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#ifndef NETWORK_OBJECT_HH

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#define NETWORK_OBJECT_HH

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#include <map>

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typedef uint32_t NetworkObjectID;

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typedef uint16_t NetworkMessageID;

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// forward-declare

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class NetworkObject;

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class NetworkObject_Client;

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class NetworkObject_Server;

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class NetworkObjectController {

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    friend class NetworkObject;

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    friend class NetworkObject_Server;

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    friend class NetworkObject_Client;

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    private:

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        NetworkSession &session;

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        NetworkChannelID channel_id;

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        std::map<NetworkObjectID, NetworkObject*> objects;

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        CL_Slot slot_message;

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    protected:

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        NetworkObjectController (NetworkSession &session, NetworkChannelID channel_id);

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    private:

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        void on_message (NetworkPacket &pkt, NetworkNode *node);

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    protected:

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        virtual void handle_create (NetworkObjectID obj_id, NetworkMessageID msg_id, NetworkPacket &pkt, NetworkNode *node) = 0; 

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};

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class NetworkObject_ServerController : public NetworkObjectController {

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    friend class NetworkObject_Server;

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    private:

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        NetworkObjectID id_pool;

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    public:

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        NetworkObject_ServerController (NetworkSession &session, NetworkChannelID channel_id);

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    protected:

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        NetworkObjectID getObjectID (void);

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        virtual void handle_create (NetworkObjectID obj_id, NetworkMessageID msg_id, NetworkPacket &pkt, NetworkNode *node);

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};

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class NetworkObject_ClientController : public NetworkObjectController {

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    friend class NetworkObject_Client;

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    private:

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        NetworkNode *server;

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        CL_Signal_v3<NetworkObject_Client*, NetworkMessageID, NetworkPacket&> _sig_create;

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    public:

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        NetworkObject_ClientController (NetworkSession &session, NetworkChannelID channel_id, NetworkNode *server);

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    protected:

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        virtual void handle_create (NetworkObjectID obj_id, NetworkMessageID msg_id, NetworkPacket &pkt, NetworkNode *node);

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    public:  

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        CL_Signal_v3<NetworkObject_Client*, NetworkMessageID, NetworkPacket&>& sig_create (void) { return _sig_create; }

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};

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class NetworkObject {

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    friend class NetworkObjectController;

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    friend std::ostream& operator<< (std::ostream &s, const NetworkObject &obj);

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    protected:

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        NetworkObjectID obj_id;

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    protected:

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        NetworkObject (NetworkObjectController &controller, NetworkObjectID obj_id);

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        virtual void handle_packet (NetworkNode *node, NetworkMessageID msg_id, NetworkPacket &pkt) = 0;

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        void buildPacket (NetworkPacket &pkt, NetworkMessageID msg_id, const NetworkPacket &payload);

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};

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std::ostream& operator<< (std::ostream &s, const NetworkObject &obj);

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class NetworkObject_Server : public NetworkObject {

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    friend class NetworkObject_ServerController;

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    private:

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        NetworkObject_ServerController &controller;

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        std::map<NetworkMessageID, CL_Signal_v2<NetworkNode*, NetworkPacket&> > _map_sig_message;

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    public:

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        NetworkObject_Server (NetworkObject_ServerController &controller);

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    protected:

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        virtual void handle_packet (NetworkNode *node, NetworkMessageID msg_id, NetworkPacket &pkt);

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    public:

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        void send_to (NetworkNode *dst, NetworkMessageID msg_id, const NetworkPacket &pkt, bool reliable = true);

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        void send_all (NetworkMessageID msg_id, const NetworkPacket &pkt, bool reliable = true);

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        void send_all_except (NetworkMessageID msg_id, const NetworkPacket &pkt, NetworkNode *black_sheep, bool reliable = true);

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        CL_Signal_v2<NetworkNode*, NetworkPacket&>& sig_message (NetworkMessageID msg_id) { return _map_sig_message[msg_id]; }

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};

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class NetworkObject_Client : public NetworkObject {

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    friend class NetworkObject_ClientController;

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    private:

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        NetworkObject_ClientController &controller;

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        std::map<NetworkMessageID, CL_Signal_v1<NetworkPacket&> > _map_sig_message;

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    protected:

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        NetworkObject_Client (NetworkObject_ClientController &controller, NetworkObjectID id);

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        virtual void handle_packet (NetworkNode *node, NetworkMessageID msg_id, NetworkPacket &pkt);

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    public:

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        void send (NetworkMessageID msg_id, const NetworkPacket &pkt, bool reliable = true);

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        CL_Signal_v1<NetworkPacket&>& sig_message (NetworkMessageID msg_id) { return _map_sig_message[msg_id]; }

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};

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#endif /* NETWORK_OBJECT_HH */