prise de coin par puissance
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3 changed files with 153 additions and 5 deletions
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@ -294,22 +294,72 @@ impl GameState {
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fn moves_follows_dices(&self, color: &Color, moves: &(CheckerMove, CheckerMove)) -> bool {
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let (dice1, dice2) = self.dice.values;
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let (move1, move2): &(CheckerMove, CheckerMove) = moves.into();
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let (move1, move2): &(CheckerMove, CheckerMove) = moves;
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let dist1 = (move1.get_to() as i8 - move1.get_from() as i8).abs() as u8;
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let dist2 = (move2.get_to() as i8 - move2.get_from() as i8).abs() as u8;
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// print!("{}, {}, {}, {}", dist1, dist2, dice1, dice2);
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// basic : same number
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// exceptions
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// - prise de coin par puissance
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if self.is_move_by_puissance(color, moves) {
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return true;
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}
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// - sorties
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// default : must be same number
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if cmp::min(dist1, dist2) != cmp::min(dice1, dice2)
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|| cmp::max(dist1, dist2) != cmp::max(dice1, dice2)
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{
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return false;
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}
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// prise de coin par puissance
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// sorties
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// no rule was broken
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true
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}
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fn is_move_by_puissance(&self, color: &Color, moves: &(CheckerMove, CheckerMove)) -> bool {
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let (dice1, dice2) = self.dice.values;
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let (move1, move2): &(CheckerMove, CheckerMove) = moves.into();
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let dist1 = (move1.get_to() as i8 - move1.get_from() as i8).abs() as u8;
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let dist2 = (move2.get_to() as i8 - move2.get_from() as i8).abs() as u8;
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// Both corners must be empty
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let (count1, _color) = self.board.get_field_checkers(12).unwrap();
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let (count2, _color2) = self.board.get_field_checkers(13).unwrap();
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if count1 > 0 || count2 > 0 {
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return false;
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}
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move1.get_to() == move2.get_to()
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&& move1.get_to() == self.board.get_color_corner(color)
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&& ((*color == Color::White
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&& cmp::min(dist1, dist2) == cmp::min(dice1, dice2) - 1
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&& cmp::max(dist1, dist2) == cmp::max(dice1, dice2) - 1)
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|| (*color == Color::Black
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&& cmp::min(dist1, dist2) == cmp::min(dice1, dice2) + 1
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&& cmp::max(dist1, dist2) == cmp::max(dice1, dice2) + 1))
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}
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fn can_take_corner_by_effect(&self, color: &Color) -> bool {
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// return false if corner already taken
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let corner_field: Field = self.board.get_color_corner(color);
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let (count, _col) = self.board.get_field_checkers(corner_field).unwrap();
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if count > 0 {
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return false;
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}
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let (dice1, dice2) = self.dice.values;
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let (field1, field2) = match color {
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Color::White => (12 - dice1, 12 - dice2),
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Color::Black => (13 + dice1, 13 + dice2),
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};
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let res1 = self.board.get_field_checkers(field1.into());
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let res2 = self.board.get_field_checkers(field2.into());
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if res1.is_err() || res2.is_err() {
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return false;
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}
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let (count1, opt_color1) = res1.unwrap();
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let (count2, opt_color2) = res2.unwrap();
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count1 > 0 && count2 > 0 && opt_color1 == Some(color) && opt_color2 == Some(color)
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}
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fn moves_allowed(&self, color: &Color, moves: &(CheckerMove, CheckerMove)) -> bool {
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// ------- corner rules ----------
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let corner_field: Field = self.board.get_color_corner(color);
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@ -325,12 +375,16 @@ impl GameState {
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return false;
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}
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// the lat 2 checkers of a corner must leave at the same time
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// the last 2 checkers of a corner must leave at the same time
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if (from0 == corner_field || from1 == corner_field) && (from0 != from1) && corner_count == 2
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{
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return false;
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}
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if self.is_move_by_puissance(color, moves) && self.can_take_corner_by_effect(color) {
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return false;
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}
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// ------- exit rules ----------
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// -- toutes les dames doivent être dans le jan de retour
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// -- si on peut sortir, on doit sortir
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@ -579,4 +633,84 @@ mod tests {
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);
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assert!(!state.moves_follows_dices(&Color::White, &badmoves));
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}
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#[test]
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fn test_can_take_corner_by_effect() {
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let mut state = GameState::default();
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let player1 = Player::new("player1".into(), Color::White);
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let player_id = 1;
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state.add_player(player_id, player1);
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state.add_player(2, Player::new("player2".into(), Color::Black));
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state.consume(&GameEvent::BeginGame {
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goes_first: player_id,
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});
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state.consume(&GameEvent::Roll { player_id });
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state.board.set_positions([
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10, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -15,
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]);
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state.dice.values = (4, 4);
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assert!(state.can_take_corner_by_effect(&Color::White));
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state.dice.values = (5, 5);
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assert!(!state.can_take_corner_by_effect(&Color::White));
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state.board.set_positions([
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10, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -15,
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]);
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state.dice.values = (4, 4);
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assert!(!state.can_take_corner_by_effect(&Color::White));
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state.board.set_positions([
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10, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, -2, 0, 0, 0, 0, 0, 0, 0, 0, 0, -13,
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]);
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state.dice.values = (1, 1);
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assert!(state.can_take_corner_by_effect(&Color::Black));
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}
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#[test]
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fn test_prise_en_puissance() {
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let mut state = GameState::default();
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let player1 = Player::new("player1".into(), Color::White);
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let player_id = 1;
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state.add_player(player_id, player1);
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state.add_player(2, Player::new("player2".into(), Color::Black));
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state.consume(&GameEvent::BeginGame {
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goes_first: player_id,
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});
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state.consume(&GameEvent::Roll { player_id });
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// prise par puissance ok
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state.board.set_positions([
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10, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -15,
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]);
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state.dice.values = (5, 5);
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let moves = (
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CheckerMove::new(8, 12).unwrap(),
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CheckerMove::new(8, 12).unwrap(),
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);
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assert!(state.is_move_by_puissance(&Color::White, &moves));
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assert!(state.moves_follows_dices(&Color::White, &moves));
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assert!(state.moves_allowed(&Color::White, &moves));
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// opponent corner must be empty
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state.board.set_positions([
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10, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, -2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -13,
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]);
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assert!(!state.is_move_by_puissance(&Color::White, &moves));
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assert!(!state.moves_follows_dices(&Color::White, &moves));
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// Si on a la possibilité de prendre son coin à la fois par effet, c'est à dire naturellement, et aussi par puissance, on doit le prendre par effet
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state.board.set_positions([
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5, 0, 0, 0, 0, 0, 5, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -15,
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]);
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assert!(!state.moves_allowed(&Color::White, &moves));
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// on a déjà pris son coin : on ne peux plus y deplacer des dames par puissance
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state.board.set_positions([
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8, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -15,
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]);
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assert!(!state.is_move_by_puissance(&Color::White, &moves));
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assert!(!state.moves_follows_dices(&Color::White, &moves));
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}
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}
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