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// Copyright (C) 2019 Oscar Shrimpton
//
// This file is part of stockton-bsp.
//
// stockton-bsp is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// stockton-bsp is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with stockton-bsp. If not, see <http://www.gnu.org/licenses/>.
use na::{Vector2, Vector3};
use std::ops::Range;
use super::{HasEffects, HasLightMaps, HasMeshVerts, HasTextures};
use crate::coords::CoordSystem;
#[derive(Debug, Clone, Copy, PartialEq)]
#[repr(i32)]
pub enum FaceType {
Polygon = 1,
Patch = 2,
Mesh = 3,
Billboard = 4,
}
#[derive(Debug, Clone, PartialEq)]
pub struct Face {
pub face_type: FaceType,
pub texture_idx: u32,
pub effect_idx: Option<u32>,
pub lightmap_idx: Option<u32>,
pub vertices_idx: Range<u32>,
pub meshverts_idx: Range<u32>,
pub map_start: Vector2<u32>,
pub map_size: Vector2<u32>,
pub map_origin: Vector3<f32>,
pub map_vecs: [Vector3<f32>; 2],
pub normal: Vector3<f32>,
pub size: Vector2<u32>,
}
pub trait HasFaces<S: CoordSystem>:
HasTextures + HasEffects<S> + HasLightMaps + HasMeshVerts<S>
{
type FacesIter<'a>: Iterator<Item = &'a Face>;
fn faces_iter(&self) -> Self::FacesIter<'_>;
fn faces_len(&self) -> u32;
fn get_face(&self, index: u32) -> &Face;
}
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