SCR_AIProvideAmmoBehavior.c

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class SCR_AIProvideAmmoBehavior : SCR_AIBehaviorBase
{
    protected float MOVE_COMPLETION_RADIUS = 10;
    
    static const string AMMO_CONSUMER_ENTITY_PORT = "AmmoConsumerEntity";
    static const string MAGAZINE_WELL_TYPE_PORT = "MagazineWellType";
    
    ref SCR_BTParam<IEntity> m_AmmoConsumer = new SCR_BTParam<IEntity>(AMMO_CONSUMER_ENTITY_PORT);
    ref SCR_BTParam<typename> m_MagazineWellType = new SCR_BTParam<typename>(MAGAZINE_WELL_TYPE_PORT);
    
    ref SCR_AIMoveIndividuallyBehavior m_MoveBehavior;
    
    //------------------------------------------------------------------------------------------------------------------------------------
    void SCR_AIProvideAmmoBehavior(SCR_AIUtilityComponent utility, SCR_AIActivityBase groupActivity,
        IEntity ammoConsumer, typename magazineWellType, float priorityLevel = PRIORITY_LEVEL_NORMAL)
    {
        SetPriority(SCR_AIActionBase.PRIORITY_BEHAVIOR_PROVIDE_AMMO);
        m_fPriorityLevel.m_Value = priorityLevel;
        m_sBehaviorTree = "{ADA6E7C5BC3C8C8D}AI/BehaviorTrees/Chimera/Soldier/ProvideAmmo.bt";
        
        m_AmmoConsumer.Init(this, ammoConsumer);
        m_MagazineWellType.Init(this, magazineWellType);
        
        if (!utility)
            return;
        
        float movePriority = GetPriority() + 0.1;
        m_MoveBehavior = new SCR_AIMoveIndividuallyBehavior(utility, groupActivity, vector.Zero, priority : movePriority, priorityLevel: priorityLevel, ent: ammoConsumer, radius: 30.0);
        utility.AddAction(m_MoveBehavior);
    }
    
    //------------------------------------------------------------------------------------------------------------------------------------
    override float CustomEvaluate()
    {
        // Fail is our ammo consumer is not alive any more
        if(!SCR_AIDamageHandling.IsAlive(m_AmmoConsumer.m_Value))
        {
            Fail();
            if (m_MoveBehavior)
                m_MoveBehavior.Fail();
            return 0;
        }
        
        return GetPriority();
    }
    
    //------------------------------------------------------------------------------------------------------------------------------------
    override void OnActionCompleted()
    {
        super.OnActionCompleted();
        if (m_MoveBehavior)
            m_MoveBehavior.Complete();
    }
    
    //------------------------------------------------------------------------------------------------------------------------------------
    override void OnActionFailed()
    {
        super.OnActionFailed();
        if (m_MoveBehavior)
            m_MoveBehavior.Fail();
    }
}
 
class SCR_AIGetProvideAmmoBehaviorParameters : SCR_AIGetActionParameters
{
    static ref TStringArray s_aVarsOut = (new SCR_AIProvideAmmoBehavior(null, null, null, BaseMagazineWell)).GetPortNames();
    override TStringArray GetVariablesOut() { return s_aVarsOut; }
    
    override bool VisibleInPalette() { return true; }
};