/*!
* @brief ユニークモンスターやアーティファクトの所在フロアを更新する / Hack -- Update location of unique monsters and artifacts
* @param cur_floor_id 現在のフロアID
* @return なし
* @details
* The r_ptr->floor_id and a_ptr->floor_id are not updated correctly\n
* while new floor creation since dungeons may be re-created by\n
* auto-scum option.\n
*/
static void update_unique_artifact(s16b cur_floor_id)
{
int i;
/* Maintain unique 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;
/* Extract real monster race */
r_ptr = real_r_ptr(m_ptr);
/* Memorize location of the unique monster */
if ((r_ptr->flags1 & RF1_UNIQUE) ||
(r_ptr->flags7 & RF7_NAZGUL))
{
r_ptr->floor_id = cur_floor_id;
}
}
/* 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;
/* Memorize location of the artifact */
if (object_is_fixed_artifact(o_ptr))
{
a_info[o_ptr->name1].floor_id = cur_floor_id;
}
}
}
/*!
* @brief アイテムの質を選択して再生成する /
* Apply magic to an item or turn it into an artifact. -Bernd-
* @param o_ptr 再生成の対象となるアイテム情報の参照ポインタ
* @return なし
*/
static void wiz_reroll_item(object_type *o_ptr)
{
object_type forge;
object_type *q_ptr;
char ch;
bool changed = FALSE;
/* Hack -- leave artifacts alone */
if (object_is_artifact(o_ptr)) return;
/* Get local object */
q_ptr = &forge;
/* Copy the object */
object_copy(q_ptr, o_ptr);
/* Main loop. Ask for magification and artifactification */
while (TRUE)
{
/* Display full item debug information */
wiz_display_item(q_ptr);
/* Ask wizard what to do. */
if (!get_com("[a]ccept, [w]orthless, [c]ursed, [n]ormal, [g]ood, [e]xcellent, [s]pecial? ", &ch, FALSE))
{
/* Preserve wizard-generated artifacts */
if (object_is_fixed_artifact(q_ptr))
{
a_info[q_ptr->name1].cur_num = 0;
q_ptr->name1 = 0;
}
changed = FALSE;
break;
}
/* Create/change it! */
if (ch == 'A' || ch == 'a')
{
changed = TRUE;
break;
}
/* Preserve wizard-generated artifacts */
if (object_is_fixed_artifact(q_ptr))
{
a_info[q_ptr->name1].cur_num = 0;
q_ptr->name1 = 0;
}
switch(ch)
{
/* Apply bad magic, but first clear object */
case 'w': case 'W':
{
object_prep(q_ptr, o_ptr->k_idx);
apply_magic(q_ptr, dun_level, AM_NO_FIXED_ART | AM_GOOD | AM_GREAT | AM_CURSED);
break;
}
/* Apply bad magic, but first clear object */
case 'c': case 'C':
{
object_prep(q_ptr, o_ptr->k_idx);
apply_magic(q_ptr, dun_level, AM_NO_FIXED_ART | AM_GOOD | AM_CURSED);
break;
}
/* Apply normal magic, but first clear object */
case 'n': case 'N':
{
object_prep(q_ptr, o_ptr->k_idx);
apply_magic(q_ptr, dun_level, AM_NO_FIXED_ART);
break;
}
/* Apply good magic, but first clear object */
case 'g': case 'G':
{
object_prep(q_ptr, o_ptr->k_idx);
apply_magic(q_ptr, dun_level, AM_NO_FIXED_ART | AM_GOOD);
break;
}
/* Apply great magic, but first clear object */
case 'e': case 'E':
{
object_prep(q_ptr, o_ptr->k_idx);
apply_magic(q_ptr, dun_level, AM_NO_FIXED_ART | AM_GOOD | AM_GREAT);
break;
}
/* Apply special magic, but first clear object */
case 's': case 'S':
{
object_prep(q_ptr, o_ptr->k_idx);
apply_magic(q_ptr, dun_level, AM_GOOD | AM_GREAT | AM_SPECIAL);
/* Failed to create artifact; make a random one */
if (!object_is_artifact(q_ptr)) create_artifact(q_ptr, FALSE);
break;
}
}
q_ptr->iy = o_ptr->iy;
q_ptr->ix = o_ptr->ix;
q_ptr->next_o_idx = o_ptr->next_o_idx;
q_ptr->marked = o_ptr->marked;
}
/* Notice change */
if (changed)
{
/* Apply changes */
object_copy(o_ptr, q_ptr);
/* Recalculate bonuses */
p_ptr->update |= (PU_BONUS);
/* Combine / Reorder the pack (later) */
p_ptr->notice |= (PN_COMBINE | PN_REORDER);
/* Window stuff */
p_ptr->window |= (PW_INVEN | PW_EQUIP | PW_SPELL | PW_PLAYER);
}
}
/*!
