unity3d中实现聊天功能的C#代码_教程

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发表于 2011-11-3 14:43:00 |只看该作者 |倒序浏览

         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);


               }


            }


         }