node: use bitboards
This commit is contained in:
parent
ea58c72436
commit
9c6327ec91
80
Cargo.lock
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80
Cargo.lock
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@ -1,13 +1,5 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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@ -31,11 +23,6 @@ name = "bitflags"
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@ -50,44 +37,6 @@ dependencies = [
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@ -101,20 +50,6 @@ name = "libc"
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@ -138,7 +73,6 @@ name = "vatu"
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@ -146,11 +80,6 @@ name = "vec_map"
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@ -171,25 +100,16 @@ version = "0.4.0"
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@ -6,4 +6,3 @@ edition = "2018"
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[dependencies]
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clap = "2.33"
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dashmap = "3.11"
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@ -126,7 +126,7 @@ pub fn sq_to_string(square: Square) -> String {
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}
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/// Board representation with color/piece bitboards.
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#[derive(PartialEq)]
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#[derive(Clone, PartialEq)]
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pub struct Board {
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pub colors: [Bitboard; 2],
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pub pieces: [Bitboard; 6],
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23
src/node.rs
23
src/node.rs
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use std::fmt;
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use std::hash::{Hash, Hasher};
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use crate::board;
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use crate::movement::{self, Move};
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use crate::stats;
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/// Analysis node: a board along with the game state.
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#[derive(Clone)]
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#[derive(Clone, PartialEq)]
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pub struct Node {
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/// Board for this node.
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pub board: board::Board,
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/// Create a new node for an empty board and a new game state.
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pub fn new() -> Node {
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Node {
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board: board::new_empty(),
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board: board::Board::new_empty(),
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game_state: rules::GameState::new(),
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}
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}
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impl fmt::Display for Node {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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let mut s = vec!();
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board::draw(&self.board, &mut s);
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self.board.draw(&mut s);
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let board_drawing = String::from_utf8_lossy(&s).to_string();
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write!(
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f,
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)
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}
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}
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impl PartialEq for Node {
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fn eq(&self, other: &Self) -> bool {
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self.board.iter().zip(other.board.iter()).all(|(a, b)| a == b)
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&& self.game_state == other.game_state
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}
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}
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impl Eq for Node {}
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impl Hash for Node {
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fn hash<H: Hasher>(&self, state: &mut H) {
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self.board.iter().for_each(|square| state.write_u8(*square));
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self.game_state.hash(state);
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}
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}
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