/**
* Describe things that look like lights.
*/
static bool describe_light(textblock *tb, const struct object *obj,
oinfo_detail_t mode)
{
int rad = 0;
bool uses_fuel = false;
int refuel_turns = 0;
bool terse = mode & OINFO_TERSE ? true : false;
if (!obj_known_light(obj, mode, &rad, &uses_fuel, &refuel_turns))
return false;
textblock_append(tb, "Radius ");
textblock_append_c(tb, COLOUR_L_GREEN, format("%d", rad));
textblock_append(tb, " light.");
if (tval_is_light(obj)) {
if (!obj->artifact && !uses_fuel)
textblock_append(tb, " No fuel required.");
if (!terse) {
if (refuel_turns)
textblock_append(tb, " Refills other lanterns up to %d turns of fuel.", refuel_turns);
else
textblock_append(tb, " Cannot be refueled.");
}
}
textblock_append(tb, "\n");
return true;
}
/**
* Describe blows.
*/
static bool describe_blows(textblock *tb, const struct object *obj)
{
int i;
struct blow_info blow_info[STAT_RANGE * 2]; /* (Very) theoretical max */
int num_entries = 0;
num_entries = obj_known_blows(obj, STAT_RANGE * 2, blow_info);
if (num_entries == 0) return false;
/* First entry is always current blows (+0, +0) */
textblock_append_c(tb, COLOUR_L_GREEN, "%d.%d ",
blow_info[0].centiblows / 100,
(blow_info[0].centiblows / 10) % 10);
textblock_append(tb, "blow%s/round.\n",
(blow_info[0].centiblows > 100) ? "s" : "");
/* Then list combinations that give more blows / speed boost */
for (i = 1; i < num_entries; i++) {
struct blow_info entry = blow_info[i];
if (entry.centiblows % 10 == 0) {
textblock_append(tb,
"With +%d STR and +%d DEX you would get %d.%d blows\n",
entry.str_plus, entry.dex_plus,
(entry.centiblows / 100),
(entry.centiblows / 10) % 10);
} else {
textblock_append(tb,
"With +%d STR and +%d DEX you would attack a bit faster\n",
entry.str_plus, entry.dex_plus);
}
}
return true;
}
static bool describe_food(textblock *tb, const object_type *o_ptr,
bool subjective, bool full)
{
/* Describe boring bits */
if ((o_ptr->tval == TV_FOOD || o_ptr->tval == TV_POTION) &&
o_ptr->pval[DEFAULT_PVAL])
{
/* Sometimes adjust for player speed */
int multiplier = extract_energy[p_ptr->state.speed];
if (!subjective) multiplier = 10;
if (object_is_known(o_ptr) || full) {
textblock_append(tb, "Nourishes for around ");
textblock_append_c(tb, TERM_L_GREEN, "%d", (o_ptr->pval[DEFAULT_PVAL] / 2) *
multiplier / 10);
textblock_append(tb, " turns.\n");
} else {
textblock_append(tb, "Provides some nourishment.\n");
}
return TRUE;
}
return FALSE;
}
/*
* Describe other bonuses.
*/
static bool describe_bonus(textblock *tb, const object_type *o_ptr,
oinfo_detail_t mode)
{
int j, count = 0;
bool full = mode & OINFO_FULL;
bool dummy = mode & OINFO_DUMMY;
bool terse = mode & OINFO_TERSE;
if (((o_ptr->ident) & IDENT_WORN) || dummy || full) {
for (j = 0; j < MAX_P_BONUS; j++) {
if (o_ptr->bonus_other[j] != 0)
count++;
}
}
if (count > 0) {
byte attr = (o_ptr->bonus_other[0] > 0 ? TERM_L_GREEN : TERM_ORANGE);
if (!terse) {
textblock_append(tb, "It gives ");
if (dummy) textblock_append(tb, "up to ");
}
/* Bonuses */
for (j = 0; j < MAX_P_BONUS; j++) {
if (o_ptr->bonus_other[j] == 0)
continue;
attr = (o_ptr->bonus_other[j] > 0 ? TERM_L_GREEN : TERM_ORANGE);
textblock_append_c(tb, attr, "%d ", o_ptr->bonus_other[j]);
if (!terse) textblock_append(tb, "to your ");
textblock_append_c(tb, attr, othername[j]);
if (count >= (terse ? 2 : 3))
textblock_append(tb, ", ");
if ((count == 2) && !terse)
textblock_append(tb, " and ");
if (count == 1)
textblock_append(tb, ". ");
count--;
}
textblock_append(tb, "\n");
return TRUE;
}
return FALSE;
}
/**
* Describe combat advantages.
*/
static bool describe_combat(textblock *tb, const struct object *obj)
{
struct object *bow = equipped_item_by_slot_name(player, "shooting");
bool weapon = tval_is_melee_weapon(obj);
bool ammo = (player->state.ammo_tval == obj->tval) && (bow);
int range, break_chance;
bool impactful, thrown_effect, too_heavy;
obj_known_misc_combat(obj, &thrown_effect, &range, &impactful,
&break_chance, &too_heavy);
if (!weapon && !ammo) {
if (thrown_effect) {
textblock_append(tb, "It can be thrown at creatures with damaging effect.\n");
return true;
} else
return false;
}
textblock_append_c(tb, COLOUR_L_WHITE, "Combat info:\n");
if (too_heavy)
textblock_append_c(tb, COLOUR_L_RED, "You are too weak to use this weapon.\n");
describe_blows(tb, obj);
if (!weapon) { /* Ammo */
textblock_append(tb, "Hits targets up to ");
textblock_append_c(tb, COLOUR_L_GREEN, format("%d", range));
textblock_append(tb, " feet away.\n");
}
describe_damage(tb, obj);
if (impactful)
textblock_append(tb, "Sometimes creates earthquakes on impact.\n");
if (ammo) {
textblock_append_c(tb, COLOUR_L_GREEN, "%d%%", break_chance);
textblock_append(tb, " chance of breaking upon contact.\n");
}
/* Something has been said */
return true;
}
/**
* Describe objects that can be used for digging.
*/
static bool describe_digger(textblock *tb, const struct object *obj)
{
int i;
int deciturns[DIGGING_MAX];
struct object *obj1 = (struct object *) obj;
static const char *names[4] = { "rubble", "magma veins", "quartz veins",
"granite" };
/* Get useful info or print nothing */
if (!obj_known_digging(obj1, deciturns)) return false;
for (i = DIGGING_RUBBLE; i < DIGGING_DOORS; i++) {
if (i == 0 && deciturns[0] > 0) {
if (tval_is_melee_weapon(obj))
textblock_append(tb, "Clears ");
else
textblock_append(tb, "With this item, your current weapon clears ");
}
if (i == 3 || (i != 0 && deciturns[i] == 0))
textblock_append(tb, "and ");
if (deciturns[i] == 0) {
textblock_append_c(tb, COLOUR_L_RED, "doesn't affect ");
textblock_append(tb, "%s.\n", names[i]);
break;
}
textblock_append(tb, "%s in ", names[i]);
if (deciturns[i] == 10) {
textblock_append_c(tb, COLOUR_L_GREEN, "1 ");
} else if (deciturns[i] < 100) {
textblock_append_c(tb, COLOUR_GREEN, "%d.%d ", deciturns[i]/10,
deciturns[i]%10);
} else {
textblock_append_c(tb, (deciturns[i] < 1000) ? COLOUR_YELLOW :
COLOUR_RED, "%d ", (deciturns[i]+5)/10);
}
textblock_append(tb, "turn%s%s", deciturns[i] == 10 ? "" : "s",
(i == 3) ? ".\n" : ", ");
}
return true;
}
/*
* Describe stat modifications.
*/
static bool describe_stats(textblock *tb, const object_type *o_ptr,
bitflag flags[MAX_PVALS][OF_SIZE], oinfo_detail_t mode)
{
const char *descs[N_ELEMENTS(pval_flags)];
size_t count, i;
bool full = mode & OINFO_FULL;
bool dummy = mode & OINFO_DUMMY;
bool search = FALSE;
if (!o_ptr->num_pvals && !dummy)
return FALSE;
for (i = 0; i < o_ptr->num_pvals; i++) {
count = info_collect(tb, pval_flags, N_ELEMENTS(pval_flags), flags[i], descs);
if (count)
{
if ((object_this_pval_is_visible(o_ptr, i) || full) && !dummy)
textblock_append_c(tb, (o_ptr->pval[i] > 0) ? TERM_L_GREEN : TERM_RED,
"%+i ", o_ptr->pval[i]);
else
textblock_append(tb, "Affects your ");
info_out_list(tb, descs, count);
}
if (of_has(flags[i], OF_SEARCH))
search = TRUE;
}
if (search)
{
if ((object_this_pval_is_visible(o_ptr, which_pval(o_ptr, OF_SEARCH)) || full) && !dummy)
{
textblock_append_c(tb, (o_ptr->pval[which_pval(o_ptr, OF_SEARCH)] > 0) ? TERM_L_GREEN : TERM_RED,
"%+i%% ", o_ptr->pval[which_pval(o_ptr, OF_SEARCH)] * 5);
textblock_append(tb, "to searching.\n");
}
else if (count)
textblock_append(tb, "Also affects your searching skill.\n");
else
textblock_append(tb, "Affects your searching skill.\n");
}
return TRUE;
}
/*
* Describe things that look like lights.
