scummvm/engines/gob/resources.h
2009-07-17 00:55:56 +00:00

208 lines
4.2 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifndef GOB_RESOURCES_H
#define GOB_RESOURCES_H
#include "common/str.h"
namespace Common {
class MemoryReadStream;
}
namespace Gob {
class GobEngine;
class Resource {
public:
Resource(byte *data, int32 size, bool needFree = true,
int16 width = 0, int16 height = 0);
~Resource();
byte *getData () const;
int32 getSize () const;
int16 getWidth () const;
int16 getHeight() const;
Common::MemoryReadStream *stream() const;
private:
byte *_data;
int32 _size;
int16 _width;
int16 _height;
bool _needFree;
Common::MemoryReadStream *_stream;
};
class TextItem {
public:
TextItem(byte *data, int32 size);
~TextItem();
byte *getData() const;
int32 getSize() const;
Common::MemoryReadStream *stream() const;
private:
byte *_data;
int32 _size;
Common::MemoryReadStream *_stream;
};
class Resources {
public:
Resources(GobEngine *vm);
~Resources();
bool load(const Common::String &fileName);
void unload(bool del = true);
bool isLoaded() const;
Resource *getResource(uint16 id, int16 *width = 0, int16 *height = 0) const;
TextItem *getTextItem(uint16 id) const;
byte *getTexts() const;
private:
// Structure sizes in the files
static const int kTOTResItemSize = 4 + 2 + 2 + 2;
static const int kTOTResTableSize = 2 + 1;
static const int kEXTResItemSize = 4 + 2 + 2 + 2;
static const int kEXTResTableSize = 2 + 1;
static const int kTOTTextTableSize = 2;
static const int kTOTTextItemSize = 2 + 2;
enum ResourceType {
kResourceTOT,
kResourceIM,
kResourceEXT,
kResourceEX
};
struct TOTResourceItem {
ResourceType type;
uint16 size;
int16 width;
int16 height;
union {
int32 offset;
int32 index;
};
};
struct TOTResourceTable {
int16 itemsCount;
byte unknown;
TOTResourceItem *items;
uint32 dataOffset;
TOTResourceTable();
~TOTResourceTable();
};
struct EXTResourceItem {
ResourceType type;
int32 offset;
uint16 size;
int16 width;
int16 height;
bool packed;
};
struct EXTResourceTable {
int16 itemsCount;
byte unknown;
EXTResourceItem *items;
EXTResourceTable();
~EXTResourceTable();
};
struct TOTTextItem {
uint16 offset;
int16 size;
};
struct TOTTextTable {
bool needFree;
int16 itemsCount;
byte *data;
int32 size;
TOTTextItem *items;
TOTTextTable();
~TOTTextTable();
};
GobEngine *_vm;
Common::String _totFile;
Common::String _extFile;
Common::String _exFile;
byte *_totData;
uint32 _totSize;
byte *_imData;
uint32 _imSize;
bool _hasLOM;
int32 _totResStart;
TOTResourceTable *_totResourceTable;
EXTResourceTable *_extResourceTable;
TOTTextTable *_totTextTable;
bool loadTOTResourceTable();
bool loadEXTResourceTable();
bool loadTOTTextTable(const Common::String &fileBase);
bool loadIMFile();
bool loadEXFile();
byte *loadTOTLocTexts(const Common::String &fileBase, int32 &size);
bool getLocTextFile(char *locTextFile, int language);
Common::String getLocTextFile(const Common::String &fileBase, int language);
Resource *getTOTResource(uint16 id) const;
Resource *getEXTResource(uint16 id) const;
byte *getTOTData(TOTResourceItem &totItem) const;
byte *getIMData(TOTResourceItem &totItem) const;
byte *getEXTData(EXTResourceItem &extItem, uint32 size) const;
byte *getEXData(EXTResourceItem &extItem, uint32 size) const;
};
} // End of namespace Gob
#endif // GOB_RESOURCES_H