/// Begin asynchronous loading of an object.
///
/// @param[in] path GameObject path.
///
/// @return ID for the load request if started successfully, invalid index if not.
///
/// @see TryFinishLoad(), FinishLoad()
size_t GameObjectLoader::BeginLoadObject( GameObjectPath path )
{
// Search for an existing load request with the given path.
ConcurrentHashMap< GameObjectPath, LoadRequest* >::ConstAccessor requestConstAccessor;
if( m_loadRequestMap.Find( requestConstAccessor, path ) )
{
LoadRequest* pRequest = requestConstAccessor->Second();
HELIUM_ASSERT( pRequest );
AtomicIncrementRelease( pRequest->requestCount );
// We can release now, as the request shouldn't get released now that we've incremented its reference count.
requestConstAccessor.Release();
return m_loadRequestPool.GetIndex( pRequest );
}
// Get the package loader to use for the given object.
PackageLoader* pPackageLoader = GetPackageLoader( path );
if( !pPackageLoader )
{
HELIUM_TRACE(
TRACE_ERROR,
TXT( "GameObjectLoader::BeginLoadObject(): Failed to locate package loader for \"%s\".\n" ),
*path.ToString() );
return Invalid< size_t >();
}
// Add the load request.
LoadRequest* pRequest = m_loadRequestPool.Allocate();
pRequest->path = path;
HELIUM_ASSERT( !pRequest->spObject );
pRequest->pPackageLoader = pPackageLoader;
SetInvalid( pRequest->packageLoadRequestId );
HELIUM_ASSERT( pRequest->linkTable.IsEmpty() );
pRequest->stateFlags = 0;
pRequest->requestCount = 1;
ConcurrentHashMap< GameObjectPath, LoadRequest* >::Accessor requestAccessor;
if( m_loadRequestMap.Insert( requestAccessor, KeyValue< GameObjectPath, LoadRequest* >( path, pRequest ) ) )
{
// New load request was created, so tick it once to get the load process running.
requestAccessor.Release();
TickLoadRequest( pRequest );
}
else
{
// A matching request was added while we were building our request, so reuse it.
m_loadRequestPool.Release( pRequest );
pRequest = requestAccessor->Second();
HELIUM_ASSERT( pRequest );
AtomicIncrementRelease( pRequest->requestCount );
// We can release now, as the request shouldn't get released now that we've incremented its reference count.
requestAccessor.Release();
}
return m_loadRequestPool.GetIndex( pRequest );
}
/// Initialize this manager.
///
/// @return True if this manager was initialized successfully, false if not.
///
/// @see Shutdown()
bool WorldManager::Initialize()
{
HELIUM_ASSERT( !m_spWorldPackage );
// Create the world package first.
// XXX TMC: Note that we currently assume that the world package has no parents, so we don't need to handle
// recursive package creation. If we want to move the world package to a subpackage, this will need to be
// updated accordingly.
GameObjectPath worldPackagePath = GetWorldPackagePath();
HELIUM_ASSERT( !worldPackagePath.IsEmpty() );
HELIUM_ASSERT( worldPackagePath.GetParent().IsEmpty() );
bool bCreateResult = GameObject::Create< Package >( m_spWorldPackage, worldPackagePath.GetName(), NULL );
HELIUM_ASSERT( bCreateResult );
if( !bCreateResult )
{
HELIUM_TRACE(
TRACE_ERROR,
TXT( "WorldManager::Initialize(): Failed to create world package \"%s\".\n" ),
*worldPackagePath.ToString() );
return false;
}
HELIUM_ASSERT( m_spWorldPackage );
// Reset frame timings.
m_actualFrameTickCount = 0;
m_frameTickCount = 0;
m_frameDeltaTickCount = 0;
m_frameDeltaSeconds = 0.0f;
// First frame still needs to be processed.
