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#include "SampleFactory.h"
#include "AudioConverter.h"
#include "Companion.h"
#include <tinyxml2.h>
#include "LoopFactory.h"
#include "BookFactory.h"
#include <factories/sf64/audio/AudioDecompressor.h>
#include <factories/naudio/v0/AIFCDecode.h>
ExportResult NSampleHeaderExporter::Export(std::ostream& write, std::shared_ptr<IParsedData> raw,
std::string& entryName, YAML::Node& node, std::string* replacement) {
const auto symbol = GetSafeNode(node, "symbol", entryName);
if (Companion::Instance->IsOTRMode()) {
write << "static const ALIGN_ASSET(2) char " << symbol << "[] = \"__OTR__" << (*replacement) << "\";\n\n";
return std::nullopt;
}
write << "extern Sample " << symbol << ";\n";
return std::nullopt;
}
ExportResult NSampleCodeExporter::Export(std::ostream& write, std::shared_ptr<IParsedData> raw, std::string& entryName,
YAML::Node& node, std::string* replacement) {
return std::nullopt;
}
ExportResult NSampleBinaryExporter::Export(std::ostream& write, std::shared_ptr<IParsedData> raw,
std::string& entryName, YAML::Node& node, std::string* replacement) {
// parse() returns nullopt for duplicates, so Export() is only reached for
// canonical samples — no redirect check needed here.
auto data = std::static_pointer_cast<NSampleData>(raw);
auto writer = LUS::BinaryWriter();
WriteHeader(writer, Torch::ResourceType::Sample, 1);
writer.Write((uint8_t)data->codec);
writer.Write((uint8_t)data->medium);
writer.Write((uint8_t)data->unk);
writer.Write((uint32_t)data->size);
writer.Write(AudioContext::GetPathByAddr(data->loop));
writer.Write(AudioContext::GetPathByAddr(data->book));
auto table = AudioContext::tables[AudioTableType::SAMPLE_TABLE];
writer.Write((char*)table.buffer.data() + table.info->entries[data->sampleBankId].addr + data->sampleAddr,
data->size);
writer.Finish(write);
return std::nullopt;
}
ExportResult NSampleModdingExporter::Export(std::ostream& write, std::shared_ptr<IParsedData> raw,
std::string& entryName, YAML::Node& node, std::string* replacement) {
// Skip unnamed auto-generated samples — only explicitly declared (aliased) samples
// are useful for modding replacement.
if (GetSafeNode<bool>(node, "autogen", false)) {
return std::nullopt;
}
auto aiff = LUS::BinaryWriter();
auto data = std::static_pointer_cast<NSampleData>(raw);
#ifdef SF64_SUPPORT
if (AudioContext::driver == NAudioDrivers::SF64 && data->codec == 2) {
*replacement += ".pcm";
auto table = AudioContext::tables[AudioTableType::SAMPLE_TABLE];
auto ptr = table.buffer.data() + table.info->entries[data->sampleBankId].addr + data->sampleAddr;
auto vec = std::vector<uint8_t>(ptr, ptr + data->size);
auto output = new int16_t[data->size * 2];
SF64::DecompressAudio(vec, output);
auto writer = LUS::BinaryWriter();
writer.Write((char*)output, data->size);
writer.Finish(write);
} else {
#endif
*replacement += ".aiff";
auto aifc = LUS::BinaryWriter();
AudioConverter::SampleV1ToAIFC(data.get(), aifc);
auto cnv = aifc.ToVector();
if (!cnv.empty()) {
write_aiff(cnv, aiff);
aiff.Finish(write);
}
#ifdef SF64_SUPPORT
}
#endif
return std::nullopt;
}
ExportResult NSampleXMLExporter::Export(std::ostream& write, std::shared_ptr<IParsedData> raw, std::string& entryName,
YAML::Node& node, std::string* replacement) {
auto entry = std::static_pointer_cast<NSampleData>(raw);
auto path = fs::path(*replacement);
tinyxml2::XMLDocument sample;
tinyxml2::XMLElement* root = sample.NewElement("Sample");
root->SetAttribute("Version", 0);
root->SetAttribute("Codec", AudioContext::GetCodecStr(entry->codec));
root->SetAttribute("Medium", AudioContext::GetMediumStr(entry->medium));
root->SetAttribute("bit26", entry->unk);
root->SetAttribute("Tuning", entry->tuning);
root->SetAttribute("Size", entry->size);
root->SetAttribute("Relocated", 0);
root->SetAttribute("Path", (path.string() + "_data").c_str());
if (entry->loop != 0) {
auto loop =
std::static_pointer_cast<ADPCMLoopData>(Companion::Instance->GetParseDataByAddr(entry->loop)->data.value());
