[Socket+AMF3]给合Flash的Socket和AMF3来尝试开发web游戏引擎

  今天尝试用Socket和AMF3来开发web游戏引擎，用Flash的好处就是因为插件普及率高，无需用户另行安装，所以用Flash来开发丰富的Web游戏成为很好的选择。服务端仍然采用apache mina+AMF3来写Socket服务程序。
演示效果图：


客户端代码:游戏角色类

/**
* ...
* @author Kinglong
* @version 0.1
*/

package  project.test {

    import  flash.display.*;
    import  flash.events.*;

    import  gs.TweenLite;

    public   class  GameRole  extends  Sprite {
        private  var _id:uint;
        private  var tween:TweenLite;
        public  function GameRole(id:uint,self:Boolean= false ) {
            mouseChildren = false ;
            mouseEnabled = false ;
            _id = id;
            if (self){
                this .graphics.beginFill( 0xFF0000 );
            }else  {
                this .graphics.beginFill( 0x000000 ,  0.6 );
            }
            this .graphics.drawRoundRect( - 10 , - 10 ,  20 ,  20 ,  10 ,  10 );
            this .graphics.endFill();
        }

        public  function move(x:Number,y:Number): void  {
            remove();
            this .x = x;
            this .y = y;
        }

        public  function to(x:Number, y:Number): void  {
            remove();
            tween = TweenLite.to(this ,  1 , { x:x, y:y } );
        }

        public  function get id():uint {
            return  _id;
        }

        private  function remove(): void  {
            if  (tween !=  null ) {
                TweenLite.removeTween(tween);
                tween = null ;
            }
        }


    }

}

/** * ... * @author Kinglong * @version 0.1 */ package project.test { import flash.display.*; import flash.events.*; import gs.TweenLite; public class GameRole extends Sprite { private var _id:uint; private var tween:TweenLite; public function GameRole(id:uint,self:Boolean=false) { mouseChildren = false; mouseEnabled = false; _id = id; if(self){ this.graphics.beginFill(0xFF0000); }else { this.graphics.beginFill(0x000000, 0.6); } this.graphics.drawRoundRect( -10, -10, 20, 20, 10, 10); this.graphics.endFill(); } public function move(x:Number,y:Number):void { remove(); this.x = x; this.y = y; } public function to(x:Number, y:Number):void { remove(); tween = TweenLite.to(this, 1, { x:x, y:y } ); } public function get id():uint { return _id; } private function remove():void { if (tween != null) { TweenLite.removeTween(tween); tween = null; } } } }

文档类

/**
* ...
* @author Kinglong
* @version 0.1
*/

package  project.test {

    import  flash.display.*;
    import  flash.events.*;
    import  flash.net.Socket;
    import  flash.net.ObjectEncoding;
    import  flash.text.TextField;
    import  flash.utils.ByteArray;
    import  flash.utils.Dictionary;

    import  com.klstudio.data.Map;

    public   class  TestGame  extends  Sprite {
        private  var _socket:Socket;
        private  var _id:uint;
        private  var _lists:Map;
        private  var _info:TextField;
        public  function TestGame() {
            _info = new  TextField();
            _info.selectable = false ;
            _info.text = "未连接" ;
            addChild(_info);

            stage.addEventListener(MouseEvent.MOUSE_UP, handler);
            _lists = new  Map();
            _socket = new  Socket();
            _socket.objectEncoding = ObjectEncoding.AMF3;
            configureListeners(_socket);
            _socket.connect("localhost" ,  110 );
        }

        private  function configureListeners(dispatcher:IEventDispatcher): void  {
            dispatcher.addEventListener(Event.CLOSE, handler);
            dispatcher.addEventListener(Event.CONNECT, handler);
            dispatcher.addEventListener(IOErrorEvent.IO_ERROR, handler);
            dispatcher.addEventListener(SecurityErrorEvent.SECURITY_ERROR, handler);
            dispatcher.addEventListener(ProgressEvent.SOCKET_DATA, handler);
        }

        private  function handler(event:Event): void  {
            switch (event.type) {
                case  ProgressEvent.SOCKET_DATA:
                    var bytes:ByteArray = new  ByteArray();
                    _socket.readBytes(bytes);
                    bytes.uncompress();
                    receive(bytes.readObject());
                    break ;
                case  Event.CLOSE:
                    debug("连接关闭" );
                    removeAll();
                    break ;
                case  Event.CONNECT:
                    debug("连接中..." );
                    break ;
                case  IOErrorEvent.IO_ERROR:
                case  SecurityErrorEvent.SECURITY_ERROR:
                    debug("连接失败" );
                    break ;
                case  MouseEvent.MOUSE_UP:
                    var mEvent:MouseEvent = event as MouseEvent;
                    send(this .mouseX,  this .mouseY);
                    break ;
            }
        }

        private  function send(x:Number, y:Number): void  {
            if  (!_socket.connected) {
                return ;
            }
            var bytes:ByteArray = new  ByteArray();
            bytes.writeObject( { event:"move" , x:x, y:y } );
            bytes.compress();
            _socket.writeBytes(bytes);
            _socket.flush();
        }

