/*
* Set boundary mimic and add "solid" perma-wall
*/
static void set_bound_perm_wall(cave_type *c_ptr)
{
if (bound_walls_perm)
{
/* Clear boundary mimic */
c_ptr->mimic = 0;
}
else
{
feature_type *f_ptr = &f_info[c_ptr->feat];
/* Hack -- Decline boundary walls with known treasure */
if ((have_flag(f_ptr->flags, FF_HAS_GOLD) || have_flag(f_ptr->flags, FF_HAS_ITEM)) &&
!have_flag(f_ptr->flags, FF_SECRET))
c_ptr->feat = feat_state(c_ptr->feat, FF_ENSECRET);
/* Set boundary mimic */
c_ptr->mimic = c_ptr->feat;
}
/* Add "solid" perma-wall */
place_solid_perm_grid(c_ptr);
}
/*!
* @brief プレイヤーの手による能動的な階段生成処理 /
* Create stairs at or move previously created stairs into the player location.
* @return なし
*/
void stair_creation(void)
{
saved_floor_type *sf_ptr;
saved_floor_type *dest_sf_ptr;
bool up = TRUE;
bool down = TRUE;
s16b dest_floor_id = 0;
/* Forbid up staircases on Ironman mode */
if (ironman_downward) up = FALSE;
/* Forbid down staircases on quest level */
if (quest_number(dun_level) || (dun_level >= d_info[dungeon_type].maxdepth)) down = FALSE;
/* No effect out of standard dungeon floor */
if (!dun_level || (!up && !down) ||
(p_ptr->inside_quest && is_fixed_quest_idx(p_ptr->inside_quest)) ||
p_ptr->inside_arena || p_ptr->inside_battle)
{
/* arena or quest */
#ifdef JP
msg_print("効果がありません！");
#else
msg_print("There is no effect!");
#endif
return;
}
/* Artifacts resists */
if (!cave_valid_bold(p_ptr->y, p_ptr->x))
{
#ifdef JP
msg_print("床上のアイテムが呪文を跳ね返した。");
#else
msg_print("The object resists the spell.");
#endif
return;
}
/* Destroy all objects in the grid */
delete_object(p_ptr->y, p_ptr->x);
/* Extract current floor data */
sf_ptr = get_sf_ptr(p_ptr->floor_id);
/* Paranoia */
if (!sf_ptr)
{
/* No floor id? -- Create now! */
p_ptr->floor_id = get_new_floor_id();
sf_ptr = get_sf_ptr(p_ptr->floor_id);
}
/* Choose randomly */
if (up && down)
{
if (randint0(100) < 50) up = FALSE;
else down = FALSE;
}
/* Destination is already fixed */
if (up)
{
if (sf_ptr->upper_floor_id) dest_floor_id = sf_ptr->upper_floor_id;
}
else
{
if (sf_ptr->lower_floor_id) dest_floor_id = sf_ptr->lower_floor_id;
}
/* Search old stairs leading to the destination */
if (dest_floor_id)
{
int x, y;
for (y = 0; y < cur_hgt; y++)
{
for (x = 0; x < cur_wid; x++)
{
cave_type *c_ptr = &cave[y][x];
if (!c_ptr->special) continue;
if (feat_uses_special(c_ptr->feat)) continue;
if (c_ptr->special != dest_floor_id) continue;
/* Remove old stairs */
c_ptr->special = 0;
cave_set_feat(y, x, floor_type[randint0(100)]);
}
}
}
/* No old destination -- Get new one now */
else
{
dest_floor_id = get_new_floor_id();
/* Fix it */
if (up)
sf_ptr->upper_floor_id = dest_floor_id;
else
sf_ptr->lower_floor_id = dest_floor_id;
}
/* Extract destination floor data */
dest_sf_ptr = get_sf_ptr(dest_floor_id);
/* Create a staircase */
if (up)
{
cave_set_feat(p_ptr->y, p_ptr->x,
(dest_sf_ptr->last_visit && (dest_sf_ptr->dun_level <= dun_level - 2)) ?
feat_state(feat_up_stair, FF_SHAFT) : feat_up_stair);
}
else
{
cave_set_feat(p_ptr->y, p_ptr->x,
(dest_sf_ptr->last_visit && (dest_sf_ptr->dun_level >= dun_level + 2)) ?
feat_state(feat_down_stair, FF_SHAFT) : feat_down_stair);
}
/* Connect this stairs to the destination */
cave[p_ptr->y][p_ptr->x].special = dest_floor_id;
}
/*!
* @brief フロアの切り替え処理 / Enter new floor.
