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move.c
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move.c
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/*
move.c - Hero movement commands
XRogue: Expeditions into the Dungeons of Doom
Copyright (C) 1991 Robert Pietkivitch
All rights reserved.
Based on "Advanced Rogue"
Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
All rights reserved.
Based on "Rogue: Exploring the Dungeons of Doom"
Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
All rights reserved.
See the file LICENSE.TXT for full copyright and licensing information.
*/
#include <curses.h>
#include <ctype.h>
#include "rogue.h"
/*
* Used to hold the new hero position
*/
coord move_nh;
static char Moves[3][3] = {
{ 'y', 'k', 'u' },
{ 'h', '.', 'l' },
{ 'b', 'j', 'n' }
};
/*
* be_trapped:
* The guy stepped on a trap.... Make him pay.
*/
be_trapped(th, tc)
register struct thing *th;
register coord *tc;
{
register struct trap *tp;
register char ch, *mname = NULL;
register bool is_player = (th == &player),
can_see;
register struct linked_list *mitem = NULL;
register struct thing *mp;
/* Can the player see the creature? */
can_see = cansee(tc->y, tc->x);
can_see &= (is_player || !invisible(th));
tp = trap_at(tc->y, tc->x);
/*
* if he's wearing boots of elvenkind, he won't set off the trap
* unless its a magic pool (they're not really traps)
*/
if (is_player &&
cur_misc[WEAR_BOOTS] != NULL &&
cur_misc[WEAR_BOOTS]->o_which == MM_ELF_BOOTS &&
tp->tr_type != POOL)
return '\0';
/*
* if the creature is flying then it won't set off the trap
*/
if (on(*th, ISFLY))
return '\0';
tp->tr_flags |= ISFOUND;
if (!is_player) {
mitem = find_mons(th->t_pos.y, th->t_pos.x);
mname = monster_name(th);
}
else {
count = running = FALSE;
mvwaddch(cw, tp->tr_pos.y, tp->tr_pos.x, tp->tr_type);
}
switch (ch = tp->tr_type) {
case TRAPDOOR:
if (is_player) {
level++;
pstats.s_hpt -= roll(1, 10);
msg("You fell through a trap! ");
if (pstats.s_hpt < 1) {
pstats.s_hpt = -1;
death(D_FALL);
}
wclear(cw);
wclear(mw);
new_level(NORMLEV);
}
else {
if (can_see) msg("%s fell into a trap!", prname(mname, TRUE));
/*
* See if the fall killed the monster
* don't let a UNIQUE die since it might have an artifact
* that we need
*/
if (off(*th,ISUNIQUE) && (th->t_stats.s_hpt-=roll(1,10)) <= 0){
killed(mitem, FALSE, FALSE, FALSE);
}
else { /* Just move monster to next level */
check_residue(th);
/* Erase the monster from the old position */
if (isalpha(mvwinch(cw, th->t_pos.y, th->t_pos.x)))
mvwaddch(cw, th->t_pos.y, th->t_pos.x, th->t_oldch);
mvwaddch(mw, th->t_pos.y, th->t_pos.x, ' ');
/* let him summon on next lvl */
if (on (*th, HASSUMMONED)) {
turn_off(*th, HASSUMMONED);
turn_on(*th, CANSUMMON);
}
turn_on(*th,ISELSEWHERE);
detach(mlist, mitem);
attach(tlist, mitem); /* remember him next level */
/* Make sure that no one is still chasing us */
for (mitem = mlist; mitem != NULL; mitem = next(mitem)) {
mp = THINGPTR(mitem);
if (mp->t_dest == &th->t_pos) {
mp->t_dest = &hero;
mp->t_wasshot = FALSE;
turn_off(*mp, ISFLEE); /* Don't run away! */
}
}
/* Make sure we were not chasing a monster here */
th->t_dest = &hero;
