Mercurial > hg > terminal-chess / file comparison
comparison: src/chess/king.c
src/chess/king.c
- changeset 98
- 9cb41383540f
- parent 80
- b980a7192b5a
equal
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inserted
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| 97:f87cad9445b4 | 98:9cb41383540f |
|---|---|
| 31 #include "king.h" | 31 #include "king.h" |
| 32 #include <stdlib.h> | 32 #include <stdlib.h> |
| 33 | 33 |
| 34 static bool king_castling_chkmoved(GameState *gamestate, | 34 static bool king_castling_chkmoved(GameState *gamestate, |
| 35 uint8_t row, uint8_t file) { | 35 uint8_t row, uint8_t file) { |
| 36 | 36 |
| 37 MoveList *ml = gamestate->movelist; | 37 for (unsigned i = 0; i < gamestate->movecount; i++) { |
| 38 while (ml) { | 38 if (gamestate->moves[i].fromfile == file |
| 39 if (ml->move.fromfile == file && ml->move.fromrow == row) { | 39 && gamestate->moves[i].fromrow == row) { |
| 40 return true; | 40 return true; |
| 41 } | 41 } |
| 42 ml = ml->next; | |
| 43 } | 42 } |
| 44 | 43 |
| 45 return false; | 44 return false; |
| 46 } | 45 } |
| 47 | 46 |
| 77 if (abs(move->tofile - move->fromfile) == 2) { | 76 if (abs(move->tofile - move->fromfile) == 2) { |
| 78 if (move->tofile == fileidx('c')) { | 77 if (move->tofile == fileidx('c')) { |
| 79 blocked |= gamestate->board[move->torow][fileidx('b')]; | 78 blocked |= gamestate->board[move->torow][fileidx('b')]; |
| 80 } | 79 } |
| 81 uint8_t midfile = (move->tofile+move->fromfile)/2; | 80 uint8_t midfile = (move->tofile+move->fromfile)/2; |
| 82 blocked |= gamestate->lastmove->move.check || | 81 blocked |= last_move(gamestate).check || |
| 83 gamestate->board[move->torow][midfile] || | 82 gamestate->board[move->torow][midfile] || |
| 84 is_covered(gamestate, move->torow, midfile, opponent_color); | 83 is_covered(gamestate, move->torow, midfile, opponent_color); |
| 85 } | 84 } |
| 86 | 85 |
| 87 return blocked; | 86 return blocked; |
