dynamicarea_flare.c

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// The dummy entity which is spawned in the announcement process of Dynamic Contaminated Areas
class DynamicArea_Flare : ScriptedEntity
{
    const float FALL_SPEED = 0.5; // The speed at which this object falls ( units per second )
    const float LIFETIME = 40000; // How long this entity will stay in world
    private Particle m_Particle;
    void DynamicArea_Flare()
    {
        SetEventMask( EntityEvent.FRAME );
        SetFlags( EntityFlags.ACTIVE, false );
        
        // We create the particle effect
        m_Particle = ParticleManager.GetInstance().PlayOnObject( ParticleList.FLAREPROJ_ACTIVATE_RED, this );
        
        // We specify we will delete this object after set time
        GetGame().GetCallQueue(CALL_CATEGORY_SYSTEM).CallLater( GetGame().ObjectDeleteOnClient, LIFETIME, false, this );
    }
    
    // We slowly fall
    override void EOnFrame( IEntity other, float timeSlice )
    {
        vector newPos = GetPosition();
        newPos[1] = newPos[1] - ( FALL_SPEED * timeSlice );
        SetPosition( newPos );
    }
    
    // We delete the entity and stop the particles
    override void EEDelete( EntityAI parent )
    {
        if ( m_Particle )
            m_Particle.Stop();
    }
}