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//! Parses the BSP tree into a usable format
use super::{HasBrushes, HasFaces, HasVisData};
use crate::coords::CoordSystem;
use na::Vector3;
/// A node in a BSP tree.
/// Either has two children *or* a leaf entry.
#[derive(Debug, Clone)]
pub struct BspNode {
pub plane_idx: u32,
pub min: Vector3<i32>,
pub max: Vector3<i32>,
pub value: BspNodeValue,
}
#[derive(Debug, Clone)]
pub enum BspNodeValue {
Leaf(BspLeaf),
Children(Box<BspNode>, Box<BspNode>),
}
/// A leaf in a BSP tree.
/// Will be under a `BSPNode`, min and max values are stored there.
#[derive(Debug, Clone)]
pub struct BspLeaf {
pub cluster_id: u32,
pub area: i32,
pub faces_idx: Box<[u32]>,
pub brushes_idx: Box<[u32]>,
}
pub trait HasBspTree<S: CoordSystem>: HasFaces<S> + HasBrushes<S> + HasVisData {
fn get_bsp_root(&self) -> &BspNode;
}
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