UIDifficultyButton.cs

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using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using ReLogic.Content;
using Terraria.Audio;
using Terraria.Localization;
using Terraria.UI;
 
namespace Terraria.GameContent.UI.Elements;
 
public class UIDifficultyButton : UIElement
{
    private readonly Player _player;
 
    private readonly Asset<Texture2D> _BasePanelTexture;
 
    private readonly Asset<Texture2D> _selectedBorderTexture;
 
    private readonly Asset<Texture2D> _hoveredBorderTexture;
 
    private readonly byte _difficulty;
 
    private readonly Color _color;
 
    private bool _hovered;
 
    private bool _soundedHover;
 
    public UIDifficultyButton(Player player, LocalizedText title, LocalizedText description, byte difficulty, Color color)
    {
        _player = player;
        _difficulty = difficulty;
        Width = StyleDimension.FromPixels(44f);
        Height = StyleDimension.FromPixels(110f);
        _BasePanelTexture = Main.Assets.Request<Texture2D>("Images/UI/CharCreation/PanelGrayscale", (AssetRequestMode)1);
        _selectedBorderTexture = Main.Assets.Request<Texture2D>("Images/UI/CharCreation/CategoryPanelHighlight", (AssetRequestMode)1);
        _hoveredBorderTexture = Main.Assets.Request<Texture2D>("Images/UI/CharCreation/CategoryPanelBorder", (AssetRequestMode)1);
        _color = color;
        UIText element = new UIText(title, 0.9f)
        {
            HAlign = 0.5f,
            VAlign = 0f,
            Width = StyleDimension.FromPixelsAndPercent(-10f, 1f),
            Top = StyleDimension.FromPixels(5f)
        };
        Append(element);
    }
 
    protected override void DrawSelf(SpriteBatch spriteBatch)
    {
        if (_hovered)
        {
            if (!_soundedHover)
            {
                SoundEngine.PlaySound(12);
            }
            _soundedHover = true;
        }
        else
        {
            _soundedHover = false;
        }
        CalculatedStyle dimensions = GetDimensions();
        int num = 7;
        if (dimensions.Height < 30f)
        {
            num = 5;
        }
        int num2 = 10;
        int num3 = 10;
        bool num4 = _difficulty == _player.difficulty;
        Utils.DrawSplicedPanel(spriteBatch, _BasePanelTexture.Value, (int)dimensions.X, (int)dimensions.Y, (int)dimensions.Width, (int)dimensions.Height, num2, num2, num3, num3, Color.Lerp(Color.Black, _color, 0.8f) * 0.5f);
        if (num4)
        {
            Utils.DrawSplicedPanel(spriteBatch, _BasePanelTexture.Value, (int)dimensions.X + num, (int)dimensions.Y + num - 2, (int)dimensions.Width - num * 2, (int)dimensions.Height - num * 2, num2, num2, num3, num3, Color.Lerp(_color, Color.White, 0.7f) * 0.5f);
        }
        if (_hovered)
        {
            Utils.DrawSplicedPanel(spriteBatch, _hoveredBorderTexture.Value, (int)dimensions.X, (int)dimensions.Y, (int)dimensions.Width, (int)dimensions.Height, num2, num2, num3, num3, Color.White);
        }
    }
 
    public override void LeftMouseDown(UIMouseEvent evt)
    {
        _player.difficulty = _difficulty;
        SoundEngine.PlaySound(12);
        base.LeftMouseDown(evt);
    }
 
    public override void MouseOver(UIMouseEvent evt)
    {
        base.MouseOver(evt);
        _hovered = true;
    }
 
    public override void MouseOut(UIMouseEvent evt)
    {
        base.MouseOut(evt);
        _hovered = false;
    }
}