void AlienBuildableComponent::HandleDie(gentity_t* killer, meansOfDeath_t meansOfDeath) {
entity.oldEnt->powered = false;
// Warn if in main base and there's an overmind.
gentity_t *om;
if ((om = G_ActiveOvermind()) && om != entity.oldEnt && level.time > om->warnTimer
&& G_InsideBase(entity.oldEnt, true) && G_IsWarnableMOD(meansOfDeath)) {
om->warnTimer = level.time + ATTACKWARN_NEARBY_PERIOD;
G_BroadcastEvent(EV_WARN_ATTACK, 0, TEAM_ALIENS);
Beacon::NewArea(BCT_DEFEND, entity.oldEnt->s.origin, entity.oldEnt->buildableTeam);
}
// Set blast timer.
int blastDelay = 0;
if (entity.oldEnt->spawned && GetBuildableComponent().GetHealthComponent().Health() /
GetBuildableComponent().GetHealthComponent().MaxHealth() > -1.0f) {
blastDelay += GetBlastDelay();
}
alienBuildableLogger.Debug("Alien buildable dies, will blast in %i ms.", blastDelay);
GetBuildableComponent().SetState(BuildableComponent::PRE_BLAST);
GetBuildableComponent().REGISTER_THINKER(Blast, ThinkingComponent::SCHEDULER_BEFORE, blastDelay);
}
void AlienBuildableComponent::HandleDamage(float amount, gentity_t* source, Util::optional<Vec3> location,
Util::optional<Vec3> direction, int flags, meansOfDeath_t meansOfDeath) {
if (GetBuildableComponent().GetState() != BuildableComponent::CONSTRUCTED) return;
// TODO: Move animation code to BuildableComponent.
G_SetBuildableAnim(entity.oldEnt, BANIM_PAIN1, false);
}
// TODO: Move this to the client side.
void AlienBuildableComponent::CreepRecede(int timeDelta) {
alienBuildableLogger.Debug("Starting creep recede.");
G_AddEvent(entity.oldEnt, EV_BUILD_DESTROY, 0);
if (entity.oldEnt->spawned) {
entity.oldEnt->s.time = -level.time;
} else {
entity.oldEnt->s.time = -(level.time - (int)(
(float)CREEP_SCALEDOWN_TIME *
(1.0f - ((float)(level.time - entity.oldEnt->creationTime) /
(float)BG_Buildable(entity.oldEnt->s.modelindex)->buildTime)))
);
}
// Remove buildable when done.
GetBuildableComponent().REGISTER_THINKER(Remove, ThinkingComponent::SCHEDULER_AFTER, CREEP_SCALEDOWN_TIME);
GetBuildableComponent().GetThinkingComponent().UnregisterActiveThinker();
}
void AlienBuildableComponent::Blast(int timeDelta) {
float splashDamage = (float)entity.oldEnt->splashDamage;
float splashRadius = (float)entity.oldEnt->splashRadius;
meansOfDeath_t splashMOD = (meansOfDeath_t)entity.oldEnt->splashMethodOfDeath;
// Damage close humans.
Utility::AntiHumanRadiusDamage(entity, splashDamage, splashRadius, splashMOD);
// Reward attackers.
G_RewardAttackers(entity.oldEnt);
// Stop collisions, add blast event and update buildable state.
entity.oldEnt->r.contents = 0; trap_LinkEntity(entity.oldEnt);
G_AddEvent(entity.oldEnt, EV_ALIEN_BUILDABLE_EXPLOSION, DirToByte(entity.oldEnt->s.origin2));
GetBuildableComponent().SetState(BuildableComponent::POST_BLAST); // Makes entity invisible.
// Start creep recede with a brief delay.
