Resizing Genes now trigger on 20th Birthday Earliest, Fixes #11

Source/Genes/GenitaliaSize/Gene_GenitaliaResizingGene.cs

@@ -0,0 +1,49 @@
+namespace RJW_Genes
+{
+    /// <summary>
+    /// Parent Gene for Genitalia Resizing. All Resizing genes should inherit for this class. 
+    /// 
+    /// This helps with some functions (e.g. "hasGenitaliaResizingGenes(pawn)") but also to fire genitalia resizing later in life for Pawns. 
+    /// (No Children with huge ding dongs, and I don't want kids with tight anuses I am not that degenerate)
+    /// </summary>
+    public abstract class Gene_GenitaliaResizingGene : RJW_Gene
+    {
+
+        public const int RESIZING_AGE = 20;
+        public bool WasApplied { get; set; }
+
+        public override void PostMake()
+        {
+            base.PostMake();
+            if (pawn.ageTracker.AgeBiologicalYears >= RESIZING_AGE)
+            {
+                Resize();
+                WasApplied = true;
+            }
+        }
+
+        public override void PostAdd()
+        {
+            base.PostAdd();
+            if (pawn.ageTracker.AgeBiologicalYears >= RESIZING_AGE)
+            {
+                Resize();
+                WasApplied = true;
+            }
+        }
+
+        /// <summary>
+        /// Used to resize the pawns genitalia. 
+        /// All Logic should be put here: 
+        /// 1. Filters for Gender
+        /// 2. Filters for Genitalia Existance
+        /// 3. Selection of right Genitalia 
+        /// 4. Adjustment of Size
+        /// 
+        /// I kept it intentionally broad, so that e.g. the Penis Resize can resize multiple penises and also for futas, 
+        /// while the breast-gene is female only. 
+        /// </summary>
+        public abstract void Resize();
+
+    }
+}