Customize whether unit's weapon can switch by passenger count

src/Ext/Techno/Body.Update.cpp

@@ -16,6 +16,7 @@ void TechnoExt::OnEarlyUpdate()
 {
 	this->UpdateShield();
 	this->UpdateAttachEffects();
+	this->UpdatePassengerTurretWeapon();
 	this->EatPassengers();
 	this->ApplySpawnLimitRange();
 	this->ApplyMindControlRangeLimit();
@@ -232,6 +233,28 @@ bool TechnoExt::CheckDeathConditions(bool isInLimbo)
 	return false;
 }
 
+void TechnoExt::UpdatePassengerTurretWeapon() const
+{
+	const auto pTypeExt = this->TypeExtData;
+
+	if (!pTypeExt->PassengerTurret)
+		return;
+
+	const auto pThis = this->OwnerObject();
+	const int numPassengers = pThis->Passengers.NumPassengers;
+
+	if (pTypeExt->PassengerTurretWeapon)
+	{
+		const auto TechnoClass_SetTurret = reinterpret_cast<void(__thiscall*)(TechnoClass*, int)>(0x70DC70);
+		TechnoClass_SetTurret(pThis, numPassengers);
+	}
+	else
+	{
+		const auto pType = pTypeExt->OwnerObject();
+		pThis->CurrentTurretNumber = std::min(pType->TurretCount - 1, std::min(numPassengers, TechnoTypeClass::MaxWeapons - 1));
+	}
+}
+
 void TechnoExt::EatPassengers()
 {
 	auto const pTypeExt = this->TypeExtData;

src/Ext/Techno/Body.h

@@ -158,6 +158,7 @@ class TechnoExt : public RadioExt, public Detach::Listener<AirstrikeClass>
 
 	void ApplyInterceptor();
 	bool CheckDeathConditions(bool isInLimbo = false);
+	void UpdatePassengerTurretWeapon() const;
 	void EatPassengers();
 	void UpdateShield();
 	void ApplySpawnLimitRange();

src/Ext/TechnoType/Body.cpp

@@ -947,6 +947,9 @@ void TechnoTypeExt::LoadFromINIFile(CCINIClass* const pINI)
 	this->Passengers_SyncOwner.Read(exINI, pSection, "Passengers.SyncOwner");
 	this->Passengers_SyncOwner_RevertOnExit.Read(exINI, pSection, "Passengers.SyncOwner.RevertOnExit");
 
+	this->PassengerTurret.Read(exINI, pSection, "PassengerTurret");
+	this->PassengerTurretWeapon.Read(exINI, pSection, "PassengerTurretWeapon");
+
 	this->IronCurtain_KeptOnDeploy.Read(exINI, pSection, "IronCurtain.KeptOnDeploy");
 	this->IronCurtain_Effect.Read(exINI, pSection, "IronCurtain.Effect");
 	this->IronCurtain_KillWarhead.Read<true>(exINI, pSection, "IronCurtain.KillWarhead");
@@ -1584,6 +1587,9 @@ void TechnoTypeExt::Serialize(T& Stm)
 		.Process(this->Passengers_SyncOwner)
 		.Process(this->Passengers_SyncOwner_RevertOnExit)
 
+		.Process(this->PassengerTurret)
+		.Process(this->PassengerTurretWeapon)
+
 		.Process(this->IronCurtain_KeptOnDeploy)
 		.Process(this->IronCurtain_Effect)
 		.Process(this->IronCurtain_KillWarhead)

src/Ext/TechnoType/Body.h

@@ -199,6 +199,9 @@ class TechnoTypeExt : public ObjectTypeExt
 	Nullable<bool> Passengers_SyncOwner;
 	Nullable<bool> Passengers_SyncOwner_RevertOnExit;
 
+	Valueable<bool> PassengerTurret;
+	Valueable<bool> PassengerTurretWeapon;
+
 	Nullable<bool> IronCurtain_KeptOnDeploy;
 	Nullable<IronCurtainEffect> IronCurtain_Effect;
 	Nullable<WarheadTypeClass*> IronCurtain_KillWarhead;
@@ -608,6 +611,9 @@ class TechnoTypeExt : public ObjectTypeExt
 		, Passengers_SyncOwner {}
 		, Passengers_SyncOwner_RevertOnExit {}
 
+		, PassengerTurret { false }
+		, PassengerTurretWeapon { false }
+
 		, IronCurtain_KeptOnDeploy {}
 		, IronCurtain_Effect {}
 		, IronCurtain_KillWarhead {}