/** * 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; }
void monster::knock_back_from(int x, int y) { if (x == posx() && y == posy()) return; // No effect if( is_hallucination() ) { die( nullptr ); return; } point to(posx(), posy()); if (x < posx()) to.x++; if (x > posx()) to.x--; if (y < posy()) to.y++; if (y > posy()) to.y--; bool u_see = g->u.sees( to ); // First, see if we hit another monster int mondex = g->mon_at(to.x, to.y); if( mondex != -1 && g->zombie( mondex ).is_hallucination() ) { // hallucinations should not affect real monsters. If they interfer, just remove them. g->zombie( mondex ).die( this ); mondex = -1; } if (mondex != -1) { monster *z = &(g->zombie(mondex)); apply_damage( z, bp_torso, z->type->size ); add_effect("stunned", 1); if (type->size > 1 + z->type->size) { z->knock_back_from(posx(), posy()); // Chain reaction! z->apply_damage( this, bp_torso, type->size ); z->add_effect("stunned", 1); } else if (type->size > z->type->size) { z->apply_damage( this, bp_torso, type->size ); z->add_effect("stunned", 1); } z->check_dead_state(); if (u_see) add_msg(_("The %s bounces off a %s!"), name().c_str(), z->name().c_str()); return; } int npcdex = g->npc_at(to.x, to.y); if (npcdex != -1) { npc *p = g->active_npc[npcdex]; apply_damage( p, bp_torso, 3 ); add_effect("stunned", 1); p->deal_damage( this, bp_torso, damage_instance( DT_BASH, type->size ) ); if (u_see) add_msg(_("The %s bounces off %s!"), name().c_str(), p->name.c_str()); p->check_dead_state(); return; } // If we're still in the function at this point, we're actually moving a tile! if (g->m.ter_at(to.x, to.y).has_flag(TFLAG_DEEP_WATER)) { if (g->m.has_flag("LIQUID", to.x, to.y) && can_drown()) { die( nullptr ); if (u_see) { add_msg(_("The %s drowns!"), name().c_str()); } } else if (has_flag(MF_AQUATIC)) { // We swim but we're NOT in water die( nullptr ); if (u_see) { add_msg(_("The %s flops around and dies!"), name().c_str()); } } } if (g->m.move_cost(to.x, to.y) == 0) { // It's some kind of wall. apply_damage( nullptr, bp_torso, type->size ); add_effect("stunned", 2); if (u_see) { add_msg(_("The %s bounces off a %s."), name().c_str(), g->m.tername(to.x, to.y).c_str()); } } else { // It's no wall setpos(to); } check_dead_state(); }
/** * 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); } 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(2.45, 3.35); bp_hit = bp_head; // headshot hits the head, of course } else if( goodhit < accuracy_critical ) { message = _("Critical!"); gmtSCTcolor = m_critical; damage_mult *= rng_float(1.75, 2.3); } 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, 20), bp_hit ); } else if (made_of( material_id( "flesh" ) ) || made_of( material_id( "iflesh" ) ) ) { add_effect( effect_onfire, rng(5, 10), 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, 6), bp_hit ); } else if ( (made_of( material_id( "flesh" ) ) || made_of( material_id( "iflesh" ) ) ) && one_in(4) ) { add_effect( effect_onfire, rng(1, 4), 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, rng(6, 6), bp_hit ); } else if (made_of( material_id( "flesh" ) ) || made_of( material_id( "iflesh" ) ) ) { add_effect( effect_onfire, rng(10, 10), 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, 10 ) ); } if( proj_effects.count( "APPLY_SAP" ) ) { add_effect( effect_sap, 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, 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; }
void monster::knock_back_from( const tripoint &p ) { if( p == pos() ) { return; // No effect } if( is_hallucination() ) { die( nullptr ); return; } tripoint to = pos();; if( p.x < posx() ) { to.x++; } if( p.x > posx() ) { to.x--; } if( p.y < posy() ) { to.y++; } if( p.y > posy() ) { to.y--; } bool u_see = g->u.sees( to ); // First, see if we hit another monster if( monster *const z = g->critter_at<monster>( to ) ) { apply_damage( z, bp_torso, z->type->size ); add_effect( effect_stunned, 1 ); if( type->size > 1 + z->type->size ) { z->knock_back_from( pos() ); // Chain reaction! z->apply_damage( this, bp_torso, type->size ); z->add_effect( effect_stunned, 1 ); } else if( type->size > z->type->size ) { z->apply_damage( this, bp_torso, type->size ); z->add_effect( effect_stunned, 1 ); } z->check_dead_state(); if( u_see ) { add_msg( _( "The %1$s bounces off a %2$s!" ), name().c_str(), z->name().c_str() ); } return; } if( npc *const p = g->critter_at<npc>( to ) ) { apply_damage( p, bp_torso, 3 ); add_effect( effect_stunned, 1 ); p->deal_damage( this, bp_torso, damage_instance( DT_BASH, type->size ) ); if( u_see ) { add_msg( _( "The %1$s bounces off %2$s!" ), name().c_str(), p->name.c_str() ); } p->check_dead_state(); return; } // If we're still in the function at this point, we're actually moving a tile! if( g->m.has_flag_ter( TFLAG_DEEP_WATER, to ) ) { if( g->m.has_flag( "LIQUID", to ) && can_drown() ) { die( nullptr ); if( u_see ) { add_msg( _( "The %s drowns!" ), name().c_str() ); } } else if( has_flag( MF_AQUATIC ) ) { // We swim but we're NOT in water die( nullptr ); if( u_see ) { add_msg( _( "The %s flops around and dies!" ), name().c_str() ); } } } if( g->m.impassable( to ) ) { // It's some kind of wall. apply_damage( nullptr, bp_torso, type->size ); add_effect( effect_stunned, 2 ); if( u_see ) { add_msg( _( "The %1$s bounces off a %2$s." ), name().c_str(), g->m.obstacle_name( to ).c_str() ); } } else { // It's no wall setpos( to ); } check_dead_state(); }