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Patched waypoint spawning

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This commit is contained in:
Joshua Barretto 2020-01-26 14:27:11 +00:00
parent 6e2784ba0e
commit 4f0d27690c
1 changed files with 15 additions and 7 deletions
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22
world/src/sim/mod.rs
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@ -1461,17 +1461,25 @@ impl WorldSim {
.into_par_iter()
.filter_map(|(i, j)| {
let mut pos = Vec2::new(i as i32, j as i32);
let mut chunk = this.get(pos)?;
// Slide the waypoints down hills
const MAX_ITERS: usize = 64;
for _ in 0..MAX_ITERS {
match this.get(pos)?.downhill {
Some(downhill) => {
pos = downhill
.map2(Vec2::from(TerrainChunkSize::RECT_SIZE), |e, sz: u32| {
e / (sz as i32)
})
}
let downhill_pos = match chunk.downhill {
Some(downhill) => downhill
.map2(Vec2::from(TerrainChunkSize::RECT_SIZE), |e, sz: u32| {
e / (sz as i32)
}),
None => return Some(pos),
};
let new_chunk = this.get(downhill_pos)?;
const SLIDE_THRESHOLD: f32 = 5.0;
if new_chunk.is_underwater || new_chunk.alt + SLIDE_THRESHOLD < chunk.alt {
break;
} else {
chunk = new_chunk;
pos = downhill_pos;
}
}
Some(pos)