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527 lines
19 KiB
C++
527 lines
19 KiB
C++
#include "converter.hpp"
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#include <algorithm>
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#include <stdexcept>
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#include <osgDB/WriteFile>
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#include <components/esm3/containerstate.hpp>
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#include <components/esm3/creaturestate.hpp>
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#include <components/misc/constants.hpp>
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#include "convertcntc.hpp"
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#include "convertcrec.hpp"
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#include "convertscri.hpp"
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namespace
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{
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void convertImage(char* data, int size, int width, int height, GLenum pf, const std::string& out)
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{
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osg::ref_ptr<osg::Image> image(new osg::Image);
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image->allocateImage(width, height, 1, pf, GL_UNSIGNED_BYTE);
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memcpy(image->data(), data, size);
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image->flipVertical();
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osgDB::writeImageFile(*image, out);
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}
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void convertCellRef(const ESSImport::CellRef& cellref, ESM::ObjectState& objstate)
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{
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objstate.mEnabled = cellref.mEnabled;
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objstate.mPosition = cellref.mPos;
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objstate.mRef.mRefNum = cellref.mRefNum;
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if (cellref.mDeleted)
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objstate.mCount = 0;
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convertSCRI(cellref.mActorData.mSCRI, objstate.mLocals);
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objstate.mHasLocals = !objstate.mLocals.mVariables.empty();
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if (cellref.mActorData.mHasANIS)
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convertANIS(cellref.mActorData.mANIS, objstate.mAnimationState);
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}
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bool isIndexedRefId(const std::string& indexedRefId)
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{
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if (indexedRefId.size() <= 8)
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return false;
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if (indexedRefId.find_first_not_of("0123456789") == std::string::npos)
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return false; // entirely numeric refid, this is a reference to
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// a dynamically created record e.g. player-enchanted weapon
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std::string index = indexedRefId.substr(indexedRefId.size() - 8);
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return index.find_first_not_of("0123456789ABCDEF") == std::string::npos;
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}
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void splitIndexedRefId(const std::string& indexedRefId, int& refIndex, std::string& refId)
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{
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std::stringstream stream;
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stream << std::hex << indexedRefId.substr(indexedRefId.size() - 8, 8);
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stream >> refIndex;
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refId = indexedRefId.substr(0, indexedRefId.size() - 8);
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}
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int convertActorId(const std::string& indexedRefId, ESSImport::Context& context)
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{
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if (isIndexedRefId(indexedRefId))
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{
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int refIndex = 0;
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std::string refId;
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splitIndexedRefId(indexedRefId, refIndex, refId);
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auto it = context.mActorIdMap.find(std::make_pair(refIndex, refId));
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if (it == context.mActorIdMap.end())
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return -1;
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return it->second;
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}
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else if (indexedRefId == "PlayerSaveGame")
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{
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return context.mPlayer.mObject.mCreatureStats.mActorId;
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}
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return -1;
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}
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}
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namespace ESSImport
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{
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struct MAPH
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{
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unsigned int size;
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unsigned int value;
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};
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void ConvertFMAP::read(ESM::ESMReader& esm)
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{
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MAPH maph;
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esm.getHNT(maph, "MAPH");
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std::vector<char> data;
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esm.getSubNameIs("MAPD");
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esm.getSubHeader();
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data.resize(esm.getSubSize());
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esm.getExact(data.data(), data.size());
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mGlobalMapImage = new osg::Image;
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mGlobalMapImage->allocateImage(maph.size, maph.size, 1, GL_RGB, GL_UNSIGNED_BYTE);
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memcpy(mGlobalMapImage->data(), data.data(), data.size());
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// to match openmw size
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// FIXME: filtering?
