void Creature::deal_melee_hit( Creature *source, int hit_spread, bool critical_hit,
const damage_instance &dam, dealt_damage_instance &dealt_dam )
{
damage_instance d = dam; // copy, since we will mutate in block_hit
body_part bp_hit = select_body_part(source, hit_spread);
block_hit(source, bp_hit, d);
// Bashing critical
if( critical_hit && !is_immune_effect( effect_stunned ) ) {
if( d.type_damage(DT_BASH) * hit_spread > get_hp_max() ) {
add_effect( effect_stunned, 1_turns ); // 1 turn is enough
}
}
// Stabbing effects
int stab_moves = rng( d.type_damage(DT_STAB) / 2,
d.type_damage(DT_STAB) * 1.5 );
if (critical_hit) {
stab_moves *= 1.5;
}
if( stab_moves >= 150 && !is_immune_effect( effect_downed ) ) {
if( is_player() ) {
source->add_msg_if_npc( m_bad, _("<npcname> forces you to the ground!"));
} else {
source->add_msg_player_or_npc( m_good, _("You force %s to the ground!"),
_("<npcname> forces %s to the ground!"),
disp_name().c_str() );
}
add_effect( effect_downed, 1_turns );
mod_moves(-stab_moves / 2);
} else {
mod_moves(-stab_moves);
}
on_hit( source, bp_hit ); // trigger on-gethit events
dealt_dam = deal_damage(source, bp_hit, d);
dealt_dam.bp_hit = bp_hit;
}
/**
* Attempts to harm a creature with a projectile.
*
* @param source Pointer to the creature who shot the projectile.
* @param attack A structure describing the attack and its results.
*/
void Creature::deal_projectile_attack( Creature *source, dealt_projectile_attack &attack )
{
const double missed_by = attack.missed_by;
if( missed_by >= 1.0 ) {
// Total miss
return;
}
const projectile &proj = attack.proj;
dealt_damage_instance &dealt_dam = attack.dealt_dam;
const auto &proj_effects = proj.proj_effects;
const bool u_see_this = g->u.sees(*this);
const int avoid_roll = dodge_roll();
// Do dice(10, speed) instead of dice(speed, 10) because speed could potentially be > 10000
const int diff_roll = dice( 10, proj.speed );
// Partial dodge, capped at [0.0, 1.0], added to missed_by
const double dodge_rescaled = avoid_roll / static_cast<double>( diff_roll );
const double goodhit = missed_by + std::max( 0.0, std::min( 1.0, dodge_rescaled ) ) ;
if( goodhit >= 1.0 ) {
// "Avoid" rather than "dodge", because it includes removing self from the line of fire
// rather than just Matrix-style bullet dodging
if( source != nullptr && g->u.sees( *source ) ) {
add_msg_player_or_npc(
m_warning,
_("You avoid %s projectile!"),
_("<npcname> avoids %s projectile."),
source->disp_name(true).c_str() );
} else {
add_msg_player_or_npc(
m_warning,
_("You avoid an incoming projectile!"),
_("<npcname> avoids an incoming projectile.") );
}
attack.missed_by = 1.0; // Arbitrary value
return;
}
// Bounce applies whether it does damage or not.
if( proj.proj_effects.count( "BOUNCE" ) ) {
add_effect( effect_bounced, 1_turns );
}
body_part bp_hit;
double hit_value = missed_by + rng_float(-0.5, 0.5);
// Headshots considered elsewhere
if( hit_value <= 0.4 ) {
bp_hit = bp_torso;
} else if (one_in(4)) {
if( one_in(2)) {
bp_hit = bp_leg_l;
} else {
bp_hit = bp_leg_r;
}
} else {
if( one_in(2)) {
bp_hit = bp_arm_l;
} else {
bp_hit = bp_arm_r;
}
}
double damage_mult = 1.0;
std::string message = "";
game_message_type gmtSCTcolor = m_neutral;
if( goodhit < accuracy_headshot ) {
message = _("Headshot!");
gmtSCTcolor = m_headshot;
damage_mult *= rng_float(1.95, 2.05);
bp_hit = bp_head; // headshot hits the head, of course
} else if( goodhit < accuracy_critical ) {
message = _("Critical!");
gmtSCTcolor = m_critical;
damage_mult *= rng_float(1.5, 2.0);
} else if( goodhit < accuracy_goodhit ) {
message = _("Good hit!");
gmtSCTcolor = m_good;
damage_mult *= rng_float(1, 1.5);
} else if( goodhit < accuracy_standard ) {
damage_mult *= rng_float(0.5, 1);
} else if( goodhit < accuracy_grazing ) {
message = _("Grazing hit.");
gmtSCTcolor = m_grazing;
damage_mult *= rng_float(0, .25);
}
if( source != nullptr && !message.empty() ) {
source->add_msg_if_player(m_good, message.c_str());
}
attack.missed_by = goodhit;
// copy it, since we're mutating
damage_instance impact = proj.impact;
if( damage_mult > 0.0f && proj_effects.count( "NO_DAMAGE_SCALING" ) ) {
damage_mult = 1.0f;
}
impact.mult_damage(damage_mult);
if( proj_effects.count( "NOGIB" ) > 0 ) {
float dmg_ratio = (float)impact.total_damage() / get_hp_max( player::bp_to_hp( bp_hit ) );
if( dmg_ratio > 1.25f ) {
impact.mult_damage( 1.0f / dmg_ratio );
}
}
dealt_dam = deal_damage(source, bp_hit, impact);
dealt_dam.bp_hit = bp_hit;
// Apply ammo effects to target.
