commit 78304fecf875d2b34326ca840f2c3aa261b1e455
parent 788a1456afc598ca792c2cd11c181b0fd1bb14c9
Author: Martin Kloeckner <mjkloeckner@gmail.com>
Date: Sun, 31 Mar 2024 20:04:02 -0300
Add problem 12 (tictactoe) solution
Diffstat:
| A | guias/2/ej12.cpp | | | 217 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
1 file changed, 217 insertions(+), 0 deletions(-)
diff --git a/guias/2/ej12.cpp b/guias/2/ej12.cpp
@@ -0,0 +1,217 @@
+#include <iostream>
+#include <csignal>
+#include <termios.h>
+
+bool run_program, refresh_cursor;
+static struct termios default_attributes;
+static unsigned int tui_total_height;
+static int cursor_col, cursor_row, cursor_row_pre;
+char game_board[3][3]; // Por enunciado: matriz de punteros a char(?)
+
+void tui_set_input_mode (void) {
+ struct termios tattr;
+
+ if (!isatty(STDIN_FILENO)) {
+ std::cerr << "Not a terminal" << std::endl;
+ exit (EXIT_FAILURE);
+ }
+
+ tcgetattr(STDIN_FILENO, &default_attributes);
+ // std::cout << "\033[?25l"; // hide cursor
+
+ /* Set the terminal modes. */
+ tcgetattr(STDIN_FILENO, &tattr);
+ tattr.c_lflag &= ~(ICANON|ECHO); /* Clear ICANON and ECHO. */
+ tattr.c_cc[VMIN] = 1;
+ tattr.c_cc[VTIME] = 0;
+ tcsetattr(STDIN_FILENO, TCSAFLUSH, &tattr);
+}
+
+void tui_reset_input_mode (void) {
+ tcsetattr(STDIN_FILENO, TCSANOW, &default_attributes);
+ // std::cout << "\033[?25h"; // show cursor
+}
+
+void game_sig_handler(int signo) {
+ signal(signo, SIG_IGN);
+ if ((signo == SIGINT) || (signo == SIGQUIT)) {
+ run_program = false;
+ exit(0);
+ }
+}
+
+void game_clear_board(void) {
+ std::cout << "\033[" << (cursor_row_pre*2)+1 << "F\033[0K";
+ cursor_row_pre = cursor_row;
+}
+
+void game_print_board(void) {
+ std::cout << "┌───┬───┬───┐\n│ "
+ << game_board[0][0] << " │ "
+ << game_board[0][1] << " │ "
+ << game_board[0][2] << " │\n";
+
+ std::cout << "├───┼───┼───┤\n│ "
+ << game_board[1][0] << " │ "
+ << game_board[1][1] << " │ "
+ << game_board[1][2] << " │\n";
+
+ std::cout << "├───┼───┼───┤\n│ "
+ << game_board[2][0] << " │ "
+ << game_board[2][1] << " │ "
+ << game_board[2][2] << " │\n"
+ << "└───┴───┴───┘\n";
+ // std::cout << "┌───┬───┬───┐\n"
+ // << "│ · │ · │ · │\n"
+ // << "├───┼───┼───┤\n"
+ // << "│ · │ · │ · │\n"
+ // << "├───┼───┼───┤\n"
+ // << "│ · │ · │ · │\n"
+ // << "└───┴───┴───┘\n";
+}
+
+void game_board_set_cursor_deprecated(void) {
+ if(cursor_row != cursor_row_pre) {
+ if(cursor_row == 0) {
+ if(cursor_row_pre == 1)
+ std::cout << "\033[" << 2 << "A";
+ else
+ std::cout << "\033[" << 4 << "A";
+ }
+ else if((cursor_row == 2) && (cursor_row_pre == 0)) {
+ std::cout << "\033[" << 4 << "B";
+ }
+ else if(cursor_row > cursor_row_pre) {
+ std::cout << "\033[" << 2 << "B";
+ }
+ else if(cursor_row < cursor_row_pre) {
+ std::cout << "\033[" << 2 << "A";
+ }
+ cursor_row_pre = cursor_row;
+ }
+ std::cout << "\033[0G\033[" << (cursor_col*4)+2 << "C";
+}
+
+void game_board_set_cursor(void) {
+ if(cursor_row)
+ std::cout << "\033[" << cursor_row*2 << "B";
+
+ std::cout << "\033[0G\033[" << (cursor_col*4)+2 << "C";
+}
+
+void game_move_cursor_right(void) {
+ cursor_col = (cursor_col == 2) ? 0 : cursor_col + 1;
+}
+
+void game_move_cursor_left(void) {
+ cursor_col = (cursor_col > 0) ? cursor_col-1 : 2;
+}
+
+void game_move_cursor_up(void) {
+ cursor_row_pre = cursor_row;
+ cursor_row = (cursor_row > 0) ? cursor_row-1 : 2;
+}
+
+void game_move_cursor_down(void) {
+ cursor_row_pre = cursor_row;
+ cursor_row = ((cursor_row + 1) > 2) ? 0 : cursor_row+1;
+}
+
+void game_set_cross_at_cursor_pos(void) {
+ game_board[cursor_row][cursor_col] = 'X';
+}
+
+void game_redraw_board(void) {
+ game_clear_board();
+ game_print_board();
+ std::cout << "\033[" << tui_total_height-1 << "A";
+ game_board_set_cursor();
+}
+
+void game_tui_cleanup() {
+ tui_reset_input_mode();
+ game_clear_board();
+}
+
+void game_tui_setup() {
+ tui_set_input_mode();
+ signal(SIGINT, game_sig_handler);
+ signal(SIGQUIT, game_sig_handler);
+ signal(SIGTSTP, SIG_IGN);
+ atexit(game_tui_cleanup);
+ std::cout << "\033[4 q"; // Blinking block cursor
+}
+
+void game_initialize_board() {
+ for(size_t i = 0; i < 3; ++i) {
+ for(size_t j = 0; j < 3; ++j) {
+ game_board[i][j] = ' ';
+ }
+ }
+}
+
+
+void game_key_handler(void) {
+ char cmd;
+
+ std::cin.get(cmd);
+ switch(cmd) {
+ case 'w':
+ case 'k':
+ case 's':
+ case 'j':
+ break;
+ case 10: // Enter
+ case ' ':
+ game_set_cross_at_cursor_pos();
+ break;
+ case 'l':
+ case 'f':
+ break;
+ case 'q':
+ run_program = false;
+ break;
+ case 27: { // Escape codes (i.e. arrow keys)
+ std::cin.get(cmd); // skip '['
+ std::cin.get(cmd);
+ switch (cmd) {
+ case 'A': // up
+ game_move_cursor_up();
+ break;
+ case 'B': // down
+ game_move_cursor_down();
+ break;
+ case 'C': // right
+ game_move_cursor_right();
+ break;
+ case 'D': // left
+ game_move_cursor_left();
+ break;
+ }
+ break;
+ }
+ }
+}
+
+int main (void) {
+ run_program = true;
+ refresh_cursor = false;
+ tui_total_height = 7;
+ cursor_row = cursor_row_pre = cursor_col = 0;
+
+ game_tui_setup();
+
+ game_initialize_board();
+ game_print_board();
+ std::cout << "\033[" << tui_total_height-1 << "A";
+ std::cout << "\033[" << ((cursor_col*4)+2) << "C";
+
+ // game_board_set_cursor();
+
+ while(run_program) {
+ game_key_handler();
+ game_redraw_board();
+ }
+
+ return 0;
+}
