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205 lines
5.5 KiB
C++
205 lines
5.5 KiB
C++
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef NL_CELL_H
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#define NL_CELL_H
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#include "nel/misc/types_nl.h"
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#include "nel/misc/debug.h"
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#include "world_entity.h"
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/**
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* CCell contained entity in this cell and updated entity
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* \author Alain Saffray
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* \author Nevrax France
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* \date 2002
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*/
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class CCell
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{
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public:
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/// default constructor
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CCell() : _LastVisionUpdate(0) {}
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/// initialisation
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void init( sint32 cellId )
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{
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_LastVisionUpdate = 0;
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_CellId = cellId;
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}
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/// initialisation
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void init( uint16 x, uint16 y )
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{
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nlassert(x <= 32767);
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nlassert(y <= 32767);
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_LastVisionUpdate = 0;
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_CellId = (x<<16) + y;
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}
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/// \name CCell content management
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//@{
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/**
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* Adds an entity to the cell
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*
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* \param entity pointer to the entity to add
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*/
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void add(CWorldEntity* entity);
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/**
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* Removes an entity from the cell
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*
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* \param entity pointer to the entity to remove
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*/
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void remove(CWorldEntity* entity);
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//@}
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/**
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* Remove entity of cell
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*
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* \param pWorldEntity is pointer of entity's removed from cell
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*/
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// void removeEntity( CWorldEntity* pWorldEntity );
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/**
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* Add an entity in the cell
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*/
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// void addEntity(CWorldEntity* pWorldEntity);
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/**
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* Add an object in the cell
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*/
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// void addObject(CWorldEntity* pWorldEntity);
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/**
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* Add an object in the cell
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*/
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// void removeObject(CWorldEntity* pWorldEntity);
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/*
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* Update cell content
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*
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* \param pWorldEntity is updated entity
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* \param pWorldPositionManager is entity position manager in world
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*/
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// void updateCell( CWorldEntity* pWorldEntity );
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/// Get a pointer on the first entity in cell
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CWorldEntity *getEntitiesList() { return _EntitiesList.getHead(); }
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/// Get a pointer on the first object in cell
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CWorldEntity *getObjectsList() { return _ObjectsList.getHead(); }
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/// Get a pointer to the first player in cell
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CPlayerInfos *getPlayersList() { return _PlayersList.getHead(); }
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/// Gets at maximum MAX_SEEN_ENTITIES entities contained in the cell
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CVisionEntry* addEntities(CVisionEntry* fillPtr, CVisionEntry* endPtr, uint32 cellMask, uint32 distance, bool indoor, CWorldEntity *player)
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{
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CWorldEntity *ent = _EntitiesList.getHead();
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while (ent != NULL && fillPtr < endPtr)
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{
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sint32 mask = cellMask & (sint32)(ent->WhoSeesMe);
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if (mask && indoor && (float)(player->X()-ent->X())*(float)(player->X()-ent->X()) + (float)(player->Y()-ent->Y())*(float)(player->Y()-ent->Y()) > 15625000000)
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mask = 0;
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//if (!ent->IsInvisibleToPlayer && mask != 0)
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if (mask != 0)
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{
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fillPtr->Entity = ent;
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fillPtr->Mask = mask;
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fillPtr->Distance = distance;
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++fillPtr;
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}
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ent = ent->Next;
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}
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return fillPtr;
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}
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/// Gets at maximum MAX_SEEN_ENTITIES entities contained in the cell
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CVisionEntry* addObjects(CVisionEntry* fillPtr, CVisionEntry* endPtr, uint32 cellMask, uint32 distance, bool indoor, CWorldEntity *player)
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{
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CWorldEntity *ent = _ObjectsList.getHead();
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while (ent != NULL && fillPtr < endPtr)
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{
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sint32 mask = cellMask & (sint32)(ent->WhoSeesMe);
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if (mask && indoor && (float)(player->X()-ent->X())*(float)(player->X()-ent->X()) + (float)(player->Y()-ent->Y())*(float)(player->Y()-ent->Y()) > 15625000000)
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mask = 0;
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//if (!ent->IsInvisibleToPlayer && mask != 0)
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if (mask != 0)
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{
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fillPtr->Entity = ent;
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fillPtr->Mask = mask;
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fillPtr->Distance = distance;
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++fillPtr;
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}
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ent = ent->Next;
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}
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return fillPtr;
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}
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void setVisionUpdateCycle(NLMISC::TGameCycle gc) { _LastVisionUpdate = gc; }
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NLMISC::TGameCycle visionUpdateCycle() { return _LastVisionUpdate; }
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inline uint16 x() const { return (uint16)(_CellId>>16); };
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inline uint16 y() const { return (uint16)(_CellId&0xffff); };
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inline sint32 id() const { return _CellId; }
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inline bool isIndoor() const { return _CellId < 0; }
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//static TVisionCellContainer &getVisionCells() { return _VisionCells; }
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private:
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//friend void CWorldEntity::removeFromCellAsEntity();
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//friend void CWorldEntity::removeFromCellAsObject();
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friend class CWorldPositionManager;
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sint32 _CellId;
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TEntityList _EntitiesList; // visible moving entities in cell
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TEntityList _ObjectsList; // objects in cell
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CObjectList<CPlayerInfos> _PlayersList; // players in cell
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// TEntityList _InvisiblesList; // invisible entities in cell
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/// last vision update tick for this cell
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NLMISC::TGameCycle _LastVisionUpdate;
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public:
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/// Creates a new entity (new equivalent). This must be initialised later using init();
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static CCell *create() { return _CellAllocator.allocate(); }
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/// Removes an entity (delete equivalent).
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static void remove(CCell *cell) { _CellAllocator.free(cell); }
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private:
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/// Static cell allocator
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static NLMISC::CBlockMemory<CCell> _CellAllocator;
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};
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#endif // NL_CELL_H
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/* End of cell.h */
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