COM3D2.MeidoPhotoStudio/src/MeidoPhotoStudio.Plugin/Managers/EffectManagers/BlurEffectManager.cs

namespace MeidoPhotoStudio.Plugin;

public class BlurEffectManager : IEffectManager
{
    public const string Header = "EFFECT_BLUR";

    private float initialBlurSize;
    private int initialBlurIterations;
    private int initialDownsample;
    private float blurSize;

    public bool Ready { get; private set; }

    public bool Active { get; private set; }

    public float BlurSize
    {
        get => blurSize;
        set
        {
            blurSize = value;
            Blur.blurSize = blurSize / 10f;

            if (blurSize >= 3f)
            {
                Blur.blurSize -= 0.3f;
                Blur.blurIterations = 1;
                Blur.downsample = 1;
            }
            else
            {
                Blur.blurIterations = 0;
                Blur.downsample = 0;
            }
        }
    }

    private Blur Blur { get; set; }

    public void Activate()
    {
        if (!Blur)
        {
            Ready = true;
            Blur = GameMain.Instance.MainCamera.GetComponent<Blur>();
            initialBlurSize = Blur.blurSize;
            initialBlurIterations = Blur.blurIterations;
            initialDownsample = Blur.downsample;
        }

        SetEffectActive(false);
    }

    public void Deactivate()
    {
        BlurSize = 0f;
        Reset();
        Blur.enabled = false;
        Active = false;
    }

    public void SetEffectActive(bool active)
    {
        if (Blur.enabled = Active = active)
            BlurSize = BlurSize;
        else
            Reset();
    }

    public void Reset()
    {
        Blur.blurSize = initialBlurSize;
        Blur.blurIterations = initialBlurIterations;
        Blur.downsample = initialDownsample;
    }

    public void Update()
    {
    }
}