Merge pull request #816 from Grasscutters/dev-quests

Implement quests

proto/ChildQuest.proto

@@ -0,0 +1,9 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+message ChildQuest {
+	uint32 quest_id = 1;
+	uint32 state = 2;
+	uint32 quest_config_id = 3;
+}

proto/CutSceneBeginNotify.proto

@@ -0,0 +1,8 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+message CutSceneBeginNotify {
+	uint32 cutscene_id = 1;
+	bool is_wait_others = 2;
+}

proto/CutSceneEndNotify.proto

@@ -0,0 +1,8 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+message CutSceneEndNotify {
+	int32 retcode = 1;
+	uint32 cutscene_id = 2;
+}

proto/CutSceneFinishNotify.proto

@@ -0,0 +1,7 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+message CutSceneFinishNotify {
+	uint32 cutscene_id = 1;
+}

proto/FinishedParentQuestNotify.proto

@@ -0,0 +1,9 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+import "ParentQuest.proto";
+
+message FinishedParentQuestNotify {
+	repeated ParentQuest parent_quest_list = 1;
+}

proto/FinishedParentQuestUpdateNotify.proto

@@ -0,0 +1,9 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+import "ParentQuest.proto";
+
+message FinishedParentQuestUpdateNotify {
+	repeated ParentQuest parent_quest_list = 1;
+}

proto/ParentQuest.proto

@@ -0,0 +1,18 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+import "ParentQuestRandomInfo.proto";
+import "ChildQuest.proto";
+
+message ParentQuest {
+	uint32 parent_quest_id = 1;
+	repeated ChildQuest child_quest_list = 2;
+	bool is_finished = 3;
+	bool is_random = 4;
+	ParentQuestRandomInfo random_info = 5;
+	repeated int32 quest_var = 6;
+	uint32 parent_quest_state = 7;
+	uint32 quest_var_seq = 8;
+	map<uint32, uint32> time_var_map = 9;
+}

proto/ParentQuestRandomInfo.proto

@@ -0,0 +1,9 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+message ParentQuestRandomInfo {
+	uint32 entrance_id = 1;
+	uint32 template_id = 2;
+	repeated uint32 factor_list = 3;
+}

proto/Quest.proto

@@ -0,0 +1,20 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+message Quest {
+	uint32 quest_id = 1;
+	uint32 state = 2;
+	uint32 start_time = 4;
+	bool is_random = 5;
+	uint32 parent_quest_id = 6;
+	uint32 quest_config_id = 7;
+	uint32 start_game_time = 8;
+	uint32 accept_time = 9;
+	repeated uint32 lacked_npc_list = 10;
+	repeated uint32 finish_progress_list = 11;
+	repeated uint32 fail_progress_list = 12;
+	map<uint32, uint32> lacked_npc_map = 13;
+	repeated uint32 lacked_place_list = 14;
+	map<uint32, uint32> lacked_place_map = 15;
+}

proto/QuestDelNotify.proto

@@ -0,0 +1,7 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+message QuestDelNotify {
+	uint32 quest_id = 1;
+}

proto/QuestGlobalVar.proto

@@ -0,0 +1,8 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+message QuestGlobalVar {
+	uint32 key = 1;
+	int32 value = 2;
+}

proto/QuestGlobalVarNotify.proto

@@ -0,0 +1,9 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+import "QuestGlobalVar.proto";
+
+message QuestGlobalVarNotify {
+	repeated QuestGlobalVar var_list = 1;
+}

proto/QuestListNotify.proto

@@ -0,0 +1,9 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+import "Quest.proto";
+
+message QuestListNotify {
+	repeated Quest quest_list = 1;
+}

proto/QuestListUpdateNotify.proto

@@ -0,0 +1,9 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+import "Quest.proto";
+
+message QuestListUpdateNotify {
+	repeated Quest quest_list = 1;
+}

proto/QuestProgressUpdateNotify.proto

@@ -0,0 +1,9 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+message QuestProgressUpdateNotify {
+	uint32 quest_id = 1;
+	repeated uint32 finish_progress_list = 2;
+	repeated uint32 fail_progress_list = 3;
+}

proto/QuestUpdateQuestVarNotify.proto

@@ -0,0 +1,9 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+message QuestUpdateQuestVarNotify {
+	uint32 parent_quest_id = 1;
+	repeated int32 quest_var = 2;
+	uint32 parent_quest_var_seq = 3;
+}

proto/QuestUpdateQuestVarReq.proto

@@ -0,0 +1,12 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+import "QuestVarOp.proto";
+
+message QuestUpdateQuestVarReq {
+	uint32 quest_id = 1;
+	repeated QuestVarOp quest_var_op_list = 2;
+	uint32 parent_quest_id = 3;
+	uint32 parent_quest_var_seq = 4;
+}

proto/QuestUpdateQuestVarRsp.proto

@@ -0,0 +1,10 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+message QuestUpdateQuestVarRsp {
+	int32 retcode = 1;
+	uint32 quest_id = 2;
+	uint32 parent_quest_id = 3;
+	uint32 parent_quest_var_seq = 4;
+}

proto/QuestVarOp.proto

@@ -0,0 +1,9 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+message QuestVarOp {
+	uint32 index = 1;
+	int32 value = 2;
+	bool is_add = 3;
+}

proto/ServerCondMeetQuestListUpdateNotify.proto

@@ -0,0 +1,8 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+
+message ServerCondMeetQuestListUpdateNotify {
+	repeated uint32 add_quest_id_list = 1;
+	repeated uint32 del_quest_id_list = 2;
+}

src/main/java/emu/grasscutter/command/commands/QuestCommand.java

@@ -0,0 +1,66 @@
+package emu.grasscutter.command.commands;
+
+import emu.grasscutter.Grasscutter;
+import emu.grasscutter.command.Command;
+import emu.grasscutter.command.CommandHandler;
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.game.quest.GameQuest;
+
+import java.util.List;
+
+import static emu.grasscutter.utils.Language.translate;
+
+@Command(label = "quest", usage = "quest <add|finish> [quest id]", permission = "player.quest", permissionTargeted = "player.quest.others", description = "commands.quest.description")
+public final class QuestCommand implements CommandHandler {
+
+    @Override
+    public void execute(Player sender, Player targetPlayer, List<String> args) {
+		if (targetPlayer == null) {
+			CommandHandler.sendMessage(sender, translate(sender, "commands.execution.need_target"));
+			return;
+		}
+		
+		if (args.size() != 2) {
+			CommandHandler.sendMessage(sender, translate(sender, "commands.quest.usage"));
+            return;
+		}
+		
+		String cmd = args.get(0).toLowerCase();
+		int questId;
+		
+		try {
+			questId = Integer.parseInt(args.get(1));
+		} catch (Exception e) {
+			CommandHandler.sendMessage(sender, translate(sender, "commands.quest.invalid_id"));
+            return;
+		}
+		
+		switch (cmd) {
+			case "add" -> {
+				GameQuest quest = sender.getQuestManager().addQuest(questId);
+				
+				if (quest != null) {
+					CommandHandler.sendMessage(sender, translate(sender, "commands.quest.added", questId));
+					return;
+				}
+				
+				CommandHandler.sendMessage(sender, translate(sender, "commands.quest.not_found"));
+			}
+			case "finish" -> {
+				GameQuest quest = sender.getQuestManager().getQuestById(questId);
+				
+				if (quest == null) {
+					CommandHandler.sendMessage(sender, translate(sender, "commands.quest.not_found"));
+					return;
+				}
+				
+				quest.finish();
+				
+				CommandHandler.sendMessage(sender, translate(sender, "commands.quest.finished", questId));
+			}
+			default -> {
+				CommandHandler.sendMessage(sender, translate(sender, "commands.quest.usage"));
+			}
+		}
+    }
+}

src/main/java/emu/grasscutter/data/GameData.java

@@ -12,6 +12,7 @@ import emu.grasscutter.data.custom.AbilityEmbryoEntry;
 import emu.grasscutter.data.custom.AbilityModifier;
 import emu.grasscutter.data.custom.AbilityModifierEntry;
 import emu.grasscutter.data.custom.OpenConfigEntry;
+import emu.grasscutter.data.custom.MainQuestData;
 import emu.grasscutter.data.custom.ScenePointEntry;
 import emu.grasscutter.data.def.*;
 import it.unimi.dsi.fastutil.ints.Int2ObjectLinkedOpenHashMap;
@@ -27,6 +28,7 @@ public class GameData {
 	private static final Map<String, AbilityModifierEntry> abilityModifiers = new HashMap<>();
 	private static final Map<String, OpenConfigEntry> openConfigEntries = new HashMap<>();
 	private static final Map<String, ScenePointEntry> scenePointEntries = new HashMap<>();
+	private static final Int2ObjectMap<MainQuestData> mainQuestData = new Int2ObjectOpenHashMap<>();
 	
 	// ExcelConfigs
 	private static final Int2ObjectMap<PlayerLevelData> playerLevelDataMap = new Int2ObjectOpenHashMap<>();
@@ -68,6 +70,7 @@ public class GameData {
 	private static final Int2ObjectMap<WorldLevelData> worldLevelDataMap = new Int2ObjectOpenHashMap<>();
 	private static final Int2ObjectMap<DailyDungeonData> dailyDungeonDataMap = new Int2ObjectOpenHashMap<>();
 	private static final Int2ObjectMap<DungeonData> dungeonDataMap = new Int2ObjectOpenHashMap<>();
+	private static final Int2ObjectMap<QuestData> questDataMap = new Int2ObjectOpenHashMap<>();
 	private static final Int2ObjectMap<ShopGoodsData> shopGoodsDataMap = new Int2ObjectOpenHashMap<>();
 	private static final Int2ObjectMap<CombineData> combineDataMap = new Int2ObjectOpenHashMap<>();
 	private static final Int2ObjectMap<RewardPreviewData> rewardPreviewDataMap = new Int2ObjectOpenHashMap<>();
@@ -122,6 +125,10 @@ public class GameData {
 		return getScenePointEntries().get(sceneId + "_" + pointId);
 	}
 
