上一篇【第54篇】Netty在Elasticsearch中的应用——分布式搜索引擎的网络通信下一篇【第56篇】Netty内存管理策略——堆内存vs直接内存怎么选一、游戏服务器架构--------------------- | 接入层GateServer| | 负责连接管理转发 | --------------------- ↓ --------------------- | 逻辑层LogicServer| | 负责游戏逻辑处理 | --------------------- ↓ --------------------- | 存储层DBRedis | | 负责数据持久化 | ---------------------二、Protobuf协议// game.proto message GameMessage { enum Type { LOGIN 0; MOVE 1; ATTACK 2; CHAT 3; POSITION 4; } Type type 1; string playerId 2; bytes data 3; int64 timestamp 4; }三、房间管理publicclassRoomManager{privatestaticfinalMapString,RoomroomsnewConcurrentHashMap();publicclassRoom{privatefinalStringroomId;privatefinalSetChannelplayersConcurrentHashMap.newKeySet();privatefinalintmaxPlayers;publicbooleanjoin(Channelplayer){if(players.size()maxPlayers)returnfalse;players.add(player);broadcast(newPlayerJoinedMessage(player));returntrue;}publicvoidbroadcast(Objectmsg){for(Channelplayer:players){if(player.isActive()){player.writeAndFlush(msg);}}}publicvoidleave(Channelplayer){players.remove(player);broadcast(newPlayerLeftMessage(player));}}}四、帧同步publicclassFrameSyncHandlerextendsChannelInboundHandlerAdapter{privatestaticfinalintFRAME_RATE20;// 20帧/秒privatestaticfinallongFRAME_INTERVAL1000/FRAME_RATE;OverridepublicvoidchannelRead(ChannelHandlerContextctx,Objectmsg){GameMessagegameMsg(GameMessage)msg;switch(gameMsg.getType()){caseMOVE:// 收集操作指令统一在帧循环中处理operationQueue.add(newOperation(ctx.channel(),gameMsg));break;}}// 帧循环在独立线程中运行privatevoidframeLoop(){while(running){longstartSystem.currentTimeMillis();// 处理本帧所有操作ListOperationopsoperationQueue.drainAll();for(Operationop:ops){processOperation(op);}// 广播本帧状态broadcastFrameState();// 控制帧率longelapsedSystem.currentTimeMillis()-start;if(elapsedFRAME_INTERVAL){Thread.sleep(FRAME_INTERVAL-elapsed);}}}}五、性能优化// 游戏服务器特有优化newServerBootstrap().option(ChannelOption.SO_BACKLOG,4096).childOption(ChannelOption.TCP_NODELAY,true)// 禁用Nagle降低延迟.childOption(ChannelOption.SO_KEEPALIVE,true).childOption(ChannelOption.SO_RCVBUF,32*1024).childOption(ChannelOption.SO_SNDBUF,32*1024);六、总结组件作用GateServer接入层连接管理Protobuf高效二进制协议Room Manager房间管理消息广播帧同步定时循环处理操作上一篇【第54篇】Netty在Elasticsearch中的应用——分布式搜索引擎的网络通信下一篇【第56篇】Netty内存管理策略——堆内存vs直接内存怎么选