/// @copydoc GameObjectLoader::OnPrecacheReady()
void EditorObjectLoader::OnPrecacheReady( GameObject* pObject, PackageLoader* pPackageLoader )
{
HELIUM_ASSERT( pObject );
HELIUM_ASSERT( pPackageLoader );
// The default template object for a given type never has its resource data preprocessed, so there's no need to
// precache default template objects.
if( pObject->IsDefaultTemplate() )
{
return;
}
// Retrieve the object preprocessor if it exists.
ObjectPreprocessor* pObjectPreprocessor = ObjectPreprocessor::GetStaticInstance();
if( !pObjectPreprocessor )
{
HELIUM_TRACE(
TRACE_WARNING,
( TXT( "EditorObjectLoader::OnPrecacheReady(): Missing ObjectPreprocessor to use for resource " )
TXT( "preprocessing.\n" ) ) );
return;
}
// We only need to do precache handling for resources, so skip non-resource types.
Resource* pResource = Reflect::SafeCast< Resource >( pObject );
if( !pResource )
{
return;
}
// Grab the package timestamp.
HELIUM_ASSERT( pPackageLoader->IsSourcePackageFile() );
int64_t objectTimestamp = pPackageLoader->GetFileTimestamp();
// Attempt to load the resource data.
pObjectPreprocessor->LoadResourceData( pResource, objectTimestamp );
}
/// Begin asynchronous loading of a shader variant.
///
/// @param[in] pShader Parent shader resource.
/// @param[in] shaderType Shader type.
/// @param[in] userOptionIndex Index associated with the user option combination for the shader variant.
///
/// @return ID associated with the load procedure, or an invalid index if the load could not be started.
///
/// @see TryFinishLoadVariant()
size_t ShaderVariantResourceHandler::BeginLoadVariant(
Shader* pShader,
RShader::EType shaderType,
uint32_t userOptionIndex )
{
HELIUM_ASSERT( pShader );
HELIUM_ASSERT( static_cast< size_t >( shaderType ) < static_cast< size_t >( RShader::TYPE_MAX ) );
// Attempt to locate an existing load request for the specified shader variant.
LoadRequest* pLoadRequest = m_loadRequestPool.Allocate();
HELIUM_ASSERT( pLoadRequest );
pLoadRequest->shaderType = shaderType;
pLoadRequest->userOptionIndex = userOptionIndex;
HELIUM_ASSERT( !pLoadRequest->spVariant );
pLoadRequest->requestCount = 1;
LoadRequestSetType::ConstAccessor loadRequestConstAccessor;
if( !m_loadRequestSet.Insert( loadRequestConstAccessor, pLoadRequest ) )
{
// Request exists, so increment its reference count.
m_loadRequestPool.Release( pLoadRequest );
pLoadRequest = *loadRequestConstAccessor;
HELIUM_ASSERT( pLoadRequest );
AtomicIncrementAcquire( pLoadRequest->requestCount );
size_t loadId = m_loadRequestPool.GetIndex( pLoadRequest );
HELIUM_ASSERT( IsValid( loadId ) );
return loadId;
}
// Adding a new request, so create the variant object if it does not yet exist.
tchar_t shaderTypeCharacter;
if( shaderType == RShader::TYPE_VERTEX )
{
shaderTypeCharacter = TXT( 'v' );
}
else
{
HELIUM_ASSERT( shaderType == RShader::TYPE_PIXEL );
shaderTypeCharacter = TXT( 'p' );
}
String variantNameString;
variantNameString.Format( TXT( "%c%" ) TPRIu32, shaderTypeCharacter, userOptionIndex );
Name variantName( variantNameString );
variantNameString.Clear();
pLoadRequest->spVariant.Set( Reflect::AssertCast< ShaderVariant >( pShader->FindChild( variantName ) ) );
if( !pLoadRequest->spVariant )
{
if( !GameObject::Create< ShaderVariant >( pLoadRequest->spVariant, variantName, pShader ) )
{
HELIUM_TRACE(
TRACE_ERROR,
( TXT( "ShaderVariantResourceHandler::BeginLoadVariant(): Failed to create shader variant object " )
TXT( "\"%s:%s\".\n" ) ),
*pShader->GetPath().ToString(),
*variantName );
}
else
{
HELIUM_ASSERT( pLoadRequest->spVariant );
}
}
// If we have an object for the shader variant, attempt to load its resource data.
ShaderVariant* pVariant = pLoadRequest->spVariant;
if( pVariant && !pVariant->GetAnyFlagSet( GameObject::FLAG_PRECACHED ) )
{
GameObject* pPackageObject;
for( pPackageObject = pShader->GetOwner();
pPackageObject != NULL && !pPackageObject->IsPackage();
pPackageObject = pPackageObject->GetOwner() )
{
// This space intentionally left blank...
}
HELIUM_ASSERT( pPackageObject );
PackageLoader* pPackageLoader = Reflect::AssertCast< Package >( pPackageObject )->GetLoader();
HELIUM_ASSERT( pPackageLoader );
HELIUM_ASSERT( pPackageLoader->IsSourcePackageFile() );
ObjectPreprocessor* pObjectPreprocessor = ObjectPreprocessor::GetStaticInstance();
HELIUM_ASSERT( pObjectPreprocessor );
pObjectPreprocessor->LoadResourceData( pVariant, pPackageLoader->GetFileTimestamp() );
// Resource data loaded, so deserialize the persistent data for the current platform and begin precaching.
CacheManager& rCacheManager = CacheManager::GetStaticInstance();
const Resource::PreprocessedData& rPreprocessedData = pVariant->GetPreprocessedData(
rCacheManager.GetCurrentPlatform() );
const DynArray< uint8_t >& rPersistentDataBuffer = rPreprocessedData.persistentDataBuffer;
//PMDTODO: Implmenet this
// BinaryDeserializer deserializer;
// deserializer.Prepare( rPersistentDataBuffer.GetData(), rPersistentDataBuffer.GetSize() );
// deserializer.BeginSerialize();
// pVariant->SerializePersistentResourceData( deserializer );
// deserializer.EndSerialize();
Reflect::ObjectPtr persistent_resource_data = Cache::ReadCacheObjectFromBuffer(rPersistentDataBuffer);
pVariant->LoadPersistentResourceObject(persistent_resource_data);
pVariant->BeginPrecacheResourceData();
}
size_t loadId = m_loadRequestPool.GetIndex( pLoadRequest );
HELIUM_ASSERT( IsValid( loadId ) );
return loadId;
}