+	public static Int2ObjectMap<MainQuestData> getMainQuestDataMap() {
+		return mainQuestData;
+	}
+
 	public static Int2ObjectMap<AvatarData> getAvatarDataMap() {
 		return avatarDataMap;
 	}
@@ -331,4 +338,8 @@ public class GameData {
 	public static Int2ObjectMap<TowerScheduleData> getTowerScheduleDataMap(){
 		return towerScheduleDataMap;
 	}
+
+	public static Int2ObjectMap<QuestData> getQuestDataMap() {
+		return questDataMap;
+	}
 }

src/main/java/emu/grasscutter/data/ResourceLoader.java

@@ -24,6 +24,7 @@ import emu.grasscutter.data.custom.AbilityModifier.AbilityModifierAction;
 import emu.grasscutter.data.custom.AbilityModifier.AbilityModifierActionType;
 import emu.grasscutter.data.custom.AbilityModifierEntry;
 import emu.grasscutter.data.custom.OpenConfigEntry;
+import emu.grasscutter.data.custom.MainQuestData;
 import emu.grasscutter.data.custom.ScenePointEntry;
 import emu.grasscutter.game.world.SpawnDataEntry.*;
 import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
@@ -58,8 +59,9 @@ public class ResourceLoader {
 		loadResources();
 		// Process into depots
 		GameDepot.load();
-		// Load spawn data
+		// Load spawn data and quests
 		loadSpawnData();
+		loadQuests();
 		// Load scene points - must be done AFTER resources are loaded
 		loadScenePoints();
 		// Custom - TODO move this somewhere else
@@ -394,6 +396,29 @@ public class ResourceLoader {
 			GameData.getOpenConfigEntries().put(entry.getName(), entry);
 		}
 	}
+	
+	private static void loadQuests() {
+		File folder = new File(RESOURCE("BinOutput/Quest/"));
+		
+		if (!folder.exists()) {
+			return;
+		}
+		
+		for (File file : folder.listFiles()) {
+			MainQuestData mainQuest = null;
+			
+			try (FileReader fileReader = new FileReader(file)) {
+				mainQuest = Grasscutter.getGsonFactory().fromJson(fileReader, MainQuestData.class);
+			} catch (Exception e) {
+				e.printStackTrace();
+				continue;
+			}
+			
+			GameData.getMainQuestDataMap().put(mainQuest.getId(), mainQuest);
+		}
+		
+		Grasscutter.getLogger().info("Loaded " + GameData.getMainQuestDataMap().size() + " MainQuestDatas.");
+	}
 
 	// BinOutput configs
 	

src/main/java/emu/grasscutter/data/custom/MainQuestData.java

@@ -0,0 +1,53 @@
+package emu.grasscutter.data.custom;
+
+import emu.grasscutter.game.quest.enums.LogicType;
+import emu.grasscutter.game.quest.enums.QuestTrigger;
+import emu.grasscutter.game.quest.enums.QuestType;
+
+public class MainQuestData {
+	private int id;
+	private int series;
+	private QuestType type;
+	
+	private long titleTextMapHash;
+	private int[] suggestTrackMainQuestList;
+	private int[] rewardIdList;
+	
+	private SubQuestData[] subQuests;
+	
+	public int getId() {
+		return id;
+	}
+	
+	public int getSeries() {
+		return series;
+	}
+	
+	public QuestType getType() {
+		return type;
+	}
+	
+	public long getTitleTextMapHash() {
+		return titleTextMapHash;
+	}
+	
+	public int[] getSuggestTrackMainQuestList() {
+		return suggestTrackMainQuestList;
+	}
+
+	public int[] getRewardIdList() {
+		return rewardIdList;
+	}
+	
+	public SubQuestData[] getSubQuests() {
+		return subQuests;
+	}
+	
+	public static class SubQuestData {
+		private int subId;
+
+		public int getSubId() {
+			return subId;
+		}
+	}
+}

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

@@ -0,0 +1,115 @@
+package emu.grasscutter.data.def;
+
+import java.util.Arrays;
+import java.util.List;
+
+import emu.grasscutter.data.GameResource;
+import emu.grasscutter.data.ResourceType;
+import emu.grasscutter.game.quest.enums.LogicType;
+import emu.grasscutter.game.quest.enums.QuestTrigger;
+
+@ResourceType(name = "QuestExcelConfigData.json")
+public class QuestData extends GameResource {
+	private int SubId;
+	private int MainId;
+	private int Order;
+	private long DescTextMapHash;
+	
+	private LogicType AcceptCondComb;
+	private QuestCondition[] acceptConditons;
+	private LogicType FinishCondComb;
+	private QuestCondition[] finishConditons;
+	private LogicType FailCondComb;
+	private QuestCondition[] failConditons;
+	
+	private List<QuestParam> AcceptCond;
+	private List<QuestParam> FinishCond;
+	private List<QuestParam> FailCond;
+	private List<QuestExecParam> BeginExec;
+	private List<QuestExecParam> FinishExec;
+	private List<QuestExecParam> FailExec;
+
+	public int getId() {
+		return SubId;
+	}
+
+	public int getMainId() {
+		return MainId;
+	}
+
+	public int getOrder() {
+		return Order;
+	}
+
+	public long getDescTextMapHash() {
+		return DescTextMapHash;
+	}
+
+	public LogicType getAcceptCondComb() {
+		return AcceptCondComb;
+	}
+
+	public QuestCondition[] getAcceptCond() {
+		return acceptConditons;
+	}
+
+	public LogicType getFinishCondComb() {
+		return FinishCondComb;
+	}
+
+	public QuestCondition[] getFinishCond() {
+		return finishConditons;
+	}
+
+	public LogicType getFailCondComb() {
+		return FailCondComb;
+	}
+
+	public QuestCondition[] getFailCond() {
+		return failConditons;
+	}
+
+	public void onLoad() {
+		this.acceptConditons = AcceptCond.stream().filter(p -> p.Type != null).map(QuestCondition::new).toArray(QuestCondition[]::new);
+		AcceptCond = null;
+		this.finishConditons = FinishCond.stream().filter(p -> p.Type != null).map(QuestCondition::new).toArray(QuestCondition[]::new);
+		FinishCond = null;
+		this.failConditons = FailCond.stream().filter(p -> p.Type != null).map(QuestCondition::new).toArray(QuestCondition[]::new);
+		FailCond = null;
+	}
+	
+	public class QuestParam {
+		QuestTrigger Type;
+		int[] Param;
+		String count;
+	}
+	
+	public class QuestExecParam {
+		QuestTrigger Type;
+		String[] Param;
+		String count;
+	}
+	
+	public static class QuestCondition {
+		private QuestTrigger type;
+		private int[] param;
+		private String count;
+		
+		public QuestCondition(QuestParam param) {
+			this.type = param.Type;
+			this.param = param.Param;
+		}
+		
+		public QuestTrigger getType() {
+			return type;
+		}
+		
+		public int[] getParam() {
+			return param;
+		}
+
+		public String getCount() {
+			return count;
+		}
+	}
+}

src/main/java/emu/grasscutter/database/DatabaseHelper.java

@@ -15,6 +15,7 @@ import emu.grasscutter.game.gacha.GachaRecord;
 import emu.grasscutter.game.inventory.GameItem;
 import emu.grasscutter.game.mail.Mail;
 import emu.grasscutter.game.player.Player;
+import emu.grasscutter.game.quest.GameMainQuest;
 
 import static com.mongodb.client.model.Filters.eq;
 
@@ -111,6 +112,8 @@ public final class DatabaseHelper {
 		DatabaseManager.getGameDatabase().getCollection("gachas").deleteMany(eq("ownerId", target.getPlayerUid()));
 		// Delete GameItem.class data
 		DatabaseManager.getGameDatabase().getCollection("items").deleteMany(eq("ownerId", target.getPlayerUid()));
+		// Delete GameMainQuest.class data
+		DatabaseManager.getGameDatabase().getCollection("quests").deleteMany(eq("ownerUid", target.getPlayerUid()));
 
 		// Delete friendships.
 		// Here, we need to make sure to not only delete the deleted account's friendships,
@@ -260,4 +263,16 @@ public final class DatabaseHelper {
 		DeleteResult result = DatabaseManager.getGameDatastore().delete(mail);
 		return result.wasAcknowledged();
 	}
+	
+	public static List<GameMainQuest> getAllQuests(Player player) {
+		return DatabaseManager.getGameDatastore().find(GameMainQuest.class).filter(Filters.eq("ownerUid", player.getUid())).stream().toList();
+	}
+	
+	public static void saveQuest(GameMainQuest quest) {
+		DatabaseManager.getGameDatastore().save(quest);
+	}
+	
+	public static boolean deleteQuest(GameMainQuest quest) {
+		return DatabaseManager.getGameDatastore().delete(quest).wasAcknowledged();
+	}
 }

src/main/java/emu/grasscutter/database/DatabaseManager.java

@@ -19,6 +19,8 @@ import emu.grasscutter.game.gacha.GachaRecord;
 import emu.grasscutter.game.inventory.GameItem;
 import emu.grasscutter.game.mail.Mail;
 import emu.grasscutter.game.player.Player;
+import emu.grasscutter.game.quest.GameMainQuest;
+import emu.grasscutter.game.quest.GameQuest;
 
 import static emu.grasscutter.Configuration.*;
 
@@ -27,7 +29,8 @@ public final class DatabaseManager {
 	private static Datastore dispatchDatastore;
 	
 	private static final Class<?>[] mappedClasses = new Class<?>[] {
-		DatabaseCounter.class, Account.class, Player.class, Avatar.class, GameItem.class, Friendship.class, GachaRecord.class, Mail.class
+		DatabaseCounter.class, Account.class, Player.class, Avatar.class, GameItem.class, Friendship.class, 
+		GachaRecord.class, Mail.class, GameMainQuest.class
 	};
     
     public static Datastore getGameDatastore() {

src/main/java/emu/grasscutter/game/dungeons/DungeonManager.java

@@ -7,6 +7,7 @@ import emu.grasscutter.data.custom.ScenePointEntry;
 import emu.grasscutter.data.def.DungeonData;
 import emu.grasscutter.game.player.Player;
 import emu.grasscutter.game.props.SceneType;
+import emu.grasscutter.game.quest.enums.QuestTrigger;
 import emu.grasscutter.net.packet.BasePacket;
 import emu.grasscutter.net.packet.PacketOpcodes;
 import emu.grasscutter.server.game.GameServer;
@@ -51,8 +52,9 @@ public class DungeonManager {
 		int sceneId = data.getSceneId();
 		player.getScene().setPrevScene(sceneId);
 		
