Added most necessary objectives

core/src/mindustry/game/GameStats.java

@@ -1,6 +1,7 @@
 package mindustry.game;
 
 import arc.struct.*;
+import mindustry.type.*;
 import mindustry.world.*;
 
 public class GameStats{
@@ -18,4 +19,9 @@ public class GameStats{
     public int unitsCreated;
     /** Record of blocks that have been placed by count. Used for objectives only. */
     public ObjectIntMap<Block> placedBlockCount = new ObjectIntMap<>();
+    /**
+     * Record of items that have entered the core through transport blocks. Used for objectives only.
+     * This can easily be ""spoofed"" with unloaders, so don't use it for anything remotely important.
+     * */
+    public ObjectIntMap<Item> coreItemCount = new ObjectIntMap<>();
 }