Method UpdateAttachEffects

src/Ext/Techno/Body.Update.cpp:1442–1518

Updates state of all AttachEffects on techno.

// Updates state of all AttachEffects on techno.
void TechnoExt::ExtData::UpdateAttachEffects()
{
	if (!this->AttachedEffects.size())
		return;

	auto const pThis = this->OwnerObject();
	const bool inTunnel = this->IsInTunnel || this->IsBurrowed;
	bool markForRedraw = false;
	bool altered = false;
	std::vector<std::unique_ptr<AttachEffectClass>>::iterator it;
	std::vector<WeaponTypeClass*> expireWeapons;

	for (it = this->AttachedEffects.begin(); it != this->AttachedEffects.end(); )
	{
		auto const attachEffect = it->get();

		if (!inTunnel)
			attachEffect->SetAnimationTunnelState(true);

		attachEffect->AI();

		if (attachEffect->NeedsRecalculateStat)
		{
			altered = true;
			attachEffect->NeedsRecalculateStat = false;
		}

		const bool hasExpired = attachEffect->HasExpired();
		const bool shouldDiscard = attachEffect->IsActiveIgnorePowered() && attachEffect->ShouldBeDiscardedNow();

		if (hasExpired || shouldDiscard)
		{
			auto const pType = attachEffect->GetType();
			attachEffect->ShouldBeDiscarded = false;

			if (pType->HasTint())
				markForRedraw = true;

			if (pType->Cumulative && pType->CumulativeAnimations.size() > 0)
				this->UpdateCumulativeAttachEffects(attachEffect->GetType(), attachEffect);

			if (pType->ExpireWeapon && ((hasExpired && (pType->ExpireWeapon_TriggerOn & ExpireWeaponCondition::Expire) != ExpireWeaponCondition::None)
				|| (shouldDiscard && (pType->ExpireWeapon_TriggerOn & ExpireWeaponCondition::Discard) != ExpireWeaponCondition::None)))
			{
				if (!pType->Cumulative || !pType->ExpireWeapon_CumulativeOnlyOnce || this->GetAttachedEffectCumulativeCount(pType) < 1)
					expireWeapons.push_back(pType->ExpireWeapon);
			}

			if (shouldDiscard && attachEffect->ResetIfRecreatable())
			{
				++it;
				continue;
			}

			it = this->AttachedEffects.erase(it);
			altered = true;
		}
		else