-		if(player.getWorld().transferPlayerToScene(player, sceneId, data)){
+		if (player.getWorld().transferPlayerToScene(player, sceneId, data)) {
 			player.getScene().addDungeonSettleObserver(basicDungeonSettleObserver);
+			player.getQuestManager().triggerEvent(QuestTrigger.QUEST_CONTENT_ENTER_DUNGEON, data.getId());
 		}
 		
 		player.getScene().setPrevScenePoint(pointId);

src/main/java/emu/grasscutter/game/player/Player.java

@@ -29,6 +29,9 @@ import emu.grasscutter.game.props.ActionReason;
 import emu.grasscutter.game.props.EntityType;
 import emu.grasscutter.game.props.PlayerProperty;
 import emu.grasscutter.game.props.SceneType;
+import emu.grasscutter.game.quest.GameMainQuest;
+import emu.grasscutter.game.quest.GameQuest;
+import emu.grasscutter.game.quest.QuestManager;
 import emu.grasscutter.game.shop.ShopLimit;
 import emu.grasscutter.game.managers.MapMarkManager.*;
 import emu.grasscutter.game.tower.TowerManager;
@@ -95,6 +98,7 @@ public class Player {
 	@Transient private MailHandler mailHandler;
 	@Transient private MessageHandler messageHandler;
 	@Transient private AbilityManager abilityManager;
+	@Transient private QuestManager questManager;
 	
 	@Transient private SotSManager sotsManager;
 
@@ -150,6 +154,7 @@ public class Player {
 		this.mailHandler = new MailHandler(this);
 		this.towerManager = new TowerManager(this);
 		this.abilityManager = new AbilityManager(this);
+		this.setQuestManager(new QuestManager(this));
 		this.pos = new Position();
 		this.rotation = new Position();
 		this.properties = new HashMap<>();
@@ -422,6 +427,14 @@ public class Player {
 		return towerManager;
 	}
 
+	public QuestManager getQuestManager() {
+		return questManager;
+	}
+
+	public void setQuestManager(QuestManager questManager) {
+		this.questManager = questManager;
+	}
+
 	public PlayerGachaInfo getGachaInfo() {
 		return gachaInfo;
 	}
@@ -896,9 +909,7 @@ public class Player {
 	}
 
 	public void sendPacket(BasePacket packet) {
-		if (this.hasSentAvatarDataNotify) {
-			this.getSession().send(packet);
-		}
+		this.getSession().send(packet);
 	}
 
 	public OnlinePlayerInfo getOnlinePlayerInfo() {
@@ -1135,7 +1146,23 @@ public class Player {
 
 		this.getFriendsList().loadFromDatabase();
 		this.getMailHandler().loadFromDatabase();
+		this.getQuestManager().loadFromDatabase();
+		
+		// Quest - Commented out because a problem is caused if you log out while this quest is active
+		/*
+		if (getQuestManager().getMainQuestById(351) == null) {
+			GameQuest quest = getQuestManager().addQuest(35104);
+			if (quest != null) {
+				quest.finish();
+			}
 
+			getQuestManager().addQuest(35101);
+			
+			this.setSceneId(3);
+			this.getPos().set(GameConstants.START_POSITION);
+		}
+		*/
+		
 		// Create world
 		World world = new World(this);
 		world.addPlayer(this);
@@ -1155,7 +1182,9 @@ public class Player {
 		session.send(new PacketStoreWeightLimitNotify());
 		session.send(new PacketPlayerStoreNotify(this));
 		session.send(new PacketAvatarDataNotify(this));
-
+		session.send(new PacketFinishedParentQuestNotify(this));
+		session.send(new PacketQuestListNotify(this));
+		session.send(new PacketServerCondMeetQuestListUpdateNotify(this));
 		session.send(new PacketAllWidgetDataNotify(this));
 		session.send(new PacketWidgetGadgetAllDataNotify());
 

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

@@ -0,0 +1,123 @@
+package emu.grasscutter.game.quest;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.bson.types.ObjectId;
+
+import dev.morphia.annotations.Entity;
+import dev.morphia.annotations.Id;
+import dev.morphia.annotations.Indexed;
+import dev.morphia.annotations.Transient;
+import emu.grasscutter.data.GameData;
+import emu.grasscutter.database.DatabaseHelper;
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.game.quest.enums.ParentQuestState;
+import emu.grasscutter.game.quest.enums.QuestState;
+import emu.grasscutter.net.proto.ChildQuestOuterClass.ChildQuest;
+import emu.grasscutter.net.proto.ParentQuestOuterClass.ParentQuest;
+import emu.grasscutter.net.proto.QuestOuterClass.Quest;
+import emu.grasscutter.server.packet.send.PacketFinishedParentQuestUpdateNotify;
+import emu.grasscutter.server.packet.send.PacketQuestListUpdateNotify;
+import emu.grasscutter.server.packet.send.PacketQuestProgressUpdateNotify;
+import emu.grasscutter.utils.Utils;
+import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
+import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
+
+@Entity(value = "quests", useDiscriminator = false)
+public class GameMainQuest {
+	@Id private ObjectId id;
+	
+	@Indexed private int ownerUid;
+	@Transient private Player owner;
+	
+	private Map<Integer, GameQuest> childQuests;
+	
+	private int parentQuestId;
+	private int[] questVars;
+	private ParentQuestState state;
+	private boolean isFinished;
+	
+	@Deprecated // Morphia only. Do not use.
+	public GameMainQuest() {}
+	
+	public GameMainQuest(Player player, int parentQuestId) {
+		this.owner = player;
+		this.ownerUid = player.getUid();
+		this.parentQuestId = parentQuestId;
+		this.childQuests = new HashMap<>();
+		this.questVars = new int[5];
+		this.state = ParentQuestState.PARENT_QUEST_STATE_NONE;
+	}
+
+	public int getParentQuestId() {
+		return parentQuestId;
+	}
+	
+	public int getOwnerUid() {
+		return ownerUid;
+	}
+
+	public Player getOwner() {
+		return owner;
+	}
+
+	public void setOwner(Player player) {
+		if (player.getUid() != this.getOwnerUid()) return;
+		this.owner = player;
+	}
+
+	public Map<Integer, GameQuest> getChildQuests() {
+		return childQuests;
+	}
+	
+	public GameQuest getChildQuestById(int id) {
+		return this.getChildQuests().get(id);
+	}
+
+	public int[] getQuestVars() {
+		return questVars;
+	}
+
+	public ParentQuestState getState() {
+		return state;
+	}
+
+	public boolean isFinished() {
+		return isFinished;
+	}
+
+	public void finish() {
+		this.isFinished = true;
+		this.state = ParentQuestState.PARENT_QUEST_STATE_FINISHED;
+		this.getOwner().getSession().send(new PacketFinishedParentQuestUpdateNotify(this));
+	}
+
+	public void save() {
+		DatabaseHelper.saveQuest(this);
+	}
+
+	public ParentQuest toProto() {
+		ParentQuest.Builder proto = ParentQuest.newBuilder()
+				.setParentQuestId(getParentQuestId())
+				.setIsFinished(isFinished())
+				.setParentQuestState(getState().getValue());
+		
+		for (GameQuest quest : this.getChildQuests().values()) {
+			ChildQuest childQuest = ChildQuest.newBuilder()
+					.setQuestId(quest.getQuestId())
+					.setState(quest.getState().getValue())
+					.build();
+			
+			proto.addChildQuestList(childQuest);
+		}
+		
+		if (getQuestVars() != null) {
+			for (int i : getQuestVars()) {
+				proto.addQuestVar(i);
+			}
+		}
+
+		return proto.build();
+	}
+}

