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melee.cpp
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melee.cpp
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#include "player.h"
#include "bionics.h"
#include "game.h"
#include "keypress.h"
#include <sstream>
#include <stdlib.h>
#if (defined _WIN32 || defined WINDOWS)
#include "catacurse.h"
#else
#include <curses.h>
#endif
void hit_message(game *g, std::string subject, std::string verb,
std::string target, int dam, bool crit);
void melee_practice(player &u, bool hit, bool unarmed, bool bashing,
bool cutting, bool stabbing);
int attack_speed(player &u, bool missed);
int stumble(player &u);
std::string melee_verb(technique_id tech, std::string your, player &p,
int bash_dam, int cut_dam, int stab_dam);
/* Melee Functions!
* These all belong to class player.
*
* STATE QUERIES
* bool is_armed() - True if we are armed with any weapon.
* bool unarmed_attack() - True if we are NOT armed with any weapon, but still
* true if we're wielding a bionic weapon (at this point, just itm_bio_claws).
*
* HIT DETERMINATION
* int base_to_hit() - The base number of sides we get in hit_roll().
* Dexterity / 2 + sk_melee
* int hit_roll() - The player's hit roll, to be compared to a monster's or
* player's dodge_roll(). This handles weapon bonuses, weapon-specific
* skills, torso encumberment penalties and drunken master bonuses.
*/
bool player::is_armed()
{
return (weapon.type->id != 0 && !weapon.is_style());
}
bool player::unarmed_attack()
{
return (weapon.type->id == 0 || weapon.is_style() ||
weapon.has_flag(IF_UNARMED_WEAPON));
}
int player::base_to_hit(bool real_life, int stat)
{
if (stat == -999)
stat = (real_life ? dex_cur : dex_max);
return 1 + int(stat / 2) + sklevel[sk_melee];
}
int player::hit_roll()
{
int stat = dex_cur;
// Some martial arts use something else to determine hits!
switch (weapon.type->id) {
case itm_style_tiger:
stat = (str_cur * 2 + dex_cur) / 3;
break;
case itm_style_leopard:
stat = (per_cur + int_cur + dex_cur * 2) / 4;
break;
case itm_style_snake:
stat = (per_cur + dex_cur) / 2;
break;
}
int numdice = base_to_hit(stat) + weapon.type->m_to_hit +
disease_intensity(DI_ATTACK_BOOST);
int sides = 10 - encumb(bp_torso);
int best_bonus = 0;
if (sides < 2)
sides = 2;
// Are we unarmed?
if (unarmed_attack()) {
best_bonus = sklevel[sk_unarmed];
if (sklevel[sk_unarmed] > 4)
best_bonus += sklevel[sk_unarmed] - 4; // Extra bonus for high levels
}
// Using a bashing weapon?
if (weapon.is_bashing_weapon()) {
int bash_bonus = int(sklevel[sk_bashing] / 3);
if (bash_bonus > best_bonus)
best_bonus = bash_bonus;
}
// Using a cutting weapon?
if (weapon.is_cutting_weapon()) {
int cut_bonus = int(sklevel[sk_cutting] / 2);
if (cut_bonus > best_bonus)
best_bonus = cut_bonus;
}
// Using a spear?
if (weapon.has_flag(IF_SPEAR) || weapon.has_flag(IF_STAB)) {
int stab_bonus = int(sklevel[sk_stabbing] / 2);
if (stab_bonus > best_bonus)
best_bonus = stab_bonus;
}
numdice += best_bonus; // Use whichever bonus is best.
