Update GetFeatRemainingUses/GetFeatTotalUses to reflect NwScript API. (#847)

Author: jhett12321

NWN.Anvil/src/main/API/Objects/NwCreature.cs

@@ -1765,20 +1765,42 @@ public int GetFeatGainLevel(NwFeat feat)
     /// Gets the remaining uses available for the specified feat.
     /// </summary>
     /// <param name="feat">The feat to query.</param>
-    /// <returns>The amount of remaining uses.</returns>
-    public byte GetFeatRemainingUses(NwFeat feat)
+    /// <returns>The amount of remaining uses. If the feat has unlimited uses, returns int.MaxValue.</returns>
+    public int GetFeatRemainingUses(NwFeat feat)
     {
-      return Creature.m_pStats.GetFeatRemainingUses(feat.Id);
+      const int featUsePerDayUnlimited = 100;
+
+      CNWSCreatureStats? creatureStats = creature.m_pStats;
+      ushort sourceFeat = creature.m_pStats.GetHighestLevelOfFeat(feat.Id);
+
+      int retVal = 0;
+      if (sourceFeat != ushort.MaxValue && creatureStats.HasFeat(sourceFeat).ToBool())
+      {
+        retVal = creatureStats.GetFeatRemainingUses(sourceFeat);
+      }
+
+      return retVal == featUsePerDayUnlimited ? int.MaxValue : retVal;
     }
 
     /// <summary>
     /// Gets the max/total amount of times the specified feat can be used.
     /// </summary>
     /// <param name="feat">The feat to query.</param>
-    /// <returns>The amount of remaining uses.</returns>
-    public byte GetFeatTotalUses(NwFeat feat)
+    /// <returns>The total feat uses. If the feat has unlimited uses, returns int.MaxValue.</returns>
+    public int GetFeatTotalUses(NwFeat feat)
     {
-      return Creature.m_pStats.GetFeatTotalUses(feat.Id);
+      const int featUsePerDayUnlimited = 100;
+
+      CNWSCreatureStats? creatureStats = creature.m_pStats;
+      ushort sourceFeat = creature.m_pStats.GetHighestLevelOfFeat(feat.Id);
+
+      int retVal = 0;
+      if (sourceFeat != ushort.MaxValue && creatureStats.HasFeat(sourceFeat).ToBool())
+      {
+        retVal = creatureStats.GetFeatTotalUses(sourceFeat);
+      }
+
+      return retVal == featUsePerDayUnlimited ? int.MaxValue : retVal;
     }
 
     /// <summary>