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mGlobalMapImage->scaleImage(maph.size * 2, maph.size * 2, 1, GL_UNSIGNED_BYTE);
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}
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void ConvertFMAP::write(ESM::ESMWriter& esm)
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{
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int numcells = mGlobalMapImage->s() / 18; // NB truncating, doesn't divide perfectly
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// with the 512x512 map the game has by default
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int cellSize = mGlobalMapImage->s() / numcells;
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// Note the upper left corner of the (0,0) cell should be at (width/2, height/2)
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mContext->mGlobalMapState.mBounds.mMinX = -numcells / 2;
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mContext->mGlobalMapState.mBounds.mMaxX = (numcells - 1) / 2;
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mContext->mGlobalMapState.mBounds.mMinY = -(numcells - 1) / 2;
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mContext->mGlobalMapState.mBounds.mMaxY = numcells / 2;
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osg::ref_ptr<osg::Image> image2(new osg::Image);
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int width = cellSize * numcells;
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int height = cellSize * numcells;
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std::vector<unsigned char> data;
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data.resize(width * height * 4, 0);
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image2->allocateImage(width, height, 1, GL_RGBA, GL_UNSIGNED_BYTE);
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memcpy(image2->data(), data.data(), data.size());
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for (const auto& exploredCell : mContext->mExploredCells)
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{
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if (exploredCell.first > mContext->mGlobalMapState.mBounds.mMaxX
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|| exploredCell.first < mContext->mGlobalMapState.mBounds.mMinX
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|| exploredCell.second > mContext->mGlobalMapState.mBounds.mMaxY
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|| exploredCell.second < mContext->mGlobalMapState.mBounds.mMinY)
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{
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// out of bounds, I think this could happen, since the original engine had a fixed-size map
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continue;
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}
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int imageLeftSrc = mGlobalMapImage->s() / 2;
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int imageTopSrc = mGlobalMapImage->t() / 2;
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imageLeftSrc += exploredCell.first * cellSize;
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imageTopSrc -= exploredCell.second * cellSize;
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int imageLeftDst = width / 2;
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int imageTopDst = height / 2;
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imageLeftDst += exploredCell.first * cellSize;
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imageTopDst -= exploredCell.second * cellSize;
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for (int x = 0; x < cellSize; ++x)
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for (int y = 0; y < cellSize; ++y)
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{
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unsigned int col = *(unsigned int*)mGlobalMapImage->data(imageLeftSrc + x, imageTopSrc + y, 0);
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*(unsigned int*)image2->data(imageLeftDst + x, imageTopDst + y, 0) = col;
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}
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}
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std::stringstream ostream;
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osgDB::ReaderWriter* readerwriter = osgDB::Registry::instance()->getReaderWriterForExtension("png");
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if (!readerwriter)
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{
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std::cerr << "Error: can't write global map image, no png readerwriter found" << std::endl;
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return;
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}
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image2->flipVertical();
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osgDB::ReaderWriter::WriteResult result = readerwriter->writeImage(*image2, ostream);
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if (!result.success())
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{
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std::cerr << "Error: can't write global map image: " << result.message() << " code " << result.status()
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<< std::endl;
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return;
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}
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std::string outData = ostream.str();
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mContext->mGlobalMapState.mImageData = std::vector<char>(outData.begin(), outData.end());
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esm.startRecord(ESM::REC_GMAP);
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mContext->mGlobalMapState.save(esm);
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esm.endRecord(ESM::REC_GMAP);
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}
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void ConvertCell::read(ESM::ESMReader& esm)
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{
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ESM::Cell cell;
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bool isDeleted = false;
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cell.load(esm, isDeleted, false);
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// I wonder what 0x40 does?
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if (cell.isExterior() && cell.mData.mFlags & 0x20)
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{
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mContext->mGlobalMapState.mMarkers.insert(std::make_pair(cell.mData.mX, cell.mData.mY));
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}
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// note if the player is in a nameless exterior cell, we will assign the cellId later based on player position
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if (cell.mName == mContext->mPlayerCellName)
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{
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mContext->mPlayer.mCellId = cell.getCellId();
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}
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Cell newcell;
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newcell.mCell = cell;
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// fog of war
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// seems to be a 1-bit pixel format, 16*16 pixels
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// TODO: add bleeding of FOW into neighbouring cells (openmw handles this by writing to the textures,
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// MW handles it when rendering only)
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unsigned char nam8[32];
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// exterior has 1 NAM8, interior can have multiple ones, and have an extra 4 byte flag at the start
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// (probably offset of that specific fog texture?)
