dece
938fcde9fa
Move a lot of stuff around for better organisation and rewrite engine analysis / evaluation to be a bit more side agnostic.
20 lines
781 B
Rust
20 lines
781 B
Rust
//! Castling flags.
|
|
|
|
pub const CASTLING_WH_K: u8 = 0b00000001;
|
|
pub const CASTLING_WH_Q: u8 = 0b00000010;
|
|
pub const CASTLING_WH_MASK: u8 = 0b00000011;
|
|
pub const CASTLING_BL_K: u8 = 0b00000100;
|
|
pub const CASTLING_BL_Q: u8 = 0b00001000;
|
|
pub const CASTLING_BL_MASK: u8 = 0b00001100;
|
|
pub const CASTLING_K_MASK: u8 = 0b00000101;
|
|
pub const CASTLING_Q_MASK: u8 = 0b00001010;
|
|
pub const CASTLING_MASK: u8 = 0b00001111;
|
|
|
|
/// Castling sides parameters.
|
|
///
|
|
/// For both sides, the 3-uple contains files that should be empty
|
|
/// and not attacked, an optional file that should be empty for
|
|
/// queen-side, and the castling side-mask.
|
|
pub const CASTLING_SIDES: [([i8; 2], Option<i8>, u8); 2] =
|
|
[([5i8, 6i8], None, CASTLING_K_MASK), ([3i8, 2i8], Some(1i8), CASTLING_Q_MASK)];
|