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fd5a9be26e
Also, the caching of datafiles depends on the memory usage now, not on the number of screens that the player entered in the meantime. The old behaviour made the engine run out of memory on the PS2. svn-id: r16843
100 lines
2.4 KiB
C++
100 lines
2.4 KiB
C++
/* Copyright (C) 1994-1998 Revolution Software Ltd.
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* Copyright (C) 2003-2005 The ScummVM project
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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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*
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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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*
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*/
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#ifndef RESMAN_H
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#define RESMAN_H
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class File;
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namespace Sword2 {
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#define MAX_MEM_CACHE (8 * 1024 * 1024) // we keep up to 8 megs of resource data files in memory
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#define MAX_res_files 20
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class Sword2Engine;
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struct Resource {
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byte *ptr;
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uint32 size;
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uint32 refCount;
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Resource *next, *prev;
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};
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struct ResourceFile {
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char fileName[20];
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int32 numEntries;
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uint32 *entryTab;
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uint8 cd;
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};
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class ResourceManager {
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public:
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ResourceManager(Sword2Engine *vm); // read in the config file
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~ResourceManager(void);
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byte *openResource(uint32 res, bool dump = false);
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void closeResource(uint32 res);
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bool checkValid(uint32 res);
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uint32 fetchLen(uint32 res);
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// Prompts the user for the specified CD.
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void getCd(int cd);
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int whichCd();
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void remove(int res);
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// ----console commands
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void printConsoleClusters(void);
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void listResources(uint minCount);
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void examine(int res);
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void kill(int res);
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void killAll(bool wantInfo);
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void killAllObjects(bool wantInfo);
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void removeAll(void);
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private:
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File *openCluFile(uint16 fileNum);
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void readCluIndex(uint16 fileNum, File *file = NULL);
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void removeFromCacheList(Resource *res);
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void addToCacheList(Resource *res);
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void checkMemUsage(void);
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Sword2Engine *_vm;
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int _curCd;
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uint32 _totalResFiles;
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uint32 _totalClusters;
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// Gode generated res-id to res number/rel number conversion table
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uint16 *_resConvTable;
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ResourceFile _resFiles[MAX_res_files];
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Resource *_resList;
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Resource *_cacheStart, *_cacheEnd;
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uint32 _usedMem; // amount of used memory in bytes
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};
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} // End of namespace Sword2
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#endif
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