2048-cli/src/2048_rewrite.c

153 lines
3.5 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ncurses.h>
#include <termios.h>
#include <unistd.h>
#include "2048_engine.h"
#define ITER(x, expr)\
do {\
int i;\
for (i = 0; i < x; ++i) { expr; }\
} while (0)
#ifdef HAVE_CURSES
void drawstate_init(void)
{
initscr();
cbreak();
noecho();
curs_set(FALSE);
}
void drawstate_clear(void)
{
endwin();
}
void draw_screen(struct gamestate *g)
{
static WINDOW *gamewin;
static size_t wh;
static size_t ww;
if (!gamewin) {
wh = g->opts->grid_height * (g->print_width + 2) + 3;
ww = g->opts->grid_width * (g->print_width + 2) + 1;
gamewin = newwin(wh, ww, 1, 1);
keypad(gamewin, TRUE);
}
// mvwprintw will sometimes have a useless arg, this is warned, but doesn't affect the program
char *scr = g->score_last ? "SCORE: %d (+%d)\n" : "SCORE: %d\n";
mvwprintw(gamewin, 0, 0, scr, g->score, g->score_last);
mvwprintw(gamewin, 1, 0, "HISCR: %d\n", g->score_high);
ITER(g->opts->grid_width*(g->print_width + 2) + 1, waddch(gamewin, '-'));
int x, y, xps = 0, yps = 3;
for (y = 0; y < g->opts->grid_height; y++, xps = 0, yps++) {
mvwprintw(gamewin, yps, xps++, "|");
for (x = 0; x < g->opts->grid_width; x++) {
if (g->grid[x][y]) {
mvwprintw(gamewin, yps, xps, "%*d", g->print_width, g->grid[x][y]);
mvwprintw(gamewin, yps, xps + g->print_width, " |");
}
else {
ITER(g->print_width + 1, waddch(gamewin, ' '));
waddch(gamewin, '|');
}
xps += (g->print_width + 2);
}
}
ITER(g->opts->grid_height*(g->print_width + 2) + 1, waddch(gamewin, '-'));
wrefresh(gamewin);
}
int get_keypress(void)
{
return getch();
}
#elif VT100_COMPATIBLE
#else
struct termios sattr;
void drawstate_clear()
{
tcsetattr(STDIN_FILENO, TCSANOW, &sattr);
}
void drawstate_init(void)
{
tcgetattr(STDIN_FILENO, &sattr);
/* alters terminal stdin to not echo and doesn't need \n before reading getchar */
struct termios tattr;
tcgetattr(STDIN_FILENO, &tattr);
tattr.c_lflag &= ~(ICANON | ECHO);
tcsetattr(STDOUT_FILENO, TCSANOW, &tattr);
}
void draw_screen(struct gamestate *g)
{
printf("HISCORE: %ld |", g->score_high);
printf("| SCORE: %ld ", g->score);
if (g->score_last) printf("(+%ld)", g->score_last);
printf("\n");
// alter this grid_size + 1 to match abitrary grid size
ITER(g->opts->grid_width, printf("------"));
printf("-\n");
int x, y;
for (y = 0; y < g->opts->grid_height; y++) {
printf("|");
for (x = 0; x < g->opts->grid_width; x++) {
if (g->grid[x][y])
printf("%*ld |", 4, g->grid[x][y]);
else
printf(" |");
}
printf("\n");
}
ITER(g->opts->grid_width, printf("------"));
printf("-\n\n");
}
int get_keypress(void)
{
return fgetc(stdin);
}
#endif
int main(int argc, char **argv)
{
struct gamestate *g = gamestate_init(gameoptions_default());
drawstate_init();
while (1) {
draw_screen(g);
/* abstract getting keypress */
int ch;
do {
ch = get_keypress();
if (ch == 'q') { goto endloop; }
} while (strchr("hjkl", ch) == NULL);
gamestate_tick(g, ch, NULL);
if (!moves_available(g)) {
printf("You lose\n");
break;
}
}
endloop:
drawstate_clear();
gamestate_clear(g);
return 0;
}