if (on(*th, ISFRIENDLY)) turn_off(*th, ISFLEE);
}
}
/* worm hole trap to OUTSIDE */
when WORMHOLE:
if (is_player) {
prev_max = 1000; /* flag used in n_level.c */
level++;
msg("You suddenly find yourself in strange surroundings! ");
pstats.s_hpt -= roll(1, 10);
if (pstats.s_hpt < 1) {
pstats.s_hpt = -1;
death(D_FALL);
}
new_level(OUTSIDE);
return(ch);
}
else {
if (can_see) msg("%s fell into the worm hole! ", prname(mname, TRUE));
/*
* See if the fall killed the monster
* don't let a UNIQUE die since it might have an artifact
* that we need
*/
if (off(*th,ISUNIQUE) && (th->t_stats.s_hpt-=roll(1,10)) <= 0){
killed(mitem, FALSE, FALSE, FALSE);
}
else { /* Just move monster to next level */
check_residue(th);
/* Erase the monster from the old position */
if (isalpha(mvwinch(cw, th->t_pos.y, th->t_pos.x)))
mvwaddch(cw, th->t_pos.y, th->t_pos.x, th->t_oldch);
mvwaddch(mw, th->t_pos.y, th->t_pos.x, ' ');
/* let him summon on next lvl */
if (on (*th, HASSUMMONED)) {
turn_off(*th, HASSUMMONED);
turn_on(*th, CANSUMMON);
}
turn_on(*th,ISELSEWHERE);
detach(mlist, mitem);
attach(tlist, mitem); /* remember him next level */
/* Make sure that no one is still chasing us */
for (mitem = mlist; mitem != NULL; mitem = next(mitem)) {
mp = THINGPTR(mitem);
if (mp->t_dest == &th->t_pos) {
mp->t_dest = &hero;
mp->t_wasshot = FALSE;
turn_off(*mp, ISFLEE); /* Don't run away! */
}
}
/* Make sure we were not chasing a monster here */
th->t_dest = &hero;
if (on(*th, ISFRIENDLY)) turn_off(*th, ISFLEE);
}
}
when BEARTRAP:
if (is_stealth(th)) {
if (is_player) msg("You pass a bear trap.");
else if (can_see) msg("%s passes a bear trap.",
prname(mname, TRUE));
}
else {
th->t_no_move += movement(&player) * BEARTIME;
th->t_action = A_FREEZE;
if (is_player) msg("You are caught in a bear trap.");
else if (can_see) msg("%s is caught in a bear trap.",
prname(mname, TRUE));
}
when SLEEPTRAP:
if (is_player) {
if (!ISWEARING(R_ALERT)) {
msg("A strange white mist envelops you. You fall asleep. ");
player.t_no_move += movement(&player) * SLEEPTIME;
player.t_action = A_FREEZE;
}
else {
msg("The white mist invigorates you. ");
}
}
else {
if (can_see)
msg("A strange white mist envelops %s. ",
prname(mname, FALSE));
if (on(*th, ISUNDEAD)) {
if (can_see)
msg("The mist doesn't seem to affect %s.",
prname(mname, FALSE));
}
else {
th->t_no_move += movement(th) * SLEEPTIME;
th->t_action = A_FREEZE;
}
}
when ARROWTRAP:
if (swing(th->t_ctype, th->t_stats.s_lvl-1, th->t_stats.s_arm, 1))
{
if (is_player) {
msg("Oh no! An arrow shot you.");
if ((pstats.s_hpt -= roll(1, 8)) < 1) {
pstats.s_hpt = -1;
msg("The arrow killed you. --More--");
wait_for(' ');
death(D_ARROW);
}
}
else {
if (can_see)
msg("An arrow shot %s.", prname(mname, FALSE));
if ((th->t_stats.s_hpt -= roll(1, 8)) < 1) {
if (can_see)
msg("The arrow killed %s.", prname(mname, FALSE));
killed(mitem, FALSE, FALSE, TRUE);
}
}
}
else
{
register struct linked_list *item;
register struct object *arrow;
if (is_player) msg("An arrow shoots past you.");
else if (can_see)
msg("An arrow shoots by %s.", prname(mname, FALSE));
item = new_item(sizeof *arrow);
arrow = OBJPTR(item);
arrow->o_type = WEAPON;
arrow->contents = NULL;
