Code cleanup on the shot validation path
[Project_algorithmic_C.git] / src / main.c
index 6a56eed094f9393d6c8a598af3873e370a6b7f52..3ed7991b2229685cdc40c975a1937b38f3709f32 100644 (file)
@@ -15,14 +15,23 @@ int main() {
     bool exit_condition = false;
     unsigned int nb_white = 0, nb_black = 0;
 
-    char* title_msg = "Jeu Othello";
-    char* score_msg = "Pions %s: %d";
-    char* player_msg = "Joueur %d (%s) joue !";
-    char* winner_msg = "Joueur %d (%s) gagne !";
-    char* draw_msg = "Egalite !";
-
-    unsigned int pawns[board_size][board_size] = {{}};
-    pawns[board_size][board_size] = init_pawns(pawns);
+    const char* title_msg = "Jeu Othello";
+    const char* score_msg = "Pions %s: %d";
+    const char* invalid_move_msg = "Coup invalide";
+    const char* player_msg = "Joueur %d (%s) joue !";
+    const char* winner_msg = "Joueur %d (%s) gagne !";
+    const char* draw_msg = "Egalite !";
+    const char* exit_msg = "Pressez une touche pour sortir ou \'r\' pour rejouer";
+
+    /* linked list of playable shots */
+    struct shots_list_s playable_shots;
+    INIT_LIST_HEAD(&playable_shots.list);
+
+    unsigned int pawns[board_size][board_size] = {
+        {0, 0},
+        {0, 0}
+    };
+    init_pawns(pawns);
 
     initscr();
     if (has_colors() == false) {
@@ -34,11 +43,10 @@ int main() {
     getmaxyx(stdscr, row, col);
     if (row < min_y || col < min_x) {
         endwin();
-        printf("Votre terminal est trop petit pour afficher le jeu.\n");
+        printf("Votre terminal est trop petit pour afficher ce jeu.\n");
         printf("Merci d'agrandir la fenetre de votre terminal.\n");
         exit(EXIT_FAILURE);
     }
-    /* FIXME: fail if the screen size is too small */
     echo();
     curs_set(0);
 
@@ -63,54 +71,75 @@ int main() {
             mvprintw(center_y - 26/2 - 2, center_x - snprintf(NULL, 0, player_msg, player, "blanc")/2, player_msg, player, "blanc");
         }
 
-        nb_white = count_pawn_type(pawns, white);
-        nb_black = count_pawn_type(pawns, black);
-        
+        nb_white = count_pawns_type(pawns, white);
+        nb_black = count_pawns_type(pawns, black);
+
         mvprintw(center_y, center_x - 42/2 - snprintf(NULL, 0, score_msg, "noirs", nb_black) - 2, score_msg, "noirs", nb_black);
         mvprintw(center_y, center_x + 42/2 + 2, score_msg, "blancs", nb_white);
 
+        build_playable_shots_list(player, &playable_shots, pawns);
+        print_shots_list(board_center_y, board_center_x, &playable_shots);
+
+        display_array(1, 1, pawns);
+
         int y;
-        char x;
+        char x_char;
         bool input_ok = false;
+        unsigned int nb_pawns_reversed = 0;
         do {
             y = 0;
-            x = (char)"";
-            char* prompt_msg = "Prochain pion ? (ligne colonne - chiffre lettre):";
-            int prmt_rt = prompt_values(stdscr, center_y + 26/2 + 1, center_x - strlen(prompt_msg)/2, prompt_msg, &y, &x);
-            if (is_valid_input(y, map_col_letter_to_index(x), pawns) && prmt_rt == 1) {
+            x_char = (char)"";
+            const char* prompt_msg = "Prochain pion ? (ligne colonne - chiffre lettre):";
+            int prmt_rt = prompt_values(stdscr, center_y + 26/2 + 1, (center_x - strlen(prompt_msg)/2), prompt_msg, &y, &x_char);
+            int x = map_col_letter_to_index(x_char);
+            /* TODO: a comparaison to the linked list of playable shots is better */
+            if (is_legal_shot(y, x, player, pawns) && prmt_rt == 1) {
+                nb_pawns_reversed = valid_shot(y, x, player, pawns);
                 input_ok = true;
+                clear();
+            } else {
+                mvprintw(center_y + 26/2 + 4, (center_x - strlen(invalid_move_msg)/2), invalid_move_msg);
             }
         } while (!input_ok);
-        pawns[board_size][board_size] = set_pawn(y, map_col_letter_to_index(x), player, pawns);
-        struct shots_history_list_s shots_history;
-        INIT_LIST_HEAD(&shots_history.list);
-        struct shots_history_list_s shots_elmt; 
-        shots_elmt.pawn_array_member = &pawns[y-1][x-1];
-        list_add(&shots_elmt.list, &shots_history.list);
 
-        round++; /* increment the round count */
+        free_shots_list(&playable_shots);
 
-        refresh();
+        round++; /* increment the round count */
 
         /* here are all the end of the game conditions */
-        //if (is_board_full(pawns) || (round == 60)) {
         if (is_board_full(pawns)) {
-            int winner = eval_winner(nb_white, nb_black);
+            print_board(board_center_y, board_center_x);
+            /* print the updated pawns before exiting */
+            print_pawns(board_center_y, board_center_x, pawns);
+            unsigned int winner = eval_winner(nb_white, nb_black);
             if (winner != 0) {
                 if (winner == player_one) {
-                    mvprintw(center_y - 26/2 - 2, center_x - snprintf(NULL, 0, winner_msg, winner, "noir"), winner_msg, winner, "noir");
+                    mvprintw(center_y - 26/2 - 2, center_x - snprintf(NULL, 0, winner_msg, winner, "noir")/2, winner_msg, winner, "noir");
                 } else {
-                    mvprintw(center_y - 26/2 - 2, center_x - snprintf(NULL, 0, winner_msg, winner, "blanc"), winner_msg, winner, "blanc");
+                    mvprintw(center_y - 26/2 - 2, center_x - snprintf(NULL, 0, winner_msg, winner, "blanc")/2, winner_msg, winner, "blanc");
                 }
             } else {
                 mvprintw(center_y - 26/2 - 2, (center_x - strlen(draw_msg)/2), draw_msg);
             }
-            /* print and implement restart possibility */
+            mvprintw(center_y + 26/2 + 1, (center_x - strlen(exit_msg)/2), exit_msg);
             exit_condition = true;
+            /*  getch() is blocking */
+            int key_exit = getch();
+            if (key_exit == 'r') {
+                round = 0;
+                player = player_one;
+                nb_white = nb_black = 0;
+                /* FIXME: do not seem properly reset the pawns 2D array */
+                init_pawns(pawns);
+                exit_condition = false;
+                clear();
+            }
         }
 
+        refresh();
+
     } while (!exit_condition);
-    
+
     endwin();
 
     exit(EXIT_SUCCESS);