UIResourcePackInfoMenu.cs

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using System.Collections.Generic;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using ReLogic.Content;
using Terraria.Audio;
using Terraria.GameContent.UI.Elements;
using Terraria.ID;
using Terraria.IO;
using Terraria.Localization;
using Terraria.UI;
using Terraria.UI.Gamepad;
 
namespace Terraria.GameContent.UI.States;
 
public class UIResourcePackInfoMenu : UIState
{
    private UIResourcePackSelectionMenu _resourceMenu;
 
    private ResourcePack _pack;
 
    private UIElement _container;
 
    private UIList _list;
 
    private UIScrollbar _scrollbar;
 
    private bool _isScrollbarAttached;
 
    private const string _backPointName = "GoBack";
 
    private UIGamepadHelper _helper;
 
    public UIResourcePackInfoMenu(UIResourcePackSelectionMenu parent, ResourcePack pack)
    {
        _resourceMenu = parent;
        _pack = pack;
        BuildPage();
    }
 
    private void BuildPage()
    {
        RemoveAllChildren();
        UIElement uIElement = new UIElement();
        uIElement.Width.Set(0f, 0.8f);
        uIElement.MaxWidth.Set(500f, 0f);
        uIElement.MinWidth.Set(300f, 0f);
        uIElement.Top.Set(230f, 0f);
        uIElement.Height.Set(0f - uIElement.Top.Pixels, 1f);
        uIElement.HAlign = 0.5f;
        Append(uIElement);
        UIPanel uIPanel = new UIPanel();
        uIPanel.Width.Set(0f, 1f);
        uIPanel.Height.Set(-110f, 1f);
        uIPanel.BackgroundColor = new Color(33, 43, 79) * 0.8f;
        uIElement.Append(uIPanel);
        UIElement uIElement2 = new UIElement
        {
            Width = StyleDimension.Fill,
            Height = StyleDimension.FromPixelsAndPercent(0f, 1f)
        };
        uIPanel.Append(uIElement2);
        UIElement uIElement3 = new UIElement
        {
            Width = new StyleDimension(0f, 1f),
            Height = new StyleDimension(52f, 0f)
        };
        uIElement3.SetPadding(0f);
        uIElement2.Append(uIElement3);
        UIText uIText = new UIText(_pack.Name, 0.7f, large: true)
        {
            TextColor = Color.Gold
        };
        uIText.HAlign = 0.5f;
        uIText.VAlign = 0f;
        uIElement3.Append(uIText);
        UIText uIText2 = new UIText(Language.GetTextValue("UI.Author", _pack.Author), 0.9f)
        {
            HAlign = 0f,
            VAlign = 1f
        };
        uIText2.Top.Set(-6f, 0f);
        uIElement3.Append(uIText2);
        UIText uIText3 = new UIText(Language.GetTextValue("UI.Version", _pack.Version.GetFormattedVersion()), 0.9f)
        {
            HAlign = 1f,
            VAlign = 1f,
            TextColor = Color.Silver
        };
        uIText3.Top.Set(-6f, 0f);
        uIElement3.Append(uIText3);
        Asset<Texture2D> val = Main.Assets.Request<Texture2D>("Images/UI/Divider", (AssetRequestMode)1);
        UIImage uIImage = new UIImage(val)
        {
            Width = StyleDimension.FromPixelsAndPercent(0f, 1f),
            Height = StyleDimension.FromPixels(val.Height()),
            ScaleToFit = true
        };
        uIImage.Top.Set(52f, 0f);
        uIImage.SetPadding(6f);
        uIElement2.Append(uIImage);
        UIElement uIElement4 = new UIElement
        {
            HAlign = 0.5f,
            VAlign = 1f,
            Width = StyleDimension.FromPixelsAndPercent(0f, 1f),
            Height = StyleDimension.FromPixelsAndPercent(-74f, 1f)
        };
        uIElement2.Append(uIElement4);
        _container = uIElement4;
        UIText item = new UIText(_pack.Description)
        {
            HAlign = 0.5f,
            VAlign = 0f,
            Width = StyleDimension.FromPixelsAndPercent(0f, 1f),
            Height = StyleDimension.FromPixelsAndPercent(0f, 0f),
            IsWrapped = true,
            WrappedTextBottomPadding = 0f
        };
        UIList uIList = new UIList
        {
            HAlign = 0.5f,
            VAlign = 0f,
            Width = StyleDimension.FromPixelsAndPercent(0f, 1f),
            Height = StyleDimension.FromPixelsAndPercent(0f, 1f),
            PaddingRight = 20f
        };
        uIList.ListPadding = 5f;
        uIList.Add(item);
        uIElement4.Append(uIList);
        _list = uIList;
        UIScrollbar uIScrollbar = new UIScrollbar();
        uIScrollbar.SetView(100f, 1000f);
        uIScrollbar.Height.Set(0f, 1f);
        uIScrollbar.HAlign = 1f;
        _scrollbar = uIScrollbar;
        uIList.SetScrollbar(uIScrollbar);
        UITextPanel<LocalizedText> uITextPanel = new UITextPanel<LocalizedText>(Language.GetText("UI.Back"), 0.7f, large: true);
        uITextPanel.Width.Set(-10f, 0.5f);
        uITextPanel.Height.Set(50f, 0f);
        uITextPanel.VAlign = 1f;
        uITextPanel.HAlign = 0.5f;
        uITextPanel.Top.Set(-45f, 0f);
        uITextPanel.OnMouseOver += FadedMouseOver;
        uITextPanel.OnMouseOut += FadedMouseOut;
        uITextPanel.OnLeftClick += GoBackClick;
        uITextPanel.SetSnapPoint("GoBack", 0);
        uIElement.Append(uITextPanel);
    }
 
