| 1 | /* ncurses-minesweeper Copyright (c) 2020 Joshua 'joshuas3' Stockin |
| 2 | * <https://joshstock.in> |
| 3 | * <https://github.com/JoshuaS3/ncurses-minesweeper> |
| 4 | * |
| 5 | * This software is licensed and distributed under the terms of the MIT License. |
| 6 | * See the MIT License in the LICENSE file of this project's root folder. |
| 7 | * |
| 8 | * This comment block and its contents, including this disclaimer, MUST be |
| 9 | * preserved in all copies or distributions of this software's source. |
| 10 | */ |
| 11 |
|
| 12 | #include <ncurses.h> |
| 13 | #include <stdlib.h> |
| 14 |
|
| 15 | #include "../state.h" |
| 16 | #include "kaboom.h" |
| 17 | #include "nearest_cells.h" |
| 18 | #include "new.h" |
| 19 |
|
| 20 | void open_cell(game_board *board) { |
| 21 | if (board->status == Waiting) { // game hasn't been started |
| 22 | begin_game(board); // start new game at this position (generates new board) |
| 23 | } else if (board->status == Playing) { // in play |
| 24 | game_board_cell *cell = &board->cells[board->current_cell]; |
| 25 | if (!cell->flagged) { // not flagged |
| 26 | if (!cell->opened) { |
| 27 | cell->opened = 1; |
| 28 | if (cell->is_bomb) { |
| 29 | kaboom(board); |
| 30 | } else if (!cell->surrounding_bomb_count) // not a bomb |
| 31 | // no surrounding bombs -> open all surrounding cells |
| 32 | recursively_open_nearby_cells(board, board->current_cell); |
| 33 | } else { // cell is already opened. check if # of surrounding flags == cell # |
| 34 | // count surrounding flags |
| 35 | int16_t *close_cells = list_nearby_cells(board, board->current_cell); |
| 36 | int flag_count = 0; |
| 37 | for (int i = 0; i < 9; i++) { |
| 38 | int16_t close_cell = close_cells[i]; |
| 39 | if (close_cell != board->current_cell && board->cells[close_cell].flagged) flag_count++; |
| 40 | } |
| 41 | free(close_cells); |
| 42 | // if # of surrounding flags == cell #, recursively open others |
| 43 | if (flag_count == cell->surrounding_bomb_count) { |
| 44 | recursively_open_nearby_cells(board, board->current_cell); |
| 45 | } |
| 46 | } |
| 47 | } |
| 48 | } else |
| 49 | beep(); |
| 50 | } |
| 51 |
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Index