m_bProcessedFirstFrame = false;
return true;
}
/// @copydoc ResourceHandler::CacheResource()
bool ShaderResourceHandler::CacheResource(
ObjectPreprocessor* pObjectPreprocessor,
Resource* pResource,
const String& rSourceFilePath )
{
HELIUM_ASSERT( pObjectPreprocessor );
HELIUM_ASSERT( pResource );
const Shader* pShader = Reflect::AssertCast< const Shader >( pResource );
GameObjectPath shaderPath = pShader->GetPath();
HELIUM_TRACE( TraceLevels::Info, TXT( "ShaderResourceHandler: Caching \"%s\".\n" ), *shaderPath.ToString() );
DefaultAllocator allocator;
FileStream* pSourceFileStream = FileStream::OpenFileStream( rSourceFilePath, FileStream::MODE_READ );
if( !pSourceFileStream )
{
HELIUM_TRACE(
TraceLevels::Error,
TXT( "ShaderResourceHandler: Source file for shader resource \"%s\" failed to open properly.\n" ),
*shaderPath.ToString() );
return false;
}
// Load the entire shader resource into memory.
int64_t size64 = pSourceFileStream->GetSize();
HELIUM_ASSERT( size64 != -1 );
HELIUM_ASSERT( static_cast< uint64_t >( size64 ) <= static_cast< size_t >( -1 ) );
if( size64 > static_cast< uint64_t >( static_cast< size_t >( -1 ) ) )
{
HELIUM_TRACE(
TraceLevels::Error,
( TXT( "ShaderResourceHandler: Source file for shader resource \"%s\" is too large to fit into " )
TXT( "memory for preprocessing.\n" ) ),
*shaderPath.ToString() );
delete pSourceFileStream;
return false;
}
size_t size = static_cast< size_t >( size64 );
void* pShaderData = allocator.Allocate( size );
HELIUM_ASSERT( pShaderData );
if( !pShaderData )
{
HELIUM_TRACE(
TraceLevels::Error,
( TXT( "ShaderResourceHandler: Failed to allocate %" ) TPRIuSZ TXT( " bytes for loading the source " )
TXT( "data of \"%s\" for preprocessing.\n" ) ),
size,
*shaderPath.ToString() );
delete pSourceFileStream;
return false;
}
BufferedStream( pSourceFileStream ).Read( pShaderData, 1, size );
delete pSourceFileStream;
// Parse all preprocessor toggle and selection tokens from the shader source.
Shader::PersistentResourceData resourceData;
const char* pLineEnd = static_cast< const char* >( pShaderData );
const char* pShaderEnd = pLineEnd + size;
do
{
const char* pLineStart = pLineEnd;
while( pLineEnd < pShaderEnd )
{
char character = *pLineEnd;
if( character == '\n' || character == '\r' )
{
break;
}
++pLineEnd;
}
ParseLine( shaderPath, resourceData, pLineStart, pLineEnd );
while( pLineEnd < pShaderEnd )
{
char character = *pLineEnd;
if( character != '\n' && character != '\r' )
{
break;
}
++pLineEnd;
}
} while( pLineEnd < pShaderEnd );
allocator.Free( pShaderData );
// Serialize the persistent shader resource data for each platform.
for( size_t platformIndex = 0; platformIndex < static_cast< size_t >( Cache::PLATFORM_MAX ); ++platformIndex )
{
PlatformPreprocessor* pPreprocessor = pObjectPreprocessor->GetPlatformPreprocessor(
static_cast< Cache::EPlatform >( platformIndex ) );
if( !pPreprocessor )
{
continue;
}
Resource::PreprocessedData& rPreprocessedData = pResource->GetPreprocessedData(
static_cast< Cache::EPlatform >( platformIndex ) );
SaveObjectToPersistentDataBuffer(&resourceData, rPreprocessedData.persistentDataBuffer);
rPreprocessedData.subDataBuffers.Resize( 0 );
rPreprocessedData.bLoaded = true;
}
return true;
}
/// Parse the given shader source line for toggle and select options.
///
/// @param[in] shaderPath GameObject path of the shader resource being preprocessed (used for logging purposes
/// only).
/// @param[in] rResourceData Persistent shader resource data to update.
/// @param[in] pLineStart Pointer to the first character in the line.
/// @param[in] pLineEnd Pointer to the character just past the end of the line.
void ShaderResourceHandler::ParseLine(
GameObjectPath shaderPath,
Shader::PersistentResourceData& rResourceData,
const char* pLineStart,
const char* pLineEnd )
{
HELIUM_UNREF( shaderPath ); // Not used if logging is disabled.