* @brief 検査対象のアイテムを基準とした生成テストを行う /
* Try to create an item again. Output some statistics. -Bernd-
* @param o_ptr 生成テストの基準となるアイテム情報の参照ポインタ
* @return なし
* The statistics are correct now. We acquire a clean grid, and then
* repeatedly place an object in this grid, copying it into an item
* holder, and then deleting the object. We fiddle with the artifact
* counter flags to prevent weirdness. We use the items to collect
* statistics on item creation relative to the initial item.
*/
static void wiz_statistics(object_type *o_ptr)
{
u32b i, matches, better, worse, other, correct;
u32b test_roll = 1000000;
char ch;
cptr quality;
u32b mode;
object_type forge;
object_type *q_ptr;
cptr q = "Rolls: %ld Correct: %ld Matches: %ld Better: %ld Worse: %ld Other: %ld";
cptr p = "Enter number of items to roll: ";
char tmp_val[80];
/* XXX XXX XXX Mega-Hack -- allow multiple artifacts */
if (object_is_fixed_artifact(o_ptr)) a_info[o_ptr->name1].cur_num = 0;
/* Interact */
while (TRUE)
{
cptr pmt = "Roll for [n]ormal, [g]ood, or [e]xcellent treasure? ";
/* Display item */
wiz_display_item(o_ptr);
/* Get choices */
if (!get_com(pmt, &ch, FALSE)) break;
if (ch == 'n' || ch == 'N')
{
mode = 0L;
quality = "normal";
}
else if (ch == 'g' || ch == 'G')
{
mode = AM_GOOD;
quality = "good";
}
else if (ch == 'e' || ch == 'E')
{
mode = AM_GOOD | AM_GREAT;
quality = "excellent";
}
else
{
break;
}
sprintf(tmp_val, "%ld", (long int)test_roll);
if (get_string(p, tmp_val, 10)) test_roll = atol(tmp_val);
test_roll = MAX(1, test_roll);
/* Let us know what we are doing */
msg_format("Creating a lot of %s items. Base level = %d.",
quality, dun_level);
msg_print(NULL);
/* Set counters to zero */
correct = matches = better = worse = other = 0;
/* Let's rock and roll */
for (i = 0; i <= test_roll; i++)
{
/* Output every few rolls */
if ((i < 100) || (i % 100 == 0))
{
/* Do not wait */
inkey_scan = TRUE;
/* Allow interupt */
if (inkey())
{
/* Flush */
flush();
/* Stop rolling */
break;
}
/* Dump the stats */
prt(format(q, i, correct, matches, better, worse, other), 0, 0);
Term_fresh();
}
/* Get local object */
q_ptr = &forge;
/* Wipe the object */
object_wipe(q_ptr);
/* Create an object */
make_object(q_ptr, mode);
/* XXX XXX XXX Mega-Hack -- allow multiple artifacts */
if (object_is_fixed_artifact(q_ptr)) a_info[q_ptr->name1].cur_num = 0;
/* Test for the same tval and sval. */
if ((o_ptr->tval) != (q_ptr->tval)) continue;
if ((o_ptr->sval) != (q_ptr->sval)) continue;
/* One more correct item */
correct++;
/* Check for match */
if ((q_ptr->pval == o_ptr->pval) &&
(q_ptr->to_a == o_ptr->to_a) &&
(q_ptr->to_h == o_ptr->to_h) &&
(q_ptr->to_d == o_ptr->to_d) &&
(q_ptr->name1 == o_ptr->name1))
{
matches++;
}
/* Check for better */
else if ((q_ptr->pval >= o_ptr->pval) &&
(q_ptr->to_a >= o_ptr->to_a) &&
(q_ptr->to_h >= o_ptr->to_h) &&
(q_ptr->to_d >= o_ptr->to_d))
{
better++;
}
/* Check for worse */
else if ((q_ptr->pval <= o_ptr->pval) &&
(q_ptr->to_a <= o_ptr->to_a) &&
(q_ptr->to_h <= o_ptr->to_h) &&
(q_ptr->to_d <= o_ptr->to_d))
{
worse++;
}
/* Assume different */
else
{
other++;
}
}
/* Final dump */
msg_format(q, i, correct, matches, better, worse, other);
msg_print(NULL);
}
/* Hack -- Normally only make a single artifact */
if (object_is_fixed_artifact(o_ptr)) a_info[o_ptr->name1].cur_num = 1;
}
/*!
