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path: root/world/src/main.rs
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#![feature(iter_array_chunks)]
use anyhow::Result;
use clap::Parser;
use rand::random;
use std::{
    io::Write,
    net::{SocketAddr, TcpStream},
    path::PathBuf,
    thread::{self, sleep},
    time::Duration,
};
use weareshared::{
    Affine3A, Vec3A,
    packets::{Data, Object, Packet, ReadWrite},
    resources::{Attribute, AttributeArray, IndexArray, Part, Prefab},
    store::ResourceStore,
    vec3a,
};

#[derive(Parser)]
struct Args {
    address: SocketAddr,
    scene: PathBuf,
    #[arg(short, long)]
    push: bool,
}

fn main() -> Result<()> {
    env_logger::init_from_env("LOG");
    let args = Args::parse();

    let mut sock = TcpStream::connect(args.address)?;
    let store = ResourceStore::new_memory();

    Packet::Connect(random()).write(&mut sock)?;

    let (gltf, buffers, _) = gltf::import(args.scene)?;

    let mut prefab = Prefab::default();
    for node in gltf.nodes() {
        if let Some(mesh) = node.mesh() {
            for p in mesh.primitives() {
                let reader = p.reader(|buf| Some(&buffers[buf.index()]));
                let mut pos_x = vec![];
                let mut pos_y = vec![];
                let mut pos_z = vec![];
                let mut norm_x = vec![];
                let mut norm_y = vec![];
                let mut norm_z = vec![];
                let mut uv_x = vec![];
                let mut uv_y = vec![];
                for p in reader.read_positions().unwrap() {
                    pos_x.push(p[0]);
                    pos_y.push(p[1]);
                    pos_z.push(p[2]);
                }
                for p in reader.read_normals().unwrap() {
                    norm_x.push(p[0]);
                    norm_y.push(p[1]);
                    norm_z.push(p[2]);
                }
                for p in reader.read_tex_coords(0).unwrap().into_f32() {
                    uv_x.push(p[0]);
                    uv_y.push(p[1]);
                }
                let index = reader
                    .read_indices()
                    .unwrap()
                    .into_u32()
                    .map(|e| e as u16)
                    .array_chunks::<3>()
                    .collect::<Vec<_>>();

                if let Some(tex) = p.material().pbr_metallic_roughness().base_color_texture() {}

                let part = store.set(
                    &Part {
                        va_position: Some([
                            Attribute::Vertex(store.set(&AttributeArray(pos_x).write_alloc())?),
                            Attribute::Vertex(store.set(&AttributeArray(pos_y).write_alloc())?),
                            Attribute::Vertex(store.set(&AttributeArray(pos_z).write_alloc())?),
                        ]),
                        va_normal: Some([
                            Attribute::Vertex(store.set(&AttributeArray(norm_x).write_alloc())?),
                            Attribute::Vertex(store.set(&AttributeArray(norm_y).write_alloc())?),
                            Attribute::Vertex(store.set(&AttributeArray(norm_z).write_alloc())?),
                        ]),
                        va_texcoord: Some([
                            Attribute::Vertex(store.set(&AttributeArray(uv_x).write_alloc())?),
                            Attribute::Vertex(store.set(&AttributeArray(uv_y).write_alloc())?),
                        ]),
                        va_pbr_albedo: Some([
                            Attribute::Constant(0.9),
                            Attribute::Constant(0.1),
                            Attribute::Constant(0.1),
                        ]),
                        index: Some(store.set(&IndexArray(index).write_alloc())?),
                        ..Part::default()
                    }
                    .write_alloc(),
                )?;

                let mat = node.transform().matrix();
                let aff = Affine3A::from_cols_array_2d(&[
                    [mat[0][0], mat[0][1], mat[0][2]],
                    [mat[1][0], mat[1][1], mat[1][2]],
                    [mat[2][0], mat[2][1], mat[2][2]],
                    [mat[3][0], mat[3][1], mat[3][2]],
                ]);
                prefab.0.push((aff, part))
            }
        }
    }

    let ob = Object::new();
    Packet::Add(ob, store.set(&prefab.write_alloc())?).write(&mut sock)?;

    let mut sock2 = sock.try_clone().unwrap();
    thread::spawn(move || {
        let mut x = 0.;
        loop {
            Packet::Position(ob, Vec3A::ZERO, vec3a(x, x * 0.3, x * 0.1))
                .write(&mut sock2)
                .unwrap();
            sock2.flush().unwrap();
            x += 0.1;
            sleep(Duration::from_millis(50));
        }
    });

    if args.push {
        store.iter(|d| {
            Packet::RespondResource(Data(d.to_vec()))
                .write(&mut sock)
                .unwrap();
        })?;
        sock.flush()?;
    } else {
        loop {
            let packet = Packet::read(&mut sock)?;
            match packet {
                Packet::RequestResource(hash) => {
                    if let Some(d) = store.get(hash)? {
                        Packet::RespondResource(Data(d)).write(&mut sock)?;
                        sock.flush()?;
                    }
                }
                _ => (),
            }
        }
    }
    Ok(())
}