using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.Serialization;
using UnityEngine;

/// <summary>
/// A class that allows creating and modifying meshes from scripts.
/// </summary>
namespace UnityLibrary
{
    [Serializable]
    public sealed class MeshSerializable : UnityEngine.Object, ISerializable
    {

        #region Parameters

        public Vector3[] vertices;
        public int[] triangles;
        public Vector3[] normals;
        public Color[] colors;
        public Vector4[] tangents;
        public Color32[] colors32;
        public Vector2[] uv;
        public Vector2[] uv2;
        public Vector2[] uv3;
        public Vector2[] uv4;

        #endregion

        #region Constructors

        /// <summary>
        /// Initializes a new instance of the <see cref="MeshSerializable"/> class.
        /// </summary>
        public MeshSerializable() : this(new Mesh())
        {

        }

        /// <summary>
        /// Initializes a new instance of the <see cref="MeshSerializable"/> class.
        /// </summary>
        /// <param name="mesh">Mesh.</param>
        public MeshSerializable(Mesh mesh)
        {
            this.vertices = mesh.vertices;
            this.triangles = mesh.triangles;
            this.normals = mesh.normals;
            this.colors = mesh.colors;
            this.tangents = mesh.tangents;
            this.colors32 = mesh.colors32;
            this.uv = mesh.uv;
            this.uv2 = mesh.uv2;
            this.uv3 = mesh.uv3;
            this.uv4 = mesh.uv4;
        }

        #endregion

        #region Operators Overload

        public static implicit operator MeshSerializable(Mesh mesh)
        {
            return new MeshSerializable(mesh);
        }

        public static implicit operator Mesh(MeshSerializable mesh)
        {
            Mesh result = new Mesh();
            result.vertices = mesh.vertices;
            result.triangles = mesh.triangles;
            result.normals = mesh.normals;
            result.colors = mesh.colors;
            result.tangents = mesh.tangents;
            result.colors32 = mesh.colors32;
            result.uv = mesh.uv;
            result.uv2 = mesh.uv2;
            result.uv3 = mesh.uv3;
            result.uv4 = mesh.uv4;
            return result;
        }

        #endregion

        #region ISerializable implementation

        public void GetObjectData(SerializationInfo info, StreamingContext context)
        {
            info.AddValue("vertices", this.vertices, typeof(Vector3[]));
            info.AddValue("triangles", this.triangles, typeof(int[]));
            info.AddValue("normals", this.normals, typeof(Vector3[]));
            info.AddValue("colors", this.colors, typeof(Color[]));
            info.AddValue("tangents", this.tangents, typeof(Vector4[]));
            info.AddValue("colors32", this.colors32, typeof(Color32[]));
            info.AddValue("uv", this.uv, typeof(Vector3[]));
            info.AddValue("uv2", this.uv2, typeof(Vector3[]));
            info.AddValue("uv3", this.uv3, typeof(Vector3[]));
            info.AddValue("uv4", this.uv4, typeof(Vector3[]));
        }

        #endregion

    }
}