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platane
2025-03-23 14:33:58 +01:00
parent 34d5617f54
commit c135277bdf
2 changed files with 14 additions and 9 deletions
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2
packages/solver-r/src/lib.rs
View File

@@ -71,7 +71,7 @@ impl From<IGrid> for Grid {
pub fn iget_free_cell(grid: &IGrid) -> js_sys::Uint8Array {
let g = Grid::from(grid.clone());
let out = get_free_cell(&g, Cell::Color1);
let (_, out) = get_free_cell(&g, Cell::Color1);
let o: Vec<u8> = out.iter().flat_map(|p| [p.x as u8, p.y as u8]).collect();

21
packages/solver-r/src/solver.rs
View File

@@ -2,8 +2,9 @@ use std::collections::HashSet;
use crate::grid::{Cell, Grid, Point};
pub fn get_free_cell(grid: &Grid, walkable: Cell) -> HashSet<Point> {
let mut free: HashSet<Point> = HashSet::new();
pub fn get_free_cell(grid: &Grid, walkable: Cell) -> (HashSet<Point>, HashSet<Point>) {
let mut free_cells: HashSet<Point> = HashSet::new();
let mut one_way_cells: HashSet<Point> = HashSet::new();
let mut open_list: HashSet<Point> = HashSet::new();
for x in 0..(grid.width as i8) {
@@ -43,7 +44,7 @@ pub fn get_free_cell(grid: &Grid, walkable: Cell) -> HashSet<Point> {
};
if !visited.contains(&neighbour)
&& (free.contains(&neighbour) || !grid.is_inside(&neighbour))
&& (free_cells.contains(&neighbour) || !grid.is_inside(&neighbour))
{
visited.insert(neighbour);
exit_count += 1;
@@ -67,7 +68,7 @@ pub fn get_free_cell(grid: &Grid, walkable: Cell) -> HashSet<Point> {
if !visited.contains(&neighbour)
&& !visited.contains(&corner)
&& (free.contains(&corner) || !grid.is_inside(&corner))
&& (free_cells.contains(&corner) || !grid.is_inside(&corner))
{
visited.insert(neighbour);
visited.insert(corner);
@@ -81,7 +82,7 @@ pub fn get_free_cell(grid: &Grid, walkable: Cell) -> HashSet<Point> {
};
if has_enough_free_exits {
free.insert(p);
free_cells.insert(p);
for dir in directions {
let neighbour = Point {
@@ -89,17 +90,21 @@ pub fn get_free_cell(grid: &Grid, walkable: Cell) -> HashSet<Point> {
y: p.y + dir.y,
};
if !free.contains(&neighbour)
if !free_cells.contains(&neighbour)
&& grid.is_inside(&neighbour)
&& grid.get_cell(&neighbour) <= walkable
{
open_list.insert(neighbour);
}
}
} else {
one_way_cells.insert(p);
}
}
free
one_way_cells.retain(|p| !free_cells.contains(&p));
(free_cells, one_way_cells)
}
#[test]
@@ -108,7 +113,7 @@ fn it_should_collect_free_cell() {
grid.set_cell(&Point { x: 1, y: 1 }, Cell::Color2);
let free_cells = get_free_cell(&grid, Cell::Color1);
let (free_cells, _) = get_free_cell(&grid, Cell::Color1);
assert_eq!(
free_cells,