/**
* Checks if a square is at the (inner) edge of a trap detect area
*/
bool square_dtrap_edge(struct chunk *c, int y, int x)
{
/* Check if the square is a dtrap in the first place */
if (!square_isdtrap(c, y, x)) return FALSE;
/* Check for non-dtrap adjacent grids */
if (square_in_bounds_fully(c, y + 1, x) && (!square_isdtrap(c, y + 1, x)))
return TRUE;
if (square_in_bounds_fully(c, y, x + 1) && (!square_isdtrap(c, y, x + 1)))
return TRUE;
if (square_in_bounds_fully(c, y - 1, x) && (!square_isdtrap(c, y - 1, x)))
return TRUE;
if (square_in_bounds_fully(c, y, x - 1) && (!square_isdtrap(c, y, x - 1)))
return TRUE;
return 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 = 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;
}