khanat-opennel-code/code/ryzom/server/src/frontend_service/vision_receiver.h
2013-07-27 04:03:05 +02:00

90 lines
2.5 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 NL_VISION_RECEIVER_H
#define NL_VISION_RECEIVER_H
#include "nel/misc/types_nl.h"
#include "game_share/player_vision_delta.h"
#include "entity_container.h"
#include <queue>
/**
* <Class description>
* \author Olivier Cado
* \author Nevrax France
* \date 2002
*/
class CVisionReceiver
{
public:
/// Constructor
CVisionReceiver();
/// Initialisation
void init();
/// Vision management : Get the first modified vision since the last EndUpdatedVision
inline TEntityIndex getFirstUpdatedVision()
{
return( _FirstUpdatedEntityVision );
}
/// Vision management : Get the next modified vision
inline TEntityIndex getNextUpdatedVision( const TEntityIndex& entityIndex )
{
return( TheEntityContainer->getEntity(entityIndex)->NextUpdatedEntityVision );
}
/// Vision management : Allow to loop on vision updates
inline bool visionChanged()
{
return _HasPendingDelta;
}
/// End an updating session
void endUpdatedVision();
protected:
/// Apply a new delta of vision
bool setVision( const CPlayerVisionDelta &visionDelta );
/// UpdateVision, unserial update vision message and process it
void updateNewVision( NLNET::CMessage& msgin );
friend void cbDeltaNewVision( NLNET::CMessage& msgin, const std::string &serviceName, NLNET::TServiceId serviceId );
private:
TEntityIndex _FirstUpdatedEntityVision;
// Queue to allow merging of several vision updates receives within the same cycle
bool _HasPendingDelta;
std::queue< std::list<CPlayerVisionDelta> > _NextDeltas;
};
// Callback for delta vision update received
void cbDeltaNewVision( NLNET::CMessage& msgin, const std::string &serviceName, NLNET::TServiceId serviceId );
#endif // NL_VISION_RECEIVER_H
/* End of vision_receiver.h */