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https://github.com/OpenMW/openmw.git
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204 lines
7.7 KiB
C++
204 lines
7.7 KiB
C++
/*
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Copyright (C) 2015-2016, 2018-2021 cc9cii
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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cc9cii cc9c@iinet.net.au
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Much of the information on the data structures are based on the information
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from Tes4Mod:Mod_File_Format and Tes5Mod:File_Formats but also refined by
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trial & error. See http://en.uesp.net/wiki for details.
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*/
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#include "loadwrld.hpp"
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#include <stdexcept>
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//#include <iostream> // FIXME: debug only
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#include "reader.hpp"
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//#include "writer.hpp"
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void ESM4::World::load(ESM4::Reader& reader)
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{
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mFormId = reader.hdr().record.id;
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reader.adjustFormId(mFormId);
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mFlags = reader.hdr().record.flags;
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// It should be possible to save the current world formId automatically while reading in
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// the record header rather than doing it manually here but possibly less efficient (may
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// need to check each record?).
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//
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// Alternatively it may be possible to figure it out by examining the group headers, but
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// apparently the label field is not reliable so the parent world formid may have been
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// corrupted by the use of ignore flag (TODO: should check to verify).
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reader.setCurrWorld(mFormId); // save for CELL later
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std::uint32_t subSize = 0; // for XXXX sub record
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std::uint32_t esmVer = reader.esmVersion();
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// bool isTES4 = (esmVer == ESM::VER_080 || esmVer == ESM::VER_100);
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// bool isFONV = (esmVer == ESM::VER_132 || esmVer == ESM::VER_133 || esmVer == ESM::VER_134);
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bool isTES5 = (esmVer == ESM::VER_094 || esmVer == ESM::VER_170); // WARN: FO3 is also VER_094
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bool usingDefaultLevels = true;
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while (reader.getSubRecordHeader())
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{
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const ESM4::SubRecordHeader& subHdr = reader.subRecordHeader();
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switch (subHdr.typeId)
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{
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case ESM4::SUB_EDID:
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reader.getZString(mEditorId);
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break;
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case ESM4::SUB_FULL:
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reader.getLocalizedString(mFullName);
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break;
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case ESM4::SUB_WCTR:
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reader.get(mCenterCell);
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break; // Center cell, TES5 only
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case ESM4::SUB_WNAM:
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reader.getFormId(mParent);
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break;
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case ESM4::SUB_SNAM:
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reader.get(mSound);
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break; // sound, Oblivion only?
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case ESM4::SUB_ICON:
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reader.getZString(mMapFile);
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break; // map filename, Oblivion only?
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case ESM4::SUB_CNAM:
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reader.get(mClimate);
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break;
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case ESM4::SUB_NAM2:
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reader.getFormId(mWater);
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break;
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case ESM4::SUB_NAM0:
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{
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reader.get(mMinX);
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reader.get(mMinY);
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break;
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}
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case ESM4::SUB_NAM9:
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{
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reader.get(mMaxX);
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reader.get(mMaxY);
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break;
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}
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case ESM4::SUB_DATA:
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reader.get(mWorldFlags);
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break;
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case ESM4::SUB_MNAM:
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{
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reader.get(mMap.width);
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reader.get(mMap.height);
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reader.get(mMap.NWcellX);
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reader.get(mMap.NWcellY);
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reader.get(mMap.SEcellX);
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reader.get(mMap.SEcellY);
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if (subHdr.dataSize == 28) // Skyrim?
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{
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reader.get(mMap.minHeight);
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reader.get(mMap.maxHeight);
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reader.get(mMap.initialPitch);
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}
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break;
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}
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case ESM4::SUB_DNAM: // defaults
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{
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reader.get(mLandLevel); // -2700.f for TES5
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reader.get(mWaterLevel); // -14000.f for TES5
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usingDefaultLevels = false;
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break;
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}
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// Only a few worlds in FO3 have music (I'm guessing 00090908 "explore" is the default?)
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// 00090906 public WRLD: 00000A74 MegatonWorld
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// 00090CE7 base WRLD: 0001A25D DCWorld18 (Arlington National Cemeteray)
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// 00090CE7 base WRLD: 0001A266 DCWorld09 (The Mall)
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// 00090CE7 base WRLD: 0001A267 DCWorld08 (Pennsylvania Avenue)
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// 000BAD30 tranquilitylane WRLD: 000244A7 TranquilityLane
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// 00090CE7 base WRLD: 000271C0 MonumentWorld (The Washington Monument)
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// 00090907 dungeon WRLD: 0004C4D1 MamaDolcesWorld (Mama Dolce's Loading Yard)
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//
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// FONV has only 3 (note the different format, also can't find the files?):
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// 00119D2E freeside\freeside_01.mp3 0010BEEA FreesideWorld (Freeside)
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// 00119D2E freeside\freeside_01.mp3 0012D94D FreesideNorthWorld (Freeside)
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// 00119D2E freeside\freeside_01.mp3 0012D94E FreesideFortWorld (Old Mormon Fort)
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// NOTE: FONV DefaultObjectManager has 00090908 "explore" as the default music
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case ESM4::SUB_ZNAM:
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reader.getFormId(mMusic);
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break;
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case ESM4::SUB_PNAM:
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reader.get(mParentUseFlags);
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break;
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case ESM4::SUB_RNAM: // multiple
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case ESM4::SUB_MHDT:
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case ESM4::SUB_LTMP:
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case ESM4::SUB_XEZN:
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case ESM4::SUB_XLCN:
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case ESM4::SUB_NAM3:
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case ESM4::SUB_NAM4:
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case ESM4::SUB_MODL:
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case ESM4::SUB_NAMA:
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case ESM4::SUB_ONAM:
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case ESM4::SUB_TNAM:
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case ESM4::SUB_UNAM:
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case ESM4::SUB_XWEM:
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case ESM4::SUB_MODT: // from Dragonborn onwards?
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case ESM4::SUB_INAM: // FO3
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case ESM4::SUB_NNAM: // FO3
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case ESM4::SUB_XNAM: // FO3
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case ESM4::SUB_IMPS: // FO3 Anchorage
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case ESM4::SUB_IMPF: // FO3 Anchorage
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{
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// std::cout << "WRLD " << ESM::printName(subHdr.typeId) << " skipping..." << std::endl;
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reader.skipSubRecordData(); // FIXME: process the subrecord rather than skip
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break;
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}
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case ESM4::SUB_OFST:
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{
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if (subSize)
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{
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reader.skipSubRecordData(subSize); // special post XXXX
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reader.updateRecordRead(subSize); // WARNING: manually update
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subSize = 0;
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}
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else
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reader.skipSubRecordData(); // FIXME: process the subrecord rather than skip
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break;
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}
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case ESM4::SUB_XXXX:
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{
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reader.get(subSize);
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break;
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}
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default:
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throw std::runtime_error("ESM4::WRLD::load - Unknown subrecord " + ESM::printName(subHdr.typeId));
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}
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if (isTES5 && usingDefaultLevels)
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{
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mLandLevel = -2700.f;
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mWaterLevel = -14000.f;
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}
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}
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}
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// void ESM4::World::save(ESM4::Writer& writer) const
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//{
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// }
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