/**
* @brief Attempts to refill jetpack fuel from a close source.
* @return true if fuel was refilled.
*/
bool G_FindFuel( gentity_t *self )
{
gentity_t *neighbor = nullptr;
bool foundSource = false;
if ( !self || !self->client )
{
return false;
}
// search for fuel source
while ( ( neighbor = G_IterateEntitiesWithinRadius( neighbor, self->s.origin, ENTITY_BUY_RANGE ) ) )
{
// only friendly, living and powered buildables provide fuel
if ( neighbor->s.eType != ET_BUILDABLE || !G_OnSameTeam( self, neighbor ) ||
!neighbor->spawned || !neighbor->powered || G_Dead( neighbor ) )
{
continue;
}
switch ( neighbor->s.modelindex )
{
case BA_H_ARMOURY:
foundSource = true;
break;
}
}
if ( foundSource )
{
return G_RefillFuel( self, true );
}
return false;
}
void G_WeightAttack( gentity_t *self, gentity_t *victim )
{
float weightDPS;
int attackerMass, victimMass, weightDamage;
// weigth damage is only dealt between clients
if ( !self->client || !victim->client )
{
return;
}
// don't do friendly fire
if ( G_OnSameTeam( self, victim ) )
{
return;
}
// ignore invincible targets
if ( !victim->takedamage )
{
return;
}
// attacker must be above victim
if ( self->client->ps.origin[ 2 ] + self->r.mins[ 2 ] <
victim->s.origin[ 2 ] + victim->r.maxs[ 2 ] )
{
return;
}
// victim must be on the ground
if ( victim->client->ps.groundEntityNum == ENTITYNUM_NONE )
{
return;
}
// check timer
if ( victim->client->nextCrushTime > level.time )
{
return;
}
attackerMass = BG_Class( self->client->pers.classSelection )->mass;
victimMass = BG_Class( victim->client->pers.classSelection )->mass;
weightDPS = WEIGHTDMG_DMG_MODIFIER * MAX( attackerMass - victimMass, 0 );
if ( weightDPS > WEIGHTDMG_DPS_THRESHOLD )
{
weightDamage = ( int )( weightDPS * ( WEIGHTDMG_REPEAT / 1000.0f ) );
if ( weightDamage > 0 )
{
G_Damage( victim, self, self, NULL, victim->s.origin, weightDamage,
DAMAGE_NO_LOCDAMAGE, ModWeight( self ) );
}
}
victim->client->nextCrushTime = level.time + WEIGHTDMG_REPEAT;
}
void G_ImpactAttack( gentity_t *self, gentity_t *victim )
{
float impactVelocity, impactEnergy;
vec3_t knockbackDir;
int attackerMass, impactDamage;
// self must be a client
if ( !self->client )
{
return;
}
// ignore invincible targets
if ( !victim->takedamage )
{
return;
}
// don't do friendly fire
if ( G_OnSameTeam( self, victim ) )
{
return;
}
// attacker must be above victim
if ( self->client->ps.origin[ 2 ] + self->r.mins[ 2 ] <
victim->s.origin[ 2 ] + victim->r.maxs[ 2 ] )
{
return;
}
// allow the granger airlifting ritual
if ( victim->client && victim->client->ps.stats[ STAT_STATE2 ] & SS2_JETPACK_ACTIVE &&
( self->client->pers.classSelection == PCL_ALIEN_BUILDER0 ||
self->client->pers.classSelection == PCL_ALIEN_BUILDER0_UPG ) )
{
return;
}
// calculate impact damage
attackerMass = BG_Class( self->client->pers.classSelection )->mass;
impactVelocity = fabs( self->client->pmext.fallImpactVelocity[ 2 ] ) * IMPACTDMG_QU_TO_METER; // in m/s
impactEnergy = attackerMass * impactVelocity * impactVelocity; // in J
impactDamage = ( int )( impactEnergy * IMPACTDMG_JOULE_TO_DAMAGE );
// deal impact damage to both clients and structures, use a threshold for friendly fire
if ( impactDamage > 0 )
{
// calculate knockback direction
VectorSubtract( victim->s.origin, self->client->ps.origin, knockbackDir );
VectorNormalize( knockbackDir );
G_Damage( victim, self, self, knockbackDir, victim->s.origin, impactDamage,
DAMAGE_NO_LOCDAMAGE, ModWeight( self ) );
}
}
void G_WeightAttack( gentity_t *self, gentity_t *victim )
{
float weightDPS, weightDamage;
int attackerMass, victimMass;
// weigth damage is only dealt between clients
if ( !self->client || !victim->client )
{
return;
}
// don't do friendly fire
if ( G_OnSameTeam( self, victim ) )
{
return;
}
// attacker must be above victim
if ( self->client->ps.origin[ 2 ] + self->r.mins[ 2 ] <
victim->s.origin[ 2 ] + victim->r.maxs[ 2 ] )
{
return;
}
// victim must be on the ground
if ( victim->client->ps.groundEntityNum == ENTITYNUM_NONE )
