mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-29 13:16:18 +00:00
145 lines
3.2 KiB
C++
145 lines
3.2 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.
|
|
*
|
|
* Additional copyright for this file:
|
|
* Copyright (C) 1994-1998 Revolution Software Ltd.
|
|
*
|
|
* 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 SWORD2_RESMAN_H
|
|
#define SWORD2_RESMAN_H
|
|
|
|
namespace Common {
|
|
class File;
|
|
}
|
|
|
|
#define MAX_MEM_CACHE (8 * 1024 * 1024) // we keep up to 8 megs of resource data files in memory
|
|
#define MAX_res_files 20
|
|
|
|
namespace Sword2 {
|
|
|
|
class Sword2Engine;
|
|
|
|
struct Resource {
|
|
byte *ptr;
|
|
uint32 size;
|
|
uint32 refCount;
|
|
Resource *next, *prev;
|
|
};
|
|
|
|
struct ResourceFile {
|
|
char fileName[20];
|
|
int32 numEntries;
|
|
uint32 *entryTab;
|
|
uint8 cd;
|
|
};
|
|
|
|
class ResourceManager {
|
|
private:
|
|
Common::File *openCluFile(uint16 fileNum);
|
|
void readCluIndex(uint16 fileNum, Common::File *file);
|
|
void removeFromCacheList(Resource *res);
|
|
void addToCacheList(Resource *res);
|
|
void checkMemUsage();
|
|
|
|
Sword2Engine *_vm;
|
|
|
|
int _curCD;
|
|
uint32 _totalResFiles;
|
|
uint32 _totalClusters;
|
|
|
|
// Gode generated res-id to res number/rel number conversion table
|
|
|
|
uint16 *_resConvTable;
|
|
ResourceFile _resFiles[MAX_res_files];
|
|
Resource *_resList;
|
|
|
|
Resource *_cacheStart, *_cacheEnd;
|
|
uint32 _usedMem; // amount of used memory in bytes
|
|
|
|
public:
|
|
ResourceManager(Sword2Engine *vm); // read in the config file
|
|
~ResourceManager();
|
|
|
|
bool init();
|
|
|
|
uint32 getNumResFiles() { return _totalResFiles; }
|
|
uint32 getNumClusters() { return _totalClusters; }
|
|
ResourceFile *getResFiles() { return _resFiles; }
|
|
Resource *getResList() { return _resList; }
|
|
|
|
byte *openResource(uint32 res, bool dump = false);
|
|
void closeResource(uint32 res);
|
|
|
|
bool checkValid(uint32 res);
|
|
uint32 fetchLen(uint32 res);
|
|
uint8 fetchType(byte *ptr);
|
|
uint8 fetchType(uint32 res) {
|
|
byte *ptr = openResource(res);
|
|
uint8 type = fetchType(ptr);
|
|
closeResource(res);
|
|
|
|
return type;
|
|
}
|
|
|
|
byte *fetchName(uint32 res, byte *buf = NULL) {
|
|
static byte tempbuf[NAME_LEN];
|
|
|
|
if (!buf)
|
|
buf = tempbuf;
|
|
|
|
byte *ptr = openResource(res);
|
|
memcpy(buf, ptr + 10, NAME_LEN);
|
|
closeResource(res);
|
|
|
|
return buf;
|
|
}
|
|
|
|
byte *fetchName(byte *ptr) {
|
|
return ptr + 10;
|
|
}
|
|
|
|
// Prompts the user for the specified CD.
|
|
void askForCD(int cd);
|
|
|
|
void setCD(int cd) {
|
|
if (cd)
|
|
_curCD = cd;
|
|
}
|
|
|
|
int getCD() {
|
|
return _curCD;
|
|
}
|
|
|
|
void remove(int res);
|
|
void removeAll();
|
|
|
|
// ----console commands
|
|
|
|
void killAll(bool wantInfo);
|
|
void killAllObjects(bool wantInfo);
|
|
};
|
|
|
|
} // End of namespace Sword2
|
|
|
|
#endif
|