/**
* Place a random type of door at the given location.
*/
void place_random_door(int y, int x)
{
int tmp;
/* Choose an object */
tmp = randint0(1000);
/* Open doors (300/1000) */
if (tmp < 300) {
/* Create open door */
cave_set_feat(y, x, FEAT_OPEN);
}
/* Broken doors (100/1000) */
else if (tmp < 400) {
/* Create broken door */
cave_set_feat(y, x, FEAT_BROKEN);
}
/* Secret doors (200/1000) */
else if (tmp < 600) {
/* Create secret door */
cave_set_feat(y, x, FEAT_SECRET);
}
/* Closed, locked, or stuck doors (400/1000) */
else {
/* Create closed door */
place_closed_door(y, x);
}
}
/* Destroy Traps (and Locks) */
static void project_feature_handler_KILL_TRAP(project_feature_handler_context_t *context)
{
const int x = context->x;
const int y = context->y;
/* Reveal secret doors */
if (square_issecretdoor(cave, y, x)) {
place_closed_door(cave, y, x);
/* Check line of sight */
if (square_isseen(cave, y, x))
context->obvious = true;
}
/* Destroy traps, unlock doors */
if (square_istrap(cave, y, x)) {
/* Check line of sight */
if (square_isview(cave, y, x)) {
msg("There is a bright flash of light!");
context->obvious = true;
}
/* Destroy the trap */
square_destroy_trap(cave, y, x);
} else if (square_islockeddoor(cave, y, x)) {
/* Unlock the door */
square_unlock_door(cave, y, x);
/* Check line of sound */
if (square_isview(cave, y, x)) {
msg("Click!");
context->obvious = true;
}
}
}
/**
* Place a random door at (x, y).
* \param c current chunk
* \param y co-ordinates
* \param x co-ordinates
*
* The door generated could be closed, open, broken, or secret.
*/
void place_random_door(struct chunk *c, int y, int x)
{
int tmp = randint0(100);
if (tmp < 30)
square_set_feat(c, y, x, FEAT_OPEN);
else if (tmp < 40)
square_set_feat(c, y, x, FEAT_BROKEN);
else
place_closed_door(c, y, x);
}
/**
* Search for traps or secret doors
*/
static void search(void)
{
int py = player->py;
int px = player->px;
int y, x;
struct object *obj;
/* Various conditions mean no searching */
if (player->timed[TMD_BLIND] || no_light() ||
player->timed[TMD_CONFUSED] || player->timed[TMD_IMAGE])
return;
/* Search the nearby grids, which are always in bounds */
for (y = (py - 1); y <= (py + 1); y++) {
for (x = (px - 1); x <= (px + 1); x++) {
/* Traps */
if (square_issecrettrap(cave, y, x)) {
if (square_reveal_trap(cave, y, x, true))
disturb(player, 0);
}
/* Secret doors */
if (square_issecretdoor(cave, y, x)) {
msg("You have found a secret door.");
place_closed_door(cave, y, x);
disturb(player, 0);
}
/* Traps on chests */
for (obj = square_object(cave, y, x); obj; obj = obj->next) {
if (!obj->known || !is_trapped_chest(obj))
continue;
if (obj->known->pval != obj->pval) {
msg("You have discovered a trap on the chest!");
obj->known->pval = obj->pval;
disturb(player, 0);
}
}
}
}
}
/*
* Search for hidden things. Returns true if a search was attempted, returns
* false when the player has a 0% chance of finding anything. Prints messages
* for negative confirmation when verbose mode is requested.
*/
bool search(bool verbose)
{
int py = p_ptr->py;
int px = p_ptr->px;
int y, x, chance;
bool found = FALSE;
object_type *o_ptr;
/* Start with base search ability */
chance = p_ptr->state.skills[SKILL_SEARCH];
/* Penalize various conditions */
if (p_ptr->timed[TMD_BLIND] || no_light()) chance = chance / 10;
if (p_ptr->timed[TMD_CONFUSED] || p_ptr->timed[TMD_IMAGE]) chance = chance / 10;
/* Prevent fruitless searches */
if (chance <= 0)
{
if (verbose)
{
msg("You can't make out your surroundings well enough to search.");
/* Cancel repeat */
disturb(p_ptr, 0, 0);
}
return FALSE;
}
/* Search the nearby grids, which are always in bounds */
for (y = (py - 1); y <= (py + 1); y++)
{
for (x = (px - 1); x <= (px + 1); x++)
{
/* Sometimes, notice things */
if (randint0(100) < chance)
{
/* Invisible trap */
if (cave->feat[y][x] == FEAT_INVIS)
{
found = TRUE;
/* Pick a trap */
pick_trap(y, x);
/* Message */
msg("You have found a trap.");
/* Disturb */
disturb(p_ptr, 0, 0);
}
/* Secret door */
if (cave->feat[y][x] == FEAT_SECRET)
{
found = TRUE;
/* Message */
msg("You have found a secret door.");
/* Pick a door */
place_closed_door(cave, y, x);
/* Disturb */
disturb(p_ptr, 0, 0);
}
/* Scan all objects in the grid */
