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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_IG_SURFACE_LIGHT_BUILD_H
+00027 #define NL_IG_SURFACE_LIGHT_BUILD_H
+00028 
+00029 #include "nel/misc/types_nl.h"
+00030 #include "nel/misc/vector_2f.h"
+00031 #include "3d/surface_light_grid.h"
+00032 #include "3d/mesh.h"
+00033 
+00034 
+00035 namespace NL3D 
+00036 {
+00037 
+00038 
+00039 // ***************************************************************************
+00046 class CIGSurfaceLightBuild
+00047 {
+00048 public:
+00049 
+00050         enum    {MaxOverSamples= 16};
+00051 
+00052 public:
+00053 
+00056         struct  CCellCorner
+00057         {
+00058                 // Is this CellCorner in the surface polygon or not?
+00059                 bool                            InSurface;
+00060                 // Computed by CInstanceLighter
+00061                 bool                            Dilated;
+00062                 // Copy of SunContribution computed by CInstanceLighter.
+00063                 uint8                           SunContribution;
+00064                 // Number of overSamples. At least one if InSurface. NB: Put here for packing. 
+00065                 uint8                           NumOverSamples;
+00066 
+00067                 // World Position of this corner.
+00068                 NLMISC::CVector         CenterPos;
+00069 
+00070                 // OverSamples. NB: there can be any number of overSamples (3, 4, 5,7 ...) because
+00071                 // some may be out of surface and thus disabled
+00072                 NLMISC::CVector         OverSamples[MaxOverSamples];
+00073 
+00074 
+00078                 void                            *LightInfo[CSurfaceLightGrid::NumLightPerCorner];
+00079                 void                            *LocalAmbientLight;
+00080         };
+00081 
+00082 
+00085         struct  CSurface
+00086         {
+00087                 // Origin and Size of the grid.
+00088                 // NB: The grid must be valid an not empty (ie Width>=2 and Height>=2).
+00089                 NLMISC::CVector2f                       Origin;
+00090                 uint32                                          Width;
+00091                 uint32                                          Height;
+00092                 // The CellCorner info.
+00093                 std::vector<CCellCorner>        Cells;
+00094         };
+00095 
+00096 
+00100         struct  CRetrieverLightGrid
+00101         {
+00102                 // There is localRetriver.getNumSurfaces() Grids.
+00103                 std::vector<CSurface>           Grids;
+00104         };
+00105         typedef std::map<std::string, CRetrieverLightGrid>              TRetrieverGridMap;
+00106         typedef TRetrieverGridMap::iterator                                             ItRetrieverGridMap;
+00107 
+00108 
+00109         // The requested CellSize (setuped by CInstanceLighter)
+00110         float                                   CellSize;
+00111         // Array of surfaces retrieved in PACS for an IG
+00112         TRetrieverGridMap               RetrieverGridMap;
+00113 
+00114 
+00115 public:
+00116 
+00118         void                    buildSunDebugMesh(CMesh::CMeshBuild &meshBuild, CMeshBase::CMeshBaseBuild &meshBaseBuild, const CVector &deltaPos=CVector::Null);
+00119 
+00120 };
+00121 
+00122 
+00123 } // NL3D
+00124 
+00125 
+00126 #endif // NL_IG_SURFACE_LIGHT_BUILD_H
+00127 
+00128 /* End of ig_surface_light_build.h */
+