Question

我在从纹理数据创建字节数组时遇到了问题。我有两个函数，一个将纹理写入文件（正在工作），另一个将纹理数据写入一个数组，然后将其处理成一个字符串。我试图测试它是否适用于调试＆＃39; Debug.Log（＆＃34;局部变量textureString是：＆＃34; + textureString）;＆＃39;但它是空的。我有什么不对？为了清楚地了解我在整体上想要完成的事情，我创建了一个图表来说明：

所以我有4个客户端运行一个允许用户创建自定义纹理的应用程序，然后是第五个运行不同应用程序的客户端，该应用程序获取该纹理信息并使用它来实例化基于texture2d，字符串动物类型的自定义字符，和字符串客户端ID。

    public byte[] textureBytes;
    public string textureString;
    public string textureType;

    public void WriteTextureToBytes()
    {
        SaveColoringBookTexturePNG();

        StartCoroutine(DoWriteTextureToBytes());
        Debug.Log("WriteTextureToBytes Button Pressed.");
    }

    IEnumerator DoWriteTextureToBytes()
    {
        yield return new WaitForEndOfFrame();
        RenderTexture tmp = RenderTexture.active;
        RenderTexture.active = BackLayerController.RenderTexture;

        TmpTexture2D.ReadPixels(new Rect(0, 0, RenderTextureSize.x, RenderTextureSize.y), 0, 0, false);

        textureBytes = TmpTexture2D.GetRawTextureData();
        textureString = Encoding.UTF8.GetString(textureBytes);
        textureType = PageConfig.UniqueId;

        player = GameObject.FindGameObjectWithTag("Player");
        player.GetComponent<PlayerController>().AnimalTex = textureString;
        player.GetComponent<PlayerController>().AnimalType = textureType;

        Debug.Log("Local variable textureType is : " + textureType);
        Debug.Log("Local variable textureString is : " + textureString);
        Debug.Log("PlayerController AnimalType is : " + player.GetComponent<PlayerController>().AnimalType);
        Debug.Log("PlayerController AnimalTex is : " + player.GetComponent<PlayerController>().AnimalTex);
    }

    public void SaveColoringBookTexturePNG()
    {
        StartCoroutine(DoSaveColoringBookTexturePNG());
    }

    IEnumerator DoSaveColoringBookTexturePNG()
    {
        yield return new WaitForEndOfFrame();
        RenderTexture tmp = RenderTexture.active;
        RenderTexture.active = BackLayerController.RenderTexture;

        TmpTexture2D.ReadPixels(new Rect(0, 0, RenderTextureSize.x, RenderTextureSize.y), 0, 0, false);

        File.WriteAllBytes(SaveFilePath, TmpTexture2D.EncodeToPNG());

        Debug.Log("File Saved to: " + SaveFilePath);
    }

Answer 1

我以为我需要先将数组转换为字符串通过网络发送。也许我没有？

没有。您可以使用NetworkServer.SendBytesToPlayer向具有MessageBase的玩家发送字节数组，但我建议您使用NetworkServer.SendToAll，因为您希望通过网络发送多个数据。 永远不要将纹理转换为字符串。这是一个缓慢而糟糕的编程。

只需创建一个类，该类将包含您要通过网络发送的所有变量。确保此类派生自MessageBase。当您从派生时，Unity会自动为您在该类中序列化这些变量，这样您就不必自己完成。

服务器：

这是包含Texture数组（textureBytes）和简单字符串消息的服务器示例：

public class MyMsgType { public static short texture = MsgType.Highest + 1; }; //Create a class that holds a variables to send public class TextureMessage : MessageBase { public byte[] textureBytes; public string message;//Optional } //Call to send the Texture and a simple string message public void sendTexture(Texture2D texture, string message) { TextureMessage msg = new TextureMessage(); //Convert Texture2D to byte array msg.textureBytes = texture.GetRawTextureData(); msg.message = message; NetworkServer.SendToAll(MyMsgType.texture, msg); }

USAGE ：

然后在连接到网络时简单发送：

Texture2D textureToSend = ....; string messageToSend = "Screen Short Image"; sendTexture(textureToSend , messageToSend);

<强>客户端：

客户也很容易。注册MyMsgType活动，以便在收到Texture2D时收到通知。收到后，使用LoadRawTextureData将字节数组转换回Texture2D。

public class MyMsgType { public static short texture = MsgType.Highest + 1; }; //Create a class that holds a variables to send public class TextureMessage : MessageBase { public byte[] textureBytes; public string message;//Optional } NetworkClient myClient; // Create a client and connect to the server port public void setupClient() { //Create new client myClient = new NetworkClient(); //Register to connect event myClient.RegisterHandler(MsgType.Connect, OnConnected); //Register to texture receive event myClient.RegisterHandler(MyMsgType.texture, OnTextureReceive); //Connect to server myClient.Connect("127.0.0.1", 4444); } //Called when texture is received public void OnTextureReceive(NetworkMessage netMsg) { TextureMessage msg = netMsg.ReadMessage<TextureMessage>(); //Your Received message string message = msg.message; Debug.Log("Texture Messsage " + message); //Your Received Texture2D Texture2D receivedtexture = new Texture2D(4, 4); receivedtexture.LoadRawTextureData(msg.textureBytes); receivedtexture.Apply(); } public void OnConnected(NetworkMessage netMsg) { Debug.Log("Connected to server"); }

USAGE ：

注册接收事件然后连接到服务器。只需调用setupClient()函数即可。

setupClient();

Unity - 将纹理数据写入字节数组会产生空数组

1 个答案: