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@ -3,22 +3,8 @@
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namespace MWWorld {
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void Store<ESM::Cell>::load(ESM::ESMReader &esm, const std::string &id)
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void Store<ESM::Cell>::handleMovedCellRefs(ESM::ESMReader& esm, ESM::Cell* cell)
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{
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// Don't automatically assume that a new cell must be spawned. Multiple plugins write to the same cell,
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// and we merge all this data into one Cell object. However, we can't simply search for the cell id,
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// as many exterior cells do not have a name. Instead, we need to search by (x,y) coordinates - and they
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// are not available until both cells have been loaded! So first, proceed as usual.
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// All cells have a name record, even nameless exterior cells.
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std::string idLower = Misc::StringUtils::lowerCase(id);
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ESM::Cell *cell = new ESM::Cell;
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cell->mName = id;
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//First part of cell loading
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cell->preLoad(esm);
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//Handling MovedCellRefs, there is no way to do it inside loadcell
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while (esm.isNextSub("MVRF")) {
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ESM::CellRef ref;
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@ -43,35 +29,58 @@ void Store<ESM::Cell>::load(ESM::ESMReader &esm, const std::string &id)
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else
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*iter = ref;
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}
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}
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void Store<ESM::Cell>::load(ESM::ESMReader &esm, const std::string &id)
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{
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// Don't automatically assume that a new cell must be spawned. Multiple plugins write to the same cell,
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// and we merge all this data into one Cell object. However, we can't simply search for the cell id,
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// as many exterior cells do not have a name. Instead, we need to search by (x,y) coordinates - and they
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// are not available until both cells have been loaded at least partially!
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// All cells have a name record, even nameless exterior cells.
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std::string idLower = Misc::StringUtils::lowerCase(id);
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ESM::Cell cell;
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cell.mName = id;
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//Second part of cell loading
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cell->postLoad(esm);
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// Load the (x,y) coordinates of the cell, if it is an exterior cell,
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// so we can find the cell we need to merge with
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cell.loadData(esm);
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if(cell->mData.mFlags & ESM::Cell::Interior)
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if(cell.mData.mFlags & ESM::Cell::Interior)
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{
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// Store interior cell by name, try to merge with existing parent data.
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ESM::Cell *oldcell = const_cast<ESM::Cell*>(search(idLower));
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if (oldcell) {
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// push the new references on the list of references to manage
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oldcell->mContextList.push_back(cell->mContextList.at(0));
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// copy list into new cell
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cell->mContextList = oldcell->mContextList;
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// have new cell replace old cell
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ESM::Cell::merge(oldcell, cell);
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// merge new cell into old cell
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// push the new references on the list of references to manage (saveContext = true)
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oldcell->mData = cell.mData;
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oldcell->loadCell(esm, true);
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} else
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mInt[idLower] = *cell;
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{
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// spawn a new cell
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cell.loadCell(esm, true);
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mInt[idLower] = cell;
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}
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}
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else
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{
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// Store exterior cells by grid position, try to merge with existing parent data.
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ESM::Cell *oldcell = const_cast<ESM::Cell*>(search(cell->getGridX(), cell->getGridY()));
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ESM::Cell *oldcell = const_cast<ESM::Cell*>(search(cell.getGridX(), cell.getGridY()));
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if (oldcell) {
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// merge new cell into old cell
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oldcell->mData = cell.mData;
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oldcell->loadCell(esm, false);
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// handle moved ref (MVRF) subrecords
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handleMovedCellRefs (esm, &cell);
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// push the new references on the list of references to manage
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oldcell->mContextList.push_back(cell->mContextList.at(0));
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// copy list into new cell
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cell->mContextList = oldcell->mContextList;
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oldcell->postLoad(esm);
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// merge lists of leased references, use newer data in case of conflict
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for (ESM::MovedCellRefTracker::const_iterator it = cell->mMovedRefs.begin(); it != cell->mMovedRefs.end(); ++it) {
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for (ESM::MovedCellRefTracker::const_iterator it = cell.mMovedRefs.begin(); it != cell.mMovedRefs.end(); ++it) {
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// remove reference from current leased ref tracker and add it to new cell
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ESM::MovedCellRefTracker::iterator itold = std::find(oldcell->mMovedRefs.begin(), oldcell->mMovedRefs.end(), it->mRefNum);
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if (itold != oldcell->mMovedRefs.end()) {
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@ -82,13 +91,24 @@ void Store<ESM::Cell>::load(ESM::ESMReader &esm, const std::string &id)
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*itold = *it;
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}
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}
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cell->mMovedRefs = oldcell->mMovedRefs;
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// have new cell replace old cell
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ESM::Cell::merge(oldcell, cell);
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// We don't need to merge mLeasedRefs of cell / oldcell. This list is filled when another cell moves a
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// reference to this cell, so the list for the new cell should be empty. The list for oldcell,
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// however, could have leased refs in it and so should be kept.
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} else
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mExt[std::make_pair(cell->mData.mX, cell->mData.mY)] = *cell;
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{
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// spawn a new cell
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cell.loadCell(esm, false);
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// handle moved ref (MVRF) subrecords
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handleMovedCellRefs (esm, &cell);
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// push the new references on the list of references to manage
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cell.postLoad(esm);
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mExt[std::make_pair(cell.mData.mX, cell.mData.mY)] = cell;
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}
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}
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delete cell;
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}
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}
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Marc Zinnschlag
11 years ago