UIImageButton.cs

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using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using ReLogic.Content;
using Terraria.Audio;
using Terraria.UI;
 
namespace Terraria.GameContent.UI.Elements;
 
public class UIImageButton : UIElement
{
    private Asset<Texture2D> _texture;
 
    private float _visibilityActive = 1f;
 
    private float _visibilityInactive = 0.4f;
 
    private Asset<Texture2D> _borderTexture;
 
    public UIImageButton(Asset<Texture2D> texture)
    {
        _texture = texture;
        Width.Set(_texture.Width(), 0f);
        Height.Set(_texture.Height(), 0f);
    }
 
    public void SetHoverImage(Asset<Texture2D> texture)
    {
        _borderTexture = texture;
    }
 
    public void SetImage(Asset<Texture2D> texture)
    {
        _texture = texture;
        Width.Set(_texture.Width(), 0f);
        Height.Set(_texture.Height(), 0f);
    }
 
    protected override void DrawSelf(SpriteBatch spriteBatch)
    {
        CalculatedStyle dimensions = GetDimensions();
        spriteBatch.Draw(_texture.Value, dimensions.Position(), Color.White * (base.IsMouseHovering ? _visibilityActive : _visibilityInactive));
        if (_borderTexture != null && base.IsMouseHovering)
        {
            spriteBatch.Draw(_borderTexture.Value, dimensions.Position(), Color.White);
        }
    }
 
    public override void MouseOver(UIMouseEvent evt)
    {
        base.MouseOver(evt);
        SoundEngine.PlaySound(12);
    }
 
    public override void MouseOut(UIMouseEvent evt)
    {
        base.MouseOut(evt);
    }
 
    public void SetVisibility(float whenActive, float whenInactive)
    {
        _visibilityActive = MathHelper.Clamp(whenActive, 0f, 1f);
        _visibilityInactive = MathHelper.Clamp(whenInactive, 0f, 1f);
    }
}