HELIUM_ASSERT( pLineStart );
HELIUM_ASSERT( pLineEnd >= pLineStart );
const char linePrefix[] = "//!";
const char toggleUserCommand[] = "@toggle";
const char selectUserCommand[] = "@select";
const char toggleSystemCommand[] = "@systoggle";
const char selectSystemCommand[] = "@sysselect";
size_t characterCount = static_cast< size_t >( pLineEnd - pLineStart );
// Only process lines that start with the special comment prefix.
if( characterCount < HELIUM_ARRAY_COUNT( linePrefix ) - 1 ||
CompareString( pLineStart, linePrefix, HELIUM_ARRAY_COUNT( linePrefix ) - 1 ) != 0 )
{
return;
}
pLineStart += HELIUM_ARRAY_COUNT( linePrefix ) - 1;
characterCount -= HELIUM_ARRAY_COUNT( linePrefix ) - 1;
// Split the line based on groups of whitespaces.
CharString line( pLineStart, characterCount );
DynamicArray< CharString > splitLine;
line.Split( splitLine, " \t\v\f", Invalid< size_t >(), true );
// Ignore the first split if it's empty (will occur if the command is preceded by whitespaces).
size_t splitCount = splitLine.GetSize();
if( splitCount > 0 && splitLine[ 0 ].IsEmpty() )
{
splitLine.Remove( 0 );
--splitCount;
}
// We need at least 2 splits (command and at least one command parameter).
if( splitCount < 2 )
{
return;
}
// Process the command.
DynamicArray< CharString > splitCommand;
splitLine[ 0 ].Split( splitCommand, '_' );
size_t commandSplitCount = splitCommand.GetSize();
if( commandSplitCount < 1 || commandSplitCount > 2 )
{
// Invalid command format.
return;
}
const CharString& rCommand = splitCommand[ 0 ];
bool bToggleUserCommand = ( rCommand == toggleUserCommand );
bool bSelectUserCommand = ( !bToggleUserCommand && rCommand == selectUserCommand );
bool bToggleSystemCommand = ( !( bToggleUserCommand | bSelectUserCommand ) && rCommand == toggleSystemCommand );
bool bSelectSystemCommand =
( !( bToggleUserCommand | bSelectUserCommand | bToggleSystemCommand ) && rCommand == selectSystemCommand );
if( !( bToggleUserCommand | bSelectUserCommand | bToggleSystemCommand | bSelectSystemCommand ) )
{
return;
}
/// Make sure the option name (first parameter after the command name) is valid.
String convertedString;
HELIUM_VERIFY( ( StringConverter< char, tchar_t >::Convert( convertedString, splitLine[ 1 ] ) ) );
Name optionName( convertedString );
if( optionName.IsEmpty() )
{
HELIUM_TRACE(
TraceLevels::Error,
TXT( "ShaderResourceHandler: Skipping empty option in shader resource \"%s\".\n" ),
*shaderPath.ToString() );
return;
}
// Make sure an existing toggle or selection option exists with the parsed option name.
Shader::Options& rSystemOptions = rResourceData.GetSystemOptions();
Shader::Options& rUserOptions = rResourceData.GetUserOptions();
DynamicArray< Shader::Toggle >& rSystemToggles = rSystemOptions.GetToggles();
DynamicArray< Shader::Select >& rSystemSelects = rSystemOptions.GetSelects();
DynamicArray< Shader::Toggle >& rUserToggles = rUserOptions.GetToggles();
DynamicArray< Shader::Select >& rUserSelects = rUserOptions.GetSelects();
if( ParseLineDuplicateOptionCheck( optionName, rSystemToggles ) ||
ParseLineDuplicateOptionCheck( optionName, rSystemSelects ) ||
ParseLineDuplicateOptionCheck( optionName, rUserToggles ) ||
ParseLineDuplicateOptionCheck( optionName, rUserSelects ) )
{
HELIUM_TRACE(
TraceLevels::Error,
( TXT( "ShaderResourceHandler: Duplicate option name \"%s\" found in shader resource \"%s\". Only " )
TXT( "the first option will be used.\n" ) ),
*optionName,
*shaderPath.ToString() );
return;
}
// Handle shader-specific command flags (option applies to all shader types if no flags are specified).
