in_bounds2(yx)) continue;
-                               
-                               c_ptr = &cave[y][x];
+                               if (!in_bounds2(yy, xx)) continue;
+
+                               c_ptr = &cave[yy][xx];
 
                                /* Check grid */
-                               if (((cave_floor_grid(c_ptr)) || ((c_ptr->feat & 0x60) == 0x60)) &&
-                                        monster_can_cross_terrain(c_ptr->feat, r_ptr))
+                               if (monster_can_cross_terrain(c_ptr->feat, r_ptr, 0))
                                {
                                        /* One more room grid */
                                        room++;
@@ -1206,8 +1166,7 @@ static bool get_moves(int m_idx, int *mm)
                                if (!in_bounds2(y2, x2)) continue;
 
                                /* Ignore filled grids */
-                               c_ptr = &cave[y2][x2];
-                               if (!cave_empty_grid(c_ptr)) continue;
+                               if (!monster_can_enter(y2, x2, r_ptr, 0)) continue;
 
                                /* Try to fill this hole */
                                break;
@@ -1222,8 +1181,20 @@ static bool get_moves(int m_idx, int *mm)
                }
        }
 
+       if (!done)
+       {
+               /* Flow towards the player */
+               (void)get_moves_aux(m_idx, &y2, &x2, no_flow);
+
+               /* Extract the "pseudo-direction" */
+               y = m_ptr->fy - y2;
+               x = m_ptr->fx - x2;
+
+               /* Not done */
+       }
+
        /* Apply fear if possible and necessary */
-       if ((stupid_monsters || is_pet(m_ptr)) && will_run)
+       if (is_pet(m_ptr) && will_run)
        {
                /* XXX XXX Not very "smart" */
                y = (-y), x = (-x);
@@ -1232,31 +1203,32 @@ static bool get_moves(int m_idx, int *mm)
        {
                if (!done && will_run)
                {
+                       int tmp_x = (-x);
+                       int tmp_y = (-y);
+
                        /* Try to find safe place */
-                       if (!find_safety(m_idx, &y, &x))
-                       {
-                               /* This is not a very "smart" method XXX XXX */
-                               y = (-y);
-                               x = (-x);
-                       }
-                       else
+                       if (find_safety(m_idx, &y, &x))
                        {
                                /* Attempt to avoid the player */
-                               if (!stupid_monsters && !no_flow)
+                               if (!no_flow)
                                {
                                        /* Adjust movement */
-                                       (void)get_fear_moves_aux(m_idx, &y, &x);
+                                       if (get_fear_moves_aux(m_idx, &y, &x)) done = TRUE;
                                }
                        }
+
+                       if (!done)
+                       {
+                               /* This is not a very "smart" method XXX XXX */
+                               y = tmp_y;
+                               x = tmp_x;
+                       }
                }
        }
 
 
-       if (!stupid_monsters)
-       {
-               /* Check for no move */
-               if (!x && !y) return (FALSE);
-       }
+       /* Check for no move */
+       if (!x && !y) return (FALSE);
 
 
        /* Extract the "absolute distances" */
@@ -1268,15 +1240,8 @@ static bool get_moves(int m_idx, int *mm)
        if (x > 0) move_val += 4;
 
        /* Prevent the diamond maneuvre */
-       if (ay > (ax << 1))
-       {
-               move_val++;
-               move_val++;
-       }
-       else if (ax > (ay << 1))
-       {
-               move_val++;
-       }
+       if (ay > (ax << 1)) move_val += 2;
+       else if (ax > (ay << 1)) move_val++;
 
        /* Extract some directions */
        switch (move_val)
@@ -1451,6 +1416,12 @@ static int check_hit2(int power, int level, int ac, int stun)
 }
 
 
+#define BLOW_EFFECT_TYPE_NONE  0
+#define BLOW_EFFECT_TYPE_FEAR  1
+#define BLOW_EFFECT_TYPE_SLEEP 2
+#define BLOW_EFFECT_TYPE_HEAL  3
+
+
 /* Monster attacks monster */
 static bool monst_attack_monst(int m_idx, int t_idx)
 {
@@ -1464,13 +1435,14 @@ static bool monst_attack_monst(int m_idx, int t_idx)
        int             ac, rlev, pt;
        char            m_name[80], t_name[80];
        char            temp[80];
-       bool            blinked, heal_effect;
+       bool            blinked;
        bool            explode = FALSE, touched = FALSE, fear = FALSE;
        int             y_saver = t_ptr->fy;
        int             x_saver = t_ptr->fx;
+       int             effect_type;
 
-       bool see_m = m_ptr->ml;
-       bool see_t = t_ptr->ml;
+       bool see_m = is_seen(m_ptr);
+       bool see_t = is_seen(t_ptr);
        bool see_either = see_m || see_t;
 
        /* Can the player be aware of this attack? */
@@ -1485,9 +1457,6 @@ static bool monst_attack_monst(int m_idx, int t_idx)
 
        if (d_info[dungeon_type].flags1 & DF1_NO_MELEE) return (FALSE);
 
-       /* Wake it up */
-       t_ptr->csleep = 0;
-
        /* Total armor */
        ac = tr_ptr->ac;
 
@@ -1535,55 +1504,24 @@ static bool monst_attack_monst(int m_idx, int t_idx)
                /* Hack -- no more attacks */
                if (!method) break;
 
-               if (blinked) /* Stop! */
-               {
-                       /* break; */
-               }
-
                if (method == RBM_SHOOT) continue;
 
                /* Extract the attack "power" */
-               switch (effect)
-               {
-               case RBE_HURT:          power = 60; break;
-               case RBE_POISON:        power =  5; break;
-               case RBE_UN_BONUS:      power = 20; break;
-               case RBE_UN_POWER:      power = 15; break;
-               case RBE_EAT_GOLD:      power =  5; break;
-               case RBE_EAT_ITEM:      power =  5; break;
-               case RBE_EAT_FOOD:      power =  5; break;
-               case RBE_EAT_LITE:      power =  5; break;
-               case RBE_ACID:          power =  0; break;
-               case RBE_ELEC:          power = 10; break;
-               case RBE_FIRE:          power = 10; break;
-               case RBE_COLD:          power = 10; break;
-               case RBE_BLIND:         power =  2; break;
-               case RBE_CONFUSE:       power = 10; break;
-               case RBE_TERRIFY:       power = 10; break;
-               case RBE_PARALYZE:      power =  2; break;
-               case RBE_LOSE_STR:      power =  0; break;
-               case RBE_LOSE_DEX:      power =  0; break;
-               case RBE_LOSE_CON:      power =  0; break;
-               case RBE_LOSE_INT:      power =  0; break;
-               case RBE_LOSE_WIS:      power =  0; break;
-               case RBE_LOSE_CHR:      power =  0; break;
-               case RBE_LOSE_ALL:      power =  2; break;
-               case RBE_SHATTER:       power = 60; break;
-               case RBE_EXP_10:        power =  5; break;
-               case RBE_EXP_20:        power =  5; break;
-               case RBE_EXP_40:        power =  5; break;
-               case RBE_EXP_80:        power =  5; break;
-               case RBE_DISEASE:       power =  5; break;
-               case RBE_TIME:          power =  5; break;
-               case RBE_EXP_VAMP:      power =  5; break;
-               case RBE_DR_MANA:       power =  5; break;
-               case RBE_SUPERHURT:     power = 60; break;
-               }
-
+               power = mbe_info[effect].power;
 
                /* Monster hits */
-               if (!effect || check_hit2(power, rlev, ac, m_ptr->stunned))
+               if (!effect || check_hit2(power, rlev, ac, MON_STUNNED(m_ptr)))
                {
+                       /* Wake it up */
+                       (void)set_monster_csleep(t_idx, 0);
+
+                       if (t_ptr->ml)
+                       {
+                               /* Redraw the health bar */
+                               if (p_ptr->health_who == t_idx) p_ptr->redraw |= (PR_HEALTH);
+                               if (p_ptr->riding == t_idx) p_ptr->redraw |= (PR_UHEALTH);
+                       }
+
                        /* Describe the attack method */
                        switch (method)
                        {
@@ -1880,17 +1818,19 @@ act = "%s
                        /* Message */
                        if (act && see_either)
                        {
+#ifdef JP
+                               if (do_silly_attack) act = silly_attacks2[randint0(MAX_SILLY_ATTACK)];
+                               strfmt(temp, act, t_name);
+                               msg_format("%^s¤Ï%s", m_name, temp);
+#else
                                if (do_silly_attack)
                                {
                                        act = silly_attacks[randint0(MAX_SILLY_ATTACK)];
+                                       strfmt(temp, "%s %s.", act, t_name);
                                }
-                               strfmt(temp, act, t_name);
-#ifdef JP
-                               msg_format("%^s¤Ï%s", m_name, temp);
-#else
+                               else strfmt(temp, act, t_name);
                                msg_format("%^s %s", m_name, temp);
 #endif
-
                        }
 
                        /* Hack -- assume all attacks are obvious */
@@ -1899,8 +1839,8 @@ act = "%s
                        /* Roll out the damage */
                        damage = damroll(d_dice, d_side);
 
-                       /* Assume no healing effect */
-                       heal_effect = FALSE;
+                       /* Assume no effect */
+                       effect_type = BLOW_EFFECT_TYPE_NONE;
 
                        pt = GF_MISSILE;
 
@@ -1908,146 +1848,103 @@ act = "%s
                        switch (effect)
                        {
                        case 0:
-                               {
-                                       damage = 0;
-                                       pt = 0;
-                                       break;
-                               }
+                       case RBE_DR_MANA:
+                               damage = pt = 0;
+                               break;
 
                        case RBE_SUPERHURT:
+                               if ((randint1(rlev*2+250) > (ac+200)) || one_in_(13))
                                {
-                                       if ((randint1(rlev*2+250) > (ac+200)) || one_in_(13)) {
-                                               int tmp_damage = damage-(damage*((ac < 150) ? ac : 150)/250);
-                                               damage = MAX(damage, tmp_damage*2);
-                                               break;
-                                       }
-                               }
-                       case RBE_HURT:
-                               {
-                                       damage -= (damage * ((ac < 150) ? ac : 150) / 250);
+                                       int tmp_damage = damage - (damage * ((ac < 150) ? ac : 150) / 250);
+                                       damage = MAX(damage, tmp_damage * 2);
                                        break;
                                }
 
+                               /* Fall through */
+
+                       case RBE_HURT:
+                               damage -= (damage * ((ac < 150) ? ac : 150) / 250);
+                               break;
+
                        case RBE_POISON:
                        case RBE_DISEASE:
-                               {
-                                       pt = GF_POIS;
-                                       break;
-                               }
+                               pt = GF_POIS;
+                               break;
 
                        case RBE_UN_BONUS:
                        case RBE_UN_POWER:
-                               {
-                                       pt = GF_DISENCHANT;
-                                       break;
-                               }
-
-                       case RBE_EAT_FOOD:
-                       case RBE_EAT_LITE:
-                       case RBE_DR_MANA:
-                               {
-                                       pt = damage = 0;
-                                       break;
-                               }
+                               pt = GF_DISENCHANT;
+                               break;
 
                        case RBE_EAT_ITEM:
                        case RBE_EAT_GOLD:
-                               {
-                                       pt = damage = 0;
-                                       if (one_in_(2)) blinked = TRUE;
-                                       break;
-                               }
+                               if ((p_ptr->riding != m_idx) && one_in_(2)) blinked = TRUE;
+                               break;
+
+                       case RBE_EAT_FOOD:
+                       case RBE_EAT_LITE:
+                       case RBE_BLIND:
+                       case RBE_LOSE_STR:
+                       case RBE_LOSE_INT:
+                       case RBE_LOSE_WIS:
+                       case RBE_LOSE_DEX:
+                       case RBE_LOSE_CON:
+                       case RBE_LOSE_CHR:
+                       case RBE_LOSE_ALL:
+                               break;
 
                        case RBE_ACID:
-                               {
-                                       pt = GF_ACID;
-                                       break;
-                               }
+                               pt = GF_ACID;
+                               break;
 
                        case RBE_ELEC:
-                               {
-                                       pt = GF_ELEC;
-                                       break;
-                               }
+                               pt = GF_ELEC;
+                               break;
 
                        case RBE_FIRE:
-                               {
-                                       pt = GF_FIRE;
-                                       break;
-                               }
+                               pt = GF_FIRE;
+                               break;
 
                        case RBE_COLD:
-                               {
-                                       pt = GF_COLD;
-                                       break;
-                               }
-
-                       case RBE_BLIND:
-                               {
-                                       break;
-                               }
+                               pt = GF_COLD;
+                               break;
 
                        case RBE_CONFUSE:
-                               {
-                                       pt = GF_CONFUSION;
-                                       break;
-                               }
+                               pt = GF_CONFUSION;
+                               break;
 
                        case RBE_TERRIFY:
-                               {
-                                       pt = GF_TURN_ALL;
-                                       break;
-                               }
+                               effect_type = BLOW_EFFECT_TYPE_FEAR;
+                               break;
 
                        case RBE_PARALYZE:
-                               {
-                                       pt = GF_OLD_SLEEP; /* sort of close... */
-                                       break;
-                               }
+                               effect_type = BLOW_EFFECT_TYPE_SLEEP;
+                               break;
 
-                       case RBE_LOSE_STR:
-                       case RBE_LOSE_INT:
-                       case RBE_LOSE_WIS:
-                       case RBE_LOSE_DEX:
-                       case RBE_LOSE_CON:
-                       case RBE_LOSE_CHR:
-                       case RBE_LOSE_ALL:
-                               {
-                                       break;
-                               }
                        case RBE_SHATTER:
-                               {
-                                       if (damage > 23)
-                                       {
-                                               earthquake(m_ptr->fy, m_ptr->fx, 8);
-                                       }
-                                       break;
-                               }
+                               damage -= (damage * ((ac < 150) ? ac : 150) / 250);
+                               if (damage > 23) earthquake_aux(m_ptr->fy, m_ptr->fx, 8, m_idx);
+                               break;
+
                        case RBE_EXP_10:
                        case RBE_EXP_20:
                        case RBE_EXP_40:
                        case RBE_EXP_80:
-                               {
-                                       pt = GF_NETHER;
-                                       break;
-                               }
+                               pt = GF_NETHER;
+                               break;
+
                        case RBE_TIME:
-                               {
-                                       pt = GF_TIME;
-                                       break;
-                               }
+                               pt = GF_TIME;
+                               break;
+
                        case RBE_EXP_VAMP:
-                               {
-                                       pt = GF_OLD_DRAIN;
-                                       heal_effect = TRUE;
-                                       break;
-                               }
+                               pt = GF_OLD_DRAIN;
+                               effect_type = BLOW_EFFECT_TYPE_HEAL;
+                               break;
 
                        default:
-                               {
-                                       pt = 0;
-                                       break;
-                               }
+                               pt = 0;
+                               break;
                        }
 
                        if (pt)
@@ -2056,11 +1953,22 @@ act = "%s
                                if (!explode)
                                {
                                        project(m_idx, 0, t_ptr->fy, t_ptr->fx,
-                                               (pt == GF_OLD_SLEEP ? r_ptr->level : damage), pt, PROJECT_KILL | PROJECT_STOP | PROJECT_MONSTER, -1);
+                                               damage, pt, PROJECT_KILL | PROJECT_STOP | PROJECT_AIMED, -1);
                                }
 
-                               if (heal_effect)
+                               switch (effect_type)
                                {
+                               case BLOW_EFFECT_TYPE_FEAR:
+                                       project(m_idx, 0, t_ptr->fy, t_ptr->fx,
+                                               damage, GF_TURN_ALL, PROJECT_KILL | PROJECT_STOP | PROJECT_AIMED, -1);
+                                       break;
+
+                               case BLOW_EFFECT_TYPE_SLEEP:
+                                       project(m_idx, 0, t_ptr->fy, t_ptr->fx,
+                                               r_ptr->level, GF_OLD_SLEEP, PROJECT_KILL | PROJECT_STOP | PROJECT_AIMED, -1);
+                                       break;
+
+                               case BLOW_EFFECT_TYPE_HEAL:
                                        if ((monster_living(tr_ptr)) && (damage > 2))
                                        {
                                                bool did_heal = FALSE;
@@ -2079,86 +1987,91 @@ act = "%s
                                                if (see_m && did_heal)
                                                {
 #ifdef JP
-msg_format("%s¤ÏÂÎÎϤò²óÉü¤·¤¿¤è¤¦¤À¡£", m_name);
+                                                       msg_format("%s¤ÏÂÎÎϤò²óÉü¤·¤¿¤è¤¦¤À¡£", m_name);
 #else
                                                        msg_format("%^s appears healthier.", m_name);
 #endif
-
                                                }
                                        }
+                                       break;
                                }
 
