mirror of
https://github.com/libretro/scummvm.git
synced 2025-01-15 06:18:33 +00:00
122 lines
3.7 KiB
C++
122 lines
3.7 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.
|
|
*
|
|
*/
|
|
|
|
#ifndef SHERLOCK_RESOURCES_H
|
|
#define SHERLOCK_RESOURCES_H
|
|
|
|
#include "common/array.h"
|
|
#include "common/file.h"
|
|
#include "common/hashmap.h"
|
|
#include "common/hash-str.h"
|
|
#include "common/rect.h"
|
|
#include "common/str.h"
|
|
#include "common/stream.h"
|
|
#include "graphics/surface.h"
|
|
|
|
namespace Sherlock {
|
|
|
|
typedef Common::Array<byte> CacheEntry;
|
|
typedef Common::HashMap<Common::String, CacheEntry, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> CacheHash;
|
|
|
|
struct LibraryEntry {
|
|
uint32 _offset, _size;
|
|
int _index;
|
|
|
|
LibraryEntry() : _index(0), _offset(0), _size(0) {}
|
|
LibraryEntry(int index, uint32 offset, uint32 size) :
|
|
_index(index), _offset(offset), _size(size) {}
|
|
};
|
|
typedef Common::HashMap<Common::String, LibraryEntry, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> LibraryIndex;
|
|
typedef Common::HashMap<Common::String, LibraryIndex, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> LibraryIndexes;
|
|
|
|
class SherlockEngine;
|
|
|
|
class Cache {
|
|
private:
|
|
CacheHash _resources;
|
|
public:
|
|
Cache();
|
|
|
|
bool isCached(const Common::String &filename) const;
|
|
|
|
void load(const Common::String &name);
|
|
void load(const Common::String &name, Common::SeekableReadStream &stream);
|
|
|
|
Common::SeekableReadStream *get(const Common::String &filename) const;
|
|
};
|
|
|
|
class Resources {
|
|
private:
|
|
Cache _cache;
|
|
LibraryIndexes _indexes;
|
|
int _resourceIndex;
|
|
|
|
void loadLibraryIndex(const Common::String &libFilename, Common::SeekableReadStream *stream);
|
|
public:
|
|
Resources();
|
|
|
|
void addToCache(const Common::String &filename);
|
|
void addToCache(const Common::String &filename, const Common::String &libFilename);
|
|
void addToCache(const Common::String &filename, Common::SeekableReadStream &stream);
|
|
bool isInCache(const Common::String &filename) const { return _cache.isCached(filename); }
|
|
|
|
Common::SeekableReadStream *load(const Common::String &filename);
|
|
|
|
Common::SeekableReadStream *load(const Common::String &filename, const Common::String &libraryFile);
|
|
|
|
bool exists(const Common::String &filename) const;
|
|
|
|
int resourceIndex() const;
|
|
};
|
|
|
|
struct ImageFrame {
|
|
uint32 _size;
|
|
uint16 _width, _height;
|
|
int _paletteBase;
|
|
bool _rleEncoded;
|
|
Common::Point _offset;
|
|
byte _rleMarker;
|
|
Graphics::Surface _frame;
|
|
|
|
operator Graphics::Surface &() { return _frame; }
|
|
};
|
|
|
|
class ImageFile : public Common::Array<ImageFrame> {
|
|
private:
|
|
static SherlockEngine *_vm;
|
|
|
|
void load(Common::SeekableReadStream &stream, bool skipPalette, bool animImages);
|
|
void loadPalette(Common::SeekableReadStream &stream);
|
|
void decompressFrame(ImageFrame &frame, const byte *src);
|
|
public:
|
|
byte _palette[256 * 3];
|
|
public:
|
|
ImageFile(const Common::String &name, bool skipPal = false, bool animImages = false);
|
|
ImageFile(Common::SeekableReadStream &stream, bool skipPal = false);
|
|
~ImageFile();
|
|
static void setVm(SherlockEngine *vm);
|
|
};
|
|
|
|
} // End of namespace Sherlock
|
|
|
|
#endif
|