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savedata_factory: Automatically create certain savedata 

After further hardware investigation, it appears that some games, perhaps those more lazily coded, will not call EnsureSaveData, meaning that they expect the normal (current) save to be automatically made. Additionally, some games do not create a cache or temporary save before use.
In these 3 specific instances, the save is created automatically for the game if it doesn't exist.
This commit is contained in:
Zach Hilman 2019-10-22 15:47:31 -04:00
parent dd2e96b362
commit bb207fe27a
1 changed files with 12 additions and 0 deletions
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12
src/core/file_sys/savedata_factory.cpp
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@ -16,6 +16,7 @@ namespace FileSys {
constexpr char SAVE_DATA_SIZE_FILENAME[] = ".yuzu_save_size";
namespace {
void PrintSaveDataDescriptorWarnings(SaveDataDescriptor meta) {
if (meta.type == SaveDataType::SystemSaveData || meta.type == SaveDataType::SaveData) {
if (meta.zero_1 != 0) {
@ -52,6 +53,13 @@ void PrintSaveDataDescriptorWarnings(SaveDataDescriptor meta) {
meta.user_id[1], meta.user_id[0]);
}
}
bool ShouldSaveDataBeAutomaticallyCreated(SaveDataSpaceId space, const SaveDataDescriptor& desc) {
return desc.type == SaveDataType::CacheStorage || desc.type == SaveDataType::TemporaryStorage ||
(space == SaveDataSpaceId::NandUser && ///< Normal Save Data -- Current Title & User
desc.type == SaveDataType::SaveData && desc.title_id == 0 && desc.save_id == 0);
}
} // Anonymous namespace
std::string SaveDataDescriptor::DebugInfo() const {
@ -96,6 +104,10 @@ ResultVal<VirtualDir> SaveDataFactory::Open(SaveDataSpaceId space,
auto out = dir->GetDirectoryRelative(save_directory);
if (out == nullptr && ShouldSaveDataBeAutomaticallyCreated(space, meta)) {
return Create(space, meta);
}
// Return an error if the save data doesn't actually exist.
if (out == nullptr) {
// TODO(Subv): Find out correct error code.