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Mesh::VertexDescription

Mesh::VertexDescription Struct Reference

#include <mesh.h>

Collaboration diagram for Mesh::VertexDescription:

Collaboration graph
List of all members.

Public Member Functions

const VertexAttribute & getAttribute (VertexAttributeSemantic semantic) const
VertexDescription & operator= (const VertexDescription &)
bool validate () const
 VertexDescription (const VertexDescription &desc)
 VertexDescription (uint32 _stride, uint32 _nAttributes, VertexAttribute *_attributes)
 ~VertexDescription ()

Public Attributes

VertexAttribute * attributes
uint32 nAttributes
uint32 stride

Private Member Functions

void buildSemanticMap ()
void clearSemanticMap ()

Private Attributes

VertexAttribute semanticMap [SemanticMax]

Constructor & Destructor Documentation

Mesh::VertexDescription::VertexDescription (  uint32  _stride,
uint32  _nAttributes,
VertexAttribute *  _attributes
) 
 

Definition at line 61 of file mesh.cpp.

References attributes, buildSemanticMap(), and nAttributes.

00063                                                                          :
00064             stride(_stride),
00065             nAttributes(_nAttributes),
00066             attributes(NULL)
00067 {
00068     if (nAttributes != 0)
00069     {
00070         attributes = new VertexAttribute[nAttributes];
00071         for (uint32 i = 0; i < nAttributes; i++)
00072             attributes[i] = _attributes[i];
00073         buildSemanticMap();
00074     }
00075 }

Mesh::VertexDescription::VertexDescription (  const VertexDescription &  desc  ) 
 

Definition at line 78 of file mesh.cpp.

References attributes, buildSemanticMap(), and nAttributes.

00078                                                                       :
00079     stride(desc.stride),
00080     nAttributes(desc.nAttributes),
00081     attributes(NULL)
00082 {
00083     if (nAttributes != 0)
00084     {
00085         attributes = new VertexAttribute[nAttributes];
00086         for (uint32 i = 0; i < nAttributes; i++)
00087             attributes[i] = desc.attributes[i];
00088         buildSemanticMap();
00089     }
00090 }

Mesh::VertexDescription::~VertexDescription (   ) 
 

Definition at line 139 of file mesh.cpp.

References attributes.

00140 {
00141     delete[] attributes;
00142 }

Member Function Documentation

void Mesh::VertexDescription::buildSemanticMap (   )  [private]
 

Definition at line 146 of file mesh.cpp.

References attributes, nAttributes, Mesh::VertexAttribute::semantic, and semanticMap.

Referenced by operator=(), and VertexDescription().

00147 {
00148     for (uint32 i = 0; i < nAttributes; i++)
00149         semanticMap[attributes[i].semantic] = attributes[i];
00150 }

void Mesh::VertexDescription::clearSemanticMap (   )  [private]
 

Definition at line 154 of file mesh.cpp.

References semanticMap.

Referenced by operator=().

00155 {
00156     for (uint32 i = 0; i < SemanticMax; i++)
00157         semanticMap[i] = VertexAttribute();
00158 }

const VertexAttribute& Mesh::VertexDescription::getAttribute (  VertexAttributeSemantic  semantic  )  const [inline]
 

Definition at line 84 of file mesh.h.

References semanticMap.

Referenced by generateNormals(), generateTangents(), Mesh::getBoundingBox(), Mesh::pick(), and Mesh::transform().

00085         {
00086             return semanticMap[semantic];
00087         }

Mesh::VertexDescription & Mesh::VertexDescription::operator= (  const VertexDescription &   ) 
 

Definition at line 94 of file mesh.cpp.

References attributes, buildSemanticMap(), clearSemanticMap(), nAttributes, and stride.

00095 {
00096     if (nAttributes < desc.nAttributes)
00097     {
00098         if (attributes != NULL)
00099             delete[] attributes;
00100         attributes = new VertexAttribute[desc.nAttributes];
00101     }
00102 
00103     nAttributes = desc.nAttributes;
00104     stride = desc.stride;
00105     for (uint32 i = 0; i < nAttributes; i++)
00106         attributes[i] = desc.attributes[i];
00107     clearSemanticMap();
00108     buildSemanticMap();
00109 
00110     return *this;
00111 }

bool Mesh::VertexDescription::validate (   )  const
 

Definition at line 117 of file mesh.cpp.

References attributes, Mesh::VertexAttribute::format, nAttributes, Mesh::VertexAttribute::offset, Mesh::VertexAttribute::semantic, stride, and VertexAttributeFormatSizes.

00118 {
00119     for (uint32 i = 0; i < nAttributes; i++)
00120     {
00121         VertexAttribute& attr = attributes[i];
00122 
00123         // Validate the attribute
00124         if (attr.semantic >= SemanticMax || attr.format >= FormatMax)
00125             return false;
00126         if (attr.offset % 4 != 0)
00127             return false;
00128         if (attr.offset + VertexAttributeFormatSizes[attr.format] > stride)
00129             return false;
00130         // TODO: check for repetition of attributes
00131         // if (vertexAttributeMap[attr->semantic].format != InvalidFormat)
00132         //   return false;
00133     }
00134 
00135     return true;
00136 }

Member Data Documentation

VertexAttribute* Mesh::VertexDescription::attributes
 

Definition at line 95 of file mesh.h.

Referenced by buildSemanticMap(), generateNormals(), generateTangents(), operator=(), validate(), VertexDescription(), and ~VertexDescription().

uint32 Mesh::VertexDescription::nAttributes
 

Definition at line 94 of file mesh.h.

Referenced by buildSemanticMap(), generateNormals(), generateTangents(), operator=(), validate(), and VertexDescription().

VertexAttribute Mesh::VertexDescription::semanticMap[SemanticMax] [private]
 

Definition at line 102 of file mesh.h.

Referenced by buildSemanticMap(), clearSemanticMap(), and getAttribute().

uint32 Mesh::VertexDescription::stride
 

Definition at line 93 of file mesh.h.

Referenced by generateNormals(), generateTangents(), Mesh::getBoundingBox(), Mesh::getVertexStride(), mergeModelMeshes(), operator=(), Mesh::pick(), Mesh::render(), Mesh::transform(), uniquifyVertices(), and validate().

The documentation for this struct was generated from the following files:
Generated on Sat Jan 14 22:33:27 2006 for Celestia by  doxygen 1.4.1