                                if (touched)
                                {
                                        /* Aura fire */
-                                       if ((tr_ptr->flags2 & RF2_AURA_FIRE) &&
-                                               !(r_ptr->flags3 & RF3_IM_FIRE) &&
-                                               !(r_ptr->flags3 & RF3_RES_ALL) && m_ptr->r_idx)
+                                       if ((tr_ptr->flags2 & RF2_AURA_FIRE) && m_ptr->r_idx)
                                        {
-                                               if (see_either)
+                                               if (!(r_ptr->flagsr & RFR_EFF_IM_FIRE_MASK))
                                                {
-                                                       blinked = FALSE;
+                                                       if (see_either)
+                                                       {
 #ifdef JP
-msg_format("%^s¤ÏÆÍÁ³Ç®¤¯¤Ê¤Ã¤¿¡ª", m_name);
+                                                               msg_format("%^s¤ÏÆÍÁ³Ç®¤¯¤Ê¤Ã¤¿¡ª", m_name);
 #else
-                                                       msg_format("%^s is suddenly very hot!", m_name);
+                                                               msg_format("%^s is suddenly very hot!", m_name);
 #endif
-
-                                                       if (t_ptr->ml)
-                                                               tr_ptr->r_flags2 |= RF2_AURA_FIRE;
+                                                       }
+                                                       if (m_ptr->ml && is_original_ap_and_seen(t_ptr)) tr_ptr->r_flags2 |= RF2_AURA_FIRE;
+                                                       project(t_idx, 0, m_ptr->fy, m_ptr->fx,
+                                                               damroll (1 + ((tr_ptr->level) / 26),
+                                                               1 + ((tr_ptr->level) / 17)),
+                                                               GF_FIRE, PROJECT_KILL | PROJECT_STOP | PROJECT_AIMED, -1);
+                                               }
+                                               else
+                                               {
+                                                       if (is_original_ap_and_seen(m_ptr)) r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_FIRE_MASK);
                                                }
-                                               project(t_idx, 0, m_ptr->fy, m_ptr->fx,
-                                                       damroll (1 + ((tr_ptr->level) / 26),
-                                                       1 + ((tr_ptr->level) / 17)),
-                                                       GF_FIRE, PROJECT_KILL | PROJECT_STOP | PROJECT_MONSTER, -1);
                                        }
 
                                        /* Aura cold */
-                                       if ((tr_ptr->flags3 & RF3_AURA_COLD) &&
-                                               !(r_ptr->flags3 & RF3_IM_COLD) &&
-                                               !(r_ptr->flags3 & RF3_RES_ALL) && m_ptr->r_idx)
+                                       if ((tr_ptr->flags3 & RF3_AURA_COLD) && m_ptr->r_idx)
                                        {
-                                               if (see_either)
+                                               if (!(r_ptr->flagsr & RFR_EFF_IM_COLD_MASK))
                                                {
-                                                       blinked = FALSE;
+                                                       if (see_either)
+                                                       {
 #ifdef JP
-msg_format("%^s¤ÏÆÍÁ³´¨¤¯¤Ê¤Ã¤¿¡ª", m_name);
+                                                               msg_format("%^s¤ÏÆÍÁ³´¨¤¯¤Ê¤Ã¤¿¡ª", m_name);
 #else
-                                                       msg_format("%^s is suddenly very cold!", m_name);
+                                                               msg_format("%^s is suddenly very cold!", m_name);
 #endif
-
-                                                       if (t_ptr->ml)
-                                                               tr_ptr->r_flags3 |= RF3_AURA_COLD;
+                                                       }
+                                                       if (m_ptr->ml && is_original_ap_and_seen(t_ptr)) tr_ptr->r_flags3 |= RF3_AURA_COLD;
+                                                       project(t_idx, 0, m_ptr->fy, m_ptr->fx,
+                                                               damroll (1 + ((tr_ptr->level) / 26),
+                                                               1 + ((tr_ptr->level) / 17)),
+                                                               GF_COLD, PROJECT_KILL | PROJECT_STOP | PROJECT_AIMED, -1);
+                                               }
+                                               else
+                                               {
+                                                       if (is_original_ap_and_seen(m_ptr)) r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_COLD_MASK);
                                                }
-                                               project(t_idx, 0, m_ptr->fy, m_ptr->fx,
-                                                       damroll (1 + ((tr_ptr->level) / 26),
-                                                       1 + ((tr_ptr->level) / 17)),
-                                                       GF_COLD, PROJECT_KILL | PROJECT_STOP | PROJECT_MONSTER, -1);
                                        }
 
                                        /* Aura elec */
-                                       if ((tr_ptr->flags2 & (RF2_AURA_ELEC)) &&
-                                               !(r_ptr->flags3 & (RF3_IM_ELEC)) &&
-                                               !(r_ptr->flags3 & RF3_RES_ALL) && m_ptr->r_idx)
+                                       if ((tr_ptr->flags2 & RF2_AURA_ELEC) && m_ptr->r_idx)
                                        {
-                                               if (see_either)
+                                               if (!(r_ptr->flagsr & RFR_EFF_IM_ELEC_MASK))
                                                {
-                                                       blinked = FALSE;
+                                                       if (see_either)
+                                                       {
 #ifdef JP
-msg_format("%^s¤ÏÅÅ·â¤ò¿©¤é¤Ã¤¿¡ª", m_name);
+                                                               msg_format("%^s¤ÏÅÅ·â¤ò¿©¤é¤Ã¤¿¡ª", m_name);
 #else
-                                                       msg_format("%^s gets zapped!", m_name);
+                                                               msg_format("%^s gets zapped!", m_name);
 #endif
-
-                                                       if (t_ptr->ml)
-                                                               tr_ptr->r_flags2 |= RF2_AURA_ELEC;
+                                                       }
+                                                       if (m_ptr->ml && is_original_ap_and_seen(t_ptr)) tr_ptr->r_flags2 |= RF2_AURA_ELEC;
+                                                       project(t_idx, 0, m_ptr->fy, m_ptr->fx,
+                                                               damroll (1 + ((tr_ptr->level) / 26),
+                                                               1 + ((tr_ptr->level) / 17)),
+                                                               GF_ELEC, PROJECT_KILL | PROJECT_STOP | PROJECT_AIMED, -1);
+                                               }
+                                               else
+                                               {
+                                                       if (is_original_ap_and_seen(m_ptr)) r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_ELEC_MASK);
                                                }
-                                               project(t_idx, 0, m_ptr->fy, m_ptr->fx,
-                                                       damroll (1 + ((tr_ptr->level) / 26),
-                                                       1 + ((tr_ptr->level) / 17)),
-                                                       GF_ELEC, PROJECT_KILL | PROJECT_STOP | PROJECT_MONSTER, -1);
                                        }
-
                                }
                        }
                }
@@ -2182,16 +2095,18 @@ msg_format("%^s
                        case RBM_ENGULF:
                        case RBM_CHARGE:
                                {
+                                       /* Wake it up */
+                                       (void)set_monster_csleep(t_idx, 0);
+
                                        /* Visible monsters */
                                        if (see_m)
                                        {
                                                /* Message */
 #ifdef JP
-msg_format("%s¤Ï%^s¤Î¹¶·â¤ò¤«¤ï¤·¤¿¡£", t_name,m_name);
+                                               msg_format("%s¤Ï%^s¤Î¹¶·â¤ò¤«¤ï¤·¤¿¡£", t_name,m_name);
 #else
                                                msg_format("%^s misses %s.", m_name, t_name);
 #endif
-
                                        }
 
                                        break;
@@ -2201,7 +2116,7 @@ msg_format("%s
 
 
                /* Analyze "visible" monsters only */
-               if (see_m && !do_silly_attack)
+               if (is_original_ap_and_seen(m_ptr) && !do_silly_attack)
                {
                        /* Count "obvious" attacks (and ones that cause damage) */
                        if (obvious || damage || (r_ptr->r_blows[ap_cnt] > 10))
@@ -2220,47 +2135,46 @@ msg_format("%s
                sound(SOUND_EXPLODE);
 
                /* Cancel Invulnerability */
-               if (m_ptr->invulner) m_ptr->invulner = 0;
+               (void)set_monster_invulner(m_idx, 0, FALSE);
 
 #ifdef JP
-mon_take_hit_mon(FALSE, m_idx, m_ptr->hp + 1, &fear, "¤ÏÇúȯ¤·¤ÆÊ´¡¹¤Ë¤Ê¤Ã¤¿¡£", m_idx);
+               mon_take_hit_mon(m_idx, m_ptr->hp + 1, &fear, "¤ÏÇúȯ¤·¤ÆÊ´¡¹¤Ë¤Ê¤Ã¤¿¡£", m_idx);
 #else
-               mon_take_hit_mon(FALSE, m_idx, m_ptr->hp + 1, &fear, " explodes into tiny shreds.", m_idx);
+               mon_take_hit_mon(m_idx, m_ptr->hp + 1, &fear, " explodes into tiny shreds.", m_idx);
 #endif
 
-
                blinked = FALSE;
        }
 
-
        /* Blink away */
-       if (blinked)
+       if (blinked && m_ptr->r_idx)
        {
                if (see_m)
                {
 #ifdef JP
-msg_print("Å¥ËÀ¤Ï¾Ð¤Ã¤Æƨ¤²¤¿¡ª");
+                       msg_print("Å¥ËÀ¤Ï¾Ð¤Ã¤Æƨ¤²¤¿¡ª");
 #else
                        msg_print("The thief flees laughing!");
 #endif
-
                }
                else if (known)
                {
                        mon_fight = TRUE;
                }
 
-               teleport_away(m_idx, MAX_SIGHT * 2 + 5, FALSE);
+               teleport_away(m_idx, MAX_SIGHT * 2 + 5, 0L);
        }
 
        return TRUE;
 }
 
 
-/*
- * Hack -- local "player stealth" value (see below)
- */
-static u32b noise = 0L;
+static bool check_hp_for_feat_destruction(feature_type *f_ptr, monster_type *m_ptr)
+{
+       return !have_flag(f_ptr->flags, FF_GLASS) ||
+              (r_info[m_ptr->r_idx].flags2 & RF2_STUPID) ||
+              (m_ptr->hp >= MAX(m_ptr->maxhp / 3, 200));
+}
 
 
 /*
@@ -2293,18 +2207,21 @@ static void process_monster(int m_idx)
 {
        monster_type    *m_ptr = &m_list[m_idx];
        monster_race    *r_ptr = &r_info[m_ptr->r_idx];
+       monster_race    *ap_r_ptr = &r_info[m_ptr->ap_r_idx];
 
        int             i, d, oy, ox, ny, nx;
 
        int             mm[8];
 
        cave_type       *c_ptr;
+       feature_type    *f_ptr;
 
        monster_type    *y_ptr;
 
        bool            do_turn;
        bool            do_move;
        bool            do_view;
+       bool            must_alter_to_move;
 
        bool            did_open_door;
        bool            did_bash_door;
@@ -2314,12 +2231,16 @@ static void process_monster(int m_idx)
        bool            did_pass_wall;
        bool            did_kill_wall;
        bool            gets_angry = FALSE;
-       bool            can_pass_wall;
+       bool            can_cross;
        bool            aware = TRUE;
 
        bool            fear;
 
-       if ((m_idx == p_ptr->riding) && !(r_ptr->flags7 & RF7_RIDING))
+       bool            is_riding_mon = (m_idx == p_ptr->riding);
+
+       bool            see_m = is_seen(m_ptr);
+
+       if (is_riding_mon && !(r_ptr->flags7 & RF7_RIDING))
        {
                if (rakuba(0, TRUE))
                {
@@ -2333,7 +2254,7 @@ static void process_monster(int m_idx)
                }
        }
 
-       if ((m_ptr->mflag2 & MFLAG_CHAMELEON) && one_in_(13) && !m_ptr->csleep)
+       if ((m_ptr->mflag2 & MFLAG2_CHAMELEON) && one_in_(13) && !MON_CSLEEP(m_ptr))
        {
                choose_new_monster(m_idx, FALSE, 0);
                r_ptr = &r_info[m_ptr->r_idx];
@@ -2350,21 +2271,54 @@ static void process_monster(int m_idx)
                if (randint0(tmp) > (r_ptr->level+20)) aware = FALSE;
        }
 
-       /* Quantum monsters are odd */
-       if (r_ptr->flags2 & (RF2_QUANTUM))
+       /* Are there its parent? */
+       if (m_ptr->parent_m_idx && !m_list[m_ptr->parent_m_idx].r_idx)
        {
-               /* Sometimes skip move */
-               if (!randint0(2)) return;
+               /* Its parent have gone, it also goes away. */
 
-               /* Sometimes die */
-               if (!randint0((m_idx % 100) + 10) && !(r_ptr->flags1 & RF1_QUESTOR))
+               if (see_m)
                {
-                       bool sad = FALSE;
+                       char m_name[80];
 
-                       if (is_pet(m_ptr) && !(m_ptr->ml))
-                               sad = TRUE;
+                       /* Acquire the monster name */
+                       monster_desc(m_name, m_ptr, 0);
 
-                       if (m_ptr->ml)
+#ifdef JP
+                       msg_format("%s¤Ï¾Ã¤¨µî¤Ã¤¿¡ª", m_name);
+#else
+                       msg_format("%^s disappears!", m_name);
+#endif
+               }
+
+               if (record_named_pet && is_pet(m_ptr) && m_ptr->nickname)
+               {
+                       char m_name[80];
+
+                       monster_desc(m_name, m_ptr, MD_INDEF_VISIBLE);
+                       do_cmd_write_nikki(NIKKI_NAMED_PET, RECORD_NAMED_PET_LOSE_PARENT, m_name);
+               }
+
+               /* Delete the monster */
+               delete_monster_idx(m_idx);
+
+               return;
+       }
+
+       /* Quantum monsters are odd */
+       if (r_ptr->flags2 & (RF2_QUANTUM))
+       {
+               /* Sometimes skip move */
+               if (!randint0(2)) return;
+
+               /* Sometimes die */
+               if (!randint0((m_idx % 100) + 10) && !(r_ptr->flags1 & RF1_QUESTOR))
+               {
+                       bool sad = FALSE;
+
+                       if (is_pet(m_ptr) && !(m_ptr->ml))
+                               sad = TRUE;
+
+                       if (see_m)
                        {
                                char m_name[80];
 
@@ -2373,11 +2327,10 @@ static void process_monster(int m_idx)
 
                                /* Oops */
 #ifdef JP
-msg_format("%s¤Ï¾Ã¤¨µî¤Ã¤¿¡ª", m_name);
+                               msg_format("%s¤Ï¾Ã¤¨µî¤Ã¤¿¡ª", m_name);
 #else
                                msg_format("%^s disappears!", m_name);
 #endif
-
                        }
 
                        /* Generate treasure, etc */
@@ -2389,11 +2342,10 @@ msg_format("%s
                        if (sad)
                        {
 #ifdef JP
-msg_print("¾¯¤·¤Î´ÖÈᤷ¤¤µ¤Ê¬¤Ë¤Ê¤Ã¤¿¡£");
+                               msg_print("¾¯¤·¤Î´ÖÈᤷ¤¤µ¤Ê¬¤Ë¤Ê¤Ã¤¿¡£");
 #else
                                msg_print("You feel sad for a moment.");
 #endif
-
                        }
 
                        return;
@@ -2402,143 +2354,106 @@ msg_print("
 
        if (m_ptr->r_idx == MON_SHURYUUDAN)
 #ifdef JP
-               mon_take_hit_mon(FALSE, m_idx, 1, &fear, "¤ÏÇúȯ¤·¤ÆÊ´¡¹¤Ë¤Ê¤Ã¤¿¡£", m_idx);
+               mon_take_hit_mon(m_idx, 1, &fear, "¤ÏÇúȯ¤·¤ÆÊ´¡¹¤Ë¤Ê¤Ã¤¿¡£", m_idx);
 #else
-               mon_take_hit_mon(FALSE, m_idx, 1, &fear, " explodes into tiny shreds.", m_idx);
+               mon_take_hit_mon(m_idx, 1, &fear, " explodes into tiny shreds.", m_idx);
 #endif
 
-       if ((is_pet(m_ptr) || is_friendly(m_ptr)) && ((r_ptr->flags1 & RF1_UNIQUE) || (r_ptr->flags7 & RF7_UNIQUE_7)) && !p_ptr->inside_battle)
+       if ((is_pet(m_ptr) || is_friendly(m_ptr)) && ((r_ptr->flags1 & RF1_UNIQUE) || (r_ptr->flags7 & RF7_NAZGUL)) && !p_ptr->inside_battle)
        {
                static int riding_pinch = 0;
 
                if (m_ptr->hp < m_ptr->maxhp/3)
                {
-                       bool level_teleport = TRUE;
                        char m_name[80];
                        monster_desc(m_name, m_ptr, 0);
 
