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lib: implement FLC de-chunking

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This commit is contained in:
itsmattkc 2022-07-11 14:20:56 -07:00
parent b817fb34ae
commit 172aef0c9d
1 changed files with 18 additions and 0 deletions
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18
lib/object.cpp
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@ -152,6 +152,24 @@ bytearray Object::ToPackedData(MxOb::FileType filetype, const ChunkedData &chunk
*(uint32_t*)(data.data()+10) = chunks.at(0).size() + 14;
break;
}
case MxOb::FLC:
{
// First chunk is a complete FLIC header, so add it as-is
data.append(chunks[0]);
// Subsequent chunks are FLIC frames with an additional 20 byte header that needs to be stripped
const int CUSTOM_HEADER_SZ = 20;
for (size_t i=1; i<chunks.size(); i++) {
data.append(chunks.at(i).data() + CUSTOM_HEADER_SZ, chunks.at(i).size() - CUSTOM_HEADER_SZ);
}
break;
}
default:
std::cout << "Didn't know how to extract type '" << std::string((const char *)&filetype, sizeof(filetype)) << "', merging..." << std::endl;
for (size_t i=0; i<chunks.size(); i++) {
data.append(chunks[i]);
}
break;
}
return data;