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