int
cansee(int y, int x)
{
struct room *rer;
coord tp;
if (on(player, ISBLIND))
return FALSE;
tp.y = y;
tp.x = x;
rer = roomin(tp);
/*
* We can only see if the hero in the same room as the coordinate and
* the room is lit or if it is close.
*/
return ((rer != NULL &&
rer == roomin(hero) &&
(!(rer->r_flags & ISDARK) || (rer->r_flags & HASFIRE)) &&
(levtype != MAZELEV || /* Maze level needs direct line */
maze_view(tp.y, tp.x))) ||
DISTANCE(tp,hero) < see_dist);
}
coord *
can_shoot(coord *er, coord *ee, coord *dir)
{
int ery, erx, eey, eex;
/* Make sure we are chasing the player */
if (!ce((*ee), hero))
return(NULL);
/* They must be in the same room */
if (roomin(*er) != roomin(hero))
return(NULL);
ery = er->y;
erx = er->x;
eey = ee->y;
eex = ee->x;
/* Will shoot unless next to player, then 80% prob will fight */
if ((DISTANCE(*er,*ee) < 4) && (rnd(100) < 80))
return(NULL);
/* Do we have a straight shot? */
if (!straight_shot(ery, erx, eey, eex, dir))
return(NULL);
else
return(dir);
}
void
check_residue(struct thing *tp)
{
/* Take care of special abilities */
if (on(*tp, DIDHOLD) && (--hold_count == 0))
turn_off(player, ISHELD);
/* If it has lowered player, give him back a level, maybe */
if (on(*tp, DIDDRAIN) && rnd(3) == 0)
raise_level();
/* If frightened of this monster, stop */
if (on(player, ISFLEE) && (player.t_chasee==tp))
turn_off(player, ISFLEE);
/* If monster was suffocating player, stop it */
if (on(*tp, DIDSUFFOCATE))
extinguish_fuse(FUSE_SUFFOCATE);
/* If something with fire, may darken */
if (on(*tp, HASFIRE))
{
struct room *rp = roomin(tp->t_pos);
if (rp && (--(rp->r_fires) <= 0))
{
rp->r_flags &= ~HASFIRE;
light(&tp->t_pos);
}
}
}
void
playit(void)
{
char *opts;
/*
* set up defaults for slow terminals
*/
if (baudrate() <= 1200)
{
terse = TRUE;
jump = TRUE;
see_floor = FALSE;
}
if (md_hasclreol())
inv_type = INV_CLEAR;
/*
* parse environment declaration of options
*/
if ((opts = getenv("ROGUEOPTS")) != NULL)
parse_opts(opts);
oldpos = hero;
oldrp = roomin(&hero);
while (playing)
command(); /* Command execution */
endit(0);
}
void
fall(struct linked_list *item, int pr)
{
struct object *obj;
struct room *rp;
static coord fpos;
obj = (struct object *) ldata(item);
if (fallpos(&obj->o_pos, &fpos, TRUE))
{
mvaddrawch(fpos.y, fpos.x, obj->o_type);
obj->o_pos = fpos;
if ((rp = roomin(&hero)) != NULL && !(rp->r_flags & ISDARK))
{
light(&hero);
mvwaddrawch(cw, hero.y, hero.x, PLAYER);
}
attach(lvl_obj, item);
return;
}
if (pr)
if (obj->o_type == WEAPON) /* BUGFUX: Identification trick */
msg("Your %s vanishes as it hits the ground.", w_names[obj->o_which]);
else
msg("%s vanishes as it hits the ground.", inv_name(obj,TRUE));
discard(item);
}
/*
* relocate:
* Make the monster's new location be the specified one, updating
* all the relevant state.
*/
void
relocate(THING *th, const coord *new_loc)
{
struct room *oroom;
if (!ce(*new_loc, th->t_pos))
{
mvaddch2(th->t_pos.y, th->t_pos.x, th->t_oldch);
th->t_room = roomin(new_loc);
set_oldch(th, new_loc);
oroom = th->t_room;
moat(th->t_pos.y, th->t_pos.x) = NULL;
if (oroom != th->t_room)
th->t_dest = find_dest(th);
th->t_pos = *new_loc;
moat(new_loc->y, new_loc->x) = th;
}
move(new_loc->y, new_loc->x);
if (see_monst(th))
addch2(th->t_disguise);
else if (on(player, SEEMONST))
{
standout();
addch2(th->t_type);
standend2();
}
}
void
new_monster(THING *tp, int type, const coord *cp)
{
struct monster *mp;
int lev_add;
if ((lev_add = level - AMULETLEVEL) < 0)
lev_add = 0;
attach(mlist, tp);
tp->t_type = type;
tp->t_disguise = type;
tp->t_pos = *cp;
move(cp->y, cp->x);
tp->t_oldch = CCHAR( inch() );
tp->t_room = roomin(cp);
moat(cp->y, cp->x) = tp;
mp = &monsters[tp->t_type-'A'];
tp->t_stats.s_lvl = mp->m_stats.s_lvl + lev_add;
tp->t_stats.s_maxhp = tp->t_stats.s_hpt = roll(tp->t_stats.s_lvl, 8);
tp->t_stats.s_arm = mp->m_stats.s_arm - lev_add;
strcpy(tp->t_stats.s_dmg,mp->m_stats.s_dmg);
tp->t_stats.s_str = mp->m_stats.s_str;
tp->t_stats.s_exp = mp->m_stats.s_exp + lev_add * 10 + exp_add(tp);
tp->t_flags = mp->m_flags;
if (level > 29)
tp->t_flags |= ISHASTE;
tp->t_turn = TRUE;
tp->t_pack = NULL;
if (ISWEARING(R_AGGR))
runto(cp);
if (type == 'X')
tp->t_disguise = rnd_thing();
}
struct room *
roomin_rc(int r, int c)
{
coord coord;
coord.x = c;
coord.y = r;
return roomin(&coord);
}
void
ring_off(void)
{
struct object *obj;
struct linked_list *item;
if (cur_ring[LEFT_1] == NULL && cur_ring[LEFT_2] == NULL &&
cur_ring[LEFT_3] == NULL && cur_ring[LEFT_4] == NULL &&
cur_ring[LEFT_5] == NULL &&
cur_ring[RIGHT_1] == NULL && cur_ring[RIGHT_2] == NULL &&
cur_ring[RIGHT_3] == NULL && cur_ring[RIGHT_4] == NULL &&
cur_ring[RIGHT_5] == NULL)
{
msg("You aren't wearing any rings.");
return;
}
else if ((item = get_item("remove", RING)) == NULL)
return;
mpos = 0;
obj = OBJPTR(item);
if ((obj = OBJPTR(item)) == NULL)
msg("You are not wearing that!");
if (dropcheck(obj))
{
switch (obj->o_which)
{
case R_SEEINVIS:
msg("Your eyes stop tingling.");
break;
case R_CARRYING:
updpack();
break;
case R_LEVITATION:
msg("You float gently to the ground.");
break;
case R_LIGHT:
if (roomin(hero) != NULL)
{
light(&hero);
mvwaddch(cw, hero.y, hero.x, PLAYER);
}
break;
case R_TRUESEE:
msg("Your sensory perceptions return to normal.");
break;
}
msg("Was wearing %s.", inv_name(obj, LOWERCASE));
}
}
int
cansee(int y, int x)
{
struct room *rer;
coord tp;
if (on(player, ISBLIND))
return FALSE;
tp.y = y;
tp.x = x;
rer = roomin(&tp);
/*
* We can only see if the hero in the same room as
* the coordinate and the room is lit or if it is close.
*/
return (rer != NULL && rer == roomin(&hero) && !(rer->r_flags&ISDARK)) ||
DISTANCE(y, x, hero.y, hero.x) < 3;
}
/*
* fall:
* Drop an item someplace around here.
*/
int
fall(struct linked_list *item, int pr)
{
register struct object *obj ;
register struct room *rp ;
static coord fpos ;
int ret;
obj = (struct object *) ldata(item) ;
rp = roomin(&hero);
if (obj->o_flags & CANRETURN) {
add_pack(item, TRUE);
return TRUE;
}
else if (fallpos(&obj->o_pos, &fpos, TRUE)) {
if (obj->o_flags & CANBURN && ntraps + 1 < MAXTRAPS + MAXTRAPS) {
mvaddch(fpos.y, fpos.x, FIRETRAP);
traps[ntraps].tr_type = FIRETRAP;
traps[ntraps].tr_flags = ISFOUND;
traps[ntraps].tr_show = FIRETRAP;
traps[ntraps].tr_pos.y = fpos.y;
traps[ntraps++].tr_pos.x = fpos.x;
if (rp != NULL)
rp->r_flags &= ~ISDARK;
discard(item);
ret = FALSE;
}
else {
mvaddch(fpos.y, fpos.x, obj->o_type) ;
obj->o_pos = fpos ;
attach(lvl_obj, item) ;
ret = TRUE;
}
if (rp != NULL &&
(!(rp->r_flags & ISDARK) ||
(rp->r_flags & HASFIRE))) {
light(&hero) ;
mvwaddch(cw, hero.y, hero.x, PLAYER) ;
}
return ret;
}
if (pr) {
if (obj->o_type == WEAPON)
addmsg("The %s", weaps[obj->o_which]);
else
addmsg(inv_name(obj, TRUE));
msg(" vanishes as it hits the ground.");
}
discard(item) ;
return FALSE;
}
coord *
find_shoot(struct thing *tp, coord *dir)
{
struct room *rtp;
int ulx, uly, xmx, ymx, xmon, ymon, tpx, tpy, row, col;
struct linked_list *mon;
struct thing *ick;
rtp = roomin(tp->t_pos); /* Find room of chaser */
if (rtp == NULL)
return NULL;
ulx = rtp->r_pos.x;
uly = rtp->r_pos.y;
xmx = rtp->r_max.x;
ymx = rtp->r_max.y;
tpx = tp->t_pos.x;
tpy = tp->t_pos.y;
for (col = ulx; col < (ulx + xmx); col++)
for (row = uly; row < (uly + ymx); row++)
{
if (row > 0 && col > 0 && isalpha(mvwinch(mw, row, col)))
{
mon = find_mons(row, col);
if (mon)
{
ick = THINGPTR(mon);
xmon = ick->t_pos.x;
ymon = ick->t_pos.y;
if (!(good_monster(*ick)))
{
if (straight_shot(tpy, tpx, ymon, xmon, dir))
return(dir);
}
}
}
}
return(NULL);
}
char
secretdoor(int y, int x)
{
struct room *rp;
coord cp;
cp.x = x;
cp.y = y;
if ((rp = roomin(cp)) != NULL)
{
if (y == rp->r_pos.y || y == rp->r_pos.y + rp->r_max.y - 1)
return ('-');
else
return ('|');
}
return ('p');
}
/*
* find_dest:
* find the proper destination for the monster
*/
const coord *
find_dest(const THING *tp)
{
THING *obj;
int prob;
if ((prob = monsters[tp->t_type - 'A'].m_carry) <= 0 || tp->t_room == proom
|| see_monst(tp))
return &hero;
for (obj = lvl_obj; obj != NULL; obj = next(obj))
{
if (obj->o_type == SCROLL && obj->o_which == S_SCARE)
continue;
if (roomin(&obj->o_pos) == tp->t_room && rnd(100) < prob)
{
for (tp = mlist; tp != NULL; tp = next(tp))
if (tp->t_dest == &obj->o_pos)
break;
if (tp == NULL)
return &obj->o_pos;
}
}
return &hero;
}
void
wanderer(void)
{
THING *tp;
coord cp;
int cnt = 0;
tp = new_item();
do
{
/* Avoid endless loop when all rooms are filled with monsters
* and the player room is not accessible to the monsters.
