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using System;
using System.Text.Json;
using System.Text.Json.Serialization;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Content;
namespace MonoGame.Extended.Gui.Serialization;
public interface IGuiSkinService
{
Skin Skin { get; set; }
}
public class SkinService : IGuiSkinService
{
public Skin Skin { get; set; }
}
public class SkinJsonConverter : JsonConverter<Skin>
{
private readonly ContentManager _contentManager;
private readonly IGuiSkinService _skinService;
private readonly Type[] _customControlTypes;
public SkinJsonConverter(ContentManager contentManager, IGuiSkinService skinService, params Type[] customControlTypes)
{
_contentManager = contentManager;
_skinService = skinService;
_customControlTypes = customControlTypes;
}
/// <inheritdoc />
public override bool CanConvert(Type typeToConvert) => typeToConvert == typeof(Skin);
/// <inheritdoc />
public override Skin Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
{
if (reader.TokenType == JsonTokenType.String)
{
var assetName = reader.GetString();
// TODO: Load this using the ContentManager instead.
using (var stream = TitleContainer.OpenStream(assetName))
{
var skin = Skin.FromStream(_contentManager, stream, _customControlTypes);
_skinService.Skin = skin;
return skin;
}
}
throw new InvalidOperationException($"{nameof(SkinJsonConverter)} can only convert from a string");
}
/// <inheritdoc />
public override void Write(Utf8JsonWriter writer, Skin value, JsonSerializerOptions options) { }
}
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