/**
* Add power for non-derived flags (derived flags have flag_power 0)
*/
static int flags_power(const object_type *obj, int p, int verbose,
ang_file *log_file, bool known)
{
size_t i, j;
int q;
bitflag flags[OF_SIZE];
/* Extract the flags */
if (known)
object_flags(obj, flags);
else
object_flags_known(obj, flags);
/* Log the flags in human-readable form */
if (verbose)
log_flags(flags, log_file);
/* Zero the flag counts */
for (i = 0; i < N_ELEMENTS(flag_sets); i++)
flag_sets[i].count = 0;
for (i = of_next(flags, FLAG_START); i != FLAG_END;
i = of_next(flags, i + 1)) {
if (flag_power(i)) {
q = (flag_power(i) * flag_slot_mult(i, wield_slot(obj)));
p += q;
log_obj(format("Add %d power for %s, total is %d\n",
q, flag_name(i), p));
}
/* Track combinations of flag types */
for (j = 0; j < N_ELEMENTS(flag_sets); j++)
if (flag_sets[j].type == obj_flag_type(i))
flag_sets[j].count++;
}
/* Add extra power for multiple flags of the same type */
for (i = 0; i < N_ELEMENTS(flag_sets); i++) {
if (flag_sets[i].count > 1) {
q = (flag_sets[i].factor * flag_sets[i].count * flag_sets[i].count);
p += q;
log_obj(format("Add %d power for multiple %s, total is %d\n",
q, flag_sets[i].desc, p));
}
/* Add bonus if item has a full set of these flags */
if (flag_sets[i].count == flag_sets[i].size) {
q = flag_sets[i].bonus;
p += q;
log_obj(format("Add %d power for full set of %s, total is %d\n",
q, flag_sets[i].desc, p));
}
}
return p;
}
/*
* Evaluate the object's overall power level.
*/
s32b object_power(const object_type* o_ptr, int verbose, ang_file *log_file,
bool known)
{
s32b p = 0, q = 0, slay_pwr = 0;
unsigned int i, j;
int extra_stat_bonus = 0, mult = 1, num_slays = 0, k = 1;
bitflag flags[OF_SIZE], mask[OF_SIZE];
/* Zero the flag counts */
for (i = 0; i < N_ELEMENTS(sets); i++)
sets[i].count = 0;
/* Extract the flags */
if (known) {
file_putf(log_file, "Object is deemed known\n");
object_flags(o_ptr, flags);
} else {
file_putf(log_file, "Object may not be fully known\n");
object_flags_known(o_ptr, flags);
}
/* Log the flags in human-readable form */
if (verbose)
log_flags(flags, log_file);
/* Get the slay power and number of slay/brand types */
create_mask(mask, FALSE, OFT_SLAY, OFT_KILL, OFT_BRAND, OFT_MAX);
num_slays = list_slays(flags, mask, NULL, NULL, NULL, TRUE);
if (num_slays)
slay_pwr = slay_power(o_ptr, verbose, log_file, known);
/* Start with any damage boost from the item itself */
p += (o_ptr->to_d * DAMAGE_POWER / 2);
file_putf(log_file, "Adding power from to_dam, total is %d\n", p);
/* Add damage from dice for any wieldable weapon or ammo */
if (wield_slot(o_ptr) == INVEN_WIELD || obj_is_ammo(o_ptr)) {
p += (o_ptr->dd * (o_ptr->ds + 1) * DAMAGE_POWER / 4);
file_putf(log_file, "Adding power for dam dice, total is %d\n", p);
/* Add 2nd lot of damage power for nonweapons */
} else if (wield_slot(o_ptr) != INVEN_BOW) {
p += (o_ptr->to_d * DAMAGE_POWER);
file_putf(log_file, "Adding power from nonweap to_dam, total is %d\n", p);
/* Add power boost for nonweapons with combat flags */
if (num_slays || of_has(flags, OF_BLOWS) || of_has(flags, OF_SHOTS) ||
of_has(flags, OF_MIGHT)) {
p += (WEAP_DAMAGE * DAMAGE_POWER);
