isle/LEGO1/mxdsfile.h
MattKC e16249b672
Define MxLong/MxULong (#71)
* define MxLong/MxULong

The "long" type has different sizes on different platforms, and this may cause issues.

* use DWORD to match RegQueryValueExA arg
2023-07-02 01:05:49 -07:00

60 lines
1.6 KiB
C++

#ifndef MXDSFILE_H
#define MXDSFILE_H
#include "mxdssource.h"
#include "mxioinfo.h"
#include "mxstring.h"
// VTABLE 0x100dc890
class MxDSFile : public MxDSSource
{
public:
__declspec(dllexport) MxDSFile(const char *filename, MxULong skipReadingChunks);
__declspec(dllexport) virtual ~MxDSFile(); // vtable+0x0
// OFFSET: LEGO1 0x100c0120
inline virtual const char *ClassName() const override // vtable+0x0c
{
// 0x10102594
return "MxDSFile";
}
// OFFSET: LEGO1 0x100c0130
inline virtual MxBool IsA(const char *name) const override // vtable+0x10
{
return !strcmp(name, MxDSFile::ClassName()) || MxDSSource::IsA(name);
}
__declspec(dllexport) virtual MxLong Open(MxULong); // vtable+0x14
__declspec(dllexport) virtual MxLong Close(); // vtable+0x18
__declspec(dllexport) virtual MxLong Read(unsigned char *,MxULong); // vtable+0x20
__declspec(dllexport) virtual MxLong Seek(MxLong,int); // vtable+0x24
__declspec(dllexport) virtual MxULong GetBufferSize(); // vtable+0x28
__declspec(dllexport) virtual MxULong GetStreamBuffersNum(); // vtable+0x2c
private:
MxLong ReadChunks();
struct ChunkHeader {
ChunkHeader()
: majorVersion(0)
, minorVersion(0)
, bufferSize(0)
, streamBuffersNum(0)
{}
unsigned short majorVersion;
unsigned short minorVersion;
MxULong 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.
MxULong m_skipReadingChunks;
};
#endif // MXDSFILE_H