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标题: unity3d中实现聊天功能的C#代码_（转载） [打印本页]

作者: 她。 时间: 2013-4-27 09:33
标题: unity3d中实现聊天功能的C#代码_（转载）
unity3d中实现聊天功能的C#代码_教程
本文章忘记了出自哪里的了。所以作者就不要见怪了。
using UnityEngine;
using System.Collections;
public class Chat : MonoBehaviour {
      bool usingChat = false;
bool showChat = false;
string inputField = "";
Vector2 scrollposition;
int width = 500;
int height = 200;
string playerName;
float lastUnfocusTime = 0;
Rect window;
ArrayList playerList = new ArrayList();
class PlayerNode
{
      public string playerName;
      public NetworkPlayer player;//NetworkPlayer是一个数据结构，保存着你可以从网络定位的另一位玩家的信息。比如，基于NetworkPlayer你可以向另外一个玩家发送消息。
}
ArrayList chatEntries=new ArrayList();
class ChatEntry
{
      public string name="";
      public string text="";
}
      // Use this for initialization
      void Start () {
      window = new Rect(Screen.width / 2-width/2,Screen.height-height+5,width,height);
      }
void OnConnectedToServer()
{
            playerName = PlayerPrefs.GetString("playerName","");
      if(playerName=="")
      {
         playerName = "RandomName"+Random.Range(1,999);
      }
      ShowChatWindow();
      networkView.RPC("TellServerOurName",RPCMode.Server,playerName);//在所有连接端调用一个RPC函数。
      addGameChatMessage(playerName+" hase just joined the chat!");
}

void OnServerInitialized()
{
            playerName = PlayerPrefs.GetString("playerName","");
      if(playerName=="")
      {
         playerName = "RandomName"+Random.Range(1,999);
      }
      ShowChatWindow();
      PlayerNode newEntry =new  PlayerNode();
      newEntry.playerName = playerName;
      newEntry.player = Network.player;
      playerList.Add(newEntry);
      addGameChatMessage(playerName+" hase just joined the chat!");
}
PlayerNode GetPlayerNode(NetworkPlayer netPlay)
{
      foreach(PlayerNode entry in playerList)
      {
         if(entry.player==netPlay)
         {
            return entry;
         }

      }
      Debug.LogError("GetPlayNode:Requested a playernode of non-existing player!");
      return null;
}
void OnPlayerDisconnected(NetworkPlayer netPlayer)//当一个玩家从服务器上断开时在服务器端调用。
{
      addGameChatMessage("A Player has discinnected");
      playerList.Remove(GetPlayerNode(netPlayer));
}
void OnDisconnectedFromServer()
{
      CloseChatWindow();
}

[RPC]
void TellServerOurName(string name,NetworkMessageInfo info)//NetworkMessageInfo 网络数据信息,刚从网络接收的数据的相关信息会被保存到这个结构中。它揭示了从哪里来（数据源），什么时间发送和什么网络视图发送；其中包括：数据源、发送时间、网络视图。http://3d.ceeger.com/Script/NetworkMessageInfo/NetworkMessageInfo.html
{
      PlayerNode newEntry = new PlayerNode();
      newEntry.playerName = playerName;
      newEntry.player = Network.player;
      playerList.Add(newEntry);
      addGameChatMessage(playerName+" has just joined the chat!");
}
      void CloseChatWindow()
{
      showChat = false;
      inputField = "";
      chatEntries = new ArrayList();
}
      void ShowChatWindow()
{
      showChat = true;
      inputField = "";
      chatEntries = new ArrayList();
}


      void OnGUI () {
      if (!showChat) return;
      if(Event.current.type==EventType.keyDown && Event.current.character=='\n' & inputField.Length<=0)
      {
         if(lastUnfocusTime + .25f < Time.time)
         {
            usingChat = true;
            GUI.FocusWindow(5);
            GUI.FocusControl("Chat input field");
         }
      }
      window = GUI.Window(5,window,GlobalChatWindow,"");
      }
void GlobalChatWindow(int id)
{
      GUILayout.BeginVertical();
      GUILayout.Space(10);
      GUILayout.EndVertical();
      scrollposition = GUILayout.BeginScrollView(scrollposition);
      foreach(ChatEntry entry in chatEntries)
      {
         GUILayout.BeginHorizontal();
         if (entry.name == " - ")
         {
            GUILayout.Label(entry.name + entry.text);
         }
         else
         {
            GUILayout.Label(entry.name+": "+entry.text);
         }
         GUILayout.EndHorizontal();
         GUILayout.Space(2);
      }
      GUILayout.EndScrollView();
      if(Event.current.type==EventType.keyDown && Event.current.character=='\n' & inputField.Length>0)
      {
         HitEnter(inputField);
      }
      GUI.SetNextControlName("Chat input field");
      inputField = GUILayout.TextField(inputField);
      if(Input.GetKeyDown("mouse 0"))
      {
         if(usingChat)
         {
            usingChat = false;
            GUI.UnfocusWindow();
            lastUnfocusTime = Time.time;
         }
      }
}
      void HitEnter(string msg)
      {
         msg = msg.Replace('\n',' ');
         networkView.RPC("ApplyGlobalChatText",RPCMode.All,playerName,msg);
      }
[RPC]
void ApplyGlobalChatText(string name,string msg)
{
      ChatEntry entry=new ChatEntry();
   entry.name=name;
   entry.text=msg;
   chatEntries.Add(entry);
   if(chatEntries.Count>4)
   {
         chatEntries.RemoveAt(0);
   }
   scrollposition.y=1000000;
   inputField="";
}
void addGameChatMessage(string str)
{
      ApplyGlobalChatText(" - ",str);
      if(Network.connections.Length>0)
      {
         networkView.RPC("ApplyGlobalChatText",RPCMode.Others," - ",str);
      }
}
}

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