// Triangle mesh model — produced by truck Shell/Solid tessellation.
//
// Stored alongside WireModels in the scene; rendered by the mesh pipeline
// (wgpu TriangleList with depth test, flat normals).

/// A tessellated triangle mesh ready to upload to the GPU.
#[derive(Clone, Debug)]
#[allow(dead_code)]
pub struct MeshModel {
    /// Unique identifier (entity handle value as decimal string).
    pub name: String,
    /// World-space vertex positions.
    pub verts: Vec<[f32; 3]>,
    /// Per-vertex normals (may be empty if not available).
    pub normals: Vec<[f32; 3]>,
    /// Triangle indices into `verts` (every 3 values = one triangle).
    pub indices: Vec<u32>,
    /// RGBA colour in [0, 1].
    pub color: [f32; 4],
    /// Whether this mesh is currently selected.
    pub selected: bool,
}

impl MeshModel {
    #[allow(dead_code)]
    pub const WHITE: [f32; 4] = [1.00, 1.00, 1.00, 1.0];
    pub const SELECTED: [f32; 4] = [0.15, 0.55, 1.00, 1.0];
}