pperspooky.c

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// PPE when player is in spooky area trigger
class PPERequester_SpookyAreaTint extends PPERequester_GameplayBase
{
    protected vector m_StartRGB = vector.Zero;
    protected float m_AccumulatedTime = 0;
    protected bool m_FadeIn = false;
    protected bool m_FadeOut = false;
    
    const float FADE_TIME = 3;
    // the end result is 1 - the value set here
    const float R_TARGET = 0.60; // 0.31  79   129 0.50
    const float G_TARGET = 0.28; // 0.80 204   184 0.72
    const float B_TARGET = 0.07; // 0.95 242   239 0.93
    
    override protected void OnStart( Param par = null )
    {
        super.OnStart( par );
        
        m_AccumulatedTime = 0;
        
        m_FadeIn = true;
        m_FadeOut = false;
        
        SetTargetValueFloat(PostProcessEffectType.FilmGrain,PPEFilmGrain.PARAM_SHARPNESS,false,10.0,PPEFilmGrain.L_1_TOXIC_TINT,PPOperators.HIGHEST);
        SetTargetValueFloat(PostProcessEffectType.FilmGrain,PPEFilmGrain.PARAM_GRAINSIZE,false,1.0,PPEFilmGrain.L_2_TOXIC_TINT,PPOperators.LOWEST);
    }
    
    override protected void OnUpdate( float delta )
    {
        super.OnUpdate( delta );
        
        if ( m_FadeIn && m_AccumulatedTime <= FADE_TIME )
        {
            m_AccumulatedTime += delta;
        
            m_StartRGB[0] = 1 - FadeColourMult( 0, 1, m_AccumulatedTime / FADE_TIME ) * R_TARGET;
            m_StartRGB[1] = 1 - FadeColourMult( 0, 1, m_AccumulatedTime / FADE_TIME ) * G_TARGET;
            m_StartRGB[2] = 1 - FadeColourMult( 0, 1, m_AccumulatedTime / FADE_TIME ) * B_TARGET;
            
            SetTargetValueColor(PostProcessEffectType.Glow,PPEGlow.PARAM_COLORIZATIONCOLOR,{m_StartRGB[0], m_StartRGB[1], m_StartRGB[2], 0.0},PPEGlow.L_23_TOXIC_TINT,PPOperators.MULTIPLICATIVE);
        }
        
        if ( m_FadeOut )
        {
            if (m_AccumulatedTime <= FADE_TIME)
            {
                m_AccumulatedTime += delta;
            
                m_StartRGB[0] = ( 1 - R_TARGET ) + FadeColourMult( 0, R_TARGET, m_AccumulatedTime / FADE_TIME );
                m_StartRGB[1] = ( 1 - G_TARGET ) + FadeColourMult( 0, G_TARGET, m_AccumulatedTime / FADE_TIME );
                m_StartRGB[2] = ( 1 - B_TARGET ) + FadeColourMult( 0, B_TARGET, m_AccumulatedTime / FADE_TIME );
                
                SetTargetValueColor(PostProcessEffectType.Glow,PPEGlow.PARAM_COLORIZATIONCOLOR,{m_StartRGB[0], m_StartRGB[1], m_StartRGB[2], 0.0},PPEGlow.L_23_TOXIC_TINT,PPOperators.MULTIPLICATIVE);
            }
            else
            {
                Stop(); //proper termination after a fadeout
            }
        }
    }
    
    override void OnStop(Param par = null)
    {
        m_FadeIn = false;
        m_FadeOut = false;
        Param1<bool> p;
        
        if (par && Class.CastTo(p,par))
            m_FadeOut = p.param1;
        
        m_AccumulatedTime = 0;
        
        super.OnStop(par);
    }
    
    // Lerped multiplier for RGBA values
    protected float FadeColourMult( float x, float y, float deltaT )
    {
        float output;
        output = Math.Lerp( x, y, deltaT );
        Easing.EaseInOutSine( output );
        return output;
    }
}