//! CPU cross-check of the fixed depth range: for every clip/frame (project fps)
//! and all 60 views, the view-space depth of every skinned vertex versus
//! near/far. Usage: depth_clamp_probe BODY HEIGHT_MILLI CENTER_MILLI [FPS]
use paperdoll_renderer::{camera, preview, project::CameraFraming};

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let a: Vec<String> = std::env::args().skip(1).collect();
    let body = preview::load_body_file(std::path::Path::new(&a[0]))?;
    let fps: u32 = a.get(3).map(|v| v.parse()).transpose()?.unwrap_or(4);
    let framing = CameraFraming {
        height_milli: a[1].parse()?,
        center_y_milli: a[2].parse()?,
        ..CameraFraming::default()
    };
    let resolved = camera::resolve(&body, framing);
    let (near, far) = camera::depth_range(resolved.framing);
    println!("{} near {near:.3} far {far:.3}", resolved.description());
    for (pitch, lo, hi, out) in camera::depth_extents(&body, resolved.framing, fps) {
        println!("pitch {pitch:+}: depth {lo:.3}..{hi:.3}, vertices outside {out}");
    }
    Ok(())
}