khanat-code-old/code/nel/include/nel/3d/ig_surface_light.h
2014-06-12 19:27:09 +02:00

118 lines
3.7 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_H
#define NL_IG_SURFACE_LIGHT_H
#include "nel/misc/types_nl.h"
#include "nel/3d/surface_light_grid.h"
namespace NL3D
{
class CInstanceGroup;
// ***************************************************************************
/**
* Class owned by CInstanceGroup to get StaticLightSetup for dynamic models.
* It owns a map of SurfaceIdent -> CSurfaceLightGrid
* \author Lionel Berenguier
* \author Nevrax France
* \date 2002
*/
class CIGSurfaceLight
{
/* ***********************************************
* WARNING: This Class/Method must be thread-safe (ctor/dtor/serial): no static access for instance
* It can be loaded/called through CAsyncFileManager for instance
* ***********************************************/
public:
struct CRetrieverLightGrid
{
// There is localRetriver.getNumSurfaces() Grids.
NLMISC::CObjectVector<CSurfaceLightGrid> Grids;
void serial(NLMISC::IStream &f)
{
(void)f.serialVersion(0);
f.serial(Grids);
}
};
typedef std::map<uint32, CRetrieverLightGrid> TRetrieverGridMap;
typedef TRetrieverGridMap::iterator ItRetrieverGridMap;
public:
/// Constructor. A CIGSurfaceLight MUST be owned by an CInstanceGroup (nlassert(_Owner!=NULL));
CIGSurfaceLight();
void setOwner(CInstanceGroup *owner);
/** build. called by CInstanceLighter.
* \param retrieverGridMap is the gridMap builded by CInstanceLighter
* \param cellSize is the size in meter of a cell
* \param plRemap is the array returned by CInstanceGroup::build() to remap indices
*/
void build(const TRetrieverGridMap &retrieverGridMap, float cellSize,
const std::vector<uint> &plRemap);
/// clear.
void clear();
// serial
void serial(NLMISC::IStream &f);
/** Get StaticLightSetup Infos from the grid
* \param retrieverIdentifier value returned by CGlobalRetriever::getLocalRetrieverId(globalPos).
* \param surfaceId the id of the surface in the LocalRetriever
* \param localPos position to retrieve info.
* Position local to the LocalRetriever!! ie gp.LocalPosition.Estimated
* \param pointLightList list of pointlight to append pointLight influecnes
* \return false if retrieverIdentifier / surfaceId is not found. In this case pointLightList is not
* modified, and sunContribution is set to 255, and localAmbient is set to 0
*/
bool getStaticLightSetup(NLMISC::CRGBA sunAmbient, uint retrieverIdentifier, sint surfaceId, const CVector &localPos,
std::vector<CPointLightInfluence> &pointLightList, uint8 &sunContribution, NLMISC::CRGBA &localAmbient);
float getCellSize() const {return _CellSize;}
float getOOCellSize() const {return _OOCellSize;}
// debug
const TRetrieverGridMap &getRetrieverGridMap() const {return _RetrieverGridMap;}
// *********************
private:
friend class CSurfaceLightGrid;
private:
CInstanceGroup *_Owner;
float _CellSize;
float _OOCellSize;
TRetrieverGridMap _RetrieverGridMap;
};
} // NL3D
#endif // NL_IG_SURFACE_LIGHT_H
/* End of ig_surface_light.h */