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Invalid file error fixed for FBX SDK #3

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Invalid file error fixed for FBX SDK #3

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27 changes: 27 additions & 0 deletions fbx.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -829,6 +829,33 @@ namespace Fbx

}

// Valid only for when CreationTime is 1970-01-01 10:00:00:000
std::array<uint8_t, 16> footId{
0xFA, 0xBC, 0xAB, 0x09, 0xD0, 0xC8, 0xD4, 0x66,
0xB1, 0x76, 0xFB, 0x83, 0x1C, 0xF7, 0x26, 0x7E
};
data.insert(data.end(), footId.begin(), footId.end());
data.insert(data.end(), 4, 0);

// Padding for alignment (values between 1 & 16 observed)
// If already aligned to 16, add a full 16 bytes padding
size_t pad = ((data.size() + 15) & ~15) - data.size();
if (pad == 0)
{
pad = 16;
}
data.insert(data.end(), pad, 0);

data.insert(data.end(), pVersion, pVersion + 4);
data.insert(data.end(), 120, 0);

// Unknown magic (always the same)
std::array<uint8_t, 16> unknownMagic{
0xF8, 0x5A, 0x8C, 0x6A, 0xDE, 0xF5, 0xD9, 0x7E,
0xEC, 0xE9, 0x0C, 0xE3, 0x75, 0x8F, 0x29, 0x0B
};
data.insert(data.end(), unknownMagic.begin(), unknownMagic.end());

file.write(reinterpret_cast<const char*>(&data[0]), data.size());
}

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9 changes: 9 additions & 0 deletions fbx.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -30,11 +30,20 @@
#include <list>
#include <map>
#include <vector>
#include <array>
#include <functional>

namespace Fbx
{

// FileId record and CreationTime records are connected somehow
// Since we don't know how to compute them, we use this constants
const std::array<uint8_t, 16> FILE_ID_VALUE{
0x28, 0xB3, 0x2A, 0xEB, 0xB6, 0x24, 0xCC, 0xC2,
0xBF, 0xC8, 0xB0, 0x2A, 0xA9, 0x2B, 0xFC, 0xF1
};
const std::string CREATION_TIME_VALUE = "1970-01-01 10:00:00:000";

class Property
{

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