SCR_FuelHitZone.c

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class SCR_FuelHitZone : SCR_DestructibleHitzone
{
    [Attribute(defvalue: "1", uiwidget: UIWidgets.Auto, desc: "Fuel Tank ID", category: "Fuel Damage Config")]
    protected int m_iFuelTankID;
 
    [Attribute(EVehicleHitZoneGroup.FUEL_TANKS.ToString(), UIWidgets.ComboBox, enums: ParamEnumArray.FromEnum(EVehicleHitZoneGroup))]
    protected EVehicleHitZoneGroup m_eHitZoneGroup;
 
    protected SCR_FuelNode m_FuelTank;
 
    //------------------------------------------------------------------------------------------------
    override EHitZoneGroup GetHitZoneGroup()
    {
        return m_eHitZoneGroup;
    }
 
    //------------------------------------------------------------------------------------------------
    override void OnInit(IEntity pOwnerEntity, GenericComponent pManagerComponent)
    {
        super.OnInit(pOwnerEntity, pManagerComponent);
 
        SetFuelNodeID(m_iFuelTankID);
    }
 
    //------------------------------------------------------------------------------------------------
    void UpdateFuelTankState()
    {
        if (!m_FuelTank)
            return;
 
        EDamageState state = GetDamageState();
        float health = GetDamageStateThreshold(state);
        m_FuelTank.SetHealth(health);
    }
 
    //------------------------------------------------------------------------------------------------
    SCR_FuelNode GetFuelTank()
    {
        return m_FuelTank;
    }
 
    //------------------------------------------------------------------------------------------------
    int GetFuelTankID()
    {
        return m_iFuelTankID;
    }
 
    //------------------------------------------------------------------------------------------------
    void SetFuelNodeID(int fuelNodeID)
    {
        m_iFuelTankID = fuelNodeID;
 
        FuelManagerComponent fuelManager = FuelManagerComponent.Cast(GetOwner().FindComponent(FuelManagerComponent));
        if (!fuelManager)
            return;
 
        SCR_FuelNode scrFuelNode;
        array<BaseFuelNode> fuelNodes = {};
        fuelManager.GetFuelNodesList(fuelNodes);
        foreach (BaseFuelNode fuelNode : fuelNodes)
        {
            scrFuelNode = SCR_FuelNode.Cast(fuelNode);
            if (scrFuelNode && scrFuelNode.GetFuelTankID() == m_iFuelTankID)
            {
                m_FuelTank = scrFuelNode;
                break;
            }
        }
 
        UpdateFuelTankState();
    }
 
    //------------------------------------------------------------------------------------------------
    override void OnDamageStateChanged()
    {
        super.OnDamageStateChanged();
 
        UpdateFuelTankState();
    }
 
    //------------------------------------------------------------------------------------------------
    override float GetSecondaryExplosionScale()
    {
        // Truck addon fuel cargo that does not have its own health
        float damage;
        if (GetBaseDamageMultiplier() == 0 && GetHitZoneContainer().GetDefaultHitZone() == this)
            damage = 1;
        else
            damage = 1 - GetDamageStateThreshold(GetDamageState());
 
        // TODO: Curve based on fuel to air ratio
        return m_FuelTank.GetFuel() * damage;
    }
}