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

@@ -0,0 +1,215 @@
+package emu.grasscutter.game.quest;
+
+import dev.morphia.annotations.Entity;
+import dev.morphia.annotations.Transient;
+import emu.grasscutter.data.GameData;
+import emu.grasscutter.data.custom.MainQuestData;
+import emu.grasscutter.data.custom.MainQuestData.SubQuestData;
+import emu.grasscutter.data.def.QuestData;
+import emu.grasscutter.data.def.QuestData.QuestCondition;
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.game.quest.enums.LogicType;
+import emu.grasscutter.game.quest.enums.QuestState;
+import emu.grasscutter.net.proto.QuestOuterClass.Quest;
+import emu.grasscutter.server.packet.send.PacketQuestListUpdateNotify;
+import emu.grasscutter.server.packet.send.PacketQuestProgressUpdateNotify;
+import emu.grasscutter.utils.Utils;
+
+@Entity
+public class GameQuest {
+	@Transient private GameMainQuest mainQuest;
+	@Transient private QuestData questData;
+	
+	private int questId;
+	private int mainQuestId;
+	private QuestState state;
+	
+	private int startTime;
+	private int acceptTime;
+	private int finishTime;
+	
+	private int[] finishProgressList;
+	private int[] failProgressList;
+	
+	@Deprecated // Morphia only. Do not use.
+	public GameQuest() {}
+	
+	public GameQuest(GameMainQuest mainQuest, QuestData questData) {
+		this.mainQuest = mainQuest;
+		this.questId = questData.getId();
+		this.mainQuestId = questData.getMainId();
+		this.questData = questData;
+		this.acceptTime = Utils.getCurrentSeconds();
+		this.startTime = this.acceptTime;
+		this.state = QuestState.QUEST_STATE_UNFINISHED;
+		
+		if (questData.getFinishCond()!= null) {
+			this.finishProgressList = new int[questData.getFinishCond().length];
+		}
+		
+		if (questData.getFailCond() != null) {
+			this.failProgressList = new int[questData.getFailCond().length];
+		}
+		
+		this.mainQuest.getChildQuests().put(this.questId, this);
+	}
+	
+	public GameMainQuest getMainQuest() {
+		return mainQuest;
+	}
+
+	public void setMainQuest(GameMainQuest mainQuest) {
+		this.mainQuest = mainQuest;
+	}
+	
+	public Player getOwner() {
+		return getMainQuest().getOwner();
+	}
+
+	public int getQuestId() {
+		return questId;
+	}
+
+	public int getMainQuestId() {
+		return mainQuestId;
+	}
+
+	public QuestData getData() {
+		return questData;
+	}
+
+	public void setConfig(QuestData config) {
+		if (this.getQuestId() != config.getId()) return;
+		this.questData = config;
+	}
+
+	public QuestState getState() {
+		return state;
+	}
+
+	public void setState(QuestState state) {
+		this.state = state;
+	}
+
+	public int getStartTime() {
+		return startTime;
+	}
+
+	public void setStartTime(int startTime) {
+		this.startTime = startTime;
+	}
+
+	public int getAcceptTime() {
+		return acceptTime;
+	}
+
+	public void setAcceptTime(int acceptTime) {
+		this.acceptTime = acceptTime;
+	}
+
+	public int getFinishTime() {
+		return finishTime;
+	}
+
+	public void setFinishTime(int finishTime) {
+		this.finishTime = finishTime;
+	}
+	
+	public int[] getFinishProgressList() {
+		return finishProgressList;
+	}
+	
+	public void setFinishProgress(int index, int value) {
+		finishProgressList[index] = value;
+	}
+
+	public int[] getFailProgressList() {
+		return failProgressList;
+	}
+	
+	public void setFailProgress(int index, int value) {
+		failProgressList[index] = value;
+	}
+
+	public void finish() {
+		this.state = QuestState.QUEST_STATE_FINISHED;
+		this.finishTime = Utils.getCurrentSeconds();
+		
+		if (this.getFinishProgressList() != null) {
+			for (int i = 0 ; i < getFinishProgressList().length; i++) {
+				getFinishProgressList()[i] = 1;
+			}
+		}
+		
+		this.getOwner().getSession().send(new PacketQuestProgressUpdateNotify(this));
+		this.getOwner().getSession().send(new PacketQuestListUpdateNotify(this));
+		this.save();
+		
+		this.tryAcceptQuestLine();
+	}
+	
+	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) {
+						continue;
+					}
+					
+					int[] accept = new int[questData.getAcceptCond().length];
+							
+					// TODO
+					for (int i = 0; i < questData.getAcceptCond().length; i++) {
+						QuestCondition condition = questData.getAcceptCond()[i];
+						boolean result = getOwner().getServer().getQuestHandler().triggerCondition(this, condition, condition.getParam());
+						
+						accept[i] = result ? 1 : 0;
+					}
+					
+					boolean shouldAccept = LogicType.calculate(questData.getAcceptCondComb(), accept);
+					
+					if (shouldAccept) {
+						this.getOwner().getQuestManager().addQuest(questData.getId());
+					}
+				}
+			}
+		} catch (Exception e) {
+			
+		}
+
+		return false;
+	}
+	
+	public void save() {
+		getMainQuest().save();
+	}
+	
+	public Quest toProto() {
+		Quest.Builder proto = Quest.newBuilder()
+				.setQuestId(this.getQuestId())
+				.setState(this.getState().getValue())
+				.setParentQuestId(this.getMainQuestId())
+				.setStartTime(this.getStartTime())
+				.setStartGameTime(438)
+				.setAcceptTime(this.getAcceptTime());
+		
+		if (this.getFinishProgressList() != null) {
+			for (int i : this.getFinishProgressList()) {
+				proto.addFinishProgressList(i);
+			}
+		}
+		
+		if (this.getFailProgressList() != null) {
+			for (int i : this.getFailProgressList()) {
+				proto.addFailProgressList(i);
+			}
+		}
+		
+		return proto.build();
+	}
+}

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

@@ -0,0 +1,182 @@
+package emu.grasscutter.game.quest;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.function.Consumer;
+import java.util.function.Function;
+
+import emu.grasscutter.data.GameData;
+import emu.grasscutter.data.def.QuestData;
+import emu.grasscutter.data.def.QuestData.QuestCondition;
+import emu.grasscutter.database.DatabaseHelper;
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.game.quest.enums.QuestTrigger;
+import emu.grasscutter.game.quest.enums.LogicType;
+import emu.grasscutter.game.quest.enums.QuestState;
+import emu.grasscutter.server.packet.send.PacketFinishedParentQuestUpdateNotify;
+import emu.grasscutter.server.packet.send.PacketQuestListUpdateNotify;
+import emu.grasscutter.server.packet.send.PacketQuestProgressUpdateNotify;
+import emu.grasscutter.server.packet.send.PacketServerCondMeetQuestListUpdateNotify;
+import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
+import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
+
+public class QuestManager {
+	private final Player player;
+	private final Int2ObjectMap<GameMainQuest> quests;
+	
+	public QuestManager(Player player) {
+		this.player = player;
+		this.quests = new Int2ObjectOpenHashMap<>();
+	}
+
+	public Player getPlayer() {
+		return player;
+	}
+
+	public Int2ObjectMap<GameMainQuest> getQuests() {
+		return quests;
+	}
+	
+	public GameMainQuest getMainQuestById(int mainQuestId) {
+		return getQuests().get(mainQuestId);
+	}
+	
+	public GameQuest getQuestById(int questId) {
+		QuestData questConfig = GameData.getQuestDataMap().get(questId);
+		if (questConfig == null) {
+			return null;
+		}
+		
+		GameMainQuest mainQuest = getQuests().get(questConfig.getMainId());
+		
+		if (mainQuest == null) {
+			return null;
+		}
+		
+		return mainQuest.getChildQuests().get(questId);
+	}
+	
+	public void forEachQuest(Consumer<GameQuest> callback) {
+		for (GameMainQuest mainQuest : getQuests().values()) {
+			for (GameQuest quest : mainQuest.getChildQuests().values()) {
+				callback.accept(quest);
+			}
+		}
+	}
+	
+	// TODO
+	public void forEachActiveQuest(Consumer<GameQuest> callback) {
+		for (GameMainQuest mainQuest : getQuests().values()) {
+			for (GameQuest quest : mainQuest.getChildQuests().values()) {
+				if (quest.getState() != QuestState.QUEST_STATE_FINISHED) {
+					callback.accept(quest);
+				}
+			}
+		}
+	}
+	
+	public GameMainQuest addMainQuest(QuestData questConfig) {
+		GameMainQuest mainQuest = new GameMainQuest(getPlayer(), questConfig.getMainId());
+		getQuests().put(mainQuest.getParentQuestId(), mainQuest);
+
+		getPlayer().sendPacket(new PacketFinishedParentQuestUpdateNotify(mainQuest));
+		
+		return mainQuest;
+	}
+	
+	public GameQuest addQuest(int questId) {
+		QuestData questConfig = GameData.getQuestDataMap().get(questId);
+		if (questConfig == null) {
+			return null;
+		}
+		
+		// Main quest
+		GameMainQuest mainQuest = this.getMainQuestById(questConfig.getMainId());
+		
+		// Create main quest if it doesnt exist
+		if (mainQuest == null) {
+			mainQuest = addMainQuest(questConfig);
+		}
+		
+		// Sub quest
+		GameQuest quest = mainQuest.getChildQuestById(questId);
+		
+		if (quest != null) {
+			return null;
+		}
+
+		// Create
+		quest = new GameQuest(mainQuest, questConfig);
+
+		// Save main quest
+		mainQuest.save();
+
+		// Send packet
+		getPlayer().sendPacket(new PacketServerCondMeetQuestListUpdateNotify(quest));
+		getPlayer().sendPacket(new PacketQuestListUpdateNotify(quest));
+
+		return quest;
+	}
+	
+	public void triggerEvent(QuestTrigger condType, int... params) {
+		Set<GameQuest> changedQuests = new HashSet<>();
+		
+		this.forEachActiveQuest(quest -> {
+			QuestData data = quest.getData();
+			
+			for (int i = 0; i < data.getFinishCond().length; i++) {
+				if (quest.getFinishProgressList()[i] == 1) {
+					continue;
+				}
+				
+				QuestCondition condition = data.getFinishCond()[i];
+				
+				if (condition.getType() != condType) {
+					continue;
+				}
+				
+				boolean result = getPlayer().getServer().getQuestHandler().triggerContent(quest, condition, params);
+				
+				if (result) {
+					quest.getFinishProgressList()[i] = 1;
+					
+					changedQuests.add(quest);
+				}
+			}
+		});
+		
+		for (GameQuest quest : changedQuests) {
+			LogicType logicType = quest.getData().getFailCondComb();
+			int[] progress = quest.getFinishProgressList();
+			
+			// Handle logical comb
+			boolean finish = LogicType.calculate(logicType, progress);
+
+			// Finish
+			if (finish) {
+				quest.finish();
+			} else {
+				getPlayer().sendPacket(new PacketQuestProgressUpdateNotify(quest));
+				quest.save();
+			}
+		}
+	}
+
+	public void loadFromDatabase() {
+		List<GameMainQuest> quests = DatabaseHelper.getAllQuests(getPlayer());
+		
+		for (GameMainQuest mainQuest : quests) {
+			mainQuest.setOwner(this.getPlayer());
+			
+			for (GameQuest quest : mainQuest.getChildQuests().values()) {
+				quest.setMainQuest(mainQuest);
+				quest.setConfig(GameData.getQuestDataMap().get(quest.getQuestId()));
+			}
+			
+			this.getQuests().put(mainQuest.getParentQuestId(), mainQuest);
+		}
+	}
+}

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

@@ -0,0 +1,11 @@
+package emu.grasscutter.game.quest;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+import emu.grasscutter.game.quest.enums.QuestTrigger;
+
+@Retention(RetentionPolicy.RUNTIME) 
+public @interface QuestValue {
+	QuestTrigger value();
+}

