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#include <ncurses.h>
#include <string.h>
#include <stdarg.h>
#include "GameField.hpp"
#define NC_MOVE_X 2
#define NC_MOVE_Y 2
#define SYMBOL_PLAYERONE 'x'
#define SYMBOL_PLAYERTWO 'o'
const char app_name[] = "Let's play gomoku!";
const char app_tips[] = "R - restart game; ESC - exit";
enum keys {
key_restart = 'r',
key_escape = 27,
key_enter = 10
};
/* clui vars */
int screen_rows = 0, screen_cols = 0;
int min_y, max_y, min_x, max_x;
/* game vars */
GameField *game_field;
/* players vars */
int cursor_y, cursor_x;
char player_symbol;
/* command line options */
int gb_y = 3;
int gb_x = 3;
int gb_lwin = 3;
int gb_symbol = SYMBOL_PLAYERONE;
void updateCursor()
{
move(cursor_y, cursor_x);
refresh();
}
void dbgprint(const char *msg)
{
move(20, 0);
clrtoeol(); // clear old
mvprintw(20, 0, msg);
updateCursor(); // return cursor back
}
void help_print(const char *msg, ...)
{
move(max_y + 2, 0);
clrtoeol();
va_list args;
va_start(args, msg);
char *str = new char[screen_cols+1];
vsprintf(str, msg, args);
va_end(args);
mvprintw(max_y + 2, (screen_cols - strlen(str)) / 2, str);
updateCursor();
delete[] str;
}
void drawGame(int rows, int cols)
{
getmaxyx(stdscr, screen_rows, screen_cols);
int used_row = rows * NC_MOVE_Y - 1;
min_y = (screen_rows - used_row) / 2;
max_y = min_y + used_row - 1;
int used_col = cols * NC_MOVE_X - 1;
min_x = (screen_cols - used_col) / 2;
max_x = min_x + used_col - 1;
int i, j, d;
for(j = min_y, d = 0; j <= max_y; j++, d++) {
move(j, min_x);
if(d % 2 == 0) {
addch('#');
for(i = 1; i < cols; i++) {
addch('|');
addch('#');
}
}
else {
addch('-');
for(i = 1; i < cols; i++) {
addch('|');
addch('-');
}
}
}
mvprintw(min_y - 3, (screen_cols - strlen(app_name)) / 2, app_name);
mvprintw(min_y - 2, (screen_cols - strlen(app_tips)) / 2, app_tips);
help_print("MOVE: %c", SYMBOL_PLAYERONE);
cursor_y = min_y; // + (max_y - min_y) / NC_MOVE_Y;
cursor_x = min_x; // + (max_x - min_x) / NC_MOVE_X;
print_symbol = SYMBOL_PLAYERONE;
updateCursor();
}
void changePlayer()
{
if(player_symbol == SYMBOL_PLAYERONE)
player_symbol = SYMBOL_PLAYERTWO;
else
player_symbol = SYMBOL_PLAYERONE;
help_print("MOVE: %c", player_symbol);
}
void printMove(int y, int x, int symbol)
{
move(y, x);
addch(symbol);
updateCursor();
}
void gameMove()
{
int state = game_field->GetState();
if(state != G_NONE)
return;
int game_y = (cursor_y - min_y) / NC_MOVE_Y;
int game_x = (cursor_x - min_x) / NC_MOVE_X;
if(!game_field->CanMove(game_y, game_x)) {
dbgprint("yet 'x' or 'o'");
return;
}
game_field->Move(game_y, game_x);
printMove(cursor_y, cursor_x, player_symbol);
changePlayer();
state = game_field->GetState();
if(state == G_NONE) {
/* if play with AI:
ai move */
}
else if(state == G_DRAW)
help_print("DRAW!");
else if(state == G_XPLAYER)
help_print("WINNER: %c!", SYMBOL_PLAYERONE);
else if(state == G_OPLAYER)
help_print("WINNER: %c!", SYMBOL_PLAYERTWO);
}
void handleButtons()
{
int ch;
while((ch = getch()) != key_escape && ch != KEY_RESIZE)
{
switch(ch) {
case KEY_LEFT:
if(cursor_x > min_x) cursor_x -= NC_MOVE_X;
else dbgprint("left border");
break;
case KEY_DOWN:
if(cursor_y < max_y) cursor_y += NC_MOVE_Y;
else dbgprint("down border");
break;
case KEY_UP:
if(cursor_y > min_y) cursor_y -= NC_MOVE_Y;
else dbgprint("up border");
break;
case KEY_RIGHT:
if(cursor_x < max_x) cursor_x += NC_MOVE_X;
else dbgprint("right border");
break;
case key_enter: {
gameMove();
break;
}
case key_restart: {
delete game_field;
drawGame(gb_y, gb_x);
game_field = new GameField(gb_y, gb_x, gb_lwin);
// no break
}
default:
continue;
}
updateCursor();
}
}
int main(int argc, char *argv[])
{
/* ncurses settings */
initscr();
keypad(stdscr, TRUE);
noecho();
/* command line options */
/* ... */
game_field = new GameField(gb_y, gb_x, gb_lwin);
drawGame(gb_y, gb_x, gb_symbol);
drawGame(gb_y, gb_x);
handleButtons();
if(game_field)
delete game_field;
endwin();
return 0;
}
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