Bring in the 4.4 Lite games directory, modulo man page changes and segregation

of the x11 based games.  I'm not going to tag the originals with bsd_44_lite
and do this in two stages since it's just not worth it for this collection,
and I've got directory renames to deal with that way.  Bleah.
Submitted by:	jkh

1 files changed, 867 insertions, 0 deletions

diff --git a/games/rogue/monster.c b/games/rogue/monster.c
new file mode 100644
index 0000000..bd73414
--- /dev/null
+++ b/games/rogue/monster.c
@@ -0,0 +1,867 @@
+/*
+ * Copyright (c) 1988, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Timothy C. Stoehr.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)monster.c	8.1 (Berkeley) 5/31/93";
+#endif /* not lint */
+
+/*
+ * monster.c
+ *
+ * This source herein may be modified and/or distributed by anybody who
+ * so desires, with the following restrictions:
+ *    1.)  No portion of this notice shall be removed.
+ *    2.)  Credit shall not be taken for the creation of this source.
+ *    3.)  This code is not to be traded, sold, or used for personal
+ *         gain or profit.
+ *
+ */
+
+#include "rogue.h"
+
+object level_monsters;
+boolean mon_disappeared;
+
+char *m_names[] = {
+	"aquator",
+	"bat",
+	"centaur",
+	"dragon",
+	"emu",
+	"venus fly-trap",
+	"griffin",
+	"hobgoblin",
+	"ice monster",
+	"jabberwock",
+	"kestrel",
+	"leprechaun",
+	"medusa",
+	"nymph",
+	"orc",
+	"phantom",
+	"quagga",
+	"rattlesnake",
+	"snake",
+	"troll",
+	"black unicorn",
+	"vampire",
+	"wraith",
+	"xeroc",
+	"yeti",
+	"zombie"
+};
+
+object mon_tab[MONSTERS] = {
+	{(ASLEEP|WAKENS|WANDERS|RUSTS),"0d0",25,'A',20,9,18,100,0,0,0,0,0},
+	{(ASLEEP|WANDERS|FLITS|FLIES),"1d3",10,'B',2,1,8,60,0,0,0,0,0},
+	{(ASLEEP|WANDERS),"3d3/2d5",32,'C',15,7,16,85,0,10,0,0,0},
+	{(ASLEEP|WAKENS|FLAMES),"4d6/4d9",145,'D',5000,21,126,100,0,90,0,0,0},
+	{(ASLEEP|WAKENS),"1d3",11,'E',2,1,7,65,0,0,0,0,0},
+	{(HOLDS|STATIONARY),"5d5",73,'F',91,12,126,80,0,0,0,0,0},
+	{(ASLEEP|WAKENS|WANDERS|FLIES),"5d5/5d5",115,'G',
+			2000,20,126,85,0,10,0,0,0},
+	{(ASLEEP|WAKENS|WANDERS),"1d3/1d2",15,'H',3,1,10,67,0,0,0,0,0},
+	{(ASLEEP|FREEZES),"0d0",15,'I',5,2,11,68,0,0,0,0,0},
+	{(ASLEEP|WANDERS),"3d10/4d5",132,'J',3000,21,126,100,0,0,0,0,0},
+	{(ASLEEP|WAKENS|WANDERS|FLIES),"1d4",10,'K',2,1,6,60,0,0,0,0,0},
+	{(ASLEEP|STEALS_GOLD),"0d0",25,'L',21,6,16,75,0,0,0,0,0},
+	{(ASLEEP|WAKENS|WANDERS|CONFUSES),"4d4/3d7",97,'M',
+			250,18,126,85,0,25,0,0,0},
+	{(ASLEEP|STEALS_ITEM),"0d0",25,'N',39,10,19,75,0,100,0,0,0},
