scummvm/engines/startrek/resource.h
2020-11-17 18:07:24 +02:00

97 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 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.
*
*/
#ifndef RESOURCE_H
#define RESOURCE_H
#include "common/memstream.h"
#include "common/platform.h"
#include "common/str.h"
#include "common/stream.h"
#include "startrek/iwfile.h"
namespace Common {
class MacResManager;
}
namespace StarTrek {
struct ResourceIndex {
uint32 indexOffset;
bool foundData;
uint16 fileCount;
uint16 uncompressedSize; // used in the demo
Common::String fileName;
ResourceIndex() {
indexOffset = 0;
foundData = 0;
fileCount = 0;
uncompressedSize = 0;
fileName = "";
}
};
class Resource {
public:
Resource(Common::Platform platform, bool isDemo);
virtual ~Resource();
Common::List<ResourceIndex> searchIndex(Common::String filename);
Common::MemoryReadStreamEndian *loadFile(Common::String filename, int fileIndex = 0, bool errorOnNotFound = true);
Common::MemoryReadStreamEndian *loadBitmapFile(Common::String baseName);
/**
* TODO: Figure out what the extra parameters are, and if they're important.
*/
Common::MemoryReadStreamEndian *loadFileWithParams(Common::String filename, bool unk1, bool unk2, bool unk3);
/**
* ".txt" files are just lists of strings. This traverses the file to get a particular
* string index.
*/
Common::String getLoadedText(int textIndex);
void setTxtFileName(Common::String txtFileName) {
_txtFilename = txtFileName;
}
private:
void readIndexFile();
ResourceIndex getIndex(Common::String filename);
ResourceIndex getIndexEntry(Common::SeekableReadStream *indexFile);
Common::MemoryReadStreamEndian *loadSequentialFile(Common::String filename, int fileIndex = 0);
uint32 getSequentialFileOffset(uint32 offset, int fileIndex);
//IWFile *_iwFile;
Common::MacResManager *_macResFork;
Common::Platform _platform;
bool _isDemo;
Common::String _txtFilename;
Common::List<ResourceIndex> _resources;
};
} // End of namespace StarTrek
#endif