*/
if (cnt++ >= 500)
{
discard(tp);
return;
}
find_floor(NULL, &cp, FALSE, TRUE);
} while (roomin(&cp) == proom && moat(cp.y, cp.x) == NULL);
new_monster(tp, randmonster(TRUE), &cp);
if (on(player, SEEMONST))
{
standout();
if (!on(player, ISHALU))
addch(tp->t_type);
else
addch(rnd(26) + 'A');
standend();
}
runto(&tp->t_pos);
#ifdef MASTER
if (wizard)
msg("started a wandering %s", monsters[tp->t_type-'A'].m_name);
#endif
}
/*
* cansee:
* Returns true if the hero can see a certain coordinate.
*/
int
cansee(int y, int x)
{
struct room *rer;
coord tp;
if (on(player, ISBLIND))
return FALSE;
if (dist(y, x, hero.y, hero.x) < LAMPDIST)
{
if (flat(y, x) & F_PASS)
if (y != hero.y && x != hero.x &&
!step_ok(chat(y, hero.x)) && !step_ok(chat(hero.y, x)))
return FALSE;
return TRUE;
}
/*
* We can only see if the hero in the same room as
* the coordinate and the room is lit or if it is close.
*/
tp.y = y;
tp.x = x;
return ((rer = roomin(&tp)) == proom && !(rer->r_flags & ISDARK));
}
/*
* add_pack:
* Pick up an object and add it to the pack. If the argument is non-null
* use it as the linked_list pointer instead of gettting it off the ground.
*/
void
add_pack(struct linked_list *item, int silent)
{
struct linked_list *ip, *lp;
struct object *obj, *op;
int exact, from_floor;
if (item == NULL)
{
from_floor = TRUE;
if ((item = find_obj(hero.y, hero.x)) == NULL)
return;
}
else
from_floor = FALSE;
obj = (struct object *) ldata(item);
/*
* Link it into the pack. Search the pack for a object of similar type
* if there isn't one, stuff it at the beginning, if there is, look for one
* that is exactly the same and just increment the count if there is.
* it that. Food is always put at the beginning for ease of access, but
* is not ordered so that you can't tell good food from bad. First check
* to see if there is something in thr same group and if there is then
* increment the count.
*/
if (obj->o_group)
{
for (ip = pack; ip != NULL; ip = next(ip))
{
op = (struct object *) ldata(ip);
if (op->o_group == obj->o_group)
{
/*
* Put it in the pack and notify the user
*/
op->o_count++;
if (from_floor)
{
detach(lvl_obj, item);
mvaddch(hero.y, hero.x,
(roomin(&hero) == NULL ? PASSAGE : FLOOR));
}
discard(item);
item = ip;
goto picked_up;
}
}
}
/*
* Check if there is room
*/
if (inpack == MAXPACK-1)
{
msg("You can't carry anything else.");
return;
}
/*
* Check for and deal with scare monster scrolls
*/
if (obj->o_type == SCROLL && obj->o_which == S_SCARE)
if (obj->o_flags & ISFOUND)
{
msg("The scroll turns to dust as you pick it up.");
detach(lvl_obj, item);
mvaddch(hero.y, hero.x, FLOOR);
return;
}
else
obj->o_flags |= ISFOUND;
inpack++;
if (from_floor)
{
detach(lvl_obj, item);
mvaddch(hero.y, hero.x, (roomin(&hero) == NULL ? PASSAGE : FLOOR));
}
/*
* Search for an object of the same type
*/
exact = FALSE;
for (ip = pack; ip != NULL; ip = next(ip))
{
op = (struct object *) ldata(ip);
if (obj->o_type == op->o_type)
break;
}
if (ip == NULL)
{
/*
* Put it at the end of the pack since it is a new type
*/
for (ip = pack; ip != NULL; ip = next(ip))
{
op = (struct object *) ldata(ip);
if (op->o_type != FOOD)
break;
lp = ip;
}
}
else
{
/*
* Search for an object which is exactly the same
*/
while (ip != NULL && op->o_type == obj->o_type)
{
if (op->o_which == obj->o_which)
{
exact = TRUE;
break;
}
lp = ip;
if ((ip = next(ip)) == NULL)
break;
op = (struct object *) ldata(ip);
}
}
if (ip == NULL)
{
/*
* Didn't find an exact match, just stick it here
*/
if (pack == NULL)
pack = item;
else
{
lp->l_next = item;
item->l_prev = lp;
item->l_next = NULL;
}
}
else
{
/*
* If we found an exact match. If it is a potion, food, or a
* scroll, increase the count, otherwise put it with its clones.
*/
if (exact && ISMULT(obj->o_type))
{
op->o_count++;
discard(item);
item = ip;
goto picked_up;
}
if ((item->l_prev = prev(ip)) != NULL)
item->l_prev->l_next = item;
else
pack = item;
item->l_next = ip;
ip->l_prev = item;
}
picked_up:
/*
* Notify the user
*/
obj = (struct object *) ldata(item);
if (notify && !silent)
{
if (!terse)
addmsg("You now have ");
msg("%s (%c)", inv_name(obj, !terse), pack_char(obj));
}
if (obj->o_type == AMULET)
amulet = TRUE;
}
void
look(int wakeup)
{
int x, y;
char ch, och;
int oldx, oldy;
int inpass, horizontal, vertical, do_light = FALSE, do_blank = FALSE;
int passcount = 0;
struct room *rp;
int ey, ex;
/* Are we moving vertically or horizontally? */
if (runch == 'h' || runch == 'l')
horizontal = TRUE;
else
horizontal = FALSE;
if (runch == 'j' || runch == 'k')
vertical = TRUE;
else
vertical = FALSE;
getyx(cw, oldy, oldx); /* Save current position */
/*
* Blank out the floor around our last position and check for moving
* out of a corridor in a maze.
*/
if (oldrp != NULL && (oldrp->r_flags & ISDARK) &&
!(oldrp->r_flags & HASFIRE) && off(player, ISBLIND))
do_blank = TRUE;
for (x = player.t_oldpos.x - 1; x <= player.t_oldpos.x + 1; x++)
for (y = player.t_oldpos.y - 1; y <= player.t_oldpos.y + 1;
y++)
{
ch = show(y, x);
if (do_blank && (y != hero.y || x != hero.x) && ch == FLOOR)
mvwaddch(cw, y, x, ' ');
/* Moving out of a corridor? */
if (levtype == MAZELEV &&
(ch != '|' && ch != '-') && /* Not a wall */
((vertical && x != player.t_oldpos.x &&
y == player.t_oldpos.y) ||
(horizontal && y != player.t_oldpos.y &&
x == player.t_oldpos.x)))
do_light = TRUE; /* Just came to a turn */
}
inpass = ((rp = roomin(hero)) == NULL); /* Are we in a passage? */
/* Are we coming out of a wall into a corridor in a maze? */
och = show(player.t_oldpos.y, player.t_oldpos.x);
ch = show(hero.y, hero.x);
if (levtype == MAZELEV && (och == '|' || och == '-' ||
och == SECRETDOOR) && (ch != '|' && ch != '-' && ch != SECRETDOOR))
{
do_light = off(player, ISBLIND); /* Light it up if not blind */
}
/* Look around the player */
ey = hero.y + 1;
ex = hero.x + 1;
for (x = hero.x - 1; x <= ex; x++)
if (x >= 0 && x < COLS)
for (y = hero.y - 1; y <= ey; y++)
{
if (y <= 0 || y >= LINES - 2)
continue;
if (isalpha(mvwinch(mw, y, x)))
{
struct linked_list *it;
struct thing *tp;
if (wakeup)
it = wake_monster(y, x);
else
it = find_mons(y, x);
if (it == NULL)
continue;
tp = THINGPTR(it);
tp->t_oldch = CCHAR( mvinch(y, x) );
if (isatrap(tp->t_oldch))
{
struct trap *trp = trap_at(y, x);
tp->t_oldch = (trp->tr_flags & ISFOUND) ? tp->t_oldch
: trp->tr_show;
}
if (tp->t_oldch == FLOOR &&
(rp->r_flags & ISDARK)
&& !(rp->r_flags & HASFIRE) &&
off(player, ISBLIND))
tp->t_oldch = ' ';
}
/* Secret doors show as walls */
if ((ch = show(y, x)) == SECRETDOOR)
ch = secretdoor(y, x);
/*
* Don't show room walls if he is in a
* passage and check for maze turns
*/
if (off(player, ISBLIND))
{
if (y == hero.y && x == hero.x || (inpass && (ch == '-' ||
ch == '|')))
continue;
/* Are we at a crossroads in a maze? */
if (levtype == MAZELEV && (ch != '|' && ch != '-') &&
/* Not a wall */
((vertical && x != hero.x && y == hero.y) ||
(horizontal && y != hero.y && x == hero.x)))
do_light = TRUE;
/* Just came to a turn */
}
else if (y != hero.y || x != hero.x)
continue;
wmove(cw, y, x);
waddch(cw, ch);
if (door_stop && !firstmove && running)
{
switch (runch)
{
case 'h':
if (x == ex)
continue;
break;
case 'j':
if (y == hero.y - 1)
continue;
break;
case 'k':
if (y == ey)
continue;
break;
case 'l':
if (x == hero.x - 1)
continue;
break;
case 'y':
if ((x + y) - (hero.x + hero.y) >= 1)
continue;
break;
case 'u':
if ((y - x) - (hero.y - hero.x) >= 1)
continue;
break;
case 'n':
if ((x + y) - (hero.x + hero.y) <= -1)
continue;
break;
case 'b':
if ((y - x) - (hero.y - hero.x) <= -1)
continue;
break;
}
switch (ch)
{
case DOOR:
if (x == hero.x || y == hero.y)
running = FALSE;
break;
case PASSAGE:
if (x == hero.x || y == hero.y)
passcount++;
break;
case FLOOR:
/*
* Stop by new passages in a
* maze (floor next to us)
*/
if ((levtype == MAZELEV) &&
((horizontal && x == hero.x && y != hero.y) ||
(vertical && y == hero.y && x != hero.x)))
running = FALSE;
case '|':
case '-':
case ' ':
break;
default:
running = FALSE;
break;
}
}
}
if (door_stop && !firstmove && passcount > 1)
running = FALSE;
/*
* Do we have to light up the area (just stepped into a new
* corridor)?
