/**
* Allow for user abort during repeated commands, running and resting.
*
* This will only check during every 128th game turn while resting.
*/
void check_for_player_interrupt(game_event_type type, game_event_data *data,
void *user)
{
/* Check for "player abort" */
if (player->upkeep->running ||
cmd_get_nrepeats() > 0 ||
(player_is_resting(player) && !(turn & 0x7F))) {
ui_event e;
/* Do not wait */
inkey_scan = SCAN_INSTANT;
/* Check for a key */
e = inkey_ex();
if (e.type != EVT_NONE) {
/* Flush and disturb */
event_signal(EVENT_INPUT_FLUSH);
disturb(player, 0);
msg("Cancelled.");
}
}
}
/**
* Move player in the given direction.
*
* 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/rubble/etc.
*/
void move_player(int dir, bool disarm)
{
int y = player->py + ddy[dir];
int x = player->px + ddx[dir];
int m_idx = cave->squares[y][x].mon;
struct monster *mon = cave_monster(cave, m_idx);
bool alterable = (square_isknowntrap(cave, y, x) ||
square_iscloseddoor(cave, y, x));
/* Attack monsters, alter traps/doors on movement, hit obstacles or move */
if (m_idx > 0) {
/* Mimics surprise the player */
if (is_mimicking(mon)) {
become_aware(mon);
/* Mimic wakes up */
mon_clear_timed(mon, MON_TMD_SLEEP, MON_TMD_FLG_NOMESSAGE, false);
} else {
py_attack(y, x);
}
} else if (disarm && square_isknown(cave, y, x) && alterable) {
/* Auto-repeat if not already repeating */
if (cmd_get_nrepeats() == 0)
cmd_set_repeat(99);
do_cmd_alter_aux(dir);
} else if (player->upkeep->running && square_isknowntrap(cave, y, x)) {
/* Stop running before known traps */
disturb(player, 0);
} else if (!square_ispassable(cave, y, x)) {
disturb(player, 0);
/* Notice unknown obstacles, mention known obstacles */
if (!square_isknown(cave, y, x)) {
if (square_isrubble(cave, y, x)) {
msgt(MSG_HITWALL,
"You feel a pile of rubble blocking your way.");
square_memorize(cave, y, x);
square_light_spot(cave, y, x);
} else if (square_iscloseddoor(cave, y, x)) {
msgt(MSG_HITWALL, "You feel a door blocking your way.");
square_memorize(cave, y, x);
square_light_spot(cave, y, x);
} else {
msgt(MSG_HITWALL, "You feel a wall blocking your way.");
square_memorize(cave, y, x);
square_light_spot(cave, y, x);
}
} else {
if (square_isrubble(cave, y, x))
msgt(MSG_HITWALL,
"There is a pile of rubble blocking your way.");
else if (square_iscloseddoor(cave, y, x))
msgt(MSG_HITWALL, "There is a door blocking your way.");
else
msgt(MSG_HITWALL, "There is a wall blocking your way.");
}
} else {
/* Move player */
monster_swap(player->py, player->px, y, x);
/* Handle store doors, or notice objects */
if (square_isshop(cave, y, x)) {
disturb(player, 0);
event_signal(EVENT_ENTER_STORE);
event_remove_handler_type(EVENT_ENTER_STORE);
event_signal(EVENT_USE_STORE);
event_remove_handler_type(EVENT_USE_STORE);
event_signal(EVENT_LEAVE_STORE);
event_remove_handler_type(EVENT_LEAVE_STORE);
} else {
square_know_pile(cave, y, x);
cmdq_push(CMD_AUTOPICKUP);
}
/* Discover invisible traps, set off visible ones */
if (square_issecrettrap(cave, y, x)) {
disturb(player, 0);
hit_trap(y, x);
} else if (square_isknowntrap(cave, y, x)) {
disturb(player, 0);
hit_trap(y, x);
}
/* Update view and search */
update_view(cave, player);
search();
}
player->upkeep->running_firststep = false;
}
/*
* Move player in the given direction.
*
* 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/rubble/etc.