-                       if (m_idx == p_ptr->riding && riding_pinch < 2)
+                       if (is_riding_mon && riding_pinch < 2)
                        {
 #ifdef JP
-msg_format("%s¤Ï½ý¤ÎÄˤµ¤Î;¤ê¤¢¤Ê¤¿¤Î«Çû¤«¤éƨ¤ì¤è¤¦¤È¤·¤Æ¤¤¤ë¡£", m_name);
+                               msg_format("%s¤Ï½ý¤ÎÄˤµ¤Î;¤ê¤¢¤Ê¤¿¤Î«Çû¤«¤éƨ¤ì¤è¤¦¤È¤·¤Æ¤¤¤ë¡£", m_name);
 #else
-                                       msg_format("%^s seems to be in so much pain, and trying to escape from your restriction.", m_name);
+                               msg_format("%^s seems to be in so much pain, and trying to escape from your restriction.", m_name);
 #endif
                                riding_pinch++;
-                               level_teleport = FALSE;
                                disturb(1, 0);
                        }
-                       else if (m_ptr->ml)
+                       else
                        {
-                               if (m_idx == p_ptr->riding)
+                               if (is_riding_mon)
                                {
 #ifdef JP
-msg_format("%s¤Ï¤¢¤Ê¤¿¤Î«Çû¤«¤éæ½Ð¤·¤¿¡£", m_name);
+                                       msg_format("%s¤Ï¤¢¤Ê¤¿¤Î«Çû¤«¤éæ½Ð¤·¤¿¡£", m_name);
 #else
                                        msg_format("%^s succeeded to escape from your restriction!", m_name);
 #endif
-                               }
-                               if ((r_ptr->flags2 & RF2_CAN_SPEAK) && (m_ptr->r_idx != MON_GRIP) && (m_ptr->r_idx != MON_WOLF) && (m_ptr->r_idx != MON_FANG))
-                               {
+                                       if (rakuba(-1, FALSE))
+                                       {
 #ifdef JP
-msg_format("%^s¡Ö¥Ô¥ó¥Á¤À¡ªÂàµÑ¤µ¤»¤Æ¤â¤é¤¦¡ª¡×", m_name);
+                                               msg_print("ÃÏÌ̤ËÍî¤È¤µ¤ì¤¿¡£");
 #else
-                                       msg_format("%^s says 'It is the pinch! I will retreat'.", m_name);
+                                               msg_print("You have fallen from riding pet.");
 #endif
+                                       }
                                }
+
+                               if (see_m)
+                               {
+                                       if ((r_ptr->flags2 & RF2_CAN_SPEAK) && (m_ptr->r_idx != MON_GRIP) && (m_ptr->r_idx != MON_WOLF) && (m_ptr->r_idx != MON_FANG) &&
+                                           player_has_los_bold(m_ptr->fy, m_ptr->fx) && projectable(m_ptr->fy, m_ptr->fx, py, px))
+                                       {
 #ifdef JP
-msg_format("%^s¤¬¥Æ¥ì¥Ý¡¼¥È¡¦¥ì¥Ù¥ë¤Î´¬Êª¤òÆɤó¤À¡£", m_name);
+                                               msg_format("%^s¡Ö¥Ô¥ó¥Á¤À¡ªÂàµÑ¤µ¤»¤Æ¤â¤é¤¦¡ª¡×", m_name);
 #else
-                               msg_format("%^s read a scroll of teleport level.", m_name);
+                                               msg_format("%^s says 'It is the pinch! I will retreat'.", m_name);
 #endif
+                                       }
 #ifdef JP
-msg_format("%^s¤¬¾Ã¤¨µî¤Ã¤¿¡£", m_name);
+                                       msg_format("%^s¤¬¥Æ¥ì¥Ý¡¼¥È¡¦¥ì¥Ù¥ë¤Î´¬Êª¤òÆɤó¤À¡£", m_name);
+                                       msg_format("%^s¤¬¾Ã¤¨µî¤Ã¤¿¡£", m_name);
 #else
-                               msg_format("%^s disappears.", m_name);
+                                       msg_format("%^s read a scroll of teleport level.", m_name);
+                                       msg_format("%^s disappears.", m_name);
 #endif
-                       }
-
-                       if (level_teleport)
-                       {
-                               delete_monster_idx(m_idx);
+                               }
 
-                               if (m_idx == p_ptr->riding)
+                               if (is_riding_mon && rakuba(-1, FALSE))
                                {
-                                       if (rakuba(-1, FALSE))
-                                       {
 #ifdef JP
-msg_print("ÃÏÌ̤ËÍî¤È¤µ¤ì¤¿¡£");
+                                       msg_print("ÃÏÌ̤ËÍî¤È¤µ¤ì¤¿¡£");
 #else
-                                                msg_print("You have fallen from riding pet.");
+                                       msg_print("You have fallen from riding pet.");
 #endif
-                                       }
                                }
+
+                               /* Check for quest completion */
+                               check_quest_completion(m_ptr);
+
+                               delete_monster_idx(m_idx);
+
                                return;
                        }
                }
                else
-                       if (m_idx == p_ptr->riding) riding_pinch = 0;
-                       
-       }
-
-       /* Handle Invulnerability */
-       if (m_ptr->invulner)
-       {
-               /* Reduce by one, note if expires */
-               m_ptr->invulner--;
-
-               if (!(m_ptr->invulner) && m_ptr->ml)
                {
-                       char m_name[80];
-
-                       /* Acquire the monster name */
-                       monster_desc(m_name, m_ptr, 0);
-
-                       /* Dump a message */
-#ifdef JP
-msg_format("%^s¤Ï¤â¤¦ÌµÅ¨¤Ç¤Ê¤¤¡£", m_name);
-#else
-                       msg_format("%^s is no longer invulnerable.", m_name);
-#endif
-
-                       m_ptr->energy_need += ENERGY_NEED();
-                       if (p_ptr->health_who == m_idx) p_ptr->redraw |= (PR_HEALTH);
-                       if (p_ptr->riding == m_idx) p_ptr->redraw |= (PR_UHEALTH);
+                       /* Reset the counter */
+                       if (is_riding_mon) riding_pinch = 0;
                }
        }
 
-       /* Handle fast */
-       if (m_ptr->fast)
+       /* Handle "sleep" */
+       if (MON_CSLEEP(m_ptr))
        {
-               /* Reduce by one, note if expires */
-               m_ptr->fast--;
-
-               if (!(m_ptr->fast) && m_ptr->ml)
-               {
-                       char m_name[80];
-
-                       /* Acquire the monster name */
-                       monster_desc(m_name, m_ptr, 0);
-
-                       /* Dump a message */
-#ifdef JP
-msg_format("%^s¤Ï¤â¤¦²Ã®¤µ¤ì¤Æ¤¤¤Ê¤¤¡£", m_name);
-#else
-                       msg_format("%^s is no longer fast.", m_name);
-#endif
+               /* Handle non-aggravation - Still sleeping */
+               if (!(p_ptr->cursed & TRC_AGGRAVATE)) return;
 
-                       if (p_ptr->health_who == m_idx) p_ptr->redraw |= (PR_HEALTH);
-                       if (p_ptr->riding == m_idx) p_ptr->redraw |= (PR_UHEALTH);
-               }
-       }
+               /* Handle aggravation */
 
-       /* Handle slow */
-       if (m_ptr->slow)
-       {
-               /* Reduce by one, note if expires */
-               m_ptr->slow--;
+               /* Reset sleep counter */
+               (void)set_monster_csleep(m_idx, 0);
 
-               if (!(m_ptr->slow) && m_ptr->ml)
+               /* Notice the "waking up" */
+               if (m_ptr->ml)
                {
                        char m_name[80];
 
@@ -2547,190 +2462,27 @@ msg_format("%^s
 
                        /* Dump a message */
 #ifdef JP
-msg_format("%^s¤Ï¤â¤¦¸ºÂ®¤µ¤ì¤Æ¤¤¤Ê¤¤¡£", m_name);
+                       msg_format("%^s¤¬Ìܤò³Ð¤Þ¤·¤¿¡£", m_name);
 #else
-                       msg_format("%^s is no longer slow.", m_name);
+                       msg_format("%^s wakes up.", m_name);
 #endif
-
-                       if (p_ptr->health_who == m_idx) p_ptr->redraw |= (PR_HEALTH);
-                       if (p_ptr->riding == m_idx) p_ptr->redraw |= (PR_UHEALTH);
                }
-       }
 
-       /* Handle "sleep" */
-       if (m_ptr->csleep)
-       {
-               u32b notice = 0;
-
-               /* Hack -- handle non-aggravation */
-               if (!(p_ptr->cursed & TRC_AGGRAVATE)) notice = randint0(1024);
-
-               /* Nightmare monsters are more alert */
-               if (ironman_nightmare) notice /= 2;
-
-               /* Hack -- See if monster "notices" player */
-               if ((notice * notice * notice) <= noise)
+               /* Hack -- Count the wakings */
+               if (is_original_ap_and_seen(m_ptr) && (r_ptr->r_wake < MAX_UCHAR))
                {
-                       /* Hack -- amount of "waking" */
-                       int d = 1;
-
-                       /* Wake up faster near the player */
-                       if (m_ptr->cdis < 50) d = (100 / m_ptr->cdis);
-
-                       /* Hack -- handle aggravation */
-                       if (p_ptr->cursed & TRC_AGGRAVATE) d = m_ptr->csleep;
-
-                       /* Still asleep */
-                       if (m_ptr->csleep > d)
-                       {
-                               /* Monster wakes up "a little bit" */
-                               m_ptr->csleep -= d;
-
-                               /* Notice the "not waking up" */
-                               if (m_ptr->ml)
-                               {
-                                       /* Hack -- Count the ignores */
-                                       if (r_ptr->r_ignore < MAX_UCHAR)
-                                       {
-                                               r_ptr->r_ignore++;
-                                       }
-                               }
-                       }
-
-                       /* Just woke up */
-                       else
-                       {
-                               /* Reset sleep counter */
-                               m_ptr->csleep = 0;
-
-                               /* Notice the "waking up" */
-                               if (m_ptr->ml)
-                               {
-                                       char m_name[80];
-
-                                       /* Acquire the monster name */
-                                       monster_desc(m_name, m_ptr, 0);
-
-                                       /* Dump a message */
-#ifdef JP
-msg_format("%^s¤¬Ìܤò³Ð¤Þ¤·¤¿¡£", m_name);
-#else
-                                       msg_format("%^s wakes up.", m_name);
-#endif
-
-
-                                       /* Redraw the health bar */
-                                       if (p_ptr->health_who == m_idx) p_ptr->redraw |= (PR_HEALTH);
-                                       if (p_ptr->riding == m_idx) p_ptr->redraw |= (PR_UHEALTH);
-
-                                       if (r_ptr->flags7 & (RF7_HAS_LITE_1 | RF7_HAS_LITE_2))
-                                               p_ptr->update |= (PU_MON_LITE);
-
-                                       /* Hack -- Count the wakings */
-                                       if (r_ptr->r_wake < MAX_UCHAR)
-                                       {
-                                               r_ptr->r_wake++;
-                                       }
-                               }
-                       }
+                       r_ptr->r_wake++;
                }
-
-               /* Still sleeping */
-               if (m_ptr->csleep) return;
        }
 
-
        /* Handle "stun" */
-       if (m_ptr->stunned)
-       {
-               int d = 1;
-
-               /* Make a "saving throw" against stun */
-               if (randint0(10000) <= r_ptr->level * r_ptr->level)
-               {
-                       /* Recover fully */
-                       d = m_ptr->stunned;
-               }
-
-               /* Hack -- Recover from stun */
-               if (m_ptr->stunned > d)
-               {
-                       /* Recover somewhat */
-                       m_ptr->stunned -= d;
-               }
-
-               /* Fully recover */
-               else
-               {
-                       /* Recover fully */
-                       m_ptr->stunned = 0;
-
-                       /* Message if visible */
-                       if (m_ptr->ml)
-                       {
-                               char m_name[80];
-
-                               /* Acquire the monster name */
-                               monster_desc(m_name, m_ptr, 0);
-
-                               /* Dump a message */
-#ifdef JP
-msg_format("%^s¤ÏÛ¯Û°¾õÂÖ¤«¤éΩ¤Áľ¤Ã¤¿¡£", m_name);
-#else
-                               msg_format("%^s is no longer stunned.", m_name);
-#endif
-
-                               if (p_ptr->health_who == m_idx) p_ptr->redraw |= (PR_HEALTH);
-                               if (p_ptr->riding == m_idx) p_ptr->redraw |= (PR_UHEALTH);
-                       }
-               }
-
-               /* Still stunned */
-               if (m_ptr->stunned && one_in_(2)) return;
-       }
-
-
-       /* Handle confusion */
-       if (m_ptr->confused)
+       if (MON_STUNNED(m_ptr))
        {
-               /* Amount of "boldness" */
-               int d = randint1(r_ptr->level / 20 + 1);
-
-               /* Still confused */
-               if (m_ptr->confused > d)
-               {
-                       /* Reduce the confusion */
-                       m_ptr->confused -= d;
-               }
-
-               /* Recovered */
-               else
-               {
-                       /* No longer confused */
-                       m_ptr->confused = 0;
-
-                       /* Message if visible */
-                       if (m_ptr->ml)
-                       {
-                               char m_name[80];
-
-                               /* Acquire the monster name */
-                               monster_desc(m_name, m_ptr, 0);
-
-                               /* Dump a message */
-#ifdef JP
-msg_format("%^s¤Ïº®Í𤫤éΩ¤Áľ¤Ã¤¿¡£", m_name);
-#else
-                               msg_format("%^s is no longer confused.", m_name);
-#endif
-
-                               if (p_ptr->health_who == m_idx) p_ptr->redraw |= (PR_HEALTH);
-                               if (p_ptr->riding == m_idx) p_ptr->redraw |= (PR_UHEALTH);
-                       }
-               }
+               /* Sometimes skip move */
+               if (one_in_(2)) return;
        }
 
-       if (p_ptr->riding == m_idx)
+       if (is_riding_mon)
        {
                p_ptr->update |= (PU_BONUS);
        }
@@ -2741,68 +2493,29 @@ msg_format("%^s
 
        /* Paranoia... no pet uniques outside wizard mode -- TY */
        if (is_pet(m_ptr) &&
-           ((((r_ptr->flags1 & RF1_UNIQUE) || (r_ptr->flags7 & RF7_UNIQUE_7)) &&
-             ((p_ptr->align > 9 && (r_ptr->flags3 & RF3_EVIL)) ||
-             (p_ptr->align < -9 && (r_ptr->flags3 & RF3_GOOD))))
-            || (r_ptr->flags3 & RF3_RES_ALL)))
+           ((((r_ptr->flags1 & RF1_UNIQUE) || (r_ptr->flags7 & RF7_NAZGUL)) &&
+             monster_has_hostile_align(NULL, 10, -10, r_ptr))
+            || (r_ptr->flagsr & RFR_RES_ALL)))
        {
-                       gets_angry = TRUE;
+               gets_angry = TRUE;
        }
 
        if (p_ptr->inside_battle) gets_angry = FALSE;
 
        if (gets_angry)
        {
-               char m_name[80];
-               monster_desc(m_name, m_ptr, 0);
-#ifdef JP
-msg_format("%^s¤ÏÆÍÁ³Å¨¤Ë¤Þ¤ï¤Ã¤¿¡ª", m_name);
-#else
-               msg_format("%^s suddenly becomes hostile!", m_name);
-#endif
-
-               set_hostile(m_ptr);
-       }
-
-       /* Handle "fear" */
-       if (m_ptr->monfear)
-       {
-               /* Amount of "boldness" */
-               int d = randint1(r_ptr->level / 20 + 1);
-
-               /* Still afraid */
-               if (m_ptr->monfear > d)
+               if (is_pet(m_ptr) || see_m)
                {
-                       /* Reduce the fear */
-                       m_ptr->monfear -= d;
-               }
-
-               /* Recover from fear, take note if seen */
-               else
-               {
-                       /* No longer afraid */
-                       m_ptr->monfear = 0;
-
-                       /* Visual note */
-                       if (m_ptr->ml)
-                       {
-                               char m_name[80];
-                               char m_poss[80];
-
-                               /* Acquire the monster name/poss */
-                               monster_desc(m_name, m_ptr, 0);
-                               monster_desc(m_poss, m_ptr, 0x22);
-
-                               /* Dump a message */
+                       char m_name[80];
+                       monster_desc(m_name, m_ptr, is_pet(m_ptr) ? MD_ASSUME_VISIBLE : 0);
 #ifdef JP
-msg_format("%^s¤Ïͦµ¤¤ò¼è¤êÌᤷ¤¿¡£", m_name);
+                       msg_format("%^s¤ÏÆÍÁ³Å¨¤Ë¤Þ¤ï¤Ã¤¿¡ª", m_name);
 #else
-                               msg_format("%^s recovers %s courage.", m_name, m_poss);
+                       msg_format("%^s suddenly becomes hostile!", m_name);
 #endif
-
-                               if (p_ptr->health_who == m_idx) p_ptr->redraw |= (PR_HEALTH);
-                       }
                }
+
+               set_hostile(m_ptr);
        }
 
