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Always load seed file if it exists. Don't provide a default one.
[plomrogue]
/
roguelike.c
diff --git
a/roguelike.c
b/roguelike.c
index afe73cece0e22c0d5fdced77b306ec591a9d6e44..cba46ad44675453f749cf51d4a5f6acad68405fe 100644
(file)
--- a/
roguelike.c
+++ b/
roguelike.c
@@
-12,7
+12,7
@@
uint16_t rrand(char use_seed, uint32_t new_seed) {
// Pseudo-random number generator (LGC algorithm). Use instead of rand() to ensure portable predictability.
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)).
if (0 != use_seed)
seed = new_seed;
seed = ((seed * 1103515245) + 12345) % 2147483648; // Values as recommended by POSIX.1-2001 (see rand(3)).
@@
-69,7
+69,6
@@
void growshrink_active_window (struct WinMeta * win_meta, char change) {
struct Map init_map (uint32_t seed) {
// Initialize map with some experimental start values.
struct Map init_map (uint32_t seed) {
// Initialize map with some experimental start values.
- rrand(1, seed);
struct Map map;
map.width = 64;
map.height = 64;
struct Map map;
map.width = 64;
map.height = 64;
@@
-188,15
+187,12
@@
void player_wait (struct World * world) {
update_log (world, "\nYou wait."); }
int main (int argc, char *argv[]) {
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);
struct World world;
init_keybindings(&world);