+	{(ASLEEP|WANDERS|WAKENS|SEEKS_GOLD),"1d6",25,'O',5,4,13,70,0,10,0,0,0},
+	{(ASLEEP|INVISIBLE|WANDERS|FLITS),"5d4",76,'P',120,15,24,80,0,50,0,0,0},
+	{(ASLEEP|WAKENS|WANDERS),"3d5",30,'Q',20,8,17,78,0,20,0,0,0},
+	{(ASLEEP|WAKENS|WANDERS|STINGS),"2d5",19,'R',10,3,12,70,0,0,0,0,0},
+	{(ASLEEP|WAKENS|WANDERS),"1d3",8,'S',2,1,9,50,0,0,0,0,0},
+	{(ASLEEP|WAKENS|WANDERS),"4d6/1d4",75,'T',125,13,22,75,0,33,0,0,0},
+	{(ASLEEP|WAKENS|WANDERS),"4d10",90,'U',
+			200,17,26,85,0,33,0,0,0},
+	{(ASLEEP|WAKENS|WANDERS|DRAINS_LIFE),"1d14/1d4",55,'V',
+			350,19,126,85,0,18,0,0,0},
+	{(ASLEEP|WANDERS|DROPS_LEVEL),"2d8",45,'W',55,14,23,75,0,0,0,0,0},
+	{(ASLEEP|IMITATES),"4d6",42,'X',110,16,25,75,0,0,0,0,0},
+	{(ASLEEP|WANDERS),"3d6",35,'Y',50,11,20,80,0,20,0,0,0},
+	{(ASLEEP|WAKENS|WANDERS),"1d7",21,'Z',8,5,14,69,0,0,0,0,0}
+};
+
+extern short cur_level;
+extern short cur_room, party_room;
+extern short blind, halluc, haste_self;
+extern boolean detect_monster, see_invisible, r_see_invisible;
+extern short stealthy;
+
+put_mons()
+{
+	short i;
+	short n;
+	object *monster;
+	short row, col;
+
+	n = get_rand(4, 6);
+
+	for (i = 0; i < n; i++) {
+		monster = gr_monster((object *) 0, 0);
+		if ((monster->m_flags & WANDERS) && coin_toss()) {
+			wake_up(monster);
+		}
+		gr_row_col(&row, &col, (FLOOR | TUNNEL | STAIRS | OBJECT));
+		put_m_at(row, col, monster);
+	}
+}
+
+object *
+gr_monster(monster, mn)
+register object *monster;
+register mn;
+{
+	if (!monster) {
+		monster = alloc_object();
+
+		for (;;) {
+			mn = get_rand(0, MONSTERS-1);
+			if ((cur_level >= mon_tab[mn].first_level) &&
+			(cur_level <= mon_tab[mn].last_level)) {
+				break;
+			}
+		}
+	}
+	*monster = mon_tab[mn];
+	if (monster->m_flags & IMITATES) {
+		monster->disguise = gr_obj_char();
+	}
+	if (cur_level > (AMULET_LEVEL + 2)) {
+		monster->m_flags |= HASTED;
+	}
+	monster->trow = NO_ROOM;
+	return(monster);
+}
+
+mv_mons()
+{
+	register object *monster, *next_monster;
+	boolean flew;
+
+	if (haste_self % 2) {
+		return;
+	}
+
+	monster = level_monsters.next_monster;
+
+	while (monster) {
+		next_monster = monster->next_monster;
+		mon_disappeared = 0;
+		if (monster->m_flags & HASTED) {
+			mv_1_monster(monster, rogue.row, rogue.col);
+			if (mon_disappeared) {
+				goto NM;
+			}
+		} else if (monster->m_flags & SLOWED) {
+			monster->slowed_toggle = !monster->slowed_toggle;
+			if (monster->slowed_toggle) {
+				goto NM;
+			}
+		}
+		if ((monster->m_flags & CONFUSED) && move_confused(monster)) {
