VanillaContentValidator.cs

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using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using Microsoft.Xna.Framework.Graphics;
using ReLogic.Content;
 
namespace Terraria.GameContent;
 
public class VanillaContentValidator : IContentValidator
{
    private struct TextureMetaData
    {
        public int Width;
 
        public int Height;
 
        public bool Matches(Texture2D texture, out IRejectionReason rejectReason)
        {
            if (texture.Width != Width || texture.Height != Height)
            {
                rejectReason = (IRejectionReason)(object)new ContentRejectionFromSize(Width, Height, texture.Width, texture.Height);
                return false;
            }
            rejectReason = null;
            return true;
        }
    }
 
    public static VanillaContentValidator Instance;
 
    private Dictionary<string, TextureMetaData> _info = new Dictionary<string, TextureMetaData>();
 
    public VanillaContentValidator(string infoFilePath)
    {
        string[] array = Regex.Split(Utils.ReadEmbeddedResource(infoFilePath), "\r\n|\r|\n");
        foreach (string text in array)
        {
            if (!text.StartsWith("//"))
            {
                string[] array2 = text.Split('\t');
                if (array2.Length >= 3 && int.TryParse(array2[1], out var result) && int.TryParse(array2[2], out var result2))
                {
                    string key = array2[0].Replace('/', '\\');
                    _info[key] = new TextureMetaData
                    {
                        Width = result,
                        Height = result2
                    };
                }
            }
        }
    }
 
    public bool AssetIsValid<T>(T content, string contentPath, out IRejectionReason rejectReason) where T : class
    {
        Texture2D texture2D = content as Texture2D;
        rejectReason = null;
        if (texture2D != null)
        {
            if (!_info.TryGetValue(contentPath, out var value))
            {
                return true;
            }
            return value.Matches(texture2D, out rejectReason);
        }
        return true;
    }
 
    public HashSet<string> GetValidImageFilePaths()
    {
        return new HashSet<string>(_info.Select((KeyValuePair<string, TextureMetaData> x) => x.Key));
    }
}