*/
if (do_light && wakeup && /* wakeup will be true on a normal move */
!(rp->r_flags & ISDARK) && /* We have some light */
!ce(hero, player.t_oldpos)) /* Don't do anything if we didn't move */
light(&hero);
mvwaddch(cw, hero.y, hero.x, PLAYER);
wmove(cw, oldy, oldx);
if (wakeup)
{
player.t_oldpos = hero; /* Don't change if we didn't move */
oldrp = rp;
}
}
/*
* missile:
* Fire a missile in a given direction
*/
void
missile(int ydelta, int xdelta, struct linked_list *item, struct thing *tp)
{
register struct object *obj ;
register struct linked_list *nitem ;
/*
* Get which thing we are hurling
*/
if (item == NULL) {
return ;
}
obj = (struct object *) ldata(item) ;
if (!dropcheck(obj) || is_current(obj)) {
return ;
}
/*
* Get rid of the thing. If it is a non-multiple item object, or
* if it is the last thing, just drop it. Otherwise, create a new
* item with a count of one.
*/
if (obj->o_count < 2) {
detach(tp->t_pack, item) ;
if (tp->t_pack == pack) {
inpack-- ;
freeletter(item);
}
} else {
obj->o_count-- ;
nitem = (struct linked_list *) new_item(sizeof *obj) ;
obj = (struct object *) ldata(nitem) ;
*obj = *((struct object *) ldata(item)) ;
obj->o_count = 1 ;
item = nitem ;
}
if (obj->o_type == ARTIFACT)
has_artifact &= ~(1 << obj->o_which);
if (obj->o_type == SCROLL && obj->o_which == S_SCARE) {
if (obj->o_flags & ISBLESSED)
obj->o_flags &= ~ISBLESSED;
else
obj->o_flags |= ISCURSED;
}
updpack (FALSE);
do_motion(obj, ydelta, xdelta, tp) ;
/*
* AHA! Here it has hit something. If it is a wall or a door,
* or if it misses (combat) the monster, put it on the floor
*/
if (!hit_monster(unc(obj->o_pos), obj, tp)) {
if (obj->o_type == WEAPON && obj->o_which == GRENADE) {
register struct room *rp;
static coord fpos;
msg("BOOOM!");
aggravate();
rp = roomin(&obj->o_pos);
if (ntraps + 1 < MAXTRAPS + MAXTRAPS &&
fallpos(&obj->o_pos, &fpos, TRUE)) {
mvaddch(fpos.y, fpos.x, TRAPDOOR);
traps[ntraps].tr_type = TRAPDOOR;
traps[ntraps].tr_flags = ISFOUND;
traps[ntraps].tr_show = TRAPDOOR;
traps[ntraps].tr_pos.y = fpos.y;
traps[ntraps++].tr_pos.x = fpos.x;
light(&hero);
}
discard(item);
}
else if (obj->o_flags & ISLOST) {
if (obj->o_type == WEAPON)
addmsg("The %s", weaps[obj->o_which].w_name);
else
addmsg(inv_name(obj, TRUE));
msg(" vanishes in a puff of greasy smoke.");
discard(item);
}
else {
if (fall(item, TRUE))
if (obj->o_flags & CANRETURN)
msg("You have %s.", inv_name(obj, TRUE));
}
}
else if (obj->o_flags & ISOWNED) {
add_pack(item, TRUE);
msg("You have %s.", inv_name(obj, TRUE));
}
mvwaddch(cw, hero.y, hero.x, PLAYER) ;
}
/*
* do_chase:
* Make one thing chase another.
*/
int
do_chase(THING *th)
{
coord *cp;
struct room *rer, *ree; /* room of chaser, room of chasee */
int mindist = 32767, curdist;
int stoprun = FALSE; /* TRUE means we are there */
int door;
THING *obj;
coord this; /* Temporary destination for chaser */
rer = th->t_room; /* Find room of chaser */
if (on(*th, ISGREED) && rer->r_goldval == 0)
th->t_dest = &hero; /* If gold has been taken, run after hero */
if (th->t_dest == &hero) /* Find room of chasee */
ree = proom;
else
ree = roomin(th->t_dest);
/*
* We don't count doors as inside rooms for this routine
*/
door = (chat(th->t_pos.y, th->t_pos.x) == DOOR);
/*
* If the object of our desire is in a different room,
* and we are not in a corridor, run to the door nearest to
* our goal.
*/
over:
if (rer != ree)
{
for (cp = rer->r_exit; cp < &rer->r_exit[rer->r_nexits]; cp++)
{
curdist = dist_cp(th->t_dest, cp);
if (curdist < mindist)
{
this = *cp;
mindist = curdist;
}
}
if (door)
{
rer = &passages[flat(th->t_pos.y, th->t_pos.x) & F_PNUM];
door = FALSE;
goto over;
}
}
else
{
this = *th->t_dest;
/*
* For dragons check and see if (a) the hero is on a straight
* line from it, and (b) that it is within shooting distance,
* but outside of striking range.
*/
if (th->t_type == 'D' && (th->t_pos.y == hero.y || th->t_pos.x == hero.x
|| abs(th->t_pos.y - hero.y) == abs(th->t_pos.x - hero.x))
&& dist_cp(&th->t_pos, &hero) <= BOLT_LENGTH * BOLT_LENGTH
&& !on(*th, ISCANC) && rnd(DRAGONSHOT) == 0)
{
delta.y = sign(hero.y - th->t_pos.y);
delta.x = sign(hero.x - th->t_pos.x);
if (has_hit)
endmsg();
fire_bolt(&th->t_pos, &delta, "flame");
running = FALSE;
count = 0;
quiet = 0;
if (to_death && !on(*th, ISTARGET))
{
to_death = FALSE;
kamikaze = FALSE;
}
return(0);
}
}
/*
* This now contains what we want to run to this time
* so we run to it. If we hit it we either want to fight it
* or stop running
*/
if (!chase(th, &this))
{
if (ce(this, hero))
{
return( attack(th) );
}
else if (ce(this, *th->t_dest))
{
for (obj = lvl_obj; obj != NULL; obj = next(obj))
if (th->t_dest == &obj->o_pos)
{
detach(lvl_obj, obj);
attach(th->t_pack, obj);
chat(obj->o_pos.y, obj->o_pos.x) =
(th->t_room->r_flags & ISGONE) ? PASSAGE : FLOOR;
th->t_dest = find_dest(th);
break;
}
if (th->t_type != 'F')
stoprun = TRUE;
}
}
else
{
if (th->t_type == 'F')
return(0);
}
relocate(th, &ch_ret);
/*
* And stop running if need be
*/
if (stoprun && ce(th->t_pos, *(th->t_dest)))
th->t_flags &= ~ISRUN;
return(0);
}
int
do_chase(struct thing *th)
{
struct room *rer, *ree; /* room of chaser, room of chasee */
int mindist = 32767, i, dist;
int stoprun = FALSE; /* TRUE means we are there */
int sch;
coord this; /* Temporary destination for chaser */
rer = roomin(&th->t_pos); /* Find room of chaser */
ree = roomin(th->t_dest); /* Find room of chasee */
/*
* We don't count doors as inside rooms for this routine
*/
if (CMVWINCH(stdscr, th->t_pos.y, th->t_pos.x) == DOOR)
rer = NULL;
this = *th->t_dest;
/*
* If the object of our desire is in a different room,
* than we are and we ar not in a corridor, run to the
* door nearest to our goal.