* @return なし
* @details
* If the floor is an old saved floor, it will be\n
* restored from the temporal file. If the floor is new one, new cave\n
* will be generated.\n
*/
void change_floor(void)
{
saved_floor_type *sf_ptr;
bool loaded = FALSE;
/* The dungeon is not ready */
character_dungeon = FALSE;
/* No longer in the trap detecteded region */
p_ptr->dtrap = FALSE;
/* Mega-Hack -- no panel yet */
panel_row_min = 0;
panel_row_max = 0;
panel_col_min = 0;
panel_col_max = 0;
/* Mega-Hack -- not ambushed on the wildness? */
ambush_flag = FALSE;
/* No saved floors (On the surface etc.) */
if (!(change_floor_mode & CFM_SAVE_FLOORS) &&
!(change_floor_mode & CFM_FIRST_FLOOR))
{
/* Create cave */
generate_cave();
/* Paranoia -- No new saved floor */
new_floor_id = 0;
}
/* In the dungeon */
else
{
/* No floor_id yet */
if (!new_floor_id)
{
/* Get new id */
new_floor_id = get_new_floor_id();
}
/* Pointer for infomations of new floor */
sf_ptr = get_sf_ptr(new_floor_id);
/* Try to restore old floor */
if (sf_ptr->last_visit)
{
/* Old saved floor is exist */
if (load_floor(sf_ptr, 0))
{
loaded = TRUE;
/* Forbid return stairs */
if (change_floor_mode & CFM_NO_RETURN)
{
cave_type *c_ptr = &cave[p_ptr->y][p_ptr->x];
if (!feat_uses_special(c_ptr->feat))
{
if (change_floor_mode & (CFM_DOWN | CFM_UP))
{
/* Reset to floor */
c_ptr->feat = floor_type[randint0(100)];
}
c_ptr->special = 0;
}
}
}
}
/*
* Set lower/upper_floor_id of new floor when the new
* floor is right-above/right-under the current floor.
*
* Stair creation/Teleport level/Trap door will take
* you the same floor when you used it later again.
*/
if (p_ptr->floor_id)
{
saved_floor_type *cur_sf_ptr = get_sf_ptr(p_ptr->floor_id);
if (change_floor_mode & CFM_UP)
{
/* New floor is right-above */
if (cur_sf_ptr->upper_floor_id == new_floor_id)
sf_ptr->lower_floor_id = p_ptr->floor_id;
}
else if (change_floor_mode & CFM_DOWN)
{
/* New floor is right-under */
if (cur_sf_ptr->lower_floor_id == new_floor_id)
sf_ptr->upper_floor_id = p_ptr->floor_id;
}
}
/* Break connection to killed floor */
else
{
if (change_floor_mode & CFM_UP)
sf_ptr->lower_floor_id = 0;
else if (change_floor_mode & CFM_DOWN)
sf_ptr->upper_floor_id = 0;
}
/* Maintain monsters and artifacts */
if (loaded)
{
IDX i;
s32b tmp_last_visit = sf_ptr->last_visit;
s32b absence_ticks;
int alloc_chance = d_info[dungeon_type].max_m_alloc_chance;
int alloc_times;
while (tmp_last_visit > turn) tmp_last_visit -= TURNS_PER_TICK * TOWN_DAWN;
absence_ticks = (turn - tmp_last_visit) / TURNS_PER_TICK;
/* Maintain monsters */
for (i = 1; i < m_max; i++)
{
monster_race *r_ptr;
monster_type *m_ptr = &m_list[i];
/* Skip dead monsters */
if (!m_ptr->r_idx) continue;
if (!is_pet(m_ptr))
{
/* Restore HP */
m_ptr->hp = m_ptr->maxhp = m_ptr->max_maxhp;
/* Remove timed status (except MTIMED_CSLEEP) */
(void)set_monster_fast(i, 0);
(void)set_monster_slow(i, 0);
(void)set_monster_stunned(i, 0);
(void)set_monster_confused(i, 0);
(void)set_monster_monfear(i, 0);
(void)set_monster_invulner(i, 0, FALSE);
}
/* Extract real monster race */
r_ptr = real_r_ptr(m_ptr);
/* Ignore non-unique */
if (!(r_ptr->flags1 & RF1_UNIQUE) &&
!(r_ptr->flags7 & RF7_NAZGUL)) continue;
/* Appear at a different floor? */
if (r_ptr->floor_id != new_floor_id)
{
/* Disapper from here */
delete_monster_idx(i);
}
}
/* Maintain artifatcs */
for (i = 1; i < o_max; i++)
{
object_type *o_ptr = &o_list[i];
/* Skip dead objects */
if (!o_ptr->k_idx) continue;
/* Ignore non-artifact */