+			goto NM;
+		}
+		flew = 0;
+		if (	(monster->m_flags & FLIES) &&
+				!(monster->m_flags & NAPPING) &&
+				!mon_can_go(monster, rogue.row, rogue.col)) {
+			flew = 1;
+			mv_1_monster(monster, rogue.row, rogue.col);
+			if (mon_disappeared) {
+				goto NM;
+			}
+		}
+		if (!(flew && mon_can_go(monster, rogue.row, rogue.col))) {
+			mv_1_monster(monster, rogue.row, rogue.col);
+		}
+NM:		monster = next_monster;
+	}
+}
+
+party_monsters(rn, n)
+int rn, n;
+{
+	short i, j;
+	short row, col;
+	object *monster;
+	boolean found;
+
+	n += n;
+
+	for (i = 0; i < MONSTERS; i++) {
+		mon_tab[i].first_level -= (cur_level % 3);
+	}
+	for (i = 0; i < n; i++) {
+		if (no_room_for_monster(rn)) {
+			break;
+		}
+		for (j = found = 0; ((!found) && (j < 250)); j++) {
+			row = get_rand(rooms[rn].top_row+1,
+				rooms[rn].bottom_row-1);
+			col = get_rand(rooms[rn].left_col+1,
+				rooms[rn].right_col-1);
+			if ((!(dungeon[row][col] & MONSTER)) &&
+				(dungeon[row][col] & (FLOOR | TUNNEL))) {
+				found = 1;
+			}
+		}
+		if (found) {
+			monster = gr_monster((object *) 0, 0);
+			if (!(monster->m_flags & IMITATES)) {
+				monster->m_flags |= WAKENS;
+			}
+			put_m_at(row, col, monster);
+		}
+	}
+	for (i = 0; i < MONSTERS; i++) {
+		mon_tab[i].first_level += (cur_level % 3);
+	}
+}
+
+gmc_row_col(row, col)
+register row, col;
+{
+	register object *monster;
+
+	if (monster = object_at(&level_monsters, row, col)) {
+		if ((!(detect_monster || see_invisible || r_see_invisible) &&
+			(monster->m_flags & INVISIBLE)) || blind) {
+			return(monster->trail_char);
+		}
+		if (monster->m_flags & IMITATES) {
+			return(monster->disguise);
+		}
+		return(monster->m_char);
+	} else {
+		return('&');	/* BUG if this ever happens */
+	}
+}
+
+gmc(monster)
+object *monster;
+{
+	if ((!(detect_monster || see_invisible || r_see_invisible) &&
+		(monster->m_flags & INVISIBLE))
+		|| blind) {
+		return(monster->trail_char);
+	}
+	if (monster->m_flags & IMITATES) {
+		return(monster->disguise);
+	}
+	return(monster->m_char);
+}
+
+mv_1_monster(monster, row, col)
+register object *monster;
+short row, col;
+{
+	short i, n;
+	boolean tried[6];
+
+	if (monster->m_flags & ASLEEP) {
+		if (monster->m_flags & NAPPING) {
+			if (--monster->nap_length <= 0) {
+				monster->m_flags &= (~(NAPPING | ASLEEP));
+			}
+			return;
+		}
+		if ((monster->m_flags & WAKENS) &&
+			 rogue_is_around(monster->row, monster->col) &&
+			 rand_percent(((stealthy > 0) ?
