uint16_t rrand(char use_seed, uint32_t new_seed) {
// Pseudo-random number generator (LGC algorithm). Use instead of rand() to ensure portable predictability.
- static uint32_t seed = 0;
+ static uint32_t seed;
if (0 != use_seed)
seed = new_seed;
seed = ((seed * 1103515245) + 12345) % 2147483648; // Values as recommended by POSIX.1-2001 (see rand(3)).
width++;
resize_active_window (win_meta, height, width); } }
-struct Map init_map (uint32_t seed) {
+struct Map init_map () {
// Initialize map with some experimental start values.
- rrand(1, seed);
struct Map map;
map.width = 64;
map.height = 64;
update_log (world, "\nYou wait."); }
int main (int argc, char *argv[]) {
- uint32_t seed = time(NULL);
- int opt;
- while ((opt = getopt(argc, argv, "l")) != -1) {
- switch (opt) {
- case 'l':
- seed = load_seed();
- break;
- default:
- exit(EXIT_FAILURE); } }
+ uint32_t seed;
+ if (0 == access("seed", F_OK))
+ seed = load_seed();
+ else
+ seed = time(NULL);
+ rrand(1, seed);
struct World world;
init_keybindings(&world);
world.turn = 0;
world.log = calloc(1, sizeof(char));
update_log (&world, "Start!");
- struct Map map = init_map(seed);
+ struct Map map = init_map();
world.map = ↦
struct Player player;
player.y = 8;