* @brief 現在のフロアを離れるに伴って行なわれる保存処理
* / Maintain quest monsters, mark next floor_id at stairs, save current floor, and prepare to enter next floor.
* @return なし
*/
void leave_floor(void)
{
cave_type *c_ptr = NULL;
feature_type *f_ptr;
saved_floor_type *sf_ptr;
int quest_r_idx = 0;
DUNGEON_IDX i;
/* Preserve pets and prepare to take these to next floor */
preserve_pet();
/* Remove all mirrors without explosion */
remove_all_mirrors(FALSE);
if (p_ptr->special_defense & NINJA_S_STEALTH) set_superstealth(FALSE);
/* New floor is not yet prepared */
new_floor_id = 0;
/* Temporary get a floor_id (for Arena) */
if (!p_ptr->floor_id &&
(change_floor_mode & CFM_SAVE_FLOORS) &&
!(change_floor_mode & CFM_NO_RETURN))
{
/* Get temporal floor_id */
p_ptr->floor_id = get_new_floor_id();
}
/* Search the quest monster index */
for (i = 0; i < max_q_idx; i++)
{
if ((quest[i].status == QUEST_STATUS_TAKEN) &&
((quest[i].type == QUEST_TYPE_KILL_LEVEL) ||
(quest[i].type == QUEST_TYPE_RANDOM)) &&
(quest[i].level == dun_level) &&
(dungeon_type == quest[i].dungeon) &&
!(quest[i].flags & QUEST_FLAG_PRESET))
{
quest_r_idx = quest[i].r_idx;
}
}
/* Maintain quest 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;
/* Only maintain quest monsters */
if (quest_r_idx != m_ptr->r_idx) continue;
/* Extract real monster race */
r_ptr = real_r_ptr(m_ptr);
/* Ignore unique monsters */
if ((r_ptr->flags1 & RF1_UNIQUE) ||
(r_ptr->flags7 & RF7_NAZGUL)) continue;
/* Delete non-unique quest monsters */
delete_monster_idx(i);
}
/* Check if there is a same item */
for (i = 0; i < INVEN_PACK; i++)
{
object_type *o_ptr = &inventory[i];
/* Skip dead objects */
if (!o_ptr->k_idx) continue;
/* Delete old memorized location of the artifact */
if (object_is_fixed_artifact(o_ptr))
{
a_info[o_ptr->name1].floor_id = 0;
}
}
/* Extract current floor info or NULL */
sf_ptr = get_sf_ptr(p_ptr->floor_id);
/* Choose random stairs */
if ((change_floor_mode & CFM_RAND_CONNECT) && p_ptr->floor_id)
{
locate_connected_stairs(sf_ptr);
}
/* Extract new dungeon level */
if (change_floor_mode & CFM_SAVE_FLOORS)
{
/* Extract stair position */
c_ptr = &cave[p_ptr->y][p_ptr->x];
f_ptr = &f_info[c_ptr->feat];
/* Get back to old saved floor? */
if (c_ptr->special && !have_flag(f_ptr->flags, FF_SPECIAL) && get_sf_ptr(c_ptr->special))
{
/* Saved floor is exist. Use it. */
new_floor_id = c_ptr->special;
}
/* Mark shaft up/down */
if (have_flag(f_ptr->flags, FF_STAIRS) && have_flag(f_ptr->flags, FF_SHAFT))
{
prepare_change_floor_mode(CFM_SHAFT);
}
}
/* Climb up/down some sort of stairs */
if (change_floor_mode & (CFM_DOWN | CFM_UP))
{
int move_num = 0;
/* Extract level movement number */
if (change_floor_mode & CFM_DOWN) move_num = 1;
else if (change_floor_mode & CFM_UP) move_num = -1;
