enginesmoke.c

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class EffEngineSmoke : EffVehicleSmoke
{
    private float m_Time;
    static private float m_UpdateInterval = 2;
    
    void EffEngineSmoke()
    {
        SetEnableEventFrame(true);
    }
    
    override void SetParticleStateLight()
    {
        SetParticleState( ParticleList.HATCHBACK_ENGINE_OVERHEATING );
    }
    
    override void SetParticleStateHeavy()
    {
        SetParticleState( ParticleList.HATCHBACK_ENGINE_OVERHEATED );
    }
    
    override void Event_OnFrameUpdate(float time_delta)
    {
        m_Time += time_delta;
        
        if (m_Time >= m_UpdateInterval)
        {
            m_Time = 0;
            
            Car parent = Car.Cast( GetAttachmentParent() );
                
            if (parent)
            {
                Particle p = GetParticle();
                if (p)
                {
                    SetParticleState( p.GetParticleID() );
                    
                    float speed = parent.GetSpeedometerAbsolute();
                    float lifetime_scale;
                        
                    if (speed < 100)
                        lifetime_scale = (100 - speed) / 100;
                    else
                        lifetime_scale = 0.1;
                        
                    float birthrate_scale = 1 + (speed * 0.02 );
                        
                    p.ScaleParticleParamFromOriginal( EmitorParam.LIFETIME, lifetime_scale );
                    p.ScaleParticleParamFromOriginal( EmitorParam.LIFETIME_RND, lifetime_scale );
                    p.ScaleParticleParamFromOriginal( EmitorParam.BIRTH_RATE, birthrate_scale );
                    p.ScaleParticleParamFromOriginal( EmitorParam.BIRTH_RATE_RND, birthrate_scale );
                }
            }
        }
    }
}