DB/Misc: Quest item "Drain Schematics" drop

By trickerer, fixes #10394

sql/updates/world/2013_11_02_02_world_creature_loot_template.sql

@@ -0,0 +1,18 @@
+-- Quest item "Drain Schematics" should be only obtainable if:
+-- 1) player has completed quest 9720 "Balance Must Be Preserved"
+-- 2) player has no quest 9731 "Drain Schematics"
+DELETE FROM `conditions` WHERE `SourceTypeOrReferenceId` = '1' AND `SourceEntry` = '24330';
+INSERT INTO `conditions` (`SourceTypeOrReferenceId`,`SourceGroup`,`SourceEntry`,`SourceId`,`ElseGroup`,`ConditionTypeOrReference`,`ConditionTarget`,`ConditionValue1`,`ConditionValue2`,`ConditionValue3`,`NegativeCondition`) VALUES
+('1','18088','24330','0','0','8','0','9720','0','0','0'),
+('1','18088','24330','0','0','9','0','9731','0','0','1'),
+('1','18089','24330','0','0','8','0','9720','0','0','0'),
+('1','18089','24330','0','0','9','0','9731','0','0','1'),
+('1','18340','24330','0','0','8','0','9720','0','0','0'),
+('1','18340','24330','0','0','9','0','9731','0','0','1'),
+('1','20088','24330','0','0','8','0','9720','0','0','0'),
+('1','20088','24330','0','0','9','0','9731','0','0','1'),
+('1','20089','24330','0','0','8','0','9720','0','0','0'),
+('1','20089','24330','0','0','9','0','9731','0','0','1');
+
+-- Set drop chance to normal(non-quest)
+UPDATE `creature_loot_template` SET `ChanceOrQuestChance` = abs(`ChanceOrQuestChance`) WHERE (`item` = '24330');