        private  function receive(object:Object): void  {
            switch (object.event) {
                case   "init" :
                    init(object.id);
                    for  (var i:uint =  0 ; i < object.list.length; i++ ) {
                        var item:Object = object.list[i];
                        add(item.id, item.x, item.y);
                    }
                    break ;
                case   "move" :
                    move(object.id, object.x, object.y);
                    break ;
                case   "remove" :
                    remove(object.id);
                    break ;
                case   "add" :
                    add(object.id);
                    break ;
            }
        }

        private  function init(id:uint): void  {
            this ._id = id;
            add(id);
        }

        private  function add(id:uint, x:Number = undefined, y:Number = undefined): void  {
            x = x || stage.stageWidth / 2 ;
            y = y || stage.stageHeight / 2 ;
            if  (_lists.containsKey(id)) {
                return ;
            }
            var role:GameRole = new  GameRole(id,_id == id);
            role.move(x,y);
            addChild(role);
            _lists.put(id, role);
        }

        private  function move(id:uint, x:Number, y:Number): void  {
            if  (_lists.containsKey(id)) {
                var role:GameRole = _lists.get(id);
                role.to(x, y);
            }
        }

        private  function remove(id:uint): void  {
            if  (_lists.containsKey(id)) {
                var role:GameRole = _lists.remove(id);
                trace(role);
                if  ( this .contains(role)) {
                    removeChild(role);
                }
                role = null ;
            }
        }

        private  function removeAll(): void  {
            var keys:Array = _lists.keys();
            for  (var i:uint =  0 ; i < keys.length; i++ ) {
                var role:GameRole = _lists.remove(keys[i]);
                if  ( this .contains(role)) {
                    removeChild(role);
                }
                role = null ;
            }
        }

        private  function debug(msg:String): void  {
            _info.text = msg;
            trace(msg);
        }

    }

}

/** * ... * @author Kinglong * @version 0.1 */ package project.test { import flash.display.*; import flash.events.*; import flash.net.Socket; import flash.net.ObjectEncoding; import flash.text.TextField; import flash.utils.ByteArray; import flash.utils.Dictionary; import com.klstudio.data.Map; public class TestGame extends Sprite { private var _socket:Socket; private var _id:uint; private var _lists:Map; private var _info:TextField; public function TestGame() { _info = new TextField(); _info.selectable = false; _info.text = "未连接"; addChild(_info); stage.addEventListener(MouseEvent.MOUSE_UP, handler); _lists = new Map(); _socket = new Socket(); _socket.objectEncoding = ObjectEncoding.AMF3; configureListeners(_socket); _socket.connect("localhost", 110); } private function configureListeners(dispatcher:IEventDispatcher):void { dispatcher.addEventListener(Event.CLOSE, handler); dispatcher.addEventListener(Event.CONNECT, handler); dispatcher.addEventListener(IOErrorEvent.IO_ERROR, handler); dispatcher.addEventListener(SecurityErrorEvent.SECURITY_ERROR, handler); dispatcher.addEventListener(ProgressEvent.SOCKET_DATA, handler); } private function handler(event:Event):void { switch(event.type) { case ProgressEvent.SOCKET_DATA: var bytes:ByteArray = new ByteArray(); _socket.readBytes(bytes); bytes.uncompress(); receive(bytes.readObject()); break; case Event.CLOSE: debug("连接关闭"); removeAll(); break; case Event.CONNECT: debug("连接中..."); break; case IOErrorEvent.IO_ERROR: case SecurityErrorEvent.SECURITY_ERROR: debug("连接失败"); break; case MouseEvent.MOUSE_UP: var mEvent:MouseEvent = event as MouseEvent; send(this.mouseX, this.mouseY); break; } } private function send(x:Number, y:Number):void { if (!_socket.connected) { return; } var bytes:ByteArray = new ByteArray(); bytes.writeObject( { event:"move", x:x, y:y } ); bytes.compress(); _socket.writeBytes(bytes); _socket.flush(); } private function receive(object:Object):void { switch(object.event) { case "init": init(object.id); for (var i:uint = 0; i < object.list.length; i++ ) { var item:Object = object.list[i]; add(item.id, item.x, item.y); } break; case "move": move(object.id, object.x, object.y); break; case "remove": remove(object.id); break; case "add": add(object.id); break; } } private function init(id:uint):void { this._id = id; add(id); } private function add(id:uint, x:Number = undefined, y:Number = undefined):void { x = x || stage.stageWidth / 2; y = y || stage.stageHeight / 2; if (_lists.containsKey(id)) { return; } var role:GameRole = new GameRole(id,_id == id); role.move(x,y); addChild(role); _lists.put(id, role); } private function move(id:uint, x:Number, y:Number):void { if (_lists.containsKey(id)) { var role:GameRole = _lists.get(id); role.to(x, y); } } private function remove(id:uint):void { if (_lists.containsKey(id)) { var role:GameRole = _lists.remove(id); trace(role); if (this.contains(role)) { removeChild(role); } role = null; } } private function removeAll():void { var keys:Array = _lists.keys(); for (var i:uint = 0; i < keys.length; i++ ) { var role:GameRole = _lists.remove(keys[i]); if (this.contains(role)) { removeChild(role); } role = null; } } private function debug(msg:String):void { _info.text = msg; trace(msg); } } }

这个尝试的游戏引擎功能很简单的，接下来可以加上更丰富的功能了 ...