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/*
* Copyright (C) Oscar Shrimpton 2020
*
* This program 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.
*
* This program 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 this program. 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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