ReFuel.Gltf/ReFuel.Gltf/GltfScene.cs

using System;
using System.Text.Json;

namespace ReFuel.Gltf
{
    public class GltfScene : GltfIdObject
    {
        public override GltfObjectKind Kind => GltfObjectKind.Scene;
        public string? Name { get; set; }
        public GltfRefList<GltfNode> Nodes { get; }

        internal GltfScene(GltfDocument document) : base(document)
        {
            Nodes = new GltfRefList<GltfNode>(document.Nodes);
        }

        internal override void Deserialize(JsonElement element)
        {
            if (element.ValueKind != JsonValueKind.Object)
                throw new Exception("Expected an object as an asset.");

            JsonElement value;

            if (element.TryGetProperty("name", out value))
                Name = value.GetString();

            if (element.TryGetProperty("nodes", out value))
            {
                if (value.ValueKind != JsonValueKind.Array)
                    throw new Exception("Expected nodes to be an integer array.");

                foreach (JsonElement node in value.EnumerateArray())
                {
                    if (!node.TryGetInt32(out int id))
                        throw new Exception("Expected a node ID in nodes array.");

                    Nodes.Add(id);
                }
            }

            DeserializeCommon(element);
        }

        internal override void Serialize(Utf8JsonWriter writer)
        {
            throw new NotImplementedException();
        }
    }
}