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openmw-tes3mp/components/esm/loadlevlist.cpp

109 lines
3.4 KiB
C++

#include "loadlevlist.hpp"
#include "esmreader.hpp"
#include "esmwriter.hpp"
#include "defs.hpp"
namespace ESM
{
void LevelledListBase::load(ESMReader &esm, bool &isDeleted)
{
isDeleted = false;
bool hasName = false;
bool hasList = false;
while (esm.hasMoreSubs())
{
esm.getSubName();
switch (esm.retSubName().val)
{
case ESM::SREC_NAME:
mId = esm.getHString();
hasName = true;
break;
case ESM::FourCC<'D','A','T','A'>::value:
esm.getHT(mFlags);
break;
case ESM::FourCC<'N','N','A','M'>::value:
esm.getHT(mChanceNone);
break;
case ESM::FourCC<'I','N','D','X'>::value:
{
int length = 0;
esm.getHT(length);
mList.resize(length);
// If this levelled list was already loaded by a previous content file,
// we overwrite the list. Merging lists should probably be left to external tools,
// with the limited amount of information there is in the records, all merging methods
// will be flawed in some way. For a proper fix the ESM format would have to be changed
// to actually track list changes instead of including the whole list for every file
// that does something with that list.
for (size_t i = 0; i < mList.size(); i++)
{
LevelItem &li = mList[i];
li.mId = esm.getHNString(mRecName);
esm.getHNT(li.mLevel, "INTV");
}
hasList = true;
break;
}
case ESM::SREC_DELE:
esm.skipHSub();
isDeleted = true;
break;
default:
{
if (!hasList)
{
// Original engine ignores rest of the record, even if there are items following
mList.clear();
esm.skipRecord();
}
else
{
esm.fail("Unknown subrecord");
}
break;
}
}
}
if (!hasName)
esm.fail("Missing NAME subrecord");
}
void LevelledListBase::save(ESMWriter &esm, bool isDeleted) const
{
esm.writeHNCString("NAME", mId);
if (isDeleted)
{
esm.writeHNCString("DELE", "");
return;
}
esm.writeHNT("DATA", mFlags);
esm.writeHNT("NNAM", mChanceNone);
esm.writeHNT<int>("INDX", mList.size());
for (std::vector<LevelItem>::const_iterator it = mList.begin(); it != mList.end(); ++it)
{
esm.writeHNCString(mRecName, it->mId);
esm.writeHNT("INTV", it->mLevel);
}
}
void LevelledListBase::blank()
{
mFlags = 0;
mChanceNone = 0;
mList.clear();
}
unsigned int CreatureLevList::sRecordId = REC_LEVC;
unsigned int ItemLevList::sRecordId = REC_LEVI;
}