enigma-3d 0.2.7

A 3D Rendering Engine with a focus on simplicity and ease of use. Far from feature complete and not recommended for production use.
Documentation 
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use std::env;
use std::fs;
use std::path::PathBuf;

fn main() {
    let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
    let src_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());

    copy_dir_recursively(&src_dir.join("src/res"), &out_dir.join("src/res")).unwrap();
}


fn copy_dir_recursively(src: &PathBuf, dst: &PathBuf) -> std::io::Result<()> {
    if !dst.exists() {
        fs::create_dir_all(&dst)?;
    }

    for entry in fs::read_dir(src)? {
        let entry = entry?;
        let path = entry.path();
        let dest_path = dst.join(entry.file_name());

        if path.is_dir() {
            copy_dir_recursively(&path, &dest_path)?;
        } else {
            fs::copy(&path, &dest_path)?;
            println!("cargo:rerun-if-changed={}", path.display());
        }
    }

    Ok(())
}