PlanteraShader.cs

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using System;
using Microsoft.Xna.Framework;
using ReLogic.Peripherals.RGB;
 
namespace Terraria.GameContent.RGB;
 
public class PlanteraShader : ChromaShader
{
    private readonly Vector4 _bulbColor;
 
    private readonly Vector4 _vineColor;
 
    private readonly Vector4 _backgroundColor;
 
    public PlanteraShader(Color bulbColor, Color vineColor, Color backgroundColor)
    {
        _bulbColor = bulbColor.ToVector4();
        _vineColor = vineColor.ToVector4();
        _backgroundColor = backgroundColor.ToVector4();
    }
 
    [RgbProcessor(/*Could not decode attribute arguments.*/)]
    private void ProcessLowDetail(RgbDevice device, Fragment fragment, EffectDetailLevel quality, float time)
    {
        for (int i = 0; i < fragment.Count; i++)
        {
            Vector2 canvasPositionOfIndex = fragment.GetCanvasPositionOfIndex(i);
            Vector4 vector = Vector4.Lerp(_bulbColor, _vineColor, (float)Math.Sin(time * 2f + canvasPositionOfIndex.X * 10f) * 0.5f + 0.5f);
            fragment.SetColor(i, vector);
        }
    }
 
    [RgbProcessor(/*Could not decode attribute arguments.*/)]
    private void ProcessHighDetail(RgbDevice device, Fragment fragment, EffectDetailLevel quality, float time)
    {
        for (int i = 0; i < fragment.Count; i++)
        {
            Point gridPositionOfIndex = fragment.GetGridPositionOfIndex(i);
            Vector2 canvasPositionOfIndex = fragment.GetCanvasPositionOfIndex(i);
            canvasPositionOfIndex.X -= 1.8f;
            if (canvasPositionOfIndex.X < 0f)
            {
                canvasPositionOfIndex.X *= -1f;
                gridPositionOfIndex.Y += 101;
            }
            float staticNoise = NoiseHelper.GetStaticNoise(gridPositionOfIndex.Y);
            staticNoise = (staticNoise * 5f + time * 0.4f) % 5f;
            float num = 1f;
            if (staticNoise > 1f)
            {
                num = 1f - MathHelper.Clamp((staticNoise - 0.4f - 1f) / 0.4f, 0f, 1f);
                staticNoise = 1f;
            }
            float num2 = staticNoise - canvasPositionOfIndex.X / 5f;
            Vector4 vector = _backgroundColor;
            if (num2 > 0f)
            {
                float num3 = 1f;
                if (num2 < 0.2f)
                {
                    num3 = num2 / 0.2f;
                }
                vector = (((gridPositionOfIndex.X + 7 * gridPositionOfIndex.Y) % 5 != 0) ? Vector4.Lerp(_backgroundColor, _vineColor, num3 * num) : Vector4.Lerp(_backgroundColor, _bulbColor, num3 * num));
            }
            fragment.SetColor(i, vector);
        }
    }
}