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while (esm.isNextSub("NAM8"))
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{
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if (cell.isExterior()) // TODO: NAM8 occasionally exists for cells that haven't been explored.
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// are there any flags marking explored cells?
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mContext->mExploredCells.insert(std::make_pair(cell.mData.mX, cell.mData.mY));
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esm.getSubHeader();
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if (esm.getSubSize() == 36)
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{
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// flag on interiors
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esm.skip(4);
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}
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esm.getExact(nam8, 32);
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newcell.mFogOfWar.reserve(16 * 16);
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for (int x = 0; x < 16; ++x)
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{
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for (int y = 0; y < 16; ++y)
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{
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size_t pos = x * 16 + y;
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size_t bytepos = pos / 8;
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assert(bytepos < 32);
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int bit = pos % 8;
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newcell.mFogOfWar.push_back(((nam8[bytepos] >> bit) & (0x1)) ? 0xffffffff : 0x000000ff);
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}
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}
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if (cell.isExterior())
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{
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std::ostringstream filename;
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filename << "fog_" << cell.mData.mX << "_" << cell.mData.mY << ".tga";
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convertImage(
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(char*)&newcell.mFogOfWar[0], newcell.mFogOfWar.size() * 4, 16, 16, GL_RGBA, filename.str());
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}
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}
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// moved reference, not handled yet
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// NOTE: MVRF can also occur in within normal references (importcellref.cpp)?
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// this does not match the ESM file implementation,
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// verify if that can happen with ESM files too
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while (esm.isNextSub("MVRF"))
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{
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esm.skipHSub(); // skip MVRF
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esm.getSubName();
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esm.skipHSub(); // skip CNDT
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}
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std::vector<CellRef> cellrefs;
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while (esm.hasMoreSubs() && esm.peekNextSub("FRMR"))
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{
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CellRef ref;
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ref.load(esm);
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cellrefs.push_back(ref);
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}
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while (esm.isNextSub("MPCD"))
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{
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float notepos[3];
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esm.getHTSized<3 * sizeof(float)>(notepos);
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// Markers seem to be arranged in a 32*32 grid, notepos has grid-indices.
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// This seems to be the reason markers can't be placed everywhere in interior cells,
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// i.e. when the grid is exceeded.
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// Converting the interior markers correctly could be rather tricky, but is probably similar logic
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// as used for the FoW texture placement, which we need to figure out anyway
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notepos[1] += 31.f;
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notepos[0] += 0.5;
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notepos[1] += 0.5;
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notepos[0] = Constants::CellSizeInUnits * notepos[0] / 32.f;
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notepos[1] = Constants::CellSizeInUnits * notepos[1] / 32.f;
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if (cell.isExterior())
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{
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notepos[0] += Constants::CellSizeInUnits * cell.mData.mX;
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notepos[1] += Constants::CellSizeInUnits * cell.mData.mY;
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}
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// TODO: what encoding is this in?