file_putf(log_file, "Adding power for nonweap combat flags, total is %d\n", p);
}
}
/* Add ammo damage for launchers, get multiplier and rescale */
if (wield_slot(o_ptr) == INVEN_BOW) {
p += (archery[o_ptr->sval / 10].ammo_dam * DAMAGE_POWER / 2);
file_putf(log_file, "Adding power from ammo, total is %d\n", p);
mult = bow_multiplier(o_ptr->sval);
file_putf(log_file, "Base mult for this weapon is %d\n", mult);
}
/* Add launcher bonus for ego ammo, multiply for launcher and rescale */
if (obj_is_ammo(o_ptr)) {
if (o_ptr->ego)
p += (archery[o_ptr->tval - TV_SHOT].launch_dam * DAMAGE_POWER / 2);
p = p * archery[o_ptr->tval - TV_SHOT].launch_mult / (2 * MAX_BLOWS);
file_putf(log_file, "After multiplying ammo and rescaling, power is %d\n", p);
}
/* Add power for extra blows */
if (of_has(flags, OF_BLOWS)) {
j = which_pval(o_ptr, OF_BLOWS);
if (known || object_this_pval_is_visible(o_ptr, j)) {
if (o_ptr->pval[j] >= INHIBIT_BLOWS) {
p += INHIBIT_POWER;
file_putf(log_file, "INHIBITING - too many extra blows\n");
} else {
p = p * (MAX_BLOWS + o_ptr->pval[j]) / MAX_BLOWS;
/* Add boost for assumed off-weapon damage */
p += (NONWEAP_DAMAGE * o_ptr->pval[j] * DAMAGE_POWER / 2);
file_putf(log_file, "Adding power for extra blows, total is %d\n", p);
}
}
}
/* Add power for extra shots - note that we cannot handle negative shots */
if (of_has(flags, OF_SHOTS)) {
j = which_pval(o_ptr, OF_SHOTS);
if (known || object_this_pval_is_visible(o_ptr, j)) {
if (o_ptr->pval[j] >= INHIBIT_SHOTS) {
p += INHIBIT_POWER;
file_putf(log_file, "INHIBITING - too many extra shots\n");
} else if (o_ptr->pval[j] > 0) {
p = (p * (1 + o_ptr->pval[j]));
file_putf(log_file, "Extra shots: multiplying power by 1 + %d, total is %d\n", o_ptr->pval[j], p);
}
}
}
/* Add power for extra might */
if (of_has(flags, OF_MIGHT)) {
j = which_pval(o_ptr, OF_MIGHT);
if (known || object_this_pval_is_visible(o_ptr, j)) {
if (o_ptr->pval[j] >= INHIBIT_MIGHT) {
p += INHIBIT_POWER;
mult = 1; /* don't overflow */
file_putf(log_file, "INHIBITING - too much extra might\n");
} else
mult += o_ptr->pval[j];
file_putf(log_file, "Mult after extra might is %d\n", mult);
}
}
p *= mult;
file_putf(log_file, "After multiplying power for might, total is %d\n", p);
/* Apply the correct slay multiplier */
if (slay_pwr) {
p = (p * (slay_pwr / 10)) / (tot_mon_power / 10);
file_putf(log_file, "Adjusted for slay power, total is %d\n", p);
}
/* Melee weapons assume MAX_BLOWS per turn, so we must divide by MAX_BLOWS
* to get equal ratings for launchers. */
if (wield_slot(o_ptr) == INVEN_BOW) {
p /= MAX_BLOWS;
file_putf(log_file, "Rescaling bow power, total is %d\n", p);
}
/* Add power for +to_hit */
p += (o_ptr->to_h * TO_HIT_POWER / 2);
file_putf(log_file, "Adding power for to hit, total is %d\n", p);
/* Add power for base AC and adjust for weight */
if (o_ptr->ac) {
q += BASE_ARMOUR_POWER;
q += (o_ptr->ac * BASE_AC_POWER / 2);
file_putf(log_file, "Adding %d power for base AC value\n", q);
/* Add power for AC per unit weight */
if (o_ptr->weight > 0) {
i = 800 * (o_ptr->ac + o_ptr->to_a) / o_ptr->weight;
/* Avoid overpricing Elven Cloaks */
if (i > 450) i = 450;
q *= i;