*/
static bool describe_light(textblock * tb, const object_type * o_ptr,
bool terse)
{
int rad = 0;
bool artifact = artifact_p(o_ptr);
bool is_light = (o_ptr->tval == TV_LIGHT) ? TRUE : FALSE;
if (o_ptr->tval != TV_LIGHT && !of_has(o_ptr->flags_obj, OF_LIGHT))
return FALSE;
/* Work out radius */
if (artifact && is_light)
rad = 3;
else if (is_light)
rad = 2;
if (of_has(o_ptr->flags_obj, OF_LIGHT))
rad++;
/* Describe here */
if (!terse)
textblock_append(tb, "It provides radius ");
else
textblock_append(tb, "Radius ");
textblock_append_c(tb, TERM_L_GREEN, format("%d", rad));
if (artifact)
textblock_append(tb, " light forever.");
else
textblock_append(tb, " light.");
if (!terse && is_light && !artifact) {
const char *name =
(o_ptr->sval == SV_LIGHT_TORCH) ? "torches" : "lanterns";
int turns =
(o_ptr->sval == SV_LIGHT_TORCH) ? FUEL_TORCH : FUEL_LAMP;
textblock_append(tb, " Refills other %s up to %d turns of fuel. ",
name, turns);
}
textblock_append(tb, "\n");
return TRUE;
}
/**
* Describe stat modifications.
*/
static bool describe_stats(textblock *tb, const struct object *obj,
oinfo_detail_t mode)
{
size_t count = 0, i;
bool detail = false;
/* Don't give exact plusses for faked ego items as each real one will
* be different */
bool suppress_details = mode & (OINFO_EGO | OINFO_FAKE) ? true : false;
/* Fact of but not size of mods is known for egos and flavoured items
* the player is aware of */
bool known_effect = false;
if (obj->known->ego)
known_effect = true;
if (tval_can_have_flavor_k(obj->kind) && object_flavor_is_aware(obj))
known_effect = true;
/* See what we've got */
for (i = 0; i < OBJ_MOD_MAX; i++)
if (obj->known->modifiers[i]) {
count++;
detail = true;
}
if (!count)
return false;
for (i = 0; i < OBJ_MOD_MAX; i++) {
const char *desc = lookup_obj_property(OBJ_PROPERTY_MOD, i)->name;
int val = obj->known->modifiers[i];
if (!val) continue;
/* Actual object */
if (detail && !suppress_details) {
int attr = (val > 0) ? COLOUR_L_GREEN : COLOUR_RED;
textblock_append_c(tb, attr, "%+i %s.\n", val, desc);
} else if (known_effect)
/* Ego type or jewellery description */
textblock_append(tb, "Affects your %s\n", desc);
}
return true;
}
/**
* Describe stat modifications.
*/
static bool describe_stats(textblock *tb, const struct object *obj,
oinfo_detail_t mode)
{
size_t count = 0, i;
bool detail = false;
/* Don't give exact plusses for faked ego items as each real one will
* be different */
bool suppress_details = mode & OINFO_EGO ? true : false;
/* Fact of but not size of mods is known for egos and flavoured items
* the player is aware of */
bool known_effect = false;
if (object_ego_is_visible(obj))
known_effect = true;
if (tval_can_have_flavor_k(obj->kind) && object_flavor_is_aware(obj))
known_effect = true;
/* See what we've got */
for (i = 0; i < N_ELEMENTS(mod_flags); i++)
if (obj->modifiers[mod_flags[i].flag] != 0 && mod_flags[i].name[0]) {
count++;
/* Either all mods are visible, or none are */
if (object_this_mod_is_visible(obj, mod_flags[i].flag))
detail = true;
}
if (!count)
return false;
for (i = 0; i < N_ELEMENTS(mod_flags); i++) {
const char *desc = mod_flags[i].name;
int val = obj->modifiers[mod_flags[i].flag];
if (!val) continue;
if (!mod_flags[i].name[0]) continue;
if (detail && !suppress_details) {
int attr = (val > 0) ? COLOUR_L_GREEN : COLOUR_RED;
textblock_append_c(tb, attr, "%+i %s.\n", val, desc);
} else if (known_effect)
textblock_append(tb, "Affects your %s\n", desc);
}
return true;
}
/*
* Describe things that look like lights.
*/
static bool describe_light(textblock *tb, const object_type *o_ptr,
const bitflag flags[OF_SIZE], bool terse)
{
int rad = 0;
bool artifact = o_ptr->artifact;
bool no_fuel = of_has(flags, OF_NO_FUEL) ? TRUE : FALSE;
bool is_light = (o_ptr->tval == TV_LIGHT) ? TRUE : FALSE;
if (o_ptr->tval != TV_LIGHT && !of_has(flags, OF_LIGHT))
return FALSE;
/* Work out radius */
if (artifact && is_light)
rad = 3;
else if (is_light)
rad = 2;
if (of_has(flags, OF_LIGHT))
rad++;
/* Describe here */
textblock_append(tb, "Radius ");
textblock_append_c(tb, TERM_L_GREEN, format("%d", rad));
if (no_fuel && !artifact)
textblock_append(tb, " light. No fuel required.");
else if (is_light && o_ptr->sval == SV_LIGHT_TORCH)
textblock_append(tb, " light, reduced when running out of fuel.");
else
textblock_append(tb, " light.");
if (!terse && is_light && !no_fuel)
{
const char *name = (o_ptr->sval == SV_LIGHT_TORCH) ? "torches" : "lanterns";
int turns = (o_ptr->sval == SV_LIGHT_TORCH) ? FUEL_TORCH : FUEL_LAMP;
textblock_append(tb, " Refills other %s up to %d turns of fuel.", name, turns);
}
textblock_append(tb, "\n");
return TRUE;
}
/**
* Allow the standard list formatted to be bypassed for special cases.
*
* Returning TRUE will bypass any other formatteding in
* monster_list_format_textblock().
*
* \param list is the monster list to format.
* \param tb is the textblock to produce or NULL if only the dimensions need to
* be calculated.
* \param max_lines is the maximum number of lines that can be displayed.
* \param max_width is the maximum line width that can be displayed.
* \param max_height_result is returned with the number of lines needed to
* format the list without truncation.
* \param max_width_result is returned with the width needed to format the list
* without truncation.
* \return TRUE if further formatting should be bypassed.
*/
static bool monster_list_format_special(const monster_list_t *list, textblock *tb, int max_lines, int max_width, size_t *max_height_result, size_t *max_width_result)
{
if (player->timed[TMD_IMAGE] > 0) {
/* Hack - message needs newline to calculate width properly. */
const char *message = "Your hallucinations are too wild to see things clearly.\n";
if (max_height_result != NULL)
*max_height_result = 1;
if (max_width_result != NULL)
*max_width_result = strlen(message);
if (tb != NULL)
textblock_append_c(tb, COLOUR_ORANGE, "%s", message);
return TRUE;
}
return FALSE;
}
/**
* Describe an item's curses.
*/
static bool describe_curses(textblock *tb, const struct object *obj,
const bitflag flags[OF_SIZE])
{
int i;
struct curse_data *c = obj->known->curses;
if (!c)
return false;
for (i = 1; i < z_info->curse_max; i++) {
if (c[i].power) {
textblock_append(tb, "It ");
textblock_append_c(tb, COLOUR_L_RED, curses[i].desc);
if (c[i].power == 100) {
textblock_append(tb, "; this curse cannot be removed");
}
textblock_append(tb, ".\n");
}
}
return true;
}
/*
* Describe brands.
*/
static bool describe_brands(textblock * tb, const object_type * o_ptr,
oinfo_detail_t mode)
{
int j, brand = 0;
bool full = mode & OINFO_FULL;
bool terse = mode & OINFO_TERSE;
byte attr = TERM_L_UMBER;
for (j = 0; j < MAX_P_BRAND; j++)
if (if_has(o_ptr->id_other, OBJECT_ID_BASE_BRAND + j) ||
(full && (o_ptr->multiple_brand[j] > MULTIPLE_BASE)))
brand++;
if (brand > 0) {
if (terse)
textblock_append(tb, "Branded with ");
else
textblock_append(tb, "It does extra damage from ");
/* Brands */
for (j = 0; j < MAX_P_BRAND; j++) {
if (!if_has(o_ptr->id_other, OBJECT_ID_BASE_BRAND + j) &&
!(full && (o_ptr->multiple_brand[j] > MULTIPLE_BASE)))
continue;
textblock_append_c(tb, attr, brandee[j]);
if (brand >= 3)
textblock_append(tb, ", ");
if (brand == 2)
textblock_append(tb, " and ");
if (brand == 1)
textblock_append(tb, ". ");
brand--;
}
textblock_append(tb, "\n");
return TRUE;
}
return FALSE;
}
/**
* Describe stat modifications.