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

@@ -0,0 +1,89 @@
+package emu.grasscutter.game.quest;
+
+import java.util.Set;
+
+import org.reflections.Reflections;
+
+import emu.grasscutter.Grasscutter;
+import emu.grasscutter.data.def.QuestData.QuestCondition;
+import emu.grasscutter.game.quest.handlers.QuestBaseHandler;
+import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
+import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
+
+@SuppressWarnings("unchecked")
+public class ServerQuestHandler {
+	private final Int2ObjectMap<QuestBaseHandler> condHandlers;
+	private final Int2ObjectMap<QuestBaseHandler> contHandlers;
+	private final Int2ObjectMap<QuestBaseHandler> execHandlers;
+	
+	public ServerQuestHandler() {
+		this.condHandlers = new Int2ObjectOpenHashMap<>(); 
+		this.contHandlers = new Int2ObjectOpenHashMap<>();
+		this.execHandlers = new Int2ObjectOpenHashMap<>();
+		
+		this.registerHandlers();
+	}
+
+	public void registerHandlers() {
+		this.registerHandlers(this.condHandlers, "emu.grasscutter.game.quest.conditions");
+		this.registerHandlers(this.contHandlers, "emu.grasscutter.game.quest.content");
+		this.registerHandlers(this.execHandlers, "emu.grasscutter.game.quest.exec");
+	}
+	
+	public void registerHandlers(Int2ObjectMap<QuestBaseHandler> map, String packageName) {
+		Reflections reflections = new Reflections(packageName);
+		Set<?> handlerClasses = reflections.getSubTypesOf(QuestBaseHandler.class);
+		
+		for (Object obj : handlerClasses) {
+			this.registerPacketHandler(map, (Class<? extends QuestBaseHandler>) obj);
+		}
+	}
+
+	public void registerPacketHandler(Int2ObjectMap<QuestBaseHandler> map, Class<? extends QuestBaseHandler> handlerClass) {
+		try {
+			QuestValue opcode = handlerClass.getAnnotation(QuestValue.class);
+
+			if (opcode == null || opcode.value().getValue() <= 0) {
+				return;
+			}
+
+			QuestBaseHandler packetHandler = (QuestBaseHandler) handlerClass.newInstance();
+
+			map.put(opcode.value().getValue(), packetHandler);
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+	}
+	
+	// TODO make cleaner
+	
+	public boolean triggerCondition(GameQuest quest, QuestCondition condition, int... params) {
+		QuestBaseHandler handler = condHandlers.get(condition.getType().getValue());
+
+		if (handler == null || quest.getData() == null) {
+			return false;
+		}
+		
+		return handler.execute(quest, condition, params);
+	}
+	
+	public boolean triggerContent(GameQuest quest, QuestCondition condition, int... params) {
+		QuestBaseHandler handler = contHandlers.get(condition.getType().getValue());
+
+		if (handler == null || quest.getData() == null) {
+			return false;
+		}
+		
+		return handler.execute(quest, condition, params);
+	}
+	
+	public boolean triggerExec(GameQuest quest, QuestCondition condition, int... params) {
+		QuestBaseHandler handler = execHandlers.get(condition.getType().getValue());
+
+		if (handler == null || quest.getData() == null) {
+			return false;
+		}
+		
+		return handler.execute(quest, condition, params);
+	}
+}

src/main/java/emu/grasscutter/game/quest/conditions/BaseCondition.java

@@ -0,0 +1,18 @@
+package emu.grasscutter.game.quest.conditions;
+
+import emu.grasscutter.data.def.QuestData.QuestCondition;
+import emu.grasscutter.game.quest.QuestValue;
+import emu.grasscutter.game.quest.GameQuest;
+import emu.grasscutter.game.quest.enums.QuestTrigger;
+import emu.grasscutter.game.quest.handlers.QuestBaseHandler;
+
+@QuestValue(QuestTrigger.QUEST_CONTENT_NONE)
+public class BaseCondition extends QuestBaseHandler {
+
+	@Override
+	public boolean execute(GameQuest quest, QuestCondition condition, int... params) {
+		// TODO Auto-generated method stub
+		return false;
+	}
+	
+}

src/main/java/emu/grasscutter/game/quest/conditions/ConditionPlayerLevelEqualGreater.java

@@ -0,0 +1,17 @@
+package emu.grasscutter.game.quest.conditions;
+
+import emu.grasscutter.data.def.QuestData.QuestCondition;
+import emu.grasscutter.game.quest.QuestValue;
+import emu.grasscutter.game.quest.GameQuest;
+import emu.grasscutter.game.quest.enums.QuestTrigger;
+import emu.grasscutter.game.quest.handlers.QuestBaseHandler;
+
+@QuestValue(QuestTrigger.QUEST_COND_PLAYER_LEVEL_EQUAL_GREATER)
+public class ConditionPlayerLevelEqualGreater extends QuestBaseHandler {
+
+	@Override
+	public boolean execute(GameQuest quest, QuestCondition condition, int... params) {
+		return quest.getOwner().getLevel() >= params[0];
+	}
+	
+}

src/main/java/emu/grasscutter/game/quest/conditions/ConditionStateEqual.java

@@ -0,0 +1,23 @@
+package emu.grasscutter.game.quest.conditions;
+
+import emu.grasscutter.data.def.QuestData.QuestCondition;
+import emu.grasscutter.game.quest.QuestValue;
+import emu.grasscutter.game.quest.GameQuest;
+import emu.grasscutter.game.quest.enums.QuestTrigger;
+import emu.grasscutter.game.quest.handlers.QuestBaseHandler;
+
+@QuestValue(QuestTrigger.QUEST_COND_STATE_EQUAL)
+public class ConditionStateEqual extends QuestBaseHandler {
+
+	@Override
+	public boolean execute(GameQuest quest, QuestCondition condition, int... params) {
+		GameQuest checkQuest = quest.getOwner().getQuestManager().getQuestById(params[0]);
+		
+		if (checkQuest != null) {
+			return checkQuest.getState().getValue() == params[1];
+		}
+		
+		return false; 
+	}
+	
+}

src/main/java/emu/grasscutter/game/quest/content/BaseContent.java

@@ -0,0 +1,18 @@
+package emu.grasscutter.game.quest.content;
+
+import emu.grasscutter.data.def.QuestData.QuestCondition;
+import emu.grasscutter.game.quest.QuestValue;
+import emu.grasscutter.game.quest.GameQuest;
+import emu.grasscutter.game.quest.enums.QuestTrigger;
+import emu.grasscutter.game.quest.handlers.QuestBaseHandler;
+
+@QuestValue(QuestTrigger.QUEST_CONTENT_NONE)
+public class BaseContent extends QuestBaseHandler {
+
+	@Override
+	public boolean execute(GameQuest quest, QuestCondition condition, int... params) {
+		// TODO Auto-generated method stub
+		return false;
+	}
+	
+}

src/main/java/emu/grasscutter/game/quest/content/ContentCompleteTalk.java

@@ -0,0 +1,17 @@
+package emu.grasscutter.game.quest.content;
+
+import emu.grasscutter.data.def.QuestData.QuestCondition;
+import emu.grasscutter.game.quest.QuestValue;
+import emu.grasscutter.game.quest.GameQuest;
+import emu.grasscutter.game.quest.enums.QuestTrigger;
+import emu.grasscutter.game.quest.handlers.QuestBaseHandler;
+
+@QuestValue(QuestTrigger.QUEST_CONTENT_COMPLETE_TALK)
+public class ContentCompleteTalk extends QuestBaseHandler {
+
+	@Override
+	public boolean execute(GameQuest quest, QuestCondition condition, int... params) {
+		return condition.getParam()[0] == params[0];
+	}
+	
+}

src/main/java/emu/grasscutter/game/quest/content/ContentEnterDungeon.java

@@ -0,0 +1,17 @@
+package emu.grasscutter.game.quest.content;
+
+import emu.grasscutter.data.def.QuestData.QuestCondition;
+import emu.grasscutter.game.quest.QuestValue;
+import emu.grasscutter.game.quest.GameQuest;
+import emu.grasscutter.game.quest.enums.QuestTrigger;
+import emu.grasscutter.game.quest.handlers.QuestBaseHandler;
+
+@QuestValue(QuestTrigger.QUEST_CONTENT_ENTER_DUNGEON)
+public class ContentEnterDungeon extends QuestBaseHandler {
+
+	@Override
+	public boolean execute(GameQuest quest, QuestCondition condition, int... params) {
+		return condition.getParam()[0] == params[0];
+	}
+	
+}

src/main/java/emu/grasscutter/game/quest/enums/LogicType.java

@@ -0,0 +1,43 @@
+package emu.grasscutter.game.quest.enums;
+
+import java.util.Arrays;
+
+public enum LogicType {
+	LOGIC_NONE (0),
+	LOGIC_AND (1),
+	LOGIC_OR (2),
+	LOGIC_NOT (3),
+	LOGIC_A_AND_ETCOR (4),
+	LOGIC_A_AND_B_AND_ETCOR (5),
+	LOGIC_A_OR_ETCAND (6),
+	LOGIC_A_OR_B_OR_ETCAND (7),
+	LOGIC_A_AND_B_OR_ETCAND (8);
+	
+	private final int value;
+	
+	LogicType(int id) {
+		this.value = id;
+	}
+
+	public int getValue() {
+		return value;
+	}
+	
+	public static boolean calculate(LogicType logicType, int[] progress) {
+		if (logicType == null) {
+			return progress[0] == 1;
+		}
+		
+		switch (logicType) {
+		case LOGIC_AND -> {
+			return Arrays.stream(progress).allMatch(i -> i == 1);
+		}
+		case LOGIC_OR -> {
+			return Arrays.stream(progress).anyMatch(i -> i == 1);
+		}
+		default	-> {
+			return Arrays.stream(progress).anyMatch(i -> i == 1);
+		}
+	}
+	}
+}

src/main/java/emu/grasscutter/game/quest/enums/ParentQuestState.java

@@ -0,0 +1,18 @@
+package emu.grasscutter.game.quest.enums;
+
+public enum ParentQuestState {
+	PARENT_QUEST_STATE_NONE (0),
+	PARENT_QUEST_STATE_FINISHED (1),
+	PARENT_QUEST_STATE_FAILED (2),
+	PARENT_QUEST_STATE_CANCELED (3);
+	
+	private final int value;
+	
+	ParentQuestState(int id) {
+		this.value = id;
+	}
+
+	public int getValue() {
+		return value;
+	}
+}

src/main/java/emu/grasscutter/game/quest/enums/QuestGuideType.java

@@ -0,0 +1,17 @@
+package emu.grasscutter.game.quest.enums;
+
+public enum QuestGuideType {
+	QUEST_GUIDE_NONE (0),
+	QUEST_GUIDE_LOCATION (1),
+	QUEST_GUIDE_NPC (2);
+	
+	private final int value;
+	
+	QuestGuideType(int id) {
+		this.value = id;
+	}
+
+	public int getValue() {
+		return value;
+	}
+}

src/main/java/emu/grasscutter/game/quest/enums/QuestShowType.java

@@ -0,0 +1,16 @@
+package emu.grasscutter.game.quest.enums;
+
+public enum QuestShowType {
+	QUEST_SHOW (0),
+	QUEST_HIDDEN (1);
+	
+	private final int value;
+	
+	QuestShowType(int id) {
+		this.value = id;
+	}
+
+	public int getValue() {
+		return value;
+	}
+}

