Public calculate_dtime function

[dungeon_game.git] / plugins / game / game.c

diff --git a/plugins/game/game.c b/plugins/game/game.c
index 5d5c31ae6f98fa8f210a163e5c0f7164a43405d0..152a5c97200e75578a3139877929e6b03277fa75 100644 (file)
--- a/plugins/game/game.c
+++ b/plugins/game/game.c
@@ -3,7 +3,6 @@
 #include <unistd.h>
 #include <assert.h>
 #include <ctype.h>
-#include <time.h>
 #include <signal.h>
 #include <termios.h>
 #include <math.h>
@@ -125,6 +124,11 @@ void *make_buffer(void *ptr, size_t size)
        return buf;
 }
 
+double calculate_dtime(struct timespec from, struct timespec to)
+{
+       return (double) (to.tv_sec - from.tv_sec) + (double) (to.tv_nsec - from.tv_nsec) / 1000000000.0;
+}
+
 /* Game-related utility functions */
 
 void quit()
@@ -517,7 +521,7 @@ void game()
 
        while (running) {
                clock_gettime(CLOCK_REALTIME, &ts);
-               double dtime = (double) (ts.tv_sec - ts_old.tv_sec) + (double) (ts.tv_nsec - ts_old.tv_nsec) / 1000000000.0;
+               double dtime = calculate_dtime(ts_old, ts);
                ts_old = ts;
 
                bool dead = player_dead();