zerg mechanic overhaul

src/engine/gameManager/ZergManager.java

@@ -234,12 +234,12 @@ public class ZergManager {
 
     public static float getReducedZergMultiplier(PlayerCharacter source, PlayerCharacter target){
         if(source.ZergMultiplier == 0.0f) {
-            if(Mine.getMine(source.mineAppliedID)._playerMemory.contains(source.getObjectUUID()) == false ){
+            if(Mine.getMine(source.mineAppliedID) != null && Mine.getMine(source.mineAppliedID)._playerMemory.contains(source.getObjectUUID()) == false ){
                 source.ZergMultiplier = 1.0f;
             }
         }
         if(target.ZergMultiplier == 0.0f) {
-            if(Mine.getMine(source.mineAppliedID)._playerMemory.contains(target.getObjectUUID()) == false){
+            if(Mine.getMine(target.mineAppliedID) != null && Mine.getMine(target.mineAppliedID)._playerMemory.contains(target.getObjectUUID()) == false){
                 target.ZergMultiplier = 1.0f;
             }
         }

src/engine/objects/Mine.java

@@ -776,6 +776,7 @@ public class Mine extends AbstractGameObject {
             }
         }
         for(Integer id : purge){
+            PlayerCharacter.getPlayerCharacter(id).mineAppliedID = 0;
             _recentMemory.remove(id);
         }
         if(toRemove.isEmpty()){