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std::string note = esm.getHNString("MPNT");
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ESM::CustomMarker marker;
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marker.mWorldX = notepos[0];
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marker.mWorldY = notepos[1];
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marker.mNote = note;
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marker.mCell = cell.getCellId();
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mMarkers.push_back(marker);
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}
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newcell.mRefs = cellrefs;
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if (cell.isExterior())
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mExtCells[std::make_pair(cell.mData.mX, cell.mData.mY)] = newcell;
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else
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mIntCells[cell.mName] = newcell;
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}
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void ConvertCell::writeCell(const Cell& cell, ESM::ESMWriter& esm)
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{
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ESM::Cell esmcell = cell.mCell;
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esm.startRecord(ESM::REC_CSTA);
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ESM::CellState csta;
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csta.mHasFogOfWar = 0;
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csta.mLastRespawn.mDay = 0;
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csta.mLastRespawn.mHour = 0;
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csta.mId = esmcell.getCellId();
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csta.mId.save(esm);
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// TODO csta.mLastRespawn;
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// shouldn't be needed if we respawn on global schedule like in original MW
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csta.mWaterLevel = esmcell.mWater;
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csta.save(esm);
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for (const auto& cellref : cell.mRefs)
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{
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ESM::CellRef out(cellref);
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// TODO: use mContext->mCreatures/mNpcs
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if (!isIndexedRefId(cellref.mIndexedRefId))
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{
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// non-indexed RefNum, i.e. no CREC/NPCC/CNTC record associated with it
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// this could be any type of object really (even creatures/npcs too)
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out.mRefID = cellref.mIndexedRefId;
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std::string idLower = Misc::StringUtils::lowerCase(out.mRefID);
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ESM::ObjectState objstate;
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objstate.blank();
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objstate.mRef = out;
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objstate.mRef.mRefID = idLower;
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objstate.mHasCustomState = false;
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convertCellRef(cellref, objstate);
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esm.writeHNT("OBJE", 0);
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objstate.save(esm);
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continue;
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}
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else
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{
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int refIndex = 0;
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splitIndexedRefId(cellref.mIndexedRefId, refIndex, out.mRefID);
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std::string idLower = Misc::StringUtils::lowerCase(out.mRefID);
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auto npccIt = mContext->mNpcChanges.find(std::make_pair(refIndex, out.mRefID));
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if (npccIt != mContext->mNpcChanges.end())
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{
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ESM::NpcState objstate;
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objstate.blank();
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objstate.mRef = out;
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objstate.mRef.mRefID = idLower;
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// TODO: need more micromanagement here so we don't overwrite values
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// from the ESM with default values
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if (cellref.mActorData.mHasACDT)
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convertACDT(cellref.mActorData.mACDT, objstate.mCreatureStats);
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else
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objstate.mCreatureStats.mMissingACDT = true;
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if (cellref.mActorData.mHasACSC)
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convertACSC(cellref.mActorData.mACSC, objstate.mCreatureStats);
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convertNpcData(cellref.mActorData, objstate.mNpcStats);
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convertNPCC(npccIt->second, objstate);
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convertCellRef(cellref, objstate);
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objstate.mCreatureStats.mActorId = mContext->generateActorId();
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mContext->mActorIdMap.insert(
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std::make_pair(std::make_pair(refIndex, out.mRefID), objstate.mCreatureStats.mActorId));
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esm.writeHNT("OBJE", ESM::REC_NPC_);
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objstate.save(esm);
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continue;
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}
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auto cntcIt = mContext->mContainerChanges.find(std::make_pair(refIndex, out.mRefID));
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if (cntcIt != mContext->mContainerChanges.end())
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{
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ESM::ContainerState objstate;
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objstate.blank();
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objstate.mRef = out;
