bool place_mirror(void)
{
/* XXX XXX XXX */
if (!cave_clean_bold(py, px))
{
#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 FALSE;
}
/* Create a mirror */
cave[py][px].info |= CAVE_OBJECT;
cave[py][px].mimic = feat_mirror;
/* Turn on the light */
cave[py][px].info |= CAVE_GLOW;
/* Notice */
note_spot(py, px);
/* Redraw */
lite_spot(py, px);
update_local_illumination(py, px);
return TRUE;
}
/*
* Create magical stairs after finishing a quest monster.
*/
static void build_quest_stairs(int y, int x)
{
int ny, nx;
/* Stagger around */
while (!cave_clean_bold(y, x))
{
/* Pick a location */
scatter(&ny, &nx, y, x, 5, 1);
/* Stagger */
y = ny; x = nx;
}
/* Destroy any objects */
delete_object(y, x);
/* Explain the staircase */
msg_print("A magical staircase appears...");
/* Create stairs down */
cave_set_feat(y, x, FEAT_MORE);
light_spot(y, x);
/* Update the visuals */
p_ptr->update |= (PU_UPDATE_VIEW | PU_MONSTERS);
}
static bool _place_web(int y, int x)
{
if (!in_bounds(y, x))
return FALSE;
if (!cave_clean_bold(y,x) || cave[y][x].m_idx)
return FALSE;
cave_set_feat(y, x, feat_web);
return TRUE;
}
/*
* Attempt to place an object (normal or good/great) at the given location.
*
* This routine plays nasty games to generate the "special artifacts".
*
* This routine uses "object_level" for the "generation level".
*
* This routine requires a clean floor grid destination.
*/
void place_object(s32b y, s32b x, bool good, bool great, s32b where)
{
object_type *q_ptr;
/* Paranoia -- check bounds */
if (!in_bounds(y, x)) return;
/* Require clean floor space */
if (!cave_clean_bold(y, x)) return;
/* Get local object */
q_ptr = make_object(good, great, NULL);
/* Make an object (if possible) */
if (q_ptr == NULL)
return;
if (where == OBJ_FOUND_VAULT)
{
q_ptr->found = OBJ_FOUND_VAULT;
q_ptr->found_aux1 = dungeon_type;
q_ptr->found_aux2 = level_or_feat(dungeon_type, dun_level);
}
else if (where == OBJ_FOUND_FLOOR)
{
q_ptr->found = OBJ_FOUND_FLOOR;
q_ptr->found_aux1 = dungeon_type;
q_ptr->found_aux2 = level_or_feat(dungeon_type, dun_level);
}
else if (where == OBJ_FOUND_SPECIAL)
{
q_ptr->found = OBJ_FOUND_SPECIAL;
}
else if (where == OBJ_FOUND_RUBBLE)
{
q_ptr->found = OBJ_FOUND_RUBBLE;
}
/* Object array overflow */
if (!floor_carry(y, x, q_ptr))
{
/* Hack -- Preserve artifacts */
if (q_ptr->artifact_id)
{
a_info[q_ptr->artifact_id].cur_num = 0;
}
else if (has_flag(&k_info[q_ptr->k_idx], FLAG_NORM_ART))
{
k_info[q_ptr->k_idx].artifact = 0;
}
delete_object(q_ptr);
}
}
static bool _mirror_place(void)
{
if (!cave_clean_bold(py, px))
{
msg_print("The object resists the spell.");
return FALSE;
}
cave[py][px].info |= CAVE_OBJECT;
cave[py][px].mimic = feat_mirror;
cave[py][px].info |= CAVE_GLOW;
note_spot(py, px);
lite_spot(py, px);
update_local_illumination(py, px);
return TRUE;
}
/**
* Place an up/down staircase at given location
*/
void place_random_stairs(int y, int x)
{
/* Paranoia */
if (!cave_clean_bold(y, x))
return;
/* Choose a staircase */
if (!p_ptr->depth) {
place_down_stairs(y, x);
} else if (OPT(adult_dungeon) && !stage_map[p_ptr->stage][DOWN]) {
place_up_stairs(y, x);
} else if (randint0(100) < 50) {
place_down_stairs(y, x);
} else {
place_up_stairs(y, x);
}
}
/*
* Places a treasure (Gold or Gems) at given location
*
* The location must be a legal, clean, floor grid.
*/
void place_gold(s32b y, s32b x)
{
object_type *q_ptr;
/* Paranoia -- check bounds */
if (!in_bounds(y, x)) return;
/* Require clean floor space */
if (!cave_clean_bold(y, x)) return;
/* Get local object */
q_ptr = new_object();
/* Make some gold */
if (!make_gold(q_ptr)) return;
if (!floor_carry(y, x, q_ptr))
delete_object(q_ptr);
}
/*
* Let an object fall to the ground at or near a location.
*
* The initial location is assumed to be "in_bounds()".
*
* This function takes a parameter "chance". This is the percentage
* chance that the item will "disappear" instead of drop. If the object
* has been thrown, then this is the chance of disappearance on contact.
