Fix LatestBlockID

GamecraftModdingAPI/Blocks/BlockIdentifiers.cs

@@ -3,10 +3,13 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Reflection;
 
 using Svelto.ECS;
 using RobocraftX.Common;
 
+using Harmony;
+
 namespace GamecraftModdingAPI.Blocks
 {
     /// <summary>
@@ -39,8 +42,7 @@ namespace GamecraftModdingAPI.Blocks
         public static uint LatestBlockID {
             get
             {
-                //return CommonExclusiveGroups.CurrentBlockEntityID - 1; //TODO
-                return 0;
+				return ((uint) AccessTools.Field(typeof(CommonExclusiveGroups), "_nextBlockEntityID").GetValue(null)) - 1;
             }
         }
     }