commit d9baf8652b8793f9924e69e311948ffa3fd3104b
parent 67b24b81821ab7a2f1b913a8fc6fcd6004ce3043
Author: mjkloeckner <martin.cachari@gmail.com>
Date: Sat, 27 Apr 2024 21:59:41 -0300
update `game_check_status` function
Diffstat:
| M | tictactoe.cpp | | | 127 | ++++++++++++++++++++++++++----------------------------------------------------- |
1 file changed, 42 insertions(+), 85 deletions(-)
diff --git a/tictactoe.cpp b/tictactoe.cpp
@@ -173,96 +173,53 @@ void game_initialize_board(void) {
}
void game_check_status(void) {
- char aux;
- size_t i, j, occ_x, occ_o;
+ char first;
+ size_t i, j, h, v, d, rd, white_space;
+
if(game_status != PLAYING)
return;
- // Horizontal line
- for(i = occ_x = occ_o = 0; i < 3; ++i) {
- aux = game_board[cursor_row][i];
- if(aux == 'X') {
- occ_x++;
- occ_o = 0;
- }
- else if (aux == 'O'){
- occ_x = 0;
- occ_o++;
- }
- else {
- occ_x = occ_o = 0;
- }
- }
- if ((occ_o == 3) || (occ_x == 3)) {
- game_status = WIN;
- }
-
- // Vertical line
- for(i = occ_x = occ_o = 0; i < 3; ++i) {
- aux = game_board[i][cursor_col];
- if(aux == 'X') {
- occ_x++;
- occ_o = 0;
- }
- else if (aux == 'O'){
- occ_x = 0;
- occ_o++;
- }
- else {
- occ_x = occ_o = 0;
- }
- }
- if ((occ_o == 3) || (occ_x == 3)) {
- game_status = WIN;
- }
-
- // Reverse diagonal line (\)
- for(i = occ_x = occ_o = 0; i < 3; ++i) {
- aux = game_board[i][i];
- if(aux == 'X') {
- occ_x++;
- occ_o = 0;
+ for(i = white_space = 0; i < 3; ++i) {
+ for(j = h = v = d = rd = 0; j < 3; ++j) {
+ if((first = game_board[i][0]) != ' ') { // horizontal (-)
+ if(game_board[i][j] == first) {
+ if((h++) == 2) {
+ game_status = WIN;
+ return;
+ }
+ }
+ }
+ if((first = game_board[0][i]) != ' ') { // vertical (|)
+ if(game_board[j][i] == first) {
+ if((v++) == 2) {
+ game_status = WIN;
+ return;
+ }
+ }
+ }
+ if((first = game_board[0][0]) != ' ') { // diagonal (/)
+ if(game_board[j][j] == first) {
+ if((d++) == 2) {
+ game_status = WIN;
+ return;
+ }
+ }
+ }
+ if((first = game_board[0][2]) != ' ') { // reverse diagonal (\)
+ if(game_board[2-j][j] == first) {
+ if((rd++) == 2) {
+ game_status = WIN;
+ return;
+ }
+ }
+ }
+ if(game_board[i][j] == ' ') {
+ white_space++;
+ }
}
- else if (aux == 'O'){
- occ_x = 0;
- occ_o++;
- }
- else {
- occ_x = occ_o = 0;
- }
- }
- if ((occ_o == 3) || (occ_x == 3)) {
- game_status = WIN;
- }
-
- // Forward diagonal line (/)
- for(i = occ_x = occ_o = 0; i < 3; ++i) {
- aux = game_board[2-i][i];
- if(aux == 'X') {
- occ_x++;
- occ_o = 0;
- }
- else if (aux == 'O'){
- occ_x = 0;
- occ_o++;
- }
- else {
- occ_x = occ_o = 0;
- }
- }
- if ((occ_o == 3) || (occ_x == 3)) {
- game_status = WIN;
- }
-
- if(game_status != WIN) {
- for(i = 0; i < 3; ++i)
- for(j = 0; j < 3; ++j)
- if(game_board[i][j] == ' ')
- return;
-
- if((i == j) && (i == 3))
- game_status = DRAFT;
}
+ if((i == 3) && (j == 3) && (white_space == 0))
+ game_status = DRAFT;
}
void game_key_handler(void) {