*
* Hack -- this function uses "chance" to determine if it should produce
* some form of "description" of the drop event (under the player).
*
* We check several locations to see if we can find a location at which
* the object can combine, stack, or be placed. Artifacts will try very
* hard to be placed, including "teleporting" to a useful grid if needed.
*/
s16b drop_near(object_type *j_ptr, s32b chance, s32b y, s32b x)
{
s32b i, k, d, s;
s32b bs, bn;
s32b by, bx;
s32b dy, dx;
s32b ty, tx;
s16b o_idx = 0;
cave_type *c_ptr;
char o_name[80];
bool flag = FALSE;
bool plural = FALSE;
/* Extract plural */
if (j_ptr->number != 1) plural = TRUE;
/* Describe object */
object_desc(o_name, j_ptr, FALSE, 0);
/* Handle normal "breakage" */
if (!(j_ptr->art_name || artifact_p(j_ptr)) && (rand_int(100) < chance))
{
/* Message */
msg_format("The %s disappear%s.",
o_name, (plural ? "" : "s"));
/* Debug */
if (wizard) msg_print("(breakage)");
delete_object(j_ptr);
/* Failure */
return (0);
}
/* Score */
bs = -1;
/* Picker */
bn = 0;
/* Default */
by = y;
bx = x;
/* Scan local grids */
for (dy = -3; dy <= 3; dy++)
{
/* Scan local grids */
for (dx = -3; dx <= 3; dx++)
{
bool comb = FALSE;
/* Calculate actual distance */
d = (dy * dy) + (dx * dx);
/* Ignore distant grids */
if (d > 10) continue;
/* Location */
ty = y + dy;
tx = x + dx;
/* Skip illegal grids */
if (!in_bounds(ty, tx)) continue;
/* Require line of sight */
if (!los(y, x, ty, tx)) continue;
/* Obtain grid */
c_ptr = &cave[ty][tx];
/* Require floor space (or shallow terrain) -KMW- */
if (!has_flag(&f_info[c_ptr->feat], FLAG_FLOOR)) continue;
/* No traps */
if (flag_used(&c_ptr->activations)) continue;
/* No objects */
k = 0;
/* Scan objects in that grid */
for_inventory_slot(&c_ptr->inventory, o_ptr);
{
/* Check for possible combination */
if (object_similar(o_ptr, j_ptr)) comb = TRUE;
/* Count objects */
k++;
}
end_inventory_slot();
/* Add new object */
if (!comb) k++;
/* Paranoia */
if (k >= inventory_limit_inven(&c_ptr->inventory)) continue;
/* Calculate score */
s = 1000 - (d + k * 5);
/* Skip bad values */
if (s < bs) continue;
/* New best value */
if (s > bs) bn = 0;
/* Apply the randomizer to equivalent values */
if ((++bn >= 2) && (rand_int(bn) != 0)) continue;
/* Keep score */
bs = s;
/* Track it */
by = ty;
bx = tx;
/* Okay */
flag = TRUE;
}
}
/* Handle lack of space */
if (!flag && !(artifact_p(j_ptr) || j_ptr->art_name))
{
/* Message */
msg_format("The %s disappear%s.",
o_name, (plural ? "" : "s"));
/* Debug */
if (wizard) msg_print("(no floor space)");
delete_object(j_ptr);
/* Failure */
return (0);
}
/* Find a grid */
for (i = 0; !flag; i++)
{
/* Bounce around */
if (i < 1000)
{
ty = rand_spread(by, 1);
tx = rand_spread(bx, 1);
}
/* Random locations */
else
{
ty = rand_int(cur_hgt);
tx = rand_int(cur_wid);
}
/* Grid */
c_ptr = &cave[ty][tx];
/* Require floor space */
if (!has_flag(&f_info[c_ptr->feat], FLAG_FLOOR) || has_flag(&f_info[c_ptr->feat], FLAG_NO_WALK)) continue;
/* Bounce to that location */
by = ty;
bx = tx;
/* Require floor space */
if (!cave_clean_bold(by, bx)) continue;
/* Okay */
flag = TRUE;
}
j_ptr->iy = by;
j_ptr->ix = bx;
j_ptr->held_m_idx = 0;
/* Grid */
c_ptr = &cave[by][bx];
/* Carry */
o_idx = inven_carry_inven(&c_ptr->inventory, j_ptr, FALSE);
/*
* j_ptr might have been merged into an existing object and then
* deleted, so re-get the object.
*/
j_ptr = get_object(item_slot_to_item(o_idx));
/* Note the spot */
note_spot(by, bx);
/* Draw the spot */
lite_spot(by, bx);
/* Mega-Hack -- no message if "dropped" by player */
/* Message when an object falls under the player */
if (chance && (by == p_ptr->py) && (bx == p_ptr->px))
{
msg_print("You feel something roll beneath your feet.");
/* Sound */
sound(SOUND_DROP);
}
process_hooks(HOOK_DROPPED_NEAR, "(O,b,d,d,d,d)", j_ptr, chance,
y, x, by, bx);
/* XXX XXX XXX */
/* Result */
return (o_idx);
}