/*
* Manipulate an adjacent grid in some way
*
* Attack monsters, tunnel through walls, disarm traps, open doors.
*
* This command must always take energy, to prevent free detection
* of invisible monsters.
*
* The "semantics" of this command must be chosen before the player
* is confused, and it must be verified against the new grid.
*/
void do_cmd_alter_aux(int dir)
{
int y, x;
bool more = FALSE;
/* Get location */
y = p_ptr->py + ddy[dir];
x = p_ptr->px + ddx[dir];
/* Take a turn */
p_ptr->energy_use = 100;
/* Apply confusion */
if (player_confuse_dir(p_ptr, &dir, FALSE)) {
/* Get location */
y = p_ptr->py + ddy[dir];
x = p_ptr->px + ddx[dir];
}
/* Attack monsters */
if (cave->m_idx[y][x] > 0)
py_attack(y, x);
/* Tunnel through walls and rubble */
else if (cave_isdiggable(cave, y, x))
more = do_cmd_tunnel_aux(y, x);
/* Open closed doors */
else if (cave_iscloseddoor(cave, y, x))
more = do_cmd_open_aux(y, x);
/* Disarm traps */
else if (cave_isknowntrap(cave, y, x))
more = do_cmd_disarm_aux(y, x);
/* Oops */
else
msg("You spin around.");
/* Cancel repetition unless we can continue */
if (!more) disturb(p_ptr, 0, 0);
}
/**
* Manipulate an adjacent grid in some way
*
* Attack monsters, tunnel through walls, disarm traps, open doors.
*
* This command must always take energy, to prevent free detection
* of invisible monsters.
*
* The "semantics" of this command must be chosen before the player
* is confused, and it must be verified against the new grid.
*/
void do_cmd_alter_aux(int dir)
{
int y, x;
bool more = false;
/* Get location */
y = player->py + ddy[dir];
x = player->px + ddx[dir];
/* Take a turn */
player->upkeep->energy_use = z_info->move_energy;
/* Apply confusion */
if (player_confuse_dir(player, &dir, false)) {
/* Get location */
y = player->py + ddy[dir];
x = player->px + ddx[dir];
}
/* Action depends on what's there */
if (cave->squares[y][x].mon > 0)
/* Attack monsters */
py_attack(y, x);
else if (square_isdiggable(cave, y, x))
/* Tunnel through walls and rubble */
more = do_cmd_tunnel_aux(y, x);
else if (square_iscloseddoor(cave, y, x))
/* Open closed doors */
more = do_cmd_open_aux(y, x);
else if (square_isknowntrap(cave, y, x))
/* Disarm traps */
more = do_cmd_disarm_aux(y, x);
else
/* Oops */
msg("You spin around.");
/* Cancel repetition unless we can continue */
if (!more) disturb(player, 0);
}
/**
* Open a closed/locked/jammed door or a closed/locked chest.
*
* Unlocking a locked chest is worth one experience point; since doors are
* player lockable, there is no experience for unlocking doors.
*/
void do_cmd_open(struct command *cmd)
{
int y, x, dir;
struct object *obj;
bool more = false;
int err;
struct monster *m;
/* Get arguments */
err = cmd_get_arg_direction(cmd, "direction", &dir);
if (err || dir == DIR_UNKNOWN) {
int y2, x2;
int n_closed_doors, n_locked_chests;
n_closed_doors = count_feats(&y2, &x2, square_iscloseddoor, false);
n_locked_chests = count_chests(&y2, &x2, CHEST_OPENABLE);
if (n_closed_doors + n_locked_chests == 1) {
dir = coords_to_dir(y2, x2);
cmd_set_arg_direction(cmd, "direction", dir);
} else if (cmd_get_direction(cmd, "direction", &dir, false)) {
return;
}
}
/* Get location */
y = player->py + ddy[dir];
x = player->px + ddx[dir];
/* Check for chest */
obj = chest_check(y, x, CHEST_OPENABLE);
/* Check for door */
if (!obj && !do_cmd_open_test(y, x)) {
/* Cancel repeat */
disturb(player, 0);
return;
}
/* Take a turn */
player->upkeep->energy_use = z_info->move_energy;
/* Apply confusion */
if (player_confuse_dir(player, &dir, false)) {
/* Get location */
y = player->py + ddy[dir];
x = player->px + ddx[dir];
/* Check for chest */
obj = chest_check(y, x, CHEST_OPENABLE);
}
/* Monster */
m = square_monster(cave, y, x);
if (m) {
/* Mimics surprise the player */
if (is_mimicking(m)) {
become_aware(m);
/* Mimic wakes up */
mon_clear_timed(m, MON_TMD_SLEEP, MON_TMD_FLG_NOMESSAGE, false);
} else {
/* Message */
msg("There is a monster in the way!");
/* Attack */
py_attack(y, x);
}
} else if (obj) {
/* Chest */
more = do_cmd_open_chest(y, x, obj);
} else {
/* Door */
more = do_cmd_open_aux(y, x);
}
/* Cancel repeat unless we may continue */
if (!more) disturb(player, 0);
}
/*
* Open a closed/locked/jammed door or a closed/locked chest.
*
* Unlocking a locked door/chest is worth one experience point.
