MaterialCinematicTrack.c

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[CinematicTrackAttribute(name:"Material Animation Track", description:"Track used for animating materials")]
class MaterialCinematicTrack : CinematicTrackBase
{
    [Attribute("0.0")]
    float m_Emissivity;
    
    private GameEntity m_GeneralEntity;
    private World globalWorld;
    
    override void OnInit(World world)
    {
        // Find particle entity by using name of track
        findEntity(world);
        globalWorld = world;
    }
    
    void findEntity(World world)
    {
        // Find particle entity by using name of track
        TStringArray strs = new TStringArray;
        GetTrackName().Split("_", strs, true);
        
        m_GeneralEntity = GameEntity.Cast(world.FindEntityByName(strs.Get(0)));
    }
    
    override void OnApply(float time)
    {
        
        if (globalWorld)
        {
            //Finding effect entity each frame for keep working in edit time
            findEntity(globalWorld);
        }
        
        if (m_GeneralEntity)
        {           
                
            ParametricMaterialInstanceComponent paramMat = ParametricMaterialInstanceComponent.Cast(m_GeneralEntity.FindComponent(ParametricMaterialInstanceComponent));
            
            if (paramMat)
                paramMat.SetEmissiveMultiplier(m_Emissivity);
        }
    }
}