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src/main/java/server/quest/requirements/BuffExceptRequirement.java

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+/*
+    This file is part of the HeavenMS MapleStory Server
+    Copyleft (L) 2016 - 2019 RonanLana
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as
+    published by the Free Software Foundation version 3 as published by
+    the Free Software Foundation. You may not use, modify or distribute
+    this program under any other version of the GNU Affero General Public
+    License.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+package server.quest.requirements;
+    
+import client.MapleCharacter;
+import provider.MapleData;
+import provider.MapleDataTool;
+import server.quest.MapleQuest;
+import server.quest.MapleQuestRequirementType;
+
+/**
+ *
+ * @author Ronan
+ */
+public class BuffExceptRequirement extends MapleQuestRequirement {
+        private int buffId = -1;
+        
+	public BuffExceptRequirement(MapleQuest quest, MapleData data) {
+		super(MapleQuestRequirementType.BUFF);
+		processData(data);
+	}
+	
+	@Override
+	public void processData(MapleData data) {
+                // item buffs are negative
+		buffId = -1 * Integer.valueOf(MapleDataTool.getString(data));
+	}
+	
+	@Override
+	public boolean check(MapleCharacter chr, Integer npcid) {
+                return !chr.hasBuffFromSourceid(buffId);
+	}
+}