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This commit is contained in:
nora 2023-01-09 15:19:34 +01:00
parent 02dcaf07e7
commit 9dcde0e451
2 changed files with 34 additions and 17 deletions
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28
minmax-rs/src/connect4/board.rs
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@ -115,6 +115,20 @@ impl Connect4 {
Score::new(score_player(player) - score_player(player.opponent()))
}
pub fn drop_player(&self, position: usize) -> usize {
for i in 0..3 {
let prev = position + (i * WIDTH);
let next = position + ((i + 1) * WIDTH);
if self[next].is_some() {
return prev;
}
}
let bottom = position + (3 * WIDTH);
bottom
}
}
impl Index<usize> for Connect4 {
@ -150,18 +164,8 @@ impl Game for Connect4 {
}
fn make_move(&mut self, position: Self::Move, player: Player) {
for i in 0..3 {
let prev = position + (i * WIDTH);
let next = position + ((i + 1) * WIDTH);
if self[next].is_some() {
self[prev] = Some(player);
return;
}
}
let bottom = position + (3 * WIDTH);
self[bottom] = Some(player);
let pos = self.drop_player(position);
self[pos] = Some(player);
}
fn undo_move(&mut self, position: Self::Move) {