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use std::convert::TryInto;
use super::Q3BspFile;
use crate::coords::CoordSystem;
use crate::traits::light_vols::*;
use crate::types::{ParseError, Result, Rgb};
const VOL_LENGTH: usize = (3 * 2) + 2;
pub fn from_data(data: &[u8]) -> Result<Box<[LightVol]>> {
if data.len() % VOL_LENGTH != 0 {
return Err(ParseError::Invalid);
}
let length = data.len() / VOL_LENGTH;
let mut vols = Vec::with_capacity(length);
for n in 0..length {
let data = &data[n * VOL_LENGTH..(n + 1) * VOL_LENGTH];
vols.push(LightVol {
ambient: Rgb::from_slice(&data[0..3]),
directional: Rgb::from_slice(&data[3..6]),
dir: data[6..8].try_into().unwrap(),
});
}
Ok(vols.into_boxed_slice())
}
impl<T: CoordSystem> HasLightVols for Q3BspFile<T> {
type LightVolsIter<'a> = std::slice::Iter<'a, LightVol>;
fn lightvols_iter(&self) -> Self::LightVolsIter<'_> {
self.light_vols.iter()
}
fn get_lightvol(&self, index: u32) -> &LightVol {
&self.light_vols[index as usize]
}
}
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