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#include <locale.h>
#include <ncurses.h>
#include <stdlib.h>
#include <stdbool.h>
#include "snake.h"
#define DEFAULT_WIDTH 30
#define DEFAULT_HEIGHT 25
/* draws the game map. Expects a window large enough to print the map */
static void draw(WINDOW *display, Map *map) {
werase(display);
box(display, 0, 0);
if (!map->fruit_eaten) {
mvwaddch(display, map->fruit.y, map->fruit.x, '*');
}
for (PointList *i = map->snake->tail; i != NULL; i = i->next) {
mvwaddch(display, i->point.y, i->point.x, '#');
}
wrefresh(display);
}
int main(int argc, char **argv) {
setlocale(LC_ALL, "");
initscr();
cbreak();
noecho();
nodelay(stdscr, true);
curs_set(0);
const unsigned short target_fps = 5;
bool quit = false;
Map *map;
if (argc == 3) {
unsigned int width = (unsigned int)strtol(argv[1], NULL, 10);
unsigned int height = (unsigned int)strtol(argv[2], NULL, 10);
map = create_map(width, height);
} else {
map = create_map(DEFAULT_WIDTH, DEFAULT_HEIGHT);
}
if (map == NULL) {
fprintf(stderr, "ERROR: Failed to allocate map");
endwin();
exit(1);
}
WINDOW *map_window = newwin(map->height, map->width, (LINES/2) - (map->height/2), (COLS/2) - (map->width/2));
draw(map_window, map);
while (!quit) {
int key;
/* Get Input */
key = getch();
switch(key) {
case 'w':
map->snake->moving_direction = NORTH;
break;
case 'a':
map->snake->moving_direction = WEST;
break;
case 's':
map->snake->moving_direction = SOUTH;
break;
case 'd':
map->snake->moving_direction = EAST;
break;
case 'q':
quit = true;
break;
}
/* Process game logic */
if (!move_snake(map)) {
nodelay(stdscr, false);
/* TODO: Proper game over logic */
clear();
mvprintw(0, 0, "Game Over");
getch();
quit = true;
}
/* Draw frame */
if (!quit) draw(map_window, map);
/* TODO: calculate a proper wait time */
napms((1.0f/(float)target_fps) * 1000);
}
free_map(map);
delwin(map_window);
endwin();
return 0;
}
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