UIImageWithBorder.cs

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using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using ReLogic.Content;
using Terraria.UI;
 
namespace Terraria.GameContent.UI.Elements;
 
public class UIImageWithBorder : UIImage
{
    private Asset<Texture2D> _borderTexture;
 
    private Texture2D _nonReloadingBorderTexture;
 
    public UIImageWithBorder(Asset<Texture2D> texture, Asset<Texture2D> borderTexture)
        : base(texture)
    {
        SetBorder(borderTexture);
    }
 
    public UIImageWithBorder(Texture2D nonReloadingTexture, Texture2D nonReloadingBorderTexture)
        : base(nonReloadingTexture)
    {
        SetBorder(nonReloadingBorderTexture);
    }
 
    public void SetBorder(Asset<Texture2D> texture)
    {
        _borderTexture = texture;
        _nonReloadingBorderTexture = null;
        Width.Set(_borderTexture.Width(), 0f);
        Height.Set(_borderTexture.Height(), 0f);
    }
 
    public void SetBorder(Texture2D nonReloadingTexture)
    {
        _borderTexture = null;
        _nonReloadingBorderTexture = nonReloadingTexture;
        Width.Set(_nonReloadingBorderTexture.Width, 0f);
        Height.Set(_nonReloadingBorderTexture.Height, 0f);
    }
 
    protected override void DrawSelf(SpriteBatch spriteBatch)
    {
        base.DrawSelf(spriteBatch);
        CalculatedStyle dimensions = GetDimensions();
        Texture2D texture2D = null;
        if (_borderTexture != null)
        {
            texture2D = _borderTexture.Value;
        }
        if (_nonReloadingBorderTexture != null)
        {
            texture2D = _nonReloadingBorderTexture;
        }
        if (ScaleToFit)
        {
            spriteBatch.Draw(texture2D, dimensions.ToRectangle(), Color);
            return;
        }
        Vector2 vector = texture2D.Size();
        Vector2 vector2 = dimensions.Position() + vector * (1f - ImageScale) / 2f + vector * NormalizedOrigin;
        if (RemoveFloatingPointsFromDrawPosition)
        {
            vector2 = vector2.Floor();
        }
        spriteBatch.Draw(texture2D, vector2, null, Color, Rotation, vector * NormalizedOrigin, ImageScale, SpriteEffects.None, 0f);
    }
}