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use bitboard::{BitBoard, EMPTY};
use square::Square;
use color::Color;
use rank::Rank;
use file::File;
include!(concat!(env!("OUT_DIR"), "/magic_gen.rs"));
pub fn get_bishop_rays(sq: Square) -> BitBoard {
unsafe {
*RAYS.get_unchecked(BISHOP).get_unchecked(sq.to_int() as usize)
}
}
pub fn get_rook_rays(sq: Square) -> BitBoard {
unsafe {
*RAYS.get_unchecked(ROOK).get_unchecked(sq.to_int() as usize)
}
}
pub fn get_rook_moves(sq: Square, blockers: BitBoard) -> BitBoard {
unsafe {
let magic: Magic = *MAGIC_NUMBERS.get_unchecked(ROOK).get_unchecked(sq.to_int() as usize);
*MOVES.get_unchecked((magic.offset as usize) + (magic.magic_number * (blockers & magic.mask)).to_size(magic.rightshift)) & get_rook_rays(sq)
}
}
pub fn get_bishop_moves(sq: Square, blockers: BitBoard) -> BitBoard {
unsafe {
let magic: Magic = *MAGIC_NUMBERS.get_unchecked(BISHOP).get_unchecked(sq.to_int() as usize);
*MOVES.get_unchecked((magic.offset as usize) + (magic.magic_number * (blockers & magic.mask)).to_size(magic.rightshift)) & get_bishop_rays(sq)
}
}
pub fn get_king_moves(sq: Square) -> BitBoard {
unsafe {
*KING_MOVES.get_unchecked(sq.to_index())
}
}
pub fn get_knight_moves(sq: Square) -> BitBoard {
unsafe {
*KNIGHT_MOVES.get_unchecked(sq.to_index())
}
}
pub fn get_pawn_attacks(sq: Square, color: Color, blockers: BitBoard) -> BitBoard {
unsafe {
*PAWN_ATTACKS.get_unchecked(color.to_index()).get_unchecked(sq.to_index()) & blockers
}
}
pub fn get_pawn_quiets(sq: Square, color: Color, blockers: BitBoard) -> BitBoard {
unsafe {
if (BitBoard::from_square(sq.uforward(color)) & blockers) != EMPTY {
EMPTY
} else {
*PAWN_MOVES.get_unchecked(color.to_index()).get_unchecked(sq.to_index()) & !blockers
}
}
}
pub fn get_pawn_moves(sq: Square, color: Color, blockers: BitBoard) -> BitBoard {
get_pawn_attacks(sq, color, blockers) ^ get_pawn_quiets(sq, color, blockers)
}
pub fn line(sq1: Square, sq2: Square) -> BitBoard {
unsafe {
*LINE.get_unchecked(sq1.to_index()).get_unchecked(sq2.to_index())
}
}
pub fn between(sq1: Square, sq2: Square) -> BitBoard {
unsafe {
*BETWEEN.get_unchecked(sq1.to_index()).get_unchecked(sq2.to_index())
}
}
pub fn get_rank(rank: Rank) -> BitBoard {
unsafe {
*RANKS.get_unchecked(rank.to_index())
}
}
pub fn get_file(file: File) -> BitBoard {
unsafe {
*FILES.get_unchecked(file.to_index())
}
}
pub fn get_adjacent_files(file: File) -> BitBoard {
unsafe {
*ADJACENT_FILES.get_unchecked(file.to_index())
}
}