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64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "common/memstream.h"
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#include "dragons/dragonobd.h"
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#include "dragons/bigfile.h"
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namespace Dragons {
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DragonOBD::DragonOBD(BigfileArchive *bigfileArchive) {
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uint32 size;
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byte *optData = bigfileArchive->load("dragon.opt", size);
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_optReadStream = new Common::MemoryReadStream(optData, size, DisposeAfterUse::YES);
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byte *sptData = bigfileArchive->load("dragon.spt", size);
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_sptReadStream = new Common::MemoryReadStream(sptData, size, DisposeAfterUse::YES);
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_data = bigfileArchive->load("dragon.obd", _dataSize);
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}
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byte *DragonOBD::getObdAtOffset(uint32 offset) {
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assert(_data);
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assert(offset < _dataSize);
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return &_data[offset];
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}
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DragonOBD::~DragonOBD() {
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if (_data) {
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delete _data;
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}
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delete _optReadStream;
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delete _sptReadStream;
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}
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byte *DragonOBD::getFromOpt(uint32 index) {
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_optReadStream->seek(index * 8);
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return getObdAtOffset(_optReadStream->readUint32LE());
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}
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byte *DragonOBD::getFromSpt(uint32 index) {
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_sptReadStream->seek(index * 4);
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return getObdAtOffset(_sptReadStream->readUint32LE());
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}
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} // End of namespace Dragons
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