if (proj.proj_effects.count("FLAME")) {
if (made_of( material_id( "veggy" ) ) || made_of( material_id( "cotton" ) ) ||
made_of( material_id( "wool" ) ) || made_of( material_id( "paper" ) ) ||
made_of( material_id( "wood" ) ) ) {
add_effect( effect_onfire, rng( 8_turns, 20_turns ), bp_hit );
} else if (made_of( material_id( "flesh" ) ) || made_of( material_id( "iflesh" ) ) ) {
add_effect( effect_onfire, rng( 5_turns, 10_turns ), bp_hit );
}
} else if (proj.proj_effects.count("INCENDIARY") ) {
if (made_of( material_id( "veggy" ) ) || made_of( material_id( "cotton" ) ) ||
made_of( material_id( "wool" ) ) || made_of( material_id( "paper" ) ) ||
made_of( material_id( "wood" ) ) ) {
add_effect( effect_onfire, rng( 2_turns, 6_turns ), bp_hit );
} else if ( (made_of( material_id( "flesh" ) ) || made_of( material_id( "iflesh" ) ) ) &&
one_in(4) ) {
add_effect( effect_onfire, rng( 1_turns, 4_turns ), bp_hit );
}
} else if (proj.proj_effects.count("IGNITE")) {
if (made_of( material_id( "veggy" ) ) || made_of( material_id( "cotton" ) ) ||
made_of( material_id( "wool" ) ) || made_of( material_id( "paper" ) ) ||
made_of( material_id( "wood" ) ) ) {
add_effect( effect_onfire, 6_turns, bp_hit );
} else if (made_of( material_id( "flesh" ) ) || made_of( material_id( "iflesh" ) ) ) {
add_effect( effect_onfire, 10_turns, bp_hit );
}
}
if( bp_hit == bp_head && proj_effects.count( "BLINDS_EYES" ) ) {
// TODO: Change this to require bp_eyes
add_env_effect( effect_blind, bp_eyes, 5, rng( 3_turns, 10_turns ) );
}
if( proj_effects.count( "APPLY_SAP" ) ) {
add_effect( effect_sap, 1_turns * dealt_dam.total_damage() );
}
int stun_strength = 0;
if (proj.proj_effects.count("BEANBAG")) {
stun_strength = 4;
}
if (proj.proj_effects.count("LARGE_BEANBAG")) {
stun_strength = 16;
}
if( stun_strength > 0 ) {
switch( get_size() ) {
case MS_TINY:
stun_strength *= 4;
break;
case MS_SMALL:
stun_strength *= 2;
break;
case MS_MEDIUM:
default:
break;
case MS_LARGE:
stun_strength /= 2;
break;
case MS_HUGE:
stun_strength /= 4;
break;
}
add_effect( effect_stunned, 1_turns * rng( stun_strength / 2, stun_strength ) );
}
if(u_see_this) {
if( damage_mult == 0 ) {
if( source != nullptr ) {
add_msg( source->is_player() ? _("You miss!") : _("The shot misses!") );
}
} else if( dealt_dam.total_damage() == 0 ) {
//~ 1$ - monster name, 2$ - character's bodypart or monster's skin/armor
add_msg( _("The shot reflects off %1$s %2$s!"), disp_name(true).c_str(),
is_monster() ?
