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core/file_sys: Do not apply the same mods to DLCs

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Now you can apply separate mods to DLCs and mods for the original title won't be applied.
This commit is contained in:
zhupengfei 2020-02-11 14:03:07 +08:00
parent b81c9bd738
commit 4273b967b5
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GPG key ID: DD129E108BD09378
1 changed files with 12 additions and 4 deletions
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16
src/core/file_sys/ncch_container.cpp
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@ -26,6 +26,14 @@ namespace FileSys {
static const int kMaxSections = 8; ///< Maximum number of sections (files) in an ExeFs
static const int kBlockSize = 0x200; ///< Size of ExeFS blocks (in bytes)
u64 GetModId(u64 program_id) {
constexpr u64 UPDATE_MASK = 0x0000000e'00000000;
if ((program_id & 0x000000ff'00000000) == UPDATE_MASK) { // Apply the mods to updates
return program_id & ~UPDATE_MASK;
}
return program_id;
}
/**
* Get the decompressed size of an LZSS compressed ExeFS file
* @param buffer Buffer of compressed file
@ -306,7 +314,7 @@ Loader::ResultStatus NCCHContainer::Load() {
const auto mods_path =
fmt::format("{}mods/{:016X}/", FileUtil::GetUserPath(FileUtil::UserPath::LoadDir),
ncch_header.program_id & 0x00040000'FFFFFFFF);
GetModId(ncch_header.program_id));
std::array<std::string, 2> exheader_override_paths{{
mods_path + "exheader.bin",
filepath + ".exheader",
@ -530,7 +538,7 @@ Loader::ResultStatus NCCHContainer::ApplyCodePatch(std::vector<u8>& code) const
const auto mods_path =
fmt::format("{}mods/{:016X}/", FileUtil::GetUserPath(FileUtil::UserPath::LoadDir),
ncch_header.program_id & 0x00040000'FFFFFFFF);
GetModId(ncch_header.program_id));
const std::array<PatchLocation, 4> patch_paths{{
{mods_path + "exefs/code.ips", Patch::ApplyIpsPatch},
{mods_path + "exefs/code.bps", Patch::ApplyBpsPatch},
@ -574,7 +582,7 @@ Loader::ResultStatus NCCHContainer::LoadOverrideExeFSSection(const char* name,
const auto mods_path =
fmt::format("{}mods/{:016X}/", FileUtil::GetUserPath(FileUtil::UserPath::LoadDir),
ncch_header.program_id & 0x00040000'FFFFFFFF);
GetModId(ncch_header.program_id));
std::array<std::string, 2> override_paths{{
mods_path + "exefs/" + override_name,
filepath + ".exefsdir/" + override_name,
@ -640,7 +648,7 @@ Loader::ResultStatus NCCHContainer::ReadRomFS(std::shared_ptr<RomFSReader>& romf
const auto path =
fmt::format("{}mods/{:016X}/", FileUtil::GetUserPath(FileUtil::UserPath::LoadDir),
ncch_header.program_id & 0x00040000'FFFFFFFF);
GetModId(ncch_header.program_id));
if (use_layered_fs &&
(FileUtil::Exists(path + "romfs/") || FileUtil::Exists(path + "romfs_ext/"))) {