tmx_zstd_decompression.cpp

bool LoadBase64ZstdLayerData(const std::string &decodedStr, const size_t &expectedSize, buffers::TreeNode *resNode,
                           const int& tileWidth, const int& tileHeight, const int& layerWidth, const int& layerHeight) {

    std::vector<unsigned char> outTileData;
    outTileData.resize(expectedSize);

    // decompress zstd compressed data
    size_t const outSize = ZSTD_decompress(outTileData.data(), outTileData.size(),
                                         decodedStr.data(), decodedStr.size());
    if(ZSTD_isError(outSize)) {
      errStream << "Error loading tile layer data, zstd compressed stream corrupted." << std::endl;
      return false;
    }
    // code truncated ...
    return true;
}