{
return;
}
// check timer
if ( victim->client->nextCrushTime > level.time )
{
return;
}
attackerMass = BG_Class( self->client->pers.classSelection )->mass;
victimMass = BG_Class( victim->client->pers.classSelection )->mass;
weightDPS = WEIGHTDMG_DMG_MODIFIER * std::max( attackerMass - victimMass, 0 );
if ( weightDPS > WEIGHTDMG_DPS_THRESHOLD )
{
weightDamage = weightDPS * ( WEIGHTDMG_REPEAT / 1000.0f );
victim->entity->Damage(weightDamage, self, Vec3::Load(victim->s.origin), Util::nullopt,
DAMAGE_NO_LOCDAMAGE, ModWeight(self));
}
victim->client->nextCrushTime = level.time + WEIGHTDMG_REPEAT;
}
void G_ImpactAttack( gentity_t *self, gentity_t *victim )
{
float impactVelocity, impactEnergy, impactDamage;
vec3_t knockbackDir;
int attackerMass;
// self must be a client
if ( !self->client )
{
return;
}
// don't do friendly fire
if ( G_OnSameTeam( self, victim ) )
{
return;
}
// attacker must be above victim
if ( self->client->ps.origin[ 2 ] + self->r.mins[ 2 ] <
victim->s.origin[ 2 ] + victim->r.maxs[ 2 ] )
{
return;
}
// allow the granger airlifting ritual
if ( victim->client && victim->client->ps.stats[ STAT_STATE2 ] & SS2_JETPACK_ACTIVE &&
( self->client->pers.classSelection == PCL_ALIEN_BUILDER0 ||
self->client->pers.classSelection == PCL_ALIEN_BUILDER0_UPG ) )
{
return;
}
// calculate impact damage
impactVelocity = fabs( self->client->pmext.fallImpactVelocity[ 2 ] ) * QU_TO_METER; // in m/s
if (!impactVelocity) return;
attackerMass = BG_Class( self->client->pers.classSelection )->mass;
impactEnergy = attackerMass * impactVelocity * impactVelocity; // in J
impactDamage = impactEnergy * IMPACTDMG_JOULE_TO_DAMAGE;
// calculate knockback direction
VectorSubtract( victim->s.origin, self->client->ps.origin, knockbackDir );
VectorNormalize( knockbackDir );
victim->entity->Damage((float)impactDamage, self, Vec3::Load(victim->s.origin),
Vec3::Load(knockbackDir), DAMAGE_NO_LOCDAMAGE, ModWeight(self));
}
/**
* @brief Attempts to refill ammo from a close source.
* @return Whether ammo was refilled.
*/
qboolean G_FindAmmo( gentity_t *self )
{
gentity_t *neighbor = NULL;
qboolean foundSource = qfalse;
// don't search for a source if refilling isn't possible
if ( !CanUseAmmoRefill( self ) )
{
return qfalse;
}
// search for ammo source
while ( ( neighbor = G_IterateEntitiesWithinRadius( neighbor, self->s.origin, ENTITY_BUY_RANGE ) ) )
{
// only friendly, living and powered buildables provide ammo
if ( neighbor->s.eType != ET_BUILDABLE ||
!G_OnSameTeam( self, neighbor ) ||
!neighbor->spawned ||
!neighbor->powered ||
neighbor->health <= 0 )
{
continue;
}
switch ( neighbor->s.modelindex )
{
case BA_H_ARMOURY:
foundSource = qtrue;
break;
case BA_H_REACTOR:
case BA_H_REPEATER:
if ( BG_Weapon( self->client->ps.stats[ STAT_WEAPON ] )->usesEnergy )
{
foundSource = qtrue;
}
break;
}
}
if ( foundSource )
{
return G_RefillAmmo( self, qtrue );
}
return qfalse;
}
qboolean G_CheckVenomAttack( gentity_t *self )
{
trace_t tr;
gentity_t *traceEnt;
int damage = LEVEL0_BITE_DMG;
if ( self->client->ps.weaponTime )
{
return qfalse;
}
// Calculate muzzle point
AngleVectors( self->client->ps.viewangles, forward, right, up );
G_CalcMuzzlePoint( self, forward, right, up, muzzle );
G_WideTrace( &tr, self, LEVEL0_BITE_RANGE, LEVEL0_BITE_WIDTH, LEVEL0_BITE_WIDTH, &traceEnt );
if ( !traceEnt || !traceEnt->takedamage || traceEnt->health <= 0 ||
G_OnSameTeam( self, traceEnt ) )
{
return qfalse;
}
// only allow bites to work against turrets or buildables in construction
if ( traceEnt->s.eType == ET_BUILDABLE && traceEnt->spawned )
{
switch ( traceEnt->s.modelindex )
{
case BA_H_MGTURRET:
case BA_H_TESLAGEN:
break;
default:
return qfalse;
}
}
SendMeleeHitEvent( self, traceEnt, &tr );
G_Damage( traceEnt, self, self, forward, tr.endpos, damage, DAMAGE_NO_KNOCKBACK,
MOD_LEVEL0_BITE );
self->client->ps.weaponTime += LEVEL0_BITE_REPEAT;
return qtrue;
}
// TODO: Use a proper trajectory trace, once available, to ensure friendly buildables are never hit.
