27 lines
655 B
C
27 lines
655 B
C
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#include <stdbool.h> /* true, false, bool */
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#include <stddef.h> /* ptrdiff_t */
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#include <stdint.h> /* int32_t */
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/** Type representing piece/tile on a chessboard */
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typedef int32_t tile_t;
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/** Type representing index of a chessboard tile */
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typedef ptrdiff_t index_t;
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#define BOARD_SIZE ((index_t)(8 * 8))
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#define WHITE ((tile_t)1)
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#define BLACK ((tile_t)-1)
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#define E ((tile_t)0) ///< empty tile
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#define K ((tile_t)1) ///< king
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#define Q ((tile_t)2) ///< queen
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#define R ((tile_t)3) ///< rook
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#define B ((tile_t)4) ///< bishop
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#define N ((tile_t)5) ///< knight
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#define P ((tile_t)6) ///< pawn
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#define ROW ((index_t)8)
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#define COL ((index_t)1)
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