hive/engine/rules/
hive.rs

1use std::collections::HashSet;
2
3use crate::engine::grid::{coordinate::hex::Hex, Grid};
4
5pub fn one_hive_rule_grid_validation(grid: &Grid) -> bool {
6  let mut is_valid = true;
7  let mut keys_it = grid.grid.keys();
8  let mut found_pieces = HashSet::new();
9
10  if let Some(start) = keys_it.find(|h| grid.is_hex_occupied(h)) {
11    found_pieces = one_hive_rule_iterative_pieces_search(grid, found_pieces, start)
12  }
13
14  if found_pieces.len() != grid.number_of_pieces() {
15    is_valid = false;
16  }
17
18  is_valid
19}
20
21fn one_hive_rule_iterative_pieces_search(
22  grid: &Grid,
23  found_pieces: HashSet<(Hex, usize)>,
24  hex: &Hex,
25) -> HashSet<(Hex, usize)> {
26  let mut _found_pieces = found_pieces;
27  let pieces = match grid.grid.get(hex) {
28    Some(v) => v.clone(),
29    None => Vec::new(),
30  };
31
32  for i in 0..pieces.len() {
33    _found_pieces.insert((*hex, i));
34  }
35
36  for neighbor in hex.neighbors() {
37    let zero: usize = 0;
38    if !_found_pieces.contains(&(neighbor, zero)) && grid.is_hex_occupied(&neighbor) {
39      _found_pieces = one_hive_rule_iterative_pieces_search(grid, _found_pieces, &neighbor);
40    }
41  }
42  _found_pieces
43}
hive/engine/rules/hive.rs

hive/engine/rules/
hive.rs