// Drunken master makes us hit better
if (has_trait(PF_DRUNKEN)) {
if (unarmed_attack())
numdice += int(disease_level(DI_DRUNK) / 300);
else
numdice += int(disease_level(DI_DRUNK) / 400);
}
if (numdice < 1) {
numdice = 1;
sides = 8 - encumb(bp_torso);
}
return dice(numdice, sides);
}
int player::hit_mon(game *g, monster *z, bool allow_grab) // defaults to true
{
bool is_u = (this == &(g->u)); // Affects how we'll display messages
if (is_u)
z->add_effect(ME_HIT_BY_PLAYER, 100); // Flag as attacked by us
int j;
bool can_see = (is_u || g->u_see(posx, posy, j));
std::string You = (is_u ? "You" : name);
std::string Your = (is_u ? "Your" : name + "'s");
std::string your = (is_u ? "your" : (male ? "his" : "her"));
std::string verb = "hit";
std::string target = "the " + z->name();
// If !allow_grab, then we already grabbed them--meaning their dodge is hampered
int mondodge = (allow_grab ? z->dodge_roll() : z->dodge_roll() / 3);
bool missed = (hit_roll() < mondodge ||
one_in(4 + dex_cur + weapon.type->m_to_hit));
int move_cost = attack_speed(*this, missed);
if (missed) {
int stumble_pen = stumble(*this);
if (is_u) { // Only display messages if this is the player
if (weapon.has_technique(TEC_FEINT, this))
g->add_msg("You feint.");
else if (stumble_pen >= 60)
g->add_msg("You miss and stumble with the momentum.");
else if (stumble_pen >= 10)
g->add_msg("You swing wildly and miss.");
else
g->add_msg("You miss.");
}
melee_practice(*this, false, unarmed_attack(),
weapon.is_bashing_weapon(), weapon.is_cutting_weapon(),
(weapon.has_flag(IF_SPEAR) || weapon.has_flag(IF_STAB)));
move_cost += stumble_pen;
if (weapon.has_technique(TEC_FEINT, this))
move_cost = rng(move_cost / 3, move_cost);
moves -= move_cost;
return 0;
}
moves -= move_cost;
bool critical_hit = scored_crit(mondodge);
int bash_dam = roll_bash_damage(z, critical_hit);
int cut_dam = roll_cut_damage(z, critical_hit);
int stab_dam = roll_stab_damage(z, critical_hit);
int pain = 0; // Boost to pain; required for perform_technique
// Moves lost to getting your weapon stuck
int stuck_penalty = roll_stuck_penalty(z, (stab_dam >= cut_dam));
if (weapon.is_style())
stuck_penalty = 0;
// Pick one or more special attacks
technique_id technique = pick_technique(g, z, NULL, critical_hit, allow_grab);
// Handles effects as well; not done in melee_affect_*
perform_technique(technique, g, z, NULL, bash_dam, cut_dam, stab_dam, pain);
z->speed -= int(pain / 2);
// Mutation-based attacks
perform_special_attacks(g, z, NULL, bash_dam, cut_dam, stab_dam);
// Handles speed penalties to monster & us, etc
melee_special_effects(g, z, NULL, critical_hit, bash_dam, cut_dam, stab_dam);
// Make a rather quiet sound, to alert any nearby monsters
if (weapon.type->id != itm_style_ninjutsu) // Ninjutsu is silent!
g->sound(posx, posy, 8, "");
verb = melee_verb(technique, your, *this, bash_dam, cut_dam, stab_dam);
int dam = bash_dam + (cut_dam > stab_dam ? cut_dam : stab_dam);
hit_message(g, You.c_str(), verb.c_str(), target.c_str(), dam, critical_hit);
bool bashing = (bash_dam >= 10 && !unarmed_attack());
bool cutting = (cut_dam >= 10 && cut_dam >= stab_dam);
bool stabbing = (stab_dam >= 10 && stab_dam >= cut_dam);
melee_practice(*this, true, unarmed_attack(), bashing, cutting, stabbing);
if (allow_grab && technique == TEC_GRAB) {
// Move our weapon to a temp slot, if it's not unarmed
if (!unarmed_attack()) {
item tmpweap = remove_weapon();
dam += hit_mon(g, z, false); // False means a second grab isn't allowed
weapon = tmpweap;
} else
dam += hit_mon(g, z, false); // False means a second grab isn't allowed
}
if (dam >= 5 && has_artifact_with(AEP_SAP_LIFE))
healall( rng(dam / 10, dam / 5) );
return dam;
}
void player::hit_player(game *g, player &p, bool allow_grab)
{
int j;
bool is_u = (this == &(g->u)); // Affects how we'll display messages
bool can_see = (is_u || g->u_see(posx, posy, j));
if (is_u && p.is_npc()) {
npc* npcPtr = dynamic_cast<npc*>(&p);
npcPtr->make_angry();
}
std::string You = (is_u ? "You" : name);
std::string Your = (is_u ? "Your" : name + "'s");