*/
if (rer != NULL && rer != ree)
for (i = 0; i < rer->r_nexits; i++) /* loop through doors */
{
dist = DISTANCE(th->t_dest->y, th->t_dest->x,
rer->r_exit[i].y, rer->r_exit[i].x);
if (dist < mindist) /* minimize distance */
{
this = rer->r_exit[i];
mindist = dist;
}
}
/*
* this now contains what we want to run to this time
* so we run to it. If we hit it we either want to fight it
* or stop running
*/
if (!chase(th, &this))
{
if (ce(this, hero))
{
return( attack(th) );
}
else if (th->t_type != 'F')
stoprun = TRUE;
}
else if (th->t_type == 'F')
return(0);
mvwaddrawch(cw, th->t_pos.y, th->t_pos.x, th->t_oldch);
sch = CMVWINCH(cw, ch_ret.y, ch_ret.x);
if (rer != NULL && (rer->r_flags & ISDARK) && sch == FLOOR
&& DISTANCE(ch_ret.y, ch_ret.x, th->t_pos.y, th->t_pos.x) < 3
&& off(player, ISBLIND))
th->t_oldch = ' ';
else
th->t_oldch = sch;
if (cansee(unc(ch_ret)) && !on(*th, ISINVIS))
mvwaddrawch(cw, ch_ret.y, ch_ret.x, th->t_type);
mvwaddrawch(mw, th->t_pos.y, th->t_pos.x, ' ');
mvwaddrawch(mw, ch_ret.y, ch_ret.x, th->t_type);
th->t_pos = ch_ret;
/*
* And stop running if need be
*/
if (stoprun && ce(th->t_pos, *(th->t_dest)))
th->t_flags &= ~ISRUN;
return(0);
}
void
teleport(void)
{
struct room *new_rp = NULL, *old_rp = roomin(hero);
int rm, which;
coord c;
int is_lit = FALSE; /* For saving room light state */
int rand_position = TRUE;
c = hero;
mvwaddch(cw, hero.y, hero.x, mvwinch(stdscr, hero.y, hero.x));
if (is_wearing(R_TELCONTROL))
{
msg("Where do you wish to teleport to? (* for help)");
wmove(cw, hero.y, hero.x);
wrefresh(cw);
which = (short) (readchar() & 0177);
while (which != (short) ESCAPE && which != (short) LINEFEED
&& which != (short) CARRIAGE_RETURN)
{
switch(which)
{
case 'h': c.x--; break;
case 'j': c.y++; break;
case 'k': c.y--; break;
case 'l': c.x++; break;
case 'y': c.x--;
c.y--; break;
case 'u': c.x++;
c.y--; break;
case 'b': c.x--;
c.y++; break;
case 'n': c.x++;
c.y++; break;
case '*':
msg("Use h,j,k,l,y,u,b,n to position cursor, then hit"
"return.");
}
c.y = max(c.y, 1);
c.y = min(c.y, LINES - 3);
c.x = max(c.x, 1);
c.x = min(c.x, COLS - 1);
wmove(cw, c.y, c.x);
wrefresh(cw);
which = (short) (readchar() & 0177);
}
which = winat(c.y, c.x);
if ((which == FLOOR || which == PASSAGE || which == DOOR) &&
((ring_value(R_TELCONTROL) == 0 && rnd(10) < 6)
|| (ring_value(R_TELCONTROL) > 0 && rnd(10) < 9)))
{
rand_position = FALSE;
msg("You attempt succeeds.");
hero = c;
new_rp = roomin(hero);
}
else
msg("Your attempt fails.");
}
if (rand_position)
{
do
{
rm = rnd_room();
rnd_pos(&rooms[rm], &hero);
}
while (winat(hero.y, hero.x) != FLOOR);
new_rp = &rooms[rm];
}
/* If hero gets moved, darken old room */
if (old_rp && old_rp != new_rp)
{
if (!(old_rp->r_flags & ISDARK))
is_lit = TRUE;
old_rp->r_flags |= ISDARK; /* Fake darkness */
light(&c);
if (is_lit)
old_rp->r_flags &= ~ISDARK; /* Restore light state */
}
light(&hero);
mvwaddch(cw, hero.y, hero.x, PLAYER);
/* turn off ISHELD in case teleportation was done while fighting */
if (on(player, ISHELD))
{
struct linked_list *ip, *nip;
struct thing *mp;
turn_off(player, ISHELD);
hold_count = 0;
for (ip = mlist; ip; ip = nip)
{
mp = THINGPTR(ip);
nip = next(ip);
if (on(*mp, DIDHOLD))
{
turn_off(*mp, DIDHOLD);
turn_on(*mp, CANHOLD);
}
turn_off(*mp, DIDSUFFOCATE);
}
}
extinguish_fuse(FUSE_SUFFOCATE);
player.t_no_move = 0; /* not trapped anymore */
count = 0;
running = FALSE;
return;
}
void
ring_on(void)
{
struct object *obj;
struct linked_list *item;
int ring;
char buf[2 * LINELEN];
if ((item = get_item("put on", RING)) == NULL)
return;
obj = OBJPTR(item);
if (obj->o_type != RING)
{
msg("You can't put that on!");
return;
}
/* find out which hand to put it on */
if (is_current(obj))
{
msg("Already wearing that!");
return;
}
if (cur_ring[LEFT_1] == NULL)
ring = LEFT_1;
else if (cur_ring[LEFT_2] == NULL)
ring = LEFT_2;
else if (cur_ring[LEFT_3] == NULL)
ring = LEFT_3;
else if (cur_ring[LEFT_4] == NULL)
ring = LEFT_4;
else if (cur_ring[LEFT_5] == NULL)
ring = LEFT_5;
else if (cur_ring[RIGHT_1] == NULL)
ring = RIGHT_1;
else if (cur_ring[RIGHT_2] == NULL)
ring = RIGHT_2;
else if (cur_ring[RIGHT_3] == NULL)
ring = RIGHT_3;
else if (cur_ring[RIGHT_4] == NULL)
ring = RIGHT_4;
else if (cur_ring[RIGHT_5] == NULL)
ring = RIGHT_5;
else
{
msg("You already have on ten rings.");
return;
}
cur_ring[ring] = obj;
/* Calculate the effect it has on the poor guy. */
switch (obj->o_which)
{
case R_ADDSTR:
pstats.s_str += obj->o_ac;
break;
case R_ADDHIT:
pstats.s_dext += obj->o_ac;
break;
case R_ADDINTEL:
pstats.s_intel += obj->o_ac;
break;
case R_ADDWISDOM:
pstats.s_wisdom += obj->o_ac;
break;
case R_FREEDOM:
turn_off(player, ISHELD);
hold_count = 0;
break;
case R_TRUESEE:
if (off(player, PERMBLIND))
{
turn_on(player, CANTRUESEE);
msg("You become more aware of your surroundings.");
sight(NULL);
light(&hero);
mvwaddch(cw, hero.y, hero.x, PLAYER);
}
break;
case R_SEEINVIS:
if (off(player, PERMBLIND))
{
turn_on(player, CANTRUESEE);
msg("Your eyes begin to tingle.");
sight(NULL);
light(&hero);
mvwaddch(cw, hero.y, hero.x, PLAYER);
}
break;
case R_AGGR:
aggravate();
break;
case R_CARRYING:
updpack();
break;
case R_LEVITATION:
msg("You begin to float in the air!");
break;
case R_LIGHT:
if (roomin(hero) != NULL)
{
light(&hero);
mvwaddch(cw, hero.y, hero.x, PLAYER);
}
}
status(FALSE);
if (know_items[TYP_RING][obj->o_which] &&
guess_items[TYP_RING][obj->o_which])
{
mem_free(guess_items[TYP_RING][obj->o_which]);
guess_items[TYP_RING][obj->o_which] = NULL;
}
else if (!know_items[TYP_RING][obj->o_which] &&
askme &&
(obj->o_flags & ISKNOW) == 0 &&
guess_items[TYP_RING][obj->o_which] == NULL)
{
mpos = 0;
msg("What do you want to call it? ");
if (get_string(buf, cw) == NORM)
{
guess_items[TYP_RING][obj->o_which] =
new_alloc(strlen(buf) + 1);
strcpy(guess_items[TYP_RING][obj->o_which], buf);
}
msg("");
}
}
struct linked_list *
wake_monster(int y, int x)
{
struct thing *tp;
struct linked_list *it;
struct room *trp;
char *mname;
if ((it = find_mons(y, x)) == NULL)
{
debug("Can't find monster in show.");
return(NULL);
}
tp = THINGPTR(it);
if ((good_monster(*tp)) || on(player, SUMMONING))
{
chase_it(&tp->t_pos, &player);
turn_off(*tp, ISINVIS);
turn_off(*tp, CANSURPRISE);
return(it);
}
trp = roomin(tp->t_pos); /* Current room for monster */
mname = monsters[tp->t_index].m_name;
/* Let greedy ones guard gold */
if (on(*tp, ISGREED) && off(*tp, ISRUN))
if ((trp != NULL) && (lvl_obj != NULL))
{
struct linked_list *item;
struct object *cur;
for (item = lvl_obj; item != NULL; item = next(item))
{
cur = OBJPTR(item);
if ((cur->o_type == GOLD) &&
(roomin(cur->o_pos) == trp))
{
/* Run to the gold */
tp->t_horde = cur;
turn_on(*tp, ISRUN);
turn_off(*tp, ISDISGUISE);
tp->t_ischasing = FALSE;
/* Make it worth protecting */
cur->o_count += roll(2, 3) * GOLDCALC;
break;
}
}
}
/*
* Every time he sees mean monster, it might start chasing him unique
* monsters always do
*/
if ( (on(*tp, ISUNIQUE)) ||
( (rnd(100) > 33) &&
on(*tp, ISMEAN) &&
off(*tp, ISHELD) &&
off(*tp, ISRUN) &&
!is_stealth(&player) &&
(off(player, ISINVIS) || on(*tp, CANSEE))
)
)
{
chase_it(&tp->t_pos, &player);
}
/* Handle gaze attacks */
if (on(*tp, ISRUN) && cansee(tp->t_pos.y, tp->t_pos.x) &&
