From 0ea5fc66924303d1bf73ba283a383e2aadee02f2 Mon Sep 17 00:00:00 2001 From: neodarz Date: Sat, 11 Aug 2018 20:21:34 +0200 Subject: Initial commit --- docs/doxygen/nel/a02497.html | 452 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 452 insertions(+) create mode 100644 docs/doxygen/nel/a02497.html (limited to 'docs/doxygen/nel/a02497.html') diff --git a/docs/doxygen/nel/a02497.html b/docs/doxygen/nel/a02497.html new file mode 100644 index 00000000..23a6c615 --- /dev/null +++ b/docs/doxygen/nel/a02497.html @@ -0,0 +1,452 @@ + + +NeL: NLPACS::CFaceGrid class Reference + + + +

NLPACS::CFaceGrid Class Reference

#include <face_grid.h> +

Detailed Description

+A selection grid for the interior faces. It contains the indexes of the faces, as uint32.

Author:: Benjamin Legros
+Nevrax France

Date:: 2001

+ +

+Definition at line 57 of file face_grid.h. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Public Member Functions
CFaceGrid ()
Constructor.

void clear ()
Clear the grid.

void create (const CFaceGridBuild &fgb)
Create the face grid from a CFaceGridBuild.

void select (const NLMISC::CVector &pos, std::vector< uint32 > &selected) const
Select faces indexes close to a given point.

void serial (NLMISC::IStream &f)
Serial the face grid.

Protected Attributes
float _ElSize
The size (in meter) of each grid element.

std::vector< uint32 > _Grid
The grid of indexes to the data buffer.

std::vector< uint32 > _GridData
The grid data buffer (packed datas).

uint16 _Log2Width
The 2Log of the width of the grid.

uint16 _Width
The width of the grid in rows and lines.

+

Constructor & Destructor Documentation

+ + + + +
+ + + + + + + + + +
NLPACS::CFaceGrid::CFaceGrid ( ) [inline]
+
+ + + + + +
+ + + +
+Constructor. +
+ +
+Definition at line 102 of file face_grid.h. +
+References _ElSize, and _Log2Width. +
+
00102 : _Width(0), _Log2Width(0), _ElSize(0.0f) {} +

+

Member Function Documentation

+ + + + +
+ + + + + + + + + +
void NLPACS::CFaceGrid::clear ( ) [inline]
+
+ + + + + +
+ + + +
+Clear the grid. +
+ +
+Definition at line 120 of file face_grid.h. +
+References _ElSize, _Log2Width, and NLMISC::contReset(). +
+Referenced by NLPACS::CLocalRetriever::clear(), and create(). +
+
00121 { +00122 _Width = 0; +00123 _Log2Width = 0; +00124 _ElSize = 0.0f; +00125 NLMISC::contReset(_Grid); +00126 NLMISC::contReset(_GridData); +00127 } +

+

+ + + + +
+ + + + + + + + + + +
void NLPACS::CFaceGrid::create ( const CFaceGridBuild & fgb ) [inline]
+
+ + + + + +
+ + + +
+Create the face grid from a CFaceGridBuild. +
+ +
+Definition at line 129 of file face_grid.h. +
+References _ElSize, _Log2Width, clear(), NLMISC::getPowerOf2(), NLPACS::CFaceGrid::CFaceGridBuild::Grid, nlassert, NLPACS::CFaceGrid::CFaceGridBuild::Size, uint, uint16, and NLPACS::CFaceGrid::CFaceGridBuild::Width. +
+Referenced by NLPACS::CLocalRetriever::initFaceGrid(). +
+
00130 { +00131 nlassert(fgb.Grid.size() == fgb.Width*fgb.Width); +00132 nlassert(fgb.Width < 32768); +00133 +00134 // clear first +00135 clear(); +00136 +00137 // setup grid size +00138 _Width = (uint16)fgb.Width; +00139 _ElSize = fgb.Size; +00140 _Log2Width = NLMISC::getPowerOf2(_Width); +00141 +00142 // and store in packed format the data of the face grid build +00143 uint i; +00144 for (i=0; i<fgb.Grid.size(); ++i) +00145 { +00146 _Grid.push_back(_GridData.size()); +00147 _GridData.insert(_GridData.end(), fgb.Grid[i].begin(), fgb.Grid[i].end()); +00148 } +00149 } +