std::string your = (is_u ? "your" : (male ? "his" : "her"));
std::string verb = "hit";
// Divide their dodge roll by 2 if this is a grab
int target_dodge = (allow_grab ? p.dodge_roll(g) : p.dodge_roll(g) / 2);
int hit_value = hit_roll() - target_dodge;
bool missed = (hit_roll() <= 0);
int move_cost = attack_speed(*this, missed);
if (missed) {
int stumble_pen = stumble(*this);
if (is_u) { // Only display messages if this is the player
if (weapon.has_technique(TEC_FEINT, this))
g->add_msg("You feint.");
else if (stumble_pen >= 60)
g->add_msg("You miss and stumble with the momentum.");
else if (stumble_pen >= 10)
g->add_msg("You swing wildly and miss.");
else
g->add_msg("You miss.");
}
melee_practice(*this, false, unarmed_attack(),
weapon.is_bashing_weapon(), weapon.is_cutting_weapon(),
(weapon.has_flag(IF_SPEAR) || weapon.has_flag(IF_STAB)));
move_cost += stumble_pen;
if (weapon.has_technique(TEC_FEINT, this))
move_cost = rng(move_cost / 3, move_cost);
moves -= move_cost;
return;
}
moves -= move_cost;
body_part bp_hit;
int side = rng(0, 1);
hit_value += rng(-10, 10);
if (hit_value >= 30)
bp_hit = bp_eyes;
else if (hit_value >= 20)
bp_hit = bp_head;
else if (hit_value >= 10)
bp_hit = bp_torso;
else if (one_in(4))
bp_hit = bp_legs;
else
bp_hit = bp_arms;
std::string target = (p.is_npc() ? p.name + "'s " : "your ");
target += body_part_name(bp_hit, side);
bool critical_hit = scored_crit(target_dodge);
int bash_dam = roll_bash_damage(NULL, critical_hit);
int cut_dam = roll_cut_damage(NULL, critical_hit);
int stab_dam = roll_stab_damage(NULL, critical_hit);
technique_id tech_def = p.pick_defensive_technique(g, NULL, this);
p.perform_defensive_technique(tech_def, g, NULL, this, bp_hit, side,
bash_dam, cut_dam, stab_dam);
if (bash_dam + cut_dam + stab_dam <= 0)
return; // Defensive technique canceled our attack!
if (critical_hit) // Crits cancel out Toad Style's armor boost
p.rem_disease(DI_ARMOR_BOOST);
int pain = 0; // Boost to pain; required for perform_technique
// Moves lost to getting your weapon stuck
int stuck_penalty = roll_stuck_penalty(NULL, (stab_dam >= cut_dam));
if (weapon.is_style())
stuck_penalty = 0;
// Pick one or more special attacks
technique_id technique = pick_technique(g, NULL, &p, critical_hit, allow_grab);
// Handles effects as well; not done in melee_affect_*
perform_technique(technique, g, NULL, &p, bash_dam, cut_dam, stab_dam, pain);
p.pain += pain;
// Mutation-based attacks
perform_special_attacks(g, NULL, &p, bash_dam, cut_dam, stab_dam);
// Handles speed penalties to monster & us, etc
melee_special_effects(g, NULL, &p, critical_hit, bash_dam, cut_dam, stab_dam);
// Make a rather quiet sound, to alert any nearby monsters
if (weapon.type->id != itm_style_ninjutsu) // Ninjutsu is silent!
g->sound(posx, posy, 8, "");
p.hit(g, bp_hit, side, bash_dam, (cut_dam > stab_dam ? cut_dam : stab_dam));
verb = melee_verb(technique, your, *this, bash_dam, cut_dam, stab_dam);
int dam = bash_dam + (cut_dam > stab_dam ? cut_dam : stab_dam);
hit_message(g, You.c_str(), verb.c_str(), target.c_str(), dam, critical_hit);
bool bashing = (bash_dam >= 10 && !unarmed_attack());
bool cutting = (cut_dam >= 10 && cut_dam >= stab_dam);
bool stabbing = (stab_dam >= 10 && stab_dam >= cut_dam);
melee_practice(*this, true, unarmed_attack(), bashing, cutting, stabbing);
if (dam >= 5 && has_artifact_with(AEP_SAP_LIFE))
healall( rng(dam / 10, dam / 5) );
if (allow_grab && technique == TEC_GRAB) {
// Move our weapon to a temp slot, if it's not unarmed
if (p.weapon.has_technique(TEC_BREAK, &p) &&
dice(p.dex_cur + p.sklevel[sk_melee], 12) >
dice(dex_cur + sklevel[sk_melee], 10)) {
if (is_u)
g->add_msg("%s break%s the grab!", target.c_str(), (p.is_npc() ? "s" : ""));
} else if (!unarmed_attack()) {
item tmpweap = remove_weapon();
hit_player(g, p, false); // False means a second grab isn't allowed
weapon = tmpweap;
} else
hit_player(g, p, false); // False means a second grab isn't allowed
}
if (tech_def == TEC_COUNTER) {
if (!p.is_npc())
g->add_msg("Counter-attack!");
