Fixed quests not finishing their questline

src/main/java/emu/grasscutter/data/def/QuestData.java

@@ -15,6 +15,9 @@ public class QuestData extends GameResource {
 	private int Order;
 	private long DescTextMapHash;
 	
+	private boolean FinishParent;
+	private boolean IsRewind;
+	
 	private LogicType AcceptCondComb;
 	private QuestCondition[] acceptConditons;
 	private LogicType FinishCondComb;
@@ -45,6 +48,14 @@ public class QuestData extends GameResource {
 		return DescTextMapHash;
 	}
 
+	public boolean finishParent() {
+		return FinishParent;
+	}
+
+	public boolean isRewind() {
+		return IsRewind;
+	}
+
 	public LogicType getAcceptCondComb() {
 		return AcceptCondComb;
 	}

src/main/java/emu/grasscutter/game/quest/GameMainQuest.java

@@ -91,6 +91,7 @@ public class GameMainQuest {
 		this.isFinished = true;
 		this.state = ParentQuestState.PARENT_QUEST_STATE_FINISHED;
 		this.getOwner().getSession().send(new PacketFinishedParentQuestUpdateNotify(this));
+		this.save();
 	}
 
 	public void save() {

src/main/java/emu/grasscutter/game/quest/GameQuest.java

@@ -143,21 +143,28 @@ public class GameQuest {
 		
 		this.getOwner().getSession().send(new PacketQuestProgressUpdateNotify(this));
 		this.getOwner().getSession().send(new PacketQuestListUpdateNotify(this));
-		this.save();
 		
-		this.tryAcceptQuestLine();
+		if (this.getData().finishParent()) {
+			// This quest finishes the questline - the main quest will also save the quest to db so we dont have to call save() here
+			this.getMainQuest().finish();
+		} else {
+			// Try and accept other quests if possible
+			this.tryAcceptQuestLine();
+			this.save();
+		}
 	}
 	
 	public boolean tryAcceptQuestLine() {
 		try {
 			MainQuestData questConfig = GameData.getMainQuestDataMap().get(this.getMainQuestId());
+			
 			for (SubQuestData subQuest : questConfig.getSubQuests()) {
 				GameQuest quest = getMainQuest().getChildQuestById(subQuest.getSubId());
 				
 				if (quest == null) {
 					QuestData questData = GameData.getQuestDataMap().get(subQuest.getSubId());
 					
-					if (questData == null) {
+					if (questData == null || questData.getAcceptCond() == null) {
 						continue;
 					}
 					

src/main/java/emu/grasscutter/game/quest/QuestManager.java

@@ -128,7 +128,7 @@ public class QuestManager {
 			QuestData data = quest.getData();
 			
 			for (int i = 0; i < data.getFinishCond().length; i++) {
-				if (quest.getFinishProgressList()[i] == 1) {
+				if (quest.getFinishProgressList() == null || quest.getFinishProgressList()[i] == 1) {
 					continue;
 				}