Mercurial > hg > terminal-chess / file comparison
comparison: src/chess/bishop.c
src/chess/bishop.c
- changeset 169
- 9962f5d98764
- parent 163
- 2a6d83f4677e
- child 170
- bde99d803caf
equal
deleted
inserted
replaced
| 168:663676cfef6e | 169:9962f5d98764 |
|---|---|
| 50 } | 50 } |
| 51 } | 51 } |
| 52 | 52 |
| 53 return false; | 53 return false; |
| 54 } | 54 } |
| 55 | |
| 56 size_t bishop_moves(GameState *gamestate, Color c, Row r, File f, Move *moves) { | |
| 57 | |
| 58 size_t count = 0; | |
| 59 const int directions[4][2] = { | |
| 60 { 1, 1}, | |
| 61 { 1, -1}, | |
| 62 {-1, 1}, | |
| 63 {-1, -1} | |
| 64 }; | |
| 65 | |
| 66 for (size_t i = 0 ; i < 4 ; i++) { | |
| 67 int row = r + directions[i][0]; | |
| 68 int file = f + directions[i][1]; | |
| 69 | |
| 70 while (isidx(row) && isidx(file)) { | |
| 71 moves[count] = (Move){0}; | |
| 72 moves[count].piece = mkpiece(BISHOP, c); | |
| 73 moves[count].fromrow = r; | |
| 74 moves[count].fromfile = f; | |
| 75 moves[count].torow = row; | |
| 76 moves[count].tofile = file; | |
| 77 moves[count].capture = piece_at(gamestate, row, file) != 0; | |
| 78 count++; | |
| 79 | |
| 80 row += directions[i][0]; | |
| 81 file += directions[i][1]; | |
| 82 } | |
| 83 } | |
| 84 | |
| 85 return count; | |
| 86 } |
