53 lines
1.3 KiB
Rust
53 lines
1.3 KiB
Rust
#![warn(missing_docs)]
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//! This crate creates texture atlases from an asset tree.
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use std::{collections::HashMap, path::PathBuf};
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use serde::{Deserialize, Serialize};
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/// The location of a single image in a sprite atlas
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#[derive(Debug, Serialize, Deserialize, Clone)]
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pub struct SpriteAtlasImage {
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/// The index of the atlas this image is in
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/// This is an index in SpriteAtlas.atlas_list
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pub atlas: u32,
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/// x-position of this image
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/// (between 0 and 1, using wgpu texture coordinates)
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pub x: f32,
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/// y-position of this image
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/// (between 0 and 1, using wgpu texture coordinates)
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pub y: f32,
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/// Width of this image
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/// (between 0 and 1, using wgpu texture coordinates)
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pub w: f32,
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/// Height of this image
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/// (between 0 and 1, using wgpu texture coordinates)
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pub h: f32,
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}
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/// A map between file paths (relative to the root asset dir)
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/// and [`AtlasTexture`]s.
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#[derive(Debug, Serialize, Deserialize, Clone)]
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pub struct SpriteAtlas {
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/// The images in this atlas
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pub index: HashMap<PathBuf, SpriteAtlasImage>,
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/// The file names of the atlas textures we've generated
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pub atlas_list: Vec<String>,
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}
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impl SpriteAtlas {
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/// Make an empty [`SpriteAtlasIndex`]
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pub fn new() -> Self {
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Self {
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index: HashMap::new(),
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atlas_list: Vec::new(),
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}
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}
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}
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