check if mines are active before spamming them to open

src/engine/workthreads/MineThread.java

@@ -36,17 +36,17 @@ public class MineThread  implements Runnable {
                 LocalDateTime openTime = LocalDateTime.now().withHour(mine.liveTime).withMinute(minute).withSecond(0);
                 LocalDateTime closeTime = openTime.plusMinutes(30);
 
-                if (now.isAfter(openTime)) {
+                if (now.isAfter(openTime) && !mine.isActive) {
                     mineWindowOpen(mine);
                     continue; // mine has not opened today yet, and it is now after the time it should have, open the mine
                 }
 
-                if(now.isAfter(closeTime) && BuildingManager.getBuilding(mine.getBuildingID()).getRank() == 1) {
+                if(now.isAfter(closeTime) && BuildingManager.getBuilding(mine.getBuildingID()).getRank() == 1 && mine.isActive) {
                     mineWindowClose(mine);
                     continue; // mine was never knocked down, close it
                 }
 
-                if(now.isAfter(closeTime) && mine.lastClaimer == null){
+                if(now.isAfter(closeTime) && mine.lastClaimer == null && mine.isActive){
                     if(mine.firstThirty){
                         mine.firstThirty = false;
                     }else{