Fixed support score computation

Ensured that the experience level is checked before computing the support score. This change prevents negative or zero experience levels from affecting the score calculation.

MekHQ/src/mekhq/campaign/Campaign.java

@@ -156,14 +156,14 @@ public class Campaign implements ITechManager {
     // all three
     // OK now we have more, parts, personnel, forces, missions, and scenarios.
     // and more still - we're tracking DropShips and WarShips in a separate set so that we can assign units to transports
-    private Hangar units = new Hangar();
-    private Set<Unit> transportShips = new HashSet<>();
-    private Map<UUID, Person> personnel = new LinkedHashMap<>();
+    private final Hangar units = new Hangar();
+    private final Set<Unit> transportShips = new HashSet<>();
+    private final Map<UUID, Person> personnel = new LinkedHashMap<>();
     private Warehouse parts = new Warehouse();
-    private TreeMap<Integer, Force> forceIds = new TreeMap<>();
-    private TreeMap<Integer, Mission> missions = new TreeMap<>();
-    private TreeMap<Integer, Scenario> scenarios = new TreeMap<>();
-    private Map<UUID, List<Kill>> kills = new HashMap<>();
+    private final TreeMap<Integer, Force> forceIds = new TreeMap<>();
+    private final TreeMap<Integer, Mission> missions = new TreeMap<>();
+    private final TreeMap<Integer, Scenario> scenarios = new TreeMap<>();
+    private final Map<UUID, List<Kill>> kills = new HashMap<>();
 
     private transient final UnitNameTracker unitNameTracker = new UnitNameTracker();
 
@@ -179,8 +179,8 @@ public class Campaign implements ITechManager {
     // I need to put a basic game object in campaign so that I can
     // assign it to the entities, otherwise some entity methods may get NPE
     // if they try to call up game options
-    private Game game;
-    private Player player;
+    private final Game game;
+    private final Player player;
 
     private GameOptions gameOptions;
 
@@ -190,14 +190,14 @@ public class Campaign implements ITechManager {
 
     // hierarchically structured Force object to define TO&E
     private Force forces;
-    private Hashtable<Integer, Lance> lances; // AtB
+    private final Hashtable<Integer, Lance> lances; // AtB
 
     private Faction faction;
     private int techFactionCode;
     private String retainerEmployerCode; // AtB
     private RankSystem rankSystem;
 
-    private ArrayList<String> currentReport;
+    private final ArrayList<String> currentReport;
     private transient String currentReportHTML;
     private transient List<String> newReports;
 
@@ -219,11 +219,11 @@ public class Campaign implements ITechManager {
 
     private CurrentLocation location;
 
-    private News news;
+    private final News news;
 
-    private PartsStore partsStore;
+    private final PartsStore partsStore;
 
-    private List<String> customs;
+    private final List<String> customs;
 
     private CampaignOptions campaignOptions;
     private RandomSkillPreferences rskillPrefs = new RandomSkillPreferences();
@@ -251,7 +251,7 @@ public class Campaign implements ITechManager {
     private LocalDate shipSearchExpiration; //AtB
     private IUnitGenerator unitGenerator;
     private IUnitRating unitRating;
-    private CampaignSummary campaignSummary;
+    private final CampaignSummary campaignSummary;
     private final Quartermaster quartermaster;
     private StoryArc storyArc;
 
@@ -3497,12 +3497,22 @@ public void processNewDayPersonnel() {
                 int score = 0;
 
                 if (p.getPrimaryRole().isSupport(true)) {
-                    score =  Compute.d6(p.getExperienceLevel(this, false));
+                    int dice = p.getExperienceLevel(this, false);
+
+                    if (dice > 0) {
+                        score = Compute.d6(dice);
+                    }
+
                     multiplier += 0.5;
                 }
 
                 if (p.getSecondaryRole().isSupport(true)) {
-                    score += Compute.d6(p.getExperienceLevel(this, false));
+                    int dice = p.getExperienceLevel(this, true);
+
+                    if (dice > 0) {
+                        score += Compute.d6(dice);
+                    }
+
                     multiplier += 0.5;
                 } else if (p.getSecondaryRole().isNone()) {
                     multiplier += 0.5;