arrow->o_which = ARROW;
arrow->o_hplus = rnd(7) - 1;
arrow->o_dplus = rnd(7) - 1;
init_weapon(arrow, ARROW);
arrow->o_count = 1;
arrow->o_pos = *tc;
arrow->o_mark[0] = '\0';
fall(item, FALSE);
}
when TELTRAP:
if (is_player) teleport();
else {
register int rm;
struct room *old_room; /* old room of monster */
/*
* Erase the monster from the old position
*/
if (isalpha(mvwinch(cw, th->t_pos.y, th->t_pos.x)))
mvwaddch(cw, th->t_pos.y, th->t_pos.x, th->t_oldch);
mvwaddch(mw, th->t_pos.y, th->t_pos.x, ' ');
/*
* check to see if room should go dark
*/
if (on(*th, HASFIRE)) {
old_room=roomin(&th->t_pos);
if (old_room != NULL) {
register struct linked_list *fire_item;
for (fire_item = old_room->r_fires; fire_item != NULL;
fire_item = next(fire_item)) {
if (THINGPTR(fire_item) == th) {
detach(old_room->r_fires, fire_item);
destroy_item(fire_item);
if (old_room->r_fires == NULL) {
old_room->r_flags &= ~HASFIRE;
if (can_see) light(&hero);
}
}
}
}
}
/* Get a new position */
do {
rm = rnd_room();
rnd_pos(&rooms[rm], &th->t_pos);
} until(winat(th->t_pos.y, th->t_pos.x) == FLOOR);
/* Put it there */
mvwaddch(mw, th->t_pos.y, th->t_pos.x, th->t_type);
th->t_oldch = mvwinch(cw, th->t_pos.y, th->t_pos.x);
/*
* check to see if room that creature appears in should
* light up
*/
if (on(*th, HASFIRE)) {
register struct linked_list *fire_item;
fire_item = creat_item();
ldata(fire_item) = (char *) th;
attach(rooms[rm].r_fires, fire_item);
rooms[rm].r_flags |= HASFIRE;
if(cansee(th->t_pos.y, th->t_pos.x) &&
next(rooms[rm].r_fires) == NULL)
light(&hero);
}
if (can_see)
msg("%s seems to have disappeared!", prname(mname, TRUE));
}
when DARTTRAP:
if (swing(th->t_ctype, th->t_stats.s_lvl+1, th->t_stats.s_arm, 1)) {
if (is_player) {
msg("A small dart just hit you. ");
if ((pstats.s_hpt -= roll(1, 8)) < 1) {
pstats.s_hpt = -1;
msg("The dart killed you.");
wait_for(' ');
death(D_DART);
}
/* Now the poison */
if (!save(VS_POISON, &player, 0)) {
/* 75% chance it will do point damage - else strength */
if (rnd(100) < 75) {
pstats.s_hpt /= 2;
if (pstats.s_hpt < 1) {
pstats.s_hpt = -1;
death(D_POISON);
}
}
else if (!ISWEARING(R_SUSABILITY))
chg_str(-1);
}
}
else {
if (can_see)
msg("A small dart stabs the %s. ",
prname(mname, FALSE));
if ((th->t_stats.s_hpt -= roll(1,8)) < 1) {
if (can_see)
msg("The dart killed %s.", prname(mname, FALSE));
killed(mitem, FALSE, FALSE, TRUE);
}
if (!save(VS_POISON, th, 0)) {
th->t_stats.s_hpt /= 2 + level;
if (th->t_stats.s_hpt < 1) {
if (can_see)
msg("The dart killed %s.", prname(mname,FALSE));
killed(mitem, FALSE, FALSE, TRUE);
}
}
}
}
else {
if (is_player)
msg("A small dart whizzes by your ear and vanishes.");
else if (can_see)
msg("A small dart whizzes by %s's ear and vanishes.",
prname(mname, FALSE));
}
when POOL: {
register int i;
i = rnd(100);
if (is_player) {
if ((tp->tr_flags & ISGONE)) {
if (i < 56) {
teleport(); /* teleport away */
pool_teleport = TRUE;
}
else if((i < 72) && level > 4) {
level -= rnd(4) + 1;
cur_max = level;
new_level(NORMLEV);
pool_teleport = TRUE;
msg("You here a faint groan from below.");
}
else if(i < 85) {
level += rnd(4) + 1;
new_level(NORMLEV);
pool_teleport = TRUE;