skin_name().c_str() :
body_part_name_accusative(bp_hit).c_str() );
} else if( is_player() ) {
//monster hits player ranged
//~ Hit message. 1$s is bodypart name in accusative. 2$d is damage value.
add_msg_if_player(m_bad, _( "You were hit in the %1$s for %2$d damage." ),
body_part_name_accusative(bp_hit).c_str(),
dealt_dam.total_damage());
} else if( source != nullptr ) {
if( source->is_player() ) {
//player hits monster ranged
SCT.add(posx(), posy(),
direction_from(0, 0, posx() - source->posx(), posy() - source->posy()),
get_hp_bar(dealt_dam.total_damage(), get_hp_max(), true).first,
m_good, message, gmtSCTcolor);
if (get_hp() > 0) {
SCT.add(posx(), posy(),
direction_from(0, 0, posx() - source->posx(), posy() - source->posy()),
get_hp_bar(get_hp(), get_hp_max(), true).first, m_good,
//~ "hit points", used in scrolling combat text
_("hp"), m_neutral, "hp");
} else {
SCT.removeCreatureHP();
}
add_msg(m_good, _("You hit %s for %d damage."),
disp_name().c_str(), dealt_dam.total_damage());
} else if( u_see_this ) {
//~ 1$ - shooter, 2$ - target
add_msg(_("%1$s shoots %2$s."),
source->disp_name().c_str(), disp_name().c_str());
}
}
}
check_dead_state();
attack.hit_critter = this;
attack.missed_by = goodhit;
}
int monster::hp_percentage() const
{
return ( get_hp( hp_torso ) * 100 ) / get_hp_max();
}
/**
* Attempts to harm a creature with a projectile.
*
* @param source Pointer to the creature who shot the projectile.
* @param missed_by Deviation of the projectile.
* @param proj Reference to the projectile hitting the creature.
* @param dealt_dam A reference storing the damage dealt.
* @return 0 signals that the projectile should stop,
* 1 signals that the projectile should not stop (i.e. dodged, passed through).
*/
int Creature::deal_projectile_attack(Creature *source, double missed_by,
const projectile &proj, dealt_damage_instance &dealt_dam)
{
bool u_see_this = g->u.sees(*this);
body_part bp_hit;
// do 10,speed because speed could potentially be > 10000
if (dodge_roll() >= dice(10, proj.speed)) {
if (is_player())
add_msg(_("You dodge %s projectile!"),
source->disp_name(true).c_str());
else if (u_see_this)
add_msg(_("%s dodges %s projectile."),
disp_name().c_str(), source->disp_name(true).c_str());
return 1;
}
// Bounce applies whether it does damage or not.
if (proj.proj_effects.count("BOUNCE")) {
add_effect("bounced", 1);
}
double hit_value = missed_by + rng_float(-0.5, 0.5);
// headshots considered elsewhere
if (hit_value <= 0.4) {
bp_hit = bp_torso;
} else if (one_in(4)) {
if( one_in(2)) {
bp_hit = bp_leg_l;
} else {
bp_hit = bp_leg_r;
}
} else {
if( one_in(2)) {
bp_hit = bp_arm_l;
} else {
bp_hit = bp_arm_r;
}
}
double monster_speed_penalty = std::max(double(get_speed()) / 80., 1.0);
double goodhit = missed_by / monster_speed_penalty;
double damage_mult = 1.0;
std::string message = "";
game_message_type gmtSCTcolor = m_neutral;
if (goodhit <= .1) {
message = _("Headshot!");
source->add_msg_if_player(m_good, message.c_str());
gmtSCTcolor = m_headshot;
damage_mult *= rng_float(2.45, 3.35);
bp_hit = bp_head; // headshot hits the head, of course
} else if (goodhit <= .2) {
message = _("Critical!");
source->add_msg_if_player(m_good, message.c_str());
gmtSCTcolor = m_critical;
damage_mult *= rng_float(1.75, 2.3);
} else if (goodhit <= .4) {
message = _("Good hit!");
source->add_msg_if_player(m_good, message.c_str());
gmtSCTcolor = m_good;
damage_mult *= rng_float(1, 1.5);
} else if (goodhit <= .6) {
damage_mult *= rng_float(0.5, 1);
} else if (goodhit <= .8) {
message = _("Grazing hit.");
source->add_msg_if_player(m_good, message.c_str());
gmtSCTcolor = m_grazing;
damage_mult *= rng_float(0, .25);
} else {
damage_mult *= 0;
}
// copy it, since we're mutating
damage_instance impact = proj.impact;
if( item(proj.ammo->id, 0).has_flag("NOGIB") ) {
impact.add_effect("NOGIB");
}
impact.mult_damage(damage_mult);
dealt_dam = deal_damage(source, bp_hit, impact);
dealt_dam.bp_hit = bp_hit;
// Apply ammo effects to target.
