Added generic DefModExtension for Distance and Ticks

Source/Common/Defs/ModExtensionHelper.cs

@@ -0,0 +1,48 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Verse;
+
+namespace RJW_Genes
+{
+    internal class ModExtensionHelper
+    {
+
+        public static int GetDistanceFromModExtension(GeneDef defOf, int fallback)
+        {
+            DistanceExtension distanceExt = defOf.GetModExtension<DistanceExtension>();
+
+            int potentialDistance = distanceExt?.Distance ?? fallback;
+
+            if (potentialDistance > 0)
+            {
+                return potentialDistance;
+            } else {
+                ModLog.Warning($"Retrieved a bad distance ({potentialDistance}) reading the RJW_Genes.DistanceExtension for {defOf.defName}");    
+                return 1; 
+            }
+        }
+
+
+        public static int GetTickIntervalFromModExtension(GeneDef defOf, int fallback)
+        {
+            TickIntervalExtension tickExt = defOf.GetModExtension<TickIntervalExtension>();
+
+            int potentialTickInterval = tickExt?.tickInterval ?? fallback;
+
+            if (potentialTickInterval > 0)
+            {
+                return potentialTickInterval;
+            }
+            else
+            {
+                ModLog.Warning($"Retrieved a bad distance ({potentialTickInterval}) reading the RJW_Genes.DistanceExtension for {defOf.defName}");
+                return 1;
+            }
+        }
+
+
+    }
+}