2021年10月1日 (金) 05:52にAdminによる

2021-10-01T05:52:12Z

Admin: ページの作成:「==chatサンプル== ChatScene.cs

 using UnityEngine; using UnityEngine.UI; using Firebase.Database; using System;  public class ChatScene : MonoBehaviour {     void...」

2021-09-20T05:11:14Z

ページの作成:「==chatサンプル== ChatScene.cs <pre> using UnityEngine; using UnityEngine.UI; using Firebase.Database; using System; public class ChatScene : MonoBehaviour { void...」

新規ページ

==chatサンプル==
ChatScene.cs
<pre>
using UnityEngine;
using UnityEngine.UI;
using Firebase.Database;
using System;

public class ChatScene : MonoBehaviour
{
void Start()
{
DatabaseReference userReference = FirebaseDatabase.DefaultInstance.GetReference("chatusers");
userReference.ChildAdded += HandleChildAdded;
userReference.ChildChanged += HandleChildChanged;
userReference.ChildRemoved += HandleChildRemoved;
DatabaseReference msgReference = FirebaseDatabase.DefaultInstance.GetReference("chatmsgs");
msgReference.ChildAdded += ChatChildAdded;

InputField input = GameObject.Find("/Canvas/InputField").GetComponent<InputField>();
GameObject.Find("EnterButton").GetComponent<Button>().onClick.AddListener(delegate {
AddUser(input.text);
});
InputField chatInput = GameObject.Find("/Canvas/ChatInputField").GetComponent<InputField>();
GameObject.Find("ChatButton").GetComponent<Button>().onClick.AddListener(delegate {
SendChatMsg(chatInput.text);
chatInput.text = "";
});
// userReference.OnDisconnect();
// DatabaseReference.GoOffline();
}
// 受信追加された時
void HandleChildAdded(object sender, ChildChangedEventArgs args)
{
if (args.DatabaseError != null)
{
Debug.LogError(args.DatabaseError.Message);
return;
}
string json = args.Snapshot.GetRawJsonValue();
Debug.Log("HandleChildAdded=" + json); // {"email":"ttt@example","username":"ttt"}

User user = JsonUtility.FromJson<User>(json);
Debug.Log("HandleChildAdded username=" + user.username);
}
// 受信更新された時
void HandleChildChanged(object sender, ChildChangedEventArgs args)
{
if (args.DatabaseError != null)
{
Debug.LogError(args.DatabaseError.Message);
return;
}
string json = args.Snapshot.GetRawJsonValue();
Debug.Log("HandleChildChanged=" + json); // {"email":"ttt@example","username":"ttt"}

User user = JsonUtility.FromJson<User>(json);
Debug.Log("HandleChildChanged username=" + user.username);
}
// 受信削除された時
void HandleChildRemoved(object sender, ChildChangedEventArgs args)
{
if (args.DatabaseError != null)
{
Debug.LogError(args.DatabaseError.Message);
return;
}
string json = args.Snapshot.GetRawJsonValue();
Debug.Log("HandleChildRemoved=" + json); // {"email":"ttt@example","username":"ttt"}

User user = JsonUtility.FromJson<User>(json);
Debug.Log("HandleChildRemoved username=" + user.username);
}
// chat 受信追加された時
void ChatChildAdded(object sender, ChildChangedEventArgs args)
{
if (args.DatabaseError != null)
{
Debug.LogError(args.DatabaseError.Message);
return;
}
string json = args.Snapshot.GetRawJsonValue();
Debug.Log("ChatChildAdded=" + json);

Msg msg = JsonUtility.FromJson<Msg>(json);
GameObject.Find("Chat3Text").GetComponent<Text>().text = GameObject.Find("Chat2Text").GetComponent<Text>().text;
GameObject.Find("Chat2Text").GetComponent<Text>().text = GameObject.Find("Chat1Text").GetComponent<Text>().text;
Text chat1 = GameObject.Find("Chat1Text").GetComponent<Text>();
chat1.text = msg.text + "(" + msg.timestamp +")";
}
// 送信
void AddUser(string name)
{
User user = new User(name, name + "@example");
string json = JsonUtility.ToJson(user); // {"email":"ttt@example","username":"ttt"}
#if Unity_EDITOR
string userId = "pc";
#elif UNITY_ANDROID
string userId = "android";
#elif UNITY_IPHONE
string userId = "iphone";
#endif
FirebaseDatabase.DefaultInstance.GetReference("chatusers").Child(userId)
.SetRawJsonValueAsync(json);
}
void SendChatMsg(string text)
{
// userに存在しないキーを生成
string key = FirebaseDatabase.DefaultInstance.GetReference("chatmsgs").Push().Key;

var now = DateTime.UtcNow;
long unixtime = (long)(now - new DateTime(1970, 1, 1)).TotalSeconds;

Msg msg = new Msg(key, text, unixtime);
string json = JsonUtility.ToJson(msg);
FirebaseDatabase.DefaultInstance.GetReference("chatmsgs").Child(key)
.SetRawJsonValueAsync(json);
}
}
</pre>

User.cs
<pre>
public class User
{
public string username;
public string email;

public User()
{
}

public User(string username, string email)
{
this.username = username;
this.email = email;
}
}
</pre>
Msg.cs
<pre>
public class Msg
{
public string key;
public string text;
public long timestamp;

public Msg()
{
}

public Msg(string key, string text, long timestamp)
{
this.key = key;
this.text = text;
this.timestamp = timestamp;
}
}
</pre>

Unity/Firebase/Realtimedatabase/chat - 変更履歴

2021年10月1日 (金) 05:52にAdminによる

Admin: ページの作成:「==chatサンプル== ChatScene.cs
using UnityEngine; using UnityEngine.UI; using Firebase.Database; using System; public class ChatScene : MonoBehaviour { void...」

@@ 行109: / 行109: @@
          string key = FirebaseDatabase.DefaultInstance.GetReference("chatmsgs").Push().Key;
-         var now = DateTime.UtcNow;
+         Msg msg = new Msg(key, text, 0);
-         long unixtime = (long)(now - new DateTime(1970, 1, 1)).TotalSeconds;
+         json = json.Replace("\"unixtime\":0", "\"unixtime\":{\".sv\" : \"timestamp\"}"); // unixtimeをサーバー日時で設定
          string json = JsonUtility.ToJson(msg);
          FirebaseDatabase.DefaultInstance.GetReference("chatmsgs").Child(key)