mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-29 21:24:53 +00:00
142 lines
3.9 KiB
C++
142 lines
3.9 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.
|
|
*
|
|
* $URL$
|
|
* $Id$
|
|
*
|
|
*/
|
|
|
|
#ifndef M4_RESOURCE_H
|
|
#define M4_RESOURCE_H
|
|
|
|
#include "common/scummsys.h"
|
|
#include "common/stream.h"
|
|
#include "common/endian.h"
|
|
#include "common/file.h"
|
|
#include "common/hashmap.h"
|
|
#include "common/hash-str.h"
|
|
#include "common/list.h"
|
|
#include "common/ptr.h"
|
|
|
|
/*
|
|
TODO:
|
|
- change array to HashMap if it turns out to be slow
|
|
*/
|
|
|
|
namespace M4 {
|
|
|
|
#define MAX_RESOURCES 128
|
|
#define kM4MaxFilenameSize 33
|
|
|
|
enum {
|
|
kResourcePurge = 1 << 1
|
|
};
|
|
|
|
|
|
class FileSystem {
|
|
public:
|
|
struct HashHagEntry {
|
|
char filename[kM4MaxFilenameSize];
|
|
byte fileIndex;
|
|
Common::File *hagFile;
|
|
};
|
|
|
|
struct HashFileEntry {
|
|
char filename[kM4MaxFilenameSize];
|
|
byte hagfile;
|
|
uint32 offset, size;
|
|
};
|
|
|
|
FileSystem(const char *hashFilename);
|
|
~FileSystem();
|
|
|
|
Common::SeekableReadStream *loadFile(const char *resourceName, bool preloadFlag);
|
|
static void changeExtension(char *destName, const char *sourceName, const char *extension);
|
|
const HashFileEntry *getHashFileEntry(const char *filename);
|
|
|
|
private:
|
|
typedef Common::HashMap<Common::String,HashFileEntry,Common::IgnoreCase_Hash,Common::IgnoreCase_EqualTo> FileHashMap;
|
|
|
|
HashHagEntry _hagEntries[10]; // GLOBAL.HAG and SECTION1.HAG to SECTION9.HAG
|
|
FileHashMap _fileEntries;
|
|
};
|
|
|
|
struct Resource {
|
|
char name[64];
|
|
Common::SeekableReadStream *stream;
|
|
uint8 *buffer;
|
|
uint8 flags;
|
|
};
|
|
|
|
class ResourceManager {
|
|
protected:
|
|
typedef Common::List<Common::SharedPtr<Resource> > ResourceList;
|
|
typedef ResourceList::iterator ResourceIterator;
|
|
ResourceList _resources;
|
|
M4Engine *_vm;
|
|
|
|
virtual Common::SeekableReadStream *loadResource(const char *resourceName, bool loadFlag) = 0;
|
|
public:
|
|
ResourceManager(M4Engine *vm): _vm(vm) {};
|
|
virtual ~ResourceManager();
|
|
|
|
Common::SeekableReadStream *get(const char *resourceName, bool loadFlag = true);
|
|
void toss(const char *resourceName);
|
|
void purge();
|
|
void dump();
|
|
virtual bool resourceExists(const char *resourceName) = 0;
|
|
|
|
Common::SeekableReadStream *openFile(const char *resourceName) { return get(resourceName, false); }
|
|
void changeExtension(char *destName, const char *sourceName, const char *extension) {
|
|
FileSystem::changeExtension(destName, sourceName, extension);
|
|
}
|
|
};
|
|
|
|
enum ResourceType {RESTYPE_ROOM, RESTYPE_SC, RESTYPE_TEXT, RESTYPE_QUO, RESTYPE_I,
|
|
RESTYPE_OB, RESTYPE_FONT, RESTYPE_SOUND, RESTYPE_SPEECH, RESTYPE_HAS_EXT, RESTYPE_NO_EXT};
|
|
|
|
class MADSResourceManager: public ResourceManager {
|
|
private:
|
|
ResourceType getResourceType(const char *resourceName);
|
|
const char *getResourceFilename(const char *resourceName);
|
|
protected:
|
|
Common::SeekableReadStream *loadResource(const char *resourceName, bool loadFlag);
|
|
public:
|
|
MADSResourceManager(M4Engine *vm): ResourceManager(vm) {};
|
|
bool resourceExists(const char *resourceName);
|
|
};
|
|
|
|
class M4ResourceManager: public ResourceManager {
|
|
protected:
|
|
Common::SeekableReadStream *loadResource(const char *resourceName, bool loadFlag);
|
|
public:
|
|
M4ResourceManager(M4Engine *vm);
|
|
~M4ResourceManager();
|
|
bool resourceExists(const char *resourceName);
|
|
|
|
private:
|
|
FileSystem *_hfs;
|
|
};
|
|
|
|
} // End of namespace M4
|
|
|
|
|
|
#endif
|