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00001 
00007 /* Copyright, 2000 - 2002 Nevrax Ltd.
00008  *
00009  * This file is part of NEVRAX NEL.
00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
00011  * it under the terms of the GNU General Public License as published by
00012  * the Free Software Foundation; either version 2, or (at your option)
00013  * any later version.
00014 
00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00018  * General Public License for more details.
00019 
00020  * You should have received a copy of the GNU General Public License
00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
00023  * MA 02111-1307, USA.
00024  */
00025 
00026 #ifndef NL_PARTICLE_SYSTEM_MANAGER_H
00027 #define NL_PARTICLE_SYSTEM_MANAGER_H
00028 
00029 #include "nel/misc/types_nl.h"
00030 #include "nel/misc/plane.h"
00031 #include "nel/3d/animation_time.h"
00032 
00033 
00034 #include <list>
00035 #include <vector>
00036 
00037 namespace NLMISC
00038 {
00039         class CVector;
00040 }
00041 
00042 namespace NL3D {
00043 
00044 
00045 class CParticleSystemModel;
00046 
00058 class CParticleSystemManager
00059 {
00060 public:
00061         enum { NumProcessToRefresh  = 3 }; // the number of systems that are refreshed at each call
00062 
00064         CParticleSystemManager();       
00065 
00067         void    refreshModels(const std::vector<NLMISC::CPlane> &worldFrustumPyramid,  const NLMISC::CVector &viewerPos);
00068 
00070         void    processAnimate(TAnimationTime deltaT);
00071 
00072 private:
00073         friend class CParticleSystemModel;
00074         typedef std::list<CParticleSystemModel *> TModelList;
00075 
00076         struct TModelHandle
00077         {
00078                 TModelList::iterator Iter;
00079                 bool                             Valid;
00080                 TModelHandle() : Valid(false) {}
00081         };
00082 
00083         
00087         TModelHandle addSystemModel(CParticleSystemModel *);
00088 
00090         void                    removeSystemModel(TModelHandle &handle);
00091 
00093         TModelHandle addPermanentlyAnimatedSystem(CParticleSystemModel *);
00094 
00096         void                    removePermanentlyAnimatedSystem(TModelHandle &handle);
00097         
00098 private:
00099 
00100         TModelList::iterator _CurrListIterator; 
00101         TModelList                       _ModelList;
00102         TModelList                       _PermanentlyAnimatedModelList;
00103         uint                         _NumModels;
00104 };
00105 
00106 
00107 } // NL3D
00108 
00109 
00110 #endif // NL_PARTICLE_SYSTEM_MANAGER_H
00111 
00112 /* End of particle_system_manager.h */