*/
void do_cmd_open(cmd_code code, cmd_arg args[])
{
int y, x, dir;
s16b o_idx;
bool more = FALSE;
dir = args[0].direction;
/* Get location */
y = p_ptr->py + ddy[dir];
x = p_ptr->px + ddx[dir];
/* Check for chests */
o_idx = chest_check(y, x);
/* Verify legality */
if (!o_idx && !do_cmd_open_test(y, x))
{
/* Cancel repeat */
disturb(0, 0);
return;
}
/* Take a turn */
p_ptr->energy_use = 100;
/* Apply confusion */
if (confuse_dir(&dir))
{
/* Get location */
y = p_ptr->py + ddy[dir];
x = p_ptr->px + ddx[dir];
/* Check for chest */
o_idx = chest_check(y, x);
}
/* Monster */
if (cave_m_idx[y][x] > 0)
{
if (mon_list[cave_m_idx[y][x]].align & (AL_PET_MASK))
msg_print("There is a friendly monster in the way!");
else
{
/* Message */
msg_print("There is a monster in the way!");
/* Attack */
py_attack(y, x);
}
}
/* Chest */
else if (o_idx)
{
/* Open the chest */
more = do_cmd_open_chest(y, x, o_idx);
}
/* Door */
else
{
/* Open the door */
more = do_cmd_open_aux(y, x);
}
/* Cancel repeat unless we may continue */
if (!more) disturb(0, 0);
}
/*
* Manipulate an adjacent grid in some way
*
* Attack monsters, tunnel through walls, disarm traps, open doors.
*
* This command must always take energy, to prevent free detection
* of invisible monsters.
*
* The "semantics" of this command must be chosen before the player
* is confused, and it must be verified against the new grid.
*/
void do_cmd_alter_aux(int dir)
{
int y, x;
int feat;
bool more = FALSE;
/* Get location */
y = p_ptr->py + ddy[dir];
x = p_ptr->px + ddx[dir];
/* Original feature */
feat = cave_feat[y][x];
/* Must have knowledge to know feature XXX XXX */
if (!(cave_info[y][x] & (CAVE_MARK))) feat = FEAT_NONE;
/* Take a turn */
p_ptr->energy_use = 100;
/* Apply confusion */
if (confuse_dir(&dir))
{
/* Get location */
y = p_ptr->py + ddy[dir];
x = p_ptr->px + ddx[dir];
}
/* Attack monsters */
if (cave_m_idx[y][x] > 0)
{
if (mon_list[cave_m_idx[y][x]].align & (AL_PET_MASK))
{
msg_print("There is a friendly monster in the way!");
}
else
{
/* Attack */
py_attack(y, x);
}
}
/* Tunnel through walls */
else if (feat >= FEAT_SECRET)
{
more = do_cmd_tunnel_aux(y, x);
}
#if 0
/* Bash jammed doors */
else if (feat >= FEAT_DOOR_HEAD + 0x08)
{
more = do_cmd_bash_aux(y, x);
}
#endif
/* Open closed doors */
else if (feat >= FEAT_DOOR_HEAD)
{
more = do_cmd_open_aux(y, x);
}
/* Disarm traps */
else if (feat >= FEAT_TRAP_HEAD)
{
more = do_cmd_disarm_aux(y, x);
}
#if 0
/* Close open doors */
else if (feat == FEAT_OPEN)
{
more = do_cmd_close_aux(y, x);
}
#endif
/* Oops */
else
{
msg_print("You spin around.");
}
/* Cancel repetition unless we can continue */
if (!more) disturb(0, 0);
}
/**
* Move player in the given direction, with the given "pickup" flag.
*
* This routine should only be called when energy has been expended.
*
* Note that this routine handles monsters in the destination grid,
* and also handles attempting to move into walls/doors/etc.
