/**
* Calculate the rating for a given slay combination
*/
static s32b slay_power(const object_type *o_ptr, int verbose, ang_file*
log_file, bool known)
{
bitflag s_index[OF_SIZE], f[OF_SIZE], f2[OF_SIZE];
u32b sv = 0;
int i, j;
int mult;
const struct slay *best_s_ptr = NULL;
monster_race *r_ptr;
monster_type *m_ptr;
monster_type monster_type_body;
const char *desc[SL_MAX] = { 0 }, *brand[SL_MAX] = { 0 };
int s_mult[SL_MAX] = { 0 };
if (known)
object_flags(o_ptr, f);
else
object_flags_known(o_ptr, f);
/* Combine the slay bytes into an index value, return if there are none */
of_copy(s_index, f);
create_mask(f2, FALSE, OFT_SLAY, OFT_KILL, OFT_BRAND, OFT_MAX);
if (!of_is_inter(s_index, f2))
return tot_mon_power;
else
of_inter(s_index, f2);
/* Look in the cache to see if we know this one yet */
sv = check_slay_cache(s_index);
/* If it's cached (or there are no slays), return the value */
if (sv) {
file_putf(log_file, "Slay cache hit\n");
return sv;
}
/*
* Otherwise we need to calculate the expected average multiplier
* for this combination (multiplied by the total number of
* monsters, which we'll divide out later).
*/
for (i = 0; i < z_info->r_max; i++) {
best_s_ptr = NULL;
mult = 1;
r_ptr = &r_info[i];
m_ptr = &monster_type_body;
m_ptr->r_idx = i;
/* Find the best multiplier against this monster */
improve_attack_modifier((object_type *)o_ptr, m_ptr, &best_s_ptr,
FALSE, !known);
if (best_s_ptr)
mult = best_s_ptr->mult;
/* Add the multiple to sv */
sv += mult * r_ptr->scaled_power;
}
/*
* To get the expected damage for this weapon, multiply the
* average damage from base dice by sv, and divide by the
* total number of monsters.
*/
if (verbose) {
/* Write info about the slay combination and multiplier */
file_putf(log_file, "Slay multiplier for: ");
j = list_slays(s_index, s_index, desc, brand, s_mult, FALSE);
for (i = 0; i < j; i++) {
if (brand[i]) {
file_putf(log_file, brand[i]);
} else {
file_putf(log_file, desc[i]);
}
file_putf(log_file, "x%d ", s_mult[i]);
}
file_putf(log_file, "\nsv is: %d\n", sv);
file_putf(log_file, " and t_m_p is: %d \n", tot_mon_power);
file_putf(log_file, "times 1000 is: %d\n", (1000 * sv) / tot_mon_power);
}
/* Add to the cache */
if (fill_slay_cache(s_index, sv))
file_putf(log_file, "Added to slay cache\n");
return sv;
}
/*
* 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;
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;
}
/**
* Carry an object and delete it.
*/
extern void py_pickup_aux(int o_idx, bool domsg)
{
int slot, quiver_slot = 0;
char o_name[120];
object_type *o_ptr = &o_list[o_idx];
object_type *i_ptr = &p_ptr->inventory[INVEN_LIGHT];
bitflag f[OF_SIZE], obvious_mask[OF_SIZE];
flags_init(obvious_mask, OF_SIZE, OF_OBVIOUS_MASK, FLAG_END);
of_copy(f, o_ptr->flags_obj);
/* Carry the object */
slot = inven_carry(p_ptr, o_ptr);
/* Handle errors (paranoia) */
if (slot < 0)
return;
/* If we have picked up ammo which matches something in the quiver, note
* that it so that we can wield it later (and suppress pick up message) */
if (obj_is_quiver_obj(o_ptr)) {
int i;
for (i = QUIVER_START; i < QUIVER_END; i++) {
if (!p_ptr->inventory[i].k_idx)
continue;
if (!object_similar(&p_ptr->inventory[i], o_ptr,
OSTACK_QUIVER))
continue;
quiver_slot = i;
break;
}
}
/* Get the object again */
o_ptr = &p_ptr->inventory[slot];
/* Set squelch status */
p_ptr->notice |= PN_SQUELCH;
/* Stone of Lore gives id on pickup */
if (!object_known_p(o_ptr)) {
if (i_ptr->sval == SV_STONE_LORE)
identify_object(o_ptr);
/* Otherwise pseudo-ID */
else {
bool heavy = FALSE;
int feel;
/* Heavy sensing */
heavy = (player_has(PF_PSEUDO_ID_HEAVY));
/* Type of feeling */
feel =
(heavy ? value_check_aux1(o_ptr) :
value_check_aux2(o_ptr));
/* We have "felt" it */
o_ptr->ident |= (IDENT_SENSE);
/* Inscribe it textually */
o_ptr->feel = feel;
/* Set squelch flag as appropriate */
p_ptr->notice |= PN_SQUELCH;
}
}
/* Log artifacts if found */
if (artifact_p(o_ptr))
history_add_artifact(o_ptr->name1, object_is_known(o_ptr), TRUE);
/* Notice dice and other obvious stuff */
notice_other(IF_DD_DS, slot + 1);
(void) of_inter(f, obvious_mask);
of_union(o_ptr->id_obj, f);
/* Average things are average */
if ((o_ptr->feel == FEEL_AVERAGE)
&& (is_weapon(o_ptr) || is_armour(o_ptr))) {
notice_other(IF_AC, slot + 1);
notice_other(IF_TO_A, slot + 1);
notice_other(IF_TO_H, slot + 1);
notice_other(IF_TO_D, slot + 1);
}
/* Recalculate the bonuses */
p_ptr->update |= (PU_BONUS);
/* Optionally, display a message */
if (domsg && !quiver_slot) {
/* Describe the object */
object_desc(o_name, sizeof(o_name), o_ptr,
ODESC_PREFIX | ODESC_FULL);
/* Message */
msg("You have %s (%c).", o_name, index_to_label(slot));
}
/* Delete the object */
delete_object_idx(o_idx);
/* If we have a quiver slot that this item matches, use it */
if (quiver_slot)
wield_item(o_ptr, slot, quiver_slot);
}