bool SpikerComponent::SafeToShoot(Vec3 direction) {
const missileAttributes_t* ma = BG_Missile(MIS_SPIKER);
float missileSize = (float)ma->size;
trace_t trace;
vec3_t mins, maxs;
Vec3 end = Vec3::Load(entity.oldEnt->s.origin) + (SPIKE_RANGE * direction);
// Test once with normal and once with inflated missile bounding box.
for (float traceSize : {missileSize, missileSize * SAFETY_TRACE_INFLATION}) {
mins[0] = mins[1] = mins[2] = -traceSize;
maxs[0] = maxs[1] = maxs[2] = traceSize;
trap_Trace(&trace, entity.oldEnt->s.origin, mins, maxs, end.Data(), entity.oldEnt->s.number,
ma->clipmask, 0);
gentity_t* hit = &g_entities[trace.entityNum];
if (hit && G_OnSameTeam(entity.oldEnt, hit)) {
return false;
}
}
return true;
}
bool G_CheckVenomAttack( gentity_t *self )
{
trace_t tr;
gentity_t *traceEnt;
int damage = LEVEL0_BITE_DMG;
if ( self->client->ps.weaponTime )
{
return false;
}
// Calculate muzzle point
AngleVectors( self->client->ps.viewangles, forward, right, up );
G_CalcMuzzlePoint( self, forward, right, up, muzzle );
G_WideTrace( &tr, self, LEVEL0_BITE_RANGE, LEVEL0_BITE_WIDTH, LEVEL0_BITE_WIDTH, &traceEnt );
if ( !traceEnt || !traceEnt->takedamage || traceEnt->health <= 0 ||
G_OnSameTeam( self, traceEnt ) )
{
return false;
}
// only allow bites to work against buildables in construction
if ( traceEnt->s.eType == ET_BUILDABLE && traceEnt->spawned )
{
return false;
}
SendMeleeHitEvent( self, traceEnt, &tr );
G_Damage( traceEnt, self, self, forward, tr.endpos, damage, 0, MOD_LEVEL0_BITE );
self->client->ps.weaponTime += LEVEL0_BITE_REPEAT;
return true;
}
bool G_CheckVenomAttack( gentity_t *self )
{
trace_t tr;
gentity_t *traceEnt;
if ( self->client->ps.weaponTime )
{
return false;
}
// Calculate muzzle point
AngleVectors( self->client->ps.viewangles, forward, right, up );
G_CalcMuzzlePoint( self, forward, right, up, muzzle );
G_WideTrace( &tr, self, LEVEL0_BITE_RANGE, LEVEL0_BITE_WIDTH, LEVEL0_BITE_WIDTH, &traceEnt );
if ( !G_Alive( traceEnt ) || G_OnSameTeam( self, traceEnt ) )
{
return false;
}
// only allow bites to work against buildables in construction
if ( traceEnt->s.eType == ET_BUILDABLE && traceEnt->spawned )
{
return false;
}
traceEnt->entity->Damage((float)LEVEL0_BITE_DMG, self, Vec3::Load(tr.endpos),
Vec3::Load(forward), 0, (meansOfDeath_t)MOD_LEVEL0_BITE);
SendMeleeHitEvent( self, traceEnt, &tr );
self->client->ps.weaponTime += LEVEL0_BITE_REPEAT;
return true;
}
void HealthComponent::HandleDamage(float amount, gentity_t* source, Util::optional<Vec3> location,
Util::optional<Vec3> direction, int flags, meansOfDeath_t meansOfDeath) {
if (health <= 0.0f) return;
if (amount <= 0.0f) return;
gclient_t *client = entity.oldEnt->client;
// Check for immunity.
if (entity.oldEnt->flags & FL_GODMODE) return;
if (client) {
if (client->noclip) return;
if (client->sess.spectatorState != SPECTATOR_NOT) return;
}
// Set source to world if missing.
if (!source) source = &g_entities[ENTITYNUM_WORLD];
// Don't handle ET_MOVER w/o die or pain function.
