Type selection work.

src/engine/objects/ItemTemplate.java

@@ -107,8 +107,8 @@ public class ItemTemplate {
 
         Object skills_used = jsonObject.get("item_skill_used");
 
-        if (skills_used.equals(0) == false)
+        if (((JSONObject) jsonObject.get("item_skill_used")).containsValue(0) == false)
-            for (Object o : (JSONArray) skills_used) {
+            for (Object o : (JSONArray) jsonObject.get("item_skill_used")) {
                 String skilString = ((String) o).replaceAll("\\s", "");
                 Enum.CharacterSkills characterSkill = Enum.CharacterSkills.valueOf(skilString);
                 item_skill_used.add(characterSkill);