UIColoredSliderSimple.cs

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using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Terraria.UI;
 
namespace Terraria.GameContent.UI.Elements;
 
public class UIColoredSliderSimple : UIElement
{
    public float FillPercent;
 
    public Color FilledColor = Main.OurFavoriteColor;
 
    public Color EmptyColor = Color.Black;
 
    protected override void DrawSelf(SpriteBatch spriteBatch)
    {
        DrawValueBarDynamicWidth(spriteBatch);
    }
 
    private void DrawValueBarDynamicWidth(SpriteBatch sb)
    {
        Texture2D value = TextureAssets.ColorBar.Value;
        Rectangle rectangle = GetDimensions().ToRectangle();
        Rectangle rectangle2 = new Rectangle(5, 4, 4, 4);
        Utils.DrawSplicedPanel(sb, value, rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height, rectangle2.X, rectangle2.Width, rectangle2.Y, rectangle2.Height, Color.White);
        Rectangle rectangle3 = rectangle;
        rectangle3.X += rectangle2.Left;
        rectangle3.Width -= rectangle2.Right;
        rectangle3.Y += rectangle2.Top;
        rectangle3.Height -= rectangle2.Bottom;
        Texture2D value2 = TextureAssets.MagicPixel.Value;
        Rectangle value3 = new Rectangle(0, 0, 1, 1);
        sb.Draw(value2, rectangle3, value3, EmptyColor);
        Rectangle destinationRectangle = rectangle3;
        destinationRectangle.Width = (int)((float)destinationRectangle.Width * FillPercent);
        sb.Draw(value2, destinationRectangle, value3, FilledColor);
    }
}