*/
static bool describe_stats(textblock *tb, const struct object *obj,
oinfo_detail_t mode)
{
size_t count = 0, i;
bool detail = FALSE;
/* Don't give exact pluses for faked ego items as each real one
will be different */
bool suppress_details = mode & OINFO_EGO ? TRUE : FALSE;
/* See what we've got */
for (i = 0; i < N_ELEMENTS(mod_flags); i++)
if (obj->modifiers[mod_flags[i].flag] != 0 && mod_flags[i].name[0]) {
count++;
/* Either all mods are visible, or none are */
if (object_this_mod_is_visible(obj, i))
detail = TRUE;
}
if (!count)
return FALSE;
for (i = 0; i < N_ELEMENTS(mod_flags); i++) {
const char *desc = mod_flags[i].name;
int val = obj->modifiers[mod_flags[i].flag];
if (!val) continue;
if (!mod_flags[i].name[0]) continue;
if (detail && !suppress_details) {
int attr = (val > 0) ? COLOUR_L_GREEN : COLOUR_RED;
textblock_append_c(tb, attr, "%+i %s.\n", val, desc);
}
else
textblock_append(tb, "Affects your %s\n", desc);
}
return TRUE;
}
/**
* Describes a food item
*/
static bool describe_food(textblock *tb, const struct object *obj,
bool subjective)
{
int nourishment = obj_known_food(obj);
if (nourishment) {
/* Sometimes adjust for player speed */
int multiplier = turn_energy(player->state.speed);
if (!subjective) multiplier = 10;
if (nourishment == OBJ_KNOWN_PRESENT) {
textblock_append(tb, "Provides some nourishment.\n");
} else {
textblock_append(tb, "Nourishes for around ");
textblock_append_c(tb, COLOUR_L_GREEN, "%d", nourishment *
multiplier / 10);
textblock_append(tb, " turns.\n");
}
return TRUE;
}
return FALSE;
}
/*
* Describe stat modifications.
*/
static bool describe_stats(textblock * tb, const object_type * o_ptr,
oinfo_detail_t mode)
{
int j, min = 0, max = 0, count = 0;
bool full = mode & OINFO_FULL;
bool dummy = mode & OINFO_DUMMY;
bool terse = mode & OINFO_TERSE;
if (((o_ptr->ident) & IDENT_WORN) || dummy || full) {
for (j = 0; j < A_MAX; j++) {
if (o_ptr->bonus_stat[j] != 0)
count++;
if (o_ptr->bonus_stat[j] < min)
min = o_ptr->bonus_stat[j];
if (o_ptr->bonus_stat[j] > max)
max = o_ptr->bonus_stat[j];
}
}
if (count > 0) {
byte attr =
(o_ptr->bonus_stat[A_STR] > 0 ? TERM_L_GREEN : TERM_ORANGE);
if (!terse) {
textblock_append(tb, "It gives ");
if (dummy)
textblock_append(tb, "up to ");
}
/* Special case: all stats */
if (min == max)
textblock_append_c(tb, attr, "%d to all your stats. ", min);
/* Some stats */
else {
for (j = 0; j < A_MAX; j++) {
if (o_ptr->bonus_stat[j] == 0)
continue;
attr =
(o_ptr->bonus_stat[j] >
0 ? TERM_L_GREEN : TERM_ORANGE);
textblock_append_c(tb, attr, "%d ", o_ptr->bonus_stat[j]);
if (!terse)
textblock_append(tb, "to your ");
textblock_append_c(tb, attr, statname[j]);
if (count >= (terse ? 2 : 3))
textblock_append(tb, ", ");
if ((count == 2) && !terse)
textblock_append(tb, " and ");
if (count == 1)
textblock_append(tb, ". ");
count--;
}
}
textblock_append(tb, "\n");
return TRUE;
}
return FALSE;
}
/*
* Describe objects that can be used for digging.
*/
static bool describe_digger(textblock *tb, const object_type *o_ptr,
oinfo_detail_t mode)
{
bool full = mode & OINFO_FULL;
player_state st;
object_type inven[INVEN_TOTAL];
int sl = wield_slot(o_ptr);
int i;
bitflag f[OF_SIZE];
int chances[4]; /* These are out of 1600 */
static const char *names[4] = { "rubble", "magma veins", "quartz veins", "granite" };
/* abort if we are a dummy object */
if (mode & OINFO_DUMMY) return FALSE;
if (full)
object_flags(o_ptr, f);
else
object_flags_known(o_ptr, f);
if (sl < 0 || (sl != INVEN_WIELD && !of_has(f, OF_TUNNEL)))
return FALSE;
memcpy(inven, p_ptr->inventory, INVEN_TOTAL * sizeof(object_type));
/*
* Hack -- if we examine a ring that is worn on the right finger,
* we shouldn't put a copy of it on the left finger before calculating
* digging skills.
*/
if (o_ptr != &p_ptr->inventory[INVEN_RIGHT])
inven[sl] = *o_ptr;
calc_bonuses(inven, &st, TRUE);
chances[0] = st.skills[SKILL_DIGGING] * 8;
chances[1] = (st.skills[SKILL_DIGGING] - 10) * 4;
chances[2] = (st.skills[SKILL_DIGGING] - 20) * 2;
chances[3] = (st.skills[SKILL_DIGGING] - 40) * 1;
for (i = 0; i < 4; i++)
{
int chance = MAX(0, MIN(1600, chances[i]));
int decis = chance ? (16000 / chance) : 0;
if (i == 0 && chance > 0) {
if (sl == INVEN_WIELD)
textblock_append(tb, "Clears ");
else
textblock_append(tb, "With this item, your current weapon clears ");
}
if (i == 3 || (i != 0 && chance == 0))
textblock_append(tb, "and ");
if (chance == 0) {
textblock_append_c(tb, TERM_L_RED, "doesn't affect ");
textblock_append(tb, "%s.\n", names[i]);
break;
}
textblock_append(tb, "%s in ", names[i]);
if (chance == 1600) {
textblock_append_c(tb, TERM_L_GREEN, "1 ");
} else if (decis < 100) {
textblock_append_c(tb, TERM_GREEN, "%d.%d ", decis/10, decis%10);
} else {
textblock_append_c(tb, (decis < 1000) ? TERM_YELLOW : TERM_RED,
"%d ", (decis+5)/10);
}
textblock_append(tb, "turn%s%s", decis == 10 ? "" : "s",
(i == 3) ? ".\n" : ", ");
}
return TRUE;
}
/*
* Describe combat advantages.
*/
static bool describe_combat(textblock *tb, const object_type *o_ptr,
oinfo_detail_t mode)
{
bool full = mode & OINFO_FULL;
const char *desc[SL_MAX] = { 0 };
int i;
int mult[SL_MAX];
int cnt, dam, total_dam, plus = 0;
int xtra_postcrit = 0, xtra_precrit = 0;
int crit_mult, crit_div, crit_add;
int str_plus, dex_plus, old_blows = 0, new_blows, extra_blows;
int str_faster = -1, str_done = -1;
object_type *bow = &p_ptr->inventory[INVEN_BOW];
bitflag f[OF_SIZE], tmp_f[OF_SIZE], mask[OF_SIZE];
bool weapon = (wield_slot(o_ptr) == INVEN_WIELD);
bool ammo = (p_ptr->state.ammo_tval == o_ptr->tval) &&
(bow->kind);
int multiplier = 1;
/* Create the "all slays" mask */
create_mask(mask, FALSE, OFT_SLAY, OFT_KILL, OFT_BRAND, OFT_MAX);
/* Abort if we've nothing to say */
if (mode & OINFO_DUMMY) return FALSE;
if (!weapon && !ammo)
{
/* Potions can have special text */
if (o_ptr->tval != TV_POTION ||
o_ptr->dd == 0 || o_ptr->ds == 0 ||
!object_flavor_is_aware(o_ptr))
return FALSE;
textblock_append(tb, "It can be thrown at creatures with damaging effect.\n");
return TRUE;
}
if (full) {
object_flags(o_ptr, f);
} else {
object_flags_known(o_ptr, f);
}
textblock_append_c(tb, TERM_L_WHITE, "Combat info:\n");
if (weapon)
{
/*
* Get the player's hypothetical state, were they to be
* wielding this item.
