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标题: 实现聊天功能的C#代码_教程 [打印本页]

作者: 她。 时间: 2012-6-29 14:21
标题: 实现聊天功能的C#代码_教程

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 = ***e;


         inputField = "";


         chatEntries = new ArrayList();


      }








         void OnGUI () {


         if (!showChat) return;


         if(Event.current.type==EventType.keyDown && Event.current.character=='
' & inputField.Length<=0)


         {


            if(lastUnfocusTime + .25f < Time.time)


            {


                  usingChat = ***e;


                  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=='
' & 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('
',' ');


            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);


         }


      }


}

作者: 王者再临 时间: 2012-12-30 04:15
学习了，虽然还是有难度，谢谢楼主的用心

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