*/
void move_player(int dir)
{
int py = p_ptr->py;
int px = p_ptr->px;
byte str_escape, dex_escape;
/* Permit the player to move? */
bool can_move = FALSE;
/* Player is jumping off a cliff */
bool falling = FALSE;
/* Player hits a trap (always unless flying) */
bool trapped = TRUE;
int temp;
int y, x;
/* Find the result of moving */
y = py + ddy[dir];
x = px + ddx[dir];
/* Hack -- attack monsters */
if (cave_m_idx[y][x] > 0) {
/* Attack */
if (py_attack(y, x, TRUE))
return;
}
/* It takes some dexterity, or failing that strength, to get out of pits */
if (cave_feat[p_ptr->py][p_ptr->px] == (FEAT_TRAP_HEAD + 0x01)) {
str_escape = adj_dex_dis[p_ptr->state.stat_ind[A_STR]];
dex_escape = adj_dex_dis[p_ptr->state.stat_ind[A_DEX]];
/* First attempt to leap out of the pit, */
if ((dex_escape + 1) * 2 < randint1(16)) {
/* then attempt to climb out of the pit. */
if (str_escape + 3 < randint1(16)) {
/* Failure costs a turn. */
msg_print("You remain stuck in the pit.");
return;
} else
msg_print("You clamber out of the pit.");
} else
msg_print("You leap out of the pit.");
}
/* Option to disarm a visible trap. -TNB- */
/* Hack - Rogues can walk over their own trap - BR */
if (OPT(easy_alter) && (cave_feat[y][x] >= FEAT_TRAP_HEAD)
&& (cave_feat[y][x] <= FEAT_TRAP_TAIL))
{
bool more = FALSE;
/* Auto-repeat if not already repeating */
if (cmd_get_nrepeats() == 0)
cmd_set_repeat(99);
more = do_cmd_disarm_aux(y, x);
/* Cancel repeat unless we may continue */
if (!more)
disturb(0, 0);
return;
}
/* Some terrain is impassable for the player, such as stone walls. */
else if (!cave_passable_bold(y, x)) {
/* Disturb the player */
disturb(0, 0);
/* Notice unknown obstacles */
if (!(cave_info[y][x] & (CAVE_MARK))) {
/* Closed door */
if (cave_feat[y][x] < FEAT_SECRET) {
message(MSG_HITWALL, 0, "You feel a door blocking your way.");
cave_info[y][x] |= (CAVE_MARK);
light_spot(y, x);
}
/* Wall (or secret door) */
else {
message(MSG_HITWALL, 0, "You feel a wall blocking your way.");
cave_info[y][x] |= (CAVE_MARK);
light_spot(y, x);
}
}
/* Mention known obstacles */
else {
/* Closed door */
if (cave_feat[y][x] < FEAT_SECRET) {
/* Option to automatically open doors. -TNB- */
if (OPT(easy_alter)) {
bool more = FALSE;
/* Auto-repeat if not already repeating */
if (cmd_get_nrepeats() == 0)
cmd_set_repeat(99);
/* Open the door */
more = do_cmd_open_aux(y, x);
/* Cancel repeat unless we may continue */
if (!more)
disturb(0, 0);
return;
}
/* Otherwise, a message. */
message(MSG_HITWALL, 0, "There is a door blocking your way.");
}
/* Wall (or secret door) */
else {
message(MSG_HITWALL, 0, "There is a wall blocking your way.");
}
}
/* Sound */
sound(MSG_HITWALL);
}
/* Normal movement */
else
{
/*** Handle traversable terrain. ***/
switch (cave_feat[y][x]) {
case FEAT_RUBBLE:
{
/* Dwarves move easily through rubble */
if (player_has(PF_DWARVEN))
can_move = TRUE;
/* Bats, dragons can fly */
else if ((p_ptr->schange == SHAPE_BAT)
|| (p_ptr->schange == SHAPE_WYRM))
can_move = TRUE;
else if (player_is_crossing == dir)
{
can_move = TRUE;
player_is_crossing = 0;
}
else
{
player_is_crossing = dir;
cmd_insert(CMD_WALK);
}
break;
}
case FEAT_TREE:
case FEAT_TREE2:
{
/* Druids, rangers, elves and ents (SJGU) slip easily under
* trees */
if (((player_has(PF_WOODSMAN)) || (player_has(PF_ELVEN)))
|| (player_has(PF_WOODEN)))
can_move = TRUE;
/* Bats, dragons can fly */
else if ((p_ptr->schange == SHAPE_BAT)
|| (p_ptr->schange == SHAPE_WYRM))
can_move = TRUE;
/* Allow movement only if partway through already. */
else if (player_is_crossing == dir)
{
can_move = TRUE;
player_is_crossing = 0;
}
else
{
player_is_crossing = dir;
cmd_insert(CMD_WALK);
}
break;
}
case FEAT_WATER: /* Water now slows rather than stopping -NRM- */
{
/* Stop any run. */
disturb(0, 0);
can_move = TRUE;
/* Speed will need updating */
p_ptr->update |= PU_BONUS;
break;
}
case FEAT_LAVA:
{
/* Assume player will continue. */
temp = TRUE;
/* Smart enough to stop running. */
if (p_ptr->running) {
if (!get_check("Lava blocks your path. Step into it? ")) {
temp = FALSE;
p_ptr->running = 0;
}
}
