diff options
| -rw-r--r-- | src/main/game/cell.c | 4 | ||||
| -rw-r--r-- | src/main/game/game.c | 70 | ||||
| -rw-r--r-- | src/main/game/game.h | 6 |
3 files changed, 60 insertions, 20 deletions
diff --git a/src/main/game/cell.c b/src/main/game/cell.c index cb56330..e8322ff 100644 --- a/src/main/game/cell.c +++ b/src/main/game/cell.c @@ -50,6 +50,8 @@ cell_new(float left, float right, float top, float bottom) cell->cx = (cell->right + cell->left) / 2; cell->cy = (cell->top + cell->bottom) / 2; + cell->sign = '\0'; + return cell; } @@ -82,4 +84,4 @@ void cell_set_sign(Cell *cell, char sign) { cell->sign = sign; -}
\ No newline at end of file +} diff --git a/src/main/game/game.c b/src/main/game/game.c index b813906..ee1a1b5 100644 --- a/src/main/game/game.c +++ b/src/main/game/game.c @@ -25,8 +25,26 @@ #include "cell.h" #include "../engine/ui/ui.h" -const char SIGN_CIRCLE = 'o'; -const char SIGN_CROSS = 'x'; +#define WIN_PATTERNS 8 + +static const char SIGN_CIRCLE = 'o'; +static const char SIGN_CROSS = 'x'; + +/* There are 8 lines to win: + * - 0, 1, 2 (horizontal) + * - 3, 4, 5 (horizontal) + * - 6, 7, 8 (horizontal) + * - 0, 3, 6 (vertical) + * - 1, 4, 7 (vertical) + * - 2, 5, 8 (vertical) + * - 0, 4, 8 (diagonal) + * - 2, 4, 6 (diagonal) + */ +static const int win_patterns[WIN_PATTERNS][3] = { + {0, 1, 2}, {3, 4, 5}, {6, 7, 8}, /* horizontal */ + {0, 3, 6}, {1, 4, 7}, {2, 5, 8}, /* vertical */ + {0, 4, 8}, {2, 4, 6} /* diagonal */ +}; static Log *log = NULL; @@ -41,6 +59,26 @@ static void game_draw_field(TrisGame *game, float box_size); static char game_next_sign(TrisGame *game); static void +check_win(TrisGame *game) +{ + /* The minimum number of moves to win the play */ + if (game->moves < 5) return; + + for (int i = 0; i < WIN_PATTERNS; i++) { + /* These are the indexes of every pattern */ + int i0 = win_patterns[i][0]; + int i1 = win_patterns[i][1]; + int i2 = win_patterns[i][2]; + + if (game->cells[i0]->sign != '\0' + && game->cells[i0]->sign == game->cells[i1]->sign + && game->cells[i1]->sign == game->cells[i2]->sign) { + printf("Win!\n"); + } + } +} + +static void draw_sign(TrisGame *game, Cell *cell) { float x = cell->cx; @@ -59,6 +97,7 @@ draw_sign(TrisGame *game, Cell *cell) } game->moves++; + check_win(game); } static void @@ -66,15 +105,13 @@ loop_cells(TrisGame *game, float x, float y) { init_log(); - list_node_t *current = game->cells->head; - do { - Cell *cell = current->data; + for (int i = 0; i < BOARD_SIZE; i++) { + Cell *cell = game->cells[i]; if (!cell_is_filled(cell) && cell_within_bounds(cell, x, y)) { draw_sign(game, cell); cell_set_filled(cell, true); } - current = current->next; - } while (current != NULL); + } } static void @@ -96,7 +133,6 @@ game_init(int width, int height) } game->width = width; game->height = height; - game->cells = list_create(); game->sign = SIGN_CIRCLE; game->moves = 0; @@ -139,19 +175,19 @@ game_draw_field(TrisGame *game, float box_size) float second_col = xmin + box_size * 2; /* First row */ - list_add(game->cells, cell_new(xmin, first_col, ymax, first_row)); - list_add(game->cells, cell_new(first_col, second_col, ymax, first_row)); - list_add(game->cells, cell_new(second_col, xmax, ymax, first_row)); + game->cells[0] = cell_new(xmin, first_col, ymax, first_row); + game->cells[1] = cell_new(first_col, second_col, ymax, first_row); + game->cells[2] = cell_new(second_col, xmax, ymax, first_row); /* Second row */ - list_add(game->cells, cell_new(xmin, first_col, first_row, second_row)); - list_add(game->cells, cell_new(first_col, second_col, first_row, second_row)); - list_add(game->cells, cell_new(second_col, xmax, first_row, second_row)); + game->cells[3] = cell_new(xmin, first_col, first_row, second_row); + game->cells[4] = cell_new(first_col, second_col, first_row, second_row); + game->cells[5] = cell_new(second_col, xmax, first_row, second_row); /* Third row */ - list_add(game->cells, cell_new(xmin, first_col, second_row, ymin)); - list_add(game->cells, cell_new(first_col, second_col, second_row, ymin)); - list_add(game->cells, cell_new(second_col, xmax, second_row, ymin)); + game->cells[6] = cell_new(xmin, first_col, second_row, ymin); + game->cells[7] = cell_new(first_col, second_col, second_row, ymin); + game->cells[8] = cell_new(second_col, xmax, second_row, ymin); } static char diff --git a/src/main/game/game.h b/src/main/game/game.h index 6b9231c..3d10bea 100644 --- a/src/main/game/game.h +++ b/src/main/game/game.h @@ -20,11 +20,13 @@ #ifndef __GAME_H__ #define __GAME_H__ -#include "../util/list.h" +#define BOARD_SIZE 9 + +#include "cell.h" typedef struct TrisGame { int width, height; - list_t *cells; + Cell *cells[BOARD_SIZE]; char sign; /* x = cross and o = circle */ int moves; } TrisGame; |