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103 lines
3.0 KiB
C++
103 lines
3.0 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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/*
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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 "dcgf.h"
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#include "BPackage.h"
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#include "BGame.h"
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#include "BFileManager.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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m_File = NULL;
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m_Name = NULL;
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m_CD = 0;
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m_Priority = 0;
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m_BoundToExe = false;
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}
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//////////////////////////////////////////////////////////////////////////
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CBPackage::~CBPackage() {
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if (m_Name) delete [] m_Name;
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CloseFilePointer(m_File);
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}
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//////////////////////////////////////////////////////////////////////////
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HRESULT CBPackage::Open() {
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if (m_File) return S_OK;
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else {
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m_File = GetFilePointer();
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return m_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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if (m_File) fclose(m_File);
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m_File = NULL;
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return S_OK;
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}
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//////////////////////////////////////////////////////////////////////////
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HRESULT CBPackage::Read(FILE *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 (fseek(file, offset, SEEK_SET)) return E_FAIL;
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if (fread(buffer, size, 1, file) != 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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FILE *CBPackage::GetFilePointer() {
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FILE *file = Game->m_FileManager->OpenPackage(m_Name);
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if (!file) {
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Game->m_FileManager->RequestCD(m_CD, m_Name, "");
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file = Game->m_FileManager->OpenPackage(m_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(FILE*& file) {
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if (file) fclose(file);
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file = NULL;
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}
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} // end of namespace WinterMute
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