tinyxml2::XMLElement* adpcmLoop = sample.NewElement("ADPCMLoop");
adpcmLoop->SetAttribute("Start", loop->start);
adpcmLoop->SetAttribute("End", loop->end);
adpcmLoop->SetAttribute("Count", loop->count);
if (loop->count != 0) {
for (auto& state : loop->predictorState) {
tinyxml2::XMLElement* loopEntry = adpcmLoop->InsertNewChildElement("Predictor");
loopEntry->SetAttribute("State", state);
adpcmLoop->InsertEndChild(loopEntry);
}
}
root->InsertEndChild(adpcmLoop);
}
if (entry->book != 0) {
auto book =
std::static_pointer_cast<ADPCMBookData>(Companion::Instance->GetParseDataByAddr(entry->book)->data.value());
tinyxml2::XMLElement* adpcmBook = sample.NewElement("ADPCMBook");
adpcmBook->SetAttribute("Order", book->order);
adpcmBook->SetAttribute("Npredictors", book->numPredictors);
for (auto& page : book->book) {
tinyxml2::XMLElement* bookEntry = adpcmBook->InsertNewChildElement("Book");
bookEntry->SetAttribute("Page", page);
adpcmBook->InsertEndChild(bookEntry);
}
root->InsertEndChild(adpcmBook);
}
sample.InsertEndChild(root);
tinyxml2::XMLPrinter printer;
sample.Accept(&printer);
write.write(printer.CStr(), printer.CStrSize() - 1);
auto table = AudioContext::tables[AudioTableType::SAMPLE_TABLE];
auto sampleData = table.buffer.data() + table.info->entries[entry->sampleBankId].addr + entry->sampleAddr;
std::vector<char> data(sampleData, sampleData + entry->size);
Companion::Instance->RegisterCompanionFile(path.filename().string() + "_data", data);
return std::nullopt;
}
std::optional<std::shared_ptr<IParsedData>> NSampleFactory::parse(std::vector<uint8_t>& buffer, YAML::Node& node) {
auto offset = GetSafeNode<uint32_t>(node, "offset");
auto parent = GetSafeNode<uint32_t>(node, "parent");
auto tuning = GetSafeNode<float>(node, "tuning", 0.0f);
auto sampleRate = GetSafeNode<uint32_t>(node, "sampleRate", 0);
auto sampleBankId = GetSafeNode<uint32_t>(node, "sampleBankId");
auto table = AudioContext::tables[AudioTableType::FONT_TABLE].entries[parent];
auto reader = AudioContext::MakeReader(AudioTableType::FONT_TABLE, offset);
auto sample = std::make_shared<NSampleData>();
uint32_t flags = reader.ReadUInt32();
uint32_t addr = reader.ReadUInt32();
sample->codec = (flags >> 28) & 0x0F;
sample->medium = (flags >> 24) & 0x03;
sample->unk = (flags >> 22) & 0x01;
sample->size = flags;
auto loopAddr = reader.ReadUInt32();
auto bookAddr = reader.ReadUInt32();
if (loopAddr != 0) {
loopAddr += table.addr;
YAML::Node loop;
loop["type"] = "NAUDIO:V1:ADPCM_LOOP";
loop["offset"] = loopAddr;
Companion::Instance->AddAsset(loop);
}
if (bookAddr != 0) {
bookAddr += table.addr;
YAML::Node book;
book["type"] = "NAUDIO:V1:ADPCM_BOOK";
book["offset"] = bookAddr;
Companion::Instance->AddAsset(book);
}
sample->loop = loopAddr;
sample->book = bookAddr;
sample->sampleAddr = addr;
sample->tuning = tuning;
sample->sampleBankId = sampleBankId;
sample->sampleRate = sampleRate;
// Build dedup maps at parse time so GetPathByAddr() has full information
// before any instrument/drum export runs.
if (addr != 0) {
// Explicit YAML entries (autogen == false) are always canonical — they were
// pre-registered in sampleDedup by AudioTableFactory before the cascade.
// Only auto-generated entries should be suppressed as duplicates.
bool isAutogen = GetSafeNode<bool>(node, "autogen", false);
uint64_t key = ((uint64_t)sampleBankId << 32) | (uint64_t)addr;
auto it = AudioContext::sampleDedup.find(key);
if (it == AudioContext::sampleDedup.end()) {
// First time we see this audio data: this struct is the canonical.
auto pathDec = Companion::Instance->GetNodeByAddr(offset);
if (pathDec.has_value()) {
AudioContext::sampleDedup[key] = std::get<0>(pathDec.value());
}
} else if (isAutogen) {
// Auto-generated duplicate: redirect to canonical, suppress export.
AudioContext::sampleAddrRemap[offset] = it->second;
return std::nullopt;
}
// Explicit entries fall through — always exported with their declared name.
}
return sample;
}
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