*/
player_state state;
int dex_plus_bound;
int str_plus_bound;
object_type inven[INVEN_TOTAL];
memcpy(inven, p_ptr->inventory, INVEN_TOTAL * sizeof(object_type));
inven[INVEN_WIELD] = *o_ptr;
if (full) object_know_all_flags(&inven[INVEN_WIELD]);
calc_bonuses(inven, &state, TRUE);
dex_plus_bound = STAT_RANGE - state.stat_ind[A_DEX];
str_plus_bound = STAT_RANGE - state.stat_ind[A_STR];
dam = ((o_ptr->ds + 1) * o_ptr->dd * 5);
xtra_postcrit = state.dis_to_d * 10;
if (object_attack_plusses_are_visible(o_ptr))
{
xtra_precrit += o_ptr->to_d * 10;
plus += o_ptr->to_h;
}
calculate_melee_crits(&state, o_ptr->weight, plus,
&crit_mult, &crit_add, &crit_div);
/* Warn about heavy weapons */
if (adj_str_hold[state.stat_ind[A_STR]] < o_ptr->weight / 10)
textblock_append_c(tb, TERM_L_RED, "You are too weak to use this weapon.\n");
textblock_append_c(tb, TERM_L_GREEN, "%d.%d ",
state.num_blows / 100, (state.num_blows / 10) % 10);
textblock_append(tb, "blow%s/round.\n",
(state.num_blows > 100) ? "s" : "");
/* Check to see if extra STR or DEX would yield extra blows */
old_blows = state.num_blows;
extra_blows = 0;
/* First we need to look for extra blows on other items, as
* state does not track these */
for (i = INVEN_BOW; i < INVEN_TOTAL; i++)
{
if (!p_ptr->inventory[i].kind)
continue;
object_flags_known(&p_ptr->inventory[i], tmp_f);
if (of_has(tmp_f, OF_BLOWS))
extra_blows += p_ptr->inventory[i].pval[which_pval(&p_ptr->inventory[i], OF_BLOWS)];
}
/* Then we add blows from the weapon being examined */
if (of_has(f, OF_BLOWS))
extra_blows += o_ptr->pval[which_pval(o_ptr, OF_BLOWS)];
/* Then we check for extra "real" blows */
for (dex_plus = 0; dex_plus < dex_plus_bound; dex_plus++)
{
for (str_plus = 0; str_plus < str_plus_bound; str_plus++)
{
state.stat_ind[A_STR] += str_plus;
state.stat_ind[A_DEX] += dex_plus;
new_blows = calc_blows(o_ptr, &state, extra_blows);
/* Test to make sure that this extra blow is a
* new str/dex combination, not a repeat
*/
if ((new_blows - new_blows % 10) > (old_blows - old_blows % 10) &&
(str_plus < str_done ||
str_done == -1))
{
textblock_append(tb, "With +%d STR and +%d DEX you would get %d.%d blows\n",
str_plus, dex_plus, (new_blows / 100),
(new_blows / 10) % 10);
state.stat_ind[A_STR] -= str_plus;
state.stat_ind[A_DEX] -= dex_plus;
str_done = str_plus;
break;
}
/* If the combination doesn't increment
* the displayed blows number, it might still
* take a little less energy
*/
if (new_blows > old_blows &&
(str_plus < str_faster ||
str_faster == -1) &&
(str_plus < str_done ||
str_done == -1))
{
textblock_append(tb, "With +%d STR and +%d DEX you would attack a bit faster\n",
str_plus, dex_plus);
state.stat_ind[A_STR] -= str_plus;
state.stat_ind[A_DEX] -= dex_plus;
str_faster = str_plus;
continue;
}
state.stat_ind[A_STR] -= str_plus;
state.stat_ind[A_DEX] -= dex_plus;
}
}
}
else
{
int tdis = 6 + 2 * p_ptr->state.ammo_mult;
if (object_attack_plusses_are_visible(o_ptr))
plus += o_ptr->to_h;
calculate_missile_crits(&p_ptr->state, o_ptr->weight, plus,
&crit_mult, &crit_add, &crit_div);
/* Calculate damage */
dam = ((o_ptr->ds + 1) * o_ptr->dd * 5);
if (object_attack_plusses_are_visible(o_ptr))
dam += (o_ptr->to_d * 10);
if (object_attack_plusses_are_visible(bow))
dam += (bow->to_d * 10);
/* Apply brands/slays from the shooter to the ammo, but only if known
* Note that this is not dependent on mode, so that viewing shop-held
* ammo (fully known) does not leak information about launcher */
object_flags_known(bow, tmp_f);
of_union(f, tmp_f);
textblock_append(tb, "Hits targets up to ");
textblock_append_c(tb, TERM_L_GREEN, format("%d", tdis * 10));
textblock_append(tb, " feet away.\n");
}
/* Collect slays */
/* Melee weapons get slays and brands from other items now */
if (weapon)
{
bool nonweap = FALSE;
for (i = INVEN_LEFT; i < INVEN_TOTAL; i++)
{
if (!p_ptr->inventory[i].kind)
continue;
object_flags_known(&p_ptr->inventory[i], tmp_f);
of_inter(tmp_f, mask); /* strip out non-slays */
if (of_union(f, tmp_f))
nonweap = TRUE;
}
if (nonweap)
textblock_append(tb, "This weapon may benefit from one or more off-weapon brands or slays.\n");
}
textblock_append(tb, "Average damage/round: ");
if (ammo) multiplier = p_ptr->state.ammo_mult;
cnt = list_slays(f, mask, desc, NULL, mult, TRUE);
for (i = 0; i < cnt; i++)
{
int melee_adj_mult = ammo ? 0 : 1; /* ammo mult adds fully, melee mult is times 1, so adds 1 less */
/* Include bonus damage and slay in stated average */
total_dam = dam * (multiplier + mult[i] - melee_adj_mult) + xtra_precrit;
total_dam = (total_dam * crit_mult + crit_add) / crit_div;
total_dam += xtra_postcrit;
if (weapon)
total_dam = (total_dam * old_blows) / 100;
else
total_dam *= p_ptr->state.num_shots;
if (total_dam <= 0)
textblock_append_c(tb, TERM_L_RED, "%d", 0);
else if (total_dam % 10)
textblock_append_c(tb, TERM_L_GREEN, "%d.%d",
total_dam / 10, total_dam % 10);
else
textblock_append_c(tb, TERM_L_GREEN, "%d", total_dam / 10);
textblock_append(tb, " vs. %s, ", desc[i]);
}
if (cnt) textblock_append(tb, "and ");
/* Include bonus damage in stated average */
total_dam = dam * multiplier + xtra_precrit;
total_dam = (total_dam * crit_mult + crit_add) / crit_div;
total_dam += xtra_postcrit;
if (weapon)
total_dam = (total_dam * old_blows) / 100;
else
total_dam *= p_ptr->state.num_shots;
if (total_dam <= 0)
textblock_append_c(tb, TERM_L_RED, "%d", 0);
else if (total_dam % 10)
textblock_append_c(tb, TERM_L_GREEN, "%d.%d",
total_dam / 10, total_dam % 10);
else
textblock_append_c(tb, TERM_L_GREEN, "%d", total_dam / 10);
if (cnt) textblock_append(tb, " vs. others");
textblock_append(tb, ".\n");
/* Note the impact flag */
if (of_has(f, OF_IMPACT))
textblock_append(tb, "Sometimes creates earthquakes on impact.\n");
/* Add breakage chance */
if (ammo)
{
int chance = breakage_chance(o_ptr, TRUE);
textblock_append_c(tb, TERM_L_GREEN, "%d%%", chance);
textblock_append(tb, " chance of breaking upon contact.\n");
}
/* You always have something to say... */
return TRUE;
}
/*
* Describe damage.
*/
static bool describe_damage(textblock *tb, const object_type *o_ptr,
player_state state, bitflag f[OF_SIZE], oinfo_detail_t mode)
{
const char *desc[SL_MAX] = { 0 };
size_t i, cnt;
int mult[SL_MAX];
int dice, sides, dam, total_dam, plus = 0;
int xtra_postcrit = 0, xtra_precrit = 0;
int crit_mult, crit_div, crit_add;
int old_blows = 0;
object_type *bow = &p_ptr->inventory[INVEN_BOW];
bitflag tmp_f[OF_SIZE], mask[OF_SIZE];
bool weapon = (wield_slot(o_ptr) == INVEN_WIELD);
bool ammo = (p_ptr->state.ammo_tval == o_ptr->tval) &&
(bow->kind);
int multiplier = 1;
bool full = mode & OINFO_FULL;
/* Create the "all slays" mask */
create_mask(mask, FALSE, OFT_SLAY, OFT_KILL, OFT_BRAND, OFT_MAX);
/* Use displayed dice if real dice not known */
if (full || object_attack_plusses_are_visible(o_ptr)) {
dice = o_ptr->dd;
sides = o_ptr->ds;
} else {
dice = o_ptr->kind->dd;
sides = o_ptr->kind->ds;
}
/* Calculate damage */
dam = ((sides + 1) * dice * 5);
if (weapon) {
xtra_postcrit = state.dis_to_d * 10;
if (object_attack_plusses_are_visible(o_ptr) || full) {
xtra_precrit += o_ptr->to_d * 10;
plus += o_ptr->to_h;
}
calculate_melee_crits(&state, o_ptr->weight, plus,
&crit_mult, &crit_add, &crit_div);
old_blows = state.num_blows;
} else { /* Ammo */
if (object_attack_plusses_are_visible(o_ptr) || full)
plus += o_ptr->to_h;
calculate_missile_crits(&p_ptr->state, o_ptr->weight, plus,
&crit_mult, &crit_add, &crit_div);
if (object_attack_plusses_are_visible(o_ptr) || full)
dam += (o_ptr->to_d * 10);
if (object_attack_plusses_are_visible(bow))
dam += (bow->to_d * 10);
/* Apply brands/slays from the shooter to the ammo, but only if known
* Note that this is not dependent on mode, so that viewing shop-held
* ammo (fully known) does not leak information about launcher */
object_flags_known(bow, tmp_f);
of_union(f, tmp_f);
}
/* Collect slays */
/* Melee weapons get slays and brands from other items now */
if (weapon) {
bool nonweap_slay = FALSE;
for (i = INVEN_LEFT; i < INVEN_TOTAL; i++) {
if (!p_ptr->inventory[i].kind)
continue;
object_flags_known(&p_ptr->inventory[i], tmp_f);
/* Strip out non-slays */
of_inter(tmp_f, mask);
if (of_union(f, tmp_f))
nonweap_slay = TRUE;
}
if (nonweap_slay)
textblock_append(tb, "This weapon may benefit from one or more off-weapon brands or slays.\n");
}
textblock_append(tb, "Average damage/round: ");
if (ammo) multiplier = p_ptr->state.ammo_mult;
/* Output damage for creatures effected by the brands or slays */
cnt = list_slays(f, mask, desc, NULL, mult, TRUE);
for (i = 0; i < cnt; i++) {
/* ammo mult adds fully, melee mult is times 1, so adds 1 less */
int melee_adj_mult = ammo ? 0 : 1;
/* Include bonus damage and slay in stated average */
total_dam = dam * (multiplier + mult[i] - melee_adj_mult) + xtra_precrit;
total_dam = (total_dam * crit_mult + crit_add) / crit_div;
total_dam += xtra_postcrit;
if (weapon)
total_dam = (total_dam * old_blows) / 100;
else
total_dam *= p_ptr->state.num_shots;
if (total_dam <= 0)
textblock_append_c(tb, TERM_L_RED, "%d", 0);
else if (total_dam % 10)
textblock_append_c(tb, TERM_L_GREEN, "%d.%d",
total_dam / 10, total_dam % 10);
else
textblock_append_c(tb, TERM_L_GREEN, "%d", total_dam / 10);
textblock_append(tb, " vs. %s, ", desc[i]);
}
if (cnt) textblock_append(tb, "and ");
/* Include bonus damage in stated average */
total_dam = dam * multiplier + xtra_precrit;
total_dam = (total_dam * crit_mult + crit_add) / crit_div;
total_dam += xtra_postcrit;
/* Normal damage, not considering brands or slays */
if (weapon)
total_dam = (total_dam * old_blows) / 100;
else
total_dam *= p_ptr->state.num_shots;
if (total_dam <= 0)
textblock_append_c(tb, TERM_L_RED, "%d", 0);
else if (total_dam % 10)
textblock_append_c(tb, TERM_L_GREEN, "%d.%d",
total_dam / 10, total_dam % 10);
else
textblock_append_c(tb, TERM_L_GREEN, "%d", total_dam / 10);
if (cnt) textblock_append(tb, " vs. others");
textblock_append(tb, ".\n");
return TRUE;
}
/*
* Describe combat advantages.
