Fix LaufbauState

Signed-off-by: yoyosource <yoyosource@nidido.de>

BauSystem_Main/src/de/steamwar/bausystem/features/slaves/laufbau/states/LaufbauState.java

@@ -36,6 +36,13 @@ public interface LaufbauState {
     default String eta(Player p, long start, int done, int total) {
         if (total == 0) return "";
         long elapsed = System.currentTimeMillis() - start;
-        return LocalTime.ofNanoOfDay((long) (elapsed / (done / (double) total) - elapsed) * 1000000).format(DateTimeFormatter.ofPattern(BauSystem.MESSAGE.parse("TIME", p)));
+        long eta = (long) (elapsed / (done / (double) total) - elapsed);
+        if (eta > 86399999999999L) {
+            return LocalTime.ofNanoOfDay(86399999999999L).format(DateTimeFormatter.ofPattern(BauSystem.MESSAGE.parse("TIME", p)));
+        }
+        if (eta < 0) {
+            return LocalTime.ofNanoOfDay(0).format(DateTimeFormatter.ofPattern(BauSystem.MESSAGE.parse("TIME", p)));
+        }
+        return LocalTime.ofNanoOfDay(eta * 1000000).format(DateTimeFormatter.ofPattern(BauSystem.MESSAGE.parse("TIME", p)));
     }
 }