bool OBJParser::Parse(const wchar_t* filePath, Model** result)
{
bool isSucceed = false;
{
Assert(NULL != filePath);
Assert(NULL != result);
Assert(*result == NULL);
YString::Copy(mFilePath, _countof(mFilePath), filePath);
PerformanceTimer::Begin(L"parsing OBJ file");
clear();
YFile* file = YFile::Open(filePath, YFile::READ);
Assert(NULL != file);
wchar_t lineContent[MAX_STR_LEN];
while(file->ReadLine(lineContent, MAX_STR_LEN) != NULL)
{
if(parseLine(file, lineContent))
break;
}
file->Close();
PerformanceTimer::End();
PerformanceTimer::Begin(L"building result model geometry");
// 为获取得到的geo数据计算tbn并创建vb,ib
for(size_t i = 0; i < mGeoList.size(); ++i)
{
Geometry* geo = mGeoList[i];
if(((mDataContentType & UV_DATA) == 0))
{
geo->CalculateNormals();
geo->BuildGeometry(XYZ_N);
}
else
{
geo->CalculateTBN();
geo->BuildGeometry(XYZ_UV_TBN);
}
geo->SaveToFile(L"Assets/Geometries");
gEngine->GetGeometryManager()->AddGeometry(geo);
}
PerformanceTimer::End();
*result = mResultModel;
clear();
}
isSucceed = true;
Exit:
return isSucceed;
}