q /= 100;
/* Weightless (ethereal) armour items get fixed boost */
} else
q *= 5;
p += q;
file_putf(log_file, "Adding power for AC per unit weight, now %d\n", p);
}
/* Add power for +to_ac */
p += (o_ptr->to_a * TO_AC_POWER / 2);
file_putf(log_file, "Adding power for to_ac of %d, total is %d\n", o_ptr->to_a, p);
if (o_ptr->to_a > HIGH_TO_AC) {
p += ((o_ptr->to_a - (HIGH_TO_AC - 1)) * TO_AC_POWER);
file_putf(log_file, "Adding power for high to_ac value, total is %d\n", p);
}
if (o_ptr->to_a > VERYHIGH_TO_AC) {
p += ((o_ptr->to_a - (VERYHIGH_TO_AC -1)) * TO_AC_POWER * 2);
file_putf(log_file, "Adding power for very high to_ac value, total is %d\n", p);
}
if (o_ptr->to_a >= INHIBIT_AC) {
p += INHIBIT_POWER;
file_putf(log_file, "INHIBITING: AC bonus too high\n");
}
/* Add power for light sources by radius XXX Hack - rewrite calc_torch! */
if (wield_slot(o_ptr) == INVEN_LIGHT) {
p += BASE_LIGHT_POWER;
/* Artifact lights have larger radius so add more */
if (o_ptr->artifact)
p += BASE_LIGHT_POWER;
file_putf(log_file, "Adding power for light radius, total is %d\n", p);
}
/* Add base power for jewelry */
if (object_is_jewelry(o_ptr)) {
p += BASE_JEWELRY_POWER;
file_putf(log_file, "Adding power for jewelry, total is %d\n", p);
}
/* Add power for non-derived flags (derived flags have flag_power 0) */
for (i = 0; i < OF_MAX; i++) {
if (of_has(flags, i)) {
if (flag_uses_pval(i)) {
j = which_pval(o_ptr, i);
if (known || object_this_pval_is_visible(o_ptr, j)) {
k = o_ptr->pval[j];
extra_stat_bonus += (k * pval_mult(i));
}
} else
k = 1;
if (flag_power(i)) {
p += (k * flag_power(i) * slot_mult(i, wield_slot(o_ptr)));
file_putf(log_file, "Adding power for %s, total is %d\n", flag_name(i), p);
}
/* Track combinations of flag types - note we ignore SUST_CHR */
for (j = 0; j < N_ELEMENTS(sets); j++)
if ((sets[j].type == obj_flag_type(i)) && (i != OF_SUST_CHR))
sets[j].count++;
}
}
/* Add extra power term if there are a lot of ability bonuses */
if (extra_stat_bonus > 249) {
file_putf(log_file, "Inhibiting! (Total ability bonus of %d is too high)\n", extra_stat_bonus);
p += INHIBIT_POWER;
} else {
p += ability_power[extra_stat_bonus / 10];
file_putf(log_file, "Adding power for pval total of %d, total is %d\n", extra_stat_bonus, p);
}
/* Add extra power for multiple flags of the same type */
for (i = 0; i < N_ELEMENTS(sets); i++) {
if (sets[i].count > 1) {
p += (sets[i].factor * sets[i].count * sets[i].count);
file_putf(log_file, "Adding power for multiple flags of type %d, total is %d\n", i, p);
}
/* Add bonus if item has a full set of these flags */
if (sets[i].count == sets[i].size) {
p += sets[i].bonus;
file_putf(log_file, "Adding power for full set of type %d, total is %d\n", i, p);
}
}
/* add power for effect */
if (known || object_effect_is_known(o_ptr)) {
if (o_ptr->artifact && o_ptr->artifact->effect) {
p += effect_power(o_ptr->artifact->effect);
file_putf(log_file, "Adding power for artifact activation, total is %d\n", p);
} else {
p += effect_power(o_ptr->kind->effect);
file_putf(log_file, "Adding power for item activation, total is %d\n", p);
}
}
file_putf(log_file, "FINAL POWER IS %d\n", p);
return p;
}