mine HP set to custom value after rebuild

src/engine/objects/Building.java

@@ -1035,13 +1035,14 @@ public class Building extends AbstractWorldObject {
 
     // *** Refactor: Can't we just use setRank() for this?
 
-    public final void rebuildMine() {
+    public final void rebuildMine(int maxHP) {
         this.setRank(1);
         this.meshUUID = this.getBlueprint().getMeshForRank(this.rank);
 
         // New rank mean new max hitpoints.
 
-        this.healthMax = this.getBlueprint().getMaxHealth(this.rank);
+        //this.healthMax = this.getBlueprint().getMaxHealth(this.rank);
+        this.healthMax = maxHP;
         this.setCurrentHitPoints(this.healthMax);
         this.getBounds().setBounds(this);
     }