mxdsfile.h

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#ifndef MXDSFILE_H
#define MXDSFILE_H
 
#include "mxdssource.h"
#include "mxio.h"
#include "mxstring.h"
#include "mxtypes.h"
 
#include <windows.h>
 
class MxDSFile : public MxDSSource {
public:
    MxDSFile(const char* p_filename, MxULong p_skipReadingChunks);
 
#ifdef ISLE_APP
    ~MxDSFile() override { Close(); }
#else
    __declspec(dllexport) ~MxDSFile() override { Close(); }
#endif
 
    const char* ClassName() const override // vtable+0x0c
    {
        // STRING: LEGO1 0x10102594
        return "MxDSFile";
    }
 
    MxBool IsA(const char* p_name) const override // vtable+0x10
    {
        return !strcmp(p_name, MxDSFile::ClassName()) || MxDSSource::IsA(p_name);
    }
 
    MxResult Open(MxULong) override;                 // vtable+0x14
    
    MxResult Close() override;                       // vtable+0x18
 
    MxResult Read(unsigned char*, MxULong) override; // vtable+0x20
 
    MxResult Seek(MxLong, MxS32) override;           // vtable+0x24
 
    MxULong GetBufferSize() override;                // vtable+0x28
 
    MxULong GetStreamBuffersNum() override;          // vtable+0x2c
 
    void SetFileName(const char* p_filename) { m_filename = p_filename; }
 
    MxS32 CalcFileSize() { return GetFileSize(m_io.m_info.hmmio, NULL); }
 
    // SIZE 0x0c
    struct ChunkHeader {
        ChunkHeader() : m_majorVersion(0), m_minorVersion(0), m_bufferSize(0), m_streamBuffersNum(0) {}
 
        MxS16 m_majorVersion;     
        MxS16 m_minorVersion;     
        MxULong m_bufferSize;     
        MxS16 m_streamBuffersNum; 
        MxS16 m_reserved;         
    };
 
private:
    MxResult ReadChunks();
 
    MxString m_filename;  
    MXIOINFO m_io;        
    ChunkHeader m_header; 
 
    MxULong m_skipReadingChunks; // 0x78
};
 
#endif // MXDSFILE_H