// TODO: Handle mover special casing in a dedicated component.
if (entity.oldEnt->s.eType == entityType_t::ET_MOVER && !(entity.oldEnt->die || entity.oldEnt->pain)) {
// Special case for ET_MOVER with act function in initial position.
if ((entity.oldEnt->moverState == MOVER_POS1 || entity.oldEnt->moverState == ROTATOR_POS1)
&& entity.oldEnt->act) {
entity.oldEnt->act(entity.oldEnt, source, source);
}
return;
}
// Check for protection.
if (!(flags & DAMAGE_NO_PROTECTION)) {
// Check for protection from friendly damage.
if (entity.oldEnt != source && G_OnSameTeam(entity.oldEnt, source)) {
// Check if friendly fire has been disabled.
if (!g_friendlyFire.integer) return;
// Never do friendly damage on movement attacks.
switch (meansOfDeath) {
case MOD_LEVEL3_POUNCE:
case MOD_LEVEL4_TRAMPLE:
return;
default:
break;
}
// If dretchpunt is enabled and this is a dretch, do dretchpunt instead of damage.
// TODO: Add a message for pushing.
if (g_dretchPunt.integer && client && client->ps.stats[STAT_CLASS] == PCL_ALIEN_LEVEL0)
{
vec3_t dir, push;
VectorSubtract(entity.oldEnt->r.currentOrigin, source->r.currentOrigin, dir);
VectorNormalizeFast(dir);
VectorScale(dir, (amount * 10.0f), push);
push[ 2 ] = 64.0f;
VectorAdd( client->ps.velocity, push, client->ps.velocity );
return;
}
}
// Check for protection from friendly buildable damage. Never protect from building actions.
// TODO: Use DAMAGE_NO_PROTECTION flag instead of listing means of death here.
if (entity.oldEnt->s.eType == entityType_t::ET_BUILDABLE && source->client &&
meansOfDeath != MOD_DECONSTRUCT && meansOfDeath != MOD_SUICIDE &&
meansOfDeath != MOD_REPLACE) {
if (G_OnSameTeam(entity.oldEnt, source) && !g_friendlyBuildableFire.integer) {
return;
}
}
}
float take = amount;
// Apply damage modifiers.
if (!(flags & DAMAGE_PURE)) {
entity.ApplyDamageModifier(take, location, direction, flags, meansOfDeath);
}
// Update combat timers.
// TODO: Add a message to update combat timers.
if (client && source->client && entity.oldEnt != source) {
client->lastCombatTime = entity.oldEnt->client->lastCombatTime = level.time;
}
if (client) {
// Save damage w/o armor modifier.
client->damage_received += (int)(amount + 0.5f);
// Save damage direction.
if (direction) {
VectorCopy(direction.value().Data(), client->damage_from);
client->damage_fromWorld = false;
} else {
VectorCopy(entity.oldEnt->r.currentOrigin, client->damage_from);
client->damage_fromWorld = true;
}
// Drain jetpack fuel.
// TODO: Have another component handle jetpack fuel drain.
client->ps.stats[STAT_FUEL] = std::max(0, client->ps.stats[STAT_FUEL] -
(int)(amount + 0.5f) * JETPACK_FUEL_PER_DMG);
// If boosted poison every attack.
// TODO: Add a poison message and a PoisonableComponent.
if (source->client && (source->client->ps.stats[STAT_STATE] & SS_BOOSTED) &&
client->pers.team == TEAM_HUMANS && client->poisonImmunityTime < level.time) {
switch (meansOfDeath) {
case MOD_POISON:
case MOD_LEVEL2_ZAP:
break;
default:
client->ps.stats[STAT_STATE] |= SS_POISONED;
client->lastPoisonTime = level.time;
client->lastPoisonClient = source;
break;
}
}
}
healthLogger.Notice("Taking damage: %3.1f (%3.1f → %3.1f)", take, health, health - take);
// Do the damage.
health -= take;
// Update team overlay info.
if (client) client->pers.infoChangeTime = level.time;
// TODO: Move lastDamageTime to HealthComponent.
entity.oldEnt->lastDamageTime = level.time;
// HACK: gentity_t.nextRegenTime only affects alien clients.
// TODO: Catch damage message in a new RegenerationComponent.
entity.oldEnt->nextRegenTime = level.time + ALIEN_CLIENT_REGEN_WAIT;
// Handle non-self damage.
if (entity.oldEnt != source) {
float loss = take;
if (health < 0.0f) loss += health;
// TODO: Use ClientComponent.
if (source->client) {
// Add to the attacker's account on the target.
