91 lines
2.1 KiB
Rust
91 lines
2.1 KiB
Rust
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use comfy::{error, texture_id, EngineContext, HashSet, Lazy, Mutex, TextureHandle};
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use std::{fs, io, sync::Arc};
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static ASSETS_LOADED: Lazy<Arc<Mutex<HashSet<String>>>> =
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Lazy::new(|| Arc::new(Mutex::new(HashSet::new())));
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struct FurnitureAsset {
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folder: String,
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name: String
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}
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struct FurnitureTextureHandles {
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human: Option<TextureHandle>,
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magnet: Option<TextureHandle>,
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elec: Option<TextureHandle>
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}
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impl FurnitureAsset {
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fn asset_path(&self) -> String {
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format!("{}/{}.png", self.folder, self.name)
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}
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fn asset_path_magnet(&self) -> String {
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format!("{}/magnet/{}.png", self.folder, self.name)
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}
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fn asset_path_elec(&self) -> String {
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format!("{}/elec/{}.png", self.folder, self.name)
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}
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fn load_asset_path(
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&self,
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path: String,
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ctx: &mut EngineContext<'_>
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) -> Option<TextureHandle> {
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let mut loaded = ASSETS_LOADED.lock();
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if loaded.contains(&path) {
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return None;
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}
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let bytes = match fs::read(format!(
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"{}/assets/furniture/{path}",
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env!("CARGO_MANIFEST_DIR")
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)) {
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Ok(bytes) => bytes,
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Err(err) if err.kind() == io::ErrorKind::NotFound => return None,
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Err(err) => {
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error!("Failed to load asset {path:?}: {err}");
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return None;
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}
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};
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ctx.load_texture_from_bytes(&path, &bytes);
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let handle = texture_id(&path);
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loaded.insert(path);
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Some(handle)
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}
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/// Attempt to load the assets. Silently ignore missing assets.
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fn load_assets(&self, ctx: &mut EngineContext<'_>) -> FurnitureTextureHandles {
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FurnitureTextureHandles {
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human: self.load_asset_path(self.asset_path(), ctx),
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magnet: self.load_asset_path(self.asset_path_magnet(), ctx),
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elec: self.load_asset_path(self.asset_path_elec(), ctx)
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}
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}
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}
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pub struct Furniture {
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asset: FurnitureAsset,
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handles: FurnitureTextureHandles,
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on: Box<dyn Fn() -> bool>
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}
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impl Furniture {
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pub fn new<F: Into<String>, N: Into<String>>(
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folder: F,
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name: N,
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ctx: &mut EngineContext<'_>
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) -> Self {
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let asset = FurnitureAsset {
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folder: folder.into(),
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name: name.into()
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};
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let handles = asset.load_assets(ctx);
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Self {
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asset,
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handles,
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on: Box::new(|| false)
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}
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}
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}
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