p.hit_player(g, *this);
}
}
int stumble(player &u)
{
int stumble_pen = 2 * u.weapon.volume() + u.weapon.weight();
if (u.has_trait(PF_DEFT))
stumble_pen = int(stumble_pen * .3) - 10;
if (stumble_pen < 0)
stumble_pen = 0;
// TODO: Reflect high strength bonus in newcharacter.cpp
if (stumble_pen > 0 && (u.str_cur >= 15 || u.dex_cur >= 21 ||
one_in(16 - u.str_cur) || one_in(22 - u.dex_cur)))
stumble_pen = rng(0, stumble_pen);
return stumble_pen;
}
bool player::scored_crit(int target_dodge)
{
bool to_hit_crit = false, dex_crit = false, skill_crit = false;
int num_crits = 0;
// Weapon to-hit roll
int chance = 25;
if (unarmed_attack()) { // Unarmed attack: 1/2 of unarmed skill is to-hit
for (int i = 1; i <= int(sklevel[sk_unarmed] * .5); i++)
chance += (50 / (2 + i));
}
if (weapon.type->m_to_hit > 0) {
for (int i = 1; i <= weapon.type->m_to_hit; i++)
chance += (50 / (2 + i));
} else if (chance < 0) {
for (int i = 0; i > weapon.type->m_to_hit; i--)
chance /= 2;
}
if (rng(0, 99) < chance + 4 * disease_intensity(DI_ATTACK_BOOST))
num_crits++;
// Dexterity to-hit roll
// ... except sometimes we don't use dexteiry!
int stat = dex_cur;
// Some martial arts use something else to determine hits!
switch (weapon.type->id) {
case itm_style_tiger:
stat = (str_cur * 2 + dex_cur) / 3;
break;
case itm_style_leopard:
stat = (per_cur + int_cur + dex_cur * 2) / 4;
break;
case itm_style_snake:
stat = (per_cur + dex_cur) / 2;
break;
}
chance = 25;
if (stat > 8) {
for (int i = 9; i <= stat; i++)
chance += (21 - i); // 12, 11, 10...
} else {
int decrease = 5;
for (int i = 7; i >= stat; i--) {
chance -= decrease;
if (i % 2 == 0)
decrease--;
}
}
if (rng(0, 99) < chance)
num_crits++;
// Skill level roll
int best_skill = 0;
if (weapon.is_bashing_weapon() && sklevel[sk_bashing] > best_skill)
best_skill = sklevel[sk_bashing];
if (weapon.is_cutting_weapon() && sklevel[sk_cutting] > best_skill)
best_skill = sklevel[sk_cutting];
if ((weapon.has_flag(IF_SPEAR) || weapon.has_flag(IF_STAB)) &&
sklevel[sk_stabbing] > best_skill)
best_skill = sklevel[sk_stabbing];
if (unarmed_attack() && sklevel[sk_unarmed] > best_skill)
best_skill = sklevel[sk_unarmed];
best_skill += int(sklevel[sk_melee] / 2.5);
chance = 25;
if (best_skill > 3) {
for (int i = 3; i < best_skill; i++)
chance += (50 / (2 + i));
} else if (chance < 3) {
for (int i = 3; i > best_skill; i--)
chance /= 2;
}
if (rng(0, 99) < chance + 4 * disease_intensity(DI_ATTACK_BOOST))
num_crits++;
if (num_crits == 3)
return true;
else if (num_crits == 2)
return (hit_roll() >= target_dodge * 1.5 && !one_in(4));
return false;
}
int player::dodge(game *g)
{
if (has_disease(DI_SLEEP) || has_disease(DI_LYING_DOWN))
return 0;
if (activity.type != ACT_NULL)
return 0;
int ret = 4 + (dex_cur / 2);
ret += sklevel[sk_dodge];
ret += disease_intensity(DI_DODGE_BOOST);
ret -= (encumb(bp_legs) / 2) + encumb(bp_torso);
ret += int(current_speed(g) / 150);
if (has_trait(PF_TAIL_LONG))
ret += 4;
if (has_trait(PF_TAIL_FLUFFY))
ret += 8;
if (has_trait(PF_WHISKERS))
ret += 1;
if (has_trait(PF_WINGS_BAT))
ret -= 3;
if (str_max >= 16)
ret--; // Penalty if we're hyuuge
else if (str_max <= 5)
ret++; // Bonus if we're small
if (dodges_left <= 0) { // We already dodged this turn
if (rng(1, sklevel[sk_dodge] + dex_cur + 15) <= sklevel[sk_dodge] + dex_cur)
ret = rng(0, ret);
else
ret = 0;
}
dodges_left--;
// If we're over our cap, average it with our cap
if (ret > int(dex_cur / 2) + sklevel[sk_dodge] * 2)
ret = ( ret + int(dex_cur / 2) + sklevel[sk_dodge] * 2 ) / 2;
return ret;
}
int player::dodge_roll(game *g)
{
return dice(dodge(g), 6);
}
int player::base_damage(bool real_life, int stat)
{
if (stat == -999)
stat = (real_life ? str_cur : str_max);
int dam = (real_life ? rng(0, stat / 2) : stat / 2);
// Bonus for statong characters
if (stat > 10)
dam += int((stat - 9) / 2);
// Big bonus for super-human characters
if (stat > 20)
dam += int((stat - 20) * 1.5);
return dam;
}
int player::roll_bash_damage(monster *z, bool crit)
{
int ret = 0;
int stat = str_cur; // Which stat determines damage?