const std::string target_material = get_material();
if (proj.proj_effects.count("FLAME")) {
if (0 == target_material.compare("veggy") || 0 == target_material.compare("cotton") ||
0 == target_material.compare("wool") || 0 == target_material.compare("paper") ||
0 == target_material.compare("wood" ) ) {
add_effect("onfire", rng(8, 20));
} else if (0 == target_material.compare("flesh") || 0 == target_material.compare("iflesh") ) {
add_effect("onfire", rng(5, 10));
}
} else if (proj.proj_effects.count("INCENDIARY") ) {
if (0 == target_material.compare("veggy") || 0 == target_material.compare("cotton") ||
0 == target_material.compare("wool") || 0 == target_material.compare("paper") ||
0 == target_material.compare("wood") ) {
add_effect("onfire", rng(2, 6));
} else if ( (0 == target_material.compare("flesh") || 0 == target_material.compare("iflesh") ) &&
one_in(4) ) {
add_effect("onfire", rng(1, 4));
}
} else if (proj.proj_effects.count("IGNITE")) {
if (0 == target_material.compare("veggy") || 0 == target_material.compare("cotton") ||
0 == target_material.compare("wool") || 0 == target_material.compare("paper") ||
0 == target_material.compare("wood") ) {
add_effect("onfire", rng(6, 6));
} else if (0 == target_material.compare("flesh") || 0 == target_material.compare("iflesh") ) {
add_effect("onfire", rng(10, 10));
}
}
int stun_strength = 0;
if (proj.proj_effects.count("BEANBAG")) {
stun_strength = 4;
}
if(proj.proj_effects.count("WHIP")) {
stun_strength = rng(4, 10);
}
if (proj.proj_effects.count("LARGE_BEANBAG")) {
stun_strength = 16;
}
if( stun_strength > 0 ) {
switch( get_size() ) {
case MS_TINY:
stun_strength *= 4;
break;
case MS_SMALL:
stun_strength *= 2;
break;
case MS_MEDIUM:
default:
break;
case MS_LARGE:
stun_strength /= 2;
break;
case MS_HUGE:
stun_strength /= 4;
break;
}
add_effect( "stunned", rng(stun_strength / 2, stun_strength) );
}
if(u_see_this) {
if (damage_mult == 0) {
if(source != NULL) {
add_msg(source->is_player() ? _("You miss!") : _("The shot misses!"));
}
} else if (dealt_dam.total_damage() == 0) {
add_msg(_("The shot reflects off %s %s!"), disp_name(true).c_str(),
skin_name().c_str());
} else if (source != NULL) {
if (source->is_player()) {
//player hits monster ranged
SCT.add(posx(), posy(),
direction_from(0, 0, posx() - source->posx(), posy() - source->posy()),
get_hp_bar(dealt_dam.total_damage(), get_hp_max(), true).first,
m_good, message, gmtSCTcolor);
if (get_hp() > 0) {
SCT.add(posx(), posy(),
direction_from(0, 0, posx() - source->posx(), posy() - source->posy()),
get_hp_bar(get_hp(), get_hp_max(), true).first, m_good,
//~ “hit points”, used in scrolling combat text
_("hp"), m_neutral, "hp");
} else {
SCT.removeCreatureHP();
}
add_msg(m_good, _("You hit %s for %d damage."),
disp_name().c_str(), dealt_dam.total_damage());
} else if(this->is_player()) {
//monster hits player ranged
//~ Hit message. 1$s is bodypart name in accusative. 2$d is damage value.
add_msg_if_player(m_bad, _( "You were hit in the %1$s for %2$d damage." ),
body_part_name_accusative(bp_hit).c_str( ),
dealt_dam.total_damage());
} else if( u_see_this ) {
add_msg(_("%s shoots %s."),
source->disp_name().c_str(), disp_name().c_str());
}
}
}
check_dead_state();
return 0;
}
body_part Creature::select_body_part(Creature *source, int hit_roll)
{
// Get size difference (-1,0,1);
int szdif = source->get_size() - get_size();
if(szdif < -1) {
szdif = -1;
} else if (szdif > 1) {
szdif = 1;
}
add_msg( m_debug, "source size = %d", source->get_size() );
add_msg( m_debug, "target size = %d", get_size() );
add_msg( m_debug, "difference = %d", szdif );
std::map<body_part, double> hit_weights = default_hit_weights[szdif];
std::map<body_part, double>::iterator iter;
// If the target is on the ground, even small/tiny creatures may target eyes/head. Also increases chances of larger creatures.