        /* Get the origin */
@@ -2834,7 +2547,7 @@ msg_format("%^s
                        if (multiply_monster(m_idx, FALSE, (is_pet(m_ptr) ? PM_FORCE_PET : 0)))
                        {
                                /* Take note if visible */
-                               if (m_ptr->ml)
+                               if (m_list[hack_m_idx_ii].ml && is_original_ap_and_seen(m_ptr))
                                {
                                        r_ptr->r_flags2 |= (RF2_MULTIPLY);
                                }
@@ -2846,6 +2559,34 @@ msg_format("%^s
        }
 
 
+       if (r_ptr->flags6 & RF6_SPECIAL)
+       {
+               /* Hack -- Ohmu scatters molds! */
+               if (m_ptr->r_idx == MON_OHMU)
+               {
+                       if (!p_ptr->inside_arena && !p_ptr->inside_battle)
+                       {
+                               if (r_ptr->freq_spell && (randint1(100) <= r_ptr->freq_spell))
+                               {
+                                       int  k, count = 0;
+                                       int  rlev = ((r_ptr->level >= 1) ? r_ptr->level : 1);
+                                       u32b p_mode = is_pet(m_ptr) ? PM_FORCE_PET : 0L;
+
+                                       for (k = 0; k < 6; k++)
+                                       {
+                                               if (summon_specific(m_idx, m_ptr->fy, m_ptr->fx, rlev, SUMMON_BIZARRE1, (PM_ALLOW_GROUP | p_mode)))
+                                               {
+                                                       if (m_list[hack_m_idx_ii].ml) count++;
+                                               }
+                                       }
+
+                                       if (count && is_original_ap_and_seen(m_ptr)) r_ptr->r_flags6 |= (RF6_SPECIAL);
+                               }
+                       }
+               }
+       }
+
+
        if (!p_ptr->inside_battle)
        {
                /* Hack! "Cyber" monster makes noise... */
@@ -2855,17 +2596,17 @@ msg_format("%^s
                {
                        if (disturb_minor) disturb(FALSE, FALSE);
 #ifdef JP
-msg_print("½Å¸ü¤Ê­²»¤¬Ê¹¤³¤¨¤¿¡£");
+                       msg_print("½Å¸ü¤Ê­²»¤¬Ê¹¤³¤¨¤¿¡£");
 #else
                        msg_print("You hear heavy steps.");
 #endif
-
                }
 
                /* Some monsters can speak */
-               if ((r_info[m_ptr->ap_r_idx].flags2 & RF2_CAN_SPEAK) && aware &&
-                       one_in_(SPEAK_CHANCE) &&
-                       player_has_los_bold(oy, ox))
+               if ((ap_r_ptr->flags2 & RF2_CAN_SPEAK) && aware &&
+                   one_in_(SPEAK_CHANCE) &&
+                   player_has_los_bold(oy, ox) &&
+                   projectable(oy, ox, py, px))
                {
                        char m_name[80];
                        char monmessage[1024];
@@ -2876,42 +2617,36 @@ msg_print("
                                monster_desc(m_name, m_ptr, 0);
                        else
 #ifdef JP
-strcpy(m_name, "¤½¤ì");
+                               strcpy(m_name, "¤½¤ì");
 #else
                                strcpy(m_name, "It");
 #endif
 
-
                        /* Select the file for monster quotes */
-                       if (m_ptr->monfear)
+                       if (MON_MONFEAR(m_ptr))
 #ifdef JP
-filename = "monfear_j.txt";
+                               filename = "monfear_j.txt";
 #else
                                filename = "monfear.txt";
 #endif
-
                        else if (is_pet(m_ptr))
 #ifdef JP
-filename = "monpet_j.txt";
+                               filename = "monpet_j.txt";
 #else
                                filename = "monpet.txt";
 #endif
-
                        else if (is_friendly(m_ptr))
 #ifdef JP
-filename = "monfrien_j.txt";
+                               filename = "monfrien_j.txt";
 #else
                                filename = "monfrien.txt";
 #endif
-
                        else
 #ifdef JP
                                filename = "monspeak_j.txt";
 #else
                                filename = "monspeak.txt";
 #endif
-
-
                        /* Get the monster line */
                        if (get_rnd_line(filename, m_ptr->ap_r_idx, monmessage) == 0)
                        {
@@ -2926,16 +2661,44 @@ msg_format("%^s%s", m_name, monmessage);
                }
        }
 
-       /* Attempt to cast a spell */
-       if (aware && make_attack_spell(m_idx)) return;
+       /* Try to cast spell occasionally */
+       if (r_ptr->freq_spell && randint1(100) <= r_ptr->freq_spell)
+       {
+               bool counterattack = FALSE;
+
+               /* Give priority to counter attack? */
+               if (m_ptr->target_y)
+               {
+                       int t_m_idx = cave[m_ptr->target_y][m_ptr->target_x].m_idx;
 
-       /*
-        * Attempt to cast a spell at an enemy other than the player
-        * (may slow the game a smidgeon, but I haven't noticed.)
-        */
-       if (monst_spell_monst(m_idx)) return;
+                       /* The monster must be an enemy, and projectable */
+                       if (t_m_idx &&
+                           are_enemies(m_ptr, &m_list[t_m_idx]) &&
+                           projectable(m_ptr->fy, m_ptr->fx, m_ptr->target_y, m_ptr->target_x))
+                       {
+                               counterattack = TRUE;
+                       }
+               }
+
+               if (!counterattack)
+               {
+                       /* Attempt to cast a spell */
+                       if (aware && make_attack_spell(m_idx)) return;
+
+                       /*
+                        * Attempt to cast a spell at an enemy other than the player
+                        * (may slow the game a smidgeon, but I haven't noticed.)
+                        */
+                       if (monst_spell_monst(m_idx)) return;
+               }
+               else
+               {
+                       /* Attempt to do counter attack at first */
+                       if (monst_spell_monst(m_idx)) return;
 
-       can_pass_wall = ((r_ptr->flags2 & RF2_PASS_WALL) && ((m_idx != p_ptr->riding) || (p_ptr->pass_wall)));
+                       if (aware && make_attack_spell(m_idx)) return;
+               }
+       }
 
        /* Hack -- Assume no movement */
        mm[0] = mm[1] = mm[2] = mm[3] = 0;
@@ -2943,20 +2706,18 @@ msg_format("%^s%s", m_name, monmessage);
 
 
        /* Confused -- 100% random */
-       if (m_ptr->confused || !aware)
+       if (MON_CONFUSED(m_ptr) || !aware)
        {
                /* Try four "random" directions */
                mm[0] = mm[1] = mm[2] = mm[3] = 5;
        }
 
        /* 75% random movement */
-       else if ((r_ptr->flags1 & RF1_RAND_50) &&
-                               (r_ptr->flags1 & RF1_RAND_25) &&
-                (randint0(100) < 75))
+       else if (((r_ptr->flags1 & (RF1_RAND_50 | RF1_RAND_25)) == (RF1_RAND_50 | RF1_RAND_25)) &&
+                (randint0(100) < 75))
        {
                /* Memorize flags */
-               if (m_ptr->ml) r_ptr->r_flags1 |= (RF1_RAND_50);
-               if (m_ptr->ml) r_ptr->r_flags1 |= (RF1_RAND_25);
+               if (is_original_ap_and_seen(m_ptr)) r_ptr->r_flags1 |= (RF1_RAND_50 | RF1_RAND_25);
 
                /* Try four "random" directions */
                mm[0] = mm[1] = mm[2] = mm[3] = 5;
@@ -2967,7 +2728,7 @@ msg_format("%^s%s", m_name, monmessage);
                                (randint0(100) < 50))
        {
                /* Memorize flags */
-               if (m_ptr->ml) r_ptr->r_flags1 |= (RF1_RAND_50);
+               if (is_original_ap_and_seen(m_ptr)) r_ptr->r_flags1 |= (RF1_RAND_50);
 
                /* Try four "random" directions */
                mm[0] = mm[1] = mm[2] = mm[3] = 5;
@@ -2978,7 +2739,7 @@ msg_format("%^s%s", m_name, monmessage);
                                (randint0(100) < 25))
        {
                /* Memorize flags */
-               if (m_ptr->ml) r_ptr->r_flags1 |= RF1_RAND_25;
+               if (is_original_ap_and_seen(m_ptr)) r_ptr->r_flags1 |= RF1_RAND_25;
 
                /* Try four "random" directions */
                mm[0] = mm[1] = mm[2] = mm[3] = 5;
@@ -3028,7 +2789,7 @@ msg_format("%^s%s", m_name, monmessage);
                                }
 
                                /* Find the player */
-                               get_moves(m_idx, mm);
+                               (void)get_moves(m_idx, mm);
 
                                /* Restore the leash */
                                p_ptr->pet_follow_distance = dis;
@@ -3046,11 +2807,6 @@ msg_format("%^s%s", m_name, monmessage);
                get_enemy_dir(m_idx, mm);
        }
        /* Normal movement */
-       else if (stupid_monsters)
-       {
-               /* Logical moves */
-               get_moves(m_idx, mm);
-       }
        else
        {
                /* Logical moves, may do nothing */
@@ -3061,6 +2817,7 @@ msg_format("%^s%s", m_name, monmessage);
        do_turn = FALSE;
        do_move = FALSE;
        do_view = FALSE;
+       must_alter_to_move = FALSE;
 
        /* Assume nothing */
        did_open_door = FALSE;
@@ -3090,92 +2847,55 @@ msg_format("%^s%s", m_name, monmessage);
 
                /* Access that cave grid */
                c_ptr = &cave[ny][nx];
+               f_ptr = &f_info[c_ptr->feat];
+               can_cross = monster_can_cross_terrain(c_ptr->feat, r_ptr, is_riding_mon ? CEM_RIDING : 0);
 
                /* Access that cave grid's contents */
                y_ptr = &m_list[c_ptr->m_idx];
 
-               /* Floor is open? */
-               if (cave_floor_grid(c_ptr))
-               {
-                       /* Go ahead and move */
-                       do_move = TRUE;
-               }
-
-               /* Hack -- player 'in' wall */
-               else if ((ny == py) && (nx == px))
+               /* Hack -- player 'in' wall */
+               if (player_bold(ny, nx))
                {
                        do_move = TRUE;
                }
 
+               /* Possibly a monster to attack */
                else if (c_ptr->m_idx)
                {
-                       /* Possibly a monster to attack */
-                       do_move = TRUE;
-               }
-
-               /* Permanent wall */
-               else if ((c_ptr->feat >= FEAT_PERM_EXTRA) &&
-                       (c_ptr->feat <= FEAT_PERM_SOLID))
-               {
-                       do_move = FALSE;
-               }
-
-               /* Hack -- semi-transparent terrains are no obstacle */
-               else if (c_ptr->feat == FEAT_TREES)
-               {
-                       do_move = TRUE;
-               }
-
-               /* Hack -- semi-transparent terrains are no obstacle */
-               else if ((c_ptr->feat == FEAT_MOUNTAIN) && ((r_ptr->flags2 & RF2_KILL_WALL) || (!dun_level && ((r_ptr->flags7 & RF7_CAN_FLY) || (r_ptr->flags8 & RF8_WILD_MOUNTAIN)))))
-               {
                        do_move = TRUE;
                }
 
-
-               /* Monster moves through walls (and doors) */
-               else if (can_pass_wall)
+               /* Monster destroys walls (and doors) */
+               else if ((r_ptr->flags2 & RF2_KILL_WALL) &&
+                        (can_cross ? !have_flag(f_ptr->flags, FF_LOS) : !is_riding_mon) &&
+                        have_flag(f_ptr->flags, FF_HURT_DISI) && !have_flag(f_ptr->flags, FF_PERMANENT) &&
+                        check_hp_for_feat_destruction(f_ptr, m_ptr))
                {
-                       /* Pass through walls/doors/rubble */
+                       /* Eat through walls/doors/rubble */
                        do_move = TRUE;
+                       if (!can_cross) must_alter_to_move = TRUE;
 
-                       /* Monster went through a wall */
-                       did_pass_wall = TRUE;
+                       /* Monster destroyed a wall (later) */
+                       did_kill_wall = TRUE;
                }
 
-               /* Monster destroys walls (and doors) */
-               else if ((r_ptr->flags2 & RF2_KILL_WALL) && (m_idx != p_ptr->riding))
+               /* Floor is open? */
+               else if (can_cross)
                {
-                       /* Eat through walls/doors/rubble */
+                       /* Go ahead and move */
                        do_move = TRUE;
 
-                       /* Monster destroyed a wall */
-                       did_kill_wall = TRUE;
-
-                       if (one_in_(GRINDNOISE))
+                       /* Monster moves through walls (and doors) */
+                       if ((r_ptr->flags2 & RF2_PASS_WALL) && (!is_riding_mon || p_ptr->pass_wall) &&
+                           have_flag(f_ptr->flags, FF_CAN_PASS))
                        {
-#ifdef JP
-msg_print("¥®¥·¥®¥·¤¤¤¦²»¤¬Ê¹¤³¤¨¤ë¡£");
-#else
-                               msg_print("There is a grinding sound.");
-#endif
-
+                               /* Monster went through a wall */
+                               did_pass_wall = TRUE;
                        }
-
-                       /* Forget the wall */
-                       c_ptr->info &= ~(CAVE_MARK);
-
-                       /* Notice */
-                       c_ptr->feat = floor_type[randint0(100)];
-
-                       /* Note changes to viewable region */
-                       if (player_has_los_bold(ny, nx)) do_view = TRUE;
                }
 
                /* Handle doors and secret doors */
-               else if (((c_ptr->feat >= FEAT_DOOR_HEAD) &&
-                         (c_ptr->feat <= FEAT_DOOR_TAIL)) ||
-                         (c_ptr->feat == FEAT_SECRET))
+               else if (is_closed_door(c_ptr->feat))
                {
                        bool may_bash = TRUE;
 
@@ -3183,12 +2903,11 @@ msg_print("
                        do_move = FALSE;
 
                        /* Creature can open doors. */
-                       if ((r_ptr->flags2 & RF2_OPEN_DOOR) &&
+                       if ((r_ptr->flags2 & RF2_OPEN_DOOR) && have_flag(f_ptr->flags, FF_OPEN) &&
                                 (!is_pet(m_ptr) || (p_ptr->pet_extra_flags & PF_OPEN_DOORS)))
                        {
-                               /* Closed doors and secret doors */
-                               if ((c_ptr->feat == FEAT_DOOR_HEAD) ||
-                                       (c_ptr->feat == FEAT_SECRET))
+                               /* Closed doors */
+                               if (!f_ptr->power)
                                {
                                        /* The door is open */
                                        did_open_door = TRUE;
@@ -3196,49 +2915,48 @@ msg_print("
                                        /* Do not bash the door */
                                        may_bash = FALSE;
 
-                                       /* Assume no move allowed */
-                                       do_move = TRUE;
+                                       /* Take a turn */
+                                       do_turn = TRUE;
                                }
 
                                /* Locked doors (not jammed) */
-                               else if (c_ptr->feat < FEAT_DOOR_HEAD + 0x08)
+                               else
                                {
-                                       int k;
-
-                                       /* Door power */
-                                       k = ((c_ptr->feat - FEAT_DOOR_HEAD) & 0x07);
-
                                        /* Try to unlock it XXX XXX XXX */
-                                       if (randint0(m_ptr->hp / 10) > k)
+                                       if (randint0(m_ptr->hp / 10) > f_ptr->power)
                                        {
                                                /* Unlock the door */
-                                               cave_set_feat(ny, nx, FEAT_DOOR_HEAD + 0x00);
+                                               cave_alter_feat(ny, nx, FF_DISARM);
 
                                                /* Do not bash the door */
                                                may_bash = FALSE;
+
+                                               /* Take a turn */
+                                               do_turn = TRUE;
                                        }
                                }
                        }
 
                        /* Stuck doors -- attempt to bash them down if allowed */
-                       if (may_bash && (r_ptr->flags2 & RF2_BASH_DOOR) &&
+                       if (may_bash && (r_ptr->flags2 & RF2_BASH_DOOR) && have_flag(f_ptr->flags, FF_BASH) &&
                                (!is_pet(m_ptr) || (p_ptr->pet_extra_flags & PF_OPEN_DOORS)))
                        {
-                               int k;
-
-                               /* Door power */
-                               k = ((c_ptr->feat - FEAT_DOOR_HEAD) & 0x07);
-
                                /* Attempt to Bash XXX XXX XXX */
-                               if (randint0(m_ptr->hp / 10) > k)
+                               if (check_hp_for_feat_destruction(f_ptr, m_ptr) && (randint0(m_ptr->hp / 10) > f_ptr->power))
                                {
                                        /* Message */
+                                       if (have_flag(f_ptr->flags, FF_GLASS))
 #ifdef JP
-msg_print("¥É¥¢¤ò᤭³«¤±¤ë²»¤¬¤·¤¿¡ª");
+                                               msg_print("¥¬¥é¥¹¤¬ºÕ¤±¤ë²»¤¬¤·¤¿¡ª");
 #else
-                                       msg_print("You hear a door burst open!");
+                                               msg_print("You hear a glass was crashed!");
+#endif
+                                       else
+#ifdef JP
+                                               msg_print("¥É¥¢¤ò᤭³«¤±¤ë²»¤¬¤·¤¿¡ª");
+#else
+                                               msg_print("You hear a door burst open!");
 #endif
-
 
