scummvm/queen/resource.h
Chris Apers 6e1200dc67 Added PalmOS support
svn-id: r13336
2004-03-17 14:10:51 +00:00

135 lines
3.4 KiB
C++

/* ScummVM - Scumm Interpreter
* Copyright (C) 2003-2004 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#ifndef QUEENRESOURCE_H
#define QUEENRESOURCE_H
#include "common/file.h"
#include "common/util.h"
#include "queen/defs.h"
namespace Queen {
enum Version {
VER_ENG_FLOPPY = 0,
VER_ENG_TALKIE = 1,
VER_FRE_FLOPPY = 2,
VER_FRE_TALKIE = 3,
VER_GER_FLOPPY = 4,
VER_GER_TALKIE = 5,
VER_ITA_FLOPPY = 6,
VER_ITA_TALKIE = 7,
// VER_SPA_FLOPPY
VER_SPA_TALKIE = 8,
// VER_HEB_FLOPPY
VER_HEB_TALKIE = 9,
VER_DEMO_PCGAMES = 10,
VER_DEMO = 11,
VER_INTERVIEW = 12,
VER_COUNT = 13
};
enum { CURRENT_TBL_VERSION = 1 };
struct ResourceEntry {
char filename[13];
uint8 bundle;
uint32 offset;
uint32 size;
};
struct GameVersion {
char versionString[6];
uint32 tableOffset;
uint32 dataFileSize;
};
class LineReader {
public:
LineReader(char *buffer, uint32 bufsize);
~LineReader();
char *nextLine();
private:
char *_buffer;
uint32 _bufSize;
int _current;
};
class Resource {
public:
Resource(const Common::String &datafilePath);
~Resource(void);
uint8 *loadFile(const char *filename, uint32 skipBytes = 0, byte *dstBuf = NULL);
uint8 *loadFileMalloc(const char *filename, uint32 skipBytes = 0, byte *dstBuf = NULL);
bool fileExists(const char *filename) const { return resourceEntry(filename) != NULL; }
uint32 fileSize(const char *filename) const { return resourceEntry(filename)->size; }
File *giveCompressedSound(const char *filename);
bool isDemo() const { return !strcmp(_versionString, "PE100"); }
bool isInterview() const { return !strcmp(_versionString, "PEint"); }
bool isFloppy() const { return _versionString[0] == 'P'; }
bool isCD() const { return _versionString[0] == 'C'; }
uint8 compression() const { return _compression; }
const char *JASVersion() const { return _versionString; }
Language getLanguage() const;
enum {
JAS_VERSION_OFFSET_DEMO = 0x119A8,
JAS_VERSION_OFFSET_INTV = 0xCF8,
JAS_VERSION_OFFSET = 0x12484
};
protected:
File *_resourceFile;
uint8 _compression;
const Common::String _datafilePath;
char _versionString[6];
const char *_savePath;
uint32 _resourceEntries;
ResourceEntry *_resourceTable;
bool findNormalVersion();
bool findCompressedVersion();
void checkJASVersion();
int32 resourceIndex(const char *filename) const;
ResourceEntry *resourceEntry(const char *filename) const;
bool readTableFile(const GameVersion *gameVersion);
void readTableCompResource();
void readTableEntries(File *file);
const GameVersion *detectGameVersion(uint32 size) const;
static const char *_tableFilename;
static const GameVersion _gameVersions[];
#ifndef __PALM_OS__
static ResourceEntry _resourceTablePEM10[];
#endif
};
} // End of namespace Queen
#endif