Helium::Path Path::GetAbsolutePath( const Helium::Path& basisPath ) const
{
HELIUM_ASSERT( !IsAbsolute() ); // shouldn't call this on an already-absolute path
tstring newPathString;
Helium::GetFullPath( tstring( basisPath.Directory() + m_Path ).c_str(), newPathString );
return Helium::Path( newPathString );
}
tstring DetailsColumn::Directory( const Helium::Path& path )
{
return path.Directory();
}
void* ThumbnailLoader::LoadThread::Entry()
{
#ifdef HELIUM_ASSERT_ENABLED
bool emptyQueuePollingCheck = false;
#endif
while ( true )
{
m_Loader.m_Signal.Decrement();
if ( m_Loader.m_Quit )
{
break;
}
// the device is gone, our glorious benefactor is probably cleaning up
IDirect3DDevice9* device = m_Loader.m_DeviceManager->GetD3DDevice();
if ( !device )
{
// You should stop this thread before letting go of the window that
// owns the device.
HELIUM_BREAK();
break;
}
// while the device is lost, just wait for it to come back
while ( device->TestCooperativeLevel() != D3D_OK )
{
if ( m_Loader.m_Quit )
{
break;
}
wxThread::Sleep( 100 );
continue;
}
if ( m_Loader.m_Quit )
{
break;
}
Helium::Path path;
{
Helium::Locker< Helium::OrderedSet< Helium::Path > >::Handle queue( m_Loader.m_FileQueue );
if ( !queue->Empty() )
{
#ifdef HELIUM_ASSERT_ENABLED
emptyQueuePollingCheck = false;
#endif
path = queue->Front();
}
else
{
// if you hit this then the bookkeeping of the counting semaphore is broken
HELIUM_ASSERT( !emptyQueuePollingCheck );
#ifdef HELIUM_ASSERT_ENABLED
emptyQueuePollingCheck = true;
#endif
continue;
}
queue->Remove( path );
}
ResultArgs args;
args.m_Path = path;
args.m_Cancelled = false;
if ( SceneGraph::IsSupportedTexture( path.Get() ) )
{
IDirect3DTexture9* texture = NULL;
if ( texture = LoadTexture( device, path.Get() ) )
{
ThumbnailPtr thumbnail = new Thumbnail( m_Loader.m_DeviceManager, texture );
args.m_Textures.push_back( thumbnail );
}
}
else
{
#pragma TODO( "When we store the thumbnail in the asset file, fix this." )
if ( path.Extension() == TXT( "HeliumEntity" ) )
{
Path thumbnailPath( path.Directory() + path.Basename() + TXT( "_thumbnail.png" ) );
if ( thumbnailPath.Exists() )
{
IDirect3DTexture9* texture = NULL;
if ( texture = LoadTexture( device, thumbnailPath.Get() ) )
{
ThumbnailPtr thumbnail = new Thumbnail( m_Loader.m_DeviceManager, texture );
args.m_Textures.push_back( thumbnail );
}
}
}
// Include the color map of a shader as a possible thumbnail image
else if ( path.Extension() == TXT( "HeliumShader" ) )
{
Asset::ShaderAssetPtr shader = NULL;
try
{
shader = Asset::AssetClass::LoadAssetClass< Asset::ShaderAsset >( path );
}
catch( const Exception& )
{
shader = NULL;
}
if ( shader )
{
Asset::TexturePtr colorMap = Asset::AssetClass::LoadAssetClass< Asset::Texture >( shader->m_ColorMapPath );
if ( colorMap.ReferencesObject() )
{
if ( colorMap->GetContentPath().Exists() && SceneGraph::IsSupportedTexture( colorMap->GetContentPath().Get() ) )
{
IDirect3DTexture9* texture = NULL;
if ( texture = LoadTexture( device, colorMap->GetContentPath().Get() ) )
{
ThumbnailPtr thumbnail = new Thumbnail( m_Loader.m_DeviceManager, texture );
args.m_Textures.push_back( thumbnail );
}
}
}
}
}
else if ( path.Extension() == TXT( "HeliumTexture" ) )
{
Asset::TexturePtr textureAsset = NULL;
try
{
textureAsset = Asset::AssetClass::LoadAssetClass< Asset::Texture >( path );
}
catch( const Exception& )
{
textureAsset = NULL;
}
if ( textureAsset.ReferencesObject() )
{
if ( textureAsset->GetContentPath().Exists() && SceneGraph::IsSupportedTexture( textureAsset->GetContentPath().Get() ) )
{
IDirect3DTexture9* texture = NULL;
if ( texture = LoadTexture( device, textureAsset->GetContentPath().Get() ) )
{
ThumbnailPtr thumbnail = new Thumbnail( m_Loader.m_DeviceManager, texture );
args.m_Textures.push_back( thumbnail );
}
}
}
}
}
m_Loader.m_Result.Raise( args );
}
return NULL;
}