Code cleanup on the shot validation path
[Project_algorithmic_C.git] / src / main.c
1 #include <stdlib.h>
2 #include <stdio.h>
3 #include <string.h>
4 #include <ncurses.h>
5
6 #include "ui.h"
7 #include "othello.h"
8 #include "debug.h"
9
10 int main() {
11 int min_y = 26 + 6, min_x = 42 + 14 + 15 + 4;
12 int row = 0, col = 0;
13 unsigned int round = 0;
14 unsigned int player = player_one; /* first player is black */
15 bool exit_condition = false;
16 unsigned int nb_white = 0, nb_black = 0;
17
18 const char* title_msg = "Jeu Othello";
19 const char* score_msg = "Pions %s: %d";
20 const char* invalid_move_msg = "Coup invalide";
21 const char* player_msg = "Joueur %d (%s) joue !";
22 const char* winner_msg = "Joueur %d (%s) gagne !";
23 const char* draw_msg = "Egalite !";
24 const char* exit_msg = "Pressez une touche pour sortir ou \'r\' pour rejouer";
25
26 /* linked list of playable shots */
27 struct shots_list_s playable_shots;
28 INIT_LIST_HEAD(&playable_shots.list);
29
30 unsigned int pawns[board_size][board_size] = {
31 {0, 0},
32 {0, 0}
33 };
34 init_pawns(pawns);
35
36 initscr();
37 if (has_colors() == false) {
38 endwin();
39 printf("Votre terminal ne supporte pas les couleurs.\n");
40 exit(EXIT_FAILURE);
41 }
42 start_color();
43 getmaxyx(stdscr, row, col);
44 if (row < min_y || col < min_x) {
45 endwin();
46 printf("Votre terminal est trop petit pour afficher ce jeu.\n");
47 printf("Merci d'agrandir la fenetre de votre terminal.\n");
48 exit(EXIT_FAILURE);
49 }
50 echo();
51 curs_set(0);
52
53 /* center */
54 int center_y = row/2;
55 int center_x = col/2;
56 /* base coordinates to center the board */
57 int board_center_y = center_y - 26/2;
58 int board_center_x = center_x - 42/2;
59
60 do {
61 print_board(board_center_y, board_center_x);
62 print_pawns(board_center_y, board_center_x, pawns);
63
64 mvprintw(center_y - 26/2 - 4, (center_x - strlen(title_msg)/2), title_msg);
65
66 player = current_player(round);
67
68 if (player == player_one) {
69 mvprintw(center_y - 26/2 - 2, center_x - snprintf(NULL, 0, player_msg, player, "noir")/2, player_msg, player, "noir");
70 } else {
71 mvprintw(center_y - 26/2 - 2, center_x - snprintf(NULL, 0, player_msg, player, "blanc")/2, player_msg, player, "blanc");
72 }
73
74 nb_white = count_pawns_type(pawns, white);
75 nb_black = count_pawns_type(pawns, black);
76
77 mvprintw(center_y, center_x - 42/2 - snprintf(NULL, 0, score_msg, "noirs", nb_black) - 2, score_msg, "noirs", nb_black);
78 mvprintw(center_y, center_x + 42/2 + 2, score_msg, "blancs", nb_white);
79
80 build_playable_shots_list(player, &playable_shots, pawns);
81 print_shots_list(board_center_y, board_center_x, &playable_shots);
82
83 display_array(1, 1, pawns);
84
85 int y;
86 char x_char;
87 bool input_ok = false;
88 unsigned int nb_pawns_reversed = 0;
89 do {
90 y = 0;
91 x_char = (char)"";
92 const char* prompt_msg = "Prochain pion ? (ligne colonne - chiffre lettre):";
93 int prmt_rt = prompt_values(stdscr, center_y + 26/2 + 1, (center_x - strlen(prompt_msg)/2), prompt_msg, &y, &x_char);
94 int x = map_col_letter_to_index(x_char);
95 /* TODO: a comparaison to the linked list of playable shots is better */
96 if (is_legal_shot(y, x, player, pawns) && prmt_rt == 1) {
97 nb_pawns_reversed = valid_shot(y, x, player, pawns);
98 input_ok = true;
99 clear();
100 } else {
101 mvprintw(center_y + 26/2 + 4, (center_x - strlen(invalid_move_msg)/2), invalid_move_msg);
102 }
103 } while (!input_ok);
104
105 free_shots_list(&playable_shots);
106
107 round++; /* increment the round count */
108
109 /* here are all the end of the game conditions */
110 if (is_board_full(pawns)) {
111 print_board(board_center_y, board_center_x);
112 /* print the updated pawns before exiting */
113 print_pawns(board_center_y, board_center_x, pawns);
114 unsigned int winner = eval_winner(nb_white, nb_black);
115 if (winner != 0) {
116 if (winner == player_one) {
117 mvprintw(center_y - 26/2 - 2, center_x - snprintf(NULL, 0, winner_msg, winner, "noir")/2, winner_msg, winner, "noir");
118 } else {
119 mvprintw(center_y - 26/2 - 2, center_x - snprintf(NULL, 0, winner_msg, winner, "blanc")/2, winner_msg, winner, "blanc");
120 }
121 } else {
122 mvprintw(center_y - 26/2 - 2, (center_x - strlen(draw_msg)/2), draw_msg);
123 }
124 mvprintw(center_y + 26/2 + 1, (center_x - strlen(exit_msg)/2), exit_msg);
125 exit_condition = true;
126 /* getch() is blocking */
127 int key_exit = getch();
128 if (key_exit == 'r') {
129 round = 0;
130 player = player_one;
131 nb_white = nb_black = 0;
132 /* FIXME: do not seem properly reset the pawns 2D array */
133 init_pawns(pawns);
134 exit_condition = false;
135 clear();
136 }
137 }
138
139 refresh();
140
141 } while (!exit_condition);
142
143 endwin();
144
145 exit(EXIT_SUCCESS);
146 }