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Merge pull request #1162 from ogniK5377/ttf-plu

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PL:U Added SharedFonts loading via TTF
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bunnei 2018-08-27 15:43:10 -04:00 committed by GitHub
commit 8c66a5a9a5
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1 changed files with 51 additions and 5 deletions
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56
src/core/hle/service/ns/pl_u.cpp
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@ -35,6 +35,14 @@ static constexpr std::array<std::pair<FontArchives, const char*>, 7> SHARED_FONT
std::make_pair(FontArchives::Extension, "nintendo_ext_003.bfttf"),
std::make_pair(FontArchives::Extension, "nintendo_ext2_003.bfttf")};
static constexpr std::array<const char*, 7> SHARED_FONTS_TTF{"FontStandard.ttf",
"FontChineseSimplified.ttf",
"FontExtendedChineseSimplified.ttf",
"FontChineseTraditional.ttf",
"FontKorean.ttf",
"FontNintendoExtended.ttf",
"FontNintendoExtended2.ttf"};
// The below data is specific to shared font data dumped from Switch on f/w 2.2
// Virtual address and offsets/sizes likely will vary by dump
static constexpr VAddr SHARED_FONT_MEM_VADDR{0x00000009d3016000ULL};
@ -76,6 +84,17 @@ void DecryptSharedFont(const std::vector<u32>& input, std::vector<u8>& output, s
offset += transformed_font.size() * sizeof(u32);
}
static void EncryptSharedFont(const std::vector<u8>& input, std::vector<u8>& output,
size_t& offset) {
ASSERT_MSG(offset + input.size() + 8 < SHARED_FONT_MEM_SIZE, "Shared fonts exceeds 17mb!");
const u32 KEY = EXPECTED_MAGIC ^ EXPECTED_RESULT;
std::memcpy(output.data() + offset, &EXPECTED_RESULT, sizeof(u32)); // Magic header
const u32 ENC_SIZE = static_cast<u32>(input.size()) ^ KEY;
std::memcpy(output.data() + offset + sizeof(u32), &ENC_SIZE, sizeof(u32));
std::memcpy(output.data() + offset + (sizeof(u32) * 2), input.data(), input.size());
offset += input.size() + (sizeof(u32) * 2);
}
static u32 GetU32Swapped(const u8* data) {
u32 value;
std::memcpy(&value, data, sizeof(value));
@ -109,10 +128,10 @@ PL_U::PL_U() : ServiceFramework("pl:u") {
RegisterHandlers(functions);
// Attempt to load shared font data from disk
const auto nand = FileSystem::GetSystemNANDContents();
size_t offset = 0;
// Rebuild shared fonts from data ncas
if (nand->HasEntry(static_cast<u64>(FontArchives::Standard),
FileSys::ContentRecordType::Data)) {
size_t offset = 0;
shared_font = std::make_shared<std::vector<u8>>(SHARED_FONT_MEM_SIZE);
for (auto font : SHARED_FONTS) {
const auto nca =
@ -152,18 +171,45 @@ PL_U::PL_U() : ServiceFramework("pl:u") {
DecryptSharedFont(font_data_u32, *shared_font, offset);
SHARED_FONT_REGIONS.push_back(region);
}
} else {
const std::string filepath{FileUtil::GetUserPath(FileUtil::UserPath::SysDataDir) +
SHARED_FONT};
shared_font = std::make_shared<std::vector<u8>>(
SHARED_FONT_MEM_SIZE); // Shared memory needs to always be allocated and a fixed size
const std::string user_path = FileUtil::GetUserPath(FileUtil::UserPath::SysDataDir);
const std::string filepath{user_path + SHARED_FONT};
// Create path if not already created
if (!FileUtil::CreateFullPath(filepath)) {
LOG_ERROR(Service_NS, "Failed to create sharedfonts path \"{}\"!", filepath);
return;
}
bool using_ttf = false;
for (const char* font_ttf : SHARED_FONTS_TTF) {
if (FileUtil::Exists(user_path + font_ttf)) {
using_ttf = true;
FileUtil::IOFile file(user_path + font_ttf, "rb");
if (file.IsOpen()) {
std::vector<u8> ttf_bytes(file.GetSize());
file.ReadBytes<u8>(ttf_bytes.data(), ttf_bytes.size());
FontRegion region{
static_cast<u32>(offset + 8),
static_cast<u32>(ttf_bytes.size())}; // Font offset and size do not account
// for the header
EncryptSharedFont(ttf_bytes, *shared_font, offset);
SHARED_FONT_REGIONS.push_back(region);
} else {
LOG_WARNING(Service_NS, "Unable to load font: {}", font_ttf);
}
} else if (using_ttf) {
LOG_WARNING(Service_NS, "Unable to find font: {}", font_ttf);
}
}
if (using_ttf)
return;
FileUtil::IOFile file(filepath, "rb");
shared_font = std::make_shared<std::vector<u8>>(
SHARED_FONT_MEM_SIZE); // Shared memory needs to always be allocated and a fixed size
if (file.IsOpen()) {
// Read shared font data
ASSERT(file.GetSize() == SHARED_FONT_MEM_SIZE);