Unity3D에서 XML 읽고 쓰기

using UnityEngine; 
using System.Collections.Generic; 
using System.Xml; 
using System.Xml.Serialization; 
using System.IO; 
using System.Text; 

public class GameXML : MonoBehaviour 
{ 
 string _FileLocation,_FileName; 
 StreamWriter _writer;
 TextReader _reader;
 
 void Start () { 
  // Where we want to save and load to and from 
  _FileLocation=Application.dataPath; 
  _FileName="GameTurnData.xml"; 
 } 
 
 public void OpenSaveFileForWrite()
 {
  FileInfo t = new FileInfo(_FileLocation+"\\"+ _FileName); 
  if(!t.Exists) 
  { 
   _writer = t.CreateText(); 
  } 
  else 
  { 
   t.Delete(); 
   _writer = t.CreateText(); 
  } 
 }
 
 public void OpenSaveFileForRead()
 {
  FileInfo t = new FileInfo(_FileLocation+"\\"+ _FileName); 
  if(t.Exists) 
  { 
   _reader = t.OpenText(); 
  } 
  else 
  { 
   Debug.Log("SaveFile NotFound");
  } 
 }

 public void CloseSaveFile()
 {
  _writer.Close(); 
 }
 
 public void WriteGameDataAndTurnSequence(GameSaveGame SGDat )
 {
  string _data = SerializeGame(SGDat); 
  Debug.Log("Game Sequence looks like:" + _data); 

  _writer.Write(_data); 
 }
 
 public GameSaveGame ReadSaveGame()
 {
  OpenSaveFileForRead();
  return DeserializeGame(_reader);
 }
 
 

string SerializeGame( GameSaveGame pArr)
{
   string XmlizedString = null; 
   MemoryStream memoryStream = new MemoryStream(); 
   XmlSerializer xs = new XmlSerializer(typeof(GameSaveGame)); 
   XmlTextWriter xmlTextWriter = new XmlTextWriter(memoryStream, Encoding.UTF8); 
    
   xs.Serialize(xmlTextWriter, pArr); 
    
   memoryStream = (MemoryStream)xmlTextWriter.BaseStream; 
   XmlizedString = UTF8ByteArrayToString(memoryStream.ToArray()); 
   return XmlizedString; 
} 
   
 // Here we deserialize it back into its original form 
GameSaveGame DeserializeGame(TextReader file) 
 { 
   XmlSerializer xdsg = new XmlSerializer(typeof(GameSaveGame)); 
   GameSaveGame newGame;
   newGame = (GameSaveGame)xdsg.Deserialize(_reader); 
   _reader.Close();
    return newGame;
   
} 
 /* The following metods came from the referenced URL */ 
   string UTF8ByteArrayToString(byte[] characters) 
   {      
      UTF8Encoding encoding = new UTF8Encoding(); 
      string constructedString = encoding.GetString(characters); 
      return (constructedString); 
   } 
    
   byte[] StringToUTF8ByteArray(string pXmlString) 
   { 
      UTF8Encoding encoding = new UTF8Encoding(); 
      byte[] byteArray = encoding.GetBytes(pXmlString); 
      return byteArray; 
   } 
}
// this simple class holds all the "settings" data relevent to a game
public class GameData 
{ 
  public GameData(){}
  public int DimensionsOfPlay;
  public int SpacesPerAxis;
  public bool Player1IsRobot;
  public bool Player2IsRobot;
  public int PlayerTurn; // ID of the player who's turn it was/willbe when saved/loaded 
  public Quaternion GFProtate; // rotaton of the game grid
  public Quaternion VRrotate; // rotaton of the game grid
}

// this class holds all the data that represents a single turn in the game
public class TurnData 
{ 
 public TurnData (){ Unconditional = false; SequenceNum = 0;}
 public TurnData ( int x, int y, int z, int PID, bool cond, int seq)
 {
  X = x; 
  Y = y; 
  Z = z; 
  PlayerID = PID;
  Unconditional = cond;
  SequenceNum = seq;
 }

 public int X; 
 public int Y; 
 public int Z; 
 public int PlayerID;
 public bool Unconditional; // if this is true, the objec is just placed without executing the move rule, this is used for the game starting condition
 public int SequenceNum;
} 

public class GameSaveGame
{
 public GameData GameSettings;
 public GameSequence Turns;
 
 public GameSaveGame()
 { 
  GameSettings = new GameData();
  Turns = new GameSequence();
 }
  
 public GameSaveGame(GameData pData, GameSequence pGS)
 { 
  GameSettings = pData;
  Turns = pGS;
 }
}

public class GameSequence
{
 public List TurnList = new List();
 private int Sequence = 0; 
 
 public GameSequence () { }
 
 public void AddTurn(TurnData aTurn)
 {
   TurnList.Add(aTurn);
 }
 public void AddTurn( int x, int y, int z, int PlayerID, bool cond)
 {
  Sequence++;
  TurnData dat = new TurnData(x,y,z,PlayerID,cond,Sequence);
  AddTurn(dat);
 }
 public void AddTurn( int x, int y, int z, int PlayerID)
 {
  Sequence++;
  TurnData dat = new TurnData(x,y,z,PlayerID,false,Sequence);
  AddTurn(dat);
 }
 public void Reset()
 {
  TurnList.Clear();
  TurnList.TrimExcess();
  Sequence = 0;
 }
 public int numOfTurns()
 {
   return (int)TurnList.Count;
 }
 public TurnData GetTurnNum(int turnNum)
 {
   return (TurnData)TurnList[turnNum];
 }
 
}

출처 : http://blog.naver.com/hurinmon/70140238120