More PowerEntry work.

src/engine/wpak/data/PowerEntry.java

@@ -43,6 +43,7 @@ public class PowerEntry {
     public int loopAnimID;
     public String grantOverrideVar;
     public ArrayList<String> description;
+    public String slopeType;
     public mbEnums.CompoundCurveType curve;
-
+    public String category;
 }