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/* 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 TOLTECS_RESOURCE_H
#define TOLTECS_RESOURCE_H
#include "common/scummsys.h"
#include "common/endian.h"
#include "common/util.h"
#include "common/file.h"
#include "common/savefile.h"
#include "common/system.h"
#include "common/hash-str.h"
#include "common/events.h"
#include "common/keyboard.h"
#include "common/array.h"
#include "sound/audiostream.h"
#include "sound/mixer.h"
#include "sound/voc.h"
#include "sound/audiocd.h"
#include "engines/engine.h"
namespace Toltecs {
/*
TODO:
ArchiveReader:
- Add support for external resources; and check if they're used
*/
const uint kMaxCacheItems = 1024;
const uint kMaxCacheSize = 8 * 1024 * 1024; // 8 MB
class ArchiveReader : public Common::File {
public:
ArchiveReader();
~ArchiveReader();
void openArchive(const char *filename);
// Returns the size of the opened resource
uint32 openResource(uint resIndex);
// Closes the resource
void closeResource();
// Returns the size of the resource
uint32 getResourceSize(uint resIndex);
void dump(uint resIndex, const char *prefix = NULL);
protected:
uint32 _offsets[10000];
};
class ResourceCache {
public:
ResourceCache(ToltecsEngine *vm);
~ResourceCache();
byte *load(uint resIndex);
uint32 getCurItemSize() const { return _curItemSize; }
protected:
struct CacheItem {
uint resIndex;
//int value; // what is this?
int32 offset; // offset into _base
uint32 size; // size of the item
};
ToltecsEngine *_vm;
byte *_base;
uint32 _bytesUsed;
uint32 _curItemOffset, _curItemSize;
CacheItem _cache[kMaxCacheItems];
uint _cacheCount;
bool existsItem(uint resIndex);
byte *addItem(uint resIndex, uint32 size);
void checkCapacity(uint32 size);
};
} // End of namespace Toltecs
#endif /* TOLTECS_H */
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