uint32_t shaderFlags = ( 1 << RShader::TYPE_MAX ) - 1;
if( commandSplitCount > 1 )
{
shaderFlags = 0;
const CharString& rShaderFlags = splitCommand[ 1 ];
size_t shaderFlagCount = rShaderFlags.GetSize();
for( size_t flagIndex = 0; flagIndex < shaderFlagCount; ++flagIndex )
{
char flagCharacter = rShaderFlags[ flagIndex ];
if( flagCharacter == 'v' )
{
shaderFlags |= ( 1 << RShader::TYPE_VERTEX );
}
else if( flagCharacter == 'p' )
{
shaderFlags |= ( 1 << RShader::TYPE_PIXEL );
}
}
}
// Parse the command parameters.
if( bToggleUserCommand | bToggleSystemCommand )
{
Shader::Toggle* pToggle = ( bToggleUserCommand ? rUserToggles : rSystemToggles ).New();
HELIUM_ASSERT( pToggle );
pToggle->name = optionName;
pToggle->shaderTypeFlags = shaderFlags;
if( splitCount > 2 )
{
HELIUM_TRACE(
TraceLevels::Warning,
( TXT( "ShaderResourceHandler: Extra tokens for toggle command \"%s\" in shader resource \"%s\" " )
TXT( "ignored.\n" ) ),
*splitLine[ 1 ],
*shaderPath.ToString() );
}
}
else
{
if( splitCount < 3 || ( splitCount < 4 && splitLine[ 2 ] == "NONE" ) )
{
HELIUM_TRACE(
TraceLevels::Error,
( TXT( "ShaderResourceHandler: Missing options for select command \"%s\" in shader resource " )
TXT( "\"%s\".\n" ) ),
*splitLine[ 1 ],
*shaderPath.ToString() );
return;
}
Shader::Select* pSelect = ( bSelectUserCommand ? rUserSelects : rSystemSelects ).New();
HELIUM_ASSERT( pSelect );
pSelect->name = optionName;
pSelect->shaderTypeFlags = shaderFlags;
pSelect->bOptional = ( splitLine[ 2 ] == "NONE" );
size_t choiceIndex = ( pSelect->bOptional ? 3 : 2 );
for( ; choiceIndex < splitCount; ++choiceIndex )
{
HELIUM_VERIFY( ( StringConverter< char, tchar_t >::Convert( convertedString, splitLine[ choiceIndex ] ) ) );
pSelect->choices.New( convertedString );
}
}
}
/// Update property preloading for the given object load request.
///
/// @param[in] pRequest Load request to update.
///
/// @return True if preloading still needs processing, false if it is complete.
bool GameObjectLoader::TickPreload( LoadRequest* pRequest )
{
HELIUM_ASSERT( pRequest );
HELIUM_ASSERT( !( pRequest->stateFlags & ( LOAD_FLAG_LINKED | LOAD_FLAG_PRECACHED | LOAD_FLAG_LOADED ) ) );
PackageLoader* pPackageLoader = pRequest->pPackageLoader;
HELIUM_ASSERT( pPackageLoader );
if( IsInvalid( pRequest->packageLoadRequestId ) )
{
if( !pPackageLoader->TryFinishPreload() )
{
// Still waiting for package loader preload.
return false;
}
// Add an object load request.
GameObjectPath path = pRequest->path;
pRequest->packageLoadRequestId = pPackageLoader->BeginLoadObject( path );
if( IsInvalid( pRequest->packageLoadRequestId ) )
{
pRequest->spObject = GameObject::FindObject( path );
GameObject* pObject = pRequest->spObject;
if( pObject )
{
HELIUM_TRACE(
TRACE_WARNING,
TXT( "GameObjectLoader: GameObject \"%s\" is not serialized, but was found in memory.\n" ),
*path.ToString() );
// Make sure the object is preloaded and linked, but still perform resource caching and load
// finalization if necessary.
pObject->SetFlags( GameObject::FLAG_PRELOADED | GameObject::FLAG_LINKED );
AtomicOrRelease( pRequest->stateFlags, LOAD_FLAG_PRELOADED | LOAD_FLAG_LINKED );
return true;
}
HELIUM_TRACE(
TRACE_ERROR,
TXT( "GameObjectLoader: GameObject \"%s\" is not serialized and does not exist in memory.\n" ),
*path.ToString() );
AtomicOrRelease( pRequest->stateFlags, LOAD_FLAG_FULLY_LOADED | LOAD_FLAG_ERROR );
return true;
}
}
HELIUM_ASSERT( IsValid( pRequest->packageLoadRequestId ) );
bool bFinished = pPackageLoader->TryFinishLoadObject(
pRequest->packageLoadRequestId,
pRequest->spObject,
pRequest->linkTable );
if( !bFinished )
{
// Still waiting for object to load.
return false;
}
// Preload complete.