// TODO: Move damage account array to HealthComponent.
entity.oldEnt->credits[source->client->ps.clientNum].value += loss;
entity.oldEnt->credits[source->client->ps.clientNum].time = level.time;
entity.oldEnt->credits[source->client->ps.clientNum].team = (team_t)source->client->pers.team;
}
}
// Handle death.
// TODO: Send a Die/Pain message and handle details where appropriate.
if (health <= 0) {
healthLogger.Notice("Dying with %.1f health.", health);
// Disable knockback.
if (client) entity.oldEnt->flags |= FL_NO_KNOCKBACK;
// Call legacy die function.
if (entity.oldEnt->die) entity.oldEnt->die(entity.oldEnt, source, source, meansOfDeath);
// Send die message.
entity.Die(source, meansOfDeath);
// Trigger ON_DIE event.
if(!client) G_EventFireEntity(entity.oldEnt, source, ON_DIE);
} else if (entity.oldEnt->pain) {
entity.oldEnt->pain(entity.oldEnt, source, (int)std::ceil(take));
}
if (entity.oldEnt != source && source->client) {
bool lethal = (health <= 0);
CombatFeedback::HitNotify(source, entity.oldEnt, location, take, meansOfDeath, lethal);
}
}
// TODO: Clean this mess further (split into helper functions)
void G_Damage( gentity_t *target, gentity_t *inflictor, gentity_t *attacker,
vec3_t dir, vec3_t point, int damage, int damageFlags, int mod )
{
gclient_t *client;
int take, loss;
int knockback;
float modifier;
if ( !target || !target->takedamage || target->health <= 0 || level.intermissionQueued )
{
return;
}
client = target->client;
// don't handle noclip clients
if ( client && client->noclip )
{
return;
}
// set inflictor to world if missing
if ( !inflictor )
{
inflictor = &g_entities[ ENTITYNUM_WORLD ];
}
// set attacker to world if missing
if ( !attacker )
{
attacker = &g_entities[ ENTITYNUM_WORLD ];
}
// don't handle ET_MOVER w/o die or pain function
if ( target->s.eType == ET_MOVER && !( target->die || target->pain ) )
{
// special case for ET_MOVER with act function in initial position
if ( ( target->moverState == MOVER_POS1 || target->moverState == ROTATOR_POS1 ) &&
target->act )
{
target->act( target, inflictor, attacker );
}
return;
}
// do knockback against clients
if ( client && !( damageFlags & DAMAGE_NO_KNOCKBACK ) && dir )
{
// scale knockback by weapon
if ( inflictor->s.weapon != WP_NONE )
{
knockback = ( int )( ( float )damage * BG_Weapon( inflictor->s.weapon )->knockbackScale );
}
else
{
knockback = damage;
}
// apply generic damage to knockback modifier
knockback *= DAMAGE_TO_KNOCKBACK;
// HACK: Too much knockback from falling makes you bounce and looks silly
if ( mod == MOD_FALLING )
{
knockback = MIN( knockback, MAX_FALLDMG_KNOCKBACK );
}
G_KnockbackByDir( target, dir, knockback, qfalse );
}
else
{
// damage knockback gets saved, so initialize it here
knockback = 0;
}
// godmode prevents damage
if ( target->flags & FL_GODMODE )
{
return;
}
// check for protection
if ( !( damageFlags & DAMAGE_NO_PROTECTION ) )
{
// check for protection from friendly damage
if ( target != attacker && G_OnSameTeam( target, attacker ) )
{
// check if friendly fire has been disabled
if ( !g_friendlyFire.integer )
{
return;
}
// don't do friendly damage on movement attacks
switch ( mod )
{
case MOD_LEVEL3_POUNCE:
case MOD_LEVEL4_TRAMPLE:
return;
default:
break;
}
// if dretchpunt is enabled and this is a dretch, do dretchpunt instead of damage
if ( g_dretchPunt.integer && target->client &&
( target->client->ps.stats[ STAT_CLASS ] == PCL_ALIEN_LEVEL0 ||
target->client->ps.stats[ STAT_CLASS ] == PCL_ALIEN_LEVEL0_UPG ) )
{
vec3_t dir, push;
VectorSubtract( target->r.currentOrigin, attacker->r.currentOrigin, dir );
VectorNormalizeFast( dir );
VectorScale( dir, ( damage * 10.0f ), push );
push[ 2 ] = 64.0f;
VectorAdd( target->client->ps.velocity, push, target->client->ps.velocity );
return;
}
}
// for buildables, never protect from damage dealt by building actions
if ( target->s.eType == ET_BUILDABLE && attacker->client &&
mod != MOD_DECONSTRUCT && mod != MOD_SUICIDE &&