+			 	(WAKE_PERCENT / (STEALTH_FACTOR + stealthy)) :
+				WAKE_PERCENT))) {
+			wake_up(monster);
+		}
+		return;
+	} else if (monster->m_flags & ALREADY_MOVED) {
+		monster->m_flags &= (~ALREADY_MOVED);
+		return;
+	}
+	if ((monster->m_flags & FLITS) && flit(monster)) {
+		return;
+	}
+	if ((monster->m_flags & STATIONARY) &&
+		(!mon_can_go(monster, rogue.row, rogue.col))) {
+		return;
+	}
+	if (monster->m_flags & FREEZING_ROGUE) {
+		return;
+	}
+	if ((monster->m_flags & CONFUSES) && m_confuse(monster)) {
+		return;
+	}
+	if (mon_can_go(monster, rogue.row, rogue.col)) {
+		mon_hit(monster);
+		return;
+	}
+	if ((monster->m_flags & FLAMES) && flame_broil(monster)) {
+		return;
+	}
+	if ((monster->m_flags & SEEKS_GOLD) && seek_gold(monster)) {
+		return;
+	}
+	if ((monster->trow == monster->row) &&
+		   (monster->tcol == monster->col)) {
+		monster->trow = NO_ROOM;
+	} else if (monster->trow != NO_ROOM) {
+		row = monster->trow;
+		col = monster->tcol;
+	}
+	if (monster->row > row) {
+		row = monster->row - 1;
+	} else if (monster->row < row) {
+		row = monster->row + 1;
+	}
+	if ((dungeon[row][monster->col] & DOOR) &&
+		 mtry(monster, row, monster->col)) {
+		return;
+	}
+	if (monster->col > col) {
+		col = monster->col - 1;
+	} else if (monster->col < col) {
+		col = monster->col + 1;
+	}
+	if ((dungeon[monster->row][col] & DOOR) &&
+		 mtry(monster, monster->row, col)) {
+		return;
+	}
+	if (mtry(monster, row, col)) {
+		return;
+	}
+
+	for (i = 0; i <= 5; i++) tried[i] = 0;
+
+	for (i = 0; i < 6; i++) {
+NEXT_TRY:	n = get_rand(0, 5);
+		switch(n) {
+		case 0:
+			if (!tried[n] && mtry(monster, row, monster->col-1)) {
+				goto O;
+			}
+			break;
+		case 1:
+			if (!tried[n] && mtry(monster, row, monster->col)) {
+				goto O;
+			}
+			break;
+		case 2:
+			if (!tried[n] && mtry(monster, row, monster->col+1)) {
+				goto O;
+			}
+			break;
+		case 3:
+			if (!tried[n] && mtry(monster, monster->row-1, col)) {
+				goto O;
+			}
+			break;
+		case 4:
+			if (!tried[n] && mtry(monster, monster->row, col)) {
+				goto O;
+			}
+			break;
+		case 5:
+			if (!tried[n] && mtry(monster, monster->row+1, col)) {
+				goto O;
+			}
+			break;
+		}
+		if (!tried[n]) {
+			tried[n] = 1;
+		} else {
+			goto NEXT_TRY;
+		}
+	}
+O:
+	if ((monster->row == monster->o_row) && (monster->col == monster->o_col)) {
+		if (++(monster->o) > 4) {
+			if ((monster->trow == NO_ROOM) &&
+					(!mon_sees(monster, rogue.row, rogue.col))) {
+				monster->trow = get_rand(1, (DROWS - 2));
+				monster->tcol = get_rand(0, (DCOLS - 1));
+			} else {
+				monster->trow = NO_ROOM;
+				monster->o = 0;
+			}
+		}
+	} else {
+		monster->o_row = monster->row;
+		monster->o_col = monster->col;
+		monster->o = 0;
+	}
+}
+
+mtry(monster, row, col)
+register object *monster;
+register short row, col;
+{
+	if (mon_can_go(monster, row, col)) {
+		move_mon_to(monster, row, col);
+		return(1);
+	}
+	return(0);
+}
+
+move_mon_to(monster, row, col)
+register object *monster;