SetInvalid( pRequest->packageLoadRequestId );
AtomicOrRelease( pRequest->stateFlags, LOAD_FLAG_PRELOADED );
return true;
}
/// @copydoc PackageLoader::BeginLoadObject()
size_t CachePackageLoader::BeginLoadObject( GameObjectPath path )
{
HELIUM_ASSERT( m_pCache );
// Don't load packages from the cache, but instead create them dynamically.
if( path.IsPackage() )
{
HELIUM_TRACE(
TraceLevels::Debug,
TXT( "CachePackageLoader::BeginLoadObject(): \"%s\" is a package, resolving immediately.\n" ),
*path.ToString() );
LoadRequest* pRequest = m_loadRequestPool.Allocate();
HELIUM_ASSERT( pRequest );
pRequest->pEntry = NULL;
ResolvePackage( pRequest->spObject, path );
HELIUM_ASSERT( pRequest->spObject );
SetInvalid( pRequest->asyncLoadId );
pRequest->pAsyncLoadBuffer = NULL;
pRequest->pSerializedData = NULL;
pRequest->pPropertyStreamEnd = NULL;
pRequest->pPersistentResourceStreamEnd = NULL;
HELIUM_ASSERT( pRequest->typeLinkTable.IsEmpty() );
HELIUM_ASSERT( pRequest->objectLinkTable.IsEmpty() );
HELIUM_ASSERT( !pRequest->spType );
HELIUM_ASSERT( !pRequest->spTemplate );
HELIUM_ASSERT( !pRequest->spOwner );
SetInvalid( pRequest->templateLinkIndex );
SetInvalid( pRequest->ownerLinkIndex );
pRequest->flags = LOAD_FLAG_PRELOADED;
size_t requestId = m_loadRequests.Add( pRequest );
return requestId;
}
const Cache::Entry* pEntry = m_pCache->FindEntry( path, 0 );
if( !pEntry )
{
HELIUM_TRACE(
TraceLevels::Debug,
( TXT( "CachePackageLoader::BeginLoadObject(): \"%s\" is not cached in this package. No load " )
TXT( "request added.\n" ) ),
*path.ToString() );
return Invalid< size_t >();
}
#ifndef NDEBUG
size_t loadRequestSize = m_loadRequests.GetSize();
for( size_t loadRequestIndex = 0; loadRequestIndex < loadRequestSize; ++loadRequestIndex )
{
if( !m_loadRequests.IsElementValid( loadRequestIndex ) )
{
continue;
}
LoadRequest* pRequest = m_loadRequests[ loadRequestIndex ];
HELIUM_ASSERT( pRequest );
HELIUM_ASSERT( pRequest->pEntry != pEntry );
if( pRequest->pEntry == pEntry )
{
HELIUM_TRACE(
TraceLevels::Error,
( TXT( "CachePackageLoader::BeginLoadObject(): Duplicate load request of \"%s\". No load " )
TXT( "request added.\n" ) ),
*path.ToString() );
return Invalid< size_t >();
}
}
#endif
LoadRequest* pRequest = m_loadRequestPool.Allocate();
HELIUM_ASSERT( pRequest );
pRequest->pEntry = pEntry;
HELIUM_ASSERT( !pRequest->spObject );
SetInvalid( pRequest->asyncLoadId );
pRequest->pAsyncLoadBuffer = NULL;
pRequest->pSerializedData = NULL;
pRequest->pPropertyStreamEnd = NULL;
pRequest->pPersistentResourceStreamEnd = NULL;
HELIUM_ASSERT( pRequest->typeLinkTable.IsEmpty() );
HELIUM_ASSERT( pRequest->objectLinkTable.IsEmpty() );
HELIUM_ASSERT( !pRequest->spType );
HELIUM_ASSERT( !pRequest->spTemplate );
HELIUM_ASSERT( !pRequest->spOwner );
SetInvalid( pRequest->templateLinkIndex );
SetInvalid( pRequest->ownerLinkIndex );
pRequest->flags = 0;
// If a fully-loaded object already exists with the same name, do not attempt to re-load the object (just mark
// the request as complete).