// Any hit modifiers to locations should go here. (Tags, attack style, etc)
if(is_on_ground()) {
hit_weights[bp_eyes] += 10;
hit_weights[bp_head] += 20;
}
//Adjust based on hit roll: Eyes, Head & Torso get higher, while Arms and Legs get lower.
//This should eventually be replaced with targeted attacks and this being miss chances.
hit_weights[bp_eyes] = floor(hit_weights[bp_eyes] * std::pow(hit_roll, 1.15) * 10);
hit_weights[bp_head] = floor(hit_weights[bp_head] * std::pow(hit_roll, 1.15) * 10);
hit_weights[bp_torso] = floor(hit_weights[bp_torso] * std::pow(hit_roll, 1) * 10);
hit_weights[bp_arm_l] = floor(hit_weights[bp_arm_l] * std::pow(hit_roll, 0.95) * 10);
hit_weights[bp_arm_r] = floor(hit_weights[bp_arm_r] * std::pow(hit_roll, 0.95) * 10);
hit_weights[bp_leg_l] = floor(hit_weights[bp_leg_l] * std::pow(hit_roll, 0.975) * 10);
hit_weights[bp_leg_r] = floor(hit_weights[bp_leg_r] * std::pow(hit_roll, 0.975) * 10);
// Debug for seeing weights.
add_msg( m_debug, "eyes = %f", hit_weights.at( bp_eyes ) );
add_msg( m_debug, "head = %f", hit_weights.at( bp_head ) );
add_msg( m_debug, "torso = %f", hit_weights.at( bp_torso ) );
add_msg( m_debug, "arm_l = %f", hit_weights.at( bp_arm_l ) );
add_msg( m_debug, "arm_r = %f", hit_weights.at( bp_arm_r ) );
add_msg( m_debug, "leg_l = %f", hit_weights.at( bp_leg_l ) );
add_msg( m_debug, "leg_r = %f", hit_weights.at( bp_leg_r ) );
double totalWeight = 0;
std::set<std::pair<body_part, double>, weight_compare> adjusted_weights;
for(iter = hit_weights.begin(); iter != hit_weights.end(); ++iter) {
totalWeight += iter->second;
adjusted_weights.insert(*iter);
}
body_part selected_part = bp_torso;
// Blood thirsty monsters can discard body part and go to more damaged
int part_rolls = 1;
int repick_chance = 50;
if (source->has_flag(MF_BLOODTHIRSTY)) {
part_rolls += 2;
if (is_player() && g->u.has_trait("ANIMALEMPATH")) {
part_rolls -= 1;
repick_chance -= 10;
}
if (is_player() && g->u.has_trait("ANIMALDISCORD")) {
part_rolls += 1;
repick_chance += 10;
}
}
body_part last_part = selected_part;
for(int r = 0; r < part_rolls; ++r) {
double roll = rng_float(1, totalWeight);
std::set<std::pair<body_part, double>, weight_compare>::iterator adj_iter;
for(adj_iter = adjusted_weights.begin(); adj_iter != adjusted_weights.end(); ++adj_iter) {
roll -= adj_iter->second;
if(roll <= 0) {
selected_part = adj_iter->first;
break;
}
}
if (r != 0) {
hp_part hpart_cur = bodypart_to_hp_part(selected_part);
hp_part hpart_lst = bodypart_to_hp_part(last_part);
double ratio_cur = get_hp(hpart_cur) / float(get_hp_max(hpart_cur));
double ratio_lst = get_hp(hpart_lst) / float(get_hp_max(hpart_lst));
body_part cur_pick_part = selected_part;
if(ratio_cur > ratio_lst && repick_chance >= rng(1,100))
selected_part = last_part;
add_msg( m_debug, "picked %s from %s(%.2f)/%s(%.2f)",
body_part_name(selected_part).c_str(),
body_part_name(cur_pick_part).c_str(), ratio_cur,
body_part_name(last_part).c_str(), ratio_lst);
}
last_part = selected_part;
}
return selected_part;
}
