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105 lines
3.2 KiB
C++
105 lines
3.2 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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/*
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* This file is based on WME Lite.
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* http://dead-code.org/redir.php?target=wmelite
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* Copyright (c) 2011 Jan Nedoma
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*/
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#include "engines/wintermute/dcgf.h"
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#include "engines/wintermute/Base/BPackage.h"
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#include "engines/wintermute/Base/BGame.h"
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#include "engines/wintermute/Base/BFileManager.h"
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#include "common/file.h"
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#include "common/stream.h"
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namespace WinterMute {
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////
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CBPackage::CBPackage(CBGame *inGame): CBBase(inGame) {
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_file = NULL;
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_name = NULL;
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_cD = 0;
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_priority = 0;
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_boundToExe = false;
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}
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//////////////////////////////////////////////////////////////////////////
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CBPackage::~CBPackage() {
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if (_name) delete [] _name;
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closeFilePointer(_file);
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}
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//////////////////////////////////////////////////////////////////////////
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HRESULT CBPackage::open() {
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if (_file) return S_OK;
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else {
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_file = getFilePointer();
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return _file ? S_OK : E_FAIL;
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}
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}
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//////////////////////////////////////////////////////////////////////////
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HRESULT CBPackage::close() {
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delete _file;
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_file = NULL;
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return S_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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HRESULT CBPackage::read(Common::SeekableReadStream *file, uint32 offset, byte *buffer, uint32 size) {
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HRESULT ret;
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if (FAILED(ret = open())) return ret;
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else {
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if (file->seek(offset, SEEK_SET)) return E_FAIL;
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if (file->read(buffer, size) != 1) return E_FAIL;
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else return S_OK;
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}
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}
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//////////////////////////////////////////////////////////////////////////
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Common::SeekableReadStream *CBPackage::getFilePointer() {
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Common::File *file = Game->_fileManager->openPackage(_name);
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if (!file) {
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Game->_fileManager->requestCD(_cD, _name, "");
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file = Game->_fileManager->openPackage(_name);
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}
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return file;
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}
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//////////////////////////////////////////////////////////////////////////
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void CBPackage::closeFilePointer(Common::SeekableReadStream *&file) {
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delete file;
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file = NULL;
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}
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} // end of namespace WinterMute
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