SelectionHolder.cs

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using System.Collections.Generic;
using System.Linq;
using ReLogic.Content;
using Terraria.IO;
 
namespace Terraria.DataStructures;
 
public abstract class SelectionHolder<TCycleType> where TCycleType : class, IConfigKeyHolder
{
    protected Dictionary<string, TCycleType> Options = new Dictionary<string, TCycleType>();
 
    protected TCycleType ActiveSelection;
 
    protected string ActiveSelectionConfigKey;
 
    protected bool LoadedContent;
 
    public string ActiveSelectionKeyName { get; private set; }
 
    public void BindTo(Preferences preferences)
    {
        preferences.OnLoad += Wrapped_Configuration_OnLoad;
        preferences.OnSave += Configuration_Save;
    }
 
    protected abstract void Configuration_Save(Preferences obj);
 
    protected abstract void Configuration_OnLoad(Preferences obj);
 
    protected void Wrapped_Configuration_OnLoad(Preferences obj)
    {
        Configuration_OnLoad(obj);
        if (LoadedContent)
        {
            SetActiveMinimapFromLoadedConfigKey();
        }
    }
 
    protected abstract void PopulateOptionsAndLoadContent(AssetRequestMode mode);
 
    public void LoadContent(AssetRequestMode mode)
    {
        //IL_0001: Unknown result type (might be due to invalid IL or missing references)
        PopulateOptionsAndLoadContent(mode);
        LoadedContent = true;
        SetActiveMinimapFromLoadedConfigKey();
    }
 
    public void CycleSelection()
    {
        TCycleType lastFrame = null;
        Options.Values.FirstOrDefault(delegate(TCycleType frame)
        {
            if (frame == ActiveSelection)
            {
                return true;
            }
            lastFrame = frame;
            return false;
        });
        if (lastFrame == null)
        {
            lastFrame = Options.Values.Last();
        }
        SetActiveFrame(lastFrame);
    }
 
    public void SetActiveMinimapFromLoadedConfigKey()
    {
        SetActiveFrame(ActiveSelectionConfigKey);
    }
 
    private void SetActiveFrame(string frameName)
    {
        TCycleType val = Options.FirstOrDefault((KeyValuePair<string, TCycleType> pair) => pair.Key == frameName).Value;
        if (val == null)
        {
            val = Options.Values.First();
        }
        SetActiveFrame(val);
    }
 
    private void SetActiveFrame(TCycleType frame)
    {
        ActiveSelection = frame;
        ActiveSelectionConfigKey = frame.ConfigKey;
        ActiveSelectionKeyName = frame.NameKey;
    }
}