                                        /* Disturb (sometimes) */
                                        if (disturb_minor) disturb(0, 0);
@@ -3248,6 +2966,7 @@ msg_print("
 
                                        /* Hack -- fall into doorway */
                                        do_move = TRUE;
+                                       must_alter_to_move = TRUE;
                                }
                        }
 
@@ -3256,25 +2975,37 @@ msg_print("
                        if (did_open_door || did_bash_door)
                        {
                                /* Break down the door */
-                               if (did_bash_door && (randint0(100) < 50))
+                               if (did_bash_door && ((randint0(100) < 50) || (feat_state(c_ptr->feat, FF_OPEN) == c_ptr->feat) || have_flag(f_ptr->flags, FF_GLASS)))
                                {
-                                       cave_set_feat(ny, nx, FEAT_BROKEN);
+                                       cave_alter_feat(ny, nx, FF_BASH);
+
+                                       if (!m_ptr->r_idx) /* Killed by shards of glass, etc. */
+                                       {
+                                               /* Update some things */
+                                               p_ptr->update |= (PU_FLOW);
+                                               p_ptr->window |= (PW_OVERHEAD | PW_DUNGEON);
+                                               if (is_original_ap_and_seen(m_ptr)) r_ptr->r_flags2 |= (RF2_BASH_DOOR);
+
+                                               return;
+                                       }
                                }
 
                                /* Open the door */
                                else
                                {
-                                       cave_set_feat(ny, nx, FEAT_OPEN);
+                                       cave_alter_feat(ny, nx, FF_OPEN);
                                }
 
+                               f_ptr = &f_info[c_ptr->feat];
+
                                /* Handle viewable doors */
-                               if (player_has_los_bold(ny, nx)) do_view = TRUE;
+                               do_view = TRUE;
                        }
                }
 
                /* Hack -- check for Glyph of Warding */
-               if (do_move && (c_ptr->feat == FEAT_GLYPH) &&
-                   !((r_ptr->flags1 & RF1_NEVER_BLOW) && (py == ny) && (px == nx)))
+               if (do_move && is_glyph_grid(c_ptr) &&
+                   !((r_ptr->flags1 & RF1_NEVER_BLOW) && player_bold(ny, nx)))
                {
                        /* Assume no move allowed */
                        do_move = FALSE;
@@ -3286,18 +3017,18 @@ msg_print("
                                if (c_ptr->info & CAVE_MARK)
                                {
 #ifdef JP
-msg_print("¼é¤ê¤Î¥ë¡¼¥ó¤¬²õ¤ì¤¿¡ª");
+                                       msg_print("¼é¤ê¤Î¥ë¡¼¥ó¤¬²õ¤ì¤¿¡ª");
 #else
                                        msg_print("The rune of protection is broken!");
 #endif
-
                                }
 
                                /* Forget the rune */
                                c_ptr->info &= ~(CAVE_MARK);
 
                                /* Break the rune */
-                               c_ptr->feat = floor_type[randint0(100)];
+                               c_ptr->info &= ~(CAVE_OBJECT);
+                               c_ptr->mimic = 0;
 
                                /* Allow movement */
                                do_move = TRUE;
@@ -3306,8 +3037,8 @@ msg_print("
                                note_spot(ny, nx);
                        }
                }
-               else if (do_move && (c_ptr->feat == FEAT_MINOR_GLYPH) &&
-                        !((r_ptr->flags1 & RF1_NEVER_BLOW) && (py == ny) && (px == nx)))
+               else if (do_move && is_explosive_rune_grid(c_ptr) &&
+                        !((r_ptr->flags1 & RF1_NEVER_BLOW) && player_bold(ny, nx)))
                {
                        /* Assume no move allowed */
                        do_move = FALSE;
@@ -3322,7 +3053,7 @@ msg_print("
                                        if (c_ptr->info & CAVE_MARK)
                                        {
 #ifdef JP
-msg_print("¥ë¡¼¥ó¤¬Çúȯ¤·¤¿¡ª");
+                                               msg_print("¥ë¡¼¥ó¤¬Çúȯ¤·¤¿¡ª");
 #else
                                                msg_print("The rune explodes!");
 #endif
@@ -3333,7 +3064,7 @@ msg_print("
                                else
                                {
 #ifdef JP
-msg_print("Çúȯ¤Î¥ë¡¼¥ó¤Ï²ò½ü¤µ¤ì¤¿¡£");
+                                       msg_print("Çúȯ¤Î¥ë¡¼¥ó¤Ï²ò½ü¤µ¤ì¤¿¡£");
 #else
                                        msg_print("An explosive rune was disarmed.");
 #endif
@@ -3343,7 +3074,9 @@ msg_print("
                                c_ptr->info &= ~(CAVE_MARK);
 
                                /* Break the rune */
-                               c_ptr->feat = floor_type[randint0(100)];
+                               c_ptr->info &= ~(CAVE_OBJECT);
+                               c_ptr->mimic = 0;
+
                                note_spot(ny, nx);
                                lite_spot(ny, nx);
 
@@ -3352,79 +3085,95 @@ msg_print("
                                do_move = TRUE;
                        }
                }
-               if (do_move && (ny == py) && (nx == px) && (d_info[dungeon_type].flags1 & DF1_NO_MELEE))
-               {
-                       do_move = FALSE;
-               }
-
-               /* Some monsters never attack */
-               if (do_move && (ny == py) && (nx == px) &&
-                       (r_ptr->flags1 & RF1_NEVER_BLOW))
-               {
-                       /* Hack -- memorize lack of attacks */
-                       if (m_ptr->ml) r_ptr->r_flags1 |= (RF1_NEVER_BLOW);
-
-                       /* Do not move */
-                       do_move = FALSE;
-               }
 
-               /* The player is in the way.  Attack him. */
-               if (do_move && (ny == py) && (nx == px))
+               /* The player is in the way */
+               if (do_move && player_bold(ny, nx))
                {
-                       if (!p_ptr->riding || one_in_(2))
+                       /* Some monsters never attack */
+                       if (r_ptr->flags1 & RF1_NEVER_BLOW)
                        {
-                               /* Do the attack */
-                               (void)make_attack_normal(m_idx);
+                               /* Hack -- memorize lack of attacks */
+                               if (is_original_ap_and_seen(m_ptr)) r_ptr->r_flags1 |= (RF1_NEVER_BLOW);
 
                                /* Do not move */
                                do_move = FALSE;
+                       }
 
-                               /* Took a turn */
-                               do_turn = TRUE;
+                       /* In anti-melee dungeon, stupid or confused monster takes useless turn */
+                       if (do_move && (d_info[dungeon_type].flags1 & DF1_NO_MELEE))
+                       {
+                               if (!MON_CONFUSED(m_ptr))
+                               {
+                                       if (!(r_ptr->flags2 & RF2_STUPID)) do_move = FALSE;
+                                       else
+                                       {
+                                               if (is_original_ap_and_seen(m_ptr)) r_ptr->r_flags2 |= (RF2_STUPID);
+                                       }
+                               }
                        }
-               }
 
-               if ((c_ptr->feat >= FEAT_PATTERN_START) &&
-                       (c_ptr->feat <= FEAT_PATTERN_XTRA2) &&
-                       !do_turn && !(r_ptr->flags7 & RF7_CAN_FLY))
-               {
-                       do_move = FALSE;
-               }
+                       /* The player is in the way.  Attack him. */
+                       if (do_move)
+                       {
+                               if (!p_ptr->riding || one_in_(2))
+                               {
+                                       /* Do the attack */
+                                       (void)make_attack_normal(m_idx);
+
+                                       /* Do not move */
+                                       do_move = FALSE;
 
+                                       /* Took a turn */
+                                       do_turn = TRUE;
+                               }
+                       }
+               }
 
                /* A monster is in the way */
                if (do_move && c_ptr->m_idx)
                {
                        monster_race *z_ptr = &r_info[y_ptr->r_idx];
-                       monster_type *m2_ptr = &m_list[c_ptr->m_idx];
 
                        /* Assume no movement */
                        do_move = FALSE;
 
                        /* Attack 'enemies' */
-                       if (((r_ptr->flags2 & (RF2_KILL_BODY)) &&
-                                 (r_ptr->mexp * r_ptr->level > z_ptr->mexp * z_ptr->level) &&
-                                 (cave_floor_grid(c_ptr)) &&
-                            (c_ptr->m_idx != p_ptr->riding)) ||
-                                are_enemies(m_ptr, m2_ptr) || m_ptr->confused)
+                       if (((r_ptr->flags2 & RF2_KILL_BODY) && !(r_ptr->flags1 & RF1_NEVER_BLOW) &&
+                                (r_ptr->mexp * r_ptr->level > z_ptr->mexp * z_ptr->level) &&
+                                can_cross && (c_ptr->m_idx != p_ptr->riding)) ||
+                               are_enemies(m_ptr, y_ptr) || MON_CONFUSED(m_ptr))
                        {
-                               do_move = FALSE;
+                               if (!(r_ptr->flags1 & RF1_NEVER_BLOW))
+                               {
+                                       if (r_ptr->flags2 & RF2_KILL_BODY)
+                                       {
+                                               if (is_original_ap_and_seen(m_ptr)) r_ptr->r_flags2 |= (RF2_KILL_BODY);
+                                       }
 
-                               if (r_ptr->flags2 & RF2_KILL_BODY) r_ptr->r_flags2 |= (RF2_KILL_BODY);
+                                       /* attack */
+                                       if (y_ptr->r_idx && (y_ptr->hp >= 0))
+                                       {
+                                               if (monst_attack_monst(m_idx, c_ptr->m_idx)) return;
 
-                               /* attack */
-                               if ((m2_ptr->r_idx) && (m2_ptr->hp >= 0))
-                               {
-                                       if (monst_attack_monst(m_idx, cave[ny][nx].m_idx))
-                                       return;
+                                               /* In anti-melee dungeon, stupid or confused monster takes useless turn */
+                                               else if (d_info[dungeon_type].flags1 & DF1_NO_MELEE)
+                                               {
+                                                       if (MON_CONFUSED(m_ptr)) return;
+                                                       else if (r_ptr->flags2 & RF2_STUPID)
+                                                       {
+                                                               if (is_original_ap_and_seen(m_ptr)) r_ptr->r_flags2 |= (RF2_STUPID);
+                                                               return;
+                                                       }
+                                               }
+                                       }
                                }
                        }
 
                        /* Push past weaker monsters (unless leaving a wall) */
-                       else if ((r_ptr->flags2 & RF2_MOVE_BODY) &&
-                               (r_ptr->mexp > z_ptr->mexp) && cave_floor_grid(c_ptr) &&
-                               (cave_floor_grid(&cave[m_ptr->fy][m_ptr->fx])) &&
-                                (c_ptr->m_idx != p_ptr->riding))
+                       else if ((r_ptr->flags2 & RF2_MOVE_BODY) && !(r_ptr->flags1 & RF1_NEVER_MOVE) &&
+                               (r_ptr->mexp > z_ptr->mexp) &&
+                               can_cross && (c_ptr->m_idx != p_ptr->riding) &&
+                               monster_can_cross_terrain(cave[m_ptr->fy][m_ptr->fx].feat, z_ptr, 0))
                        {
                                /* Allow movement */
                                do_move = TRUE;
@@ -3432,17 +3181,73 @@ msg_print("
                                /* Monster pushed past another monster */
                                did_move_body = TRUE;
 
+                               /* Wake up the moved monster */
+                               (void)set_monster_csleep(c_ptr->m_idx, 0);
+
                                /* XXX XXX XXX Message */
                        }
                }
 
+               if (is_riding_mon)
+               {
+                       if (!p_ptr->riding_ryoute && !MON_MONFEAR(&m_list[p_ptr->riding])) do_move = FALSE;
+               }
+
+               if (did_kill_wall && do_move)
+               {
+                       if (one_in_(GRINDNOISE))
+                       {
+                               if (have_flag(f_ptr->flags, FF_GLASS))
+#ifdef JP
+                                       msg_print("²¿¤«¤ÎºÕ¤±¤ë²»¤¬Ê¹¤³¤¨¤ë¡£");
+#else
+                                       msg_print("There is a crashing sound.");
+#endif
+                               else
+#ifdef JP
+                                       msg_print("¥®¥·¥®¥·¤¤¤¦²»¤¬Ê¹¤³¤¨¤ë¡£");
+#else
+                                       msg_print("There is a grinding sound.");
+#endif
+                       }
+
+                       cave_alter_feat(ny, nx, FF_HURT_DISI);
+
+                       if (!m_ptr->r_idx) /* Killed by shards of glass, etc. */
+                       {
+                               /* Update some things */
+                               p_ptr->update |= (PU_FLOW);
+                               p_ptr->window |= (PW_OVERHEAD | PW_DUNGEON);
+                               if (is_original_ap_and_seen(m_ptr)) r_ptr->r_flags2 |= (RF2_KILL_WALL);
+
+                               return;
+                       }
+
+                       f_ptr = &f_info[c_ptr->feat];
+
+                       /* Note changes to viewable region */
+                       do_view = TRUE;
+
+                       /* Take a turn */
+                       do_turn = TRUE;
+               }
+
+               if (must_alter_to_move && (r_ptr->flags7 & RF7_AQUATIC))
+               {
+                       if (!monster_can_cross_terrain(c_ptr->feat, r_ptr, is_riding_mon ? CEM_RIDING : 0))
+                       {
+                               /* Assume no move allowed */
+                               do_move = FALSE;
+                       }
+               }
+
                /*
                 * Check if monster can cross terrain
                 * This is checked after the normal attacks
                 * to allow monsters to attack an enemy,
                 * even if it can't enter the terrain.
                 */
-               if (do_move && !monster_can_cross_terrain(c_ptr->feat, r_ptr))
+               if (do_move && !can_cross && !did_kill_wall && !did_bash_door)
                {
                        /* Assume no move allowed */
                        do_move = FALSE;
@@ -3451,151 +3256,128 @@ msg_print("
                /* Some monsters never move */
                if (do_move && (r_ptr->flags1 & RF1_NEVER_MOVE))
                {
-                       /* Hack -- memorize lack of attacks */
-                       if (m_ptr->ml) r_ptr->r_flags1 |= (RF1_NEVER_MOVE);
+                       /* Hack -- memorize lack of moves */
+                       if (is_original_ap_and_seen(m_ptr)) r_ptr->r_flags1 |= (RF1_NEVER_MOVE);
 
                        /* Do not move */
                        do_move = FALSE;
                }
 
-               if (m_idx == p_ptr->riding)
-               {
-                       if (!p_ptr->riding_ryoute && !(m_list[p_ptr->riding].monfear)) do_move = FALSE;
-               }
-
                /* Creature has been allowed move */
                if (do_move)
                {
-                       s16b this_o_idx, next_o_idx;
-
                        /* Take a turn */
                        do_turn = TRUE;
 
-                       /* Hack -- Update the old location */
-                       cave[oy][ox].m_idx = c_ptr->m_idx;
-
-                       if (cave[ny][nx].feat == FEAT_TREES)
+                       if (have_flag(f_ptr->flags, FF_TREE))
                        {
-                               if (r_ptr->flags2 & RF2_KILL_WALL)
-                               {
-                                       c_ptr->feat = FEAT_GRASS;
-                               }
                                if (!(r_ptr->flags7 & RF7_CAN_FLY) && !(r_ptr->flags8 & RF8_WILD_WOOD))
                                {
                                        m_ptr->energy_need += ENERGY_NEED();
                                }
                        }
 
-                       /* Mega-Hack -- move the old monster, if any */
-                       if (c_ptr->m_idx)
+                       if (!is_riding_mon)
                        {
-                               /* Move the old monster */
-                               y_ptr->fy = oy;
-                               y_ptr->fx = ox;
+                               /* Hack -- Update the old location */
+                               cave[oy][ox].m_idx = c_ptr->m_idx;
 
-                               /* Update the old monster */
-                               update_mon(c_ptr->m_idx, TRUE);
-
-                               /* Wake up the moved monster */
-                               m_list[c_ptr->m_idx].csleep = 0;
-                       }
-
-                       /* Hack -- Update the new location */
-                       c_ptr->m_idx = m_idx;
+                               /* Mega-Hack -- move the old monster, if any */
+                               if (c_ptr->m_idx)
+                               {
+                                       /* Move the old monster */
+                                       y_ptr->fy = oy;
+                                       y_ptr->fx = ox;
 