*/
void move_player(int dir, bool disarm)
{
int py = p_ptr->py;
int px = p_ptr->px;
int y = py + ddy[dir];
int x = px + ddx[dir];
int m_idx = cave->m_idx[y][x];
/* Attack monsters */
if (m_idx > 0) {
/* 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 {
py_attack(y, x);
}
}
/* Optionally alter traps/doors on movement */
else if (disarm && (cave->info[y][x] & CAVE_MARK) &&
(cave_isknowntrap(cave, y, x) ||
cave_iscloseddoor(cave, y, x)))
{
/* Auto-repeat if not already repeating */
if (cmd_get_nrepeats() == 0)
cmd_set_repeat(99);
do_cmd_alter_aux(dir);
}
/* Cannot walk through walls */
else if (!cave_floor_bold(y, x))
{
/* Disturb the player */
disturb(p_ptr, 0, 0);
/* Notice unknown obstacles */
if (!(cave->info[y][x] & CAVE_MARK))
{
/* Rubble */
if (cave->feat[y][x] == FEAT_RUBBLE)
{
msgt(MSG_HITWALL, "You feel a pile of rubble blocking your way.");
cave->info[y][x] |= (CAVE_MARK);
cave_light_spot(cave, y, x);
}
/* Closed door */
else if (cave->feat[y][x] < FEAT_SECRET)
{
msgt(MSG_HITWALL, "You feel a door blocking your way.");
cave->info[y][x] |= (CAVE_MARK);
cave_light_spot(cave, y, x);
}
/* Wall (or secret door) */
else
{
msgt(MSG_HITWALL, "You feel a wall blocking your way.");
cave->info[y][x] |= (CAVE_MARK);
cave_light_spot(cave, y, x);
}
}
/* Mention known obstacles */
else
{
if (cave->feat[y][x] == FEAT_RUBBLE)
msgt(MSG_HITWALL, "There is a pile of rubble blocking your way.");
else if (cave->feat[y][x] < FEAT_SECRET)
msgt(MSG_HITWALL, "There is a door blocking your way.");
else
msgt(MSG_HITWALL, "There is a wall blocking your way.");
}
}
/* Normal movement */
else
{
/* See if trap detection status will change */
bool old_dtrap = ((cave->info2[py][px] & (CAVE2_DTRAP)) != 0);
bool new_dtrap = ((cave->info2[y][x] & (CAVE2_DTRAP)) != 0);
/* Note the change in the detect status */
if (old_dtrap != new_dtrap)
p_ptr->redraw |= (PR_DTRAP);
/* Disturb player if the player is about to leave the area */
if (OPT(disturb_detect) && p_ptr->running &&
!p_ptr->running_firststep && old_dtrap && !new_dtrap)
{
disturb(p_ptr, 0, 0);
return;
}
/* Move player */
monster_swap(py, px, y, x);
/* New location */
y = py = p_ptr->py;
x = px = p_ptr->px;
/* Searching */
if (p_ptr->searching ||
(p_ptr->state.skills[SKILL_SEARCH_FREQUENCY] >= 50) ||
one_in_(50 - p_ptr->state.skills[SKILL_SEARCH_FREQUENCY]))
search(FALSE);
/* Handle "store doors" */
if ((cave->feat[p_ptr->py][p_ptr->px] >= FEAT_SHOP_HEAD) &&
(cave->feat[p_ptr->py][p_ptr->px] <= FEAT_SHOP_TAIL))
{
/* Disturb */
disturb(p_ptr, 0, 0);
cmd_insert(CMD_ENTER_STORE);
}
/* All other grids (including traps) */
else
{
/* Handle objects (later) */
p_ptr->notice |= (PN_PICKUP);
}
/* Discover invisible traps */
if (cave->feat[y][x] == FEAT_INVIS)
{
/* Disturb */
disturb(p_ptr, 0, 0);
/* Message */
msg("You found a trap!");
/* Pick a trap */
pick_trap(y, x);
/* Hit the trap */
hit_trap(y, x);
}
/* Set off an visible trap */
else if (cave_isknowntrap(cave, y, x))
{
/* Disturb */
disturb(p_ptr, 0, 0);
/* Hit the trap */
hit_trap(y, x);
}
}
p_ptr->running_firststep = FALSE;
}
/**
* Process player commands from the command queue, finishing when there is a
* command using energy (any regular game command), or we run out of commands
* and need another from the user, or the character changes level or dies, or
* the game is stopped.
*
* Notice the annoying code to handle "pack overflow", which
* must come first just in case somebody manages to corrupt
* the savefiles by clever use of menu commands or something. (Can go? NRM)
*
* Notice the annoying code to handle "monster memory" changes,
* which allows us to avoid having to update the window flags
* every time we change any internal monster memory field, and
* also reduces the number of times that the recall window must
* be redrawn.
*/
void process_player(void)
{
/* Check for interrupts */
player_resting_complete_special(player);
event_signal(EVENT_CHECK_INTERRUPT);
/* Repeat until energy is reduced */
do {
/* Refresh */
notice_stuff(player);
handle_stuff(player);
event_signal(EVENT_REFRESH);
/* Hack -- Pack Overflow */
pack_overflow(NULL);
/* Assume free turn */
player->upkeep->energy_use = 0;
/* Dwarves detect treasure */
if (player_has(player, PF_SEE_ORE)) {
/* Only if they are in good shape */
if (!player->timed[TMD_IMAGE] &&
!player->timed[TMD_CONFUSED] &&
!player->timed[TMD_AMNESIA] &&
!player->timed[TMD_STUN] &&
!player->timed[TMD_PARALYZED] &&
!player->timed[TMD_TERROR] &&
!player->timed[TMD_AFRAID])
effect_simple(EF_DETECT_GOLD, "3d3", 1, 0, 0, NULL);
}
/* Paralyzed or Knocked Out player gets no turn */
if ((player->timed[TMD_PARALYZED]) || (player->timed[TMD_STUN] >= 100))
cmdq_push(CMD_SLEEP);
/* Prepare for the next command */
if (cmd_get_nrepeats() > 0)
event_signal(EVENT_COMMAND_REPEAT);
else {
/* Check monster recall */
if (player->upkeep->monster_race)
player->upkeep->redraw |= (PR_MONSTER);
/* Place cursor on player/target */
event_signal(EVENT_REFRESH);
}
/* Get a command from the queue if there is one */
if (!cmdq_pop(CMD_GAME))
break;
if (!player->upkeep->playing)
break;
process_player_cleanup();
} while (!player->upkeep->energy_use &&
!player->is_dead &&
!player->upkeep->generate_level);
/* Notice stuff (if needed) */
notice_stuff(player);
}
/**
* 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.");
}
}
}
}
/**
* Move player in the given direction.
