mirror of
https://github.com/scummvm/scummvm.git
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124 lines
3.1 KiB
C++
124 lines
3.1 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 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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* 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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*
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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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "engines/stark/formats/biff.h"
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#include "engines/stark/services/archiveloader.h"
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namespace Stark {
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namespace Formats {
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BiffArchive::BiffArchive(ArchiveReadStream *stream, ObjectBuilder objectBuilder) :
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_objectBuilder(objectBuilder) {
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read(stream);
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}
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BiffArchive::~BiffArchive() {
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for (uint i = 0; i < _rootObjects.size(); i++) {
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delete _rootObjects[i];
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}
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}
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void BiffArchive::read(ArchiveReadStream *stream) {
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uint32 id = stream->readUint32BE();
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if (id != MKTAG('B', 'I', 'F', 'F')) {
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error("Wrong magic while reading biff archive");
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}
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_version = stream->readUint32LE();
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/*uint32 u1 = */stream->readUint32LE();
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/*uint32 u2 = */stream->readUint32LE();
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uint32 len = stream->readUint32LE();
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for (uint32 i = 0; i < len; i++) {
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BiffObject *object = readObject(stream, nullptr);
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_rootObjects.push_back(object);
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}
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}
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BiffObject *BiffArchive::readObject(ArchiveReadStream *stream, BiffObject *parent) {
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uint32 marker = stream->readUint32LE();
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if (marker != 0xf0f0f0f0) {
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error("Wrong magic while reading biff archive");
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}
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uint32 type = stream->readUint32LE();
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BiffObject *object = _objectBuilder(type);
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if (!object) {
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error("Unimplemented BIFF object type %x", type);
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}
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object->_parent = parent;
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object->_u3 = stream->readUint32LE();
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uint32 size = stream->readUint32LE();
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if (_version >= 2) {
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object->_version = stream->readUint32LE();
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}
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object->readData(stream, size);
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marker = stream->readUint32LE();
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if (marker != 0x0f0f0f0f) {
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error("Wrong magic while reading biff archive");
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}
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uint32 len = stream->readUint32LE();
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for (uint32 i = 0; i < len; ++i) {
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BiffObject *child = readObject(stream, object);
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object->addChild(child);
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}
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return object;
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}
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Common::Array<BiffObject *> BiffArchive::listObjects() {
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return _rootObjects;
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}
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BiffObject::BiffObject() :
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_u3(0),
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_version(0),
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_parent(nullptr),
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_type(0) {
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}
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uint32 BiffObject::getType() const {
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return _type;
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}
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void BiffObject::addChild(BiffObject *child) {
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_children.push_back(child);
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}
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BiffObject::~BiffObject() {
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// Delete the children objects
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Common::Array<BiffObject *>::iterator i = _children.begin();
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while (i != _children.end()) {
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delete *i;
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i++;
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}
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}
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} // End of namespace Formats
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} // End of namespace Stark
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