code: function SolFile(data, path) {
      this.data = data;
      this.path = path;
  
      // levels/towndata/town.sol -> town
      this.name = pathLib.basename(path, '.sol');
  }
docs: SOL files contain meta information about pillars, such as
  collision and transparency properties.
  
  The usage of some of the bits are currently unknown.