khanat-opennel-code/code/ryzom/common/src/game_share/dyn_chat.h

227 lines
8 KiB
C++

// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef DYN_CHAN_H
#define DYN_CHAN_H
#include "nel/misc/entity_id.h"
#include "nel/misc/historic.h"
#include "base_types.h"
// forward declarations
class CDynChatClient;
class CDynChatChan;
// identifier of a dynchat channel
//typedef uint32 TChanID;
typedef NLMISC::CEntityId TChanID;
// tag for invalid channel
const TChanID DYN_CHAT_INVALID_CHAN = NLMISC::CEntityId::Unknown;
const std::string DYN_CHAT_INVALID_NAME;
/// Message payload for player input forward to channel service owner
struct TPlayerInputForward
{
TChanID ChanID;
TDataSetRow Sender;
ucstring Content;
void serial(NLMISC::IStream &f)
{
f.serial(ChanID);
f.serial(Sender);
f.serial(Content);
}
};
//===================================================================================================================
/** This class represents an interaction between a client and a channel in a dynamic chat
* A session is initiated from a CDynChat instance.
*/
class CDynChatSession
{
NL_INSTANCE_COUNTER_DECL(CDynChatSession);
public:
uint32 StringID; // string ID for EGS (to fill client DB)
bool WriteRight; // in read-only mode client can't talk in the channel
public:
// Get next session for client
CDynChatSession *getNextClientSession() { return _NextClientSession; }
// Get next session for channel
CDynChatSession *getNextChannelSession() { return _NextChannelSession; }
// Get the client taking part to this session
CDynChatClient *getClient() { return _Client; }
// Get the channel hosting that session
CDynChatChan *getChan() { return _Channel; }
private:
CDynChatClient *_Client;
CDynChatChan *_Channel;
CDynChatSession *_NextClientSession;
CDynChatSession **_PrevClientSession; // Pointer on 'next' field in previous client session, or start of linked list
CDynChatSession *_NextChannelSession;
CDynChatSession **_PrevChannelSession; // Pointer on 'next' field in previous channel session, or start of linked list
// remove the session
void unlink();
// ctor
CDynChatSession(CDynChatClient *client, CDynChatChan *channel);
~CDynChatSession();
friend class CDynChat;
friend class CDynChatClient;
friend class CDynChatChan;
static uint _NumSessions;
};
//===================================================================================================================
/** A client in a dyn chat system. Should be created from a CDynChat instance.
*/
class CDynChatClient
{
public:
// ctor
CDynChatClient(const TDataSetRow &client = TDataSetRow());
~CDynChatClient();
// Head of linked list of sessions for this channel. List must be followed by calling CDynChatSession::getNextClientSession.
CDynChatSession *getFirstSession() { return _FirstSession; }
const TDataSetRow &getID() const { return _ID; }
// Return session for this client in channel 'chan', or NULL if no such session exists
CDynChatSession *getSession(TChanID chan) const;
private:
CDynChatSession *_FirstSession;
TDataSetRow _ID;
friend class CDynChatSession;
friend class CDynChat;
};
//===================================================================================================================
/** A channel in a dyn chat system. Should be created from a CDynChat instance.
*/
class CDynChatChan
{
public:
struct CHistoricEntry
{
ucstring String;
// TDataSetRow Sender;
ucstring SenderString;
};
NLMISC::CHistoric<CHistoricEntry> Historic; // historic of messages for IOS
uint HistoricSize; // Historic size for EGS
bool Localized; // for EGS only
ucstring Title; // gives the title of the channel when it is not translated (e.g Localized == false)
bool HideBubble; // hide the display of bubble
public:
CDynChatChan();
// CDynChatChan(TChanID id = NLMISC::CEntityId::Unknown, NLNET::TServiceId ownerServiceId, bool noBroadcast, bool forwadInput);
CDynChatChan(TChanID id, bool noBroadcast, bool forwardInput, bool unified);
~CDynChatChan();
// Get ID for that channel
TChanID getID() const { return _ID; }
// Head of linked list of sessions for this channel. List must be followed by calling CDynChatSession::getNextChannelSession.
CDynChatSession *getFirstSession() { return _FirstSession; }
// Count number of session in that channel (in O(n))
uint getSessionCount() const;
bool getDontBroadcastPlayerInputs() { return _DontBroadcastPlayerInputs; }
bool getForwardPlayerIntputToOwnerService() { return _ForwardPlayerIntputToOwnerService;}
bool getUnifiedChannel() { return _UnifyChannel;}
private:
CDynChatSession *_FirstSession;
TChanID _ID;
/// Flag to disable client broadcasting
bool _DontBroadcastPlayerInputs;
/// Flag to activate player input forwarding to owner service.
bool _ForwardPlayerIntputToOwnerService;
/// Flag to activate unification (domain wide) of this channel
bool _UnifyChannel;
friend class CDynChatSession;
friend class CDynChat;
};
//===================================================================================================================
/** Data structure to store clients / channels / sessions
* To be used by both IOS & EGS
*
* \TODO : Would be good to generalize the pattern used as something like NLMISC::CBinaryRelation<CompoundA, CompoundB, Relation>
* This would avoid to have fields for one service that aren't used by another (like the historic...)
*
* \author Nicolas Vizerie
* \author Nevrax France
* \date 2004
*/
class CDynChat
{
private:
typedef std::map<TChanID, CDynChatChan> TChanMap;
typedef std::map<TDataSetRow, CDynChatClient> TClientMap;
public:
// ctor
CDynChat();
// dtor
~CDynChat();
/** Create a new channel with the given ID. A warning is issued if channel already exists.
* \return true if creation succeeded
*/
bool addChan(TChanID chan, bool noBroadcast, bool forwardInput, bool unify);
// Remove channel with the given ID. Return true if success
bool removeChan(TChanID chan);
// Add a client with the given ID. Return true if success
bool addClient(const TDataSetRow &client);
// Remove client from its ID. Return true if success
bool removeClient(const TDataSetRow &client);
/** Create a new session in channel 'chan' for the client 'client'. No-op if session already exists
* \return pointer on created session
*/
CDynChatSession *addSession(TChanID chan, const TDataSetRow &client);
// Stop session in channel 'chan' for the client 'client'.
bool removeSession(TChanID chan, const TDataSetRow &client);
// Get channel object from its ID or NULL if not found.
CDynChatChan *getChan(TChanID chan);
// Get client object from its ID or NULL if not found.
CDynChatClient *getClient(const TDataSetRow &client);
// Get a session or NULL if not found
CDynChatSession *getSession(TChanID chan, const TDataSetRow &client);
// Get channels
typedef std::vector<CDynChatChan *> TChanPtrVector;
void getChans(TChanPtrVector &channels);
// Remove all channels
void removeAllChannels() { _Chans.clear(); }
private:
//
TChanMap _Chans;
TClientMap _Clients;
};
#endif