off(player, ISINVIS))
{
if (on(*tp, CANHUH)) /* Confusion */
{
if (on(player, CANREFLECT))
{
msg("You reflect the bewildering stare of the %s.", mname);
if (save_throw(VS_MAGIC, tp))
{
msg("The %s is confused!", mname);
turn_on(*tp, ISHUH);
}
else
msg("The %s staggers for a moment.", mname);
}
else if (save(VS_MAGIC))
{
msg("You feel dizzy for a moment, but it quickly passes.");
if (rnd(100) < 67)
turn_off(*tp, CANHUH);
}
else if (off(player, ISCLEAR))
{
if (off(player, ISHUH))
{
light_fuse(FUSE_UNCONFUSE, 0, rnd(20) + HUHDURATION, AFTER);
msg("The %s's gaze has confused you.", mname);
turn_on(player, ISHUH);
}
else
lengthen_fuse(FUSE_UNCONFUSE, rnd(20) + HUHDURATION);
}
}
if (on(*tp, CANSNORE)) /* Sleep */
{
if (on(player, CANREFLECT))
{
msg("You reflect the lethargic glance of the %s", mname);
if (save_throw(VS_PARALYZATION, tp))
{
msg("The %s falls asleep!", mname);
tp->t_no_move += SLEEPTIME;
}
}
else if (no_command == 0 && !save(VS_PARALYZATION))
{
if (is_wearing(R_ALERT))
msg("You feel slightly drowsy for a moment.");
else
{
msg("The %s's gaze puts you to sleep.", mname);
no_command = SLEEPTIME;
if (rnd(100) < 50)
turn_off(*tp, CANSNORE);
}
}
}
if (on(*tp, CANFRIGHTEN)) /* Fear */
{
turn_off(*tp, CANFRIGHTEN);
if (on(player, CANREFLECT))
{
msg("The %s sees its reflection. ", mname);
if (save_throw(VS_MAGIC,tp))
{
msg("The %s is terrified by its reflection!", mname);
turn_on(*tp, ISFLEE);
}
}
else
{
if (!save(VS_WAND) && !(on(player, ISFLEE) &&
(player.t_chasee==tp)))
{
if ((player.t_ctype != C_PALADIN) &&
off(player, SUPERHERO))
{
turn_on(player, ISFLEE);
player.t_ischasing = FALSE;
player.t_chasee = tp;
msg("The sight of the %s terrifies you.", mname);
}
else
msg("My, the %s looks ugly.", mname);
}
}
}
if (on(*tp, LOOKSLOW)) /* Slow */
{
turn_off(*tp, LOOKSLOW);
if (on(player, CANREFLECT))
{
msg("You reflect the mournful glare of the %s.", mname);
if (save_throw(VS_MAGIC,tp))
{
msg("The %s is slowing down!", mname);
turn_on(*tp, ISSLOW);
}
}
else if (is_wearing(R_FREEDOM) || save(VS_MAGIC))
msg("You feel run-down for a moment.");
else
{
if (on(player, ISHASTE)) /* Already sped up */
{
extinguish_fuse(FUSE_NOHASTE);
nohaste(NULL);
}
else
{
msg("You feel yourself moving %sslower.",
on(player, ISSLOW) ? "even " : "");
if (on(player, ISSLOW))
lengthen_fuse(FUSE_NOSLOW, rnd(4) + 4);
else
{
turn_on(player, ISSLOW);
player.t_turn = TRUE;
light_fuse(FUSE_NOSLOW, 0, rnd(4) + 4, AFTER);
}
}
}
}
if (on(*tp, CANBLIND)) /* Blinding */
{
turn_off(*tp, CANBLIND);
if (on(player, CANREFLECT))
{
msg("You reflect the blinding stare of the %s.", mname);
if (save_throw(VS_WAND, tp))
{
msg("The %s is blinded!", mname);
turn_on(*tp, ISHUH);
}
}
else if (off(player, ISBLIND))
if (save(VS_WAND) || is_wearing(R_TRUESEE) || is_wearing(R_SEEINVIS))
msg("Your eyes film over for a moment.");
else
{
msg("The gaze of the %s blinds you.", mname);
turn_on(player, ISBLIND);
light_fuse(FUSE_SIGHT, 0, rnd(30) + 20, AFTER);
look(FALSE);
}
}
if (on(*tp, LOOKSTONE)) /* Stoning */
{
turn_off(*tp, LOOKSTONE);
if (on(player, CANREFLECT))
{
msg("You reflect the flinty look of the %s.", mname);
if (save_throw(VS_PETRIFICATION,tp))
{
msg("The %s suddenly stiffens", mname);
tp->t_no_move += STONETIME;
}
else
{
msg("The %s is turned to stone!", mname);
killed(&player, it, NOMESSAGE, POINTS);
}
}
else
{
if (on(player, CANINWALL))
msg("The %s cannot focus on you.", mname);
else
{
msg("The gaze of the %s stiffens your limbs.", mname);
if (save(VS_PETRIFICATION))
no_command = STONETIME;
else if (rnd(100))
no_command = STONETIME * 3;
else
{
msg("The gaze of the %s petrifies you.", mname);
msg("You are turned to stone!!! --More--");
wait_for(' ');
death(D_PETRIFY);
return(it);
}
}
}
}
}
/*
* True Sight sees all Never see ISINWALL or CANSURPRISE See ISSHADOW
* 80% See ISINVIS with See Invisibilty
*/
if (off(player, CANTRUESEE) &&
on(*tp, ISINWALL) || on(*tp, CANSURPRISE) ||
(on(*tp, ISSHADOW) && rnd(100) < 80) ||
(on(*tp, ISINVIS) && off(player, CANSEE)))
{
/*
TODO: incomplete - need to finish logic
int ch = mvwinch(stdscr, y, x);
*/
}
/* hero might be able to hear or smell monster if he can't see it */
if ((rnd(player.t_ctype == C_THIEF ? 40 : 200) == 0 ||
on(player, CANHEAR)) && !cansee(tp->t_pos.y, tp->t_pos.x))
msg("You hear a %s nearby.", mname);
else if ((rnd(player.t_ctype == C_THIEF ? 40 : 200) == 0 ||
on(player, CANSCENT)) && !cansee(tp->t_pos.y, tp->t_pos.x))
msg("You smell a %s nearby.", mname);
return(it);
}
void
do_chase(struct thing *th, int flee)
{
struct room *rer; /* room of chaser */
struct room *ree; /* room of chasee */
struct room *old_room; /* old room of monster */
struct room *new_room; /* new room of monster */
int i, mindist = INT_MAX, maxdist = INT_MIN, dist = INT_MIN;
int last_door = -1; /* Door we just came from */
int stoprun = FALSE; /* TRUE means we are there */
int rundoor; /* TRUE means run to a door */
int hit_bad = FALSE; /* TRUE means hit bad monster */
int mon_attack; /* TRUE means find a monster to hit */
char sch;
struct linked_list *item;
coord this; /* Temporary destination for chaser */
if (!th->t_ischasing)
return;
/* Make sure the monster can move */
if (th->t_no_move != 0)
{
th->t_no_move--;
return;
}
/*
* Bad monsters check for a good monster to hit, friendly monsters
* check for a bad monster to hit.
*/
mon_attack = FALSE;
if (good_monster(*th))
{
hit_bad = TRUE;
mon_attack = TRUE;
}
else if (on(*th, ISMEAN))
{
hit_bad = FALSE;
mon_attack = TRUE;
}
if (mon_attack)
{
struct linked_list *mon_to_hit;
mon_to_hit = f_mons_a(th->t_pos.y, th->t_pos.x, hit_bad);
if (mon_to_hit)
{
mon_mon_attack(th, mon_to_hit, pick_weap(th), NOTHROWN);
return;
}
}
/* no nearby monster to hit */
rer = roomin(th->t_pos); /* Find room of chaser */
ree = roomin(th->t_chasee->t_pos); /* Find room of chasee */
/*
* We don't count doors as inside rooms for this routine
*/
if (mvwinch(stdscr, th->t_pos.y, th->t_pos.x) == DOOR)
rer = NULL;
this = th->t_chasee->t_pos;
/*
* If we are not in a corridor and not a phasing monster, then if we
* are running after the player, we run to a door if he is not in the
* same room. If we are fleeing, we run to a door if he IS in the
* same room. Note: We don't bother with doors in mazes. Phasing
* monsters don't need to look for doors. There are no doors in mazes
* and throne rooms.
*/
if (levtype != MAZELEV && levtype != THRONE && rer != NULL && off(*th, CANINWALL))
{
if (flee)
rundoor = (rer == ree);
else
rundoor = (rer != ree);
}
else
rundoor = FALSE;
if (rundoor)
{
coord d_exit; /* A particular door */
int exity, exitx; /* Door's coordinates */
if (th->t_doorgoal != -1)
{ /* Do we already have the goal? */
this = rer->r_exit[th->t_doorgoal];
dist = 0; /* Indicate that we have our door */
}
else
for (i = 0; i < rer->r_nexits; i++)
{ /* Loop through doors */
d_exit = rer->r_exit[i];
exity = d_exit.y;
exitx = d_exit.x;
/* Avoid secret doors */
if (mvwinch(stdscr, exity, exitx) == DOOR)
{
/* Were we just on this door? */
if (ce(d_exit, th->t_oldpos))
last_door = i;
else
{
dist = DISTANCE(th->t_chasee->t_pos, d_exit);
/*
* If fleeing, we want to
* maximize distance from
* door to what we flee, and
* minimize distance from
* door to us.
