struct PartInfo<'a> {
checksum: &'a str,
category: PartCategory,
models: &'a [&'a [&'a str]],
env_colors: (),
tiles: &'a [&'a [&'a [i32]]],
unknown4: [f64; 4],
}
enum PartCategory {
Special = 0,
Road = 1,
RoadTurns = 2,
RoadWide = 3,
Plane = 4,
Block = 5,
WallTrack = 6,
Pillar = 7,
Sign = 8,
}