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#include "loadgmst.hpp"
#include <cstdint>
#include <stdexcept>
#include <string>
#include "reader.hpp"
namespace ESM4
{
namespace
{
GameSetting::Data readData(ESM::FormId formId, std::string_view editorId, Reader& reader)
{
if (editorId.empty())
{
reader.skipSubRecordData();
return std::monostate{};
}
const char type = editorId[0];
switch (type)
{
case 'b':
{
std::uint32_t value = 0;
reader.get(value);
return value != 0;
}
case 'i':
{
std::int32_t value = 0;
reader.get(value);
return value;
}
case 'f':
{
float value = 0;
reader.get(value);
return value;
}
case 's':
{
std::string value;
reader.getLocalizedString(value);
return value;
}
case 'u':
{
std::uint32_t value = 0;
reader.get(value);
return value;
}
default:
throw std::runtime_error(
"Unsupported ESM4 GMST (" + formId.toString() + ") data type: " + std::string(editorId));
}
}
}
void GameSetting::load(Reader& reader)
{
mId = reader.getFormIdFromHeader();
mFlags = reader.hdr().record.flags;
while (reader.getSubRecordHeader())
{
const ESM4::SubRecordHeader& subHdr = reader.subRecordHeader();
switch (subHdr.typeId)
{
case ESM::fourCC("EDID"):
reader.getZString(mEditorId);
break;
case ESM::fourCC("DATA"):
mData = readData(mId, mEditorId, reader);
break;
default:
throw std::runtime_error(
"Unknown ESM4 GMST (" + mId.toString() + ") subrecord " + ESM::printName(subHdr.typeId));
}
}
}
}
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