int skill = sklevel[sk_bashing]; // Which skill determines damage?
if (unarmed_attack())
skill = sklevel[sk_unarmed];
switch (weapon.type->id) { // Some martial arts change which stat
case itm_style_crane:
stat = (dex_cur * 2 + str_cur) / 3;
break;
case itm_style_snake:
stat = int(str_cur + per_cur) / 2;
break;
case itm_style_dragon:
stat = int(str_cur + int_cur) / 2;
break;
}
ret = base_damage(true, stat);
// Drunken Master damage bonuses
if (has_trait(PF_DRUNKEN) && has_disease(DI_DRUNK)) {
// Remember, a single drink gives 600 levels of DI_DRUNK
int mindrunk, maxdrunk;
if (unarmed_attack()) {
mindrunk = disease_level(DI_DRUNK) / 600;
maxdrunk = disease_level(DI_DRUNK) / 250;
} else {
mindrunk = disease_level(DI_DRUNK) / 900;
maxdrunk = disease_level(DI_DRUNK) / 400;
}
ret += rng(mindrunk, maxdrunk);
}
int bash_dam = int(stat / 2) + weapon.damage_bash(),
bash_cap = 5 + stat + skill;
if (unarmed_attack())
bash_dam = rng(0, int(stat / 2) + sklevel[sk_unarmed]);
if (crit) {
bash_dam *= 1.5;
bash_cap *= 2;
}
if (bash_dam > bash_cap)// Cap for weak characters
bash_dam = (bash_cap * 3 + bash_dam) / 4;
if (z != NULL && z->has_flag(MF_PLASTIC))
bash_dam /= rng(2, 4);
int bash_min = bash_dam / 4;
bash_dam = rng(bash_min, bash_dam);
if (bash_dam < skill + int(stat / 2))
bash_dam = rng(bash_dam, skill + int(stat / 2));
ret += bash_dam;
ret += disease_intensity(DI_DAMAGE_BOOST);
// Finally, extra crit effects
if (crit) {
ret += int(stat / 2);
ret += skill;
if (z != NULL)
ret -= z->armor_bash() / 2;
} else if (z != NULL)
ret -= z->armor_bash();
return (ret < 0 ? 0 : ret);
}
int player::roll_cut_damage(monster *z, bool crit)
{
if (weapon.has_flag(IF_SPEAR))
return 0; // Stabs, doesn't cut!
int z_armor_cut = (z == NULL ? 0 : z->armor_cut() - sklevel[sk_cutting] / 2);
if (crit)
z_armor_cut /= 2;
if (z_armor_cut < 0)
z_armor_cut = 0;
int ret = weapon.damage_cut() - z_armor_cut;
if (unarmed_attack() && !wearing_something_on(bp_hands)) {
if (has_trait(PF_CLAWS))
ret += 6;
if (has_trait(PF_TALONS))
ret += 6 + (sklevel[sk_unarmed] > 8 ? 8 : sklevel[sk_unarmed]);
if (has_trait(PF_SLIME_HANDS) && (z == NULL || !z->has_flag(MF_ACIDPROOF)))
ret += rng(4, 6);
}
if (ret <= 0)
return 0; // No negative damage!
