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world/layer: return None from top_layer() for empty chunks

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Allow ignoring these chunks for the light map as well.
This commit is contained in:
Matthias Schiffer 2023-03-04 20:33:10 +01:00
parent 202364bfca
commit 4fd316f3fc
Signed by: neocturne
GPG key ID: 16EF3F64CB201D9C
3 changed files with 24 additions and 5 deletions
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12
src/main.rs
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@ -98,7 +98,10 @@ impl<'a> RegionProcessor<'a> {
}
/// Processes a single chunk
fn process_chunk(&self, data: world::de::Chunk) -> Result<Box<world::layer::BlockInfoArray>> {
fn process_chunk(
&self,
data: world::de::Chunk,
) -> Result<Option<Box<world::layer::BlockInfoArray>>> {
let chunk = world::chunk::Chunk::new(&data, &self.block_types)?;
world::layer::top_layer(&chunk)
}
@ -127,9 +130,12 @@ impl<'a> RegionProcessor<'a> {
minedmap::io::region::from_file(path)?.foreach_chunk(
|chunk_coords, data: world::de::Chunk| {
let processed_chunk = self
let Some(processed_chunk) = self
.process_chunk(data)
.with_context(|| format!("Failed to process chunk {:?}", chunk_coords))?;
.with_context(|| format!("Failed to process chunk {:?}", chunk_coords))?
else {
return Ok(());
};
processed_region[chunk_coords] = Some(processed_chunk);
Ok(())
},