src/main/java/emu/grasscutter/game/quest/enums/QuestState.java

@@ -0,0 +1,19 @@
+package emu.grasscutter.game.quest.enums;
+
+public enum QuestState {
+	QUEST_STATE_NONE (0),
+	QUEST_STATE_UNSTARTED (1),
+	QUEST_STATE_UNFINISHED (2),
+	QUEST_STATE_FINISHED (3),
+	QUEST_STATE_FAILED (4);
+	
+	private final int value;
+	
+	QuestState(int id) {
+		this.value = id;
+	}
+
+	public int getValue() {
+		return value;
+	}
+}

src/main/java/emu/grasscutter/game/quest/enums/QuestTrigger.java

@@ -0,0 +1,235 @@
+package emu.grasscutter.game.quest.enums;
+
+public enum QuestTrigger {
+	QUEST_COND_NONE (0),
+	QUEST_COND_STATE_EQUAL (1),
+	QUEST_COND_STATE_NOT_EQUAL (2),
+	QUEST_COND_PACK_HAVE_ITEM (3),
+	QUEST_COND_AVATAR_ELEMENT_EQUAL (4),
+	QUEST_COND_AVATAR_ELEMENT_NOT_EQUAL (5),
+	QUEST_COND_AVATAR_CAN_CHANGE_ELEMENT (6),
+	QUEST_COND_CITY_LEVEL_EQUAL_GREATER (7),
+	QUEST_COND_ITEM_NUM_LESS_THAN (8),
+	QUEST_COND_DAILY_TASK_START (9),
+	QUEST_COND_OPEN_STATE_EQUAL (10),
+	QUEST_COND_DAILY_TASK_OPEN (11),
+	QUEST_COND_DAILY_TASK_REWARD_CAN_GET (12),
+	QUEST_COND_DAILY_TASK_REWARD_RECEIVED (13),
+	QUEST_COND_PLAYER_LEVEL_REWARD_CAN_GET (14),
+	QUEST_COND_EXPLORATION_REWARD_CAN_GET (15),
+	QUEST_COND_IS_WORLD_OWNER (16),
+	QUEST_COND_PLAYER_LEVEL_EQUAL_GREATER (17),
+	QUEST_COND_SCENE_AREA_UNLOCKED (18),
+	QUEST_COND_ITEM_GIVING_ACTIVED (19),
+	QUEST_COND_ITEM_GIVING_FINISHED (20),
+	QUEST_COND_IS_DAYTIME (21),
+	QUEST_COND_CURRENT_AVATAR (22),
+	QUEST_COND_CURRENT_AREA (23),
+	QUEST_COND_QUEST_VAR_EQUAL (24),
+	QUEST_COND_QUEST_VAR_GREATER (25),
+	QUEST_COND_QUEST_VAR_LESS (26),
+	QUEST_COND_FORGE_HAVE_FINISH (27),
+	QUEST_COND_DAILY_TASK_IN_PROGRESS (28),
+	QUEST_COND_DAILY_TASK_FINISHED (29),
+	QUEST_COND_ACTIVITY_COND (30),
+	QUEST_COND_ACTIVITY_OPEN (31),
+	QUEST_COND_DAILY_TASK_VAR_GT (32),
+	QUEST_COND_DAILY_TASK_VAR_EQ (33),
+	QUEST_COND_DAILY_TASK_VAR_LT (34),
+	QUEST_COND_BARGAIN_ITEM_GT (35),
+	QUEST_COND_BARGAIN_ITEM_EQ (36),
+	QUEST_COND_BARGAIN_ITEM_LT (37),
+	QUEST_COND_COMPLETE_TALK (38),
+	QUEST_COND_NOT_HAVE_BLOSSOM_TALK (39),
+	QUEST_COND_IS_CUR_BLOSSOM_TALK (40),
+	QUEST_COND_QUEST_NOT_RECEIVE (41),
+	QUEST_COND_QUEST_SERVER_COND_VALID (42),
+	QUEST_COND_ACTIVITY_CLIENT_COND (43),
+	QUEST_COND_QUEST_GLOBAL_VAR_EQUAL (44),
+	QUEST_COND_QUEST_GLOBAL_VAR_GREATER (45),
+	QUEST_COND_QUEST_GLOBAL_VAR_LESS (46),
+	QUEST_COND_PERSONAL_LINE_UNLOCK (47),
+	QUEST_COND_CITY_REPUTATION_REQUEST (48),
+	QUEST_COND_MAIN_COOP_START (49),
+	QUEST_COND_MAIN_COOP_ENTER_SAVE_POINT (50),
+	QUEST_COND_CITY_REPUTATION_LEVEL (51),
+	QUEST_COND_CITY_REPUTATION_UNLOCK (52),
+	QUEST_COND_LUA_NOTIFY (53),
+	QUEST_COND_CUR_CLIMATE (54),
+	QUEST_COND_ACTIVITY_END (55),
+	QUEST_COND_COOP_POINT_RUNNING (56),
+	QUEST_COND_GADGET_TALK_STATE_EQUAL (57),
+	QUEST_COND_AVATAR_FETTER_GT (58),
+	QUEST_COND_AVATAR_FETTER_EQ (59),
+	QUEST_COND_AVATAR_FETTER_LT (60),
+	QUEST_COND_NEW_HOMEWORLD_MOUDLE_UNLOCK (61),
+	QUEST_COND_NEW_HOMEWORLD_LEVEL_REWARD (62),
+	QUEST_COND_NEW_HOMEWORLD_MAKE_FINISH (63),
+	QUEST_COND_HOMEWORLD_NPC_EVENT (64),
+	QUEST_COND_TIME_VAR_GT_EQ (65),
+	QUEST_COND_TIME_VAR_PASS_DAY (66),
+	QUEST_COND_HOMEWORLD_NPC_NEW_TALK (67),
+	QUEST_COND_PLAYER_CHOOSE_MALE (68),
+	QUEST_COND_HISTORY_GOT_ANY_ITEM (69),
+	QUEST_COND_LEARNED_RECIPE (70),
+	QUEST_COND_LUNARITE_REGION_UNLOCKED (71),
+	QUEST_COND_LUNARITE_HAS_REGION_HINT_COUNT (72),
+	QUEST_COND_LUNARITE_COLLECT_FINISH (73),
+	QUEST_COND_LUNARITE_MARK_ALL_FINISH (74),
+	QUEST_COND_NEW_HOMEWORLD_SHOP_ITEM (75),
+	QUEST_COND_SCENE_POINT_UNLOCK (76),
+	QUEST_COND_SCENE_LEVEL_TAG_EQ (77),
+	
+	QUEST_CONTENT_NONE (0),
+	QUEST_CONTENT_KILL_MONSTER (1),
+	QUEST_CONTENT_COMPLETE_TALK (2),
+	QUEST_CONTENT_MONSTER_DIE (3),
+	QUEST_CONTENT_FINISH_PLOT (4),
+	QUEST_CONTENT_OBTAIN_ITEM (5),
+	QUEST_CONTENT_TRIGGER_FIRE (6),
+	QUEST_CONTENT_CLEAR_GROUP_MONSTER (7),
+	QUEST_CONTENT_NOT_FINISH_PLOT (8),
+	QUEST_CONTENT_ENTER_DUNGEON (9),
+	QUEST_CONTENT_ENTER_MY_WORLD (10),
+	QUEST_CONTENT_FINISH_DUNGEON (11),
+	QUEST_CONTENT_DESTROY_GADGET (12),
+	QUEST_CONTENT_OBTAIN_MATERIAL_WITH_SUBTYPE (13),
+	QUEST_CONTENT_NICK_NAME (14),
+	QUEST_CONTENT_WORKTOP_SELECT (15),
+	QUEST_CONTENT_SEAL_BATTLE_RESULT (16),
+	QUEST_CONTENT_ENTER_ROOM (17),
+	QUEST_CONTENT_GAME_TIME_TICK (18),
+	QUEST_CONTENT_FAIL_DUNGEON (19),
+	QUEST_CONTENT_LUA_NOTIFY (20),
+	QUEST_CONTENT_TEAM_DEAD (21),
+	QUEST_CONTENT_COMPLETE_ANY_TALK (22),
+	QUEST_CONTENT_UNLOCK_TRANS_POINT (23),
+	QUEST_CONTENT_ADD_QUEST_PROGRESS (24),
+	QUEST_CONTENT_INTERACT_GADGET (25),
+	QUEST_CONTENT_DAILY_TASK_COMP_FINISH (26),
+	QUEST_CONTENT_FINISH_ITEM_GIVING (27),
+	QUEST_CONTENT_SKILL (107),
+	QUEST_CONTENT_CITY_LEVEL_UP (109),
+	QUEST_CONTENT_PATTERN_GROUP_CLEAR_MONSTER (110),
+	QUEST_CONTENT_ITEM_LESS_THAN (111),
+	QUEST_CONTENT_PLAYER_LEVEL_UP (112),
+	QUEST_CONTENT_DUNGEON_OPEN_STATUE (113),
+	QUEST_CONTENT_UNLOCK_AREA (114),
+	QUEST_CONTENT_OPEN_CHEST_WITH_GADGET_ID (115),
+	QUEST_CONTENT_UNLOCK_TRANS_POINT_WITH_TYPE (116),
+	QUEST_CONTENT_FINISH_DAILY_DUNGEON (117),
+	QUEST_CONTENT_FINISH_WEEKLY_DUNGEON (118),
+	QUEST_CONTENT_QUEST_VAR_EQUAL (119),
+	QUEST_CONTENT_QUEST_VAR_GREATER (120),
+	QUEST_CONTENT_QUEST_VAR_LESS (121),
+	QUEST_CONTENT_OBTAIN_VARIOUS_ITEM (122),
+	QUEST_CONTENT_FINISH_TOWER_LEVEL (123),
+	QUEST_CONTENT_BARGAIN_SUCC (124),
+	QUEST_CONTENT_BARGAIN_FAIL (125),
+	QUEST_CONTENT_ITEM_LESS_THAN_BARGAIN (126),
+	QUEST_CONTENT_ACTIVITY_TRIGGER_FAILED (127),
+	QUEST_CONTENT_MAIN_COOP_ENTER_SAVE_POINT (128),
+	QUEST_CONTENT_ANY_MANUAL_TRANSPORT (129),
+	QUEST_CONTENT_USE_ITEM (130),
+	QUEST_CONTENT_MAIN_COOP_ENTER_ANY_SAVE_POINT (131),
+	QUEST_CONTENT_ENTER_MY_HOME_WORLD (132),
+	QUEST_CONTENT_ENTER_MY_WORLD_SCENE (133),
+	QUEST_CONTENT_TIME_VAR_GT_EQ (134),
+	QUEST_CONTENT_TIME_VAR_PASS_DAY (135),
+	QUEST_CONTENT_QUEST_STATE_EQUAL (136),
+	QUEST_CONTENT_QUEST_STATE_NOT_EQUAL (137),
+	QUEST_CONTENT_UNLOCKED_RECIPE (138),
+	QUEST_CONTENT_NOT_UNLOCKED_RECIPE (139),
+	QUEST_CONTENT_FISHING_SUCC (140),
+	QUEST_CONTENT_ENTER_ROGUE_DUNGEON (141),
+	QUEST_CONTENT_USE_WIDGET (142),
+	QUEST_CONTENT_CAPTURE_SUCC (143),
+	QUEST_CONTENT_CAPTURE_USE_CAPTURETAG_LIST (144),
+	QUEST_CONTENT_CAPTURE_USE_MATERIAL_LIST (145),
+	QUEST_CONTENT_ENTER_VEHICLE (147),
+	QUEST_CONTENT_SCENE_LEVEL_TAG_EQ (148),
+	QUEST_CONTENT_LEAVE_SCENE (149),
+	QUEST_CONTENT_LEAVE_SCENE_RANGE (150),
+	QUEST_CONTENT_IRODORI_FINISH_FLOWER_COMBINATION (151),
+	QUEST_CONTENT_IRODORI_POETRY_REACH_MIN_PROGRESS (152),
+	QUEST_CONTENT_IRODORI_POETRY_FINISH_FILL_POETRY (153),
+	
+	QUEST_EXEC_NONE (0),
+	QUEST_EXEC_DEL_PACK_ITEM (1),
+	QUEST_EXEC_UNLOCK_POINT (2),
+	QUEST_EXEC_UNLOCK_AREA (3),
+	QUEST_EXEC_UNLOCK_FORCE (4),
+	QUEST_EXEC_LOCK_FORCE (5),
+	QUEST_EXEC_CHANGE_AVATAR_ELEMET (6),
+	QUEST_EXEC_REFRESH_GROUP_MONSTER (7),
+	QUEST_EXEC_SET_IS_FLYABLE (8),
+	QUEST_EXEC_SET_IS_WEATHER_LOCKED (9),
+	QUEST_EXEC_SET_IS_GAME_TIME_LOCKED (10),
+	QUEST_EXEC_SET_IS_TRANSFERABLE (11),
+	QUEST_EXEC_GRANT_TRIAL_AVATAR (12),
+	QUEST_EXEC_OPEN_BORED (13),
+	QUEST_EXEC_ROLLBACK_QUEST (14),
+	QUEST_EXEC_NOTIFY_GROUP_LUA (15),
+	QUEST_EXEC_SET_OPEN_STATE (16),
+	QUEST_EXEC_LOCK_POINT (17),
+	QUEST_EXEC_DEL_PACK_ITEM_BATCH (18),
+	QUEST_EXEC_REFRESH_GROUP_SUITE (19),
+	QUEST_EXEC_REMOVE_TRIAL_AVATAR (20),
+	QUEST_EXEC_SET_GAME_TIME (21),
+	QUEST_EXEC_SET_WEATHER_GADGET (22),
+	QUEST_EXEC_ADD_QUEST_PROGRESS (23),
+	QUEST_EXEC_NOTIFY_DAILY_TASK (24),
+	QUEST_EXEC_CREATE_PATTERN_GROUP (25),
+	QUEST_EXEC_REMOVE_PATTERN_GROUP (26),
+	QUEST_EXEC_REFRESH_GROUP_SUITE_RANDOM (27),
+	QUEST_EXEC_ACTIVE_ITEM_GIVING (28),
+	QUEST_EXEC_DEL_ALL_SPECIFIC_PACK_ITEM (29),
+	QUEST_EXEC_ROLLBACK_PARENT_QUEST (30),
+	QUEST_EXEC_LOCK_AVATAR_TEAM (31),
+	QUEST_EXEC_UNLOCK_AVATAR_TEAM (32),
+	QUEST_EXEC_UPDATE_PARENT_QUEST_REWARD_INDEX (33),
+	QUEST_EXEC_SET_DAILY_TASK_VAR (34),
+	QUEST_EXEC_INC_DAILY_TASK_VAR (35),
+	QUEST_EXEC_DEC_DAILY_TASK_VAR (36),
+	QUEST_EXEC_ACTIVE_ACTIVITY_COND_STATE (37),
+	QUEST_EXEC_INACTIVE_ACTIVITY_COND_STATE (38),
+	QUEST_EXEC_ADD_CUR_AVATAR_ENERGY (39),
+	QUEST_EXEC_START_BARGAIN (41),
+	QUEST_EXEC_STOP_BARGAIN (42),
+	QUEST_EXEC_SET_QUEST_GLOBAL_VAR (43),
+	QUEST_EXEC_INC_QUEST_GLOBAL_VAR (44),
+	QUEST_EXEC_DEC_QUEST_GLOBAL_VAR (45),
+	QUEST_EXEC_REGISTER_DYNAMIC_GROUP (46),
+	QUEST_EXEC_UNREGISTER_DYNAMIC_GROUP (47),
+	QUEST_EXEC_SET_QUEST_VAR (48),
+	QUEST_EXEC_INC_QUEST_VAR (49),
+	QUEST_EXEC_DEC_QUEST_VAR (50),
+	QUEST_EXEC_RANDOM_QUEST_VAR (51),
+	QUEST_EXEC_ACTIVATE_SCANNING_PIC (52),
+	QUEST_EXEC_RELOAD_SCENE_TAG (53),
+	QUEST_EXEC_REGISTER_DYNAMIC_GROUP_ONLY (54),
+	QUEST_EXEC_CHANGE_SKILL_DEPOT (55),
+	QUEST_EXEC_ADD_SCENE_TAG (56),
+	QUEST_EXEC_DEL_SCENE_TAG (57),
+	QUEST_EXEC_INIT_TIME_VAR (58),
+	QUEST_EXEC_CLEAR_TIME_VAR (59),
+	QUEST_EXEC_MODIFY_CLIMATE_AREA (60),
+	QUEST_EXEC_GRANT_TRIAL_AVATAR_AND_LOCK_TEAM (61),
+	QUEST_EXEC_CHANGE_MAP_AREA_STATE (62),
+	QUEST_EXEC_DEACTIVE_ITEM_GIVING (63),
+	QUEST_EXEC_CHANGE_SCENE_LEVEL_TAG (64),
+	QUEST_EXEC_UNLOCK_PLAYER_WORLD_SCENE (65),
+	QUEST_EXEC_LOCK_PLAYER_WORLD_SCENE (66),
+	QUEST_EXEC_FAIL_MAINCOOP (67),
+	QUEST_EXEC_MODIFY_WEATHER_AREA (68);
+	
+	private final int value;
+	
+	QuestTrigger(int id) {
+		this.value = id;
+	}
+
+	public int getValue() {
+		return value;
+	}
+}