/* Shafts are deeper than normal stairs */
if (change_floor_mode & CFM_SHAFT)
move_num += SGN(move_num);
/* Get out from or Enter the dungeon */
if (change_floor_mode & CFM_DOWN)
{
if (!dun_level)
move_num = d_info[dungeon_type].mindepth;
}
else if (change_floor_mode & CFM_UP)
{
if (dun_level + move_num < d_info[dungeon_type].mindepth)
move_num = -dun_level;
}
dun_level += move_num;
}
/* Leaving the dungeon to town */
if (!dun_level && dungeon_type)
{
p_ptr->leaving_dungeon = TRUE;
if (!vanilla_town && !lite_town)
{
p_ptr->wilderness_y = d_info[dungeon_type].dy;
p_ptr->wilderness_x = d_info[dungeon_type].dx;
}
p_ptr->recall_dungeon = dungeon_type;
dungeon_type = 0;
/* Reach to the surface -- Clear all saved floors */
change_floor_mode &= ~CFM_SAVE_FLOORS;
}
/* Kill some old saved floors */
if (!(change_floor_mode & CFM_SAVE_FLOORS))
{
/* Kill all saved floors */
for (i = 0; i < MAX_SAVED_FLOORS; i++)
kill_saved_floor(&saved_floors[i]);
/* Reset visit_mark count */
latest_visit_mark = 1;
}
else if (change_floor_mode & CFM_NO_RETURN)
{
/* Kill current floor */
kill_saved_floor(sf_ptr);
}
/* No current floor -- Left/Enter dungeon etc... */
if (!p_ptr->floor_id)
{
/* No longer need to save current floor */
return;
}
/* Mark next floor_id on the previous floor */
if (!new_floor_id)
{
/* Get new id */
new_floor_id = get_new_floor_id();
/* Connect from here */
if (c_ptr && !feat_uses_special(c_ptr->feat))
{
c_ptr->special = new_floor_id;
}
}
/* Fix connection -- level teleportation or trap door */
if (change_floor_mode & CFM_RAND_CONNECT)
{
if (change_floor_mode & CFM_UP)
sf_ptr->upper_floor_id = new_floor_id;
else if (change_floor_mode & CFM_DOWN)
sf_ptr->lower_floor_id = new_floor_id;
}
/* If you can return, you need to save previous floor */
if ((change_floor_mode & CFM_SAVE_FLOORS) &&
!(change_floor_mode & CFM_NO_RETURN))
{
/* Get out of the my way! */
get_out_monster();
/* Record the last visit turn of current floor */
sf_ptr->last_visit = turn;
/* Forget the lite */
forget_lite();
/* Forget the view */
forget_view();
/* Forget the view */
clear_mon_lite();
/* Save current floor */
if (!save_floor(sf_ptr, 0))
{
/* Save failed -- No return */
prepare_change_floor_mode(CFM_NO_RETURN);
/* Kill current floor */
kill_saved_floor(get_sf_ptr(p_ptr->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();
}
/*
* Check if an object is artifact
*/
bool object_is_artifact(object_type *o_ptr)
{
if (object_is_fixed_artifact(o_ptr) || o_ptr->art_name) return TRUE;
return FALSE;
}
/*
* Places "streamers" of rock through dungeon
*
* Note that their are actually six different terrain features used
* to represent streamers. Three each of magma and quartz, one for
* basic vein, one with hidden gold, and one with known gold. The
* hidden gold types are currently unused.