msg("You find yourself in strange surroundings.");
}
else if(i > 96) {
msg("Oh no!!! You drown in the pool!!! --More--");
wait_for(' ');
pstats.s_hpt = -1;
death(D_DROWN);
}
else {
new_level(NORMLEV);
pool_teleport = TRUE;
msg("You are whisked away to another region.");
}
}
}
else {
if (i < 60) {
if (can_see) {
/* Drowns */
if (i < 50)
msg("%s drowned in the pool!", prname(mname, TRUE));
/* Teleported to another level */
else msg("%s disappeared!", prname(mname, TRUE));
}
killed(mitem, FALSE, FALSE, TRUE);
}
}
}
when MAZETRAP:
if (is_player) {
pstats.s_hpt -= roll(1, 10);
level++;
if (pstats.s_hpt < 1) {
pstats.s_hpt = -1;
death(D_FALL);
}
wclear(cw);
wclear(mw);
new_level(MAZELEV);
msg("You are surrounded by twisty passages! ");
}
else {
if (can_see) msg("%s fell into a maze trap!", prname(mname, TRUE));
if (on(*th, ISUNIQUE)) {
check_residue(th);
/* Erase the monster from the old position */
if (isalpha(mvwinch(cw, th->t_pos.y, th->t_pos.x)))
mvwaddch(cw, th->t_pos.y, th->t_pos.x, th->t_oldch);
mvwaddch(mw, th->t_pos.y, th->t_pos.x, ' ');
/* let him summon on next lvl */
if (on (*th, HASSUMMONED)) {
turn_off(*th, HASSUMMONED);
turn_on(*th, CANSUMMON);
}
turn_on(*th,ISELSEWHERE);
detach(mlist, mitem);
attach(tlist, mitem); /* remember him next level */
/* Make sure that no one is still chasing us */
for (mitem = mlist; mitem != NULL; mitem = next(mitem)) {
mp = THINGPTR(mitem);
if (mp->t_dest == &th->t_pos) {
mp->t_dest = &hero;
mp->t_wasshot = FALSE;
turn_off(*mp, ISFLEE); /* Don't run away! */
}
}
/* Make sure we were not chasing a monster here */
th->t_dest = &hero;
if (on(*th, ISFRIENDLY)) turn_off(*th, ISFLEE);
}
else
killed(mitem, FALSE, FALSE, FALSE);
}
}
/* Move the cursor back onto the hero */
wmove(cw, hero.y, hero.x);
flushinp();
return(ch);
}
/*
* blue_light:
* magically light up a room (or level or make it dark)
*/
bool
blue_light(blessed, cursed)
bool blessed, cursed;
{
register struct room *rp;
bool ret_val=FALSE; /* Whether or not affect is known */
rp = roomin(&hero); /* What room is hero in? */
/* Darken the room if the magic is cursed */
if (cursed) {
if ((rp == NULL) || !lit_room(rp)) msg(nothing);
else {
rp->r_flags |= ISDARK;
if (!lit_room(rp) && (levtype != OUTSIDE || !daytime) &&
!ISWEARING(R_LIGHT))
msg("The %s suddenly goes dark.",
levtype == OUTSIDE ? "area" : "room");
else msg(nothing);
ret_val = TRUE;
}
}
else {
ret_val = TRUE;
if (rp && !lit_room(rp) &&
(levtype != OUTSIDE || !daytime)) {
addmsg("The %s is lit", levtype == OUTSIDE ? "area" : "room");
addmsg(" by a %s blue light.", blessed ? "bright" : "shimmering");
endmsg();
}
else if (winat(hero.y, hero.x) == PASSAGE)
msg("The corridor glows %sand then fades",
blessed ? "brightly " : "");
else {
ret_val = FALSE;
msg(nothing);
}
if (blessed) {
register int i; /* Index through rooms */
for (i=0; i<MAXROOMS; i++)
rooms[i].r_flags &= ~ISDARK;
}
else if (rp) rp->r_flags &= ~ISDARK;
}
/*
* Light the room and put the player back up
*/
light(&hero);
mvwaddch(cw, hero.y, hero.x, PLAYER);
return(ret_val);
}
/*
* corr_move:
* Check to see that a move is legal. If so, return correct character.
* If not, if player came from a legal place, then try to turn him.