/* Smart enough to sense trouble. */
else if ((!p_resist_pos(P_RES_FIRE))
|| (!p_resist_strong(P_RES_FIRE)
&& (p_ptr->chp <= 100))
|| (!p_immune(P_RES_FIRE) && (p_ptr->chp <= 30))) {
if (!get_check
("The heat of the lava scalds you! Really enter? ")) {
temp = FALSE;
}
}
/* Enter if OK or confirmed. */
if (temp) {
/* Can always cross. */
can_move = TRUE;
/* Feather fall makes one lightfooted. */
if (p_ptr->state.ffall) {
notice_obj(OF_FEATHER, 0);
temp = 49 + randint1(51);
} else
temp = 124 + randint1(126);
/* Will take serious fire damage. */
fire_dam(temp, "burnt to a cinder in molten lava");
}
break;
}
case FEAT_VOID:
{
/* Bats, dragons can fly */
if ((p_ptr->schange == SHAPE_BAT)
|| (p_ptr->schange == SHAPE_WYRM))
can_move = TRUE;
else {
/* Assume player will continue. */
temp = TRUE;
/* Smart enough to stop running. */
if (p_ptr->running) {
if (!get_check
("You have come to a cliff. Step off it? ")) {
temp = FALSE;
p_ptr->running = 0;
}
}
/* Smart enough to sense trouble. */
else if (!p_ptr->timed[TMD_BLIND]) {
if (!get_check("It's a cliff! Really step off it? ")) {
temp = FALSE;
}
}
/* Step off if confirmed. */
if (temp) {
/* Can always jump. */
can_move = TRUE;
/* Will take serious damage. */
falling = TRUE;
}
}
break;
}
default:
{
/* All other terrain can be traversed normally. */
can_move = TRUE;
}
}
/* If the player can move, handle various things. */
if (can_move) {
/* Move player */
monster_swap(py, px, y, x);
/* Update speed if stepping out of water */
if (cave_feat[py][px] == FEAT_WATER)
p_ptr->update |= PU_BONUS;
/* Update stealth for Unlight */
if (player_has(PF_UNLIGHT))
p_ptr->update |= PU_BONUS;
/* Superstealth for ents in trees SJGU */
if ((player_has(PF_WOODEN))
&&
(tf_has
(f_info[cave_feat[p_ptr->py][p_ptr->px]].flags, TF_TREE))) {
if (!(tf_has(f_info[cave_feat[py][px]].flags, TF_TREE))
|| !(p_ptr->timed[TMD_SSTEALTH])) {
(void) inc_timed(TMD_SSTEALTH, 1, FALSE);
p_ptr->update |= (PU_BONUS);
}
} else if ((player_has(PF_WOODEN))
&& (tf_has(f_info[cave_feat[py][px]].flags, TF_TREE))) {
if (p_ptr->timed[TMD_SSTEALTH]) {
(void) dec_timed(TMD_SSTEALTH, 1, FALSE);
p_ptr->update |= (PU_BONUS);
}
}
/* New location */
y = py = p_ptr->py;
x = px = p_ptr->px;
/* No longer traversing. */
player_is_crossing = 0;
/* Fall off a cliff */
if (falling)
fall_off_cliff();
/* Spontaneous Searching */
if (p_ptr->state.skills[SKILL_SEARCH_FREQUENCY] > 49) {
(void) search(FALSE);
} else if (0 == randint0(50 - p_ptr->state.skills[SKILL_SEARCH_FREQUENCY]))
{
(void) search(FALSE);
}
/* Continuous Searching */
if (p_ptr->searching) {
(void) search(FALSE);
}
/* Handle "store doors" */
if ((cave_feat[y][x] >= FEAT_SHOP_HEAD)
&& (cave_feat[y][x] <= FEAT_SHOP_TAIL)) {
/* Disturb */
disturb(0, 0);
cmd_insert(CMD_ENTER_STORE);
}
/* All other grids (including traps) */
else
{
/* Handle objects (later) */
p_ptr->notice |= (PN_PICKUP);
}
/* Flying players have a chance to miss traps */
if ((p_ptr->schange == SHAPE_BAT) || (p_ptr->schange == SHAPE_WYRM)) {
if (((cave_feat[y][x] == FEAT_INVIS)
|| (cave_feat[y][x] == FEAT_GRASS_INVIS))
&& (randint0(3) != 0))
trapped = FALSE;
else if ((cave_feat[y][x] >= FEAT_TRAP_HEAD)
&& (cave_feat[y][x] <= FEAT_TRAP_TAIL)
&& (randint0(10) != 0))
trapped = FALSE;
}
/* Discover invisible traps */
else if (((cave_feat[y][x] == FEAT_INVIS)
|| (cave_feat[y][x] == FEAT_GRASS_INVIS)
|| (cave_feat[y][x] == FEAT_TREE_INVIS)
|| (cave_feat[y][x] == FEAT_TREE2_INVIS)) && trapped) {
/* Disturb */
disturb(0, 0);
/* Message */
msg_print("You stumble upon a trap!");
/* Pick a trap */
pick_trap(y, x);
/* Hit the floor trap. */
hit_trap(y, x);
}
/* Set off a visible trap */
else if ((cave_feat[y][x] >= FEAT_TRAP_HEAD)
&& (cave_feat[y][x] <= FEAT_TRAP_TAIL) && trapped) {
/* Disturb */
disturb(0, 0);
/* Hit the floor trap. */
hit_trap(y, x);
}
/* Walk on a monster trap */
else if ((cave_feat[y][x] >= FEAT_MTRAP_HEAD)
&& (cave_feat[y][x] <= FEAT_MTRAP_TAIL)) {
msg_print("You inspect your cunning trap.");
}
}
}
}
/*
* Open a closed/locked/jammed door or a closed/locked chest.
*
* Unlocking a locked door/chest is worth one experience point.
