Mercurial > hg > terminal-chess / file comparison
comparison: src/chess/rules.c
src/chess/rules.c
- changeset 115
- 206201d544be
- parent 110
- e2bb03494d46
equal
deleted
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replaced
| 114:12df1b7c792f | 115:206201d544be |
|---|---|
| 631 } else { | 631 } else { |
| 632 return INVALID_POSITION; | 632 return INVALID_POSITION; |
| 633 } | 633 } |
| 634 } | 634 } |
| 635 | 635 |
| 636 int eval_move(GameState *gamestate, char *mstr, Move *move, uint8_t color) { | 636 static int eval_move1(char *mstr, Move *move, uint8_t color) { |
| 637 memset(move, 0, sizeof(Move)); | 637 memset(move, 0, sizeof(Move)); |
| 638 move->fromfile = POS_UNSPECIFIED; | 638 move->fromfile = POS_UNSPECIFIED; |
| 639 move->fromrow = POS_UNSPECIFIED; | 639 move->fromrow = POS_UNSPECIFIED; |
| 640 | 640 |
| 641 size_t len = strlen(mstr); | 641 size_t len = strlen(mstr); |
| 743 move->torow = rowidx(mstr[5]); | 743 move->torow = rowidx(mstr[5]); |
| 744 } | 744 } |
| 745 } | 745 } |
| 746 | 746 |
| 747 | 747 |
| 748 if (move->piece) { | 748 if (!move->piece) { |
| 749 if (move->piece == PAWN | 749 return INVALID_MOVE_SYNTAX; |
| 750 && move->torow == (color==WHITE?7:0) | 750 } |
| 751 && !move->promotion) { | 751 |
| 752 return NEED_PROMOTION; | 752 if (move->piece == PAWN |
| 753 } | 753 && move->torow == (color==WHITE?7:0) |
| 754 | 754 && !move->promotion) { |
| 755 move->piece |= color; | 755 return NEED_PROMOTION; |
| 756 } | |
| 757 | |
| 758 move->piece |= color; | |
| 759 | |
| 760 if (!chkidx_to(move)) { | |
| 761 return INVALID_POSITION; | |
| 762 } | |
| 763 | |
| 764 return VALID_MOVE_SYNTAX; | |
| 765 } | |
| 766 | |
| 767 int eval_move(GameState *gamestate, char *mstr, Move *move, uint8_t color) { | |
| 768 int result = eval_move1(mstr, move, color); | |
| 769 if (result == VALID_MOVE_SYNTAX) { | |
| 756 if (move->fromfile == POS_UNSPECIFIED | 770 if (move->fromfile == POS_UNSPECIFIED |
| 757 || move->fromrow == POS_UNSPECIFIED) { | 771 || move->fromrow == POS_UNSPECIFIED) { |
| 758 return getlocation(gamestate, move); | 772 return getlocation(gamestate, move); |
| 759 } else { | 773 } else if (!chkidx_from(move)) { |
| 760 return chkidx(move) ? VALID_MOVE_SYNTAX : INVALID_POSITION; | 774 return INVALID_POSITION; |
| 761 } | 775 } |
| 762 } else { | 776 } |
| 763 return INVALID_MOVE_SYNTAX; | 777 return result; |
| 764 } | 778 } |
| 779 | |
| 780 int check_move(char *mstr, uint8_t color) { | |
| 781 Move move; | |
| 782 return eval_move1(mstr, &move, color); | |
| 765 } | 783 } |
| 766 | 784 |
| 767 bool is_protected(GameState *gamestate, uint8_t row, uint8_t file, | 785 bool is_protected(GameState *gamestate, uint8_t row, uint8_t file, |
| 768 uint8_t color) { | 786 uint8_t color) { |
| 769 | 787 |
