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main: introduce RegionCoords type alias

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This commit is contained in:
Matthias Schiffer 2023-02-28 23:57:48 +01:00
parent 768ab13205
commit b68f04496c
Signed by: neocturne
GPG key ID: 16EF3F64CB201D9C
1 changed files with 20 additions and 13 deletions
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33
src/main.rs
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@ -11,6 +11,8 @@ struct Args {
input_dir: PathBuf,
}
type RegionCoords = (i32, i32);
/// Type with methods for processing the regions of a Minecraft save directory
struct RegionProcessor {
block_types: resource::BlockTypeMap,
@ -24,7 +26,7 @@ impl RegionProcessor {
}
/// Parses a filename in the format r.X.Z.mca into the contained X and Z values
fn parse_region_filename(path: &Path) -> Option<(i32, i32)> {
fn parse_region_filename(path: &Path) -> Option<RegionCoords> {
let file_name = path.file_name()?.to_str()?;
let parts: Vec<_> = file_name.split('.').collect();
let &["r", x, z, "mca"] = parts.as_slice() else {
@ -35,17 +37,19 @@ impl RegionProcessor {
}
/// Processes a single region file
fn process_region(&self, path: &Path, _x: i32, _z: i32) -> Result<()> {
minedmap::io::region::from_file(path)?.foreach_chunk(|coords, data: world::de::Chunk| {
(|| -> Result<()> {
let chunk = world::chunk::Chunk::new(&data)?;
fn process_region(&self, path: &Path, _coords: RegionCoords) -> Result<()> {
minedmap::io::region::from_file(path)?.foreach_chunk(
|chunk_coords, data: world::de::Chunk| {
(|| -> Result<()> {
let chunk = world::chunk::Chunk::new(&data)?;
let _top_layer = world::layer::top_layer(&chunk, &self.block_types)?;
let _top_layer = world::layer::top_layer(&chunk, &self.block_types)?;
Ok(())
})()
.with_context(|| format!("Failed to process chunk {:?}", coords))
})
Ok(())
})()
.with_context(|| format!("Failed to process chunk {:?}", chunk_coords))
},
)
}
/// Iterates over all region files of a Minecraft save directory
@ -62,12 +66,15 @@ impl RegionProcessor {
.unwrap_or_default()
}) {
let path = entry.path();
let Some((x, z)) = Self::parse_region_filename(&path) else {
let Some(coords) = Self::parse_region_filename(&path) else {
continue;
};
if let Err(err) = self.process_region(&path, x, z) {
eprintln!("Failed to process region r.{}.{}.mca: {}", x, z, err);
if let Err(err) = self.process_region(&path, coords) {
eprintln!(
"Failed to process region r.{}.{}.mca: {}",
coords.0, coords.1, err,
);
}
}