mod != MOD_REPLACE && mod != MOD_NOCREEP )
{
// check for protection from friendly buildable damage
if ( G_OnSameTeam( target, attacker ) && !g_friendlyBuildableFire.integer )
{
return;
}
}
}
// update combat timers
if ( target->client && attacker->client && target != attacker )
{
target->client->lastCombatTime = level.time;
attacker->client->lastCombatTime = level.time;
}
if ( client )
{
// save damage (w/o armor modifier), knockback
client->damage_received += damage;
client->damage_knockback += knockback;
// save damage direction
if ( dir )
{
VectorCopy( dir, client->damage_from );
client->damage_fromWorld = qfalse;
}
else
{
VectorCopy( target->r.currentOrigin, client->damage_from );
client->damage_fromWorld = qtrue;
}
// drain jetpack fuel
client->ps.stats[ STAT_FUEL ] -= damage * JETPACK_FUEL_PER_DMG;
if ( client->ps.stats[ STAT_FUEL ] < 0 )
{
client->ps.stats[ STAT_FUEL ] = 0;
}
// apply damage modifier
modifier = CalcDamageModifier( point, target, (class_t) client->ps.stats[ STAT_CLASS ], damageFlags );
take = ( int )( ( float )damage * modifier + 0.5f );
// if boosted poison every attack
if ( attacker->client &&
( attacker->client->ps.stats[ STAT_STATE ] & SS_BOOSTED ) &&
target->client->pers.team == TEAM_HUMANS &&
target->client->poisonImmunityTime < level.time )
{
switch ( mod )
{
case MOD_POISON:
case MOD_LEVEL1_PCLOUD:
case MOD_LEVEL2_ZAP:
break;
default:
target->client->ps.stats[ STAT_STATE ] |= SS_POISONED;
target->client->lastPoisonTime = level.time;
target->client->lastPoisonClient = attacker;
}
}
}
else
{
take = damage;
}
// make sure damage is done
if ( take < 1 )
{
take = 1;
}
if ( g_debugDamage.integer > 0 )
{
G_Printf( "G_Damage: %3i (%3i → %3i)\n",
take, target->health, target->health - take );
}
// do the damage
target->health = target->health - take;
if ( target->client )
{
target->client->ps.stats[ STAT_HEALTH ] = target->health;
target->client->pers.infoChangeTime = level.time; // ?
}
target->lastDamageTime = level.time;
// TODO: gentity_t->nextRegenTime only affects alien clients, remove it and use lastDamageTime
// Optionally (if needed for some reason), move into client struct and add "Alien" to name
target->nextRegenTime = level.time + ALIEN_CLIENT_REGEN_WAIT;
// handle non-self damage
if ( attacker != target )
{
if ( target->health < 0 )
{
loss = ( take + target->health );
}
else
{
loss = take;
}
if ( attacker->client )
{
// add to the attacker's account on the target
target->credits[ attacker->client->ps.clientNum ] += ( float )loss;
// notify the attacker of a hit
NotifyClientOfHit( attacker );
}
// update buildable stats
if ( attacker->s.eType == ET_BUILDABLE && attacker->health > 0 )
{
attacker->buildableStatsTotal += loss;
}
}
// handle dying target
if ( target->health <= 0 )
{
// set no knockback flag for clients
if ( client )
{
target->flags |= FL_NO_KNOCKBACK;
}
// cap negative health
if ( target->health < -999 )
{
target->health = -999;
}
// call die function
if ( target->die )
{
target->die( target, inflictor, attacker, mod );
}
// update buildable stats
if ( attacker->s.eType == ET_BUILDABLE && attacker->health > 0 )
{
attacker->buildableStatsCount++;
}
// for non-client victims, fire ON_DIE event
if( !target->client )
{
G_EventFireEntity( target, attacker, ON_DIE );
}
return;
}
else if ( target->pain )
{
target->pain( target, attacker, take );
}
}
void G_PlayerDie( gentity_t *self, gentity_t *inflictor, gentity_t *attacker, int meansOfDeath )
{
gentity_t *ent;
int anim;
int killer;
int i;
const char *killerName, *obit;
if ( self->client->ps.pm_type == PM_DEAD )
{
return;
}
if ( level.intermissiontime )
{
return;
}
self->client->ps.pm_type = PM_DEAD;
self->suicideTime = 0;
if ( attacker )
{
killer = attacker->s.number;
if ( attacker->client )
{
killerName = attacker->client->pers.netname;
}
else
{
killerName = "<world>";
}
}
else
{
killer = ENTITYNUM_WORLD;
killerName = "<world>";
}
if ( meansOfDeath < 0 || meansOfDeath >= ARRAY_LEN( modNames ) )
{
// fall back on the number
