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resource: return block color as float vector

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Deferring conversion to integers is convenient for biome smoothing.
This commit is contained in:
Matthias Schiffer 2023-08-03 18:31:45 +02:00
parent 0a485343a0
commit b650b096ef
Signed by: neocturne
GPG key ID: 16EF3F64CB201D9C
2 changed files with 9 additions and 6 deletions
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9
src/bin/minedmap/tile_renderer.rs
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@ -4,6 +4,7 @@ use std::{
};
use anyhow::{Context, Result};
use glam::Vec3;
use num_integer::div_mod_floor;
use minedmap::{
@ -82,7 +83,7 @@ impl<'a> TileRenderer<'a> {
chunk: &ProcessedChunk,
_chunk_coords: ChunkCoords,
block_coords: LayerBlockCoords,
) -> Option<[u8; 4]> {
) -> Option<Vec3> {
let block = chunk.blocks[block_coords]?;
let depth = chunk.depths[block_coords]?;
@ -109,7 +110,11 @@ impl<'a> TileRenderer<'a> {
z: BlockZ::new(z),
};
let color = Self::block_color_at(region_group, chunk, chunk_coords, block_coords);
image::Rgba(color.unwrap_or_default())
image::Rgba(
color
.map(|c| [c[0] as u8, c[1] as u8, c[2] as u8, 255])
.unwrap_or_default(),
)
});
overlay_chunk(image, &chunk_image, chunk_coords);
}

6
src/resource/block_color.rs
View file

@ -78,7 +78,7 @@ pub fn needs_biome(block: BlockType) -> bool {
block.is(Grass) || block.is(Foliage) || block.is(Water)
}
pub fn block_color(block: BlockType, biome: Option<&Biome>, depth: f32) -> [u8; 4] {
pub fn block_color(block: BlockType, biome: Option<&Biome>, depth: f32) -> Vec3 {
use super::BlockFlag::*;
let get_biome = || biome.expect("needs biome to determine block color");
@ -101,7 +101,5 @@ pub fn block_color(block: BlockType, biome: Option<&Biome>, depth: f32) -> [u8;
color *= get_biome().water_color();
}
color *= 0.5 + 0.005 * depth;
[color[0] as u8, color[1] as u8, color[2] as u8, 255]
color * (0.5 + 0.005 * depth)
}