*/
static bool describe_combat(textblock *tb, const object_type *o_ptr,
oinfo_detail_t mode)
{
bool full = mode & OINFO_FULL;
object_type *bow = &p_ptr->inventory[INVEN_BOW];
bitflag f[OF_SIZE];
bool weapon = (wield_slot(o_ptr) == INVEN_WIELD);
bool ammo = (p_ptr->state.ammo_tval == o_ptr->tval) &&
(bow->kind);
/* The player's hypothetical state, were they to wield this item */
player_state state;
/* Abort if we've nothing to say */
if (mode & OINFO_DUMMY) return FALSE;
if (!weapon && !ammo) {
/* Potions can have special text */
if (o_ptr->tval != TV_POTION ||
o_ptr->dd == 0 || o_ptr->ds == 0 ||
!object_flavor_is_aware(o_ptr))
return FALSE;
textblock_append(tb, "It can be thrown at creatures with damaging effect.\n");
return TRUE;
}
if (full)
object_flags(o_ptr, f);
else
object_flags_known(o_ptr, f);
textblock_append_c(tb, TERM_L_WHITE, "Combat info:\n");
if (weapon) {
object_type inven[INVEN_TOTAL];
memcpy(inven, p_ptr->inventory, INVEN_TOTAL * sizeof(object_type));
inven[INVEN_WIELD] = *o_ptr;
if (full) object_know_all_flags(&inven[INVEN_WIELD]);
/* Calculate the player's hypothetical state */
calc_bonuses(inven, &state, TRUE);
/* Warn about heavy weapons */
if (adj_str_hold[state.stat_ind[A_STR]] < o_ptr->weight / 10)
textblock_append_c(tb, TERM_L_RED, "You are too weak to use this weapon.\n");
/* Describe blows */
describe_blows(tb, o_ptr, state, f);
} else { /* Ammo */
/* Range of the weapon */
int tdis = 6 + 2 * p_ptr->state.ammo_mult;
/* Output the range */
textblock_append(tb, "Hits targets up to ");
textblock_append_c(tb, TERM_L_GREEN, format("%d", tdis * 10));
textblock_append(tb, " feet away.\n");
}
/* Describe damage */
describe_damage(tb, o_ptr, state, f, mode);
/* Note the impact flag */
if (of_has(f, OF_IMPACT))
textblock_append(tb, "Sometimes creates earthquakes on impact.\n");
/* Add breakage chance */
if (ammo) {
int chance = breakage_chance(o_ptr, TRUE);
textblock_append_c(tb, TERM_L_GREEN, "%d%%", chance);
textblock_append(tb, " chance of breaking upon contact.\n");
}
/* Something has been said */
return TRUE;
}
/**
* Format a section of the monster list: a header followed by monster list
* entry rows.
*
* This function will process each entry for the given section. It will display:
* - monster char;
* - number of monsters;
* - monster name (truncated, if needed to fit the line);
* - whether or not the monster is asleep (and how many if in a group);
* - monster distance from the player (aligned to the right side of the list).
* By passing in a NULL textblock, the maximum line width of the section can be
* found.
*
* \param list is the monster list to format.
* \param tb is the textblock to produce or NULL if only the dimensions need to
* be calculated.
* \param section is the section of the monster list to format.
* \param lines_to_display are the number of entries to display (not including
* the header).
* \param max_width is the maximum line width.
* \param prefix is the beginning of the header; the remainder is appended with
* the number of monsters.
* \param show_others is used to append "other monsters" to the header,
* after the number of monsters.
* \param max_width_result is returned with the width needed to format the list
* without truncation.
*/
static void monster_list_format_section(const monster_list_t *list, textblock *tb, monster_list_section_t section, int lines_to_display, int max_width, const char *prefix, bool show_others, size_t *max_width_result)
{
int remaining_monster_total = 0;
int line_count = 0;
int index;
int total;
char line_buffer[200];
const char *punctuation = (lines_to_display == 0) ? "." : ":";
const char *others = (show_others) ? "other " : "";
size_t max_line_length = 0;
if (list == NULL || list->entries == NULL)
return;
total = list->distinct_entries;
if (list->total_monsters[section] == 0) {
max_line_length = strnfmt(line_buffer, sizeof(line_buffer),
"%s no monsters.\n", prefix);
if (tb != NULL)
textblock_append(tb, "%s", line_buffer);
/* Force a minimum width so that the prompt doesn't get cut off. */
if (max_width_result != NULL)
*max_width_result = MAX(max_line_length, 40);
return;
}
max_line_length = strnfmt(line_buffer, sizeof(line_buffer),
"%s %d %smonster%s%s\n",
prefix,
list->total_monsters[section],
others,
PLURAL(list->total_monsters[section]),
punctuation);
if (tb != NULL)
textblock_append(tb, "%s", line_buffer);
for (index = 0; index < total && line_count < lines_to_display; index++) {
char asleep[20] = { '\0' };
char location[20] = { '\0' };
byte line_attr;
size_t full_width;
size_t name_width;
line_buffer[0] = '\0';
if (list->entries[index].count[section] == 0)
continue;
/* Only display directions for the case of a single monster. */
if (list->entries[index].count[section] == 1) {
const char *direction1 = (list->entries[index].dy <= 0) ? "N" : "S";
const char *direction2 = (list->entries[index].dx <= 0) ? "W" : "E";
strnfmt(location, sizeof(location), " %d %s %d %s",
abs(list->entries[index].dy), direction1,
abs(list->entries[index].dx), direction2);
}
/* Get width available for monster name and sleep tag: 2 for char and
* space; location includes padding; last -1 for some reason? */
full_width = max_width - 2 - utf8_strlen(location) - 1;
if (list->entries[index].asleep[section] > 1)
strnfmt(asleep, sizeof(asleep), " (%d asleep)",
list->entries[index].asleep[section]);
else if (list->entries[index].asleep[section] == 1)
strnfmt(asleep, sizeof(asleep), " (asleep)");
/* Clip the monster name to fit, and append the sleep tag. */
name_width = MIN(full_width - utf8_strlen(asleep), sizeof(line_buffer));
get_mon_name(line_buffer, sizeof(line_buffer),
list->entries[index].race,
list->entries[index].count[section]);
utf8_clipto(line_buffer, name_width);
my_strcat(line_buffer, asleep, sizeof(line_buffer));
/* Calculate the width of the line for dynamic sizing; use a fixed max
* width for location and monster char. */
max_line_length = MAX(max_line_length,
utf8_strlen(line_buffer) + 12 + 2);
/* textblock_append_pict will safely add the monster symbol,
* regardless of ASCII/graphics mode. */
if (tb != NULL && tile_width == 1 && tile_height == 1) {
textblock_append_pict(tb, list->entries[index].attr, monster_x_char[list->entries[index].race->ridx]);
textblock_append(tb, " ");
}
/* Add the left-aligned and padded monster name which will align the
* location to the right. */
if (tb != NULL) {
/* Hack - Because monster race strings are UTF8, we have to add
* additional padding for any raw bytes that might be consolidated
* into one displayed character. */
full_width += strlen(line_buffer) - utf8_strlen(line_buffer);
line_attr = monster_list_entry_line_color(&list->entries[index]);
textblock_append_c(tb, line_attr, "%-*s%s\n",
full_width,
line_buffer, location);
}
line_count++;
}
/* Don't worry about the "...others" line, since it's probably shorter
* than what's already printed. */
if (max_width_result != NULL)
*max_width_result = max_line_length;
/* Bail since we don't have enough room to display the remaining count or
* since we've displayed them all. */
if (lines_to_display <= 0 ||
lines_to_display >= list->total_entries[section])
return;
/* Sum the remaining monsters; start where we left off in the above loop. */
while (index < total) {
remaining_monster_total += list->entries[index].count[section];
index++;
}
if (tb != NULL)
textblock_append(tb, "%6s...and %d others.\n", " ",
remaining_monster_total);
}
/*
* Describe blows.
