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113 lines
4.3 KiB
C++
113 lines
4.3 KiB
C++
/*
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Copyright (C) 2015-2016, 2018, 2020-2021 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 "loadtes4.hpp"
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#include <stdexcept>
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#include "common.hpp"
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#include "reader.hpp"
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//#include "writer.hpp"
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void ESM4::Header::load(ESM4::Reader& reader)
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{
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mFlags = reader.hdr().record.flags; // 0x01 = Rec_ESM, 0x80 = Rec_Localized
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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_HEDR:
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{
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if (!reader.getExact(mData.version) || !reader.getExact(mData.records)
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|| !reader.getExact(mData.nextObjectId))
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throw std::runtime_error("TES4 HEDR data read error");
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if ((size_t)subHdr.dataSize
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!= sizeof(mData.version) + sizeof(mData.records) + sizeof(mData.nextObjectId))
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throw std::runtime_error("TES4 HEDR data size mismatch");
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break;
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}
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case ESM4::SUB_CNAM:
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reader.getZString(mAuthor);
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break;
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case ESM4::SUB_SNAM:
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reader.getZString(mDesc);
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break;
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case ESM4::SUB_MAST: // multiple
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{
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ESM::MasterData m;
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if (!reader.getZString(m.name))
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throw std::runtime_error("TES4 MAST data read error");
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// NOTE: some mods do not have DATA following MAST so can't read DATA here
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m.size = 0;
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mMaster.push_back(m);
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break;
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}
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case ESM4::SUB_DATA:
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{
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if (mMaster.empty())
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throw std::runtime_error(
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"Failed to read TES4 DATA subrecord: there is no preceding MAST subrecord");
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// WARNING: assumes DATA always follows MAST
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if (!reader.getExact(mMaster.back().size))
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throw std::runtime_error("TES4 DATA data read error");
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break;
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}
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case ESM4::SUB_ONAM:
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{
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mOverrides.resize(subHdr.dataSize / sizeof(ESM::FormId32));
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for (ESM::FormId& mOverride : mOverrides)
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{
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uint32_t v;
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if (!reader.getExact(v))
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throw std::runtime_error("TES4 ONAM data read error");
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mOverride = ESM::FormId::fromUint32(v);
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#if 0
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std::string padding;
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padding.insert(0, reader.stackSize()*2, ' ');
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std::cout << padding << "ESM4::Header::ONAM overrides: " << formIdToString(mOverride) << std::endl;
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#endif
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}
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break;
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}
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case ESM4::SUB_INTV:
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case ESM4::SUB_INCC:
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case ESM4::SUB_OFST: // Oblivion only?
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case ESM4::SUB_DELE: // Oblivion only?
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case ESM4::SUB_TNAM: // Fallout 4 (CK only)
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reader.skipSubRecordData();
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break;
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default:
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throw std::runtime_error("ESM4::Header::load - Unknown subrecord " + ESM::printName(subHdr.typeId));
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}
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}
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}
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// void ESM4::Header::save(ESM4::Writer& writer)
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//{
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// }
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