*/
void do_cmd_open(cmd_code code, cmd_arg args[])
{
int y, x, dir;
s16b o_idx;
bool more = FALSE;
dir = args[0].direction;
/* Get location */
y = p_ptr->py + ddy[dir];
x = p_ptr->px + ddx[dir];
/* Check for chests */
o_idx = chest_check(y, x);
/* Verify legality */
if (!o_idx && !do_cmd_open_test(y, x))
{
/* Cancel repeat */
disturb(p_ptr, 0, 0);
return;
}
/* Take a turn */
p_ptr->energy_use = 100;
/* Apply confusion */
if (player_confuse_dir(p_ptr, &dir, FALSE))
{
/* Get location */
y = p_ptr->py + ddy[dir];
x = p_ptr->px + ddx[dir];
/* Check for chest */
o_idx = chest_check(y, x);
}
/* Monster */
if (cave->m_idx[y][x] > 0)
{
int m_idx = cave->m_idx[y][x];
/* Mimics surprise the player */
if (is_mimicking(m_idx)) {
become_aware(m_idx);
/* Mimic wakes up */
mon_clear_timed(m_idx, MON_TMD_SLEEP, MON_TMD_FLG_NOMESSAGE);
} else {
/* Message */
msg("There is a monster in the way!");
/* Attack */
py_attack(y, x);
}
}
/* Chest */
else if (o_idx)
{
/* Open the chest */
more = do_cmd_open_chest(y, x, o_idx);
}
/* Door */
else
{
/* Open the door */
more = do_cmd_open_aux(y, x);
}
/* Cancel repeat unless we may continue */
if (!more) disturb(p_ptr, 0, 0);
}
/*
* Manipulate an adjacent grid in some way
*
* Attack monsters, tunnel through walls, disarm traps, open doors,
* or, for rogues, set traps and steal money.
*
* This command must always take energy, to prevent free detection
* of invisible monsters.
*
* The "semantics" of this command must be chosen before the player
* is confused, and it must be verified against the new grid.
*/
void do_cmd_alter(void)
{
int py = p_ptr->py;
int px = p_ptr->px;
int y, x, dir;
int feat;
bool did_nothing = TRUE;
bool more = FALSE;
monster_type *m_ptr;
/* Get a direction */
if (!get_rep_dir(&dir)) return;
/* Get location */
y = py + ddy[dir];
x = px + ddx[dir];
/* Original feature */
feat = cave_feat[y][x];
/* Must have knowledge to know feature XXX XXX */
if (!(cave_info[y][x] & (CAVE_MARK))) feat = FEAT_NONE;
/* Take a turn */
p_ptr->energy_use = 100;
/* Apply confusion */
if (confuse_dir(&dir))
{
/* Get location */
y = py + ddy[dir];
x = px + ddx[dir];
}
/* Allow repeated command */
if (p_ptr->command_arg)
{
/* Set repeat count */
p_ptr->command_rep = p_ptr->command_arg - 1;
/* Redraw the state */
p_ptr->redraw |= (PR_STATE);
/* Cancel the arg */
p_ptr->command_arg = 0;
}
/* If a monster is present, and visible, Rogues may steal from it.
* Otherwise, the player will simply attack. -LM-
*/
if (cave_m_idx[y][x] > 0)
{
if ((check_ability(SP_STEAL)) && (!SCHANGE))
{
m_ptr = &m_list[cave_m_idx[y][x]];
if (m_ptr->ml) py_steal(y, x);
else py_attack(y, x);
}
else py_attack(y, x);
did_nothing = FALSE;
}
/*
* Some players can set traps. Total number is checked in py_set_trap.
*/
else if ((check_ability(SP_TRAP)) && (cave_naked_bold(y, x)))
{
py_set_trap(y, x);
did_nothing = FALSE;
}
/* Disarm advanced monster traps */
else if (feat > FEAT_MTRAP_HEAD)
{
/* Disarm */
more = do_cmd_disarm_aux(y, x);
}
/* Modify basic monster traps */
else if (feat == FEAT_MTRAP_HEAD)
{
/* Modify */
py_modify_trap(y, x);
}
/* Tunnel through walls */
else if (feat >= FEAT_SECRET)
{
/* Tunnel */
more = do_cmd_tunnel_aux(y, x);
}
/* Bash jammed doors */
else if (feat >= FEAT_DOOR_HEAD + 0x08)
{
/* Bash */
more = do_cmd_bash_aux(y, x);
}
/* Open closed doors */
else if (feat >= FEAT_DOOR_HEAD)
{
/* Close */
more = do_cmd_open_aux(y, x);
}
/* Disarm traps */
else if (feat >= FEAT_TRAP_HEAD)
{
/* Disarm */
more = do_cmd_disarm_aux(y, x);
}
/* Oops */
else if (did_nothing)
{
/* Oops */
msg_print("You spin around.");
}
/* Cancel repetition unless we can continue */
if (!more) disturb(0, 0);
}
/*
* Open a closed/locked/jammed door or a closed/locked chest.
*
* Unlocking a locked door/chest is worth one experience point.
*/
void do_cmd_open(void)
{
int py = p_ptr->py;
int px = p_ptr->px;
int y, x, dir;
s16b o_idx;
bool more = FALSE;
/* Option: Pick a direction -TNB- */
if (easy_open)
{
int num_doors, num_chests;
/* Count closed doors */
num_doors = count_feats(&y, &x, is_closed, FALSE);
/* Count chests (locked) */
num_chests = count_chests(&y, &x, FALSE);
/* See if there's only one target */
if ((num_doors + num_chests) == 1)
{
p_ptr->command_dir = coords_to_dir(y, x);
}
}
/* Get a direction (or abort) */
if (!get_rep_dir(&dir)) return;
/* Get location */
y = py + ddy[dir];
x = px + ddx[dir];
/* Check for chests */
o_idx = chest_check(y, x);
/* Verify legality */
if (!o_idx && !do_cmd_open_test(y, x)) return;
/* Take a turn */
p_ptr->energy_use = 100;
/* Apply confusion */
if (confuse_dir(&dir))
{
/* Get location */
y = py + ddy[dir];
x = px + ddx[dir];
/* Check for chest */
o_idx = chest_check(y, x);
}
/* Allow repeated command */
if (p_ptr->command_arg)
{
/* Set repeat count */
p_ptr->command_rep = p_ptr->command_arg - 1;
/* Redraw the state */
p_ptr->redraw |= (PR_STATE);
/* Cancel the arg */
p_ptr->command_arg = 0;
}
/* Monster */
if (cave_m_idx[y][x] > 0)
{
/* Message */
msg_print("There is a monster in the way!");
/* Attack */
py_attack(y, x);
}
/* Chest */
else if (o_idx)
{
/* Open the chest */
more = do_cmd_open_chest(y, x, o_idx);
}
/* Door */
else
{
/* Open the door */
more = do_cmd_open_aux(y, x);
}
/* Cancel repeat unless we may continue */
if (!more) disturb(0, 0);
}
/**
* Move player in the given direction, with the given "pickup" flag.