if (!object_is_fixed_artifact(o_ptr)) continue;
/* Appear at a different floor? */
if (a_info[o_ptr->name1].floor_id != new_floor_id)
{
/* Disappear from here */
delete_object_idx(i);
}
else
{
/* Cancel preserve */
a_info[o_ptr->name1].cur_num = 1;
}
}
(void)place_quest_monsters();
/* Place some random monsters */
alloc_times = absence_ticks / alloc_chance;
if (randint0(alloc_chance) < (absence_ticks % alloc_chance))
alloc_times++;
for (i = 0; i < alloc_times; i++)
{
/* Make a (group of) new monster */
(void)alloc_monster(0, 0);
}
}
/* New floor_id or failed to restore */
else /* if (!loaded) */
{
if (sf_ptr->last_visit)
{
/* Temporal file is broken? */
#ifdef JP
msg_print("階段は行き止まりだった。");
#else
msg_print("The staircases come to a dead end...");
#endif
/* Create simple dead end */
build_dead_end();
/* Break connection */
if (change_floor_mode & CFM_UP)
{
sf_ptr->upper_floor_id = 0;
}
else if (change_floor_mode & CFM_DOWN)
{
sf_ptr->lower_floor_id = 0;
}
}
else
{
/* Newly create cave */
generate_cave();
}
/* Record last visit turn */
sf_ptr->last_visit = turn;
/* Set correct dun_level value */
sf_ptr->dun_level = dun_level;
/* Create connected stairs */
if (!(change_floor_mode & CFM_NO_RETURN))
{
/* Extract stair position */
cave_type *c_ptr = &cave[p_ptr->y][p_ptr->x];
/*** Create connected stairs ***/
/* No stairs down from Quest */
if ((change_floor_mode & CFM_UP) && !quest_number(dun_level))
{
c_ptr->feat = (change_floor_mode & CFM_SHAFT) ? feat_state(feat_down_stair, FF_SHAFT) : feat_down_stair;
}
/* No stairs up when ironman_downward */
else if ((change_floor_mode & CFM_DOWN) && !ironman_downward)
{
c_ptr->feat = (change_floor_mode & CFM_SHAFT) ? feat_state(feat_up_stair, FF_SHAFT) : feat_up_stair;
}
/* Paranoia -- Clear mimic */
c_ptr->mimic = 0;
/* Connect to previous floor */
c_ptr->special = p_ptr->floor_id;
}
}
/* Arrive at random grid */
if (change_floor_mode & (CFM_RAND_PLACE))
{
(void)new_player_spot();
}
/* You see stairs blocked */
else if ((change_floor_mode & CFM_NO_RETURN) &&
(change_floor_mode & (CFM_DOWN | CFM_UP)))
{
if (!p_ptr->blind)
{
#ifdef JP
msg_print("突然階段が塞がれてしまった。");
#else
msg_print("Suddenly the stairs is blocked!");
#endif
}
else
{
#ifdef JP
msg_print("ゴトゴトと何か音がした。");
#else
msg_print("You hear some noises.");
#endif
}
}
/*
* Update visit mark
*
* The "turn" is not always different number because
* the level teleport doesn't take any turn. Use
* visit mark instead of last visit turn to find the
* oldest saved floor.
*/
sf_ptr->visit_mark = latest_visit_mark++;
}
/* Place preserved pet monsters */
place_pet();
/* Reset travel target place */
forget_travel_flow();
/* Hack -- maintain unique and artifacts */
update_unique_artifact(new_floor_id);
/* Now the player is in new floor */
p_ptr->floor_id = new_floor_id;
/* The dungeon is ready */
character_dungeon = TRUE;
/* Hack -- Munchkin characters always get whole map */
if (p_ptr->pseikaku == SEIKAKU_MUNCHKIN)
wiz_lite((bool)(p_ptr->pclass == CLASS_NINJA));
/* Remember when this level was "created" */
old_turn = turn;
/* No dungeon feeling yet */
p_ptr->feeling_turn = old_turn;
p_ptr->feeling = 0;
/* Clear all flags */
change_floor_mode = 0L;
select_floor_music();
}
/*
* Places some staircases near walls
*/
static bool alloc_stairs(int feat, int num, int walls)
{
int i;
int shaft_num = 0;
feature_type *f_ptr = &f_info[feat];
if (have_flag(f_ptr->flags, FF_LESS))
{
/* No up stairs in town or in ironman mode */
if (ironman_downward || !dun_level) return TRUE;
/* No way out!!