*
* 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/rubble/etc.
*/
void move_player(int dir, bool disarm)
{
int py = player->py;
int px = player->px;
int y = py + ddy[dir];
int x = px + ddx[dir];
int m_idx = cave->squares[y][x].mon;
struct monster *mon = cave_monster(cave, m_idx);
bool alterable = (square_isknowntrap(cave, y, x) ||
square_iscloseddoor(cave, y, x));
/* Attack monsters, alter traps/doors on movement, hit obstacles or move */
if (m_idx > 0) {
/* Mimics surprise the player */
if (is_mimicking(mon)) {
become_aware(mon);
/* Mimic wakes up */
mon_clear_timed(mon, MON_TMD_SLEEP, MON_TMD_FLG_NOMESSAGE, false);
} else {
py_attack(y, x);
}
} else if (disarm && square_isknown(cave, y, x) && alterable) {
/* Auto-repeat if not already repeating */
if (cmd_get_nrepeats() == 0)
cmd_set_repeat(99);
do_cmd_alter_aux(dir);
} else if (player->upkeep->running && square_isknowntrap(cave, y, x)) {
/* Stop running before known traps */
disturb(player, 0);
} else if (!square_ispassable(cave, y, x)) {
/* Disturb the player */
disturb(player, 0);
/* Notice unknown obstacles, mention known obstacles */
if (!square_isknown(cave, y, x)) {
if (square_isrubble(cave, y, x)) {
msgt(MSG_HITWALL,
"You feel a pile of rubble blocking your way.");
square_memorize(cave, y, x);
square_light_spot(cave, y, x);
} else if (square_iscloseddoor(cave, y, x)) {
msgt(MSG_HITWALL, "You feel a door blocking your way.");
square_memorize(cave, y, x);
square_light_spot(cave, y, x);
} else {
msgt(MSG_HITWALL, "You feel a wall blocking your way.");
square_memorize(cave, y, x);
square_light_spot(cave, y, x);
}
} else {
if (square_isrubble(cave, y, x))
msgt(MSG_HITWALL,
"There is a pile of rubble blocking your way.");
else if (square_iscloseddoor(cave, y, x))
msgt(MSG_HITWALL, "There is a door blocking your way.");
else
msgt(MSG_HITWALL, "There is a wall blocking your way.");
}
} else {
/* See if trap detection status will change */
bool old_dtrap = square_isdtrap(cave, py, px);
bool new_dtrap = square_isdtrap(cave, y, x);
/* Note the change in the detect status */
if (old_dtrap != new_dtrap)
player->upkeep->redraw |= (PR_DTRAP);
/* Disturb player if the player is about to leave the area */
if (player->upkeep->running && !player->upkeep->running_firststep &&
old_dtrap && !new_dtrap) {
disturb(player, 0);
return;
}
/* Move player */
monster_swap(py, px, y, x);
/* New location */
y = py = player->py;
x = px = player->px;
/* Searching */
if (player->searching ||
(player->state.skills[SKILL_SEARCH_FREQUENCY] >= 50) ||
one_in_(50 - player->state.skills[SKILL_SEARCH_FREQUENCY]))
search(false);
/* Handle store doors, or notice objects */
if (square_isshop(cave, player->py, player->px)) {
/* Disturb */
disturb(player, 0);
event_signal(EVENT_ENTER_STORE);
event_remove_handler_type(EVENT_ENTER_STORE);
event_signal(EVENT_USE_STORE);
event_remove_handler_type(EVENT_USE_STORE);
event_signal(EVENT_LEAVE_STORE);
event_remove_handler_type(EVENT_LEAVE_STORE);
} else {
/* Know objects, queue autopickup */
floor_pile_know(cave, player->py, player->px);
cmdq_push(CMD_AUTOPICKUP);
}
/* Discover invisible traps, set off visible ones */
if (square_issecrettrap(cave, y, x)) {
/* Disturb */
disturb(player, 0);
/* Hit the trap. */
hit_trap(y, x);
} else if (square_isknowntrap(cave, y, x)) {
/* Disturb */
disturb(player, 0);
/* Hit the trap */
hit_trap(y, x);
}
}
player->upkeep->running_firststep = false;
}
/**
* 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);
}
}