+

+ + + + +
+ + + + + + + + + + + + + + + + + + + +
void NLPACS::CFaceGrid::select ( const NLMISC::CVector & pos,
std::vector< uint32 > & selected
) const [inline]
+
+ + + + + +
+ + + +
+Select faces indexes close to a given point. +
+ +
+Definition at line 151 of file face_grid.h. +
+References _ElSize, _Log2Width, sint, uint, NLMISC::CVector::x, x, NLMISC::CVector::y, and y. +
+Referenced by NLPACS::CLocalRetriever::getHeight(), and NLPACS::CLocalRetriever::snapToInteriorGround(). +
+
00152 { +00153 selected.clear(); +00154 +00155 uint start, stop, idx; +00156 uint x, y; +00157 +00158 x = ((sint)(pos.x/_ElSize) & (_Width-1)); +00159 y = ((sint)(pos.y/_ElSize) & (_Width-1)); +00160 +00161 idx = x+(y<<_Log2Width); +00162 +00163 start = _Grid[idx++]; +00164 stop = (idx == _Grid.size()) ? _GridData.size() : _Grid[idx]; +00165 +00166 for (; start<stop; ++start) +00167 selected.push_back(_GridData[start]); +00168 } +

+

+ + + + +
+ + + + + + + + + + +
void NLPACS::CFaceGrid::serial ( NLMISC::IStream & f ) [inline]
+
+ + + + + +
+ + + +
+Serial the face grid. +
+ +
+Definition at line 170 of file face_grid.h. +
+References _ElSize, _Log2Width, NLMISC::IStream::serial(), NLMISC::IStream::serialCont(), and NLMISC::IStream::serialVersion(). +
+
00171 { +00172 /* +00173 Version 0: +00174 - base version +00175 */ +00176 (void)f.serialVersion(0); +00177 +00178 f.serial(_Width, _Log2Width, _ElSize); +00179 f.serialCont(_Grid); +00180 f.serialCont(_GridData); +00181 } +

+

Field Documentation

+ + + + +
+ + +
float NLPACS::CFaceGrid::_ElSize [protected] +
+
+ + + + + +
+ + + +
+The size (in meter) of each grid element. +
+ +
+Definition at line 93 of file face_grid.h. +
+Referenced by CFaceGrid(), clear(), create(), select(), and serial().
+

+ + + + +
+ + +
std::vector<uint32> NLPACS::CFaceGrid::_Grid [protected] +
+
+ + + + + +
+ + + +
+The grid of indexes to the data buffer. +
+ +
+Definition at line 96 of file face_grid.h.
+

+ + + + +
+ + +
std::vector<uint32> NLPACS::CFaceGrid::_GridData [protected] +
+
+ + + + + +
+ + + +
+The grid data buffer (packed datas). +
+ +
+Definition at line 98 of file face_grid.h.
+

+ + + + +
+ + +
uint16 NLPACS::CFaceGrid::_Log2Width [protected] +
+
+ + + + + +
+ + + +
+The 2Log of the width of the grid. +
+ +
+Definition at line 90 of file face_grid.h. +
+Referenced by CFaceGrid(), clear(), create(), select(), and serial().
+

+ + + + +
+ + +
uint16 NLPACS::CFaceGrid::_Width [protected] +
+
+ + + + + +
+ + + +
+The width of the grid in rows and lines. +
+ +
+Definition at line 88 of file face_grid.h.
+

The documentation for this class was generated from the following file:

face_grid.h

Generated on Tue Mar 16 14:13:20 2004 for NeL by + +

+1.3.6

+ + -- cgit v1.2.1


Public Member Functions
	CFaceGrid ()
	Constructor.
void	clear ()
	Clear the grid.
void	create (const CFaceGridBuild &fgb)
	Create the face grid from a CFaceGridBuild.
void	select (const NLMISC::CVector &pos, std::vector< uint32 > &selected) const
	Select faces indexes close to a given point.
void	serial (NLMISC::IStream &f)
	Serial the face grid.
Protected Attributes
float	_ElSize
	The size (in meter) of each grid element.
std::vector< uint32 >	_Grid
	The grid of indexes to the data buffer.
std::vector< uint32 >	_GridData
	The grid data buffer (packed datas).
uint16	_Log2Width
	The 2Log of the width of the grid.
uint16	_Width
	The width of the grid in rows and lines.