    public override void Recalculate()
    {
        if (_scrollbar != null)
        {
            if (_isScrollbarAttached && !_scrollbar.CanScroll)
            {
                _container.RemoveChild(_scrollbar);
                _isScrollbarAttached = false;
                _list.Width.Set(0f, 1f);
            }
            else if (!_isScrollbarAttached && _scrollbar.CanScroll)
            {
                _container.Append(_scrollbar);
                _isScrollbarAttached = true;
                _list.Width.Set(-25f, 1f);
            }
        }
        base.Recalculate();
    }
 
    private void GoBackClick(UIMouseEvent evt, UIElement listeningElement)
    {
        Main.MenuUI.SetState(_resourceMenu);
    }
 
    private static void FadedMouseOver(UIMouseEvent evt, UIElement listeningElement)
    {
        SoundEngine.PlaySound(12);
        ((UIPanel)evt.Target).BackgroundColor = new Color(73, 94, 171);
        ((UIPanel)evt.Target).BorderColor = Colors.FancyUIFatButtonMouseOver;
    }
 
    private static void FadedMouseOut(UIMouseEvent evt, UIElement listeningElement)
    {
        ((UIPanel)evt.Target).BackgroundColor = new Color(63, 82, 151) * 0.8f;
        ((UIPanel)evt.Target).BorderColor = Color.Black;
    }
 
    public override void Draw(SpriteBatch spriteBatch)
    {
        base.Draw(spriteBatch);
        SetupGamepadPoints(spriteBatch);
    }
 
    private void SetupGamepadPoints(SpriteBatch spriteBatch)
    {
        UILinkPointNavigator.Shortcuts.BackButtonCommand = 1;
        int num = 3000;
        int idRangeEndExclusive = num;
        List<SnapPoint> snapPoints = GetSnapPoints();
        for (int i = 0; i < snapPoints.Count; i++)
        {
            SnapPoint snapPoint = snapPoints[i];
            string name = snapPoint.Name;
            if (name == "GoBack")
            {
                _helper.MakeLinkPointFromSnapPoint(idRangeEndExclusive++, snapPoint);
            }
        }
        _helper.MoveToVisuallyClosestPoint(num, idRangeEndExclusive);
    }
}