if ( dun_level == d_info[dungeon_type].mindepth
&& (dungeon_flags[dungeon_type] & DUNGEON_NO_ENTRANCE) )
{
return TRUE;
}
if ( dun_level == d_info[dungeon_type].mindepth + 1
&& (dungeon_flags[dungeon_type] & DUNGEON_NO_ENTRANCE) )
{
shaft_num = 0;
}
else */if (dun_level > d_info[dungeon_type].mindepth)
shaft_num = (randint1(num+1))/2;
}
else if (have_flag(f_ptr->flags, FF_MORE))
{
/* player must complete the quest to gain the down staircase */
if (!quests_allow_downstairs()) return TRUE;
/* No downstairs on random wilderness entrances */
if (d_info[dungeon_type].flags1 & DF1_RANDOM) return TRUE;
/* No downstairs at the bottom */
if (dun_level >= d_info[dungeon_type].maxdepth) return TRUE;
if ( dun_level < d_info[dungeon_type].maxdepth - 1
/* Note: If we exclude downshafts, then the astute player can be certain
* that normal stairs do *not* lead to a quest level. Instead, we'll change
* the behavior of FF_SHAFT in do_cmd_go_down. */
/*&& quests_allow_downshaft()*/)
{
shaft_num = (randint1(num)+1)/2;
if (quickband) shaft_num *= 2;
}
}
/* Paranoia */
else return FALSE;
/* Place "num" stairs */
for (i = 0; i < num; i++)
{
while (TRUE)
{
int y = 0, x = 0;
cave_type *c_ptr;
int candidates = 0;
int pick;
for (y = 1; y < cur_hgt - 1; y++)
{
for (x = 1; x < cur_wid - 1; x++)
{
if (alloc_stairs_aux(y, x, walls))
{
/* A valid space found */
candidates++;
}
}
}
/* No valid place! */
if (!candidates)
{
/* There are exactly no place! */
if (walls <= 0) return FALSE;
/* Decrease walls limit, and try again */
walls--;
continue;
}
/* Choose a random one */
pick = randint1(candidates);
for (y = 1; y < cur_hgt - 1; y++)
{
for (x = 1; x < cur_wid - 1; x++)
{
if (alloc_stairs_aux(y, x, walls))
{
pick--;
/* Is this a picked one? */
if (!pick) break;
}
}
if (!pick) break;
}
/* Access the grid */
c_ptr = &cave[y][x];
/* Clear possible garbage of hidden trap */
c_ptr->mimic = 0;
/* Clear previous contents, add stairs */
c_ptr->feat = (i < shaft_num) ? feat_state(feat, FF_SHAFT) : feat;
/* No longer "FLOOR" */
c_ptr->info &= ~(CAVE_FLOOR);
/* Success */
break;
}
}
return TRUE;
}
/*
* Places some staircases near walls
*/
static bool alloc_stairs(int feat, int num, int walls)
{
int i;
int shaft_num = 0;
feature_type *f_ptr = &f_info[feat];
if (have_flag(f_ptr->flags, FF_LESS))
{
/* No up stairs in town or in ironman mode */
if (ironman_downward || !dun_level) return TRUE;
if (dun_level > d_info[dungeon_type].mindepth)
shaft_num = (randint1(num+1))/2;
}
else if (have_flag(f_ptr->flags, FF_MORE))
{
int q_idx = quest_number(dun_level);
/* No downstairs on quest levels */
if (dun_level > 1 && q_idx)
{
monster_race *r_ptr = &r_info[quest[q_idx].r_idx];
/* The quest monster(s) is still alive? */
if (!(r_ptr->flags1 & RF1_UNIQUE) || 0 < r_ptr->max_num)
return TRUE;
}
/* No downstairs at the bottom */
if (dun_level >= d_info[dungeon_type].maxdepth) return TRUE;
if ((dun_level < d_info[dungeon_type].maxdepth-1) && !quest_number(dun_level+1))
shaft_num = (randint1(num)+1)/2;
}
/* Paranoia */
else return FALSE;
/* Place "num" stairs */
for (i = 0; i < num; i++)
{
while (TRUE)
{
int y = 0, x = 0;
cave_type *c_ptr;
int candidates = 0;
int pick;
for (y = 1; y < cur_hgt - 1; y++)
{
for (x = 1; x < cur_wid - 1; x++)
{
if (alloc_stairs_aux(y, x, walls))
{
/* A valid space found */
candidates++;
}
}
}
/* No valid place! */
if (!candidates)
{
/* There are exactly no place! */
if (walls <= 0) return FALSE;
/* Decrease walls limit, and try again */
walls--;
continue;
}
/* Choose a random one */
pick = randint1(candidates);
for (y = 1; y < cur_hgt - 1; y++)
{
for (x = 1; x < cur_wid - 1; x++)
{
if (alloc_stairs_aux(y, x, walls))
{
pick--;
/* Is this a picked one? */
if (!pick) break;
}
}
if (!pick) break;
}
/* Access the grid */
c_ptr = &cave[y][x];
/* Clear possible garbage of hidden trap */
c_ptr->mimic = 0;
/* Clear previous contents, add stairs */
c_ptr->feat = (i < shaft_num) ? feat_state(feat, FF_SHAFT) : feat;
/* No longer "FLOOR" */
c_ptr->info &= ~(CAVE_FLOOR);
/* Success */
break;
}
}
return TRUE;
}