// 80%, 88%, 96%, 104%, 112%, 116%, 120%, 124%, 128%, 132%
if (sklevel[sk_cutting] <= 5)
ret *= double( 0.8 + 0.08 * sklevel[sk_cutting] );
else
ret *= double( 0.92 + 0.04 * sklevel[sk_cutting] );
if (crit)
ret *= double( 1.0 + double(sklevel[sk_cutting] / 12) );
return ret;
}
int player::roll_stab_damage(monster *z, bool crit)
{
int ret = 0;
int z_armor = (z == NULL ? 0 : z->armor_cut() - 3 * sklevel[sk_stabbing]);
if (crit)
z_armor /= 3;
if (z_armor < 0)
z_armor = 0;
if (unarmed_attack() && !wearing_something_on(bp_hands)) {
ret = 0 - z_armor;
if (has_trait(PF_CLAWS))
ret += 6;
if (has_trait(PF_NAILS) && z_armor == 0)
ret++;
if (has_trait(PF_THORNS))
ret += 4;
} else if (weapon.has_flag(IF_SPEAR) || weapon.has_flag(IF_STAB))
ret = int((weapon.damage_cut() - z_armor) / 4);
else
return 0; // Can't stab at all!
if (z != NULL && z->speed > 100) { // Bonus against fast monsters
int speed_min = (z->speed - 100) / 10, speed_max = (z->speed - 100) / 5;
int speed_dam = rng(speed_min, speed_max);
if (speed_dam > ret * 2)
speed_dam = ret * 2;
if (speed_dam > 0)
ret += speed_dam;
}
if (ret <= 0)
return 0; // No negative stabbing!
if (crit) {
int multiplier = double( 1.0 + double(sklevel[sk_stabbing] / 5) );
if (multiplier > 2.5)
multiplier = 2.5;
ret *= multiplier;
}
return ret;
}
int player::roll_stuck_penalty(monster *z, bool stabbing)
{
int ret = 0;
int basharm = (z == NULL ? 6 : z->armor_bash()),
cutarm = (z == NULL ? 6 : z->armor_cut());
if (stabbing)
ret = weapon.damage_cut() * 3 + basharm * 3 + cutarm * 3 -
dice(sklevel[sk_stabbing], 10);
else
ret = weapon.damage_cut() * 4 + basharm * 5 + cutarm * 4 -
dice(sklevel[sk_cutting], 10);
if (ret >= weapon.damage_cut() * 10)
return weapon.damage_cut() * 10;
return (ret < 0 ? 0 : ret);
}
technique_id player::pick_technique(game *g, monster *z, player *p,
bool crit, bool allowgrab)
{
if (z == NULL && p == NULL)
return TEC_NULL;
std::vector<technique_id> possible;
bool downed = ((z != NULL && !z->has_effect(ME_DOWNED)) ||
(p != NULL && !p->has_disease(DI_DOWNED)) );
bool plastic = (z == NULL || !z->has_flag(MF_PLASTIC));
bool mon = (z != NULL);
int base_str_req = 0;
if (z != NULL)
base_str_req = z->type->size;
else if (p != NULL)
base_str_req = 1 + (2 + p->str_cur) / 4;
if (allowgrab) { // Check if grabs AREN'T REALLY ALLOWED
if (mon && z->has_flag(MF_PLASTIC))
allowgrab = false;
}
if (crit) { // Some are crit-only
if (weapon.has_technique(TEC_SWEEP, this) &&
(z == NULL || !z->has_flag(MF_FLIES)) && !downed)
possible.push_back(TEC_SWEEP);
if (weapon.has_technique(TEC_PRECISE, this))
possible.push_back(TEC_PRECISE);
if (weapon.has_technique(TEC_BRUTAL, this) && !downed &&
str_cur + sklevel[sk_melee] >= 4 + base_str_req)
possible.push_back(TEC_BRUTAL);
}
if (possible.empty()) { // Use non-crits only if any crit-onlies aren't used
if (weapon.has_technique(TEC_DISARM, this) && !mon &&
p->weapon.type->id != 0 && !p->weapon.has_flag(IF_UNARMED_WEAPON) &&
dice( dex_cur + sklevel[sk_unarmed], 8) >
dice(p->dex_cur + p->sklevel[sk_melee], 10))
possible.push_back(TEC_DISARM);
if (weapon.has_technique(TEC_GRAB, this) && allowgrab)
possible.push_back(TEC_GRAB);
if (weapon.has_technique(TEC_RAPID, this))
possible.push_back(TEC_RAPID);
if (weapon.has_technique(TEC_THROW, this) && !downed &&
str_cur + sklevel[sk_melee] >= 4 + base_str_req * 4 + rng(-4, 4))
