mirror of https://github.com/libAthena/athena.git
89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
#if !defined(ATHENA_NO_SAVES) && !defined(ATHENA_NO_ZQUEST)
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// This file is part of libAthena.
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//
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// libAthena is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// libAthena is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with libAthena. If not, see <http://www.gnu.org/licenses/>
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#include "Athena/SkywardSwordFileReader.hpp"
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#include "Athena/SkywardSwordFile.hpp"
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#include "Athena/SkywardSwordQuest.hpp"
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#include "Athena/InvalidOperationException.hpp"
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#include "Athena/InvalidDataException.hpp"
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#include <iostream>
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namespace Athena
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{
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namespace io
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{
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SkywardSwordFileReader::SkywardSwordFileReader(atUint8* data, atUint64 length)
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: base(data, length)
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{
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base::setEndian(Endian::BigEndian);
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}
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SkywardSwordFileReader::SkywardSwordFileReader(const std::string& filename)
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: base(filename)
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{
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base::setEndian(Endian::BigEndian);
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}
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SkywardSwordFile* SkywardSwordFileReader::read()
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{
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SkywardSwordFile* file = NULL;
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try
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{
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if (base::length() != 0xFBE0)
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THROW_INVALID_DATA_EXCEPTION_RETURN(nullptr, "File not the expected size of 0xFBE0");
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atUint32 magic = base::readUint32();
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if (magic != SkywardSwordFile::USMagic && magic != SkywardSwordFile::JAMagic && magic != SkywardSwordFile::EUMagic)
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THROW_INVALID_DATA_EXCEPTION_RETURN(nullptr, "Not a valid Skyward Sword save file");
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base::seek(0x01C, SeekOrigin::Begin);
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atUint32 headerSize = base::readUint32(); // Seems to be (headerSize - 1)
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if (headerSize != 0x1D)
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THROW_INVALID_DATA_EXCEPTION_RETURN(nullptr, "Invalid header size, Corrupted data?");
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// Time to read in each slot
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file = new SkywardSwordFile;
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file->setRegion((magic == SkywardSwordFile::USMagic ? Region::NTSC : (magic == SkywardSwordFile::JAMagic ? Region::NTSCJ : Region::PAL)));
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for (int i = 0; i < 3; i++)
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{
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SkywardSwordQuest* q = new SkywardSwordQuest((atUint8*)base::readBytes(0x53C0), 0x53C0);
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atUint64 pos = base::position();
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// seek to the skip data for this particular quest
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base::seek(0xFB60 + (i * 0x24), SeekOrigin::Begin);
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q->setSkipData(base::readUBytes(0x24));
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base::seek(pos, SeekOrigin::Begin);
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file->addQuest(q);
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}
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}
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catch (...)
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{
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delete file;
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file = NULL;
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throw;
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}
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return file;
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}
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} // io
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} // zelda
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#endif // ATHENA_NO_SAVES
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