ExternalFile.h

#pragma once
#include <vector>
#include "Grid.h"

#define MAGIC_NUMBER_1 0x76615769 // = "iWav"
#define MAGIC_NUMBER_2 0x11111111
#define BLOCK_HEADER   0x4B4F4C42 // = "BLOK"

class ExternalFile
{
    std::wstring _filename;

public:
    ExternalFile(std::wstring filename);

    int CheckValidity() const;
    bool Read(int* startFrameOut, std::vector<Grid*>* gridsOut) const;
    bool Write(int startFrame, const std::vector<Grid*>& gridsIn) const;
};