Unity3d - C# - How can I back up of values of an array?

debugcn 投稿 Dev

Armamedia

I Defined an array of 67 elements in a script (C#). Each element is an object of a class that I defined that includes some variables. Like Below:

// the Definition of the array
public Pack[] packsInfo;

// the class 
[Serializable]
public class Pack
{
    public int number;
    public int angle;
    public float zPosition;
    public float beatCaseDistance;
    public float gunDistance;
}

Then, I Assign all the values in Inspector. like Below:

So ... if i suddenly change any of the values or even worse, ( the values gone for a any reason. like changing the class parameters or any thing ) then I must spend hours on setting up all the values. So i want to print all the values in a text, or a file and save them. for recovering them later. i want a backup solution.I want to do it whit Programming. ( I don't want to write them manually ;) .It is waste of time. )

nipercop

To save yor array you can use for example JsonUtillity.

It is simple! Good Luck!

 void Start () {
    /////////////////////// save to json
    JSONObject jsonSave = new JSONObject();
    for(int i=0; i < packsInfo.Length; i++) {
        JSONObject packJson = new JSONObject();
        packJson.AddField("number", packsInfo[i].number);
        packJson.AddField("angle", packsInfo[i].angle);
        packJson.AddField("z_position", packsInfo[i].zPosition);
        packJson.AddField("beat_case_distance", packsInfo[i].beatCaseDistance);
        packJson.AddField("gun_distance", packsInfo[i].gunDistance);
        jsonSave.Add(packJson);
    }

    System.IO.StreamWriter streamWritter = new System.IO.StreamWriter(@"C:\MyGameFiles\packs.json");
    streamWritter.WriteLine(jsonSave.Print(true));
    streamWritter.Close();
    streamWritter = null;
    /////////////////////// read json
    System.IO.StreamReader reader = new System.IO.StreamReader(@"C:\MyGameFiles\packs.json");
    string jsonString = reader.ReadToEnd();
    reader.Close();
    reader = null;

    JSONObject jsonRead = new JSONObject(jsonString);
    packsInfo = new Pack[jsonRead.Count];
    for(int i =0; i < jsonRead.Count; i ++) {
        Pack pack = new Pack();
        pack.number = (int)jsonRead[i]["number"].i;
        pack.angle = (int)jsonRead[i]["angle"].i;
        pack.zPosition = jsonRead[i]["z_position"].f;
        pack.beatCaseDistance =jsonRead[i]["beat_case_distance"].f;
        pack.gunDistance = jsonRead[i]["gun_distance"].f;
        packsInfo[i] = pack;
    }
}

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編集2021-06-2

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