// Loads the selected scene
HRESULT LoadScene()
{
memset( g_strRawDEMDataFile, 0, sizeof(g_strRawDEMDataFile) );
memset( g_strEncodedRQTTriangFile, 0, sizeof(g_strEncodedRQTTriangFile) );
// Get selected config file
int iSelectedConfigFile = 0;
// Parse the config file
if( FAILED(ParseConfigurationFile( g_ConfigFiles[iSelectedConfigFile].c_str() )) )
{
//LOG_ERROR(_T("Failed to load config file %s"), g_ConfigFiles[iSelectedConfigFile].c_str() );
return E_FAIL;
}
g_TerrainRenderParams.m_fElevationSamplingInterval = g_fElevationSamplingInterval;
// Create data source
try
{
g_pElevDataSource.reset( new CElevationDataSource(g_strRawDEMDataFile, g_iPatchSize) );
}
catch(const std::exception &)
{
LOG_ERROR(_T("Failed to create elevation data source"));
return E_FAIL;
}
g_TerrainRenderParams.m_iNumLevelsInPatchHierarchy = g_pElevDataSource->GetNumLevelsInHierarchy();
g_TerrainRenderParams.m_fGlobalMinElevation = g_pElevDataSource->GetGlobalMinElevation() * g_fElevationScale ;
g_TerrainRenderParams.m_fGlobalMaxElevation = g_pElevDataSource->GetGlobalMaxElevation() * g_fElevationScale ;
g_TerrainRenderParams.m_iPatchSize = g_pElevDataSource->GetPatchSize();
g_TerrainRenderParams.m_fElevationScale = g_fElevationScale;
return S_OK;
}
