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core: Support LayeredFS mod from SDMC directory

Enables loading a mod directly from `[yuzu data
directory]/sdmc/atmosphere/contents/[title_id]`. For use with some
homebrew mod managers.
This commit is contained in:
lat9nq 2021-06-14 21:41:25 -04:00 committed by Morph
parent bfecd395d4
commit 1664c74a6c
5 changed files with 47 additions and 2 deletions

View file

@ -345,8 +345,10 @@ std::vector<Core::Memory::CheatEntry> PatchManager::CreateCheatList(
static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType type,
const Service::FileSystem::FileSystemController& fs_controller) {
const auto load_dir = fs_controller.GetModificationLoadRoot(title_id);
const auto sdmc_load_dir = fs_controller.GetSDMCModificationLoadRoot(title_id);
if ((type != ContentRecordType::Program && type != ContentRecordType::Data) ||
load_dir == nullptr || load_dir->GetSize() <= 0) {
((load_dir == nullptr || load_dir->GetSize() <= 0) &&
(sdmc_load_dir == nullptr || sdmc_load_dir->GetSize() <= 0))) {
return;
}
@ -356,7 +358,10 @@ static void ApplyLayeredFS(VirtualFile& romfs, u64 title_id, ContentRecordType t
}
const auto& disabled = Settings::values.disabled_addons[title_id];
auto patch_dirs = load_dir->GetSubdirectories();
std::vector<VirtualDir> patch_dirs = load_dir->GetSubdirectories();
if (std::find(disabled.cbegin(), disabled.cend(), "SDMC") == disabled.cend()) {
patch_dirs.push_back(sdmc_load_dir);
}
std::sort(patch_dirs.begin(), patch_dirs.end(),
[](const VirtualDir& l, const VirtualDir& r) { return l->GetName() < r->GetName(); });
@ -524,6 +529,28 @@ PatchManager::PatchVersionNames PatchManager::GetPatchVersionNames(VirtualFile u
}
}
// SDMC mod directory (LayeredFS)
const auto sdmc_mod_dir = fs_controller.GetSDMCModificationLoadRoot(title_id);
if (sdmc_mod_dir != nullptr && sdmc_mod_dir->GetSize() > 0) {
std::string types;
const auto exefs_dir = FindSubdirectoryCaseless(sdmc_mod_dir, "exefs");
if (IsDirValidAndNonEmpty(exefs_dir)) {
bool layeredfs = false;
if (layeredfs)
AppendCommaIfNotEmpty(types, "LayeredExeFS");
}
if (IsDirValidAndNonEmpty(FindSubdirectoryCaseless(sdmc_mod_dir, "romfs")))
AppendCommaIfNotEmpty(types, "LayeredFS");
if (!types.empty()) {
const auto mod_disabled =
std::find(disabled.begin(), disabled.end(), "SDMC") != disabled.end();
out.insert_or_assign(mod_disabled ? "[D] SDMC" : "SDMC", types);
}
}
// DLC
const auto dlc_entries =
content_provider.ListEntriesFilter(TitleType::AOC, ContentRecordType::Data);

View file

@ -27,6 +27,13 @@ ResultVal<VirtualDir> SDMCFactory::Open() const {
return MakeResult<VirtualDir>(dir);
}
VirtualDir SDMCFactory::GetSDMCModificationLoadRoot(u64 title_id) const {
// LayeredFS doesn't work on updates and title id-less homebrew
if (title_id == 0 || (title_id & 0xFFF) == 0x800)
return nullptr;
return GetOrCreateDirectoryRelative(dir, fmt::format("/atmosphere/contents/{:016X}", title_id));
}
VirtualDir SDMCFactory::GetSDMCContentDirectory() const {
return GetOrCreateDirectoryRelative(dir, "/Nintendo/Contents");
}

View file

@ -21,6 +21,7 @@ public:
ResultVal<VirtualDir> Open() const;
VirtualDir GetSDMCModificationLoadRoot(u64 title_id) const;
VirtualDir GetSDMCContentDirectory() const;
RegisteredCache* GetSDMCContents() const;

View file

@ -703,6 +703,15 @@ FileSys::VirtualDir FileSystemController::GetModificationLoadRoot(u64 title_id)
return bis_factory->GetModificationLoadRoot(title_id);
}
FileSys::VirtualDir FileSystemController::GetSDMCModificationLoadRoot(u64 title_id) const {
LOG_TRACE(Service_FS, "Opening SDMC mod load root for tid={:016X}", title_id);
if (sdmc_factory == nullptr)
return nullptr;
return sdmc_factory->GetSDMCModificationLoadRoot(title_id);
}
FileSys::VirtualDir FileSystemController::GetModificationDumpRoot(u64 title_id) const {
LOG_TRACE(Service_FS, "Opening mod dump root for tid={:016X}", title_id);

View file

@ -115,6 +115,7 @@ public:
FileSys::VirtualDir GetContentDirectory(ContentStorageId id) const;
FileSys::VirtualDir GetImageDirectory(ImageDirectoryId id) const;
FileSys::VirtualDir GetSDMCModificationLoadRoot(u64 title_id) const;
FileSys::VirtualDir GetModificationLoadRoot(u64 title_id) const;
FileSys::VirtualDir GetModificationDumpRoot(u64 title_id) const;