for (o_ptr = get_first_object(y, x); o_ptr; o_ptr = get_next_object(o_ptr))
{
/* Skip non-chests */
if (o_ptr->tval != TV_CHEST) continue;
/* Skip disarmed chests */
if (o_ptr->pval[DEFAULT_PVAL] <= 0) continue;
/* Skip non-trapped chests */
if (!chest_traps[o_ptr->pval[DEFAULT_PVAL]]) continue;
/* Identify once */
if (!object_is_known(o_ptr))
{
found = TRUE;
/* Message */
msg("You have discovered a trap on the chest!");
/* Know the trap */
object_notice_everything(o_ptr);
/* Notice it */
disturb(p_ptr, 0, 0);
}
}
}
}
}
if (verbose && !found)
{
if (chance >= 100)
msg("There are no secrets here.");
else
msg("You found nothing.");
}
return TRUE;
}
/*
* Place a random type of door at the given location
*/
void place_random_door(int y, int x, bool room)
{
int tmp, type;
s16b feat = feat_none;
cave_type *c_ptr = &cave[y][x];
/* Initialize mimic info */
c_ptr->mimic = 0;
/* if (dungeon_type == DUNGEON_ARENA)
{
place_rubble_bold(y, x);
return;
}*/
if (d_info[dungeon_type].flags1 & DF1_NO_DOORS)
{
place_floor_bold(y, x);
return;
}
type = ((d_info[dungeon_type].flags1 & DF1_CURTAIN) &&
one_in_((d_info[dungeon_type].flags1 & DF1_NO_CAVE) ? 16 : 256)) ? DOOR_CURTAIN :
((d_info[dungeon_type].flags1 & DF1_GLASS_DOOR) ? DOOR_GLASS_DOOR : DOOR_DOOR);
/* Choose an object */
tmp = randint0(1000);
/* Open doors (300/1000) */
if (tmp < 300)
{
/* Create open door */
feat = feat_door[type].open;
}
/* Broken doors (100/1000) */
else if (tmp < 400)
{
/* Create broken door */
feat = feat_door[type].broken;
}
/* Secret doors (200/1000) */
else if (tmp < 600)
{
/* Create secret door */
place_closed_door(y, x, type);
if (type != DOOR_CURTAIN)
{
/* Hide. If on the edge of room, use outer wall. */
c_ptr->mimic = room ? feat_wall_outer : fill_type[randint0(100)];
/* Floor type terrain cannot hide a door */
if (feat_supports_los(c_ptr->mimic) && !feat_supports_los(c_ptr->feat))
{
if (have_flag(f_info[c_ptr->mimic].flags, FF_MOVE) || have_flag(f_info[c_ptr->mimic].flags, FF_CAN_FLY))
{
c_ptr->feat = one_in_(2) ? c_ptr->mimic : floor_type[randint0(100)];
}
c_ptr->mimic = 0;
}
}
}
/* Closed, locked, or stuck doors (400/1000) */
else place_closed_door(y, x, type);
if (tmp < 400)
{
if (feat != feat_none)
{
set_cave_feat(y, x, feat);
}
else
{
place_floor_bold(y, x);
}
}
delete_monster(y, x);
}
/**
* Search for hidden things. Returns true if a search was attempted, returns
* false when the player has a 0% chance of finding anything. Prints messages
* for negative confirmation when verbose mode is requested.
*/
bool search(bool verbose)
{
int py = player->py;
int px = player->px;
int y, x, chance;
bool found = false;
struct object *obj;
/* Start with base search ability */
chance = player->state.skills[SKILL_SEARCH];
/* Penalize various conditions */
if (player->timed[TMD_BLIND] || no_light())
chance = chance / 10;
if (player->timed[TMD_CONFUSED] || player->timed[TMD_IMAGE])
chance = chance / 10;
/* Prevent fruitless searches */
if (chance <= 0) {
if (verbose) {
msg("You can't make out your surroundings well enough to search.");
/* Cancel repeat */
disturb(player, 0);
}
return false;
}
/* Search the nearby grids, which are always in bounds */
for (y = (py - 1); y <= (py + 1); y++) {
for (x = (px - 1); x <= (px + 1); x++) {
/* Sometimes, notice things */
if (randint0(100) < chance) {
if (square_issecrettrap(cave, y, x)) {
found = true;
/* Reveal trap, display a message */
if (square_reveal_trap(cave, y, x, chance, true))
/* Disturb */
disturb(player, 0);
}
/* Secret door */
if (square_issecretdoor(cave, y, x)) {
found = true;
/* Message */
msg("You have found a secret door.");
/* Pick a door */
place_closed_door(cave, y, x);
/* Disturb */
disturb(player, 0);
}
/* Scan all objects in the grid */
for (obj = square_object(cave, y, x); obj; obj = obj->next) {
/* Skip if not a trapped chest */
if (!is_trapped_chest(obj)) continue;
/* Identify once */
if (!object_is_known(obj)) {
found = true;
/* Message */
msg("You have discovered a trap on the chest!");
/* Know the trap */
object_notice_everything(obj);
/* Notice it */
disturb(player, 0);
}
}
}
}
}
if (verbose && !found) {
if (chance >= 100)
msg("There are no secrets here.");
else
msg("You found nothing.");
}
return true;
}