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prefab loader
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parent
e89dd07e66
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11
src/main.rs
11
src/main.rs
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@ -17,8 +17,10 @@ mod logging;
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pub(crate) mod rendering;
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pub(crate) mod player;
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pub(crate) mod world;
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pub(crate) mod prefabs;
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use rendering::{Rederer, RenderTarget, BackgroundColor, clear_background};
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use prefabs::load_prefabs;
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#[derive(Unique)]
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pub(crate) struct DeltaTime(Duration);
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@ -42,12 +44,15 @@ fn main() {
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//Create a shipyard world
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let world = World::new();
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//Add systems and uniques
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world.add_unique(BackgroundColor(vec3(0.5, 0.5, 1.)));
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world.add_unique(DeltaTime(Duration::default()));
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//Init and load things
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world.add_unique_non_send_sync(
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Rederer::init(&event_loop)
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);
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load_prefabs(&world);
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//Add systems and uniques
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world.add_unique(BackgroundColor(vec3(0.5, 0.5, 1.)));
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world.add_unique(DeltaTime(Duration::default()));
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world.add_workload(update);
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world.add_workload(render);
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@ -0,0 +1,88 @@
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use shipyard::{World, NonSendSync, UniqueView, Unique};
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use strum::{EnumIter, IntoEnumIterator};
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use rayon::prelude::*;
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use glium::{texture::{SrgbTexture2dArray, RawImage2d}, backend::Facade};
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use std::{fs::File, path::PathBuf, io::BufReader};
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use crate::rendering::Rederer;
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trait AssetPaths {
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fn file_name(self) -> &'static str;
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}
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#[derive(Clone, Copy, Debug, EnumIter)]
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#[repr(u8)]
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pub enum BlockTextures {
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Stone = 0,
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Dirt = 1,
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GrassTop = 2,
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GrassSide = 3,
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Sand = 4,
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Bedrock = 5,
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Wood = 6,
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WoodTop = 7,
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Leaf = 8,
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Torch = 9,
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TallGrass = 10,
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Snow = 11,
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GrassSideSnow = 12,
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}
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impl AssetPaths for BlockTextures {
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fn file_name(self) -> &'static str {
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match self {
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Self::Stone => "stone.png",
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Self::Dirt => "dirt.png",
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Self::GrassTop => "grass_top.png",
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Self::GrassSide => "grass_side.png",
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Self::Sand => "sand.png",
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Self::Bedrock => "bedrock.png",
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Self::Wood => "wood.png",
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Self::WoodTop => "wood_top.png",
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Self::Leaf => "leaf.png",
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Self::Torch => "torch.png",
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Self::TallGrass => "tall_grass.png",
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Self::Snow => "snow.png",
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Self::GrassSideSnow => "grass_side_snow.png",
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}
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}
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}
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fn load_texture2darray_prefab<T: AssetPaths + IntoEnumIterator, E: Facade>(directory: PathBuf, facade: &E) -> SrgbTexture2dArray {
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//Load raw images
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let tex_files: Vec<&'static str> = T::iter().map(|x| x.file_name()).collect();
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let raw_images: Vec<RawImage2d<u8>> = tex_files.par_iter().map(|&file_name| {
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log::info!("loading texture {}", file_name);
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//Get path to the image and open the file
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let reader = {
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let path = directory.join(file_name);
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BufReader::new(File::open(path).expect("Failed to open texture file"))
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};
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//Parse image data
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let (image_data, dimensions) = {
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let image =image::load(
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reader,
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image::ImageFormat::Png
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).unwrap().to_rgba8();
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let dimensions = image.dimensions();
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(image.into_raw(), dimensions)
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};
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//Create a glium RawImage
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RawImage2d::from_raw_rgba_reversed(
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&image_data,
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dimensions
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)
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}).collect();
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log::info!("done loading texture files, uploading to the gpu");
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//Upload images to the GPU
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SrgbTexture2dArray::new(facade, raw_images)
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.expect("Failed to upload texture array to GPU")
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}
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#[derive(Unique)]
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pub struct BlockTexturesPrefab(SrgbTexture2dArray);
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pub fn load_prefabs(world: &World) {
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let renderer = world.borrow::<NonSendSync<UniqueView<Rederer>>>().unwrap();
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world.add_unique_non_send_sync(BlockTexturesPrefab(
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load_texture2darray_prefab::<BlockTextures, _>("./assets/blocks/".into(), &renderer.display)
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));
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}
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