PhotonStream

 /// <summary>
    /// This container is used in OnPhotonSerializeView() to either provide incoming data of a PhotonView or for you to provide it.
    /// </summary>
    /// <remarks>
    /// The IsWriting property will be true if this client is the "owner" of the PhotonView (and thus the GameObject).
    /// Add data to the stream and it's sent via the server to the other players in a room.
    /// On the receiving side, IsWriting is false and the data should be read.
    ///
    /// Send as few data as possible to keep connection quality up. An empty PhotonStream will not be sent.
    ///
    /// Use either Serialize() for reading and writing or SendNext() and ReceiveNext(). The latter two are just explicit read and
    /// write methods but do about the same work as Serialize(). It's a matter of preference which methods you use.
    /// </remarks>
    /// \ingroup publicApi
    public class PhotonStream
    {
        private List<object> writeData;
        private object[] readData;
        private int currentItem; //Используется для отслеживания следующего элемента для получения.

        /// <summary>Если true, этот клиент должен добавить данные в поток, чтобы отправить его.</summary>
        public bool IsWriting { get; private set; }

        /// <summary>Если true, этот клиент должен прочитать данные, отправленные другим клиентом</summary>
        public bool IsReading
        {
            get { return !this.IsWriting; }
        }

        /// <summary>Count of items in the stream.</summary>
        public int Count
        {
            get { return this.IsWriting ? this.writeData.Count : this.readData.Length; }
        }

        /// <summary>
        /// Creates a stream and initializes it. Used by PUN internally.
        /// </summary>
        public PhotonStream(bool write, object[] incomingData)
        {
            this.IsWriting = write;

            if (!write && incomingData != null)
            {
                this.readData = incomingData;
            }
        }

        public void SetReadStream(object[] incomingData, int pos = 0)
        {
            this.readData = incomingData;
            this.currentItem = pos;
            this.IsWriting = false;
        }

        internal void SetWriteStream(List<object> newWriteData, int pos = 0)
        {
            if (pos != newWriteData.Count)
            {
                throw new Exception("SetWriteStream failed, because count does not match position value. pos: "+ pos + " newWriteData.Count:" + newWriteData.Count);
            }
            this.writeData = newWriteData;
            this.currentItem = pos;
            this.IsWriting = true;
        }

        internal List<object> GetWriteStream()
        {
            return this.writeData;
        }


        [Obsolete("Either SET the writeData with an empty List or use Clear().")]
        internal void ResetWriteStream()
        {
            this.writeData.Clear();
        }

        /// <summary>Read next piece of data from the stream when IsReading is true.</summary>
        public object ReceiveNext()
        {
            if (this.IsWriting)
            {
                Debug.LogError("Error: you cannot read this stream that you are writing!");
                return null;
            }

            object obj = this.readData[this.currentItem];
            this.currentItem++;
            return obj;
        }

        /// <summary>Read next piece of data from the stream without advancing the "current" item.</summary>
        public object PeekNext()
        {
            if (this.IsWriting)
            {
                Debug.LogError("Error: you cannot read this stream that you are writing!");
                return null;
            }

            object obj = this.readData[this.currentItem];
            //this.currentItem++;
            return obj;
        }

        /// <summary>Add another piece of data to send it when IsWriting is true.</summary>
        public void SendNext(object obj)
        {
            if (!this.IsWriting)
            {
                Debug.LogError("Error: you cannot write/send to this stream that you are reading!");
                return;
            }

            this.writeData.Add(obj);
        }

        [Obsolete("writeData is a list now. Use and re-use it directly.")]
        public bool CopyToListAndClear(List<object> target)
        {
            if (!this.IsWriting) return false;

            target.AddRange(this.writeData);
            this.writeData.Clear();

            return true;
        }

        /// <summary>Turns the stream into a new object[].</summary>
        public object[] ToArray()
        {
            return this.IsWriting ? this.writeData.ToArray() : this.readData;
        }

        /// <summary>
        /// Will read or write the value, depending on the stream's IsWriting value.
        /// </summary>
        public void Serialize(ref bool myBool)
        {
            if (this.IsWriting)
            {
                this.writeData.Add(myBool);
            }
            else
            {
                if (this.readData.Length > this.currentItem)
                {
                    myBool = (bool) this.readData[this.currentItem];
                    this.currentItem++;
                }
            }
        }