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objstate.mRef.mRefID = idLower;
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convertCNTC(cntcIt->second, objstate);
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convertCellRef(cellref, objstate);
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esm.writeHNT("OBJE", ESM::REC_CONT);
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objstate.save(esm);
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continue;
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}
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auto crecIt = mContext->mCreatureChanges.find(std::make_pair(refIndex, out.mRefID));
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if (crecIt != mContext->mCreatureChanges.end())
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{
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ESM::CreatureState objstate;
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objstate.blank();
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objstate.mRef = out;
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objstate.mRef.mRefID = idLower;
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// TODO: need more micromanagement here so we don't overwrite values
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// from the ESM with default values
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if (cellref.mActorData.mHasACDT)
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convertACDT(cellref.mActorData.mACDT, objstate.mCreatureStats);
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else
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objstate.mCreatureStats.mMissingACDT = true;
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if (cellref.mActorData.mHasACSC)
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convertACSC(cellref.mActorData.mACSC, objstate.mCreatureStats);
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convertCREC(crecIt->second, objstate);
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convertCellRef(cellref, objstate);
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objstate.mCreatureStats.mActorId = mContext->generateActorId();
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mContext->mActorIdMap.insert(
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std::make_pair(std::make_pair(refIndex, out.mRefID), objstate.mCreatureStats.mActorId));
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esm.writeHNT("OBJE", ESM::REC_CREA);
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objstate.save(esm);
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continue;
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}
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std::stringstream error;
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error << "Can't find type for " << cellref.mIndexedRefId << std::endl;
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throw std::runtime_error(error.str());
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}
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}
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esm.endRecord(ESM::REC_CSTA);
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}
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void ConvertCell::write(ESM::ESMWriter& esm)
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{
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for (const auto& cell : mIntCells)
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writeCell(cell.second, esm);
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for (const auto& cell : mExtCells)
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writeCell(cell.second, esm);
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for (const auto& marker : mMarkers)
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{
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esm.startRecord(ESM::REC_MARK);
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marker.save(esm);
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esm.endRecord(ESM::REC_MARK);
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}
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}
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void ConvertPROJ::read(ESM::ESMReader& esm)
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{
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mProj.load(esm);
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}
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void ConvertPROJ::write(ESM::ESMWriter& esm)
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{
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for (const PROJ::PNAM& pnam : mProj.mProjectiles)
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{
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if (!pnam.isMagic())
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{
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ESM::ProjectileState out;
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convertBaseState(out, pnam);
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out.mBowId = pnam.mBowId.toString();
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out.mVelocity = pnam.mVelocity;
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out.mAttackStrength = pnam.mAttackStrength;
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esm.startRecord(ESM::REC_PROJ);
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out.save(esm);
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esm.endRecord(ESM::REC_PROJ);
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}
|
|
else
|
|
{
|
|
ESM::MagicBoltState out;
|
|
convertBaseState(out, pnam);
|
|
|
|
auto it = std::find_if(mContext->mActiveSpells.begin(), mContext->mActiveSpells.end(),
|
|
[&pnam](const SPLM::ActiveSpell& spell) -> bool { return spell.mIndex == pnam.mSplmIndex; });
|
|
|
|
if (it == mContext->mActiveSpells.end())
|
|
{
|
|
std::cerr << "Warning: Skipped conversion for magic projectile \"" << pnam.mArrowId.toString()
|
|
<< "\" (invalid spell link)" << std::endl;
|
|
continue;
|
|
}
|
|
|
|
out.mSpellId = it->mSPDT.mId.toString();
|
|
out.mSpeed = pnam.mSpeed * 0.001f; // not sure where this factor comes from
|
|
out.mSlot = 0;
|
|
|
|
esm.startRecord(ESM::REC_MPRJ);
|
|
out.save(esm);
|
|
esm.endRecord(ESM::REC_MPRJ);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ConvertPROJ::convertBaseState(ESM::BaseProjectileState& base, const PROJ::PNAM& pnam)
|
|
{
|
|
base.mId = pnam.mArrowId.toString();
|
|
base.mPosition = pnam.mPosition;
|
|
|
|
osg::Quat orient;
|
|
orient.makeRotate(osg::Vec3f(0, 1, 0), pnam.mVelocity);
|
|
base.mOrientation = orient;
|
|
|
|
base.mActorId = convertActorId(pnam.mActorId.toString(), *mContext);
|
|
}
|
|
|
|
void ConvertSPLM::read(ESM::ESMReader& esm)
|
|
{
|
|
mSPLM.load(esm);
|
|
mContext->mActiveSpells = mSPLM.mActiveSpells;
|
|
}
|
|
|
|
void ConvertSPLM::write(ESM::ESMWriter& esm)
|
|
{
|
|
std::cerr << "Warning: Skipped active spell conversion (not implemented)" << std::endl;
|
|
}
|
|
|
|
}
|