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;
  }
}