*
* This routine should only be called when energy has been expended.
*
* Note that this routine handles monsters in the destination grid,
* and also handles attempting to move into walls/doors/etc.
*/
void move_player(int dir, bool no_options)
{
unsigned int py = p_ptr->py;
unsigned int px = p_ptr->px;
byte str_escape, dex_escape;
/* Permit the player to move? */
bool can_move = FALSE;
/* Player is jumping off a cliff */
bool falling = FALSE;
/* Player hits a trap (always unless flying) */
bool trapped = TRUE;
/* Sliding on the ice */
bool icy_slide = FALSE;
int temp;
unsigned int y, x;
feature_type *f_ptr;
/* Find the result of moving */
y = py + ddy[dir];
x = px + ddx[dir];
f_ptr = &f_info[cave_feat[y][x]];
/* Hack -- attack monsters */
if (cave_m_idx[y][x] > 0) {
/* Attack */
if (py_attack(y, x, TRUE))
return;
}
/* It takes some dexterity, or failing that strength, to get out of pits */
if (cave_feat[py][px] == FEAT_PIT) {
str_escape = adj_dex_dis[p_ptr->state.stat_ind[A_STR]];
dex_escape = adj_dex_dis[p_ptr->state.stat_ind[A_DEX]];
/* First attempt to leap out of the pit, */
if ((dex_escape + 1) * 2 < randint1(16)) {
/* then attempt to climb out of the pit. */
if (str_escape + 3 < randint1(16)) {
/* Failure costs a turn. */
msg("You remain stuck in the pit.");
/* Failure clears movement */
p_ptr->previous_action[0] = ACTION_NOTHING;
return;
} else
msg("You clamber out of the pit.");
} else
msg("You leap out of the pit.");
}
/* Rooted players cannot move */
if (p_ptr->timed[TMD_ROOT])
{
can_move = FALSE;
msg("You are rooted to the ground and can't move.");
/* Prevent repeated attempts */
disturb(0, 0);
return;
}
/* Option to disarm a visible trap. -TNB- */
/* Hack - Rogues can walk over their own trap - BR */
else if (cave_visible_trap(y, x) && cave_player_trap(y, x)
&& OPT(easy_alter)) {
bool more = FALSE;
/* Auto-repeat if not already repeating */
if (cmd_get_nrepeats() == 0)
cmd_set_repeat(99);
more = do_cmd_disarm_aux(y, x);
/* Cancel repeat unless we may continue */
if (!more)
disturb(0, 0);
return;
}
/* Some terrain is impassable for the player, such as stone walls. */
else if (!tf_has(f_ptr->flags, TF_PASSABLE)) {
/* Disturb the player */
disturb(0, 0);
/* Notice unknown obstacles */
if (!sqinfo_has(cave_info[y][x], SQUARE_MARK)) {
/* Closed door */
if (tf_has(f_ptr->flags, TF_DOOR_CLOSED)) {
msgt(MSG_HITWALL, "You feel a door blocking your way.");
sqinfo_on(cave_info[y][x], SQUARE_MARK);
light_spot(y, x);
}
/* Wall (or secret door) */
else {
msgt(MSG_HITWALL, "You feel a wall blocking your way.");
sqinfo_on(cave_info[y][x], SQUARE_MARK);
light_spot(y, x);
}
}
/* Mention known obstacles */
else {
/* Closed door */
if (tf_has(f_ptr->flags, TF_DOOR_CLOSED)) {
/* Option to automatically open doors. -TNB- */
if (OPT(easy_alter)) {
bool more = FALSE;
/* Auto-repeat if not already repeating */
if (cmd_get_nrepeats() == 0)
cmd_set_repeat(99);
/* Open the door */
more = do_cmd_open_aux(y, x);
/* Cancel repeat unless we may continue */
if (!more)
disturb(0, 0);
/* Clear action list */
p_ptr->previous_action[0] = ACTION_NOTHING;
return;
}
/* Otherwise, a message. */
msgt(MSG_HITWALL, "There is a door blocking your way.");
}
/* Wall (or secret door) */
else {
msgt(MSG_HITWALL, "There is a wall blocking your way.");
}
}
/* Sound */
sound(MSG_HITWALL);
}
/* Normal movement */
else {
/* Assume terrain can be traversed normally. */
can_move = TRUE;
/* Terrain blocked by a friendly monster */
if (cave_m_idx[y][x] > 0)
{
monster_type *n_ptr = & m_list[cave_m_idx[y][x]];
/* Push monster if it doesn't have a target and hasn't been pushed.
