maplibre-rs/build.rs

use std::path::{Path, PathBuf};
use std::{env, fs};

use mapr_utils::mbtiles::extract;
use wgsl_validate::validate_project_wgsl;

pub const MUNICH_X: u32 = 17421;
pub const MUNICH_Y: u32 = 11360;
pub const MUNICH_Z: u8 = 15;

fn main() {
    validate_project_wgsl();

    let root_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
    let out_dir = env::var("OUT_DIR").unwrap();

    let out = Path::new(&out_dir).join("extracted-tiles");
    if out.exists() && out.is_dir() {
        fs::remove_dir_all(&out).unwrap()
    }
    let source = Path::new(&root_dir).join(format!("test-data/munich-{}.mbtiles", MUNICH_Z));

    // Pack tiles around Munich HBF (100 tiles in each direction)
    extract(
        source,
        out,
        MUNICH_Z,
        (MUNICH_X - 100)..(MUNICH_X + 100),
        (MUNICH_Y - 100)..(MUNICH_Y + 100),
    )
    .unwrap();
}