*/
corr_move(dy, dx)
int dy, dx;
{
int legal=0; /* Number of legal alternatives */
register int y, x, /* Indexes though possible positions */
locy = 0, locx = 0; /* Hold delta of chosen location */
/* New position */
move_nh.y = hero.y + dy;
move_nh.x = hero.x + dx;
/* If it is a legal move, just return */
if (move_nh.x >= 0 && move_nh.x < cols && move_nh.y > 0 && move_nh.y < lines - 2) {
switch (winat(move_nh.y, move_nh.x)) {
case WALL:
case VERTWALL:
case HORZWALL:
break;
default:
if (diag_ok(&hero, &move_nh, &player))
return;
}
}
/* Check legal places surrounding the player -- ignore previous position */
for (y = hero.y - 1; y <= hero.y + 1; y++) {
if (y < 1 || y > lines - 3)
continue;
for (x = hero.x - 1; x <= hero.x + 1; x++) {
/* Ignore borders of the screen */
if (x < 0 || x > cols - 1)
continue;
/*
* Ignore where we came from, where we are, and where we couldn't go
*/
if ((x == hero.x - dx && y == hero.y - dy) ||
(x == hero.x + dx && y == hero.y + dy) ||
(x == hero.x && y == hero.y))
continue;
switch (winat(y, x)) {
case WALL:
case VERTWALL:
case HORZWALL:
break;
default:
move_nh.y = y;
move_nh.x = x;
if (diag_ok(&hero, &move_nh, &player)) {
legal++;
locy = y - (hero.y - 1);
locx = x - (hero.x - 1);
}
}
}
}
/* If we have 2 or more legal moves, make no change */
if (legal != 1) {
return;
}
runch = Moves[locy][locx];
/*
* For mazes, pretend like it is the beginning of a new run at each turn
* in order to get the lighting correct.
*/
if (levtype == MAZELEV) firstmove = TRUE;
return;
}
/*
* dip_it:
* Dip an object into a magic pool
*/
dip_it()
{
reg struct linked_list *what;
reg struct object *ob;
reg struct trap *tp;
reg int wh, i;
tp = trap_at(hero.y,hero.x);
if (tp == NULL || tp->tr_type != POOL) {
msg("I see no shimmering pool here");
return;
}
if (tp->tr_flags & ISGONE) {
msg("This shimmering pool appears to have been used once already.");
return;
}
/* It takes 3 movement periods to dip something */
if (player.t_action != C_DIP) {
if ((what = get_item(pack, "dip", ALL, FALSE, FALSE)) == NULL) {
msg("");
after = FALSE;
return;
}
ob = OBJPTR(what);
if (ob == cur_armor ||
ob == cur_misc[WEAR_BOOTS] ||
ob == cur_misc[WEAR_JEWEL] ||
ob == cur_misc[WEAR_GAUNTLET] ||
ob == cur_misc[WEAR_CLOAK] ||
ob == cur_misc[WEAR_BRACERS] ||
ob == cur_misc[WEAR_NECKLACE] ||
ob == cur_ring[LEFT_1] || ob == cur_ring[LEFT_2] ||
ob == cur_ring[LEFT_3] || ob == cur_ring[LEFT_4] ||
ob == cur_ring[RIGHT_1] || ob == cur_ring[RIGHT_2] ||
ob == cur_ring[RIGHT_3] || ob == cur_ring[RIGHT_4]) {
mpos = 0;
msg("You'll have to take it off first.");
return;
}
player.t_using = what; /* Remember what it is */
player.t_action = C_DIP; /* We are dipping */
player.t_no_move = 3 * movement(&player);
return;
}
/* We have waited our time, let's dip it */
what = player.t_using;
player.t_using = NULL;
player.t_action = A_NIL;
ob = OBJPTR(what);
tp->tr_flags |= ISGONE;
if (ob != NULL) {
wh = ob->o_which;
ob->o_flags |= ISKNOW;
i = rnd(100);