pRequest->spObject = GameObject::FindObject( pEntry->path );
GameObject* pObject = pRequest->spObject;
if( pObject && pObject->IsFullyLoaded() )
{
HELIUM_TRACE(
TraceLevels::Debug,
( TXT( "CachePackageLoader::BeginLoadObject(): \"%s\" is already fully loaded. Bypassing load " )
TXT( "process.\n" ) ),
*path.ToString() );
pRequest->flags = LOAD_FLAG_PRELOADED;
}
else
{
HELIUM_ASSERT( !pObject || !pObject->GetAnyFlagSet( GameObject::FLAG_LOADED | GameObject::FLAG_LINKED ) );
HELIUM_TRACE(
TraceLevels::Debug,
TXT( "CachePackageLoader::BeginLoadObject(): Issuing async load of property data for \"%s\".\n" ),
*path.ToString() );
size_t entrySize = pEntry->size;
pRequest->pAsyncLoadBuffer = static_cast< uint8_t* >( DefaultAllocator().Allocate( entrySize ) );
HELIUM_ASSERT( pRequest->pAsyncLoadBuffer );
AsyncLoader& rLoader = AsyncLoader::GetStaticInstance();
pRequest->asyncLoadId = rLoader.QueueRequest(
pRequest->pAsyncLoadBuffer,
m_pCache->GetCacheFileName(),
pEntry->offset,
entrySize );
HELIUM_ASSERT( IsValid( pRequest->asyncLoadId ) );
}
size_t requestId = m_loadRequests.Add( pRequest );
HELIUM_TRACE(
TraceLevels::Debug,
( TXT( "CachePackageLoader::BeginLoadObject(): Load request for \"%s\" added (ID: %" ) TPRIuSZ
TXT( ").\n" ) ),
*path.ToString(),
requestId );
return requestId;
}
/// Add or update an entry in the cache.
///
/// @param[in] path GameObject path.
/// @param[in] subDataIndex Sub-data index associated with the cached data.
/// @param[in] pData Data to cache.
/// @param[in] timestamp Timestamp value to associate with the entry in the cache.
/// @param[in] size Number of bytes to cache.
///
/// @return True if the cache was updated successfully, false if not.
bool Cache::CacheEntry(
GameObjectPath path,
uint32_t subDataIndex,
const void* pData,
int64_t timestamp,
uint32_t size )
{
HELIUM_ASSERT( pData || size == 0 );
Status status;
status.Read( m_cacheFileName.GetData() );
int64_t cacheFileSize = status.m_Size;
uint64_t entryOffset = ( cacheFileSize == -1 ? 0 : static_cast< uint64_t >( cacheFileSize ) );
HELIUM_ASSERT( m_pEntryPool );
Entry* pEntryUpdate = m_pEntryPool->Allocate();
HELIUM_ASSERT( pEntryUpdate );
pEntryUpdate->offset = entryOffset;
pEntryUpdate->timestamp = timestamp;
pEntryUpdate->path = path;
pEntryUpdate->subDataIndex = subDataIndex;
pEntryUpdate->size = size;
uint64_t originalOffset = 0;
int64_t originalTimestamp = 0;
uint32_t originalSize = 0;
EntryKey key;
key.path = path;
key.subDataIndex = subDataIndex;
EntryMapType::Accessor entryAccessor;
bool bNewEntry = m_entryMap.Insert( entryAccessor, KeyValue< EntryKey, Entry* >( key, pEntryUpdate ) );
if( bNewEntry )
{
HELIUM_TRACE( TraceLevels::Info, TXT( "Cache: Adding \"%s\" to cache \"%s\".\n" ), *path.ToString(), *m_cacheFileName );
m_entries.Push( pEntryUpdate );
}
else
{
HELIUM_TRACE( TraceLevels::Info, TXT( "Cache: Updating \"%s\" in cache \"%s\".\n" ), *path.ToString(), *m_cacheFileName );
m_pEntryPool->Release( pEntryUpdate );
pEntryUpdate = entryAccessor->Second();
HELIUM_ASSERT( pEntryUpdate );
originalOffset = pEntryUpdate->offset;
originalTimestamp = pEntryUpdate->timestamp;
originalSize = pEntryUpdate->size;
if( originalSize < size )
{
pEntryUpdate->offset = entryOffset;
}
else
{
entryOffset = originalOffset;
}
pEntryUpdate->timestamp = timestamp;
pEntryUpdate->size = size;
}
AsyncLoader& rLoader = AsyncLoader::GetStaticInstance();
rLoader.Lock();