src/main/java/emu/grasscutter/game/quest/enums/QuestType.java

@@ -0,0 +1,22 @@
+package emu.grasscutter.game.quest.enums;
+
+public enum QuestType {
+	AQ (0),
+	FQ (1),
+	LQ (2),
+	EQ (3),
+	DQ (4),
+	IQ (5),
+	VQ (6),
+	WQ (7);
+	
+	private final int value;
+	
+	QuestType(int id) {
+		this.value = id;
+	}
+
+	public int getValue() {
+		return value;
+	}
+}

src/main/java/emu/grasscutter/game/quest/enums/ShowQuestGuideType.java

@@ -0,0 +1,17 @@
+package emu.grasscutter.game.quest.enums;
+
+public enum ShowQuestGuideType {
+	QUEST_GUIDE_ITEM_ENABLE (0),
+	QUEST_GUIDE_ITEM_DISABLE (1),
+	QUEST_GUIDE_ITEM_MOVE_HIDE (2);
+	
+	private final int value;
+	
+	ShowQuestGuideType(int id) {
+		this.value = id;
+	}
+
+	public int getValue() {
+		return value;
+	}
+}

src/main/java/emu/grasscutter/game/quest/handlers/QuestBaseHandler.java

@@ -0,0 +1,10 @@
+package emu.grasscutter.game.quest.handlers;
+
+import emu.grasscutter.data.def.QuestData.QuestCondition;
+import emu.grasscutter.game.quest.GameQuest;
+
+public abstract class QuestBaseHandler {
+	
+	public abstract boolean execute(GameQuest quest, QuestCondition condition, int... params);
+	
+}

src/main/java/emu/grasscutter/server/game/GameServer.java

@@ -14,6 +14,8 @@ import emu.grasscutter.game.managers.ChatManager;
 import emu.grasscutter.game.managers.InventoryManager;
 import emu.grasscutter.game.managers.MultiplayerManager;
 import emu.grasscutter.game.player.Player;
+import emu.grasscutter.game.quest.ServerQuestHandler;
+import emu.grasscutter.game.quest.handlers.QuestBaseHandler;
 import emu.grasscutter.game.shop.ShopManager;
 import emu.grasscutter.game.tower.TowerScheduleManager;
 import emu.grasscutter.game.world.World;
@@ -37,7 +39,8 @@ import static emu.grasscutter.Configuration.*;
 public final class GameServer extends KcpServer {
 	private final InetSocketAddress address;
 	private final GameServerPacketHandler packetHandler;
-
+	private final ServerQuestHandler questHandler;
+	
 	private final Map<Integer, Player> players;
 	private final Set<World> worlds;
 	
@@ -68,6 +71,7 @@ public final class GameServer extends KcpServer {
 		this.setServerInitializer(new GameServerInitializer(this));
 		this.address = address;
 		this.packetHandler = new GameServerPacketHandler(PacketHandler.class);
+		this.questHandler = new ServerQuestHandler();
 		this.players = new ConcurrentHashMap<>();
 		this.worlds = Collections.synchronizedSet(new HashSet<>());
 		