        /// <summary>
        /// Will read or write the value, depending on the stream's IsWriting value.
        /// </summary>
        public void Serialize(ref int myInt)
        {
            if (this.IsWriting)
            {
                this.writeData.Add(myInt);
            }
            else
            {
                if (this.readData.Length > this.currentItem)
                {
                    myInt = (int) this.readData[this.currentItem];
                    this.currentItem++;
                }
            }
        }

        /// <summary>
        /// Will read or write the value, depending on the stream's IsWriting value.
        /// </summary>
        public void Serialize(ref string value)
        {
            if (this.IsWriting)
            {
                this.writeData.Add(value);
            }
            else
            {
                if (this.readData.Length > this.currentItem)
                {
                    value = (string) this.readData[this.currentItem];
                    this.currentItem++;
                }
            }
        }

        /// <summary>
        /// Will read or write the value, depending on the stream's IsWriting value.
        /// </summary>
        public void Serialize(ref char value)
        {
            if (this.IsWriting)
            {
                this.writeData.Add(value);
            }
            else
            {
                if (this.readData.Length > this.currentItem)
                {
                    value = (char) this.readData[this.currentItem];
                    this.currentItem++;
                }
            }
        }

        /// <summary>
        /// Will read or write the value, depending on the stream's IsWriting value.
        /// </summary>
        public void Serialize(ref short value)
        {
            if (this.IsWriting)
            {
                this.writeData.Add(value);
            }
            else
            {
                if (this.readData.Length > this.currentItem)
                {
                    value = (short) this.readData[this.currentItem];
                    this.currentItem++;
                }
            }
        }

        /// <summary>
        /// Will read or write the value, depending on the stream's IsWriting value.
        /// </summary>
        public void Serialize(ref float obj)
        {
            if (this.IsWriting)
            {
                this.writeData.Add(obj);
            }
            else
            {
                if (this.readData.Length > this.currentItem)
                {
                    obj = (float) this.readData[this.currentItem];
                    this.currentItem++;
                }
            }
        }

        /// <summary>
        /// Will read or write the value, depending on the stream's IsWriting value.
        /// </summary>
        public void Serialize(ref Player obj)
        {
            if (this.IsWriting)
            {
                this.writeData.Add(obj);
            }
            else
            {
                if (this.readData.Length > this.currentItem)
                {
                    obj = (Player) this.readData[this.currentItem];
                    this.currentItem++;
                }
            }
        }

        /// <summary>
        /// Will read or write the value, depending on the stream's IsWriting value.
        /// </summary>
        public void Serialize(ref Vector3 obj)
        {
            if (this.IsWriting)
            {
                this.writeData.Add(obj);
            }
            else
            {
                if (this.readData.Length > this.currentItem)
                {
                    obj = (Vector3) this.readData[this.currentItem];
                    this.currentItem++;
                }
            }
        }

        /// <summary>
        /// Will read or write the value, depending on the stream's IsWriting value.
        /// </summary>
        public void Serialize(ref Vector2 obj)
        {
            if (this.IsWriting)
            {
                this.writeData.Add(obj);
            }
            else
            {
                if (this.readData.Length > this.currentItem)
                {
                    obj = (Vector2) this.readData[this.currentItem];
                    this.currentItem++;
                }
            }
        }

        /// <summary>
        /// Will read or write the value, depending on the stream's IsWriting value.
        /// </summary>
        public void Serialize(ref Quaternion obj)
        {
            if (this.IsWriting)
            {
                this.writeData.Add(obj);
            }
            else
            {
                if (this.readData.Length > this.currentItem)
                {
                    obj = (Quaternion) this.readData[this.currentItem];
                    this.currentItem++;
                }
            }
        }
    }


    public class SceneManagerHelper
    {
        public static string ActiveSceneName
        {
            get
            {
                Scene s = SceneManager.GetActiveScene();
                return s.name;
            }
        }

        public static int ActiveSceneBuildIndex
        {
            get { return SceneManager.GetActiveScene().buildIndex; }
        }


        #if UNITY_EDITOR
        /// <summary>In Editor, we can access the active scene's name.</summary>
        public static string EditorActiveSceneName
        {
            get { return SceneManager.GetActiveScene().name; }
        }
        #endif
    }