Skillbook announcer update + Encoded temporary mob buffs + Slot gains patch

Encoded temporary mob buffs on mob control request/spawn packets.
Improved scroll generator NPC, now testing other bucket set possibilities.
Fixed slot gain method recently updated leading to a temporary visual glitch (inventory would show as normal after relogin).
Reviewed mobid check by name, no longer trying to generate a whole mob instance for info retrieval.
Added debuff purge when applying a buyback.
Reviewed skillbook announcer not informing properly storybooks, reactor or script loots.
Fixed autoaggro not working properly as soon as a player enters the field.
Fixed "fake" mobs disappearing as soon as its controller changes.

src/server/MapleSkillbookInformationProvider.java

@@ -65,18 +65,11 @@ public class MapleSkillbookInformationProvider {
         SCRIPT
     }
     
-    private static String host = "jdbc:mysql://localhost:3306/heavenms";
-    private static String driver = "com.mysql.jdbc.Driver";
-    private static String username = "root";
-    private static String password = "";
-    
     private static String rootDirectory = ".";
     
     private static int skillbookMinItemid = 2280000;
     private static int skillbookMaxItemid = 2300000;  // exclusively
     
-    private static Set<Integer> questSkills = new HashSet<>();
-    
     static {
         loadSkillbooks();
     }
@@ -156,7 +149,13 @@ public class MapleSkillbookInformationProvider {
                             int skillid = MapleDataTool.getInt("id", questSkillData, 0);
                             if (is4thJobSkill(skillid)) {
                                 // negative itemids are skill rewards
-                                foundSkillbooks.put(-skillid, SkillBookEntry.QUEST_REWARD);
+                                
+                                int questbook = fetchQuestbook(checkData, questData.getName());
+                                if (questbook < 0) {
+                                    foundSkillbooks.put(-skillid, SkillBookEntry.QUEST_REWARD);
+                                } else {
+                                    foundSkillbooks.put(-skillid, SkillBookEntry.QUEST_BOOK);
+                                }
                             }
                         }
                     }