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105 commits

Author SHA1 Message Date
Bruno BELANYI ef3a1e4695 Add half-move clock validation 2024-04-01 22:47:59 +01:00
Bruno BELANYI 2853cec7c9 Add tests for en-passant validation 2024-04-01 22:47:59 +01:00
Bruno BELANYI ff7bea0508 Validate en-passant square's rank in 'ChessBoard' 2024-04-01 22:47:59 +01:00
Bruno BELANYI 62c2be48c4 Move FEN-related tests to its module 2024-04-01 22:47:59 +01:00
Bruno BELANYI c3be661719 Move 'FromFen' for 'ChessBoard' into 'fen' module 2024-04-01 22:47:59 +01:00
Bruno BELANYI b9cc60be9c Use 'ChessBoardBuilder' in 'FromFen' 
This will allow taking this *out* of the module, now that we don't need
to reach into the internals of 'ChessBoard'.
 2024-04-01 22:47:59 +01:00
Bruno BELANYI 829362dbce Add 'From<InvalidError>' for 'FenError' 2024-04-01 22:47:59 +01:00
Bruno BELANYI a676094dc1 Use 'ChessBoardBuilder' in validation tests 
The various tests for overlapping can't be triggered with the builder
API, so those have stayed unchanged.
 2024-04-01 22:47:59 +01:00
Bruno BELANYI 1cf05b5f55 Add 'ChessBoardBuilder' 2024-04-01 22:20:39 +01:00
Bruno BELANYI 12909377e4 Use 'ChessBoard::validate' in tests 
This makes the test more explicit and exact in what they're testing.
 2024-04-01 22:20:39 +01:00
Bruno BELANYI 8173fa2ccd Fix 'ChessBoard' validation test 
It wasn't actually testing the right thing due to the typo...
 2024-04-01 22:20:39 +01:00
Bruno BELANYI 127dea25b4 Add validation error detail in 'FenError' 2024-04-01 22:20:39 +01:00
Bruno BELANYI 714feedbd2 Add 'ChessBoard::validate' 2024-04-01 22:20:39 +01:00
Bruno BELANYI d3386bcb52 Add 'chess_board::InvalidError' 2024-04-01 22:20:39 +01:00
Bruno BELANYI 463b2a1a8f Move 'ChessBoard' to its own sub-folder 2024-04-01 22:20:39 +01:00
Bruno BELANYI 46ff51552a Check all piece counts in 'ChessBoard::is_valid' 2024-04-01 22:20:39 +01:00
Bruno BELANYI 3fa56b36a4 Check for invalid pawns in 'ChessBoard::is_valid' 2024-04-01 22:20:39 +01:00
Bruno BELANYI 52772167a6 Pre-generate the magic bitboard seeds 
My naive RNG implementation takes about ~40 seconds to generate the
magic bitboards for both bishops and rooks (or ~1 second in release
mode).

If we pre-generate the seeds, we can instead make it ~instantaneous.

The self-modifying code is inspired by matklad [1].

[1]: https://matklad.github.io/2022/03/26/self-modifying-code.html
 2024-04-01 22:20:39 +01:00
Bruno BELANYI 9dea85054d Add 'ChessBoard::checkers' 2024-04-01 22:20:39 +01:00
Bruno BELANYI f582a76e70 Test for opponent being in check during validation 2024-04-01 22:20:39 +01:00
Bruno BELANYI 58d8743106 Use 'ChessBoard::occupancy' 2024-04-01 22:20:39 +01:00
Bruno BELANYI d9e4f16ec8 Add 'ChessBoard::occupancy' 2024-04-01 22:20:39 +01:00
Bruno BELANYI 08ce3787df Check kings' position in 'ChessBoard::is_valid' 2024-04-01 22:20:39 +01:00
Bruno BELANYI 6976c60fe6 Add 'TryInto<Square>' for 'Bitboard' 2024-04-01 22:20:39 +01:00
Bruno BELANYI bc67ee3e9a Test 'ChessBoard::{do,undo}_move' machinery 2024-04-01 22:20:39 +01:00
Bruno BELANYI c1419f0e44 Add FEN board parsing 
Unfortunately, given that I *don't* want to expose all the `ChessBoard`
fields to the rest of the crate, this implementation will have to live
alongside its module instead of inside `crate::fen`...
 2024-04-01 22:20:39 +01:00
Bruno BELANYI 3cd2601f07 Add 'ChessBoard::is_valid' 2024-04-01 22:20:39 +01:00
Bruno BELANYI ddcef6f9c0 Add 'FenError::InvalidPosition' variant 2024-04-01 22:20:39 +01:00
Bruno BELANYI c112ddc4cd Implement 'Default' for 'ChessBoard' 2024-04-01 22:20:39 +01:00
Bruno BELANYI ce3ebf05ee Add 'ChessBoard::{,un}do_move' 2024-04-01 22:20:39 +01:00
Bruno BELANYI d44461e35c Add 'ChessBoard' 2024-04-01 22:20:39 +01:00
Bruno BELANYI 64e93b39fd Add FEN castling rights parsing 2024-04-01 22:20:39 +01:00
Bruno BELANYI 7c896d5dba Add FEN piece type parsing 2024-04-01 22:20:39 +01:00
Bruno BELANYI b5365f8a82 Add FEN en-passant target square parsing 2024-04-01 22:20:39 +01:00
Bruno BELANYI 3c2a5a412e Add FEN side to move parsing 2024-04-01 22:20:39 +01:00
Bruno BELANYI bd662fdd27 Introduce 'FenError' enum 2024-04-01 22:20:39 +01:00
Bruno BELANYI 0fd9766db0 Add 'FromFen' trait 2024-04-01 22:20:39 +01:00
Bruno BELANYI 4d69d34fa0 Add 'Move' 2024-04-01 22:20:39 +01:00
Bruno BELANYI 0b9318cdf3 Add 'Bitboard::has_more_than_one' 2024-04-01 22:20:39 +01:00
Bruno BELANYI e673e20a63 Add 'Color::third_rank' 2024-04-01 22:20:39 +01:00
Bruno BELANYI 0cc1fcf912 Add 'CastleRights::with_{king,queen}_side' 2024-04-01 22:20:39 +01:00
Bruno BELANYI 072a1ea13c Add '*Assign' operators to 'Bitboard' 2024-04-01 22:20:39 +01:00
Bruno BELANYI 02768b6d96 Remove all useless 'allow(unused)' 2024-04-01 22:20:39 +01:00
Bruno BELANYI af421a9452 Tighten item visibilities 2024-04-01 22:20:39 +01:00
Bruno BELANYI 3b1735da79 Add 'BitboardIterator::new' 2024-04-01 22:20:39 +01:00
Bruno BELANYI 06087358de Add bitboard-based move generation 2024-04-01 22:20:39 +01:00
Bruno BELANYI 459b878342 Expose magic bitboard generation to parent module 2024-04-01 22:20:39 +01:00
Bruno BELANYI 2bdfbbf467 Add 'MagicMoves' 2024-04-01 22:20:39 +01:00
Bruno BELANYI d519cfb817 Make 'Magic' 'pub(crate)' 2024-04-01 22:20:39 +01:00
Bruno BELANYI 25494700d7 Add missing derives to 'Magic' 2024-04-01 22:20:39 +01:00