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use anyhow::Result;
use std::{
collections::{HashMap, HashSet},
sync::Arc,
};
use weareshared::{packets::Resource, resources::Part, tree::SceneTree};
use wgpu::Buffer;
pub struct ScenePreparer {
index_buffers: HashMap<Resource, Arc<Buffer>>,
vertex_buffers_x3: HashMap<[Resource; 1], Arc<Buffer>>,
vertex_buffers_x2: HashMap<[Resource; 2], Arc<Buffer>>,
vertex_buffers_x1: HashMap<[Resource; 3], Arc<Buffer>>,
parts: HashMap<Resource, Arc<Part>>,
prefabs: HashMap<Resource, RPrefab>,
}
pub struct RPrefab(pub Vec<Arc<RPart>>);
pub struct RPart {
pub index_count: u32,
pub index: Arc<Buffer>,
pub positions: Arc<Buffer>,
pub normals: Arc<Buffer>,
}
impl ScenePreparer {
pub fn new() -> Self {
Self {
index_buffers: HashMap::new(),
vertex_buffers_x3: HashMap::new(),
vertex_buffers_x2: HashMap::new(),
vertex_buffers_x1: HashMap::new(),
parts: HashMap::new(),
prefabs: HashMap::new(),
}
}
fn update(&mut self, tree: &SceneTree) -> Result<()> {
let need = tree.objects.values().map(|o| o.res).collect::<HashSet<_>>();
for n in need {}
}
}
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