StateAutoConnector* IState::Update(void* sender, float dt)
{
for (auto connector : mBeforeConnectors)
{
if (connector->Evaluate(sender))
{
return connector;
}
}
RETURN_NULL_IF_TRUE(OnUpdate(sender, dt));
for (auto connector : mAfterConnectors)
{
if (connector->Evaluate(sender))
{
return connector;
}
}
return nullptr;
}
IStream* FileStorage::WriteFile(const StringRef& path, DirectoryEntry* parent /*= nullptr*/, FileOpenMode openMode /*= FileOpenMode::DestoryWriteOrCreate*/, FileDataType dataType /*= FileDataType::Binary*/)
{
RETURN_NULL_IF_TRUE(IsReadOnly());
FileEntry* fileEntry = FindFile(path, parent);
CoderList coders = GetFileCoders(*fileEntry);
if (fileEntry == nullptr)
{
//not exists
switch (openMode)
{
case FileOpenMode::ReadOnly:
case FileOpenMode::ReadWrite:
return nullptr;
case FileOpenMode::DestoryWriteOrCreate:
//create file to only write
break;
case FileOpenMode::DestoryReadWriteOrCreate:
case FileOpenMode::AppendReadWriteClearEOFOrCreate:
case FileOpenMode::AppendWriteKeepEOFOrCreate:
if (coders != 0)
{
Log::AssertFailedFormat("Not support read & write file with coder:{}", coders);
return nullptr;
}
////create file to read write
break;
default:
break;
}
fileEntry = FindOrCreateFileEntry(path, parent);
IStream* stream = WriteFileHelper(*fileEntry, openMode, dataType);
if (stream == nullptr)
{
RemoveFile(fileEntry); //remove back file
}
return stream;
}
else
{
//exists
switch (openMode)
{
case FileOpenMode::ReadOnly:
break;
case FileOpenMode::ReadWrite:
if (fileEntry->IsReadonly())
{
Log::AssertFailedFormat("Cannot read & write readonly file:{}", path);
return nullptr;
}
if (coders != 0)
{
Log::AssertFailedFormat("Not support read & write file with coder:{}", coders);
return nullptr;
}
break;
case FileOpenMode::DestoryWriteOrCreate:
//use new attribute
break;
case FileOpenMode::AppendWriteKeepEOFOrCreate:
if (coders != 0)
{
Log::AssertFailedFormat("Cannot append & write readonly file:{}", path);
return nullptr;
}
break;
case FileOpenMode::DestoryReadWriteOrCreate:
RETURN_NULL_IF_TRUE(IsReadOnly());
if (coders != 0)
{
Log::AssertFailedFormat("Not support read & write file with coder:{}", coders);
return nullptr;
}
break;
case FileOpenMode::AppendReadWriteClearEOFOrCreate:
if (fileEntry->IsReadonly())
{
Log::AssertFailedFormat("Cannot read & write readonly file:{}", path);
return nullptr;
}
if (GetFileCoders(*fileEntry))
{
Log::AssertFailedFormat("Not support read & write file with coder:{}", coders);
return nullptr;
}
break;
default:
break;
}
IStream* stream = WriteFileHelper(*fileEntry, openMode, dataType);
RETURN_NULL_IF_NULL(stream);
return stream;
}
}