@@ -91,6 +95,10 @@ public final class GameServer extends KcpServer {
 		return packetHandler;
 	}
 
+	public ServerQuestHandler getQuestHandler() {
+		return questHandler;
+	}
+
 	public Map<Integer, Player> getPlayers() {
 		return players;
 	}

src/main/java/emu/grasscutter/server/packet/recv/HandlerNpcTalkReq.java

@@ -1,6 +1,7 @@
 package emu.grasscutter.server.packet.recv;
 
 import emu.grasscutter.game.inventory.GameItem;
+import emu.grasscutter.game.quest.enums.QuestTrigger;
 import emu.grasscutter.net.packet.Opcodes;
 import emu.grasscutter.net.packet.PacketOpcodes;
 import emu.grasscutter.net.proto.NpcTalkReqOuterClass.NpcTalkReq;
@@ -14,6 +15,8 @@ public class HandlerNpcTalkReq extends PacketHandler {
 	@Override
 	public void handle(GameSession session, byte[] header, byte[] payload) throws Exception {
 		NpcTalkReq req = NpcTalkReq.parseFrom(payload);
+		
+		session.getPlayer().getQuestManager().triggerEvent(QuestTrigger.QUEST_CONTENT_COMPLETE_TALK, req.getTalkId());
 
 		session.send(new PacketNpcTalkRsp(req.getNpcEntityId(), req.getTalkId(), req.getEntityId()));
 	}

src/main/java/emu/grasscutter/server/packet/send/PacketFinishedParentQuestNotify.java

@@ -0,0 +1,22 @@
+package emu.grasscutter.server.packet.send;
+
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.game.quest.GameMainQuest;
+import emu.grasscutter.net.packet.BasePacket;
+import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.net.proto.FinishedParentQuestNotifyOuterClass.FinishedParentQuestNotify;
+
+public class PacketFinishedParentQuestNotify extends BasePacket {
+	
+	public PacketFinishedParentQuestNotify(Player player) {
+		super(PacketOpcodes.FinishedParentQuestNotify, true);
+
+		FinishedParentQuestNotify.Builder proto = FinishedParentQuestNotify.newBuilder();
+		
+		for (GameMainQuest mainQuest : player.getQuestManager().getQuests().values()) {
+			proto.addParentQuestList(mainQuest.toProto());
+		}
+		
+		this.setData(proto);
+	}
+}

src/main/java/emu/grasscutter/server/packet/send/PacketFinishedParentQuestUpdateNotify.java

@@ -0,0 +1,19 @@
+package emu.grasscutter.server.packet.send;
+
+import emu.grasscutter.game.quest.GameMainQuest;
+import emu.grasscutter.net.packet.BasePacket;
+import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.net.proto.FinishedParentQuestUpdateNotifyOuterClass.FinishedParentQuestUpdateNotify;
+
+public class PacketFinishedParentQuestUpdateNotify extends BasePacket {
+	
+	public PacketFinishedParentQuestUpdateNotify(GameMainQuest quest) {
+		super(PacketOpcodes.FinishedParentQuestUpdateNotify);
+		
+		FinishedParentQuestUpdateNotify proto = FinishedParentQuestUpdateNotify.newBuilder()
+				.addParentQuestList(quest.toProto())
+				.build();
+		
+		this.setData(proto);
+	}
+}

src/main/java/emu/grasscutter/server/packet/send/PacketQuestListNotify.java

@@ -0,0 +1,23 @@
+package emu.grasscutter.server.packet.send;
+
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.game.quest.GameMainQuest;
+import emu.grasscutter.game.quest.QuestManager;
+import emu.grasscutter.net.packet.BasePacket;
+import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.net.proto.QuestListNotifyOuterClass.QuestListNotify;
+
+public class PacketQuestListNotify extends BasePacket {
+	
+	public PacketQuestListNotify(Player player) {
+		super(PacketOpcodes.QuestListNotify, true);
+
+		QuestListNotify.Builder proto = QuestListNotify.newBuilder();
+		
+		player.getQuestManager().forEachQuest(quest -> {
+			proto.addQuestList(quest.toProto());
+		});
+		
+		this.setData(proto);
+	}
+}

src/main/java/emu/grasscutter/server/packet/send/PacketQuestListUpdateNotify.java

@@ -0,0 +1,20 @@
+package emu.grasscutter.server.packet.send;
+
+import emu.grasscutter.game.quest.GameMainQuest;
+import emu.grasscutter.game.quest.GameQuest;
+import emu.grasscutter.net.packet.BasePacket;
+import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.net.proto.QuestListUpdateNotifyOuterClass.QuestListUpdateNotify;
+
+public class PacketQuestListUpdateNotify extends BasePacket {
+	
+	public PacketQuestListUpdateNotify(GameQuest quest) {
+		super(PacketOpcodes.QuestListUpdateNotify);
+
+		QuestListUpdateNotify proto = QuestListUpdateNotify.newBuilder()
+				.addQuestList(quest.toProto())
+				.build();
+		
+		this.setData(proto);
+	}
+}

src/main/java/emu/grasscutter/server/packet/send/PacketQuestProgressUpdateNotify.java

@@ -0,0 +1,30 @@
+package emu.grasscutter.server.packet.send;
+
+import emu.grasscutter.game.quest.GameMainQuest;
+import emu.grasscutter.game.quest.GameQuest;
+import emu.grasscutter.net.packet.BasePacket;
+import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.net.proto.QuestProgressUpdateNotifyOuterClass.QuestProgressUpdateNotify;
+
+public class PacketQuestProgressUpdateNotify extends BasePacket {
+	
+	public PacketQuestProgressUpdateNotify(GameQuest quest) {
+		super(PacketOpcodes.QuestProgressUpdateNotify);
+		
+		QuestProgressUpdateNotify.Builder proto = QuestProgressUpdateNotify.newBuilder().setQuestId(quest.getQuestId());
+		
+		if (quest.getFinishProgressList() != null) {
+			for (int i : quest.getFinishProgressList()) {
+				proto.addFinishProgressList(i);
+			}
+		}
+		
+		if (quest.getFailProgressList() != null) {
+			for (int i : quest.getFailProgressList()) {
+				proto.addFailProgressList(i);
+			}
+		}
+		
+		this.setData(proto);
+	}
+}

src/main/java/emu/grasscutter/server/packet/send/PacketServerCondMeetQuestListUpdateNotify.java

@@ -0,0 +1,34 @@
+package emu.grasscutter.server.packet.send;
+
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.game.quest.GameQuest;
+import emu.grasscutter.net.packet.BasePacket;
+import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.net.proto.ServerCondMeetQuestListUpdateNotifyOuterClass.ServerCondMeetQuestListUpdateNotify;
+
+public class PacketServerCondMeetQuestListUpdateNotify extends BasePacket {
+	
+	public PacketServerCondMeetQuestListUpdateNotify(Player player) {
+		super(PacketOpcodes.ServerCondMeetQuestListUpdateNotify);
+
+		ServerCondMeetQuestListUpdateNotify.Builder proto = ServerCondMeetQuestListUpdateNotify.newBuilder();
+		
+		player.getQuestManager().forEachQuest(quest -> {
+			if (quest.getState().getValue() <= 2) {
+				proto.addAddQuestIdList(quest.getQuestId());
+			}
+		});
+		
+		this.setData(proto);
+	}
+	
+	public PacketServerCondMeetQuestListUpdateNotify(GameQuest quest) {
+		super(PacketOpcodes.ServerCondMeetQuestListUpdateNotify);
+
+		ServerCondMeetQuestListUpdateNotify proto = ServerCondMeetQuestListUpdateNotify.newBuilder()
+				.addAddQuestIdList(quest.getQuestId())
+				.build();
+		
+		this.setData(proto);
+	}
+}

src/main/java/emu/grasscutter/tools/Tools.java

@@ -19,9 +19,11 @@ import emu.grasscutter.command.Command;
 import emu.grasscutter.command.CommandMap;
 import emu.grasscutter.data.GameData;
 import emu.grasscutter.data.ResourceLoader;
+import emu.grasscutter.data.custom.MainQuestData;
 import emu.grasscutter.data.def.AvatarData;
 import emu.grasscutter.data.def.ItemData;
 import emu.grasscutter.data.def.MonsterData;
+import emu.grasscutter.data.def.QuestData;
 import emu.grasscutter.data.def.SceneData;
 import emu.grasscutter.utils.Utils;
 
@@ -88,7 +90,7 @@ public final class Tools {
 final class ToolsWithLanguageOption {
 	@SuppressWarnings("deprecation")
 	public static void createGmHandbook(String language) throws Exception {
-		ResourceLoader.loadResources();
+		ResourceLoader.loadAll();
 		
 		Map<Long, String> map;
 		try (InputStreamReader fileReader = new InputStreamReader(new FileInputStream(Utils.toFilePath(RESOURCE("TextMap/TextMap"+language+".json"))), StandardCharsets.UTF_8)) {
@@ -150,6 +152,18 @@ final class ToolsWithLanguageOption {
 			
 			writer.println();
 			
+			writer.println("// Quests");
+			list = new ArrayList<>(GameData.getQuestDataMap().keySet());
+			Collections.sort(list); 
+			
+			for (Integer id : list) {
+				QuestData data = GameData.getQuestDataMap().get(id);
+				MainQuestData mainQuest = GameData.getMainQuestDataMap().get(data.getMainId());
+				writer.println(data.getId() + " : " + map.get(mainQuest.getTitleTextMapHash()) + " - " + map.get(data.getDescTextMapHash()));
+			}
+			
+			writer.println();
+			
 			writer.println("// Monsters");
 			list = new ArrayList<>(GameData.getMonsterDataMap().keySet());
 			Collections.sort(list); 

src/main/resources/languages/en-US.json

@@ -215,6 +215,14 @@
       "success": "Coordinates: %s, %s, %s\nScene id: %s",
       "description": "Get coordinates."
     },
+    "quest": {
+      "description": "Add or finish quests",
+      "usage": "quest <add|finish> [quest id]",
+      "added": "Quest %s added",
+      "finished": "Finished quest %s",
+      "not_found": "Quest not found",
+      "invalid_id": "Invalid quest id"
+    },
     "reload": {
       "reload_start": "Reloading config.",
       "reload_done": "Reload complete.",