* This allows the player to move into a corridor with a monster in
* front of him, and have the monster move ahead, if it is faster. If its
* not faster, the player will push over it on the second move, as the push
* flag below will have been set. */
if(((n_ptr->mflag & MFLAG_PUSH) == 0) && !(n_ptr->ty) && !(n_ptr->tx) && push_aside_player(p_ptr->py, p_ptr->px, n_ptr))
{
int dy = n_ptr->fy - y;
int dx = n_ptr->fx - x;
unsigned int count = 0;
n_ptr->ty = n_ptr->fy;
n_ptr->tx = n_ptr->fx;
/* Hack -- get new target as far as the monster can move in the direction
* pushed. We do this with a walking stick approach to prevent us getting
* invalid target locations like (0,0) */
while (in_bounds_fully(n_ptr->ty + dy, n_ptr->tx + dx)
&& cave_exist_mon(&r_info[n_ptr->r_idx], n_ptr->ty + dy, n_ptr->tx + dx, TRUE)
&& (count++ < (MAX_SIGHT / 2)))
{
n_ptr->ty = n_ptr->ty + dy;
n_ptr->tx = n_ptr->tx + dx;
}
/* Clear target if none available */
if ((n_ptr->ty == n_ptr->fy) && (n_ptr->tx == n_ptr->fx))
{
n_ptr->ty = 0;
n_ptr->tx = 0;
}
}
/* The other monster cannot switch places */
else if (!cave_exist_mon(&r_info[n_ptr->r_idx], p_ptr->py, p_ptr->px, TRUE))
{
/* Try to push it aside. Allow aborting of move if an ally */
if ((!push_aside_player(p_ptr->py, p_ptr->px, n_ptr)) && (get_reaction(F_PLAYER, n_ptr->faction) <= REACT_FRIEND))
{
/* No warning if sliding */
if (no_options) {}
/* Don't provide more warning */
else if (!get_check("Are you sure?"))
{
temp = FALSE;
p_ptr->running = 0;
can_move = FALSE;
}
}
}
/* Hack -- we clear the target if we move over a monster */
else
{
n_ptr->ty = 0;
n_ptr->tx = 0;
}
/* Mark monsters as pushed */
n_ptr->mflag |= (MFLAG_PUSH);
}
/*** Handle traversable terrain. ***/
if (tf_has(f_ptr->flags, TF_ROCK)) {
/* Dwarves move easily through rubble */
if (player_has(PF_DWARVEN))
can_move = TRUE;
/* Bats, dragons can fly */
else if ((p_ptr->schange == SHAPE_BAT)
|| (p_ptr->schange == SHAPE_WYRM))
can_move = TRUE;
/* Require more energy */
else {
can_move = TRUE;
p_ptr->energy_use += 100;
}
}
if (tf_has(f_ptr->flags, TF_TREE)) {
/* Druids, rangers, Plant Cutie Marks slip easily under
* trees */
if ((player_has(PF_WOODSMAN)) || (player_has(PF_PLANT_FRIEND)))
can_move = TRUE;
/* Bats, dragons can fly */
else if ((p_ptr->schange == SHAPE_BAT)
|| (p_ptr->schange == SHAPE_WYRM))
can_move = TRUE;
/* Require more energy */
else {
can_move = TRUE;
p_ptr->energy_use += 100;
}
}
/* Water now slows rather than stopping -NRM- */
if (tf_has(f_ptr->flags, TF_WATERY)) {
/* Stop any run. */
disturb(0, 0);
can_move = TRUE;
/* Speed will need updating */
p_ptr->update |= PU_BONUS;
}
/* Walking on to ice can cause you to slide an additional square. */
if (tf_has(f_ptr->flags, TF_ICY)) {
/* Stop any run */
disturb(0, 0);
can_move = TRUE;
/* Slide is less likely with Cold Resist. Never slide with Levitation */
if (!p_ptr->state.ffall && ((!p_immune(P_RES_COLD)) && (randint1((p_resist_pos(P_RES_COLD) || p_resist_strong(P_RES_COLD)) ? 2 : 4) != 1)))
icy_slide = TRUE;
/* Speed will need updating */
p_ptr->update |= PU_BONUS;
}
if (tf_has(f_ptr->flags, TF_FIERY)) {
/* Assume player will continue. */
temp = TRUE;
/* Smart enough to stop running. */
if (p_ptr->running) {
/* Ice keeps sliding */
if (no_options) {}
else if (!get_check("Lava blocks your path. Step into it? ")) {
temp = FALSE;
p_ptr->running = 0;
}
}
/* Smart enough to sense trouble. */
else if ((!p_resist_pos(P_RES_FIRE))
|| (!p_resist_strong(P_RES_FIRE)
&& (p_ptr->chp <= 100))
|| (!p_immune(P_RES_FIRE) && (p_ptr->chp <= 30))) {
/* Sliding continues regardless */
if (no_options) {}
else if (!get_check
("The heat of the lava scalds you! Really enter? ")) {
temp = FALSE;
}
}
/* Enter if OK or confirmed. */
if (temp) {
/* Can always cross. */
can_move = TRUE;
/* Feather fall makes one lightfooted. */
if (p_ptr->state.ffall) {