obit = va( "%d", meansOfDeath );
}
else
{
obit = modNames[ meansOfDeath ];
}
G_LogPrintf( "Die: %d %d %s: %s" S_COLOR_WHITE " killed %s\n",
killer,
( int )( self - g_entities ),
obit,
killerName,
self->client->pers.netname );
// deactivate all upgrades
for ( i = UP_NONE + 1; i < UP_NUM_UPGRADES; i++ )
{
BG_DeactivateUpgrade( i, self->client->ps.stats );
}
// broadcast the death event to everyone
ent = G_NewTempEntity( self->r.currentOrigin, EV_OBITUARY );
ent->s.eventParm = meansOfDeath;
ent->s.otherEntityNum = self->s.number;
ent->s.otherEntityNum2 = killer;
ent->r.svFlags = SVF_BROADCAST; // send to everyone
if ( attacker && attacker->client )
{
if ( ( attacker == self || G_OnSameTeam( self, attacker ) ) )
{
//punish team kills and suicides
if ( attacker->client->pers.team == TEAM_ALIENS )
{
G_AddCreditToClient( attacker->client, -ALIEN_TK_SUICIDE_PENALTY, qtrue );
G_AddCreditsToScore( attacker, -ALIEN_TK_SUICIDE_PENALTY );
}
else if ( attacker->client->pers.team == TEAM_HUMANS )
{
G_AddCreditToClient( attacker->client, -HUMAN_TK_SUICIDE_PENALTY, qtrue );
G_AddCreditsToScore( attacker, -HUMAN_TK_SUICIDE_PENALTY );
}
}
else if ( g_showKillerHP.integer )
{
trap_SendServerCommand( self - g_entities, va( "print_tr %s %s %3i", QQ( N_("Your killer, $1$^7, had $2$ HP.\n") ),
Quote( killerName ),
attacker->health ) );
}
}
else if ( attacker->s.eType != ET_BUILDABLE )
{
if ( self->client->pers.team == TEAM_ALIENS )
{
G_AddCreditsToScore( self, -ALIEN_TK_SUICIDE_PENALTY );
}
else if ( self->client->pers.team == TEAM_HUMANS )
{
G_AddCreditsToScore( self, -HUMAN_TK_SUICIDE_PENALTY );
}
}
// give credits for killing this player
G_RewardAttackers( self );
ScoreboardMessage( self ); // show scores
// send updated scores to any clients that are following this one,
// or they would get stale scoreboards
for ( i = 0; i < level.maxclients; i++ )
{
gclient_t *client;
client = &level.clients[ i ];
if ( client->pers.connected != CON_CONNECTED )
{
continue;
}
if ( client->sess.spectatorState == SPECTATOR_NOT )
{
continue;
}
if ( client->sess.spectatorClient == self->s.number )
{
ScoreboardMessage( g_entities + i );
}
}
VectorCopy( self->s.origin, self->client->pers.lastDeathLocation );
self->takedamage = qfalse; // can still be gibbed
self->s.weapon = WP_NONE;
if ( self->client->noclip )
{
self->client->cliprcontents = CONTENTS_CORPSE;
}
else
{
self->r.contents = CONTENTS_CORPSE;
}
self->s.angles[ PITCH ] = 0;
self->s.angles[ ROLL ] = 0;
self->s.angles[ YAW ] = self->s.apos.trBase[ YAW ];
LookAtKiller( self, inflictor, attacker );
VectorCopy( self->s.angles, self->client->ps.viewangles );
self->s.loopSound = 0;
self->r.maxs[ 2 ] = -8;
// don't allow respawn until the death anim is done
// g_forcerespawn may force spawning at some later time
self->client->respawnTime = level.time + 1700;
// clear misc
memset( self->client->ps.misc, 0, sizeof( self->client->ps.misc ) );
{
static int i;
if ( !( self->client->ps.persistant[ PERS_STATE ] & PS_NONSEGMODEL ) )
{
switch ( i )
{
case 0:
anim = BOTH_DEATH1;
break;
case 1:
anim = BOTH_DEATH2;
break;
case 2:
default:
anim = BOTH_DEATH3;
break;
}
}
else
{
switch ( i )
{
case 0:
anim = NSPA_DEATH1;
break;
case 1:
anim = NSPA_DEATH2;
break;
case 2:
default:
anim = NSPA_DEATH3;
break;
}
}
self->client->ps.legsAnim =
( ( self->client->ps.legsAnim & ANIM_TOGGLEBIT ) ^ ANIM_TOGGLEBIT ) | anim;
if ( !( self->client->ps.persistant[ PERS_STATE ] & PS_NONSEGMODEL ) )
{
self->client->ps.torsoAnim =
( ( self->client->ps.torsoAnim & ANIM_TOGGLEBIT ) ^ ANIM_TOGGLEBIT ) | anim;
}
// use own entityid if killed by non-client to prevent uint8_t overflow
G_AddEvent( self, EV_DEATH1 + i,
( killer < MAX_CLIENTS ) ? killer : self - g_entities );
// globally cycle through the different death animations
i = ( i + 1 ) % 3;
}
trap_LinkEntity( self );
self->client->pers.infoChangeTime = level.time;
}
void SpikerComponent::Think(int timeDelta) {
// Don't act if recovering from shot or disabled.
