60 lines
1.0 KiB
C
60 lines
1.0 KiB
C
#ifndef __TYPES_H_INC
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#define __TYPES_H_INC
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enum Piece: byte {
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P_EMPTY = 0b0000,
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P_ANY = 0b1000,
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W_PAWN = 0b0001,
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W_KNGT = 0b0010,
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W_KING = 0b0011,
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W_BSHP = 0b0101,
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W_ROOK = 0b0110,
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W_QUEN = 0b0111,
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B_PAWN = 0b1001,
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B_KNGT = 0b1010,
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B_KING = 0b1011,
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B_BSHP = 0b1101,
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B_ROOK = 0b1110,
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B_QUEN = 0b1111,
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};
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#ifdef _ACF_FAST_PIECE
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Piece char_to_piece(char c) {
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switch(c) {
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case 'p': return W_PAWN;
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case 'n': return W_KNGT;
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case 'k': return W_KING;
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case 'b': return W_BSHP;
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case 'r': return W_ROOK;
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case 'q': return W_QUEN;
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case 'P': return B_PAWN;
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case 'N': return B_KNGT;
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case 'K': return B_KING;
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case 'B': return B_BSHP;
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case 'R': return B_ROOK;
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case 'Q': return B_QUEN;
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default: return P_EMPTY;
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}
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}
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#else // _ACF_FAST_PIECE
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const char CHAR_STRS[] PROGMEM = " pnkbrq PNKBRQ";
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Piece char_to_piece(char c) {
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for(byte i = 0; i < 0b1111; i++) {
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if(pgm_read_byte_near(CHAR_STRS + i) == c)
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return (Piece)i;
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}
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return P_EMPTY;
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}
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char piece_to_char(Piece p) {
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return CHAR_STRS[p];
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}
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#endif // _ACF_FAST_PIECE
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#endif
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