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Make moves::castle::Parameters public

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Rename this struct CastlingParameters → Parameters
Implement getter methods for private properties
This commit is contained in:
Eryn Wells 2024-02-25 08:51:23 -08:00
parent b3e55f6dcd
commit b5d4069751
1 changed files with 40 additions and 10 deletions
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50
moves/src/castle.rs
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@ -1,7 +1,7 @@
// Eryn Wells <eryn@erynwells.me>
use chessfriend_bitboard::BitBoard;
use chessfriend_core::Square;
use chessfriend_core::{Color, Square};
#[repr(u8)]
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
@ -10,7 +10,7 @@ pub enum Castle {
QueenSide = 1,
}
pub(crate) struct CastlingParameters {
pub struct Parameters {
/// Origin squares of the king and rook.
origin_squares: Squares,
@ -24,19 +24,45 @@ pub(crate) struct CastlingParameters {
check_squares: BitBoard,
}
impl Parameters {
pub fn king_origin_square(&self) -> Square {
self.origin_squares.king
}
pub fn rook_origin_square(&self) -> Square {
self.origin_squares.rook
}
pub fn king_target_square(&self) -> Square {
self.target_squares.king
}
pub fn rook_target_square(&self) -> Square {
self.target_squares.rook
}
pub fn clear_squares(&self) -> &BitBoard {
&self.clear_squares
}
pub fn check_squares(&self) -> &BitBoard {
&self.check_squares
}
}
#[derive(Debug)]
pub(crate) struct Squares {
pub king: Square,
pub rook: Square,
struct Squares {
king: Square,
rook: Square,
}
impl Castle {
pub const ALL: [Castle; 2] = [Castle::KingSide, Castle::QueenSide];
/// Parameters for each castling move, organized by color and board-side.
const PARAMETERS: [[CastlingParameters; 2]; 2] = [
const PARAMETERS: [[Parameters; 2]; 2] = [
[
CastlingParameters {
Parameters {
origin_squares: Squares {
king: Square::E1,
rook: Square::H1,
@ -48,7 +74,7 @@ impl Castle {
clear_squares: BitBoard::new(0b01100000),
check_squares: BitBoard::new(0b01110000),
},
CastlingParameters {
Parameters {
origin_squares: Squares {
king: Square::E1,
rook: Square::A1,
@ -62,7 +88,7 @@ impl Castle {
},
],
[
CastlingParameters {
Parameters {
origin_squares: Squares {
king: Square::E8,
rook: Square::H8,
@ -74,7 +100,7 @@ impl Castle {
clear_squares: BitBoard::new(0b01100000 << 8 * 7),
check_squares: BitBoard::new(0b01110000 << 8 * 7),
},
CastlingParameters {
Parameters {
origin_squares: Squares {
king: Square::E8,
rook: Square::A8,
@ -88,4 +114,8 @@ impl Castle {
},
],
];
pub fn parameters(&self, color: Color) -> &'static Parameters {
&Castle::PARAMETERS[color as usize][*self as usize]
}
}