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core/file_sys: Do not apply the same mods to DLCs
Now you can apply separate mods to DLCs and mods for the original title won't be applied.
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@ -26,6 +26,14 @@ namespace FileSys {
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static const int kMaxSections = 8; ///< Maximum number of sections (files) in an ExeFs
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static const int kBlockSize = 0x200; ///< Size of ExeFS blocks (in bytes)
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u64 GetModId(u64 program_id) {
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constexpr u64 UPDATE_MASK = 0x0000000e'00000000;
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if ((program_id & 0x000000ff'00000000) == UPDATE_MASK) { // Apply the mods to updates
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return program_id & ~UPDATE_MASK;
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}
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return program_id;
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}
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/**
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* Get the decompressed size of an LZSS compressed ExeFS file
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* @param buffer Buffer of compressed file
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@ -306,7 +314,7 @@ Loader::ResultStatus NCCHContainer::Load() {
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const auto mods_path =
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fmt::format("{}mods/{:016X}/", FileUtil::GetUserPath(FileUtil::UserPath::LoadDir),
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ncch_header.program_id & 0x00040000'FFFFFFFF);
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GetModId(ncch_header.program_id));
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std::array<std::string, 2> exheader_override_paths{{
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mods_path + "exheader.bin",
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filepath + ".exheader",
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@ -530,7 +538,7 @@ Loader::ResultStatus NCCHContainer::ApplyCodePatch(std::vector<u8>& code) const
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const auto mods_path =
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fmt::format("{}mods/{:016X}/", FileUtil::GetUserPath(FileUtil::UserPath::LoadDir),
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ncch_header.program_id & 0x00040000'FFFFFFFF);
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GetModId(ncch_header.program_id));
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const std::array<PatchLocation, 4> patch_paths{{
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{mods_path + "exefs/code.ips", Patch::ApplyIpsPatch},
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{mods_path + "exefs/code.bps", Patch::ApplyBpsPatch},
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@ -574,7 +582,7 @@ Loader::ResultStatus NCCHContainer::LoadOverrideExeFSSection(const char* name,
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const auto mods_path =
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fmt::format("{}mods/{:016X}/", FileUtil::GetUserPath(FileUtil::UserPath::LoadDir),
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ncch_header.program_id & 0x00040000'FFFFFFFF);
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GetModId(ncch_header.program_id));
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std::array<std::string, 2> override_paths{{
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mods_path + "exefs/" + override_name,
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filepath + ".exefsdir/" + override_name,
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@ -640,7 +648,7 @@ Loader::ResultStatus NCCHContainer::ReadRomFS(std::shared_ptr<RomFSReader>& romf
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const auto path =
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fmt::format("{}mods/{:016X}/", FileUtil::GetUserPath(FileUtil::UserPath::LoadDir),
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ncch_header.program_id & 0x00040000'FFFFFFFF);
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GetModId(ncch_header.program_id));
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if (use_layered_fs &&
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(FileUtil::Exists(path + "romfs/") || FileUtil::Exists(path + "romfs_ext/"))) {
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