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visiblity work

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This commit is contained in:
Robin Appelman 2020-06-26 19:26:20 +02:00
commit f8b0624e40
3 changed files with 71 additions and 65 deletions
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16
src/lib.rs
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@ -12,12 +12,7 @@ use binread::BinRead;
use bspfile::BspFile;
use itertools::{GroupBy, Itertools};
use reader::LumpReader;
use std::{
convert::TryInto,
io::{self, Read},
iter::once,
ops::Deref,
};
use std::{io::Read, iter::once, ops::Deref};
use thiserror::Error;
#[derive(Debug, Error)]
@ -316,8 +311,8 @@ impl<'a, T> Handle<'a, T> {
impl<'a> Handle<'a, Model> {
pub fn faces(&self) -> impl Iterator<Item = Handle<'a, Face>> {
let start = self.face as usize;
let end = start + self.num_faces as usize;
let start = self.first_face as usize;
let end = start + self.face_count as usize;
let bsp = self.bsp;
bsp.faces[start..end]
@ -377,6 +372,7 @@ impl<'a> Handle<'a, Leaf> {
if cluster < 0 {
None
} else {
let visible_clusters = bsp.vis_data.visible_clusters(cluster);
Some(
bsp.leaves
.iter()
@ -384,9 +380,7 @@ impl<'a> Handle<'a, Leaf> {
if leaf.cluster == cluster {
true
} else if leaf.cluster > 0 {
let cluster_vis_start =
leaf.cluster as u64 * bsp.vis_data.sz_vecs as u64 * 8;
bsp.vis_data.vecs[cluster_vis_start + cluster as u64]
visible_clusters[leaf.cluster as u64]
} else {
false
}