possible.push_back(TEC_THROW);
if (weapon.has_technique(TEC_WIDE, this)) { // Count monsters
int enemy_count = 0;
for (int x = posx - 1; x <= posx + 1; x++) {
for (int y = posy - 1; y <= posy + 1; y++) {
int mondex = g->mon_at(x, y);
if (mondex != -1) {
if (g->z[mondex].friendly == 0)
enemy_count++;
else
enemy_count -= 2;
}
int npcdex = g->npc_at(x, y);
if (npcdex != -1) {
if (g->active_npc[npcdex].attitude == NPCATT_KILL)
enemy_count++;
else
enemy_count -= 2;
}
}
}
if (enemy_count >= (possible.empty() ? 2 : 3)) {
possible.push_back(TEC_WIDE);
}
}
} // if (possible.empty())
if (possible.empty())
return TEC_NULL;
possible.push_back(TEC_NULL); // Always a chance to not use any technique
return possible[ rng(0, possible.size() - 1) ];
}
void player::perform_technique(technique_id technique, game *g, monster *z,
player *p, int &bash_dam, int &cut_dam,
int &stab_dam, int &pain)
{
bool mon = (z != NULL);
std::string You = (is_npc() ? name : "You");
std::string target = (mon ? "the " + z->name() :
(p->is_npc() ? p->name : "you"));
std::string s = (is_npc() ? "s" : "");
int tarx = (mon ? z->posx : p->posx), tary = (mon ? z->posy : p->posy);
int junk;
bool u_see = (!is_npc() || g->u_see(posx, posy, junk));
if (technique == TEC_RAPID) {
moves += int( attack_speed(*this, false) / 2);
return;
}
if (technique == TEC_BLOCK) {
bash_dam *= .7;
return;
}
// The rest affect our target, and thus depend on z vs. p
switch (technique) {
case TEC_SWEEP:
if (z != NULL && !z->has_flag(MF_FLIES)) {
z->add_effect(ME_DOWNED, rng(1, 2));
bash_dam += z->fall_damage();
} else if (p != NULL && !p->weapon.type->id == itm_style_judo) {
p->add_disease(DI_DOWNED, rng(1, 2), g);
bash_dam += 3;
}
break;
case TEC_PRECISE:
if (z != NULL)
z->add_effect(ME_STUNNED, rng(1, 4));
else if (p != NULL)
p->add_disease(DI_STUNNED, rng(1, 2), g);
pain += rng(5, 8);
break;
case TEC_BRUTAL:
if (z != NULL) {
z->add_effect(ME_STUNNED, 1);
z->knock_back_from(g, posx, posy);
} else if (p != NULL) {
p->add_disease(DI_STUNNED, 1, g);
p->knock_back_from(g, posy, posy);
}
break;
case TEC_THROW:
// Throws are less predictable than brutal strikes.
// We knock them back from a tile adjacent to us!
if (z != NULL) {
z->add_effect(ME_DOWNED, rng(1, 2));
z->knock_back_from(g, posx + rng(-1, 1), posy + rng(-1, 1));
} else if (p != NULL) {
p->knock_back_from(g, posx + rng(-1, 1), posy + rng(-1, 1));
if (!p->weapon.type->id == itm_style_judo)
p->add_disease(DI_DOWNED, rng(1, 2), g);
}
break;
case TEC_WIDE: {
int count_hit = 0;
for (int x = posx - 1; x <= posx + 1; x++) {
for (int y = posy - 1; y <= posy + 1; y++) {
if (x != tarx || y != tary) { // Don't double-hit our target
int mondex = g->mon_at(x, y);
if (mondex != -1 && hit_roll() >= rng(0, 5) + g->z[mondex].dodge_roll()) {
count_hit++;
int dam = roll_bash_damage(&(g->z[mondex]), false) +
roll_cut_damage (&(g->z[mondex]), false);
g->z[mondex].hurt(dam);
if (u_see)
g->add_msg("%s hit%s %s for %d damage!", You.c_str(), s.c_str(),
target.c_str(), dam);
}
int npcdex = g->npc_at(x, y);
if (npcdex != -1 &&
hit_roll() >= rng(0, 5) + g->active_npc[npcdex].dodge_roll(g)) {
count_hit++;
int dam = roll_bash_damage(NULL, false);
int cut = roll_cut_damage (NULL, false);
g->active_npc[npcdex].hit(g, bp_legs, 3, dam, cut);
if (u_see)
g->add_msg("%s hit%s %s for %d damage!", You.c_str(), s.c_str(),
