2021-12-26 18:48:43 +01:00

114 lines
2.7 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef TITANIC_FILES_MANAGER_H
#define TITANIC_FILES_MANAGER_H
#include "common/hashmap.h"
#include "titanic/core/list.h"
#include "titanic/support/screen_manager.h"
namespace Titanic {
enum ResourceFlag { FLAG_COMPRESSED = 1 };
class TitanicEngine;
class CGameManager;
class CFilesManagerList : public List<ListItem> {
};
class CFilesManager {
struct ResourceEntry {
uint _offset;
uint _size;
uint _flags;
ResourceEntry() : _offset(0), _size(0), _flags(0) {}
ResourceEntry(uint offset, uint size, uint flags) :
_offset(offset), _size(size), _flags(flags) {}
};
typedef Common::HashMap<Common::String, ResourceEntry> ResourceHash;
private:
TitanicEngine *_vm;
CGameManager *_gameManager;
Common::File _datFile;
ResourceHash _resources;
CFilesManagerList _list;
int _drive;
const CString _assetsPath;
int _version;
public:
CFilesManager(TitanicEngine *vm);
~CFilesManager();
/**
* Opens up the titanic.dat support file and loads it's index
*/
bool loadResourceIndex();
/**
* Sets the game manager
*/
void setGameManager(CGameManager *gameManager) {
_gameManager = gameManager;
}
/**
* Returns true if a file of the given name exists
*/
static bool fileExists(const CString &name);
/**
* Scans for a file with a matching name
*/
bool scanForFile(const CString &name);
/**
* Handles displaying a load drive view if necessary
*/
void loadDrive();
/**
* Shows a dialog for inserting a new CD
*/
void insertCD(CScreenManager *screenManager);
/**
* Resets the view being displayed
*/
void resetView();
/**
* Preloads and caches a file for access shortly
*/
void preload(const CString &name);
/**
* Get a resource from the executable
*/
Common::SeekableReadStream *getResource(const CString &str);
};
} // End of namespace Titanic
#endif /* TITANIC_FILES_MANAGER_H */