*/
void build_streamer(int feat, int chance)
{
int i, tx, ty;
int y, x, dir;
int dummy = 0;
cave_type *c_ptr;
feature_type *f_ptr;
feature_type *streamer_ptr = &f_info[feat];
bool streamer_is_wall = have_flag(streamer_ptr->flags, FF_WALL) && !have_flag(streamer_ptr->flags, FF_PERMANENT);
bool streamer_may_have_gold = have_flag(streamer_ptr->flags, FF_MAY_HAVE_GOLD);
/* Hack -- Choose starting point */
y = rand_spread(cur_hgt / 2, cur_hgt / 6);
x = rand_spread(cur_wid / 2, cur_wid / 6);
/* Choose a random compass direction */
dir = ddd[randint0(8)];
/* Place streamer into dungeon */
while (dummy < SAFE_MAX_ATTEMPTS)
{
dummy++;
/* One grid per density */
for (i = 0; i < DUN_STR_DEN; i++)
{
int d = DUN_STR_RNG;
/* Pick a nearby grid */
while (1)
{
ty = rand_spread(y, d);
tx = rand_spread(x, d);
if (!in_bounds2(ty, tx)) continue;
break;
}
/* Access the grid */
c_ptr = &cave[ty][tx];
f_ptr = &f_info[c_ptr->feat];
if (have_flag(f_ptr->flags, FF_MOVE) && (have_flag(f_ptr->flags, FF_WATER) || have_flag(f_ptr->flags, FF_LAVA)))
continue;
/* Do not convert permanent features */
if (have_flag(f_ptr->flags, FF_PERMANENT)) continue;
/* Only convert "granite" walls */
if (streamer_is_wall)
{
if (!is_extra_grid(c_ptr) && !is_inner_grid(c_ptr) && !is_outer_grid(c_ptr) && !is_solid_grid(c_ptr)) continue;
if (is_closed_door(c_ptr->feat)) continue;
}
if (c_ptr->m_idx && !(have_flag(streamer_ptr->flags, FF_PLACE) && monster_can_cross_terrain(feat, &r_info[m_list[c_ptr->m_idx].r_idx], 0)))
{
/* Delete the monster (if any) */
delete_monster(ty, tx);
}
if (c_ptr->o_idx && !have_flag(streamer_ptr->flags, FF_DROP))
{
s16b this_o_idx, next_o_idx = 0;
/* Scan all objects in the grid */
for (this_o_idx = c_ptr->o_idx; this_o_idx; this_o_idx = next_o_idx)
{
/* Acquire object */
object_type *o_ptr = &o_list[this_o_idx];
/* Acquire next object */
next_o_idx = o_ptr->next_o_idx;
/* Hack -- Preserve unknown artifacts */
if (object_is_fixed_artifact(o_ptr))
{
/* Mega-Hack -- Preserve the artifact */
a_info[o_ptr->name1].cur_num = 0;
if (cheat_peek)
{
char o_name[MAX_NLEN];
object_desc(o_name, o_ptr, (OD_NAME_ONLY | OD_STORE));
msg_format("Artifact (%s) was deleted by streamer.", o_name);
}
}
else if (o_ptr->name3)
{
/* Mega-Hack -- Preserve the artifact */
a_info[o_ptr->name3].cur_num = 0;
if (cheat_peek)
{
char o_name[MAX_NLEN];
object_desc(o_name, o_ptr, (OD_NAME_ONLY | OD_STORE));
msg_format("Artifact (%s) was deleted by streamer.", o_name);
}
}
else if (cheat_peek && o_ptr->art_name)
{
msg_print("One of the random artifacts was deleted by streamer.");
}
}
/* Delete objects */
delete_object(ty, tx);
}
/* Clear previous contents, add proper vein type */
c_ptr->feat = feat;
/* Paranoia: Clear mimic field */
c_ptr->mimic = 0;
if (streamer_may_have_gold)
{
/* Hack -- Add some known treasure */
if (one_in_(chance))
{
cave_alter_feat(ty, tx, FF_MAY_HAVE_GOLD);
}
/* Hack -- Add some hidden treasure */
else if (one_in_(chance / 4))
{
cave_alter_feat(ty, tx, FF_MAY_HAVE_GOLD);
cave_alter_feat(ty, tx, FF_ENSECRET);
}
}
}
if (dummy >= SAFE_MAX_ATTEMPTS)
{
if (cheat_room)
{
msg_print("Warning! Could not place streamer!");
}
return;
}
/* Advance the streamer */
y += ddy[dir];
x += ddx[dir];
/* Quit before leaving the dungeon */
if (!in_bounds(y, x)) break;
}
}
