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Merge branch 'fix_lazy_load_skyrim' into 'master'

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Fix lazy load skyrim

See merge request
This commit is contained in:
psi29a 2023-03-30 21:42:55 +00:00
commit 0c074990ce
3 changed files with 41 additions and 25 deletions
apps/openmw/mwworld
cellstore.cpp
components/esm4
reader.cppreader.hpp

62
apps/openmw/mwworld/cellstore.cpp
View file

@ -6,6 +6,7 @@
#include <components/debug/debuglog.hpp>
#include <components/esm/format.hpp>
#include <components/esm3/cellid.hpp>
#include <components/esm3/cellref.hpp>
#include <components/esm3/cellstate.hpp>
@ -764,35 +765,48 @@ namespace MWWorld
static void visitCell4References(const ESM4::Cell& cell, ESM::ReadersCache& readers, ReferenceInvocable&& invocable)
{
auto stream = Files::openBinaryInputFileStream(cell.mReaderContext.filename);
stream->seekg(0);
ESM4::Reader readerESM4(
std::move(stream), cell.mReaderContext.filename, MWBase::Environment::get().getResourceSystem()->getVFS());
readerESM4.setEncoder(readers.getStatelessEncoder());
readerESM4.restoreContext(cell.mReaderContext);
bool continueRead = true;
while (ESM::RefId::formIdRefId(readerESM4.getContext().currCell) == cell.mId && readerESM4.hasMoreRecs()
&& continueRead)
bool contextValid = cell.mReaderContext.filePos != std::streampos(-1);
if (contextValid)
readerESM4.restoreContext(cell.mReaderContext);
while (
(ESM::RefId::formIdRefId(readerESM4.currCell()) == cell.mId || !contextValid) && readerESM4.hasMoreRecs())
{
continueRead = ESM4::ReaderUtils::readItem(
readerESM4,
[&](ESM4::Reader& reader) {
auto recordType = static_cast<ESM4::RecordTypes>(reader.hdr().record.typeId);
ESM::RecNameInts esm4RecName = static_cast<ESM::RecNameInts>(ESM::esm4Recname(recordType));
if (esm4RecName == ESM::RecNameInts::REC_REFR4)
{
ESM4::Reference ref;
ref.load(reader);
invocable(ref);
return true;
}
else if (esm4RecName == ESM::RecNameInts::REC_CELL4)
{
ESM4::Cell cellToLoad;
cellToLoad.load(reader); // This is necessary to exit
}
return false;
},
[&](ESM4::Reader& reader) {});
if (!contextValid)
readerESM4.exitGroupCheck();
auto onRecord = [&](ESM4::Reader& reader) {
auto recordType = static_cast<ESM4::RecordTypes>(reader.hdr().record.typeId);
ESM::RecNameInts esm4RecName = static_cast<ESM::RecNameInts>(ESM::esm4Recname(recordType));
if (esm4RecName == ESM::RecNameInts::REC_REFR4 && contextValid)
{
reader.getRecordData();
ESM4::Reference ref;
ref.load(reader);
invocable(ref);
return true;
}
else if (esm4RecName == ESM::RecNameInts::REC_CELL4)
{
reader.getRecordData();
ESM4::Cell cellToLoad;
cellToLoad.load(reader); // This is necessary to exit or to find the correct cell
if (cellToLoad.mId == cell.mId)
contextValid = true;
return true;
}
return false;
};
if (!ESM4::ReaderUtils::readItem(readerESM4, onRecord, [&](ESM4::Reader& reader) {}))
break;
}
}

2
components/esm4/reader.cpp
View file

@ -134,6 +134,8 @@ namespace ESM4
ReaderContext Reader::getContext()
{
mCtx.filePos = mStream->tellg();
if (mCtx.filePos == std::streampos(-1))
return mCtx;
mCtx.filePos -= mCtx.recHeaderSize; // update file position
return mCtx;
}

2
components/esm4/reader.hpp
View file

@ -62,7 +62,7 @@ namespace ESM4
// case the file was re-opened. default = TES5 size,
// can be reduced for TES4 by setRecHeaderSize()
std::size_t filePos; // assume that the record header will be re-read once
std::streampos filePos; // assume that the record header will be re-read once
// the context is restored
// for keeping track of things