*/
if (flee)
dist-=DISTANCE(th->t_pos,d_exit);
/*
* Maximize distance if
* fleeing, otherwise
* minimize it
*/
if ((flee && (dist > maxdist)) ||
(!flee && (dist < mindist)))
{
th->t_doorgoal = i; /* Use this door */
this = d_exit;
mindist = maxdist = dist;
}
}
}
}
/* Could we not find a door? */
if (dist == INT_MIN)
{
/* If we were on a door, go ahead and use it */
if (last_door != -1)
{
th->t_doorgoal = last_door;
this = th->t_oldpos;
dist = 0; /* Indicate that we found a door */
}
}
/* Indicate that we do not want to flee from the door */
if (dist != INT_MIN)
flee = FALSE;
}
else
th->t_doorgoal = -1; /* Not going to any door */
/*
* this now contains what we want to run to this time so we run to
* it. If we hit it we either want to fight it or stop running
*/
if (!chase(th, &this, flee))
{
if (ce(th->t_nxtpos, hero))
{
/* merchants try to sell something */
if (on(*th, CANSELL))
{
sell(th);
return;
}
else if (off(*th, ISFRIENDLY) && off(*th, ISCHARMED)
&& (off(*th, CANFLY) || (on(*th, CANFLY) && rnd(2))))
attack(th, pick_weap(th), FALSE);
return;
}
else if (on(*th, NOMOVE))
stoprun = TRUE;
}
if (!curr_mons)
return; /* Did monster get itself killed? */
if (on(*th, NOMOVE))
return;
/* If we have a scavenger, it can pick something up */
if ((item = find_obj(th->t_nxtpos.y, th->t_nxtpos.x)) != NULL)
{
struct linked_list *node, *top = item;
struct object *obt;
while(top)
{
/* grab all objects that qualify */
struct object *obj = OBJPTR(item);
obt = OBJPTR(top);
node = obt->next_obj;
if (on(*th, ISSCAVENGE) ||
((on(*th, CANWIELD) || on(*th, CANSHOOT)) &&
(obj->o_type == WEAPON || obj->o_type == ARMOR)) ||
(on(*th, CANCAST) && is_magic(obj)))
{
rem_obj(top, FALSE);
attach(th->t_pack, top);
}
top = node;
}
light(&hero);
}
mvwaddch(cw, th->t_pos.y, th->t_pos.x, th->t_oldch);
sch = CCHAR( mvwinch(cw, th->t_nxtpos.y, th->t_nxtpos.x) );
/* Get old and new room of monster */
old_room = roomin(th->t_pos);
new_room = roomin(th->t_nxtpos);
/* If the monster can illuminate rooms, check for a change */
if (on(*th, HASFIRE))
{
/* Is monster entering a room? */
if (old_room != new_room && new_room != NULL)
{
new_room->r_flags |= HASFIRE;
new_room->r_fires++;
if (cansee(th->t_nxtpos.y, th->t_nxtpos.x) && new_room->r_fires==1)
light(&hero);
}
/* Is monster leaving a room? */
if (old_room != new_room && old_room != NULL)
{
if (--(old_room->r_fires) <= 0)
{
old_room->r_flags &= ~HASFIRE;
if (cansee(th->t_pos.y, th->t_pos.x))
light(&th->t_pos);
}
}
}
/*
* If monster is entering player's room and player can see it, stop
* the player's running.
*/
if (new_room != old_room && new_room != NULL &&
new_room == ree && cansee(th->t_nxtpos.y, th->t_nxtpos.x) &&
(off(*th, ISINVIS) || (off(*th, ISSHADOW) || rnd(10) == 0) ||
on(player, CANSEE)) && off(*th, CANSURPRISE))
running = FALSE;
if (rer != NULL && (rer->r_flags & ISDARK) &&
!(rer->r_flags & HASFIRE) && sch == FLOOR &&
DISTANCE(th->t_nxtpos, th->t_pos) < see_dist &&
off(player, ISBLIND))
th->t_oldch = ' ';
else
th->t_oldch = sch;
if (cansee(th->t_nxtpos.y, th->t_nxtpos.x) &&
off(*th, ISINWALL) &&
((off(*th, ISINVIS) && (off(*th, ISSHADOW) || rnd(100) < 10)) ||
on(player, CANSEE)) &&
off(*th, CANSURPRISE))
mvwaddch(cw, th->t_nxtpos.y, th->t_nxtpos.x, th->t_type);
mvwaddch(mw, th->t_pos.y, th->t_pos.x, ' ');
mvwaddch(mw, th->t_nxtpos.y, th->t_nxtpos.x, th->t_type);
/* Record monster's last position (if new one is different) */
if (!ce(th->t_nxtpos, th->t_pos))
th->t_oldpos = th->t_pos;
th->t_pos = th->t_nxtpos; /* Mark the monster's new position */
/* If the monster is on a trap, trap it */
sch = CCHAR(mvinch(th->t_nxtpos.y, th->t_nxtpos.x));
if (isatrap(sch))
{
debug("Monster trapped by %c.", sch);
if (cansee(th->t_nxtpos.y, th->t_nxtpos.x))
th->t_oldch = sch;
be_trapped(th, th->t_nxtpos);
}
/* And stop running if need be */
if (stoprun && ce(th->t_pos, th->t_chasee->t_pos))
{
th->t_ischasing = FALSE;
turn_off(*th, ISRUN);
}
}
int
chase(struct thing *tp, coord *ee, int flee)
{
int x, y;
int dist, thisdist, monst_dist = INT_MAX;
struct linked_list *weapon;
coord *er = &tp->t_pos;
coord shoot;
coord *shootit_dir = NULL;
int ch;
char mch;
int next_player = FALSE;
/* Take care of shooting directions */
if (on(*tp, CANBREATHE) || on(*tp, CANSHOOT) || on(*tp, CANCAST))
{
if (good_monster(*tp))
{
shootit_dir = find_shoot(tp, &shoot); /* find a mean monster */
if (wizard && shootit_dir)
msg("Found monster to attack towards (%d,%d).",
shootit_dir->x, shootit_dir->y);
}
else
shootit_dir = can_shoot(er, ee, &shoot); /* shoot hero */
}
/*
* If the thing is confused, let it move randomly. Some monsters are
* slightly confused all of the time.
*/
if ((on(*tp, ISHUH) && rnd(10) < 8) ||
((on(*tp, ISINVIS) || on(*tp, ISSHADOW)) && rnd(100) < 20) ||
(on(player, ISINVIS) && off(*tp, CANSEE)))
{ /* Player is invisible */
/* get a valid random move */
tp->t_nxtpos = rndmove(tp);
dist = DISTANCE(tp->t_nxtpos, *ee);
if (on(*tp, ISHUH) && rnd(20) == 0) /* monster might lose confusion */
turn_off(*tp, ISHUH);
/*
* check to see if random move takes creature away from
* player if it does then turn off ISHELD
*/
if (dist > 1 && on(*tp, DIDHOLD))
{
turn_off(*tp, DIDHOLD);
turn_on(*tp, CANHOLD);
if (--hold_count == 0)
turn_off(player, ISHELD);
}
} /* If we can breathe, we may do so */
else if (on(*tp, CANBREATHE) && (shootit_dir) && (rnd(100) < 67) &&
(off(player, ISDISGUISE) || (rnd(tp->t_stats.s_lvl) > 6)) &&
(DISTANCE(*er, *ee) < BOLT_LENGTH * BOLT_LENGTH))
{
int chance;
char *breath;
/* Will it breathe at random */
if (on(*tp, CANBRANDOM))
{
if (rnd(level / 20) == 0 && tp->t_index != nummonst + 1
&& !(good_monster(*tp)))
turn_off(*tp, CANBRANDOM);
/* Select type of breath */
chance = rnd(100);
if (chance < 11)
breath = "acid";
else if (chance < 22)
breath = "flame";
else if (chance < 33)
breath = "lightning bolt";
else if (chance < 44)
breath = "chlorine gas";
else if (chance < 55)
breath = "ice";
else if (chance < 66)
breath = "nerve gas";
else if (chance < 77)
breath = "sleeping gas";
else if (chance < 88)
breath = "slow gas";
else
breath = "fear gas";
} /* Or can it breathe acid? */
else if (on(*tp, CANBACID))
{
if (!good_monster(*tp) && rnd(level / 15) == 0)
turn_off(*tp, CANBACID);
breath = "acid";
} /* Or can it breathe fire */
else if (on(*tp, CANBFIRE))
{
if (!good_monster(*tp) && rnd(level / 15) == 0)
turn_off(*tp, CANBFIRE);
breath = "flame";
} /* Or can it breathe electricity? */
else if (on(*tp, CANBBOLT))
{
if (!good_monster(*tp) && rnd(level / 15) == 0)
turn_off(*tp, CANBBOLT);
breath = "lightning bolt";
} /* Or can it breathe gas? */
else if (on(*tp, CANBGAS))
{
if (!good_monster(*tp) && rnd(level / 15) == 0)
turn_off(*tp, CANBGAS);
breath = "chlorine gas";
} /* Or can it breathe ice? */
else if (on(*tp, CANBICE))
{
if (!good_monster(*tp) && rnd(level / 15) == 0)
turn_off(*tp, CANBICE);
breath = "ice";
}
else if (on(*tp, CANBPGAS))
{
if (!good_monster(*tp) && rnd(level / 15) == 0)
turn_off(*tp, CANBPGAS);
breath = "nerve gas";
}
else if (on(*tp, CANBSGAS))
{
if (!good_monster(*tp) && rnd(level / 15) == 0)
turn_off(*tp, CANBSGAS);
breath = "sleeping gas";
}
else if (on(*tp, CANBSLGAS))
{
if (!good_monster(*tp) && rnd(level / 15) == 0)
turn_off(*tp, CANBSLGAS);
breath = "slow gas";
}
else
{
if (!good_monster(*tp) && rnd(level / 15) == 0)
turn_off(*tp, CANBFGAS);
breath = "fear gas";
}
shoot_bolt(tp, *er, *shootit_dir, (tp == THINGPTR(fam_ptr)),
tp->t_index, breath, roll(tp->t_stats.s_lvl, 6));
tp->t_nxtpos = *er;
dist = DISTANCE(tp->t_nxtpos, *ee);
if (!curr_mons)
return (TRUE);
}
else if (shootit_dir && on(*tp, CANCAST) &&
(off(player, ISDISGUISE) || (rnd(tp->t_stats.s_lvl) > 6)))
{
/*
If we can cast spells we might do so - even if adjacent fleeing
monsters are restricted to certain spells
*/
incant(tp, *shootit_dir);
tp->t_nxtpos = *er;
dist = DISTANCE(tp->t_nxtpos, *ee);
}
else if (shootit_dir && on(*tp, CANSHOOT))
{
weapon = get_hurl(tp);
if (weapon &&
(off(*tp, ISFLEE) || rnd(DISTANCE(*er, *ee)) > 2) &&
(off(player, ISDISGUISE) || (rnd(tp->t_stats.s_lvl) > 6)))
{
/*
Should we shoot or throw something? fleeing monsters
may to shoot anyway if far enough away
*/
missile(shootit_dir->y, shootit_dir->x, weapon, tp);
tp->t_nxtpos = *er;
dist = DISTANCE(tp->t_nxtpos, *ee);
}
}
else
{
/*
Otherwise, find the empty spot next to the chaser that is closest
to the chasee.
