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Refactor iteration over cardinals for bridges to explicitly check for the cardinal direction instead of using specific indices, performance seems roughly the same.

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This commit is contained in:
Imbris 2023-04-25 01:06:17 -04:00
parent 29f0f0d83f
commit 4becb2c616
1 changed files with 3 additions and 5 deletions
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8
world/src/civ/mod.rs
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@ -1403,11 +1403,9 @@ fn walk_in_all_dirs(
// Look for potential bridge spots in the cardinal directions if
// `loc_suitable_for_wallking` was false for the adjacent chunk.
for i in 0..4 {
// These happen to be indices for dirs where: dir.x == 0 || dir.y == 0
let i = i * 2;
if potential[i].is_none() {
let dir = NEIGHBORS[i];
for (i, &dir) in NEIGHBORS.iter().enumerate() {
let is_cardinal_dir = dir.x == 0 || dir.y == 0;
if is_cardinal_dir && potential[i].is_none() {
// if we can skip over unsuitable area with a bridge
potential[i] = (4..=5).find_map(|i| {
loc_suitable_for_walking(sim, a + dir * i)