g->active_npc[npcdex].name.c_str(), dam + cut);
}
}
}
}
if (!is_npc())
g->add_msg("%d enemies hit!", count_hit);
} break;
case TEC_DISARM:
g->m.add_item(p->posx, p->posy, p->remove_weapon());
if (u_see)
g->add_msg("%s disarm%s %s!", You.c_str(), s.c_str(), target.c_str());
break;
} // switch (tech)
}
technique_id player::pick_defensive_technique(game *g, monster *z, player *p)
{
if (blocks_left == 0)
return TEC_NULL;
int foe_melee_skill = 0;
if (z != NULL)
foe_melee_skill = z->type->melee_skill;
else if (p != NULL)
foe_melee_skill = p->dex_cur + p->sklevel[sk_melee];
int foe_dodge = 0;
if (z != NULL)
foe_dodge = z->dodge_roll();
else if (p != NULL)
foe_dodge = p->dodge_roll(g);
int foe_size = 0;
if (z)
foe_size = 4 + z->type->size * 4;
else if (p) {
foe_size = 12;
if (p->str_max <= 5)
foe_size -= 3;
if (p->str_max >= 12)
foe_size += 3;
}
blocks_left--;
if (weapon.has_technique(TEC_WBLOCK_3) &&
dice(dex_cur + sklevel[sk_melee], 12) > dice(foe_melee_skill, 10))
return TEC_WBLOCK_3;
if (weapon.has_technique(TEC_WBLOCK_2) &&
dice(dex_cur + sklevel[sk_melee], 6) > dice(foe_melee_skill, 10))
return TEC_WBLOCK_2;
if (weapon.has_technique(TEC_WBLOCK_1) &&
dice(dex_cur + sklevel[sk_melee], 3) > dice(foe_melee_skill, 10))
return TEC_WBLOCK_1;
if (weapon.has_technique(TEC_DEF_DISARM, this) &&
z == NULL && p->weapon.type->id != 0 &&
!p->weapon.has_flag(IF_UNARMED_WEAPON) &&
dice( dex_cur + sklevel[sk_unarmed], 8) >
dice(p->dex_cur + p->sklevel[sk_melee], 10))
return TEC_DEF_DISARM;
if (weapon.has_technique(TEC_DEF_THROW, this) &&
str_cur + sklevel[sk_melee] >= foe_size + rng(-4, 4) &&
hit_roll() > rng(1, 5) + foe_dodge && !one_in(3))
return TEC_DEF_THROW;
if (weapon.has_technique(TEC_COUNTER, this) &&
hit_roll() > rng(1, 10) + foe_dodge && !one_in(3))
return TEC_COUNTER;
if (weapon.has_technique(TEC_BLOCK_LEGS, this) &&
(hp_cur[hp_leg_l] >= 20 || hp_cur[hp_leg_r] >= 20) &&
dice(dex_cur + sklevel[sk_unarmed] + sklevel[sk_melee], 13) >
dice(8 + foe_melee_skill, 10))
return TEC_BLOCK_LEGS;
if (weapon.has_technique(TEC_BLOCK, this) &&
(hp_cur[hp_arm_l] >= 20 || hp_cur[hp_arm_r] >= 20) &&
dice(dex_cur + sklevel[sk_unarmed] + sklevel[sk_melee], 16) >
dice(6 + foe_melee_skill, 10))
return TEC_BLOCK;
blocks_left++; // We didn't use any blocks, so give it back!
return TEC_NULL;
}
void player::perform_defensive_technique(
technique_id technique, game *g, monster *z, player *p,
body_part &bp_hit, int &side, int &bash_dam, int &cut_dam, int &stab_dam)
{
int junk;
bool mon = (z != NULL);
std::string You = (is_npc() ? name : "You");
std::string your = (is_npc() ? (male ? "his" : "her") : "your");
std::string target = (mon ? "the " + z->name() : p->name);
bool u_see = (!is_npc() || g->u_see(posx, posy, junk));
switch (technique) {
case TEC_BLOCK:
case TEC_BLOCK_LEGS: {
if (technique == TEC_BLOCK) {
bp_hit = bp_arms;
if (hp_cur[hp_arm_l] >= hp_cur[hp_arm_r])
side = 0;
else
side = 1;
} else { // Blocking with our legs
bp_hit = bp_legs;
if (hp_cur[hp_leg_l] >= hp_cur[hp_leg_r])
side = 0;
else
side = 1;
}
if (u_see)
g->add_msg("%s block%s with %s %s.", You.c_str(), (is_npc() ? "s" : ""),
your.c_str(), body_part_name(bp_hit, side).c_str());
bash_dam *= .5;
double reduction = 1.0;
// Special reductions for certain styles
if (weapon.type->id == itm_style_tai_chi)
reduction -= double(0.08 * double(per_cur - 6));