*/
static bool describe_blows(textblock *tb, const object_type *o_ptr,
player_state state, bitflag f[OF_SIZE])
{
int str_plus, dex_plus, old_blows = 0, new_blows, extra_blows;
int str_faster = -1, str_done = -1;
int dex_plus_bound;
int str_plus_bound;
int i;
bitflag tmp_f[OF_SIZE];
dex_plus_bound = STAT_RANGE - state.stat_ind[A_DEX];
str_plus_bound = STAT_RANGE - state.stat_ind[A_STR];
/* Write to the text block */
textblock_append_c(tb, TERM_L_GREEN, "%d.%d ",
state.num_blows / 100, (state.num_blows / 10) % 10);
textblock_append(tb, "blow%s/round.\n",
(state.num_blows > 100) ? "s" : "");
/* Check to see if extra STR or DEX would yield extra blows */
old_blows = state.num_blows;
extra_blows = 0;
/* First we need to look for extra blows on other items, as
* state does not track these */
for (i = INVEN_BOW; i < INVEN_TOTAL; i++)
{
if (!p_ptr->inventory[i].kind)
continue;
object_flags_known(&p_ptr->inventory[i], tmp_f);
if (of_has(tmp_f, OF_BLOWS))
extra_blows += p_ptr->inventory[i].pval[which_pval(&p_ptr->inventory[i], OF_BLOWS)];
}
/* Then we add blows from the weapon being examined */
if (of_has(f, OF_BLOWS))
extra_blows += o_ptr->pval[which_pval(o_ptr, OF_BLOWS)];
/* Then we check for extra "real" blows */
for (dex_plus = 0; dex_plus < dex_plus_bound; dex_plus++)
{
for (str_plus = 0; str_plus < str_plus_bound; str_plus++)
{
state.stat_ind[A_STR] += str_plus;
state.stat_ind[A_DEX] += dex_plus;
new_blows = calc_blows(o_ptr, &state, extra_blows);
/* Test to make sure that this extra blow is a
* new str/dex combination, not a repeat
*/
if ((new_blows - new_blows % 10) > (old_blows - old_blows % 10) &&
(str_plus < str_done ||
str_done == -1))
{
textblock_append(tb, "With +%d STR and +%d DEX you would get %d.%d blows\n",
str_plus, dex_plus, (new_blows / 100),
(new_blows / 10) % 10);
state.stat_ind[A_STR] -= str_plus;
state.stat_ind[A_DEX] -= dex_plus;
str_done = str_plus;
break;
}
/* If the combination doesn't increment
* the displayed blows number, it might still
* take a little less energy
*/
if (new_blows > old_blows &&
(str_plus < str_faster ||
str_faster == -1) &&
(str_plus < str_done ||
str_done == -1))
{
textblock_append(tb, "With +%d STR and +%d DEX you would attack a bit faster\n",
str_plus, dex_plus);
state.stat_ind[A_STR] -= str_plus;
state.stat_ind[A_DEX] -= dex_plus;
str_faster = str_plus;
continue;
}
state.stat_ind[A_STR] -= str_plus;
state.stat_ind[A_DEX] -= dex_plus;
}
}
return TRUE;
}
/**
* Describe damage.
*/
static bool describe_damage(textblock *tb, const struct object *obj)
{
bool nonweap_slay = false;
int normal_damage;
struct brand *brand, *brands = NULL;
struct slay *slay, *slays = NULL;
bool has_brands_or_slays;
/* Collect brands and slays */
has_brands_or_slays = obj_known_damage(obj, &normal_damage, &brands, &slays,
&nonweap_slay);
/* Mention slays and brands from other items */
if (nonweap_slay)
textblock_append(tb, "This weapon may benefit from one or more off-weapon brands or slays.\n");
textblock_append(tb, "Average damage/round: ");
/* Output damage for creatures effected by the brands */
brand = brands;
while (brand) {
if (brand->damage <= 0)
textblock_append_c(tb, COLOUR_L_RED, "%d", 0);
else if (brand->damage % 10)
textblock_append_c(tb, COLOUR_L_GREEN, "%d.%d",
brand->damage / 10, brand->damage % 10);
else
textblock_append_c(tb, COLOUR_L_GREEN, "%d",brand->damage / 10);
textblock_append(tb, " vs. creatures not resistant to %s, ",
brand->name);
brand = brand->next;
}
/* Output damage for creatures effected by the slays */
slay = slays;
while (slay) {
if (slay->damage <= 0)
textblock_append_c(tb, COLOUR_L_RED, "%d", 0);
else if (slay->damage % 10)
textblock_append_c(tb, COLOUR_L_GREEN, "%d.%d",
slay->damage / 10, slay->damage % 10);
else
textblock_append_c(tb, COLOUR_L_GREEN, "%d", slay->damage / 10);
textblock_append(tb, " vs. %s, ", slay->name);
slay = slay->next;
}
if (has_brands_or_slays) textblock_append(tb, "and ");
if (normal_damage <= 0)
textblock_append_c(tb, COLOUR_L_RED, "%d", 0);
else if (normal_damage % 10)
textblock_append_c(tb, COLOUR_L_GREEN, "%d.%d",
normal_damage / 10, normal_damage % 10);
else
textblock_append_c(tb, COLOUR_L_GREEN, "%d", normal_damage / 10);
if (has_brands_or_slays) textblock_append(tb, " vs. others");
textblock_append(tb, ".\n");
free_brand(brands);
free_slay(slays);
return true;
}
/**
* Outputs the damage we do/would do with the weapon
*/
static bool describe_weapon_damage(textblock * tb,
const object_type * o_ptr,
oinfo_detail_t mode)
{
object_type *i_ptr;
int i, j;
bool full = mode & OINFO_FULL;
bool terse = mode & OINFO_TERSE;
bool first = TRUE;
int show_m_tohit;
int brand[MAX_P_BRAND], slay[MAX_P_SLAY];
player_state state;
object_type inven[INVEN_TOTAL];
/* Abort if we've nothing to say */
if (mode & OINFO_DUMMY)
return FALSE;
/* Extract the slays and brands */
for (j = 0; j < MAX_P_SLAY; j++)
slay[j] = (if_has(o_ptr->id_other, OBJECT_ID_BASE_SLAY + j)
|| full)
? o_ptr->multiple_slay[j] : MULTIPLE_BASE;
for (j = 0; j < MAX_P_BRAND; j++)
brand[j] = (if_has(o_ptr->id_other, OBJECT_ID_BASE_BRAND + j)
|| full)
? o_ptr->multiple_brand[j] : MULTIPLE_BASE;
/* Check rings for additional brands (slays) */
for (i = 0; i < 2; i++) {
i_ptr = &p_ptr->inventory[INVEN_LEFT + i];
/* If wearing a ring */
if (i_ptr->k_idx) {
/* Pick up any brands (and slays!) */
for (j = 0; j < MAX_P_SLAY; j++)
slay[j] =
MAX(slay[j],
((if_has(i_ptr->id_other, OBJECT_ID_BASE_SLAY + j)
|| full)
? i_ptr->multiple_slay[j] : MULTIPLE_BASE));
for (j = 0; j < MAX_P_BRAND; j++)
brand[j] =
MAX(brand[j],
((if_has(i_ptr->id_other, OBJECT_ID_BASE_BRAND + j)
|| full)
? i_ptr->multiple_brand[j] : MULTIPLE_BASE));
}
}
/* temporary elemental brands */
if (p_ptr->special_attack & (ATTACK_ACID))
brand[P_BRAND_ACID] = MAX(brand[P_BRAND_ACID], BRAND_BOOST_NORMAL);
if (p_ptr->special_attack & (ATTACK_ELEC))
brand[P_BRAND_ELEC] = MAX(brand[P_BRAND_ELEC], BRAND_BOOST_NORMAL);
if (p_ptr->special_attack & (ATTACK_FIRE))
brand[P_BRAND_FIRE] = MAX(brand[P_BRAND_FIRE], BRAND_BOOST_NORMAL);
if (p_ptr->special_attack & (ATTACK_COLD))
brand[P_BRAND_COLD] = MAX(brand[P_BRAND_COLD], BRAND_BOOST_NORMAL);
if (p_ptr->special_attack & (ATTACK_POIS))
brand[P_BRAND_POIS] = MAX(brand[P_BRAND_POIS], BRAND_BOOST_NORMAL);
if (p_ptr->special_attack & (ATTACK_HOLY))
slay[P_SLAY_EVIL] = MAX(slay[P_SLAY_EVIL], SLAY_BOOST_SMALL);
/*
* Get the player's hypothetical state, were they to be
* wielding this item (setting irrelevant shield state).