+register short row, col;
+{
+	short c;
+	register mrow, mcol;
+
+	mrow = monster->row;
+	mcol = monster->col;
+
+	dungeon[mrow][mcol] &= ~MONSTER;
+	dungeon[row][col] |= MONSTER;
+
+	c = mvinch(mrow, mcol);
+
+	if ((c >= 'A') && (c <= 'Z')) {
+		if (!detect_monster) {
+			mvaddch(mrow, mcol, monster->trail_char);
+		} else {
+			if (rogue_can_see(mrow, mcol)) {
+				mvaddch(mrow, mcol, monster->trail_char);
+			} else {
+				if (monster->trail_char == '.') {
+					monster->trail_char = ' ';
+				}
+				mvaddch(mrow, mcol, monster->trail_char);
+			}
+		}
+	}
+	monster->trail_char = mvinch(row, col);
+	if (!blind && (detect_monster || rogue_can_see(row, col))) {
+		if ((!(monster->m_flags & INVISIBLE) ||
+			(detect_monster || see_invisible || r_see_invisible))) {
+			mvaddch(row, col, gmc(monster));
+		}
+	}
+	if ((dungeon[row][col] & DOOR) &&
+		(get_room_number(row, col) != cur_room) &&
+		(dungeon[mrow][mcol] == FLOOR) && !blind) {
+			mvaddch(mrow, mcol, ' ');
+	}
+	if (dungeon[row][col] & DOOR) {
+			dr_course(monster, ((dungeon[mrow][mcol] & TUNNEL) ? 1 : 0),
+				row, col);
+	} else {
+		monster->row = row;
+		monster->col = col;
+	}
+}
+
+mon_can_go(monster, row, col)
+register object *monster;
+register short row, col;
+{
+	object *obj;
+	short dr, dc;
+
+	dr = monster->row - row;	/* check if move distance > 1 */
+	if ((dr >= 2) || (dr <= -2)) {
+		return(0);
+	}
+	dc = monster->col - col;
+	if ((dc >= 2) || (dc <= -2)) {
+		return(0);
+	}
+	if ((!dungeon[monster->row][col]) || (!dungeon[row][monster->col])) {
+		return(0);
+	}
+	if ((!is_passable(row, col)) || (dungeon[row][col] & MONSTER)) {
+		return(0);
+	}
+	if ((monster->row!=row)&&(monster->col!=col)&&((dungeon[row][col]&DOOR) ||
+		(dungeon[monster->row][monster->col]&DOOR))) {
+		return(0);
+	}
+	if (!(monster->m_flags & (FLITS | CONFUSED | CAN_FLIT)) &&
+		(monster->trow == NO_ROOM)) {
+		if ((monster->row < rogue.row) && (row < monster->row)) return(0);
+		if ((monster->row > rogue.row) && (row > monster->row)) return(0);
+		if ((monster->col < rogue.col) && (col < monster->col)) return(0);
+		if ((monster->col > rogue.col) && (col > monster->col)) return(0);
+	}
+	if (dungeon[row][col] & OBJECT) {
+		obj = object_at(&level_objects, row, col);
+		if ((obj->what_is == SCROL) && (obj->which_kind == SCARE_MONSTER)) {
+			return(0);
+		}
+	}
+	return(1);
+}
+
+wake_up(monster)
+object *monster;
+{
+	if (!(monster->m_flags & NAPPING)) {
+		monster->m_flags &= (~(ASLEEP | IMITATES | WAKENS));
+	}
+}
+
+wake_room(rn, entering, row, col)
+short rn;
+boolean entering;
+short row, col;
+{
+	object *monster;
+	short wake_percent;
+	boolean in_room;
+
+	wake_percent = (rn == party_room) ? PARTY_WAKE_PERCENT : WAKE_PERCENT;
+	if (stealthy > 0) {
+		wake_percent /= (STEALTH_FACTOR + stealthy);
+	}
+
+	monster = level_monsters.next_monster;
+
+	while (monster) {
+		in_room = (rn == get_room_number(monster->row, monster->col));
+		if (in_room) {
+			if (entering) {
+				monster->trow = NO_ROOM;
