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/a02709.html | 356 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 356 insertions(+) create mode 100644 docs/doxygen/nel/a02709.html (limited to 'docs/doxygen/nel/a02709.html') diff --git a/docs/doxygen/nel/a02709.html b/docs/doxygen/nel/a02709.html new file mode 100644 index 00000000..44c893bb --- /dev/null +++ b/docs/doxygen/nel/a02709.html @@ -0,0 +1,356 @@ + + +NeL: NL3D::CLandscapeFaceVectorManager class Reference + + + +

NL3D::CLandscapeFaceVectorManager Class Reference

#include <landscape_face_vector_manager.h> +

Detailed Description

+Fast Allocate blocks of faces, according to the size of the block.

Author:: Lionel Berenguier
+Nevrax France

Date:: 2001

+ +

+Definition at line 44 of file landscape_face_vector_manager.h. + + + + + + + + + + + + + + + + + + + + +

Public Member Functions
CLandscapeFaceVectorManager ()
Constructor.

uint32 * createFaceVector (uint numTri)
void deleteFaceVector (uint32 *fv)
delete a faceVector. NB: no check.

void purge ()
~CLandscapeFaceVectorManager ()

Private Member Functions
uint getBlockIdFromNumTri (uint numTris)

Private Attributes
std::vector< uint32 * > _Blocks
+

Constructor & Destructor Documentation

+ + + + +
+ + + + + + + + + +
NL3D::CLandscapeFaceVectorManager::CLandscapeFaceVectorManager ( )
+
+ + + + + +
+ + + +
+Constructor. +
+ +
+Definition at line 45 of file landscape_face_vector_manager.cpp. +
+References _Blocks, and NL3D_FACE_VECTOR_NUMBLOCK. +
+
00046 { +00047 // Allow 2^32 triangles at max. each list i has at max 2^i triangles. +00048 _Blocks.resize(NL3D_FACE_VECTOR_NUMBLOCK, NULL); +00049 } +

+

+ + + + +
+ + + + + + + + + +
NL3D::CLandscapeFaceVectorManager::~CLandscapeFaceVectorManager ( )
+
+ + + + + +
+ + + +
+ +
+Definition at line 52 of file landscape_face_vector_manager.cpp. +
+References purge(). +
+
00053 { +00054 purge(); +00055 } +

+

Member Function Documentation

+ + + + +
+ + + + + + + + + + +
uint32 * NL3D::CLandscapeFaceVectorManager::createFaceVector ( uint numTri )
+
+ + + + + +
+ + + +
+return an Array of Tris with this Format: NumTris, index0, index1, index2.... NB: NumTris really means number of triangles, not number of indexes (which is 3*)! +
+Definition at line 83 of file landscape_face_vector_manager.cpp. +
+References _Blocks, getBlockIdFromNumTri(), uint, and uint32. +
+Referenced by NL3D::CTessBlock::createFaceVectorFar0(), NL3D::CTessBlock::createFaceVectorFar1(), and NL3D::CTessBlock::createFaceVectorTile(). +
+
00084 { +00085 // get the BlockId from the number of tri in this fv +00086 uint blockId= getBlockIdFromNumTri(numTri); +00087 +00088 // If no more free FaceVector, allocate. +00089 if(_Blocks[blockId]==NULL) +00090 { +00091 // Allocate a block of max tris. +1 is for the NumTris entry at index 0. +00092 uint numTriMax= 1<<blockId; +00093 // allocate max of (sizeof(uint32*), (numTriMax*3+1)*sizeof(uint32)); +00094 uint sizeInByteToAllocate= max(sizeof(uint32*), (numTriMax*3+1)*sizeof(uint32)); +00095 _Blocks[blockId]= new uint32[sizeInByteToAllocate/4]; +00096 // Init it as a free faceVector, with no Next. +00097 *(uint32**)_Blocks[blockId]= NULL; +00098 } +00099 +00100 // Pop a FaceVector from the free list. +00101 uint32 *ret= _Blocks[blockId]; +00102 // Make the head list point to next +00103 _Blocks[blockId]= *(uint32**)ret; +00104 +00105 // There is numTri triangles. +00106 *ret= numTri; +00107 +00108 return ret; +00109 } +

+

+ + + + +
+ + + + + + + + + + +
void NL3D::CLandscapeFaceVectorManager::deleteFaceVector ( uint32 * fv )
+
+ + + + + +
+ + + +
+delete a faceVector. NB: no check. +
+ +
+Definition at line 112 of file landscape_face_vector_manager.cpp. +
+References _Blocks, getBlockIdFromNumTri(), uint, and uint32. +
+Referenced by NL3D::CTessBlock::deleteFaceVectorFar0(), NL3D::CTessBlock::deleteFaceVectorFar1(), and NL3D::CTessBlock::deleteFaceVectorTile(). +
+
00113 { +00114 // get the BlockId from the number of tri in this fv (ie *fv) +00115 uint blockId= getBlockIdFromNumTri(*fv); +00116 +00117 // Append this block to the free list. Write the ptr directly on fv. +00118 *(uint32**)fv= _Blocks[blockId]; +00119 _Blocks[blockId]= fv; +00120 } +

+

+ + + + +
+ + + + + + + + + + +
uint NL3D::CLandscapeFaceVectorManager::getBlockIdFromNumTri ( uint numTris ) [private]
+
+ + + + + +
+ + + +
+ +
+Definition at line 77 of file landscape_face_vector_manager.cpp. +
+References NLMISC::getPowerOf2(), and uint. +
+Referenced by createFaceVector(), and deleteFaceVector(). +
+
00078 { +00079 return getPowerOf2(numTris); +00080 } +

+

+ + + + +
+ + + + + + + + + +
void NL3D::CLandscapeFaceVectorManager::purge ( )
+
+ + + + + +
+ + + +
+ +
+Definition at line 58 of file landscape_face_vector_manager.cpp. +
+References _Blocks, NL3D_FACE_VECTOR_NUMBLOCK, uint, and uint32. +
+Referenced by ~CLandscapeFaceVectorManager(). +
+
00059 { +00060 for(uint i=0; i<NL3D_FACE_VECTOR_NUMBLOCK; i++) +00061 { +00062 uint32 *ptr= _Blocks[i]; +00063 // For each node in list, delete. +00064 while(ptr) +00065 { +00066 // Get the ptr on next free list. +00067 uint32 *next= *(uint32**)ptr; +00068 delete [] ptr; +00069 ptr= next; +00070 } +00071 // list is empty. +00072 _Blocks[i]= NULL; +00073 } +00074 } +

+

Field Documentation

+ + + + +
+ + +
std::vector<uint32*> NL3D::CLandscapeFaceVectorManager::_Blocks [private] +
+
+ + + + + +
+ + + +
+ +
+Definition at line 65 of file landscape_face_vector_manager.h. +
+Referenced by CLandscapeFaceVectorManager(), createFaceVector(), deleteFaceVector(), and purge().
+

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

Generated on Tue Mar 16 06:48:38 2004 for NeL by + +

+1.3.6

+ + -- cgit v1.2.1


Public Member Functions
	CLandscapeFaceVectorManager ()
	Constructor.
uint32 *	createFaceVector (uint numTri)
void	deleteFaceVector (uint32 *fv)
	delete a faceVector. NB: no check.
void	purge ()
	~CLandscapeFaceVectorManager ()
Private Member Functions
uint	getBlockIdFromNumTri (uint numTris)
Private Attributes
std::vector< uint32 * >	_Blocks