Second map fixes

core/src/mindustry/entities/TargetPriority.java

@@ -3,10 +3,14 @@ package mindustry.entities;
 /** Higher priority blocks will always get targeted over those of lower priority, regardless of distance. */
 public class TargetPriority{
     public static final float
+    //nobody cares about walls
     wall = -2f,
+    //transport infrastructure isn't as important as factories
     transport = -1f,
+    //most blocks
     base = 0f,
-    constructing = 1f,
-    turret = 2f,
-    core = 3f;
+    //turrets deal damage so they are more important
+    turret = 1f,
+    //core is always the most important thing to destroy
+    core = 2f;
 }