void StaticGeometryBuffer::build( DrawHint drawHint )
{
if(getVertexProperties() & TANGENTS)
_generateTangents();
_generateIndices();
if( _vertexBufferHandle == 0 )
glGenBuffers( 1, &_vertexBufferHandle );
if( _indexBufferHandle == 0 )
glGenBuffers( 1, &_indexBufferHandle );
int vCount = getVertexCount();
int iCount = getIndexCount();
glBindBuffer( GL_ARRAY_BUFFER, _vertexBufferHandle );
glBufferData( GL_ARRAY_BUFFER, sizeof( Vertex ) * _vertexList.size(), &_vertexList[ 0 ], drawHint );
//glBufferSubData( GL_ARRAY_BUFFER, 0, sizeof( Vertex ) * _vertexList.size(), &_vertexList[ 0 ] );
glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, _indexBufferHandle );
glBufferData( GL_ELEMENT_ARRAY_BUFFER, sizeof( GLuint ) * _indexList.size(), &_indexList[ 0 ] , drawHint );
// glBufferSubData( GL_ELEMENT_ARRAY_BUFFER, 0, sizeof( GLuint ) * _indexList.size(), &_indexList[ 0 ] );
}
void StaticGeometryBuffer::build(
Vertex * vertexList,
uint vertCount,
uint * indexList,
uint indexCount,
DrawHint drawHint )
{
_vertexList.clear();
for( uint i = 0; i < vertCount; ++i )
_vertexList.push_back( vertexList[ i ] );
if( indexList == NULL || indexCount == 0 )
{
_generateIndices();
}
else
{
_indexList.clear();
for( uint i = 0; i < indexCount; ++i )
_indexList.push_back( indexList[ i ] );
}
if( getVertexProperties() & TANGENTS )
_generateTangents();
if( _vertexBufferHandle == 0 )
glGenBuffers( 1, &_vertexBufferHandle );
if( _indexBufferHandle == 0 )
glGenBuffers( 1, &_indexBufferHandle );
glBindBuffer( GL_ARRAY_BUFFER, _vertexBufferHandle );
glBufferData( GL_ARRAY_BUFFER, sizeof( Vertex ) * _vertexList.size(), NULL, drawHint );
glBufferSubData( GL_ARRAY_BUFFER, 0, sizeof( Vertex ) * _vertexList.size(), &_vertexList[0] );
glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, _indexBufferHandle );
glBufferData( GL_ELEMENT_ARRAY_BUFFER, sizeof( GLuint ) * _indexList.size(), NULL, drawHint );
glBufferSubData( GL_ELEMENT_ARRAY_BUFFER, 0, sizeof( GLuint ) * _indexList.size(), &_indexList[ 0 ] );
}
bool ObjFile::load(const std::string& fname)
{
bool status = false;
// Open the file
std::ifstream file(fname);
if (!file.is_open())
{
mIsLoaded = false;
return false;
}
// Parse the file
status = _parse(file);
if (!status)
{
mIsLoaded = false;
return false;
}
// Done with file
file.close();
// Organize the parsed data
status = _organise();
if (!status)
{
mIsLoaded = false;
return false;
}
_finalize();
_generateTangents(0);
// Success!
mIsLoaded = true;
return true;
}