bool bCacheSuccess = true;
FileStream* pCacheStream = FileStream::OpenFileStream( m_cacheFileName, FileStream::MODE_WRITE, false );
if( !pCacheStream )
{
HELIUM_TRACE( TraceLevels::Error, TXT( "Cache: Failed to open cache \"%s\" for writing.\n" ), *m_cacheFileName );
bCacheSuccess = false;
}
else
{
HELIUM_TRACE(
TraceLevels::Info,
TXT( "Cache: Caching \"%s\" to \"%s\" (%" ) TPRIu32 TXT( " bytes @ offset %" ) TPRIu64 TXT( ").\n" ),
*path.ToString(),
*m_cacheFileName,
size,
entryOffset );
uint64_t seekOffset = static_cast< uint64_t >( pCacheStream->Seek(
static_cast< int64_t >( entryOffset ),
SeekOrigins::SEEK_ORIGIN_BEGIN ) );
if( seekOffset != entryOffset )
{
HELIUM_TRACE( TraceLevels::Error, TXT( "Cache: Cache file offset seek failed.\n" ) );
if( bNewEntry )
{
m_entries.Pop();
m_entryMap.Remove( entryAccessor );
m_pEntryPool->Release( pEntryUpdate );
}
else
{
pEntryUpdate->offset = originalOffset;
pEntryUpdate->timestamp = originalTimestamp;
pEntryUpdate->size = originalSize;
}
bCacheSuccess = false;
}
else
{
size_t writeSize = pCacheStream->Write( pData, 1, size );
if( writeSize != size )
{
HELIUM_TRACE(
TraceLevels::Error,
( TXT( "Cache: Failed to write %" ) TPRIu32 TXT( " bytes to cache \"%s\" (%" ) TPRIuSZ
TXT( " bytes written).\n" ) ),
size,
*m_cacheFileName,
writeSize );
if( bNewEntry )
{
m_entries.Pop();
m_entryMap.Remove( entryAccessor );
m_pEntryPool->Release( pEntryUpdate );
}
else
{
pEntryUpdate->offset = originalOffset;
pEntryUpdate->timestamp = originalTimestamp;
pEntryUpdate->size = originalSize;
}
bCacheSuccess = false;
}
else
{
HELIUM_TRACE( TraceLevels::Info, TXT( "Cache: Rewriting TOC file \"%s\".\n" ), *m_tocFileName );
FileStream* pTocStream = FileStream::OpenFileStream( m_tocFileName, FileStream::MODE_WRITE, true );
if( !pTocStream )
{
HELIUM_TRACE( TraceLevels::Error, TXT( "Cache: Failed to open TOC \"%s\" for writing.\n" ), *m_tocFileName );
}
else
{
BufferedStream* pBufferedStream = new BufferedStream( pTocStream );
HELIUM_ASSERT( pBufferedStream );
pBufferedStream->Write( &TOC_MAGIC, sizeof( TOC_MAGIC ), 1 );
pBufferedStream->Write( &sm_Version, sizeof( sm_Version ), 1 );
uint32_t entryCount = static_cast< uint32_t >( m_entries.GetSize() );
pBufferedStream->Write( &entryCount, sizeof( entryCount ), 1 );
String entryPath;
uint_fast32_t entryCountFast = entryCount;
for( uint_fast32_t entryIndex = 0; entryIndex < entryCountFast; ++entryIndex )
{
Entry* pEntry = m_entries[ entryIndex ];
HELIUM_ASSERT( pEntry );
pEntry->path.ToString( entryPath );
HELIUM_ASSERT( entryPath.GetSize() < UINT16_MAX );
uint16_t pathSize = static_cast< uint16_t >( entryPath.GetSize() );
pBufferedStream->Write( &pathSize, sizeof( pathSize ), 1 );
pBufferedStream->Write( *entryPath, sizeof( tchar_t ), pathSize );
pBufferedStream->Write( &pEntry->subDataIndex, sizeof( pEntry->subDataIndex ), 1 );
pBufferedStream->Write( &pEntry->offset, sizeof( pEntry->offset ), 1 );
pBufferedStream->Write( &pEntry->timestamp, sizeof( pEntry->timestamp ), 1 );
pBufferedStream->Write( &pEntry->size, sizeof( pEntry->size ), 1 );
}
delete pBufferedStream;
delete pTocStream;
}
}
}
delete pCacheStream;
}
rLoader.Unlock();
return bCacheSuccess;
}
/// @copydoc GameObjectLoader::CacheObject()
bool EditorObjectLoader::CacheObject( GameObject* pObject, bool bEvictPlatformPreprocessedResourceData )
{
HELIUM_ASSERT( pObject );
// Don't cache broken objects or packages.
