Proper parsing of power grants

src/engine/objects/ItemTemplate.java

@@ -350,13 +350,18 @@ public class ItemTemplate {
                     item_user_power_action.put(power, arguments);
                 }
 
-            JSONArray powerGrants = (JSONArray) jsonObject.get("item_power_grant");
+            JSONArray powerGrantsArray = (JSONArray) jsonObject.get("item_power_grant");
 
-            if (powerGrants.isEmpty() == false) {
+            if (powerGrantsArray.isEmpty() == false) {
 
-                for (Object grantedPower : powerGrants) {
+                for (Object grantEntry : powerGrantsArray) {
-                    JSONObject powerGrant = (JSONObject) grantedPower;
+                    JSONObject powerGrant = (JSONObject) grantEntry;
 
+                    for (Object key : powerGrant.keySet()) {
+                        String powerString = (String) key;
+                        int powerLevel = ((Long) powerGrant.get(key)).intValue();
+                        item_power_grant.put(powerString, powerLevel);
+                    }
                 }
             }