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Store source modified timestamp with processed, lightmap and map tiles

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Allows to check whether the source is newer than the last update of the
output files.
This commit is contained in:
Matthias Schiffer 2023-07-30 21:19:24 +02:00
parent e18d4cea82
commit 628a702fd7
Signed by: neocturne
GPG key ID: 16EF3F64CB201D9C
4 changed files with 75 additions and 15 deletions
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27
src/bin/minedmap/region_processor.rs
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@ -1,4 +1,4 @@
use std::path::Path;
use std::{path::Path, time::SystemTime};
use anyhow::{Context, Result};
@ -65,14 +65,25 @@ impl<'a> RegionProcessor<'a> {
})
}
fn save_region(&self, coords: TileCoords, processed_region: &ProcessedRegion) -> Result<()> {
fn save_region(
&self,
coords: TileCoords,
processed_region: &ProcessedRegion,
timestamp: SystemTime,
) -> Result<()> {
let output_path = self.config.processed_path(coords);
storage::write(&output_path, processed_region)
storage::write(&output_path, processed_region, timestamp)
}
fn save_lightmap(&self, coords: TileCoords, lightmap: &image::GrayAlphaImage) -> Result<()> {
fs::create_with_tmpfile(
fn save_lightmap(
&self,
coords: TileCoords,
lightmap: &image::GrayAlphaImage,
timestamp: SystemTime,
) -> Result<()> {
fs::create_with_timestamp(
&self.config.tile_path(TileKind::Lightmap, 0, coords),
timestamp,
|file| {
lightmap
.write_to(file, image::ImageFormat::Png)
@ -90,6 +101,8 @@ impl<'a> RegionProcessor<'a> {
let mut processed_region = ProcessedRegion::default();
let mut lightmap = image::GrayAlphaImage::new(N, N);
let timestamp = fs::modified_timestamp(path)?;
minedmap::io::region::from_file(path)?.foreach_chunk(
|chunk_coords, data: world::de::Chunk| {
let Some(layer::LayerData{ blocks, biomes, block_light, depths }) = self
@ -111,8 +124,8 @@ impl<'a> RegionProcessor<'a> {
},
)?;
self.save_region(coords, &processed_region)?;
self.save_lightmap(coords, &lightmap)?;
self.save_region(coords, &processed_region, timestamp)?;
self.save_lightmap(coords, &lightmap, timestamp)?;
Ok(())
}