-                       /* Move the monster */
-                       m_ptr->fy = ny;
-                       m_ptr->fx = nx;
+                                       /* Update the old monster */
+                                       update_mon(c_ptr->m_idx, TRUE);
+                               }
 
-                       /* Update the monster */
-                       update_mon(m_idx, TRUE);
+                               /* Hack -- Update the new location */
+                               c_ptr->m_idx = m_idx;
 
-                       if (p_ptr->riding == m_idx)
-                       {
-                               py = ny;
-                               px = nx;
-                       }
+                               /* Move the monster */
+                               m_ptr->fy = ny;
+                               m_ptr->fx = nx;
 
-                       /* Redraw the old grid */
-                       lite_spot(oy, ox);
+                               /* Update the monster */
+                               update_mon(m_idx, TRUE);
 
-                       /* Redraw the new grid */
-                       lite_spot(ny, nx);
+                               /* Redraw the old grid */
+                               lite_spot(oy, ox);
 
-                       if (p_ptr->riding == m_idx)
+                               /* Redraw the new grid */
+                               lite_spot(ny, nx);
+                       }
+                       else
                        {
-                               verify_panel();
-
-                               /* Update stuff */
-                               p_ptr->update |= (PU_VIEW | PU_LITE | PU_FLOW);
+                               /* Sound */
+                               /* sound(SOUND_WALK); */
 
-                               /* Update the monsters */
-                               p_ptr->update |= (PU_DISTANCE);
-
-                               /* Window stuff */
-                               p_ptr->window |= (PW_OVERHEAD | PW_DUNGEON);
+                               /* Move the player */
+                               if (!move_player_effect(ny, nx, MPE_DONT_PICKUP)) break;
                        }
 
                        /* Possible disturb */
-                       if (m_ptr->ml && (disturb_move ||
-                               ((m_ptr->mflag & MFLAG_VIEW) &&
-                               disturb_near)))
+                       if (m_ptr->ml &&
+                           (disturb_move ||
+                            (disturb_near && (m_ptr->mflag & MFLAG_VIEW) && projectable(py, px, m_ptr->fy, m_ptr->fx)) ||
+                            (disturb_high && ap_r_ptr->r_tkills && ap_r_ptr->level >= p_ptr->lev)))
                        {
                                /* Disturb */
                                if (is_hostile(m_ptr))
                                        disturb(0, 0);
                        }
 
-                       /* Scan all objects in the grid */
-                       for (this_o_idx = c_ptr->o_idx; this_o_idx; this_o_idx = next_o_idx)
+                       /* Take or Kill objects on the floor */
+                       if (c_ptr->o_idx && (r_ptr->flags2 & (RF2_TAKE_ITEM | RF2_KILL_ITEM)) &&
+                           (!is_pet(m_ptr) || ((p_ptr->pet_extra_flags & PF_PICKUP_ITEMS) && (r_ptr->flags2 & RF2_TAKE_ITEM))))
                        {
-                               object_type *o_ptr;
-
-                               /* Acquire object */
-                               o_ptr = &o_list[this_o_idx];
-
-                               /* Acquire next object */
-                               next_o_idx = o_ptr->next_o_idx;
+                               s16b this_o_idx, next_o_idx;
+                               bool do_take = (r_ptr->flags2 & RF2_TAKE_ITEM) ? TRUE : FALSE;
 
-                               /* Skip gold */
-                               if (o_ptr->tval == TV_GOLD) continue;
-
-                               /*
-                                * Skip "real" corpses and statues, to avoid extreme
-                                * silliness like a novice rogue pockets full of statues
-                                * and corpses.
-                                */
-                               if ((o_ptr->tval == TV_CORPSE) ||
-                                   (o_ptr->tval == TV_STATUE)) continue;
-
-                               /* Take or Kill objects on the floor */
-                               if ((r_ptr->flags2 & (RF2_TAKE_ITEM | RF2_KILL_ITEM)) &&
-                                        (!is_pet(m_ptr) || (p_ptr->pet_extra_flags & PF_PICKUP_ITEMS)))
+                               /* Scan all objects in the grid */
+                               for (this_o_idx = c_ptr->o_idx; this_o_idx; this_o_idx = next_o_idx)
                                {
-                                       u32b flgs[TR_FLAG_SIZE];
+                                       u32b flgs[TR_FLAG_SIZE], flg2 = 0L, flg3 = 0L, flgr = 0L;
+                                       char m_name[80], o_name[MAX_NLEN];
 
-                                       u32b flg2 = 0L;
-                                       u32b flg3 = 0L;
+                                       /* Acquire object */
+                                       object_type *o_ptr = &o_list[this_o_idx];
 
-                                       char m_name[80];
-                                       char o_name[MAX_NLEN];
+                                       /* Acquire next object */
+                                       next_o_idx = o_ptr->next_o_idx;
+
+                                       if (do_take)
+                                       {
+                                               /* Skip gold */
+                                               if (o_ptr->tval == TV_GOLD) continue;
+
+                                               /*
+                                                * Skip "real" corpses and statues, to avoid extreme
+                                                * silliness like a novice rogue pockets full of statues
+                                                * and corpses.
+                                                */
+                                               if ((o_ptr->tval == TV_CORPSE) ||
+                                                   (o_ptr->tval == TV_STATUE)) continue;
+                                       }
 
                                        /* Extract some flags */
                                        object_flags(o_ptr, flgs);
 
                                        /* Acquire the object name */
-                                       object_desc(o_name, o_ptr, TRUE, 3);
+                                       object_desc(o_name, o_ptr, 0);
 
                                        /* Acquire the monster name */
-                                       monster_desc(m_name, m_ptr, 0x04);
+                                       monster_desc(m_name, m_ptr, MD_INDEF_HIDDEN);
 
                                        /* React to objects that hurt the monster */
-                                       if (have_flag(flgs, TR_KILL_DRAGON)) flg3 |= (RF3_DRAGON);
                                        if (have_flag(flgs, TR_SLAY_DRAGON)) flg3 |= (RF3_DRAGON);
+                                       if (have_flag(flgs, TR_KILL_DRAGON)) flg3 |= (RF3_DRAGON);
                                        if (have_flag(flgs, TR_SLAY_TROLL))  flg3 |= (RF3_TROLL);
                                        if (have_flag(flgs, TR_KILL_TROLL))  flg3 |= (RF3_TROLL);
-                                       if (have_flag(flgs, TR_KILL_GIANT))  flg3 |= (RF3_GIANT);
                                        if (have_flag(flgs, TR_SLAY_GIANT))  flg3 |= (RF3_GIANT);
+                                       if (have_flag(flgs, TR_KILL_GIANT))  flg3 |= (RF3_GIANT);
                                        if (have_flag(flgs, TR_SLAY_ORC))    flg3 |= (RF3_ORC);
                                        if (have_flag(flgs, TR_KILL_ORC))    flg3 |= (RF3_ORC);
                                        if (have_flag(flgs, TR_SLAY_DEMON))  flg3 |= (RF3_DEMON);
@@ -3608,13 +3390,18 @@ msg_print("
                                        if (have_flag(flgs, TR_KILL_EVIL))   flg3 |= (RF3_EVIL);
                                        if (have_flag(flgs, TR_SLAY_HUMAN))  flg2 |= (RF2_HUMAN);
                                        if (have_flag(flgs, TR_KILL_HUMAN))  flg2 |= (RF2_HUMAN);
+                                       if (have_flag(flgs, TR_BRAND_ACID))  flgr |= (RFR_IM_ACID);
+                                       if (have_flag(flgs, TR_BRAND_ELEC))  flgr |= (RFR_IM_ELEC);
+                                       if (have_flag(flgs, TR_BRAND_FIRE))  flgr |= (RFR_IM_FIRE);
+                                       if (have_flag(flgs, TR_BRAND_COLD))  flgr |= (RFR_IM_COLD);
+                                       if (have_flag(flgs, TR_BRAND_POIS))  flgr |= (RFR_IM_POIS);
 
                                        /* The object cannot be picked up by the monster */
-                                       if (artifact_p(o_ptr) || (r_ptr->flags3 & flg3) || (r_ptr->flags2 & flg2) ||
-                                               (o_ptr->art_name))
+                                       if (object_is_artifact(o_ptr) || (r_ptr->flags3 & flg3) || (r_ptr->flags2 & flg2) ||
+                                           ((~(r_ptr->flagsr) & flgr) && !(r_ptr->flagsr & RFR_RES_ALL)))
                                        {
                                                /* Only give a message for "take_item" */
-                                               if ((r_ptr->flags2 & (RF2_TAKE_ITEM)) && (r_ptr->flags2 & (RF2_STUPID)))
+                                               if (do_take && (r_ptr->flags2 & RF2_STUPID))
                                                {
                                                        /* Take note */
                                                        did_take_item = TRUE;
@@ -3624,16 +3411,16 @@ msg_print("
                                                        {
                                                                /* Dump a message */
 #ifdef JP
-msg_format("%^s¤Ï%s¤ò½¦¤ª¤¦¤È¤·¤¿¤¬¡¢¤À¤á¤À¤Ã¤¿¡£", m_name, o_name);
+                                                               msg_format("%^s¤Ï%s¤ò½¦¤ª¤¦¤È¤·¤¿¤¬¡¢¤À¤á¤À¤Ã¤¿¡£", m_name, o_name);
 #else
-msg_format("%^s tries to pick up %s, but fails.", m_name, o_name);
+                                                               msg_format("%^s tries to pick up %s, but fails.", m_name, o_name);
 #endif
                                                        }
                                                }
                                        }
 
                                        /* Pick up the item */
-                                       else if (r_ptr->flags2 & RF2_TAKE_ITEM)
+                                       else if (do_take)
                                        {
                                                /* Take note */
                                                did_take_item = TRUE;
@@ -3643,18 +3430,17 @@ msg_format("%^s tries to pick up %s, but fails.", m_name, o_name);
                                                {
                                                        /* Dump a message */
 #ifdef JP
-msg_format("%^s¤¬%s¤ò½¦¤Ã¤¿¡£", m_name, o_name);
+                                                       msg_format("%^s¤¬%s¤ò½¦¤Ã¤¿¡£", m_name, o_name);
 #else
                                                        msg_format("%^s picks up %s.", m_name, o_name);
 #endif
-
                                                }
 
                                                /* Excise the object */
                                                excise_object_idx(this_o_idx);
 
                                                /* Forget mark */
-                                               o_ptr->marked = FALSE;
+                                               o_ptr->marked &= OM_TOUCHED;
 
                                                /* Forget location */
                                                o_ptr->iy = o_ptr->ix = 0;
@@ -3680,11 +3466,10 @@ msg_format("%^s
                                                {
                                                        /* Dump a message */
 #ifdef JP
-msg_format("%^s¤¬%s¤òÇ˲õ¤·¤¿¡£", m_name, o_name);
+                                                       msg_format("%^s¤¬%s¤òÇ˲õ¤·¤¿¡£", m_name, o_name);
 #else
                                                        msg_format("%^s destroys %s.", m_name, o_name);
 #endif
-
                                                }
 
                                                /* Delete the object */
@@ -3703,13 +3488,16 @@ msg_format("%^s
         *  Try to flow by smell.
         */
        if (p_ptr->no_flowed && i > 2 &&  m_ptr->target_y)
-               m_ptr->mflag2 &= ~MFLAG_NOFLOW;
+               m_ptr->mflag2 &= ~MFLAG2_NOFLOW;
 
        /* If we haven't done anything, try casting a spell again */
-       if (!do_turn && !do_move && !m_ptr->monfear && !stupid_monsters && !(p_ptr->riding == m_idx) && aware)
+       if (!do_turn && !do_move && !MON_MONFEAR(m_ptr) && !is_riding_mon && aware)
        {
-               /* Cast spell */
-               if (make_attack_spell(m_idx)) return;
+               /* Try to cast spell again */
+               if (r_ptr->freq_spell && randint1(100) <= r_ptr->freq_spell)
+               {
+                       if (make_attack_spell(m_idx)) return;
+               }
        }
 
 
@@ -3717,18 +3505,22 @@ msg_format("%^s
        if (do_view)
        {
                /* Update some things */
-               p_ptr->update |= (PU_VIEW | PU_LITE | PU_FLOW | PU_MONSTERS | PU_MON_LITE);
+               p_ptr->update |= (PU_FLOW);
+
+               /* Window stuff */
+               p_ptr->window |= (PW_OVERHEAD | PW_DUNGEON);
        }
 
        /* Notice changes in view */
-       if (do_move && ((r_ptr->flags7 & (RF7_SELF_LITE_1 | RF7_SELF_LITE_2)) || ((r_ptr->flags7 & (RF7_HAS_LITE_1 | RF7_HAS_LITE_2)) && !p_ptr->inside_battle)))
+       if (do_move && ((r_ptr->flags7 & (RF7_SELF_LD_MASK | RF7_HAS_DARK_1 | RF7_HAS_DARK_2))
+               || ((r_ptr->flags7 & (RF7_HAS_LITE_1 | RF7_HAS_LITE_2)) && !p_ptr->inside_battle)))
        {
                /* Update some things */
                p_ptr->update |= (PU_MON_LITE);
        }
 
        /* Learn things from observable monster */
-       if (m_ptr->ml)
+       if (is_original_ap_and_seen(m_ptr))
        {
                /* Monster opened a door */
                if (did_open_door) r_ptr->r_flags2 |= (RF2_OPEN_DOOR);
@@ -3754,13 +3546,13 @@ msg_format("%^s
 
 
        /* Hack -- get "bold" if out of options */
-       if (!do_turn && !do_move && m_ptr->monfear && aware)
+       if (!do_turn && !do_move && MON_MONFEAR(m_ptr) && aware)
        {
                /* No longer afraid */
-               m_ptr->monfear = 0;
+               (void)set_monster_monfear(m_idx, 0);
 
                /* Message if seen */
-               if (m_ptr->ml)
+               if (see_m)
                {
                        char m_name[80];
 
@@ -3769,14 +3561,14 @@ msg_format("%^s
 
                        /* Dump a message */
 #ifdef JP
-msg_format("%^s¤ÏÀ襤¤ò·è°Õ¤·¤¿¡ª", m_name);
+                       msg_format("%^s¤ÏÀ襤¤ò·è°Õ¤·¤¿¡ª", m_name);
 #else
                        msg_format("%^s turns to fight!", m_name);
 #endif
-
-                       chg_virtue(V_COMPASSION, -1);
                }
 
+               if (m_ptr->ml) chg_virtue(V_COMPASSION, -1);
+
                /* XXX XXX XXX Actually do something now (?) */
        }
 }
@@ -3831,19 +3623,19 @@ void process_monsters(void)
        u32b    old_r_flags4 = 0L;
        u32b    old_r_flags5 = 0L;
        u32b    old_r_flags6 = 0L;
+       u32b    old_r_flagsr = 0L;
 
        byte    old_r_blows0 = 0;
        byte    old_r_blows1 = 0;
        byte    old_r_blows2 = 0;
        byte    old_r_blows3 = 0;
 
-       byte    old_r_cast_inate = 0;
        byte    old_r_cast_spell = 0;
 
        int speed;
 
-        /* Clear monster fighting indicator */
-        mon_fight = FALSE;
+       /* Clear monster fighting indicator */
+       mon_fight = FALSE;
 
        /* Memorize old race */
        old_monster_race_idx = p_ptr->monster_race_idx;
@@ -3861,6 +3653,7 @@ void process_monsters(void)
                old_r_flags4 = r_ptr->r_flags4;
                old_r_flags5 = r_ptr->r_flags5;
                old_r_flags6 = r_ptr->r_flags6;
+               old_r_flagsr = r_ptr->r_flagsr;
 
                /* Memorize blows */
                old_r_blows0 = r_ptr->r_blows[0];
@@ -3869,15 +3662,10 @@ void process_monsters(void)
                old_r_blows3 = r_ptr->r_blows[3];
 
                /* Memorize castings */
-               old_r_cast_inate = r_ptr->r_cast_inate;
                old_r_cast_spell = r_ptr->r_cast_spell;
        }
 
 
-       /* Hack -- calculate the "player noise" */
-       noise = (1L << (30 - p_ptr->skill_stl));
-
-
        /* Process the monsters (backwards) */
        for (i = m_max - 1; i >= 1; i--)
        {
@@ -3905,7 +3693,7 @@ void process_monsters(void)
                }
 
                /* Hack -- Require proximity */
-               if (m_ptr->cdis >= 100) continue;
+               if (m_ptr->cdis >= AAF_LIMIT) continue;
 
 
                /* Access the location */
@@ -3913,16 +3701,16 @@ void process_monsters(void)
                fy = m_ptr->fy;
 