if (!GetAlienBuildableComponent().GetBuildableComponent().Active() || level.time < restUntil) {
lastExpectedDamage = 0.0f;
lastSensing = false;
return;
}
float expectedDamage = 0.0f;
bool sensing = false;
// Calculate expected damage to decide on the best moment to shoot.
ForEntities<HealthComponent>([&](Entity& other, HealthComponent& healthComponent) {
if (G_Team(other.oldEnt) == TEAM_NONE) return;
if (G_OnSameTeam(entity.oldEnt, other.oldEnt)) return;
if ((other.oldEnt->flags & FL_NOTARGET)) return;
if (!healthComponent.Alive()) return;
if (G_Distance(entity.oldEnt, other.oldEnt) > SPIKE_RANGE) return;
if (other.Get<BuildableComponent>()) return;
if (!G_LineOfSight(entity.oldEnt, other.oldEnt)) return;
Vec3 dorsal = Vec3::Load(entity.oldEnt->s.origin2);
Vec3 toTarget = Vec3::Load(other.oldEnt->s.origin) - Vec3::Load(entity.oldEnt->s.origin);
Vec3 otherMins = Vec3::Load(other.oldEnt->r.mins);
Vec3 otherMaxs = Vec3::Load(other.oldEnt->r.maxs);
// With a straight shot, only entities in the spiker's upper hemisphere can be hit.
// Since the spikes obey gravity, increase or decrease this radius of damage by up to
// GRAVITY_COMPENSATION_ANGLE degrees depending on the spiker's orientation.
if (Math::Dot(Math::Normalize(toTarget), dorsal) < gravityCompensation) return;
// Approximate average damage the entity would receive from spikes.
const missileAttributes_t* ma = BG_Missile(MIS_SPIKER);
float spikeDamage = ma->damage;
float distance = Math::Length(toTarget);
float bboxDiameter = Math::Length(otherMins) + Math::Length(otherMaxs);
float bboxEdge = (1.0f / M_ROOT3) * bboxDiameter; // Assumes a cube.
float hitEdge = bboxEdge + ((1.0f / M_ROOT3) * ma->size); // Add half missile edge.
float hitArea = hitEdge * hitEdge; // Approximate area resulting in a hit.
float effectArea = 2.0f * M_PI * distance * distance; // Area of a half sphere.
float damage = (hitArea / effectArea) * (float)MISSILES * spikeDamage;
// Sum up expected damage for all targets, regardless of whether they are in sense range.
expectedDamage += damage;
// Start sensing (frequent search for best moment to shoot) as soon as an enemy that can be
// damaged is close enough. Note that the Spiker will shoot eventually after it started
// sensing, and then returns to a less alert state.
if (distance < SPIKER_SENSE_RANGE && !sensing) {
sensing = true;
if (!lastSensing) {
logger.Verbose("Spiker #%i now senses an enemy and will check more frequently for "
"the best moment to shoot.", entity.oldEnt->s.number);
RegisterFastThinker();
}
}
});
bool senseLost = lastSensing && !sensing;
if (sensing || senseLost) {
bool lessDamage = (expectedDamage <= lastExpectedDamage);
bool enoughDamage = (expectedDamage >= DAMAGE_THRESHOLD);
if (sensing) {
logger.Verbose("Spiker #%i senses an enemy and expects to do %.1f damage.%s%s",
entity.oldEnt->s.number, expectedDamage, (lessDamage && !enoughDamage)
? " This has not increased, so it's time to shoot." : "", enoughDamage ?
" This is already enough, shoot now." : "");
}
if (senseLost) {
logger.Verbose("Spiker #%i lost track of all enemies after expecting to do %.1f damage."
" This makes the spiker angry, so it will shoot anyway.",
entity.oldEnt->s.number, lastExpectedDamage);
}
// Shoot when
// - a threshold was reached by the expected damage, implying a very close enemy,
// - the expected damage has decreased, witnessing a recent local maximum, or
// - whenever all viable targets have left the sense range.
// The first trigger plays around the delay in sensing a local maximum and in having the
// spikes travel towards their destination.
// The last trigger guarantees that the spiker always shoots eventually after sensing.
if (enoughDamage || (sensing && lessDamage) || senseLost) {
Fire();
}
}
lastExpectedDamage = expectedDamage;
lastSensing = sensing;
}