notice_obj(OF_FEATHER, 0);
temp = 49 + randint1(51);
} else
temp = 124 + randint1(126);
/* Will take serious fire damage. */
fire_dam(temp, "burnt to a cinder in molten lava", SOURCE_ENVIRONMENTAL);
}
else
/* Player refuse to go. */
can_move = FALSE;
}
if (tf_has(f_ptr->flags, TF_BURNING))
{
/* Assume player will continue */
temp = TRUE;
/* Smart enough to stop running */
if (p_ptr->running)
{
if (no_options) {}
else if (!get_check("Your path is block by a burning tree. Step into it? "))
{
temp = FALSE;
p_ptr->running = 9;
}
}
/* Smart enough to sense trouble */
else if ((!p_resist_pos(P_RES_FIRE))
|| (!p_resist_strong(P_RES_FIRE)
&& (p_ptr->chp <= 100))
|| (!p_immune(P_RES_FIRE) && (p_ptr->chp <= 30))) {
if (no_options) {}
else if (!get_check
("The heat of the fire burns you! Really enter? ")) {
temp = FALSE;
}
}
/* Enter if OK or confirmed. */
if (temp) {
/* Can always cross. */
can_move = TRUE;
/* Take light damage from the fire */
temp = 49 + randint1(51);
/* Will take serious fire damage. */
fire_dam(temp, "burnt to death in a fire.", SOURCE_ENVIRONMENTAL);
}
else
/* Player refuse to go. */
can_move = FALSE;
}
if (tf_has(f_ptr->flags, TF_FALL)) {
/* Bats, dragons can fly */
if (!(p_ptr->schange == SHAPE_BAT) &&
!(p_ptr->schange == SHAPE_WYRM)) {
/* Assume player will continue. */
temp = TRUE;
/* Smart enough to stop running. */
if (p_ptr->running) {
if (no_options) {}
else if (!get_check
("You have come to a cliff. Step off it? ")) {
can_move = FALSE;
temp = FALSE;
p_ptr->running = 0;
}
}
/* Smart enough to sense trouble. */
else if (!p_ptr->timed[TMD_BLIND]) {
if (no_options) {}
else if (!get_check("It's a cliff! Really step off it? ")) {
can_move = FALSE;
temp = FALSE;
}
}
/* Step off if confirmed. */
if (temp) {
/* Will take serious damage. */
falling = TRUE;
}
}
}
}
/* If the player can move, handle various things. */
if (can_move) {
/* Move player */
monster_swap(py, px, y, x);
/* Update speed if stepping out of water */
if (tf_has(f_info[cave_feat[py][px]].flags, TF_WATERY))
p_ptr->update |= PU_BONUS;
/* Update stealth for Unlight */
if (player_has(PF_UNLIGHT))
p_ptr->update |= PU_BONUS;
/* Update speed for Plant cutie mark woodspersons */
if (player_has(PF_WOODSMAN) && player_has(PF_PLANT_FRIEND))
p_ptr->update |= PU_BONUS;
/* New location */
y = py = p_ptr->py;
x = px = p_ptr->px;
f_ptr = &f_info[cave_feat[y][x]];
/* Fall off a cliff */
if (falling)
fall_off_cliff();
/* Sliding on ice prevents searching */
if (!icy_slide)
{
/* Spontaneous Searching */
if (p_ptr->state.skills[SKILL_SEARCH_FREQUENCY] > 49) {
(void) search(FALSE);
} else if (0 ==
randint0(50 -
p_ptr->state.skills[SKILL_SEARCH_FREQUENCY])) {
(void) search(FALSE);
}
/* Continuous Searching */
if (p_ptr->searching) {
(void) search(FALSE);
}
}
/* Handle "store doors" */
if (tf_has(f_ptr->flags, TF_SHOP)) {
/* Disturb */
disturb(0, 0);
cmd_insert(CMD_ENTER_STORE);
}
/* All other grids (including traps) */
else {
/* Handle objects (later) */
p_ptr->notice |= (PN_PICKUP);
}
/* Flying players have a chance to miss traps */
if ((p_ptr->schange == SHAPE_BAT)
|| (p_ptr->schange == SHAPE_WYRM)) {
if (cave_invisible_trap(y, x) && cave_player_trap(y, x)
&& (randint0(3) != 0))
trapped = FALSE;
else if (cave_visible_trap(y, x) && cave_player_trap(y, x) &&
(randint0(10) != 0))
trapped = FALSE;
}
/* Discover invisible traps */
if (cave_invisible_trap(y, x) && trapped) {
/* Disturb */
disturb(0, 0);
/* Hit the trap. */
hit_trap(y, x);
}
/* Set off a visible trap */
else if (cave_visible_trap(y, x) && cave_player_trap(y, x) &&
trapped) {
/* Disturb */
disturb(0, 0);
/* Hit the trap. */
hit_trap(y, x);
}
/* Walk on a monster trap */
else if (cave_monster_trap(y, x)) {
msg("You inspect your cunning trap.");
}
/* Slide an additional square on the ice */
if (icy_slide)
move_player(dir, TRUE);
}
}