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scummvm-cursorfix/engines/ultima/nuvie/files/nuvie_io_file.h
2026-02-02 04:50:13 +01:00

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/* 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 NUVIE_FILES_NUVIE_IO_FILE_H
#define NUVIE_FILES_NUVIE_IO_FILE_H
#include "ultima/shared/std/string.h"
#include "ultima/nuvie/files/nuvie_io.h"
#include "common/file.h"
#include "common/memstream.h"
#include "common/savefile.h"
namespace Ultima {
namespace Nuvie {
class NuvieIOFile : public NuvieIO {
public:
NuvieIOFile() {}
~NuvieIOFile() override {}
virtual bool open(const Common::Path &filename) {
return false;
};
};
class NuvieIOFileRead : public NuvieIOFile {
private:
Common::SeekableReadStream *_file;
Common::File _srcFile;
public:
NuvieIOFileRead() : NuvieIOFile(), _file(nullptr) {}
~NuvieIOFileRead() override;
bool open(const Common::Path &filename) override;
virtual bool open(Common::InSaveFile *saveFile);
void close() override;
void seek(uint32 new_pos) override;
uint8 read1() override;
uint16 read2() override;
uint32 read4() override;
bool readToBuf(unsigned char *buf, uint32 buf_size) override;
bool isOpen() const {
return _file != nullptr;
}
};
/**
* File writing class. This can be done in one of two ways.
* If it's a simple filename, then it uses the savefile interface to
* write it as uncompresed to the save folder. However, if it has
* relative paths, such as used by the code to dump out all tiles or maps,
* it uses a Common::DumpFile instead
*/
class NuvieIOFileWrite : public NuvieIOFile {
private:
Common::SeekableWriteStream *_file;
Common::DumpFile _dumpFile;
Common::OutSaveFile *_saveFile;
Common::MemoryWriteStreamDynamic _saveFileData;
Common::String _description;
bool _isAutosave;
protected:
bool isOpen() const {
return _file != nullptr;
}
public:
NuvieIOFileWrite();
~NuvieIOFileWrite() override;
bool open(const Common::Path &filename) override;
bool open(const Common::String &filename, bool isAutosave);
void close() override;
void seek(uint32 new_pos) override;
bool write1(uint8 src) override;
bool write2(uint16 src) override;
bool write4(uint32 src) override;
void writeDesc(const Common::String &desc) {
_description = desc;
}
uint32 writeBuf(const unsigned char *src, uint32 src_size) override;
uint32 write(NuvieIO *src) override;
};
} // End of namespace Nuvie
} // End of namespace Ultima
#endif