khanat-code-old/code/ryzom/client/src/property_decoder.h

130 lines
4.4 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_PROPERTY_DECODER_H
#define NL_PROPERTY_DECODER_H
#include <vector>
#include <deque>
#include "nel/misc/types_nl.h"
#include "nel/misc/vector.h"
#include "nel/misc/vectord.h"
#include "game_share/entity_types.h"
#include "game_share/action.h"
/**
* An engine that allows to encode/decode continuous properties using delta values.
* \author Benjamin Legros
* \author Nevrax France
* \date 2001
*/
class CPropertyDecoder
{
private:
/*
/// A property entry, containing Garanted, ToGaranty and LastReceived values of action
class CPropertyEntry
{
public:
CLFECOMMON::CAction::TValue LastReceived;
CLFECOMMON::TPacketNumber Packet;
void init() { Packet = 0xFFFFFFFF; LastReceived = 0; }
};
*/
/// An entity entry, containing properties for this entity
class CEntityEntry
{
public:
CEntityEntry() : AssociationBits(0), EntryUsed(false), PosIsRelative(false), PosIsInterior(false) {}
CLFECOMMON::TSheetId Sheet;
uint16 AssociationBits;
bool EntryUsed;
bool PosIsRelative;
bool PosIsInterior;
// CPropertyEntry Properties[CLFECOMMON::LAST_CONTINUOUS_PROPERTY+1];
};
/// The entity entries
std::vector<CEntityEntry> _Entities;
//
uint16 _RefBitsX,
_RefBitsY,
_RefBitsZ;
//
sint32 _RefPosX,
_RefPosY;
// _RefPosZ;
public:
/// Constructor
CPropertyDecoder();
//
void init(uint maximum) { setMaximumEntities(maximum); clear (); }
void setMaximumEntities(uint maximum);
void clear();
void addEntity(CLFECOMMON::TCLEntityId entity, CLFECOMMON::TSheetId sheet);
bool removeEntity(CLFECOMMON::TCLEntityId entity);
uint16& associationBits( CLFECOMMON::TCLEntityId entity ) { return _Entities[entity].AssociationBits; }
bool isUsed(CLFECOMMON::TCLEntityId entity) const { return _Entities[entity].EntryUsed; }
CLFECOMMON::TSheetId sheet(CLFECOMMON::TCLEntityId entity) const { return _Entities[entity].Sheet; }
/** Receives actions from the front end. Actually transmits actions received
* by the client to the property decoder.
* \param packetNumber the number of the packet received
* \param ack the number of the acknowledged packet by the front end
* \param actions the actions sent to the client by the front end
*/
void receive(CLFECOMMON::TPacketNumber packetNumber, CLFECOMMON::TPacketNumber ack, std::vector<CLFECOMMON::CAction *> &actions);
/** Receives single action from the front end. Actually transmits action received
* by the client to the property decoder.
* \param packetNumber the number of the packet received
* \param ack the number of the acknowledged packet by the front end
* \param action the action sent to the client by the front end
*/
void receive(CLFECOMMON::TPacketNumber packetNumber, CLFECOMMON::CAction *action);
/// Decode x and y
void decodeAbsPos2D( sint32& x, sint32& y, uint16 x16, uint16 y16 )
{
x = _RefPosX + (((sint32)((sint16)(x16 - _RefBitsX))) << 4);
y = _RefPosY + (((sint32)((sint16)(y16 - _RefBitsY))) << 4);
}
/// Set player's reference position
void setReferencePosition(const NLMISC::CVectorD &position);
/// Retrieves a property value.
// const CLFECOMMON::CAction::TValue &getProperty(CLFECOMMON::TCLEntityId entity, CLFECOMMON::TProperty property) const;
/// Retrieves an entity position.
// void getPosition(CLFECOMMON::TCLEntityId entity, CLFECOMMON::CAction::TValue &posx, CLFECOMMON::CAction::TValue &posy, CLFECOMMON::CAction::TValue &posz) const;
};
#endif // NL_PROPERTY_DECODER_H
/* End of property_decoder.h */