                /* Flow by smell is allowed */
-               if (!stupid_monsters && !p_ptr->no_flowed)
+               if (!p_ptr->no_flowed)
                {
-                       m_ptr->mflag2 &= ~MFLAG_NOFLOW;
+                       m_ptr->mflag2 &= ~MFLAG2_NOFLOW;
                }
 
                /* Assume no move */
                test = FALSE;
 
                /* Handle "sensing radius" */
-               if (m_ptr->cdis <= (is_pet(m_ptr) ? (r_ptr->aaf > 20 ? 20 : r_ptr->aaf) : r_ptr->aaf))
+               if (m_ptr->cdis <= (is_pet(m_ptr) ? (r_ptr->aaf > MAX_SIGHT ? MAX_SIGHT : r_ptr->aaf) : r_ptr->aaf))
                {
                        /* We can "sense" the player */
                        test = TRUE;
@@ -3939,8 +3727,8 @@ void process_monsters(void)
 #if 0 /* (cave[py][px].when == cave[fy][fx].when) is always FALSE... */
                /* Hack -- Monsters can "smell" the player from far away */
                /* Note that most monsters have "aaf" of "20" or so */
-               else if (!stupid_monsters && !(m_ptr->mflag2 & MFLAG_NOFLOW) &&
-                       (cave_floor_bold(py, px) || (cave[py][px].feat == FEAT_TREES)) &&
+               else if (!(m_ptr->mflag2 & MFLAG2_NOFLOW) &&
+                       cave_have_flag_bold(py, px, FF_MOVE) &&
                        (cave[py][px].when == cave[fy][fx].when) &&
                        (cave[fy][fx].dist < MONSTER_FLOW_DEPTH) &&
                        (cave[fy][fx].dist < r_ptr->aaf))
@@ -3959,20 +3747,17 @@ void process_monsters(void)
                        speed = p_ptr->pspeed;
                else
                {
-                       speed = MIN(199, m_ptr->mspeed);
+                       speed = m_ptr->mspeed;
 
                        /* Monsters move quickly in Nightmare mode */
-                       if (ironman_nightmare)
-                       {
-                               speed = MIN(199, m_ptr->mspeed + 5);
-                       }
+                       if (ironman_nightmare) speed += 5;
 
-                       if (m_ptr->fast) speed = MIN(199, speed + 10);
-                       if (m_ptr->slow) speed = MAX(0, speed - 10);
+                       if (MON_FAST(m_ptr)) speed += 10;
+                       if (MON_SLOW(m_ptr)) speed -= 10;
                }
 
                /* Give this monster some energy */
-               m_ptr->energy_need -= extract_energy[speed];
+               m_ptr->energy_need -= SPEED_TO_ENERGY(speed);
 
                /* Not enough energy to move */
                if (m_ptr->energy_need > 0) continue;
@@ -3991,7 +3776,7 @@ void process_monsters(void)
 
                /* Give up flow_by_smell when it might useless */
                if (p_ptr->no_flowed && one_in_(3))
-                       m_ptr->mflag2 |= MFLAG_NOFLOW;
+                       m_ptr->mflag2 |= MFLAG2_NOFLOW;
 
                /* Hack -- notice death or departure */
                if (!p_ptr->playing || p_ptr->is_dead) break;
@@ -4017,11 +3802,11 @@ void process_monsters(void)
                        (old_r_flags4 != r_ptr->r_flags4) ||
                        (old_r_flags5 != r_ptr->r_flags5) ||
                        (old_r_flags6 != r_ptr->r_flags6) ||
+                       (old_r_flagsr != r_ptr->r_flagsr) ||
                        (old_r_blows0 != r_ptr->r_blows[0]) ||
                        (old_r_blows1 != r_ptr->r_blows[1]) ||
                        (old_r_blows2 != r_ptr->r_blows[2]) ||
                        (old_r_blows3 != r_ptr->r_blows[3]) ||
-                       (old_r_cast_inate != r_ptr->r_cast_inate) ||
                        (old_r_cast_spell != r_ptr->r_cast_spell))
                {
                        /* Window stuff */
@@ -4031,87 +3816,737 @@ void process_monsters(void)
 }
 
 
-
-bool process_the_world(int num, int who, bool vs_player)
+int get_mproc_idx(int m_idx, int mproc_type)
 {
-       monster_type *m_ptr = &m_list[hack_m_idx];  /* the world monster */
-
-       if(world_monster) return (FALSE);
+       s16b *cur_mproc_list = mproc_list[mproc_type];
+       int i;
 
-       if(vs_player)
+       for (i = mproc_max[mproc_type] - 1; i >= 0; i--)
        {
-               char m_name[80];
-               monster_desc(m_name, m_ptr, 0);
+               if (cur_mproc_list[i] == m_idx) return i;
+       }
 
-               if (who == 1)
-#ifdef JP
-                       msg_print("¡Ö¡Ø¥¶¡¦¥ï¡¼¥ë¥É¡Ù¡ª»þ¤Ï»ß¤Þ¤Ã¤¿¡ª¡×");
-#else
-                       msg_format("%s yells 'The World! Time has stopped!'", m_name);
-#endif
-               else if (who == 3)
-#ifdef JP
-                       msg_print("¡Ö»þ¤è¡ª¡×");
-#else
-                       msg_format("%s yells 'Time!'", m_name);
-#endif
-               else msg_print("hek!");
+       return -1;
+}
 
-               msg_print(NULL);
-       }
 
-       world_monster = TRUE;
+static void mproc_add(int m_idx, int mproc_type)
+{
+       if (mproc_max[mproc_type] < max_m_idx) mproc_list[mproc_type][mproc_max[mproc_type]++] = m_idx;
+}
 
-       if (vs_player) do_cmd_redraw();
 
-       while(num--)
-       {
-               if(!m_ptr->r_idx) break;
-               process_monster(hack_m_idx);
+static void mproc_remove(int m_idx, int mproc_type)
+{
+       int mproc_idx = get_mproc_idx(m_idx, mproc_type);
+       if (mproc_idx >= 0) mproc_list[mproc_type][mproc_idx] = mproc_list[mproc_type][--mproc_max[mproc_type]];
+}
 
-               reset_target(m_ptr);
 
-               /* Notice stuff */
-               if (p_ptr->notice) notice_stuff();
+/*
+ * Initialize monster process
+ */
+void mproc_init(void)
+{
+       monster_type *m_ptr;
+       int          i, cmi;
 
-               /* Update stuff */
-               if (p_ptr->update) update_stuff();
+       /* Reset "mproc_max[]" */
+       for (cmi = 0; cmi < MAX_MTIMED; cmi++) mproc_max[cmi] = 0;
 
-               /* Redraw stuff */
-               if (p_ptr->redraw) redraw_stuff();
+       /* Process the monsters (backwards) */
+       for (i = m_max - 1; i >= 1; i--)
+       {
+               /* Access the monster */
+               m_ptr = &m_list[i];
 
-               /* Redraw stuff */
-               if (p_ptr->window) window_stuff();
+               /* Ignore "dead" monsters */
+               if (!m_ptr->r_idx) continue;
 
-               /* Delay */
-               if (vs_player) Term_xtra(TERM_XTRA_DELAY, 500);
+               for (cmi = 0; cmi < MAX_MTIMED; cmi++)
+               {
+                       if (m_ptr->mtimed[cmi]) mproc_add(i, cmi);
+               }
        }
+}
 
-       /* Redraw map */
-       p_ptr->redraw |= (PR_MAP);
 
-       /* Update monsters */
-       p_ptr->update |= (PU_MONSTERS);
+/*
+ * Set "m_ptr->mtimed[MTIMED_CSLEEP]", notice observable changes
+ */
+bool set_monster_csleep(int m_idx, int v)
+{
+       monster_type *m_ptr = &m_list[m_idx];
+       bool notice = FALSE;
 
-       /* Window stuff */
-       p_ptr->window |= (PW_OVERHEAD | PW_DUNGEON);
+       /* Hack -- Force good values */
+       v = (v > 10000) ? 10000 : (v < 0) ? 0 : v;
 
-       world_monster = FALSE;
-       if (vs_player || los(py, px, m_ptr->fy, m_ptr->fx))
+       /* Open */
+       if (v)
        {
-#ifdef JP
-               msg_print("¡Ö»þ¤ÏÆ°¤­¤À¤¹¡Ä¡×");
-#else
-               msg_print("You feel time flowing around you once more.");
-#endif
-               msg_print(NULL);
+               if (!MON_CSLEEP(m_ptr))
+               {
+                       mproc_add(m_idx, MTIMED_CSLEEP);
+                       notice = TRUE;
+               }
        }
 
