/**
 * @File   : Sein_spriteExtension.cs
 * @Author : dtysky (dtysky@outlook.com)
 * @Link   : dtysky.moe
 * @Date   : 2019/11/10 0:00:00AM
 */
using GLTF.Math;
using GLTF.Schema;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System.Collections.Generic;

namespace SeinJS
{
    public class Sein_spriteExtension : Extension
    {
        public struct Sprite
        {
            public float width;
            public float height;
            public int atlasId;
            public string frameName;
            public bool isBillboard;
            public bool frustumTest;
            public MaterialId materialId;
        }

        public bool isGlobal = false;

        // global
        public List<Sprite> sprites = new List<Sprite>();

        // node
        public int index = -1;

        public JProperty Serialize()
        {
            var value = new JObject();

            if (!isGlobal)
            {
                value.Add("index", index);
            }
            else
            {
                var sps = new JArray();
                value.Add("sprites", sps);
                foreach (var sprite in sprites)
                {
                    var s = new JObject(
                        new JProperty("width", sprite.width),
                        new JProperty("height", sprite.height),
                        new JProperty("atlas", new JObject(
                            new JProperty("index", sprite.atlasId),
                            new JProperty("frameName", sprite.frameName)
                        )),
                        new JProperty("isBillboard", sprite.isBillboard),
                        new JProperty("frustumTest", sprite.frustumTest)
                    );

                    if (sprite.materialId != null)
                    {
                        s.Add("material", new JObject(new JProperty("index", sprite.materialId.Id)));
                    }

                    sps.Add(s);
                }
            }

            return new JProperty(ExtensionManager.GetExtensionName(typeof(Sein_spriteExtensionFactory)), value);
        }
    }
}