*/
memcpy(inven, p_ptr->inventory, INVEN_TOTAL * sizeof(object_type));
inven[INVEN_WIELD] = *o_ptr;
state.shield_on_back = FALSE;
calc_bonuses(inven, &state, TRUE);
show_m_tohit = state.dis_to_h;
if (if_has(o_ptr->id_other, IF_TO_H) || full)
show_m_tohit += o_ptr->to_h;
if (terse) {
textblock_append_c(tb, TERM_L_GREEN, "%d ", state.num_blow);
textblock_append(tb, "blow%s av. dam. ",
(state.num_blow) ? "s" : "");
} else {
textblock_append(tb, "\nWielding it you would have ");
textblock_append_c(tb, TERM_L_GREEN, "%d ", state.num_blow);
textblock_append(tb,
"blow%s and do an average damage per blow of ",
(state.num_blow) ? "s" : "");
}
for (i = 0; i < MAX_P_SLAY; i++) {
if (slay[i] > MULTIPLE_BASE)
output_dam(tb, &state, o_ptr, slay[i], slayee[i], &first,
mode);
}
for (i = 0; i < MAX_P_BRAND; i++) {
if (brand[i] > MULTIPLE_BASE) {
char buf[40];
strnfmt(buf, sizeof(buf), "non %s resistant creatures",
brandee[i]);
output_dam(tb, &state, o_ptr, brand[i], buf, &first, mode);
}
}
output_dam(tb, &state, o_ptr, MULTIPLE_BASE,
(first) ? "all monsters" : "other monsters", &first, mode);
if (terse) {
textblock_append(tb, ". + ");
textblock_append_c(tb, TERM_L_GREEN, "%d", show_m_tohit);
textblock_append(tb, " to skill. ");
} else {
textblock_append(tb, ". Your + to Skill would be ");
textblock_append_c(tb, TERM_L_GREEN, "%d", show_m_tohit);
textblock_append(tb, ". ");
}
return TRUE;
}
/*
* Describe immunities granted by an object.
*/
static bool describe_immune(textblock * tb, const object_type * o_ptr,
oinfo_detail_t mode)
{
int res = 0, imm = 0, vul = 0, j;
bool full = mode & OINFO_FULL;
bool dummy = mode & OINFO_DUMMY;
bool terse = mode & OINFO_TERSE;
bool prev = FALSE;
/* Check for resists and vulnerabilities */
for (j = 0; j < MAX_P_RES; j++) {
if (!if_has(o_ptr->id_other, OBJECT_ID_BASE_RESIST + j) && !full)
continue;
if (o_ptr->percent_res[j] == RES_BOOST_IMMUNE)
imm++;
else if (o_ptr->percent_res[j] < RES_LEVEL_BASE) {
res++;
} else if (o_ptr->percent_res[j] > RES_LEVEL_BASE)
vul++;
}
/* Immunities */
if (imm) {
textblock_append(tb, "Provides ");
textblock_append_c(tb, TERM_BLUE, "immunity ");
textblock_append(tb, "to ");
/* Loop for number of attributes in this group. */
for (j = 0; j < 4; j++) {
if (o_ptr->percent_res[j] > RES_BOOST_IMMUNE)
continue;
if (!if_has(o_ptr->id_other, OBJECT_ID_BASE_RESIST + j)
&& !full)
continue;
/* List the attribute description, in its proper place. */
if (terse)
textblock_append(tb, resists[j].name);
else
textblock_append_c(tb, resists[j].attr, resists[j].name);
if (imm >= (terse ? 2 : 3))
textblock_append(tb, ", ");
if ((imm == 2) && !terse)
textblock_append(tb, " and ");
imm--;
}
/* End sentence. */
textblock_append(tb, ". ");
prev = TRUE;
}
/* Resistances */
if (res) {
textblock_append(tb, "Provides ");
textblock_append_c(tb, TERM_L_BLUE, "resistance ");
textblock_append(tb, "to ");
/* Loop for number of attributes in this group. */
for (j = 0; j < MAX_P_RES; j++) {
if (o_ptr->percent_res[j] >= RES_LEVEL_BASE)
continue;
if (o_ptr->percent_res[j] == RES_BOOST_IMMUNE)
continue;
if (!if_has(o_ptr->id_other, OBJECT_ID_BASE_RESIST + j)
&& !full)
continue;
/* List the attribute description, in its proper place. */
if (terse)
textblock_append(tb, resists[j].name);
else
textblock_append_c(tb, resists[j].attr, resists[j].name);
textblock_append(tb, "(");
if (dummy)
textblock_append(tb, "about ");
textblock_append(tb, "%d%%)",
RES_LEVEL_BASE - o_ptr->percent_res[j]);
if (res >= (terse ? 2 : 3))
textblock_append(tb, ", ");
if ((res == 2) && !terse)
textblock_append(tb, " and ");
res--;
}
/* End sentence. */
textblock_append(tb, ". ");
prev = TRUE;
}
/* Vulnerabilities */
if (vul) {
textblock_append(tb, "Makes you ");
textblock_append_c(tb, TERM_ORANGE, "vulnerable ");
textblock_append(tb, "to ");
/* Loop for number of attributes in this group. */
for (j = 0; j < MAX_P_RES; j++) {
if (o_ptr->percent_res[j] <= RES_LEVEL_BASE)
continue;
if (!if_has(o_ptr->id_other, OBJECT_ID_BASE_RESIST + j))
continue;
/* List the attribute description, in its proper place. */
if (terse)
textblock_append(tb, resists[j].name);
else
textblock_append_c(tb, resists[j].attr, resists[j].name);
textblock_append(tb, "(");
if (dummy)
textblock_append(tb, "about ");
textblock_append(tb, "%d%%)",
o_ptr->percent_res[j] - RES_LEVEL_BASE);
if (vul >= (terse ? 2 : 3))
textblock_append(tb, ", ");
if ((vul == 2) && !terse)
textblock_append(tb, " and ");
vul--;
}
/* End sentence. */
textblock_append(tb, ". ");
prev = TRUE;
}
return prev;
}
/**
* Display the ammo damage done with a multiplier
*/
static void output_ammo_dam(textblock * tb, player_state * state,
const object_type * o_ptr, int mult,
const char *against, bool * first,
bool perfect, oinfo_detail_t mode)
{
object_type *b_ptr = &p_ptr->inventory[INVEN_BOW];
int dam, die_average, add = 0, i, deadliness, crit, chance, dice =
o_ptr->dd;
/* Throwing weapon, or launched missile? */
bool thrown = !is_missile(o_ptr);
bool full = mode & OINFO_FULL;
/* Average damage for one standard side (x10) */
die_average = (10 * (o_ptr->ds + 1)) / 2;
/* Apply the launcher multiplier. */
if (!thrown)
die_average *= p_ptr->state.ammo_mult;
/* Multiply by slay or brand (x10) */
die_average *= mult;
/* Record the addend */
if (mult > 10)
add = (mult - 10);
/* Multiply by deadliness (x100) */
deadliness = state->dis_to_d;
if (if_has(o_ptr->id_other, IF_TO_D) || full)
deadliness += o_ptr->to_d;
if (if_has(b_ptr->id_other, IF_TO_D) || full)
deadliness += b_ptr->to_d;
if (deadliness > 150)
deadliness = 150;
if (deadliness < -150)
deadliness = -150;
if (deadliness >= 0)
die_average *= (100 + deadliness_conversion[deadliness]);
else {
i = deadliness_conversion[ABS(deadliness)];
if (i >= 100)
die_average = 0;
else
die_average *= (100 - i);
}
/* Get critical chance (x 10) */
chance = state->skills[SKILL_TO_HIT_BOW] + state->dis_to_h;
if (if_has(o_ptr->id_other, IF_TO_H) || full)
chance += o_ptr->to_h;
if ((!thrown) && (if_has(b_ptr->id_other, IF_TO_H) || full))
chance += b_ptr->to_h;
if (thrown)
chance = chance * 3 / 2;
chance = (100 * chance) / (chance + 360);
if (player_has(PF_MARKSMAN))
chance = 100 - (83 * (100 - chance)) / 100;
crit = 116 * chance;
crit /= 1000;
/* Increase dice */
if (thrown && perfect)
dice *= 2;
dice = dice * 10 + crit;
if (thrown)
dice *= 2 + p_ptr->lev / 12;
/* Multiply by number of sides */
dam = die_average * dice;
CHECK_FIRST("", *first);
if ((dam > 50000) || (add > 0))
textblock_append_c(tb, TERM_L_GREEN, "%d", add + dam / 100000);
else
textblock_append_c(tb, TERM_L_RED, "0");
textblock_append(tb, " against %s", against);
}
/*
* Describe an object's effect, if any.
