isle-portable/LEGO1/mxdsfile.h
itsmattkc e7b5ea53df rename GetClassName/IsClass, declare mxtypes
Was intended as a simple code improvement, however it also seems to make WinMain, MxString::operator=, MxDSFile::Open 100% (all of which just needed registers to be switched around)
2023-06-27 19:04:07 -07:00

47 lines
1.2 KiB
C++

#ifndef MXDSFILE_H
#define MXDSFILE_H
#include "mxcore.h"
#include "mxstring.h"
#include "mxioinfo.h"
#include "mxdssource.h"
class MxDSFile : public MxDSSource
{
public:
__declspec(dllexport) MxDSFile(const char *filename, unsigned long skipReadingChunks);
__declspec(dllexport) virtual ~MxDSFile();
__declspec(dllexport) virtual long Open(unsigned long);
__declspec(dllexport) virtual long Close();
__declspec(dllexport) virtual long Read(unsigned char *,unsigned long);
__declspec(dllexport) virtual long Seek(long,int);
__declspec(dllexport) virtual unsigned long GetBufferSize();
__declspec(dllexport) virtual unsigned long GetStreamBuffersNum();
private:
long ReadChunks();
struct ChunkHeader {
ChunkHeader()
: majorVersion(0)
, minorVersion(0)
, bufferSize(0)
, streamBuffersNum(0)
{}
unsigned short majorVersion;
unsigned short minorVersion;
unsigned long bufferSize;
short streamBuffersNum;
short reserved;
};
MxString m_filename;
MXIOINFO m_io;
ChunkHeader m_header;
// If false, read chunks immediately on open, otherwise
// skip reading chunks until ReadChunks is explicitly called.
unsigned long m_skipReadingChunks;
};
#endif // MXDSFILE_H