+			} else {
+				monster->trow = row;
+				monster->tcol = col;
+			}
+		}
+		if ((monster->m_flags & WAKENS) &&
+			(rn == get_room_number(monster->row, monster->col))) {
+			if (rand_percent(wake_percent)) {
+				wake_up(monster);
+			}
+		}
+		monster = monster->next_monster;
+	}
+}
+
+char *
+mon_name(monster)
+object *monster;
+{
+	short ch;
+
+	if (blind || ((monster->m_flags & INVISIBLE) &&
+		!(detect_monster || see_invisible || r_see_invisible))) {
+		return("something");
+	}
+	if (halluc) {
+		ch = get_rand('A', 'Z') - 'A';
+		return(m_names[ch]);
+	}
+	ch = monster->m_char - 'A';
+	return(m_names[ch]);
+}
+
+rogue_is_around(row, col)
+register row, col;
+{
+	short rdif, cdif, retval;
+
+	rdif = row - rogue.row;
+	cdif = col - rogue.col;
+
+	retval = (rdif >= -1) && (rdif <= 1) && (cdif >= -1) && (cdif <= 1);
+	return(retval);
+}
+
+wanderer()
+{
+	object *monster;
+	short row, col, i;
+	boolean found = 0;
+
+	for (i = 0; ((i < 15) && (!found)); i++) {
+		monster = gr_monster((object *) 0, 0);
+		if (!(monster->m_flags & (WAKENS | WANDERS))) {
+			free_object(monster);
+		} else {
+			found = 1;
+		}
+	}
+	if (found) {
+		found = 0;
+		wake_up(monster);
+		for (i = 0; ((i < 25) && (!found)); i++) {
+			gr_row_col(&row, &col, (FLOOR | TUNNEL | STAIRS | OBJECT));
+			if (!rogue_can_see(row, col)) {
+				put_m_at(row, col, monster);
+				found = 1;
+			}
+		}
+		if (!found) {
+			free_object(monster);
+		}
+	}
+}
+
+show_monsters()
+{
+	object *monster;
+
+	detect_monster = 1;
+
+	if (blind) {
+		return;
+	}
+	monster = level_monsters.next_monster;
+
+	while (monster) {
+		mvaddch(monster->row, monster->col, monster->m_char);
+		if (monster->m_flags & IMITATES) {
+			monster->m_flags &= (~IMITATES);
+			monster->m_flags |= WAKENS;
+		}
+		monster = monster->next_monster;
+	}
+}
+
+create_monster()
+{
+	short row, col;
+	short i;
+	boolean found = 0;
+	object *monster;
+
+	row = rogue.row;
+	col = rogue.col;
+
+	for (i = 0; i < 9; i++) {
+		rand_around(i, &row, &col);
+		if (((row == rogue.row) && (col = rogue.col)) ||
+				(row < MIN_ROW) || (row > (DROWS-2)) ||
+				(col < 0) || (col > (DCOLS-1))) {
+			continue;
+		}
+		if ((!(dungeon[row][col] & MONSTER)) &&
+			  (dungeon[row][col] & (FLOOR|TUNNEL|STAIRS|DOOR))) {
+			found = 1;
+			break;
+		}
+	}
+	if (found) {
+		monster = gr_monster((object *) 0, 0);
+		put_m_at(row, col, monster);
+		mvaddch(row, col, gmc(monster));
+		if (monster->m_flags & (WANDERS | WAKENS)) {
+			wake_up(monster);
+		}
+	} else {
+		message("you hear a faint cry of anguish in the distance", 0);
+	}
+}
+
+put_m_at(row, col, monster)
+short row, col;
+object *monster;
+{
+	monster->row = row;
+	monster->col = col;
+	dungeon[row][col] |= MONSTER;
+	monster->trail_char = mvinch(row, col);
+	(void) add_to_pack(monster, &level_monsters, 0);
+	aim_monster(monster);
+}
+
+aim_monster(monster)
+object *monster;
+{
+	short i, rn, d, r;
+
+	rn = get_room_number(monster->row, monster->col);
+	r = get_rand(0, 12);