*/
int ey, ex;
struct room *rer, *ree;
int dist_to_old = INT_MIN; /* Dist from goal to old position */
/* Get rooms */
rer = roomin(*er);
ree = roomin(*ee);
/*
* This will eventually hold where we move to get closer. If
* we can't find an empty spot, we stay where we are.
*/
dist = flee ? 0 : INT_MAX;
tp->t_nxtpos = *er;
/* Are we at our goal already? */
if (!flee && ce(tp->t_nxtpos, *ee))
return (FALSE);
ey = er->y + 1;
ex = er->x + 1;
for (x = er->x - 1; x <= ex; x++)
for (y = er->y - 1; y <= ey; y++)
{
coord tryp; /* test position */
/* Don't try off the screen */
if ((x < 0) || (x >= COLS) || (y < 1) || (y >= LINES - 2))
continue;
/*
* Don't try the player if not going after
* the player or he's disguised and monster is dumb
*/
if (((off(*tp, ISFLEE) && !ce(hero, *ee)) ||
(on(player, ISDISGUISE) && (rnd(tp->t_stats.s_lvl) < 6))
|| good_monster(*tp))
&& x == hero.x && y == hero.y)
continue;
tryp.x = x;
tryp.y = y;
/*
* Is there a monster on this spot closer to
* our goal? Don't look in our spot or where
* we were.
*/
if (!ce(tryp, *er) && !ce(tryp, tp->t_oldpos) &&
isalpha( (mch = CCHAR(mvwinch(mw, y, x))) ) )
{
int test_dist;
test_dist = DISTANCE(tryp,*ee);
if (test_dist <= 25 && /* Let's be fairly close */
test_dist < monst_dist)
{
/* Could we really move there? */
mvwaddch(mw, y, x, ' '); /* Temp blank monst */
if (diag_ok(er, &tryp, tp))
monst_dist = test_dist;
mvwaddch(mw, y, x, mch); /* Restore monster */
}
}
if (!diag_ok(er, &tryp, tp))
continue;
ch = mvwinch(cw, y, x); /* Screen character */
/*
* Stepping on player is NOT okay if we are
* fleeing
*/
if (on(*tp, ISFLEE) && (ch == PLAYER))
next_player = TRUE;
if (step_ok(y, x, NOMONST, tp) &&
(off(*tp, ISFLEE) || ch != PLAYER))
{
/*
* If it is a trap, an intelligent
* monster may not step on it (unless
* our hero is on top!)
*/
if (isatrap(ch))
{
if (!(ch == RUSTTRAP) &&
!(ch == FIRETRAP && on(*tp, NOFIRE)) &&
rnd(10) < tp->t_stats.s_intel &&
(y != hero.y || x != hero.x))
continue;
}
/*
* OK -- this place counts
*/
thisdist = DISTANCE(tryp, *ee);
/*
* Adjust distance if we are being
* shot at to moving out of line of sight.
*/
if (tp->t_wasshot && tp->t_stats.s_intel > 5 &&
ce(hero, *ee))
{
/* Move out of line of sight */
if (straight_shot(tryp.y, tryp.x, ee->y, ee->x, NULL))
{
if (flee)
thisdist -= SHOTPENALTY;
else
thisdist += SHOTPENALTY;
}
/*
* But do we want to leave
* the room?
*/
else if (rer && rer == ree && ch == DOOR)
thisdist += DOORPENALTY;
}
/*
* Don't move to the last position if
* we can help it
*/
if (ce(tryp, tp->t_oldpos))
dist_to_old = thisdist;
else if ((flee && (thisdist > dist)) ||
(!flee && (thisdist < dist)))
{
tp->t_nxtpos = tryp;
dist = thisdist;
}
}
}
/*
* If we are running from the player and he is in our way, go
* ahead and slug him.
*/
if (next_player && DISTANCE(*er,*ee) < dist &&
step_ok(tp->t_chasee->t_pos.y, tp->t_chasee->t_pos.x, NOMONST, tp))
{
tp->t_nxtpos = tp->t_chasee->t_pos; /* Okay to hit player */
return(FALSE);
}
/*
* If we can't get closer to the player (if that's our goal)
* because other monsters are in the way, just stay put
*/
if (!flee && ce(hero, *ee) && monst_dist < INT_MAX &&
DISTANCE(*er, hero) < dist)
tp->t_nxtpos = *er;
/* Do we want to go back to the last position? */
else if (dist_to_old != INT_MIN && /* It is possible to move back */
((flee && dist == 0) || /* No other possible moves */
(!flee && dist == INT_MAX)))
{
/* Do we move back or just stay put (default)? */
dist = DISTANCE(*er,*ee); /* Current distance */
if (!flee || (flee && (dist_to_old > dist)))
tp->t_nxtpos = tp->t_oldpos;
}
}
/* Make sure we have the real distance now */
dist = DISTANCE(tp->t_nxtpos, *ee);
/* Mark monsters in a wall */
switch(mvinch(tp->t_nxtpos.y, tp->t_nxtpos.x))
{
case WALL:
case '-':
case '|':
turn_on(*tp, ISINWALL);
break;
default:
turn_off(*tp, ISINWALL);
}
if (off(*tp, ISFLEE) &&
!(!SAME_POS((tp->t_chasee->t_pos),hero) || off(player, ISINWALL) || on(*tp, CANINWALL)))
return(dist != 0);
else /* May actually hit here from a confused move */
return(!ce(tp->t_nxtpos, hero));
}
void
wanderer(void)
{
int i, cnt = 0;
struct room *hr = roomin(hero);
struct linked_list *item;
struct thing *tp;
coord cp;
char *loc;
int which;
/* Find a place for it -- avoid the player's room */
do
{
do
{
cnt++;
i = rnd_room();
}
while (!(hr != &rooms[i] || levtype == MAZELEV
|| levtype == THRONE || cnt > 5000));
rnd_pos(&rooms[i], &cp);
}
while(!step_ok(cp.y, cp.x, NOMONST, NULL));
/* Create a new wandering monster */
item = new_item(sizeof *tp);
which = randmonster(TRUE, FALSE);
new_monster(item, which, &cp, FALSE);
tp = THINGPTR(item);
tp->t_pos = cp; /* Assign the position to the monster */
chase_it(&tp->t_pos, &player);
i = rnd(7);
if (on(*tp, ISSWARM) && i < 5)
cnt = roll(2, 4);
else if (on(*tp, ISFLOCK) && i < 5)
cnt = roll(1, 4);
else
cnt = 0;
for (i = 1; i <= cnt; i++)
{
struct linked_list *ip = creat_mons(tp, which, NOMESSAGE);
if (ip != NULL)
{
struct thing *mp = THINGPTR(ip);
if (on(*tp, ISFRIENDLY))
turn_on(*mp, ISFRIENDLY);
else
turn_off(*mp, ISFRIENDLY);
}
}
if (cnt > 0)
{
if (on(*tp, LOWCAST) || on(*tp, MEDCAST) || on(*tp, HIGHCAST))
turn_on(*tp, CANCAST);
tp->t_stats.s_hpt += roll(2, 8);
tp->t_stats.s_lvl += roll(2, 3);
tp->t_stats.s_arm -= roll(1, 6);
tp->t_stats.s_str += roll(2, 3);
tp->t_stats.s_intel += roll(2, 3);
tp->t_stats.s_exp += roll(2, 8) * monsters[which].m_add_exp;
}
i = DISTANCE(cp, hero);
if (i < 20)
loc = "very close to you";
else if (i < 400)
loc = "nearby";
else
loc = "in the distance";
if (wizard)
msg("Started a wandering %s.", monsters[tp->t_index].m_name);
else if (on(*tp, ISUNDEAD) && (player.t_ctype == C_CLERIC ||
player.t_ctype == C_PALADIN || is_wearing(R_PIETY)))
msg("You sense a new ungodly monster %s.", loc);
else if (on(player, CANHEAR) || (player.t_ctype == C_THIEF &&
rnd(20) == 0))
msg("You hear a new %s moving %s.",
monsters[tp->t_index].m_name, loc);
else if (on(player, CANSCENT) || (player.t_ctype == C_THIEF &&
rnd(20) == 0))
msg("You smell a new %s %s.", monsters[tp->t_index].m_name,
loc);
}
do_rooms()
{
register int i;
register struct room *rp;
register struct linked_list *item;
register struct thing *tp;
register int left_out;
coord top;
coord bsze;
coord mp;
/*
* bsze is the maximum room size
*/
bsze.x = cols()/3;
bsze.y = lines()/3;
/*
* Clear things for a new level
*/
for (rp = rooms; rp < &rooms[MAXROOMS]; rp++)
rp->r_goldval = rp->r_nexits = rp->r_flags = 0;
/*
* Put the gone rooms, if any, on the level
*/
left_out = rnd(4);
for (i = 0; i < left_out; i++)
rooms[rnd_room()].r_flags |= ISGONE;
/*
* dig and populate all the rooms on the level
*/
for (i = 0, rp = rooms; i < MAXROOMS; rp++, i++)
{
/*
* Find upper left corner of box that this room goes in
*/
top.x = (i%3)*bsze.x + 1;
top.y = i/3*bsze.y;
if (rp->r_flags & ISGONE)
{
/*
* Place a gone room. Make certain that there is a blank line
* for passage drawing.
