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mod color;
pub mod dir;
pub mod find_dist;
mod grid_hasher;
mod option;
pub mod plane;
pub mod projection;
/// Contains [`SpatialGrid`] which is useful for accelerating queries of nearby
/// entities
mod spatial_grid;

pub const GIT_VERSION_BUILD: &str = include_str!(concat!(env!("OUT_DIR"), "/githash"));
pub const GIT_TAG_BUILD: &str = include_str!(concat!(env!("OUT_DIR"), "/gittag"));
pub const VELOREN_VERSION_STAGE: &str = "Pre-Alpha";

lazy_static::lazy_static! {
    pub static ref GIT_VERSION: String =
        std::env::var("VELOREN_GIT_VERSION").unwrap_or_else(|_| GIT_VERSION_BUILD.to_string());
    pub static ref GIT_TAG: String =
        std::env::var("VELOREN_GIT_TAG").unwrap_or_else(|_| GIT_TAG_BUILD.to_string());
    pub static ref GIT_HASH: &'static str = GIT_VERSION.split('/').next().expect("failed to retrieve git_hash!");
    static ref GIT_DATETIME: &'static str = GIT_VERSION.split('/').nth(1).expect("failed to retrieve git_datetime!");
    pub static ref GIT_DATE: String = GIT_DATETIME.split('-').take(3).collect::<Vec<&str>>().join("-");
    pub static ref GIT_TIME: &'static str = GIT_DATETIME.split('-').nth(3).expect("failed to retrieve git_time!");
    pub static ref GIT_DATE_TIMESTAMP: i64 =
        NaiveDateTime::parse_from_str(*GIT_DATETIME, "%Y-%m-%d-%H:%M")
            .expect("Invalid date")
            .and_utc().timestamp();
    pub static ref DISPLAY_VERSION: String = if GIT_TAG.is_empty() {
        format!("{}-{}", VELOREN_VERSION_STAGE, *GIT_DATE)
    } else {
        format!("{}-{}", VELOREN_VERSION_STAGE, GIT_TAG.as_str())
    };
    pub static ref DISPLAY_VERSION_LONG: String = if GIT_TAG.is_empty() {
        format!("{} ({})", DISPLAY_VERSION.as_str(), *GIT_HASH)
    } else {
        format!("{} ({})", DISPLAY_VERSION.as_str(), GIT_VERSION.as_str())
    };
}

use chrono::NaiveDateTime;
pub use color::*;
pub use dir::*;
pub use grid_hasher::GridHasher;
pub use option::either_with;
pub use plane::Plane;
pub use projection::Projection;
pub use spatial_grid::SpatialGrid;