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#include "EnvelopeFactory.h"
#include "utils/Decompressor.h"
#include "Companion.h"
ExportResult EnvelopeHeaderExporter::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 Envelope " << symbol << ";\n";
return std::nullopt;
}
ExportResult EnvelopeCodeExporter::Export(std::ostream& write, std::shared_ptr<IParsedData> raw, std::string& entryName,
YAML::Node& node, std::string* replacement) {
return std::nullopt;
}
ExportResult EnvelopeBinaryExporter::Export(std::ostream& write, std::shared_ptr<IParsedData> raw,
std::string& entryName, YAML::Node& node, std::string* replacement) {
auto writer = LUS::BinaryWriter();
auto data = std::static_pointer_cast<EnvelopeData>(raw);
WriteHeader(writer, Torch::ResourceType::Envelope, 0);
writer.Write((uint32_t)data->points.size());
for (auto& point : data->points) {
writer.Write(point.delay);
writer.Write(point.arg);
}
writer.Finish(write);
return std::nullopt;
}
std::optional<std::shared_ptr<IParsedData>> EnvelopeFactory::parse(std::vector<uint8_t>& buffer, YAML::Node& node) {
auto offset = GetSafeNode<uint32_t>(node, "offset");
auto reader = AudioContext::MakeReader(AudioTableType::FONT_TABLE, offset);
std::vector<EnvelopePoint> temp;
while (true) {
int16_t delay = BSWAP16(reader.ReadInt16());
int16_t arg = BSWAP16(reader.ReadInt16());
temp.push_back({ delay, arg });
if (1 <= (-delay) % (1 << 16) && (-delay) % (1 << 16) <= 3) {
break;
}
}
return std::make_shared<EnvelopeData>(temp);
}
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