GetBuildableComponent().REGISTER_THINKER(CreepRecede, ThinkingComponent::SCHEDULER_AVERAGE, 500);
GetBuildableComponent().GetThinkingComponent().UnregisterActiveThinker();
}
AlienBuildableComponent::AlienBuildableComponent(Entity& entity, BuildableComponent& r_BuildableComponent,
IgnitableComponent& r_IgnitableComponent)
: AlienBuildableComponentBase(entity, r_BuildableComponent, r_IgnitableComponent) {
GetBuildableComponent().REGISTER_THINKER(Think, ThinkingComponent::SCHEDULER_AVERAGE, 500);
}
bool SpikerComponent::Fire() {
gentity_t *self = entity.oldEnt;
// Check if still resting.
if (restUntil > level.time) {
logger.Verbose("Spiker #%i wanted to fire but wasn't ready.", entity.oldEnt->s.number);
return false;
} else {
logger.Verbose("Spiker #%i is firing!", entity.oldEnt->s.number);
}
// Play shooting animation.
G_SetBuildableAnim(self, BANIM_ATTACK1, false);
GetBuildableComponent().ProtectAnimation(5000);
// TODO: Add a particle effect.
//G_AddEvent(self, EV_ALIEN_SPIKER, DirToByte(self->s.origin2));
// Calculate total perimeter of all spike rows to allow for a more even spike distribution.
// A "row" is a group of missile launch directions with a common base altitude (angle measured
// from the Spiker's horizon to its zenith) which is slightly adjusted for each new missile in
// the row (at most halfway to the base altitude of a neighbouring row).
float totalPerimeter = 0.0f;
for (int row = 0; row < MISSILEROWS; row++) {
float rowAltitude = (((float)row + 0.5f) * M_PI_2) / (float)MISSILEROWS;
float rowPerimeter = 2.0f * M_PI * cos(rowAltitude);
totalPerimeter += rowPerimeter;
}
// TODO: Use new vector library.
vec3_t dir, zenith, rotAxis;
// As rotation axis for setting the altitude, any vector perpendicular to the zenith works.
VectorCopy(self->s.origin2, zenith);
PerpendicularVector(rotAxis, zenith);
// Distribute and launch missiles.
for (int row = 0; row < MISSILEROWS; row++) {
// Set the base altitude and get the perimeter for the current row.
float rowAltitude = (((float)row + 0.5f) * M_PI_2) / (float)MISSILEROWS;
float rowPerimeter = 2.0f * M_PI * cos(rowAltitude);
// Attempt to distribute spikes with equal expected angular distance on all rows.
int spikes = (int)round(((float)MISSILES * rowPerimeter) / totalPerimeter);
// Launch missiles in the current row.
for (int spike = 0; spike < spikes; spike++) {
float spikeAltitude = rowAltitude + (0.5f * crandom() * M_PI_2 / (float)MISSILEROWS);
float spikeAzimuth = 2.0f * M_PI * (((float)spike + 0.5f * crandom()) / (float)spikes);
// Set launch direction altitude.
RotatePointAroundVector(dir, rotAxis, zenith, RAD2DEG(M_PI_2 - spikeAltitude));
// Set launch direction azimuth.
RotatePointAroundVector(dir, zenith, dir, RAD2DEG(spikeAzimuth));
// Trace in the shooting direction and do not shoot spikes that are likely to harm
// friendly entities.
bool fire = SafeToShoot(Vec3::Load(dir));
logger.Debug("Spiker #%d %s: Row %d/%d: Spike %2d/%2d: "
"( Alt %2.0f°, Az %3.0f° → %.2f, %.2f, %.2f )", self->s.number,
fire ? "fires" : "skips", row + 1, MISSILEROWS, spike + 1, spikes,
RAD2DEG(spikeAltitude), RAD2DEG(spikeAzimuth), dir[0], dir[1], dir[2]);
if (!fire) {
continue;
}
G_SpawnMissile(
MIS_SPIKER, self, self->s.origin, dir, nullptr, G_FreeEntity,
level.time + (int)(1000.0f * SPIKE_RANGE / (float)BG_Missile(MIS_SPIKER)->speed));
}
}
restUntil = level.time + COOLDOWN;
RegisterSlowThinker();
return true;
}
