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refact(perf): less board clones with new function unmove_checker()

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This commit is contained in:
Henri Bourcereau 2026-03-06 21:25:48 +01:00
parent 6beaa56202
commit a239c02937
2 changed files with 21 additions and 5 deletions
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14
store/src/board.rs
View file

@ -604,6 +604,20 @@ impl Board {
Ok(())
}
/// Reverse a previously applied `move_checker`. No validation: assumes the move was valid.
pub fn unmove_checker(&mut self, color: &Color, cmove: CheckerMove) {
let unit = match color {
Color::White => 1,
Color::Black => -1,
};
if cmove.from != 0 {
self.positions[cmove.from - 1] += unit;
}
if cmove.to != 0 {
self.positions[cmove.to - 1] -= unit;
}
}
pub fn remove_checker(&mut self, color: &Color, field: Field) -> Result<(), Error> {
if field == 0 {
return Ok(());

12
store/src/game_rules_moves.rs
View file

@ -534,14 +534,16 @@ impl MoveRules {
let mut moves_seqs = Vec::new();
let color = &Color::White;
let ignored_rules = vec![TricTracRule::Exit, TricTracRule::MustFillQuarter];
let mut board = self.board.clone();
for moves in self.get_possible_moves_sequences(true, ignored_rules) {
let mut board = self.board.clone();
board.move_checker(color, moves.0).unwrap();
board.move_checker(color, moves.1).unwrap();
// println!("get_quarter_filling_moves_sequences board : {:?}", board);
if board.any_quarter_filled(*color) && !moves_seqs.contains(&moves) {
moves_seqs.push(moves);
}
board.unmove_checker(color, moves.1);
board.unmove_checker(color, moves.0);
}
moves_seqs
}
@ -558,13 +560,13 @@ impl MoveRules {
let mut moves_seqs = Vec::new();
let color = &Color::White;
let forbid_exits = self.has_checkers_outside_last_quarter();
let mut board = self.board.clone();
// println!("==== First");
for first_move in
self.board
.get_possible_moves(*color, dice1, with_excedents, false, forbid_exits)
{
let mut board2 = self.board.clone();
if board2.move_checker(color, first_move).is_err() {
if board.move_checker(color, first_move).is_err() {
println!("err move");
continue;
}
@ -574,7 +576,7 @@ impl MoveRules {
let mut has_second_dice_move = false;
// println!(" ==== Second");
for second_move in
board2.get_possible_moves(*color, dice2, with_excedents, true, forbid_exits)
board.get_possible_moves(*color, dice2, with_excedents, true, forbid_exits)
{
if self
.check_corner_rules(&(first_move, second_move))
@ -637,7 +639,7 @@ impl MoveRules {
// empty move
moves_seqs.push((first_move, EMPTY_MOVE));
}
//if board2.get_color_fields(*color).is_empty() {
board.unmove_checker(color, first_move);
}
moves_seqs
}