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core: Simplify SDMC mod loading 

If someone else wants to support other mod formats in the SDMC
directory, that can be added later. For now, just allow RomFS modding
here and force people to do other types of mods the old way.

Addresses review comments.

Co-authored-by: LC <mathew1800@gmail.com>
master
lat9nq 2021-06-15 19:59:10 +07:00 committed by Morph
parent 1664c74a6c
commit 844e0114b0
3 changed files with 10 additions and 21 deletions
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25
src/core/file_sys/patch_manager.cpp
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@ -529,26 +529,13 @@ PatchManager::PatchVersionNames PatchManager::GetPatchVersionNames(VirtualFile u
}
}
// SDMC mod directory (LayeredFS)
// SDMC mod directory (RomFS 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);
}
if (sdmc_mod_dir != nullptr && sdmc_mod_dir->GetSize() > 0 &&
IsDirValidAndNonEmpty(FindSubdirectoryCaseless(sdmc_mod_dir, "romfs"))) {
const auto mod_disabled =
std::find(disabled.begin(), disabled.end(), "SDMC") != disabled.end();
out.insert_or_assign(mod_disabled ? "[D] SDMC" : "SDMC", "LayeredFS");
}
// DLC

3
src/core/file_sys/sdmc_factory.cpp
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@ -29,8 +29,9 @@ ResultVal<VirtualDir> SDMCFactory::Open() const {
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)
if (title_id == 0 || (title_id & 0xFFF) == 0x800) {
return nullptr;
}
return GetOrCreateDirectoryRelative(dir, fmt::format("/atmosphere/contents/{:016X}", title_id));
}

3
src/core/hle/service/filesystem/filesystem.cpp
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@ -706,8 +706,9 @@ FileSys::VirtualDir FileSystemController::GetModificationLoadRoot(u64 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)
if (sdmc_factory == nullptr) {
return nullptr;
}
return sdmc_factory->GetSDMCModificationLoadRoot(title_id);
}