UIIconTextButton.cs

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using System;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using ReLogic.Content;
using Terraria.Audio;
using Terraria.ID;
using Terraria.Localization;
using Terraria.UI;
 
namespace Terraria.GameContent.UI.Elements;
 
public class UIIconTextButton : UIElement
{
    private readonly Asset<Texture2D> _BasePanelTexture;
 
    private readonly Asset<Texture2D> _hoveredTexture;
 
    private readonly Asset<Texture2D> _iconTexture;
 
    private Color _color;
 
    private Color _hoverColor;
 
    public float FadeFromBlack = 1f;
 
    private float _whiteLerp = 0.7f;
 
    private float _opacity = 0.7f;
 
    private bool _hovered;
 
    private bool _soundedHover;
 
    private UIText _title;
 
    public UIIconTextButton(LocalizedText title, Color textColor, string iconTexturePath, float textSize = 1f, float titleAlignmentX = 0.5f, float titleWidthReduction = 10f)
    {
        Width = StyleDimension.FromPixels(44f);
        Height = StyleDimension.FromPixels(34f);
        _hoverColor = Color.White;
        _BasePanelTexture = Main.Assets.Request<Texture2D>("Images/UI/CharCreation/PanelGrayscale", (AssetRequestMode)1);
        _hoveredTexture = Main.Assets.Request<Texture2D>("Images/UI/CharCreation/CategoryPanelHighlight", (AssetRequestMode)1);
        if (iconTexturePath != null)
        {
            _iconTexture = Main.Assets.Request<Texture2D>(iconTexturePath, (AssetRequestMode)1);
        }
        SetColor(Color.Lerp(Color.Black, Colors.InventoryDefaultColor, FadeFromBlack), 1f);
        if (title != null)
        {
            SetText(title, textSize, textColor);
        }
    }
 
    public void SetText(LocalizedText text, float textSize, Color color)
    {
        if (_title != null)
        {
            _title.Remove();
        }
        UIText uIText = new UIText(text, textSize)
        {
            HAlign = 0f,
            VAlign = 0.5f,
            Top = StyleDimension.FromPixels(0f),
            Left = StyleDimension.FromPixelsAndPercent(10f, 0f),
            IgnoresMouseInteraction = true
        };
        uIText.TextColor = color;
        Append(uIText);
        _title = uIText;
        if (_iconTexture != null)
        {
            Width.Set(_title.GetDimensions().Width + (float)_iconTexture.Width() + 26f, 0f);
            Height.Set(Math.Max(_title.GetDimensions().Height, _iconTexture.Height()) + 16f, 0f);
        }
    }
 
    protected override void DrawSelf(SpriteBatch spriteBatch)
    {
        if (_hovered)
        {
            if (!_soundedHover)
            {
                SoundEngine.PlaySound(12);
            }
            _soundedHover = true;
        }
        else
        {
            _soundedHover = false;
        }
        CalculatedStyle dimensions = GetDimensions();
        Color color = _color;
        float opacity = _opacity;
        Utils.DrawSplicedPanel(spriteBatch, _BasePanelTexture.Value, (int)dimensions.X, (int)dimensions.Y, (int)dimensions.Width, (int)dimensions.Height, 10, 10, 10, 10, Color.Lerp(Color.Black, color, FadeFromBlack) * opacity);
        if (_iconTexture != null)
        {
            Color color2 = Color.Lerp(color, Color.White, _whiteLerp) * opacity;
            spriteBatch.Draw(_iconTexture.Value, new Vector2(dimensions.X + dimensions.Width - (float)_iconTexture.Width() - 5f, dimensions.Center().Y - (float)(_iconTexture.Height() / 2)), color2);
        }
    }
 
    public override void LeftMouseDown(UIMouseEvent evt)
    {
        SoundEngine.PlaySound(12);
        base.LeftMouseDown(evt);
    }
 
    public override void MouseOver(UIMouseEvent evt)
    {
        base.MouseOver(evt);
        SetColor(Color.Lerp(Colors.InventoryDefaultColor, Color.White, _whiteLerp), 0.7f);
        _hovered = true;
    }
 
    public override void MouseOut(UIMouseEvent evt)
    {
        base.MouseOut(evt);
        SetColor(Color.Lerp(Color.Black, Colors.InventoryDefaultColor, FadeFromBlack), 1f);
        _hovered = false;
    }
 
    public void SetColor(Color color, float opacity)
    {
        _color = color;
        _opacity = opacity;
    }
 
    public void SetHoverColor(Color color)
    {
        _hoverColor = color;
    }
}