+
+	for (i = 0; i < 4; i++) {
+		d = (r + i) % 4;
+		if (rooms[rn].doors[d].oth_room != NO_ROOM) {
+			monster->trow = rooms[rn].doors[d].door_row;
+			monster->tcol = rooms[rn].doors[d].door_col;
+			break;
+		}
+	}
+}
+
+rogue_can_see(row, col)
+register row, col;
+{
+	register retval;
+
+	retval = !blind &&
+			(((get_room_number(row, col) == cur_room) &&
+					!(rooms[cur_room].is_room & R_MAZE)) ||
+			rogue_is_around(row, col));
+
+	return(retval);
+}
+
+move_confused(monster)
+object *monster;
+{
+	short i, row, col;
+
+	if (!(monster->m_flags & ASLEEP)) {
+		if (--monster->moves_confused <= 0) {
+			monster->m_flags &= (~CONFUSED);
+		}
+		if (monster->m_flags & STATIONARY) {
+			return(coin_toss() ? 1 : 0);
+		} else if (rand_percent(15)) {
+			return(1);
+		}
+		row = monster->row;
+		col = monster->col;
+
+		for (i = 0; i < 9; i++) {
+			rand_around(i, &row, &col);
+			if ((row == rogue.row) && (col == rogue.col)) {
+				return(0);
+			}
+			if (mtry(monster, row, col)) {
+				return(1);
+			}
+		}
+	}
+	return(0);
+}
+
+flit(monster)
+object *monster;
+{
+	short i, row, col;
+
+	if (!rand_percent(FLIT_PERCENT + ((monster->m_flags & FLIES) ? 20 : 0))) {
+		return(0);
+	}
+	if (rand_percent(10)) {
+		return(1);
+	}
+	row = monster->row;
+	col = monster->col;
+
+	for (i = 0; i < 9; i++) {
+		rand_around(i, &row, &col);
+		if ((row == rogue.row) && (col == rogue.col)) {
+			continue;
+		}
+		if (mtry(monster, row, col)) {
+			return(1);
+		}
+	}
+	return(1);
+}
+
+gr_obj_char()
+{
+	short r;
+	char *rs = "%!?]=/):*";
+
+	r = get_rand(0, 8);
+
+	return(rs[r]);
+}
+
+no_room_for_monster(rn)
+int rn;
+{
+	short i, j;
+
+	for (i = rooms[rn].top_row+1; i < rooms[rn].bottom_row; i++) {
+		for (j = rooms[rn].left_col+1; j < rooms[rn].right_col; j++) {
+			if (!(dungeon[i][j] & MONSTER)) {
+				return(0);
+			}
+		}
+	}
+	return(1);
+}
+
+aggravate()
+{
+	object *monster;
+
+	message("you hear a high pitched humming noise", 0);
+
+	monster = level_monsters.next_monster;
+
+	while (monster) {
+		wake_up(monster);
+		monster->m_flags &= (~IMITATES);
+		if (rogue_can_see(monster->row, monster->col)) {
+			mvaddch(monster->row, monster->col, monster->m_char);
+		}
+		monster = monster->next_monster;
+	}
+}
+
+boolean
+mon_sees(monster, row, col)
+object *monster;
+{
+	short rn, rdif, cdif, retval;
+
+	rn = get_room_number(row, col);
+
+	if (	(rn != NO_ROOM) &&
+			(rn == get_room_number(monster->row, monster->col)) &&
+			!(rooms[rn].is_room & R_MAZE)) {
+		return(1);
+	}
+	rdif = row - monster->row;
+	cdif = col - monster->col;
+
+	retval = (rdif >= -1) && (rdif <= 1) && (cdif >= -1) && (cdif <= 1);
+	return(retval);
+}
+
+mv_aquatars()
+{
+	object *monster;
+
+	monster = level_monsters.next_monster;
+
+	while (monster) {
+		if ((monster->m_char == 'A') &&
+			mon_can_go(monster, rogue.row, rogue.col)) {
+			mv_1_monster(monster, rogue.row, rogue.col);
+			monster->m_flags |= ALREADY_MOVED;
+		}
+		monster = monster->next_monster;
+	}
+}