if( pObject->GetAnyFlagSet( GameObject::FLAG_BROKEN ) || pObject->IsPackage() )
{
return false;
}
// Make sure we have an object preprocessor instance with which to cache the object.
ObjectPreprocessor* pObjectPreprocessor = ObjectPreprocessor::GetStaticInstance();
if( !pObjectPreprocessor )
{
HELIUM_TRACE(
TRACE_WARNING,
TXT( "EditorObjectLoader::CacheObject(): Missing ObjectPreprocessor to use for caching.\n" ) );
return false;
}
// Configuration objects should not be cached.
GameObjectPath objectPath = pObject->GetPath();
Config& rConfig = Config::GetStaticInstance();
GameObjectPath configPackagePath = rConfig.GetConfigContainerPackagePath();
HELIUM_ASSERT( !configPackagePath.IsEmpty() );
for( GameObjectPath testPath = objectPath; !testPath.IsEmpty(); testPath = testPath.GetParent() )
{
if( testPath == configPackagePath )
{
return false;
}
}
// Get the timestamp for the object based on the timestamp of its source package file and, if it's a resource,
// the timestamp of the source resource file.
GameObject* pPackageObject;
for( pPackageObject = pObject;
pPackageObject && !pPackageObject->IsPackage();
pPackageObject = pPackageObject->GetOwner() )
{
}
HELIUM_ASSERT( pPackageObject );
PackageLoader* pPackageLoader = Reflect::AssertCast< Package >( pPackageObject )->GetLoader();
HELIUM_ASSERT( pPackageLoader );
HELIUM_ASSERT( pPackageLoader->IsSourcePackageFile() );
int64_t objectTimestamp = pPackageLoader->GetFileTimestamp();
if( !pObject->IsDefaultTemplate() )
{
Resource* pResource = Reflect::SafeCast< Resource >( pObject );
if( pResource )
{
GameObjectPath baseResourcePath = pResource->GetPath();
HELIUM_ASSERT( !baseResourcePath.IsPackage() );
for( ; ; )
{
GameObjectPath parentPath = baseResourcePath.GetParent();
if( parentPath.IsEmpty() || parentPath.IsPackage() )
{
break;
}
baseResourcePath = parentPath;
}
Path sourceFilePath;
if ( !File::GetDataDirectory( sourceFilePath ) )
{
HELIUM_TRACE(
TRACE_WARNING,
TXT( "EditorObjectLoader::CacheObject(): Could not obtain data directory.\n" ) );
return false;
}
sourceFilePath += baseResourcePath.ToFilePathString().GetData();
int64_t sourceFileTimestamp = sourceFilePath.ModifiedTime();
if( sourceFileTimestamp > objectTimestamp )
{
objectTimestamp = sourceFileTimestamp;
}
}
}
// Cache the object.
bool bSuccess = pObjectPreprocessor->CacheObject(
pObject,
objectTimestamp,
bEvictPlatformPreprocessedResourceData );
if( !bSuccess )
{
HELIUM_TRACE(
TRACE_ERROR,
TXT( "EditorObjectLoader: Failed to cache object \"%s\".\n" ),
*objectPath.ToString() );
}
return bSuccess;
}