*/
static bool describe_effect(textblock * tb, const object_type * o_ptr,
oinfo_detail_t mode)
{
const object_kind *k_ptr = &k_info[o_ptr->k_idx];
const char *desc;
random_value timeout = { 0, 0, 0, 0 };
bool full = mode & OINFO_FULL;
bool subjective = mode & OINFO_SUBJ;
bool terse = mode & OINFO_TERSE;
int effect = 0, fail;
if (wearable_p(o_ptr)) {
/* Wearable + effect <=> activates */
if ((o_ptr->ident & IDENT_WORN) || full) {
effect = o_ptr->effect;
timeout = o_ptr->time;
} else if (object_effect(o_ptr)) {
textblock_append(tb, "It can be activated.\n");
return TRUE;
}
} else {
/* Sometimes only print activation info */
if (terse)
return FALSE;
if ((object_aware_p(o_ptr)
&& kf_has(k_ptr->flags_kind, KF_EASY_KNOW))
|| full) {
effect = o_ptr->effect;
timeout = o_ptr->time;
} else if (object_effect(o_ptr)) {
if (effect_aim(k_ptr->effect))
textblock_append(tb, "It can be aimed.\n");
else if (o_ptr->tval == TV_FOOD)
textblock_append(tb, "It can be eaten.\n");
else if (o_ptr->tval == TV_POTION)
textblock_append(tb, "It can be drunk.\n");
else if (o_ptr->tval == TV_SCROLL)
textblock_append(tb, "It can be read.\n");
else
textblock_append(tb, "It can be activated.\n");
return TRUE;
}
}
/* Forget it without an effect */
if (!effect)
return FALSE;
/* Obtain the description */
desc = effect_desc(effect);
if (!desc)
return FALSE;
if (effect_aim(effect))
textblock_append(tb, "When aimed, it ");
else if (o_ptr->tval == TV_FOOD)
textblock_append(tb, "When eaten, it ");
else if (o_ptr->tval == TV_POTION)
textblock_append(tb, "When drunk, it ");
else if (o_ptr->tval == TV_SCROLL)
textblock_append(tb, "When read, it ");
else
textblock_append(tb, "When activated, it ");
/* Print a colourised description */
do {
if (isdigit((unsigned char) *desc))
textblock_append_c(tb, TERM_L_GREEN, "%c", *desc);
else
textblock_append(tb, "%c", *desc);
} while (*desc++);
textblock_append(tb, ".\n");
if (randcalc(timeout, 0, MAXIMISE) > 0) {
int min_time, max_time;
/* Sometimes adjust for player speed */
int multiplier = extract_energy[p_ptr->state.pspeed];
if (!subjective)
multiplier = 10;
textblock_append(tb, "Takes ");
/* Correct for player speed */
min_time = randcalc(timeout, 0, MINIMISE) * multiplier / 10;
max_time = randcalc(timeout, 0, MAXIMISE) * multiplier / 10;
textblock_append_c(tb, TERM_L_GREEN, "%d", min_time);
if (min_time != max_time) {
textblock_append(tb, " to ");
textblock_append_c(tb, TERM_L_GREEN, "%d", max_time);
}
textblock_append(tb, " turns to recharge");
if (subjective && p_ptr->state.pspeed != 110)
textblock_append(tb, " at your current speed");
textblock_append(tb, ".\n");
}
if (!subjective || o_ptr->tval == TV_FOOD || o_ptr->tval == TV_POTION
|| o_ptr->tval == TV_SCROLL) {
return TRUE;
} else {
fail = get_use_device_chance(o_ptr);
textblock_append(tb, "Your chance of success is %d.%d%%\n",
(1000 - fail) / 10, (1000 - fail) % 10);
}
return TRUE;
}
/*
* Describe an object's effect, if any.
*/
static bool describe_effect(textblock *tb, const object_type *o_ptr, bool full,
bool only_artifacts, bool subjective)
{
const char *desc;
random_value timeout = {0, 0, 0, 0};
int effect = 0, fail;
if (o_ptr->artifact)
{
if (object_effect_is_known(o_ptr) || full)
{
effect = o_ptr->artifact->effect;
timeout = o_ptr->artifact->time;
}
else if (object_effect(o_ptr))
{
textblock_append(tb, "It can be activated.\n");
return TRUE;
}
}
else
{
/* Sometimes only print artifact activation info */
if (only_artifacts == TRUE) return FALSE;
if (object_effect_is_known(o_ptr) || full)
{
effect = o_ptr->kind->effect;
timeout = o_ptr->kind->time;
}
else if (object_effect(o_ptr) != 0)
{
if (effect_aim(o_ptr->kind->effect))
textblock_append(tb, "It can be aimed.\n");
else if (o_ptr->tval == TV_FOOD)
textblock_append(tb, "It can be eaten.\n");
else if (o_ptr->tval == TV_POTION)
textblock_append(tb, "It can be drunk.\n");
else if (o_ptr->tval == TV_SCROLL)
textblock_append(tb, "It can be read.\n");
else textblock_append(tb, "It can be activated.\n");
return TRUE;
}
}
/* Forget it without an effect */
if (!effect) return FALSE;
/* Obtain the description */
desc = effect_desc(effect);
if (!desc) return FALSE;
if (effect_aim(effect))
textblock_append(tb, "When aimed, it ");
else if (o_ptr->tval == TV_FOOD)
textblock_append(tb, "When eaten, it ");
else if (o_ptr->tval == TV_POTION)
textblock_append(tb, "When drunk, it ");
else if (o_ptr->tval == TV_SCROLL)
textblock_append(tb, "When read, it ");
else
textblock_append(tb, "When activated, it ");
/* Print a colourised description */
do
{
if (isdigit((unsigned char) *desc))
textblock_append_c(tb, TERM_L_GREEN, "%c", *desc);
else
textblock_append(tb, "%c", *desc);
} while (*desc++);
textblock_append(tb, ".\n");
if (randcalc(timeout, 0, MAXIMISE) > 0)
{
int min_time, max_time;
/* Sometimes adjust for player speed */
int multiplier = extract_energy[p_ptr->state.speed];
if (!subjective) multiplier = 10;
textblock_append(tb, "Takes ");
/* Correct for player speed */
min_time = randcalc(timeout, 0, MINIMISE) * multiplier / 10;
max_time = randcalc(timeout, 0, MAXIMISE) * multiplier / 10;
textblock_append_c(tb, TERM_L_GREEN, "%d", min_time);
if (min_time != max_time)
{
textblock_append(tb, " to ");
textblock_append_c(tb, TERM_L_GREEN, "%d", max_time);
}
textblock_append(tb, " turns to recharge");
if (subjective && p_ptr->state.speed != 110)
textblock_append(tb, " at your current speed");
textblock_append(tb, ".\n");
}
if (!subjective || o_ptr->tval == TV_FOOD || o_ptr->tval == TV_POTION ||
o_ptr->tval == TV_SCROLL)
{
return TRUE;
}
else
{
fail = get_use_device_chance(o_ptr);
textblock_append(tb, "Your chance of success is %d.%d%%\n", (1000 - fail) /
10, (1000 - fail) % 10);
}
return TRUE;
}
/*
* Describe slays.
*/
static bool describe_slays(textblock * tb, const object_type * o_ptr,
oinfo_detail_t mode)
{
int j, slay = 0, kill = 0;
bool full = mode & OINFO_FULL;
bool terse = mode & OINFO_TERSE;
byte attr = TERM_RED;
for (j = 0; j < MAX_P_SLAY; j++)
if (if_has(o_ptr->id_other, OBJECT_ID_BASE_SLAY + j) ||
(full && (o_ptr->multiple_slay[j] > MULTIPLE_BASE))) {
slay++;
/* Hack for great banes */
if ((j == P_SLAY_ANIMAL)
&& (o_ptr->multiple_slay[j] > SLAY_BOOST_MINOR)) {
slay--;
kill++;
}
if ((j == P_SLAY_EVIL)
&& (o_ptr->multiple_slay[j] > SLAY_BOOST_SMALL)) {
slay--;
kill++;
}
if ((j > P_SLAY_EVIL)
&& (o_ptr->multiple_slay[j] > SLAY_BOOST_NORMAL)) {
slay--;
kill++;
}
}
if (!slay && !kill)
return FALSE;
if (slay > 0) {
textblock_append(tb, "It slays ");
/* Slays */
for (j = 0; j < MAX_P_SLAY; j++) {
if (!if_has(o_ptr->id_other, OBJECT_ID_BASE_SLAY + j) &&
!(full && (o_ptr->multiple_slay[j] > MULTIPLE_BASE)))
continue;
if ((j == P_SLAY_ANIMAL) &&
(o_ptr->multiple_slay[j] > SLAY_BOOST_MINOR))
continue;
if ((j == P_SLAY_EVIL) &&
(o_ptr->multiple_slay[j] > SLAY_BOOST_SMALL))
continue;
if ((j > P_SLAY_EVIL) &&
(o_ptr->multiple_slay[j] > SLAY_BOOST_NORMAL))
continue;
textblock_append_c(tb, attr, slayee[j]);
if (slay >= 3)
textblock_append(tb, ", ");
if (slay == 2)
textblock_append(tb, " and ");
if (slay == 1)
textblock_append(tb, ". ");
slay--;
}
}
if (kill > 0) {
if (terse)
textblock_append(tb, "Great bane of ");
else
textblock_append(tb, "It is a great bane of ");
/* Great banes */
for (j = 0; j < MAX_P_SLAY; j++) {
if (!if_has(o_ptr->id_other, OBJECT_ID_BASE_SLAY + j) &&
!(full && (o_ptr->multiple_slay[j] > MULTIPLE_BASE)))
continue;
if ((j == P_SLAY_ANIMAL) &&
(o_ptr->multiple_slay[j] <= SLAY_BOOST_MINOR))
continue;
if ((j == P_SLAY_EVIL) &&
(o_ptr->multiple_slay[j] <= SLAY_BOOST_SMALL))
continue;
if ((j > P_SLAY_EVIL) &&
(o_ptr->multiple_slay[j] <= SLAY_BOOST_NORMAL))
continue;
textblock_append_c(tb, attr, slayee[j]);
if (slay >= 3)
textblock_append(tb, ", ");
if (slay == 2)
textblock_append(tb, " and ");
if (slay == 1)
textblock_append(tb, ". ");
slay--;
}
}
textblock_append(tb, "\n");
return TRUE;
}