if (ob->o_group != 0)
ob->o_group = newgrp(); /* change the group */
switch(ob->o_type) {
case WEAPON:
if(i < 60) { /* enchant weapon here */
if ((ob->o_flags & ISCURSED) == 0) {
ob->o_hplus += 1;
ob->o_dplus += 1;
}
else { /* weapon was prev cursed here */
ob->o_hplus = rnd(2);
ob->o_dplus = rnd(2);
}
ob->o_flags &= ~ISCURSED;
msg("The %s glows blue for a moment.",weaps[wh].w_name);
}
else if(i < 75) { /* curse weapon here */
if ((ob->o_flags & ISCURSED) == 0) {
ob->o_hplus = -(rnd(2)+1);
ob->o_dplus = -(rnd(2)+1);
}
else { /* if already cursed */
ob->o_hplus--;
ob->o_dplus--;
}
ob->o_flags |= ISCURSED;
msg("The %s glows red for a moment.",weaps[wh].w_name);
}
else
msg(nothing);
when ARMOR:
if (i < 60) { /* enchant armor */
if((ob->o_flags & ISCURSED) == 0)
ob->o_ac -= rnd(2) + 1;
else
ob->o_ac = -rnd(3)+ armors[wh].a_class;
ob->o_flags &= ~ISCURSED;
msg("The %s glows blue for a moment",armors[wh].a_name);
}
else if(i < 75){ /* curse armor */
if ((ob->o_flags & ISCURSED) == 0)
ob->o_ac = rnd(3)+ armors[wh].a_class;
else
ob->o_ac += rnd(2) + 1;
ob->o_flags |= ISCURSED;
msg("The %s glows red for a moment.",armors[wh].a_name);
}
else
msg(nothing);
when STICK: {
int j;
j = rnd(14) + 1;
if(i < 60) { /* add charges */
ob->o_charges += j;
ws_know[wh] = TRUE;
if (ob->o_flags & ISCURSED)
ob->o_flags &= ~ISCURSED;
msg("The %s %s glows blue for a moment.",
ws_made[wh],ws_type[wh]);
}
else if(i < 75) { /* remove charges */
if ((ob->o_charges -= i) < 0)
ob->o_charges = 0;
ws_know[wh] = TRUE;
if (ob->o_flags & ISBLESSED)
ob->o_flags &= ~ISBLESSED;
else
ob->o_flags |= ISCURSED;
msg("The %s %s glows red for a moment.",
ws_made[wh],ws_type[wh]);
}
else
msg(nothing);
}
when SCROLL:
s_know[wh] = TRUE;
msg("The '%s' scroll unfurls.",s_names[wh]);
when POTION:
p_know[wh] = TRUE;
msg("The %s potion bubbles for a moment.. ",p_colors[wh]);
when RING:
if(i < 60) { /* enchant ring */
if ((ob->o_flags & ISCURSED) == 0)
ob->o_ac += rnd(2) + 1;
else
ob->o_ac = rnd(2) + 1;
ob->o_flags &= ~ISCURSED;
}
else if(i < 75) { /* curse ring */
if ((ob->o_flags & ISCURSED) == 0)
ob->o_ac = -(rnd(2) + 1);
else
ob->o_ac -= (rnd(2) + 1);
ob->o_flags |= ISCURSED;
}
r_know[wh] = TRUE;
msg("The %s ring vibrates for a moment.",r_stones[wh]);
when MM:
m_know[wh] = TRUE;
switch (ob->o_which) {
case MM_BRACERS:
case MM_PROTECT:
if(i < 60) { /* enchant item */
if ((ob->o_flags & ISCURSED) == 0)
ob->o_ac += rnd(2) + 1;
else
ob->o_ac = rnd(2) + 1;
ob->o_flags &= ~ISCURSED;
}
else if(i < 75) { /* curse item */
if ((ob->o_flags & ISCURSED) == 0)
ob->o_ac = -(rnd(2) + 1);
else
ob->o_ac -= (rnd(2) + 1);
ob->o_flags |= ISCURSED;
}
msg("The item vibrates for a moment.");
when MM_CHOKE:
case MM_DISAPPEAR:
ob->o_ac = 0;
msg ("The dust dissolves in the pool!");
}
otherwise:
msg("The pool bubbles up for a moment.. ");
}
updpack(FALSE, &player);
}
else
msg(nothing);
}
/*
* do_move:
* Check to see that a move is legal. If it is handle the
* consequences (fighting, picking up, etc.)