*/
do
{
rp->r_pos.x = top.x + rnd(bsze.x-2) + 1;
rp->r_pos.y = top.y + rnd(bsze.y-2) + 1;
rp->r_max.x = -cols();
rp->r_max.x = -lines();
} until(rp->r_pos.y > 0 && rp->r_pos.y < lines()-1);
continue;
}
if (rnd(10) < level-1)
rp->r_flags |= ISDARK;
/*
* Find a place and size for a random room
*/
do
{
rp->r_max.x = rnd(bsze.x - 4) + 4;
rp->r_max.y = rnd(bsze.y - 4) + 4;
rp->r_pos.x = top.x + rnd(bsze.x - rp->r_max.x);
rp->r_pos.y = top.y + rnd(bsze.y - rp->r_max.y);
} until (rp->r_pos.y != 0);
/*
* Put the gold in
*/
if (rnd(100) < 50 && (!amulet || level >= max_level))
{
rp->r_goldval = GOLDCALC;
rnd_pos(rp, &rp->r_gold);
if (roomin(&rp->r_gold) != rp)
endwin(), abort();
}
draw_room(rp);
/*
* Put the monster in
*/
if (rnd(100) < (rp->r_goldval > 0 ? 80 : 25))
{
item = new_item(sizeof *tp);
tp = (struct thing *) ldata(item);
do
{
rnd_pos(rp, &mp);
} until(mvwinch(stdscr, mp.y, mp.x) == FLOOR);
new_monster(item, randmonster(FALSE), &mp);
/*
* See if we want to give it a treasure to carry around.
*/
if (rnd(100) < monsters[tp->t_type-'A'].m_carry)
attach(tp->t_pack, new_thing());
}
}
void
fall(struct thing *tp, struct linked_list *item, int pr, int player_owned)
{
struct object *obj;
struct room *rp;
coord fpos;
obj = OBJPTR(item);
rp = roomin(tp->t_pos);
if (player_owned && obj->o_flags & CANRETURN)
{
add_pack(item, NOMESSAGE);
msg("You have %s.", inv_name(obj, LOWERCASE));
return;
}
else if (fallpos(obj->o_pos, &fpos))
{
if (obj->o_flags & CANBURN && obj->o_type == WEAPON
&& obj->o_which == MOLOTOV
&& ntraps + 1 < 2 * MAXTRAPS)
{
mvaddch(fpos.y, fpos.x, FIRETRAP);
traps[ntraps].tr_type = FIRETRAP;
traps[ntraps].tr_flags = ISFOUND;
traps[ntraps].tr_show = FIRETRAP;
traps[ntraps].tr_pos = fpos;
ntraps++;
if (rp != NULL)
rp->r_flags &= ~ISDARK;
}
else
{
obj->o_pos = fpos;
add_obj(item, fpos.y, fpos.x);
}
if (rp != NULL &&
(!(rp->r_flags & ISDARK) ||
(rp->r_flags & HASFIRE)))
{
light(&hero);
mvwaddch(cw, hero.y, hero.x, PLAYER);
}
return;
}
/* get here only if there isn't a place to put it */
if (pr)
{
if (cansee(obj->o_pos.y, obj->o_pos.x))
{
if (obj->o_type == WEAPON)
addmsg("The %s", weaps[obj->o_which].w_name);
else
addmsg(inv_name(obj, LOWERCASE));
msg(" vanishes as it hits the ground.");
}
}
discard(item);
}
/*
* do_chase:
* Make one thing chase another.
*/
void
do_chase(struct thing *th, int flee)
{
register struct room *rer, *ree, /* room of chaser, room of chasee */
*old_room, /* old room of monster */
*new_room; /* new room of monster */
register int mindist = MAXINT, maxdist = MININT, dist = MININT, i,
last_door = -1; /* Door we just came from */
register int stoprun = FALSE, /* TRUE means we are there */
rundoor; /* TRUE means run to a door */
int mdead = 0;
register int sch;
coord this; /* Temporary destination for chaser */
/* Make sure the monster can move */
if (th->t_no_move != 0) {
th->t_no_move--;
return;
}
rer = roomin(&th->t_pos); /* Find room of chaser */
ree = roomin(th->t_dest); /* Find room of chasee */
/*
* We don't count doors as inside rooms for this routine
*/
if (mvwinch(stdscr, th->t_pos.y, th->t_pos.x) == DOOR)
rer = NULL;
this = *th->t_dest;
/*
* If we are not in a corridor and not a Xorn, then if we are running
* after the player, we run to a door if he is not in the same room.
* If we are fleeing, we run to a door if he IS in the same room.
* Note: We don't bother with doors in mazes.
*/
if (levtype != MAZELEV && rer != NULL && off(*th, CANINWALL)) {
if (flee) rundoor = (rer == ree);
else rundoor = (rer != ree);
}
else rundoor = FALSE;
if (rundoor) {
coord exit; /* A particular door */
int exity, exitx; /* Door's coordinates */
if (th->t_doorgoal != -1) { /* Do we already have the goal? */
this = rer->r_exit[th->t_doorgoal];
dist = 0; /* Indicate that we have our door */
}
else for (i = 0; i < rer->r_nexits; i++) { /* Loop through doors */
exit = rer->r_exit[i];
exity = exit.y;
exitx = exit.x;
/* Avoid secret doors */
if (mvwinch(stdscr, exity, exitx) == DOOR) {
/* Were we just on this door? */
if (ce(exit, th->t_oldpos)) last_door = i;
else {
dist = DISTANCE(th->t_dest->y, th->t_dest->x, exity, exitx);
/* If fleeing, we want to maximize distance from door to
* what we flee, and minimize distance from door to us.
*/
if (flee)
dist -= DISTANCE(th->t_pos.y, th->t_pos.x, exity, exitx);
/* Maximize distance if fleeing, otherwise minimize it */
if ((flee && (dist > maxdist)) ||
(!flee && (dist < mindist))) {
th->t_doorgoal = i; /* Use this door */
this = exit;
mindist = maxdist = dist;
}
}
}
}
/* Could we not find a door? */
if (dist == MININT) {
/* If we were on a door, go ahead and use it */
if (last_door != -1) {
th->t_doorgoal = last_door;
this = th->t_oldpos;
dist = 0; /* Indicate that we found a door */
}
}
/* Indicate that we do not want to flee from the door */
if (dist != MININT) flee = FALSE;
}
else th->t_doorgoal = -1; /* Not going to any door */
/*
* this now contains what we want to run to this time
* so we run to it. If we hit it we either want to fight it
* or stop running
*/
if (!chase(th, &this, flee, &mdead)) {
if (ce(ch_ret, hero)) {
/* merchants try to sell something */
if (on(*th, CANSELL))
sell(th);
else if (on(*th, ISCHARMED))
{} /* future enhancements */
else if (on(*th, ISFRIENDLY))
{}
else
attack(th, NULL, FALSE);
return;
}
else if (on(*th, NOMOVE))
stoprun = TRUE;
}
if (on(*th, ISDEAD))
return; /* Did monster get itself killed? */
if (on(*th, NOMOVE))
return;
/* If we have a scavenger, it can pick something up */
if (on(*th, ISSCAVENGE)) {
register struct linked_list *item;
if ((item = find_obj(ch_ret.y, ch_ret.x)) != NULL) {
register int floor = (roomin(&ch_ret) == NULL) ? PASSAGE : FLOOR;
detach(lvl_obj, item);
mvaddch(ch_ret.y, ch_ret.x, floor);
mvwaddch(cw, ch_ret.y, ch_ret.x, floor);
attach(th->t_pack, item);
}
}
mvwaddch(cw, th->t_pos.y, th->t_pos.x, th->t_oldch);
sch = CCHAR( mvwinch(cw, ch_ret.y, ch_ret.x) );
/* Get old and new room of monster */
old_room=roomin(&th->t_pos);
new_room=roomin(&ch_ret);
/* If the monster can illuminate rooms, check for a change */
if (on(*th, HASFIRE)) {
/* Is monster entering a room? */
if (old_room != new_room && new_room != NULL) {
new_room->r_flags |= HASFIRE;
new_room->r_fires++;
if (cansee(ch_ret.y, ch_ret.x) && new_room->r_fires == 1)
light(&hero);
}
/* Is monster leaving a room? */
if (old_room != new_room && old_room != NULL) {
if (--(old_room->r_fires) <= 0) {
old_room->r_flags &= ~HASFIRE;
if (cansee(th->t_pos.y, th->t_pos.x)) light(&th->t_pos);
}
}
}
/* If monster is entering player's room and player can see it,
* stop the player's running.
*/
if (new_room != old_room && new_room != NULL &&
new_room == ree && cansee(unc(ch_ret)) &&
(off(*th, ISINVIS) || (off(*th, ISSHADOW) || rnd(10) == 0) ||
on(player, CANSEE)) && off(*th, CANSURPRISE))
running = FALSE;
if (rer != NULL && (rer->r_flags & ISDARK) &&
!(rer->r_flags & HASFIRE) && sch == FLOOR &&
DISTANCE(ch_ret.y, ch_ret.x, th->t_pos.y, th->t_pos.x) < see_dist &&
off(player, ISBLIND))
th->t_oldch = ' ';
else
th->t_oldch = sch;
if (cansee(unc(ch_ret)) &&
off(*th, ISINWALL) &&
((off(*th, ISINVIS) && (off(*th, ISSHADOW) || rnd(100) < 10)) ||
on(player, CANSEE)) &&
off(*th, CANSURPRISE))
mvwaddch(cw, ch_ret.y, ch_ret.x, th->t_type);
mvwaddch(mw, th->t_pos.y, th->t_pos.x, ' ');
mvwaddch(mw, ch_ret.y, ch_ret.x, th->t_type);
/* Record monster's last position (if new one is different) */
if (!ce(ch_ret, th->t_pos)) th->t_oldpos = th->t_pos;
th->t_pos = ch_ret; /* Mark the monster's new position */
/* If the monster is on a trap, trap it */
sch = CCHAR( mvinch(ch_ret.y, ch_ret.x) );
if (isatrap(sch)) {
debug("Monster trapped by %c.", sch);
if (cansee(ch_ret.y, ch_ret.x)) th->t_oldch = sch;
be_trapped(th, &ch_ret);
}
/*
* And stop running if need be
*/
if (stoprun && ce(th->t_pos, *(th->t_dest)))
turn_off(*th, ISRUN);
}