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00001 
00007 /* Copyright, 2001 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_SHAPE_H
00027 #define NL_PARTICLE_SYSTEM_SHAPE_H
00028 
00029 #include "nel/misc/types_nl.h"
00030 #include "nel/misc/class_id.h"
00031 #include "nel/misc/mem_stream.h"
00032 #include "nel/misc/smart_ptr.h"
00033 #include "3d/shape.h"
00034 #include "3d/track.h"
00035 
00036 
00037 
00038 namespace NL3D {
00039 
00041 // THE FOLLOWING CLASS ARE FOR INSERTION OF A PARTICLE SYSTEM IN A MOT MODEL //
00043 
00044 // ***************************************************************************
00045 // ClassIds.
00046 const NLMISC::CClassId          ParticleSystemModelId=NLMISC::CClassId(0x3a9b1dc3, 0x49627ff0);
00047 
00048 
00049 class CParticleSystem;
00050 class CParticlesystemModel;
00051 class CParticleSystemDetailObs;
00052 
00053 
00054 
00060 class CParticleSystemShape : public IShape
00061 {
00062 public:
00063 
00065         CParticleSystemShape();
00066 
00067 
00071         void buildFromPS(const NL3D::CParticleSystem &ps);
00072 
00074         virtual ~CParticleSystemShape() {}
00075 
00080         virtual CTransformShape         *createInstance(NL3D::CScene &scene);
00081 
00083         // @{
00087         virtual void                            render(NL3D::IDriver *drv, CTransformShape *trans, bool passOpaque);
00088         // @}
00089 
00091         virtual void    serial(NLMISC::IStream &f) throw(NLMISC::EStream);
00092         NLMISC_DECLARE_CLASS(CParticleSystemShape);
00093 
00094 
00096         CTrackDefaultFloat *getUserParamDefaultTrack(uint numTrack)
00097         {
00098                 nlassert(numTrack < 4);
00099                 return &_UserParamDefaultTrack[numTrack];
00100         }
00101 
00102 
00104         CTrackDefaultBool *getDefaultTriggerTrack(void)
00105         {
00106         
00107                 return &_DefaultTriggerTrack;
00108         }
00109 
00110 
00112         virtual void    getAABBox(NLMISC::CAABBox &bbox) const;
00113 
00114 
00118         virtual float                           getNumTriangles (float distance) { return 0; }
00119 
00120 
00122         // @{
00123                 CTrackDefaultVector*    getDefaultPos ()                {return &_DefaultPos;}
00124                 CTrackDefaultVector*    getDefaultScale ()              {return &_DefaultScale;}
00125                 CTrackDefaultQuat*              getDefaultRotQuat ()    {return &_DefaultRotQuat;}
00126         // @}
00127 
00128         // Test if the system is shared
00129         bool                    isShared() const { return _Sharing; }           
00130 protected:
00131 
00132         friend class CParticleSystemModel; 
00133         friend class CParticleSystemDetailObs;
00134         friend class CParticleSystemClipObs;
00135         friend class CParticleSystem;
00136 
00137 public:
00141         CParticleSystem *instanciatePS(CScene &scene);
00142 protected:
00144         virtual void                            flushTextures (IDriver &driver) {}              
00145 
00146 protected:
00147 
00151         NLMISC::CMemStream  _ParticleSystemProto;
00152         float                           _MaxViewDist;                                                   // the max view distance of the system, mirror the PS value     
00153         NLMISC::CAABBox     _PrecomputedBBox;                                           // mirror the ps value
00154         
00156         CTrackDefaultFloat _UserParamDefaultTrack[4];
00157 
00159         CTrackDefaultVector                     _DefaultPos;
00160         CTrackDefaultVector                     _DefaultScale;  
00161         CTrackDefaultQuat                       _DefaultRotQuat;
00162 
00164         CTrackDefaultBool                       _DefaultTriggerTrack;   
00165 
00167         NLMISC::CRefPtr<CParticleSystem> _SharedSystem; 
00168 
00169         bool                _DestroyWhenOutOfFrustum;                           // mirror the ps value  
00170         bool                            _DestroyModelWhenOutOfRange;                    // mirror the ps value
00171         bool                            _UsePrecomputedBBox;                                    // mirror the ps value
00172         bool                            _Sharing;                                                               // mirror the ps value
00173 };
00174 
00175 } // NL3D
00176 
00177 
00178 #endif // NL_PARTICLE_SYSTEM_SHAPE_H
00179 
00180 /* End of particle_system_shape.h */