*/
do_move(dy, dx)
int dy, dx;
{
register struct room *rp, *orp;
register unsigned char ch;
struct linked_list *item;
register struct thing *tp = NULL;
coord old_hero;
register int wasfirstmove, moved, num_hits;
bool changed=FALSE; /* Did we switch places with a friendly monster? */
wasfirstmove = firstmove;
firstmove = FALSE;
curprice = -1; /* if in trading post, we've moved off obj */
/*
* Do a confused move (maybe)
*/
if (player.t_action == A_NIL &&
((on(player, ISHUH) && rnd(100) < 80) ||
(on(player, ISDANCE) && rnd(100) < 90) ||
(ISWEARING(R_DELUSION) && rnd(100) < 70)))
{
/* Get a random move */
move_nh = rndmove(&player);
dy = move_nh.y - hero.y;
dx = move_nh.x - hero.x;
}
else {
move_nh.y = hero.y + dy;
move_nh.x = hero.x + dx;
}
/*
* Check if he tried to move off the screen or make an illegal
* diagonal move, and stop him if he did.
*/
if (move_nh.x < 0 || move_nh.x > cols-1 || move_nh.y < 1 || move_nh.y >= lines - 2
|| !diag_ok(&hero, &move_nh, &player))
{
after = running = FALSE;
player.t_action = A_NIL;
return;
}
if (running && ce(hero, move_nh))
after = running = FALSE;
ch = winat(move_nh.y, move_nh.x);
/* Take care of hero trying to move close to something frightening */
if (on(player, ISFLEE)) {
if (rnd(100) < 12) {
turn_off(player, ISFLEE);
msg("You regain your composure.");
}
else if (DISTANCE(move_nh.y, move_nh.x, player.t_dest->y, player.t_dest->x) <
DISTANCE(hero.y, hero.x, player.t_dest->y, player.t_dest->x)) {
running = FALSE;
msg("You are too terrified to move that way");
player.t_action = A_NIL;
player.t_no_move = movement(&player);
return;
}
}
/* If we want to move to a monster, see what it is */
if (isalpha(ch)) {
item = find_mons(move_nh.y, move_nh.x);
if (item == NULL) {
debug("Cannot find monster in move.");
player.t_action = A_NIL;
return;
}
tp = THINGPTR(item);
}
/*
* Take care of hero being held. If the player is being held, he
* can't move unless he is either attacking a non-friendly monster
* or attacking a friendly monster that can't move.
*/
if (on(player, ISHELD) &&
(!isalpha(ch) || (on(*tp, ISFRIENDLY) && off(*tp, ISHELD)))) {
msg("You are being held.");
player.t_action = A_NIL;
return;
}
/* See if we have to wait for our movement rate */
if (player.t_action == A_NIL) {
after = FALSE;
firstmove = wasfirstmove; /* Remember if this is first move */
player.t_no_move = movement(&player);
if (player.t_ctype == C_MONK)
player.t_no_move -= pstats.s_lvl/6;
if (on(player, ISFLY))
player.t_no_move /= 2; /* If flying, speed him up */
if (player.t_no_move < 1) player.t_no_move = 1;
/* Remember our action */
player.t_action = Moves[dy+1][dx+1];
return;
}
/* Now let's forget the old move and just do it */
player.t_action = A_NIL;
/* If we're moving onto a friendly monster, let's change places. */
if (isalpha(ch) && on(*tp, ISFRIENDLY) && off(*tp, ISHELD)) {
coord tpos, /* Where monster may have been going */
current; /* Current hero position */
int action; /* The monster's action */
current = hero;
tpos = tp->t_newpos;
action = tp->t_action;
/* Disrupt whatever our friend was doing */
tp->t_action = A_NIL;
/* Tentatively move us to where he is */
hero = tp->t_pos;
/* See if we can move him to where we were */
tp->t_newpos = current;
do_chase(tp);
/* Did we succeed? */
if (ce(tp->t_pos, current)) {
/* Reset our idea of what ch is */
ch = winat(move_nh.y, move_nh.x);
/* Let it be known that we made the switch */
changed = TRUE;
old_hero = current;
/* Make the monster think it didn't move */
tp->t_oldpos = current;
tp->t_doorgoal.x = tp->t_doorgoal.y = -1;
/* Let the player know something funny happened. */
msg("What a sidestep!");
}
else {
/* Restore things -- we couldn't move */
hero = current;
tp->t_newpos = tpos;
tp->t_action = action;
}
}
/* assume he's not in a wall */
if (!isalpha(ch)) turn_off(player, ISINWALL);
switch (ch) {
case VERTWALL:
case HORZWALL:
if (levtype == OUTSIDE) {
hero = move_nh;