-       handle_stuff();
-
-       return (TRUE);
-}
-
+       /* Shut */
+       else
+       {
+               if (MON_CSLEEP(m_ptr))
+               {
+                       mproc_remove(m_idx, MTIMED_CSLEEP);
+                       notice = TRUE;
+               }
+       }
+
+       /* Use the value */
+       m_ptr->mtimed[MTIMED_CSLEEP] = v;
+
+       if (!notice) return FALSE;
+
+       if (m_ptr->ml)
+       {
+               /* Update health bar as needed */
+               if (p_ptr->health_who == m_idx) p_ptr->redraw |= (PR_HEALTH);
+               if (p_ptr->riding == m_idx) p_ptr->redraw |= (PR_UHEALTH);
+       }
+
+       if (r_info[m_ptr->r_idx].flags7 & RF7_HAS_LD_MASK) p_ptr->update |= (PU_MON_LITE);
+
+       return TRUE;
+}
+
+
+/*
+ * Set "m_ptr->mtimed[MTIMED_FAST]", notice observable changes
+ */
+bool set_monster_fast(int m_idx, int v)
+{
+       monster_type *m_ptr = &m_list[m_idx];
+       bool notice = FALSE;
+
+       /* Hack -- Force good values */
+       v = (v > 200) ? 200 : (v < 0) ? 0 : v;
+
+       /* Open */
+       if (v)
+       {
+               if (!MON_FAST(m_ptr))
+               {
+                       mproc_add(m_idx, MTIMED_FAST);
+                       notice = TRUE;
+               }
+       }
+
+       /* Shut */
+       else
+       {
+               if (MON_FAST(m_ptr))
+               {
+                       mproc_remove(m_idx, MTIMED_FAST);
+                       notice = TRUE;
+               }
+       }
+
+       /* Use the value */
+       m_ptr->mtimed[MTIMED_FAST] = v;
+
+       if (!notice) return FALSE;
+
+       if ((p_ptr->riding == m_idx) && !p_ptr->leaving) p_ptr->update |= (PU_BONUS);
+
+       return TRUE;
+}
+
+
+/*
+ * Set "m_ptr->mtimed[MTIMED_SLOW]", notice observable changes
+ */
+bool set_monster_slow(int m_idx, int v)
+{
+       monster_type *m_ptr = &m_list[m_idx];
+       bool notice = FALSE;
+
+       /* Hack -- Force good values */
+       v = (v > 200) ? 200 : (v < 0) ? 0 : v;
+
+       /* Open */
+       if (v)
+       {
+               if (!MON_SLOW(m_ptr))
+               {
+                       mproc_add(m_idx, MTIMED_SLOW);
+                       notice = TRUE;
+               }
+       }
+
+       /* Shut */
+       else
+       {
+               if (MON_SLOW(m_ptr))
+               {
+                       mproc_remove(m_idx, MTIMED_SLOW);
+                       notice = TRUE;
+               }
+       }
+
+       /* Use the value */
+       m_ptr->mtimed[MTIMED_SLOW] = v;
+
+       if (!notice) return FALSE;
+
+       if ((p_ptr->riding == m_idx) && !p_ptr->leaving) p_ptr->update |= (PU_BONUS);
+
+       return TRUE;
+}
+
+
+/*
+ * Set "m_ptr->mtimed[MTIMED_STUNNED]", notice observable changes
+ */
+bool set_monster_stunned(int m_idx, int v)
+{
+       monster_type *m_ptr = &m_list[m_idx];
+       bool notice = FALSE;
+
+       /* Hack -- Force good values */
+       v = (v > 200) ? 200 : (v < 0) ? 0 : v;
+
+       /* Open */
+       if (v)
+       {
+               if (!MON_STUNNED(m_ptr))
+               {
+                       mproc_add(m_idx, MTIMED_STUNNED);
+                       notice = TRUE;
+               }
+       }
+
+       /* Shut */
+       else
+       {
+               if (MON_STUNNED(m_ptr))
+               {
+                       mproc_remove(m_idx, MTIMED_STUNNED);
+                       notice = TRUE;
+               }
+       }
+
+       /* Use the value */
+       m_ptr->mtimed[MTIMED_STUNNED] = v;
+
+       return notice;
+}
+
+
+/*
+ * Set "m_ptr->mtimed[MTIMED_CONFUSED]", notice observable changes
+ */
+bool set_monster_confused(int m_idx, int v)
+{
+       monster_type *m_ptr = &m_list[m_idx];
+       bool notice = FALSE;
+
+       /* Hack -- Force good values */
+       v = (v > 200) ? 200 : (v < 0) ? 0 : v;
+
+       /* Open */
+       if (v)
+       {
+               if (!MON_CONFUSED(m_ptr))
+               {
+                       mproc_add(m_idx, MTIMED_CONFUSED);
+                       notice = TRUE;
+               }
+       }
+
+       /* Shut */
+       else
+       {
+               if (MON_CONFUSED(m_ptr))
+               {
+                       mproc_remove(m_idx, MTIMED_CONFUSED);
+                       notice = TRUE;
+               }
+       }
+
+       /* Use the value */
+       m_ptr->mtimed[MTIMED_CONFUSED] = v;
+
+       return notice;
+}
+
+
+/*
+ * Set "m_ptr->mtimed[MTIMED_MONFEAR]", notice observable changes
+ */
+bool set_monster_monfear(int m_idx, int v)
+{
+       monster_type *m_ptr = &m_list[m_idx];
+       bool notice = FALSE;
+
+       /* Hack -- Force good values */
+       v = (v > 200) ? 200 : (v < 0) ? 0 : v;
+
+       /* Open */
+       if (v)
+       {
+               if (!MON_MONFEAR(m_ptr))
+               {
+                       mproc_add(m_idx, MTIMED_MONFEAR);
+                       notice = TRUE;
+               }
+       }
+
+       /* Shut */
+       else
+       {
+               if (MON_MONFEAR(m_ptr))
+               {
+                       mproc_remove(m_idx, MTIMED_MONFEAR);
+                       notice = TRUE;
+               }
+       }
+
+       /* Use the value */
+       m_ptr->mtimed[MTIMED_MONFEAR] = v;
+
+       if (!notice) return FALSE;
+
+       if (m_ptr->ml)
+       {
+               /* Update health bar as needed */
+               if (p_ptr->health_who == m_idx) p_ptr->redraw |= (PR_HEALTH);
+               if (p_ptr->riding == m_idx) p_ptr->redraw |= (PR_UHEALTH);
+       }
+
+       return TRUE;
+}
+
+
+/*
+ * Set "m_ptr->mtimed[MTIMED_INVULNER]", notice observable changes
+ */
+bool set_monster_invulner(int m_idx, int v, bool energy_need)
+{
+       monster_type *m_ptr = &m_list[m_idx];
+       bool notice = FALSE;
+
+       /* Hack -- Force good values */
+       v = (v > 200) ? 200 : (v < 0) ? 0 : v;
+
+       /* Open */
+       if (v)
+       {
+               if (!MON_INVULNER(m_ptr))
+               {
+                       mproc_add(m_idx, MTIMED_INVULNER);
+                       notice = TRUE;
+               }
+       }
+
+       /* Shut */
+       else
+       {
+               if (MON_INVULNER(m_ptr))
+               {
+                       mproc_remove(m_idx, MTIMED_INVULNER);
+                       if (energy_need && !p_ptr->wild_mode) m_ptr->energy_need += ENERGY_NEED();
+                       notice = TRUE;
+               }
+       }
+
+       /* Use the value */
+       m_ptr->mtimed[MTIMED_INVULNER] = v;
+
+       if (!notice) return FALSE;
+
+       if (m_ptr->ml)
+       {
+               /* Update health bar as needed */
+               if (p_ptr->health_who == m_idx) p_ptr->redraw |= (PR_HEALTH);
+               if (p_ptr->riding == m_idx) p_ptr->redraw |= (PR_UHEALTH);
+       }
+
+       return TRUE;
+}
+
+
+static u32b csleep_noise;
+
+static void process_monsters_mtimed_aux(int m_idx, int mtimed_idx)
+{
+       monster_type *m_ptr = &m_list[m_idx];
+
+       switch (mtimed_idx)
+       {
+       case MTIMED_CSLEEP:
+       {
+               monster_race *r_ptr = &r_info[m_ptr->r_idx];
+
+               /* Assume does not wake up */
+               bool test = FALSE;
+
+               /* Hack -- Require proximity */
+               if (m_ptr->cdis < AAF_LIMIT)
+               {
+                       /* Handle "sensing radius" */
+                       if (m_ptr->cdis <= (is_pet(m_ptr) ? ((r_ptr->aaf > MAX_SIGHT) ? MAX_SIGHT : r_ptr->aaf) : r_ptr->aaf))
+                       {
+                               /* We may wake up */
+                               test = TRUE;
+                       }
+
+                       /* Handle "sight" and "aggravation" */
+                       else if ((m_ptr->cdis <= MAX_SIGHT) && (player_has_los_bold(m_ptr->fy, m_ptr->fx)))
+                       {
+                               /* We may wake up */
+                               test = TRUE;
+                       }
+               }
+
+               if (test)
+               {
+                       u32b notice = randint0(1024);
+
+                       /* Nightmare monsters are more alert */
+                       if (ironman_nightmare) notice /= 2;
+
+                       /* Hack -- See if monster "notices" player */
+                       if ((notice * notice * notice) <= csleep_noise)
+                       {
+                               /* Hack -- amount of "waking" */
+                               /* Wake up faster near the player */
+                               int d = (m_ptr->cdis < AAF_LIMIT / 2) ? (AAF_LIMIT / m_ptr->cdis) : 1;
+
+                               /* Hack -- amount of "waking" is affected by speed of player */
+                               d = (d * SPEED_TO_ENERGY(p_ptr->pspeed)) / 10;
+                               if (d < 0) d = 1;
+
+                               /* Monster wakes up "a little bit" */
+
+                               /* Still asleep */
+                               if (!set_monster_csleep(m_idx, MON_CSLEEP(m_ptr) - d))
+                               {
+                                       /* Notice the "not waking up" */
+                                       if (is_original_ap_and_seen(m_ptr))
+                                       {
+                                               /* Hack -- Count the ignores */
+                                               if (r_ptr->r_ignore < MAX_UCHAR) r_ptr->r_ignore++;
+                                       }
+                               }
+
+                               /* Just woke up */
+                               else
+                               {
+                                       /* Notice the "waking up" */
+                                       if (m_ptr->ml)
+                                       {
+                                               char m_name[80];
+
+                                               /* Acquire the monster name */
+                                               monster_desc(m_name, m_ptr, 0);
+
+                                               /* Dump a message */
+#ifdef JP
+                                               msg_format("%^s¤¬Ìܤò³Ð¤Þ¤·¤¿¡£", m_name);
+#else
+                                               msg_format("%^s wakes up.", m_name);
+#endif
+                                       }
+
+                                       if (is_original_ap_and_seen(m_ptr))
+                                       {
+                                               /* Hack -- Count the wakings */
+                                               if (r_ptr->r_wake < MAX_UCHAR) r_ptr->r_wake++;
+                                       }
+                               }
+                       }
+               }
+               break;
+       }
+
+       case MTIMED_FAST:
+               /* Reduce by one, note if expires */
+               if (set_monster_fast(m_idx, MON_FAST(m_ptr) - 1))
+               {
+                       if (is_seen(m_ptr))
+                       {
+                               char m_name[80];
+
+                               /* Acquire the monster name */
+                               monster_desc(m_name, m_ptr, 0);
+
+                               /* Dump a message */
+#ifdef JP
+                               msg_format("%^s¤Ï¤â¤¦²Ã®¤µ¤ì¤Æ¤¤¤Ê¤¤¡£", m_name);
+#else
+                               msg_format("%^s is no longer fast.", m_name);
+#endif
+                       }
+               }
+               break;
+
+       case MTIMED_SLOW:
+               /* Reduce by one, note if expires */
+               if (set_monster_slow(m_idx, MON_SLOW(m_ptr) - 1))
+               {
+                       if (is_seen(m_ptr))
+                       {
+                               char m_name[80];
+
+                               /* Acquire the monster name */
+                               monster_desc(m_name, m_ptr, 0);
+
+                               /* Dump a message */
+#ifdef JP
+                               msg_format("%^s¤Ï¤â¤¦¸ºÂ®¤µ¤ì¤Æ¤¤¤Ê¤¤¡£", m_name);
+#else
+                               msg_format("%^s is no longer slow.", m_name);
+#endif
+                       }
+               }
+               break;
+
+       case MTIMED_STUNNED:
+       {
+               int rlev = r_info[m_ptr->r_idx].level;
+
+               /* Recover from stun */
+               if (set_monster_stunned(m_idx, (randint0(10000) <= rlev * rlev) ? 0 : (MON_STUNNED(m_ptr) - 1)))
+               {
+                       /* Message if visible */
+                       if (is_seen(m_ptr))
+                       {
+                               char m_name[80];
+
+                               /* Acquire the monster name */
+                               monster_desc(m_name, m_ptr, 0);
+
+                               /* Dump a message */
+#ifdef JP
+                               msg_format("%^s¤ÏÛ¯Û°¾õÂÖ¤«¤éΩ¤Áľ¤Ã¤¿¡£", m_name);
+#else
+                               msg_format("%^s is no longer stunned.", m_name);
+#endif
+                       }
+               }
+               break;
+       }
+
+       case MTIMED_CONFUSED:
+               /* Reduce the confusion */
+               if (set_monster_confused(m_idx, MON_CONFUSED(m_ptr) - randint1(r_info[m_ptr->r_idx].level / 20 + 1)))
+               {
+                       /* Message if visible */
+                       if (is_seen(m_ptr))
+                       {
+                               char m_name[80];
+
+                               /* Acquire the monster name */
+                               monster_desc(m_name, m_ptr, 0);
+
+                               /* Dump a message */
+#ifdef JP
+                               msg_format("%^s¤Ïº®Í𤫤éΩ¤Áľ¤Ã¤¿¡£", m_name);
+#else
+                               msg_format("%^s is no longer confused.", m_name);
+#endif
+                       }
+               }
+               break;
+
+       case MTIMED_MONFEAR:
+               /* Reduce the fear */
+               if (set_monster_monfear(m_idx, MON_MONFEAR(m_ptr) - randint1(r_info[m_ptr->r_idx].level / 20 + 1)))
+               {
+                       /* Visual note */
+                       if (is_seen(m_ptr))
+                       {
+                               char m_name[80];
+#ifndef JP
+                               char m_poss[80];
+
+                               /* Acquire the monster possessive */
+                               monster_desc(m_poss, m_ptr, MD_PRON_VISIBLE | MD_POSSESSIVE);
+#endif
+
+                               /* Acquire the monster name */
+                               monster_desc(m_name, m_ptr, 0);
+
+                               /* Dump a message */
+#ifdef JP
+                               msg_format("%^s¤Ïͦµ¤¤ò¼è¤êÌᤷ¤¿¡£", m_name);
+#else
+                               msg_format("%^s recovers %s courage.", m_name, m_poss);
+#endif
+                       }
+               }
+               break;
+
+       case MTIMED_INVULNER:
+               /* Reduce by one, note if expires */
+               if (set_monster_invulner(m_idx, MON_INVULNER(m_ptr) - 1, TRUE))
+               {
+                       if (is_seen(m_ptr))
+                       {
+                               char m_name[80];
+
+                               /* Acquire the monster name */
+                               monster_desc(m_name, m_ptr, 0);
+
+                               /* Dump a message */
+#ifdef JP
+                               msg_format("%^s¤Ï¤â¤¦ÌµÅ¨¤Ç¤Ê¤¤¡£", m_name);
+#else
+                               msg_format("%^s is no longer invulnerable.", m_name);
+#endif
+                       }
+               }
+               break;
+       }
+}
+
+
+/*
+ * Process the counters of monsters (once per 10 game turns)
+ *
+ * These functions are to process monsters' counters same as player's.
+ */
+void process_monsters_mtimed(int mtimed_idx)
+{
+       int  i;
+       s16b *cur_mproc_list = mproc_list[mtimed_idx];
+
+       /* Hack -- calculate the "player noise" */
+       if (mtimed_idx == MTIMED_CSLEEP) csleep_noise = (1L << (30 - p_ptr->skill_stl));
+
+       /* Process the monsters (backwards) */
+       for (i = mproc_max[mtimed_idx] - 1; i >= 0; i--)
+       {
+               /* Access the monster */
+               process_monsters_mtimed_aux(cur_mproc_list[i], mtimed_idx);
+       }
+}
+
+
+void dispel_monster_status(int m_idx)
+{
+       monster_type *m_ptr = &m_list[m_idx];
+       char         m_name[80];
+
+       monster_desc(m_name, m_ptr, 0);
+       if (set_monster_invulner(m_idx, 0, TRUE))
+       {
+#ifdef JP
+               if (m_ptr->ml) msg_format("%s¤Ï¤â¤¦ÌµÅ¨¤Ç¤Ï¤Ê¤¤¡£", m_name);
+#else
+               if (m_ptr->ml) msg_format("%^s is no longer invulnerable.", m_name);
+#endif
+       }
+       if (set_monster_fast(m_idx, 0))
+       {
+#ifdef JP
+               if (m_ptr->ml) msg_format("%s¤Ï¤â¤¦²Ã®¤µ¤ì¤Æ¤¤¤Ê¤¤¡£", m_name);
+#else
+               if (m_ptr->ml) msg_format("%^s is no longer fast.", m_name);
+#endif
+       }
+       if (set_monster_slow(m_idx, 0))
+       {
+#ifdef JP
+               if (m_ptr->ml) msg_format("%s¤Ï¤â¤¦¸ºÂ®¤µ¤ì¤Æ¤¤¤Ê¤¤¡£", m_name);
+#else
+               if (m_ptr->ml) msg_format("%^s is no longer slow.", m_name);
+#endif
+       }
+}
+
+
+bool process_the_world(int num, int who, bool vs_player)
+{
+       monster_type *m_ptr = &m_list[hack_m_idx];  /* the world monster */
+
+       if(world_monster) return (FALSE);
+
+       if(vs_player)
+       {
+               char m_name[80];
+               monster_desc(m_name, m_ptr, 0);
+
+               if (who == 1)
+#ifdef JP
+                       msg_print("¡Ö¡Ø¥¶¡¦¥ï¡¼¥ë¥É¡Ù¡ª»þ¤Ï»ß¤Þ¤Ã¤¿¡ª¡×");
+#else
+                       msg_format("%s yells 'The World! Time has stopped!'", m_name);
+#endif
+               else if (who == 3)
+#ifdef JP
+                       msg_print("¡Ö»þ¤è¡ª¡×");
+#else
+                       msg_format("%s yells 'Time!'", m_name);
+#endif
+               else msg_print("hek!");
+
+               msg_print(NULL);
+       }
+
+       /* This monster cast spells */
+       world_monster = hack_m_idx;
+
+       if (vs_player) do_cmd_redraw();
+
+       while(num--)
+       {
+               if(!m_ptr->r_idx) break;
+               process_monster(world_monster);
+
+               reset_target(m_ptr);
+
+               /* Notice stuff */
+               if (p_ptr->notice) notice_stuff();
+
+               /* Update stuff */
+               if (p_ptr->update) update_stuff();
+
+               /* Redraw stuff */
+               if (p_ptr->redraw) redraw_stuff();
+
+               /* Redraw stuff */
+               if (p_ptr->window) window_stuff();
+
+               /* Delay */
+               if (vs_player) Term_xtra(TERM_XTRA_DELAY, 500);
+       }
+
+       /* Redraw map */
+       p_ptr->redraw |= (PR_MAP);
+
+       /* Update monsters */
+       p_ptr->update |= (PU_MONSTERS);
+
+       /* Window stuff */
+       p_ptr->window |= (PW_OVERHEAD | PW_DUNGEON);
+
+       world_monster = 0;
+       if (vs_player || (player_has_los_bold(m_ptr->fy, m_ptr->fx) && projectable(py, px, m_ptr->fy, m_ptr->fx)))
+       {
+#ifdef JP
+               msg_print("¡Ö»þ¤ÏÆ°¤­¤À¤¹¡Ä¡×");
+#else
+               msg_print("You feel time flowing around you once more.");
+#endif
+               msg_print(NULL);
+       }
+
+       handle_stuff();
+
+       return (TRUE);
+}
+
 
 void monster_gain_exp(int m_idx, int s_idx)
 {
@@ -4128,7 +4563,7 @@ void monster_gain_exp(int m_idx, int s_idx)
        if (m_idx == p_ptr->riding) new_exp = (new_exp + 1) / 2;
        if (!dun_level) new_exp /= 5;
        m_ptr->exp += new_exp;
-       if (m_ptr->mflag2 & MFLAG_CHAMELEON) return;
+       if (m_ptr->mflag2 & MFLAG2_CHAMELEON) return;
 
        if (m_ptr->exp >= r_ptr->next_exp)
        {
@@ -4136,12 +4571,20 @@ void monster_gain_exp(int m_idx, int s_idx)
                int old_hp = m_ptr->hp;
                int old_maxhp = m_ptr->max_maxhp;
                int old_r_idx = m_ptr->r_idx;
-               int i;
+               byte old_sub_align = m_ptr->sub_align;
+
+               /* Hack -- Reduce the racial counter of previous monster */
+               real_r_ptr(m_ptr)->cur_num--;
 
                monster_desc(m_name, m_ptr, 0);
                m_ptr->r_idx = r_ptr->next_r_idx;
+
+               /* Count the monsters on the level */
+               real_r_ptr(m_ptr)->cur_num++;
+
                m_ptr->ap_r_idx = m_ptr->r_idx;
                r_ptr = &r_info[m_ptr->r_idx];
+
                if (r_ptr->flags1 & RF1_FORCE_MAXHP)
                {
                        m_ptr->max_maxhp = maxroll(r_ptr->hdice, r_ptr->hside);
@@ -4160,34 +4603,54 @@ void monster_gain_exp(int m_idx, int s_idx)
                m_ptr->hp = old_hp * m_ptr->maxhp / old_maxhp;
 
                /* Extract the monster base speed */
-               m_ptr->mspeed = r_ptr->speed;
+               m_ptr->mspeed = get_mspeed(r_ptr);
 
-               /* Hack -- small racial variety */
-               if (!(r_ptr->flags1 & RF1_UNIQUE) && !p_ptr->inside_arena)
+               /* Sub-alignment of a monster */
+               if (!is_pet(m_ptr) && !(r_ptr->flags3 & (RF3_EVIL | RF3_GOOD)))
+                       m_ptr->sub_align = old_sub_align;
+               else
                {
-                       /* Allow some small variation per monster */
-                 if(one_in_(4)){
-                       i = extract_energy[r_ptr->speed] / 3;
-                       if (i) m_ptr->mspeed += rand_spread(0, i);
-                 }
-                 else{
-                       i = extract_energy[r_ptr->speed] / 10;
-                       if (i) m_ptr->mspeed += rand_spread(0, i);
-                 }
+                       m_ptr->sub_align = SUB_ALIGN_NEUTRAL;
+                       if (r_ptr->flags3 & RF3_EVIL) m_ptr->sub_align |= SUB_ALIGN_EVIL;
+                       if (r_ptr->flags3 & RF3_GOOD) m_ptr->sub_align |= SUB_ALIGN_GOOD;
                }
 
-               if (m_ptr->mspeed > 199) m_ptr->mspeed = 199;
-
                m_ptr->exp = 0;
 
                if (is_pet(m_ptr) || m_ptr->ml)
                {
+                       if (!ignore_unview || player_can_see_bold(m_ptr->fy, m_ptr->fx))
+                       {
+                               if (p_ptr->image)
+                               {
+                                       monster_race *hallu_race;
+
+                                       do
+                                       {
+                                               hallu_race = &r_info[randint1(max_r_idx - 1)];
+                                       }
+                                       while (!hallu_race->name || (hallu_race->flags1 & RF1_UNIQUE));
+
+#ifdef JP
+                                       msg_format("%s¤Ï%s¤Ë¿Ê²½¤·¤¿¡£", m_name, r_name + hallu_race->name);
+#else
+                                       msg_format("%^s evolved into %s.", m_name, r_name + hallu_race->name);
+#endif
+                               }
+                               else
+                               {
 #ifdef JP
-                       msg_format("%s¤Ï%s¤Ë¿Ê²½¤·¤¿¡£", m_name, r_name + r_ptr->name);
+                                       msg_format("%s¤Ï%s¤Ë¿Ê²½¤·¤¿¡£", m_name, r_name + r_ptr->name);
 #else
-                       msg_format("%^s evolved into %s.", m_name, r_name + r_ptr->name);
+                                       msg_format("%^s evolved into %s.", m_name, r_name + r_ptr->name);
 #endif
-                       r_info[old_r_idx].r_xtra1 |= MR1_SINKA;
+                               }
+                       }
+
+                       if (!p_ptr->image) r_info[old_r_idx].r_xtra1 |= MR1_SINKA;
+
+                       /* Now you feel very close to this pet. */
+                       m_ptr->parent_m_idx = 0;
                }
                update_mon(m_idx, FALSE);
                lite_spot(m_ptr->fy, m_ptr->fx);