Mercurial > hg > terminal-chess / file comparison
comparison: src/chess/queen.c
src/chess/queen.c
- changeset 169
- 9962f5d98764
- parent 163
- 2a6d83f4677e
- child 170
- bde99d803caf
equal
deleted
inserted
replaced
| 168:663676cfef6e | 169:9962f5d98764 |
|---|---|
| 41 return rook_isblocked(gamestate, move); | 41 return rook_isblocked(gamestate, move); |
| 42 } else { | 42 } else { |
| 43 return bishop_isblocked(gamestate, move); | 43 return bishop_isblocked(gamestate, move); |
| 44 } | 44 } |
| 45 } | 45 } |
| 46 | |
| 47 size_t queen_moves(GameState *gamestate, Color c, Row r, File f, Move *moves) { | |
| 48 size_t count = 0; | |
| 49 const int directions[8][2] = { | |
| 50 { 1, 0}, | |
| 51 {-1, 0}, | |
| 52 { 0, 1}, | |
| 53 { 0, -1}, | |
| 54 { 1, 1}, | |
| 55 { 1, -1}, | |
| 56 {-1, 1}, | |
| 57 {-1, -1} | |
| 58 }; | |
| 59 | |
| 60 for (size_t i = 0 ; i < 8 ; i++) { | |
| 61 int row = r + directions[i][0]; | |
| 62 int file = f + directions[i][1]; | |
| 63 | |
| 64 while (isidx(row) && isidx(file)) { | |
| 65 moves[count] = (Move){0}; | |
| 66 moves[count].piece = mkpiece(QUEEN, c); | |
| 67 moves[count].fromrow = r; | |
| 68 moves[count].fromfile = f; | |
| 69 moves[count].torow = row; | |
| 70 moves[count].tofile = file; | |
| 71 moves[count].capture = piece_at(gamestate, row, file) != 0; | |
| 72 count++; | |
| 73 | |
| 74 row += directions[i][0]; | |
| 75 file += directions[i][1]; | |
| 76 } | |
| 77 } | |
| 78 | |
| 79 return count; | |
| 80 } |
