XML - Writing to an existing xml file

Hello everyone, in the last thread I showed how to read information from an existing xml file. Now I'll show you a method to write to an existing xml file and then convert the strings to float values​​. You can download the full project in my blog http://unitynoobs.blogspot.com/

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The xml file:

Code (csharp):

1.  
2. <?xml version="1.0" encoding="utf-8"?>
3. <transforms>
4.   <rotation>
5.     <x>values</x>
6.     <y>values</y>
7.     <z>values</z>
8.   </rotation>
9. </transforms>
10.  

The variables:

Code (csharp):

1.  
2.  public GameObject CubeObject; // object to get a apply the transforms.
3.  
4.  private string x = ""; // string to work with the xml file.
5.  private string y = ""; // string to work with the xml file.
6.  private string z = ""; // string to work with the xml file.
7.  
8.  private float X = 0; // we will apply the values ​​of the strings here.
9.  private float Y = 0; // we will apply the values ​​of the strings here.
10.  private float Z = 0; // we will apply the values ​​of the strings here.
11.  
12.  void Update()
13.  {
14.   x = CubeObject.transform.rotation.eulerAngles.x.ToString(); // taking the values ​​of transformation.
15.   y = CubeObject.transform.rotation.eulerAngles.y.ToString(); // taking the values ​​of transformation.
16.   z = CubeObject.transform.rotation.eulerAngles.z.ToString(); // taking the values ​​of transformation.
17.  }
18.  

And the functions:

Code (csharp):

1.  
2. public void WriteToXml()
3.  {
4.  
5.      string filepath = Application.dataPath + @"/Data/gamexmldata.xml";
6.   XmlDocument xmlDoc = new XmlDocument();
7.  
8.   if(File.Exists (filepath))
9.   {
10.    xmlDoc.Load(filepath);
11.    
12.    XmlElement elmRoot = xmlDoc.DocumentElement;
13.    
14.     elmRoot.RemoveAll(); // remove all inside the transforms node.
15.    
16.     XmlElement elmNew = xmlDoc.CreateElement("rotation"); // create the rotation node.
17.    
18.      XmlElement rotation_X = xmlDoc.CreateElement("x"); // create the x node.
19.       rotation_X.InnerText = x; // apply to the node text the values of the variable.
20.    
21.      XmlElement rotation_Y = xmlDoc.CreateElement("y"); // create the y node.
22.       rotation_Y.InnerText = y; // apply to the node text the values of the variable.
23.    
24.      XmlElement rotation_Z = xmlDoc.CreateElement("z"); // create the z node.
25.       rotation_Z.InnerText = z; // apply to the node text the values of the variable.
26.    
27.    elmNew.AppendChild(rotation_X); // make the rotation node the parent.
28.    elmNew.AppendChild(rotation_Y); // make the rotation node the parent.
29.    elmNew.AppendChild(rotation_Z); // make the rotation node the parent.
30.    elmRoot.AppendChild(elmNew); // make the transform node the parent.
31.    
32.    xmlDoc.Save(filepath); // save file.
33.   }
34.  }
35.  

Code (csharp):

1.  
2.  
3. public void LoadFromXml()
4.  {
5.   string filepath = Application.dataPath + @"/Data/gamexmldata.xml";
6.   XmlDocument xmlDoc = new XmlDocument();
7.  
8.   if(File.Exists (filepath))
9.   {
10.    xmlDoc.Load(filepath);
11.    
12.    XmlNodeList transformList = xmlDoc.GetElementsByTagName("rotation");
13.  
14.    foreach (XmlNode transformInfo in transformList)
15.    {
16.     XmlNodeList transformcontent = transformInfo.ChildNodes;
17.    
18.     foreach (XmlNode transformItens in transformcontent)
19.     {
20.      if(transformItens.Name == "x")
21.      {
22.       X = float.Parse(transformItens.InnerText); // convert the strings to float and apply to the X variable.
23.      }
24.      if(transformItens.Name == "y")
25.      {
26.       Y = float.Parse(transformItens.InnerText); // convert the strings to float and apply to the Y variable.
27.      }
28.      if(transformItens.Name == "z")
29.      {
30.       Z = float.Parse(transformItens.InnerText); // convert the strings to float and apply to the Z variable.
31.      }
32.      
33.     }
34.    }
35.   }
36.   CubeObject.transform.eulerAngles =new Vector3(X,Y,Z); // Apply the values to the cube object.
37.  
38.  }
39.  

You can download the full project in my blog http://unitynoobs.blogspot.com/