126 lines
3.6 KiB
C++
126 lines
3.6 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
|
|
// 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_IG_SURFACE_LIGHT_BUILD_H
|
|
#define NL_IG_SURFACE_LIGHT_BUILD_H
|
|
|
|
#include "nel/misc/types_nl.h"
|
|
#include "nel/misc/vector_2f.h"
|
|
#include "nel/3d/surface_light_grid.h"
|
|
#include "nel/3d/mesh.h"
|
|
|
|
|
|
namespace NL3D
|
|
{
|
|
|
|
|
|
// ***************************************************************************
|
|
/**
|
|
* Class used by NL3D::CInstanceLighter to build CIGSurfaceLight with PACS surfaces
|
|
* \author Lionel Berenguier
|
|
* \author Nevrax France
|
|
* \date 2002
|
|
*/
|
|
class CIGSurfaceLightBuild
|
|
{
|
|
public:
|
|
|
|
enum {MaxOverSamples= 16};
|
|
|
|
public:
|
|
|
|
/** A surface cell corner Information.
|
|
*/
|
|
struct CCellCorner
|
|
{
|
|
// Is this CellCorner in the surface polygon or not?
|
|
bool InSurface;
|
|
// Computed by CInstanceLighter
|
|
bool Dilated;
|
|
// Copy of SunContribution computed by CInstanceLighter.
|
|
uint8 SunContribution;
|
|
// Number of overSamples. At least one if InSurface. NB: Put here for packing.
|
|
uint8 NumOverSamples;
|
|
|
|
// World Position of this corner.
|
|
NLMISC::CVector CenterPos;
|
|
|
|
// OverSamples. NB: there can be any number of overSamples (3, 4, 5,7 ...) because
|
|
// some may be out of surface and thus disabled
|
|
NLMISC::CVector OverSamples[MaxOverSamples];
|
|
|
|
|
|
/** This is Temp Light information used during CInstanceLighter::light().
|
|
* Yes, void* is ugly, but it is to avoid too much dependencies.
|
|
*/
|
|
void *LightInfo[CSurfaceLightGrid::NumLightPerCorner];
|
|
void *LocalAmbientLight;
|
|
};
|
|
|
|
|
|
/** A surface Lighting Information. Filled by CInstanceLighter
|
|
*/
|
|
struct CSurface
|
|
{
|
|
// Origin and Size of the grid.
|
|
// NB: The grid must be valid an not empty (ie Width>=2 and Height>=2).
|
|
NLMISC::CVector2f Origin;
|
|
uint32 Width;
|
|
uint32 Height;
|
|
// The CellCorner info.
|
|
std::vector<CCellCorner> Cells;
|
|
};
|
|
|
|
|
|
/** A LocalRetriever Lighting Information.
|
|
*
|
|
*/
|
|
struct CRetrieverLightGrid
|
|
{
|
|
// There is localRetriver.getNumSurfaces() Grids.
|
|
std::vector<CSurface> Grids;
|
|
};
|
|
typedef std::map<uint, CRetrieverLightGrid> TRetrieverGridMap;
|
|
typedef TRetrieverGridMap::iterator ItRetrieverGridMap;
|
|
|
|
|
|
// The requested CellSize (setuped by CInstanceLighter)
|
|
float CellSize;
|
|
// Array of surfaces retrieved in PACS for an IG
|
|
TRetrieverGridMap RetrieverGridMap;
|
|
|
|
|
|
public:
|
|
|
|
/// Debug: build a colored Grid mesh of SunContribution.
|
|
void buildSunDebugMesh(CMesh::CMeshBuild &meshBuild, CMeshBase::CMeshBaseBuild &meshBaseBuild, const CVector &deltaPos=CVector::Null);
|
|
|
|
/// Debug: build a colored Grid mesh of PointLight. R= pointLight1 id. G= PointLight2 id. B= The multiplier used to show Ids.
|
|
void buildPLDebugMesh(CMesh::CMeshBuild &meshBuild, CMeshBase::CMeshBaseBuild &meshBaseBuild, const CVector &deltaPos, const CInstanceGroup &igOut);
|
|
|
|
private:
|
|
void addDebugMeshFaces(CMesh::CMeshBuild &meshBuild, CSurface &surface, uint vId0,
|
|
const std::vector<CRGBA> &colors);
|
|
|
|
};
|
|
|
|
|
|
} // NL3D
|
|
|
|
|
|
#endif // NL_IG_SURFACE_LIGHT_BUILD_H
|
|
|
|
/* End of ig_surface_light_build.h */
|