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minedmap/tile_renderer: load 3x3 neighbourhoods of regions

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Prepare for biome smoothing by always loading neighbouring regions.
This commit is contained in:
Matthias Schiffer 2023-08-03 18:01:29 +02:00
parent a30266f67f
commit 35bbd167ba
Signed by: neocturne
GPG key ID: 16EF3F64CB201D9C
1 changed files with 11 additions and 4 deletions
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15
src/bin/minedmap/tile_renderer.rs
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@ -26,6 +26,12 @@ impl<'a> TileRenderer<'a> {
storage::read(processed_path).context("Failed to load processed region data")
}
fn load_region_group(
processed_paths: RegionGroup<PathBuf>,
) -> Result<RegionGroup<ProcessedRegion>> {
processed_paths.try_map(|path| Self::load_region(&path))
}
fn render_chunk(image: &mut image::RgbaImage, coords: ChunkCoords, chunk: &ProcessedChunk) {
const N: u32 = BLOCKS_PER_CHUNK as u32;
@ -50,8 +56,8 @@ impl<'a> TileRenderer<'a> {
overlay_chunk(image, &chunk_image, coords);
}
fn render_region(image: &mut image::RgbaImage, region: &ProcessedRegion) {
for (coords, chunk) in region.iter() {
fn render_region(image: &mut image::RgbaImage, region_group: &RegionGroup<ProcessedRegion>) {
for (coords, chunk) in region_group.center().iter() {
let Some(chunk) = chunk else {
continue;
};
@ -112,9 +118,10 @@ impl<'a> TileRenderer<'a> {
.display(),
);
let region = Self::load_region(processed_paths.center())?;
let region_group = Self::load_region_group(processed_paths)
.with_context(|| format!("Region {:?} from previous step must be loadable", coords))?;
let mut image = image::RgbaImage::new(N, N);
Self::render_region(&mut image, &region);
Self::render_region(&mut image, &region_group);
fs::create_with_timestamp(
&output_path,