--- src/Terraria\Terraria.ID\MountID.cs
+++ src/tModLoader\Terraria.ID\MountID.cs
@@ -16,5 +_,21 @@
 		}
 
 		public const int Count = 15;
+
+		public const int Rudolph = 0;
+		public const int Bunny = 1;
+		public const int Pigron = 2;
+		public const int Slime = 3;
+		public const int Turtle = 4;
+		public const int Bee = 5;
+		public const int MineCart = 6;
+		public const int Ufo = 7;
+		public const int DrillContainmentUnit = 8;
+		public const int Scutlix = 9;
+		public const int Unicorn = 10;
+		public const int MineCartMech = 11;
+		public const int CuteFishron = 12;
+		public const int MineCartWood = 13;
+		public const int Basilisk = 14;
 	}
 }


--- src/Terraria\Terraria.ID\MountID.cs
+++ src/tModLoader\Terraria.ID\MountID.cs
@@ -15,6 +_,21 @@
 				});
 		}
 
-		public static int Count = 15;
+		public const int Count = 15;
+		public const int Rudolph = 0;
+		public const int Bunny = 1;
+		public const int Pigron = 2;
+		public const int Slime = 3;
+		public const int Turtle = 4;
+		public const int Bee = 5;
+		public const int MineCart = 6;
+		public const int Ufo = 7;
+		public const int DrillContainmentUnit = 8;
+		public const int Scutlix = 9;
+		public const int Unicorn = 10;
+		public const int MineCartMech = 11;
+		public const int CuteFishron = 12;
+		public const int MineCartWood = 13;
+		public const int Basilisk = 14;
 	}
 }


Fix PR 127 on my end
Fix PR 127 on my end
