FireDamageSystem.c

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class FireDamageSystem : GameSystem
{
    override static void InitInfo(WorldSystemInfo outInfo)
    {
        outInfo
            .SetAbstract(false)
            .AddPoint(ESystemPoint.FixedFrame);
    }
 
    protected ref array<SCR_DamageManagerComponent> m_aDamageManagers = {};
 
    //------------------------------------------------------------------------------------------------
    override bool ShouldBePaused()
    {
        return true;
    }
 
    //------------------------------------------------------------------------------------------------
    protected override void OnUpdatePoint(WorldUpdatePointArgs args)
    {
        float timeSlice = args.GetTimeSliceSeconds();
 
        foreach (SCR_DamageManagerComponent component : m_aDamageManagers)
        {
            if (component)
                component.UpdateFireDamage(timeSlice);
        }
    }
 
    //------------------------------------------------------------------------------------------------
    override void OnDiag(float timeSlice)
    {
        DbgUI.Begin("FireDamageSystem");
 
        DbgUI.Text("Damage managers: " + m_aDamageManagers.Count());
 
        if (DbgUI.Button("Dump active fire damage manager components"))
        {
            foreach (SCR_DamageManagerComponent component : m_aDamageManagers)
            {
                Print(component.GetOwner(), LogLevel.ERROR);
            }
        }
 
        DbgUI.End();
    }
 
    //------------------------------------------------------------------------------------------------
    void Register(SCR_DamageManagerComponent component)
    {
        //About to be deleted
        if (component.GetOwner().IsDeleted() || (component.GetOwner().GetFlags() & EntityFlags.USER5))
            return;
        
        if (!m_aDamageManagers.Contains(component))
            m_aDamageManagers.Insert(component);
    }
 
    //------------------------------------------------------------------------------------------------
    void Unregister(SCR_DamageManagerComponent component)
    {
        m_aDamageManagers.RemoveItem(component);
 
        // Final update
        if (component)
            component.UpdateFireDamage(GetWorld().GetFixedTimeSlice());
    }
}