SCR_AICombatTargetGetterTask.c

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class SCR_AICombatTargetGetterTask : AITaskScripted
{
    protected SCR_AICombatComponent m_CombatComponent;
    
    protected static const string ENEMY_ENTITY_PORT         = "EntityOut";
    protected static const string ENEMY_LAST_SEEN_POS_PORT  = "EntityLastSeenPos";
    protected static const string ENEMY_LAST_SEEN_TIME_PORT = "EntityLastSeenTime";
    protected static const string ENEMY_TARGET_INFO_PORT    = "TargetInfoOut";
    
    ref SCR_AITargetInfo m_TargetInfo;
    
    //-------------------------------------------------------------------------------------------
    protected override void OnInit(AIAgent owner)
    {
        m_CombatComponent = SCR_AICombatComponent.Cast(owner.GetControlledEntity().FindComponent(SCR_AICombatComponent));
    }
    
    //-------------------------------------------------------------------------------------------
    protected BaseTarget GetEnemy(SCR_AICombatComponent combatComp);
    
    
    //-------------------------------------------------------------------------------------------
    protected override ENodeResult EOnTaskSimulate(AIAgent owner, float dt)
    {
        if (!m_CombatComponent)
            return ENodeResult.FAIL;
        
        BaseTarget targetEnemy = GetEnemy(m_CombatComponent);
        
        if (!targetEnemy)
            return Fail();
        
        IEntity entEnemy = targetEnemy.GetTargetEntity();
        
        if (!entEnemy)
            return Fail();
        
        m_TargetInfo = new SCR_AITargetInfo();
        m_TargetInfo.Init(entEnemy, worldPos: targetEnemy.GetLastSeenPosition(), timestamp: targetEnemy.GetTimeLastSeen());
        
        SetVariableOut(ENEMY_ENTITY_PORT, entEnemy);
        SetVariableOut(ENEMY_LAST_SEEN_POS_PORT, m_TargetInfo.m_vWorldPos);
        SetVariableOut(ENEMY_LAST_SEEN_TIME_PORT, m_TargetInfo.m_fTimestamp);
        SetVariableOut(ENEMY_TARGET_INFO_PORT, m_TargetInfo);
        return ENodeResult.SUCCESS;
    }
    
    //-------------------------------------------------------------------------------------------
    protected ENodeResult Fail()
    {
        IEntity _enemy;
        SetVariableOut(ENEMY_ENTITY_PORT, _enemy); // must be null to make deco test NotNull work <- unassigned variable does not 
        ClearVariable(ENEMY_LAST_SEEN_POS_PORT);
        ClearVariable(ENEMY_LAST_SEEN_TIME_PORT);
        ClearVariable(ENEMY_TARGET_INFO_PORT);
        return ENodeResult.FAIL;
    }
    
    //-------------------------------------------------------------------------------------------
    static ref TStringArray s_aVarsOut =
    {
        ENEMY_ENTITY_PORT,
        ENEMY_LAST_SEEN_POS_PORT,
        ENEMY_LAST_SEEN_TIME_PORT,
        ENEMY_TARGET_INFO_PORT
    };
    protected override TStringArray GetVariablesOut()
    {
        return s_aVarsOut;
    }
    
    //-------------------------------------------------------------------------------------------
    static override bool VisibleInPalette() {return false;}
};
 
 
class SCR_AIGetCurrentEnemy: SCR_AICombatTargetGetterTask
{
    //-------------------------------------------------------------------------------------------
    protected static override string GetOnHoverDescription()
    {
        return "Returns current enemy from SCR_AICombatComponent.GetCurrentTarget()";
    }
    
    //-------------------------------------------------------------------------------------------
    override protected BaseTarget GetEnemy(SCR_AICombatComponent combatComp)
    {
        return combatComp.GetCurrentTarget();
    }
    
    //-------------------------------------------------------------------------------------------
    static override bool VisibleInPalette() {return true;}
};
 
 
class SCR_AIGetLastSeenEnemy: SCR_AICombatTargetGetterTask
{
    //-------------------------------------------------------------------------------------------
    protected static override string GetOnHoverDescription()
    {
        return "Returns current enemy from SCR_AICombatComponent.GetLastSeenEnemy()";
    }
    
    //-------------------------------------------------------------------------------------------
    override protected BaseTarget GetEnemy(SCR_AICombatComponent combatComp)
    {
        return combatComp.GetLastSeenEnemy();
    }
    
    //-------------------------------------------------------------------------------------------
    static override bool VisibleInPalette() {return true;}
};