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.QuestConfig;
 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<QuestConfig> questConfigs = new Int2ObjectOpenHashMap<>();
 	
 	// ExcelConfigs
 	private static final Int2ObjectMap<PlayerLevelData> playerLevelDataMap = new Int2ObjectOpenHashMap<>();
@@ -122,6 +124,10 @@ public class GameData {
 		return getScenePointEntries().get(sceneId + "_" + pointId);
 	}
 
+	public static Int2ObjectMap<QuestConfig> getQuestConfigs() {
+		return questConfigs;
+	}
+
 	public static Int2ObjectMap<AvatarData> getAvatarDataMap() {
 		return avatarDataMap;
 	}

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

@@ -24,6 +24,9 @@ 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.QuestConfig;
+import emu.grasscutter.data.custom.QuestConfigData;
+import emu.grasscutter.data.custom.QuestConfigData.SubQuestConfigData;
 import emu.grasscutter.data.custom.ScenePointEntry;
 import emu.grasscutter.game.world.SpawnDataEntry;
 import emu.grasscutter.game.world.SpawnDataEntry.SpawnGroupEntry;
@@ -57,8 +60,9 @@ 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
@@ -396,6 +400,34 @@ public class ResourceLoader {
 			GameData.getOpenConfigEntries().put(entry.getName(), entry);
 		}
 	}
+	
+	private static void loadQuests() {
+		File folder = new File(Grasscutter.getConfig().RESOURCE_FOLDER + "BinOutput/Quest/");
+		
+		if (!folder.exists()) {
+			return;
+		}
+		
+		for (File file : folder.listFiles()) {
+			QuestConfigData mainQuest = null;
+			
+			try (FileReader fileReader = new FileReader(file)) {
+				mainQuest = Grasscutter.getGsonFactory().fromJson(fileReader, QuestConfigData.class);
+			} catch (Exception e) {
+				e.printStackTrace();
+				continue;
+			}
+			
+			if (mainQuest.getSubQuests() != null) {
+				for (SubQuestConfigData subQuest : mainQuest.getSubQuests()) {
+					QuestConfig quest = new QuestConfig(mainQuest, subQuest);
+					GameData.getQuestConfigs().put(quest.getId(), quest);
+				}
+			}
+		}
+		
+		Grasscutter.getLogger().info("Loaded " + GameData.getQuestConfigs().size() + " Quest Configs");
+	}
 
 	// BinOutput configs
 	

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

@@ -0,0 +1,25 @@
+package emu.grasscutter.data.custom;
+
+import emu.grasscutter.data.custom.QuestConfigData.SubQuestConfigData;
+
+public class QuestConfig {
+	private final QuestConfigData mainQuest;
+	private final SubQuestConfigData subQuest;
+	
+	public QuestConfig(QuestConfigData mainQuest, SubQuestConfigData subQuest) {
+		this.mainQuest = mainQuest;
+		this.subQuest = subQuest;
+	}
+
+	public int getId() {
+		return subQuest.getSubId();
+	}
+
+	public QuestConfigData getMainQuest() {
+		return mainQuest;
+	}
+
+	public SubQuestConfigData getSubQuest() {
+		return subQuest;
+	}
+}

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

@@ -0,0 +1,104 @@
+package emu.grasscutter.data.custom;
+
+import emu.grasscutter.game.quest.enums.LogicType;
+import emu.grasscutter.game.quest.enums.QuestCondType;
+import emu.grasscutter.game.quest.enums.QuestType;
+
+public class QuestConfigData {
+	private int id;
+	private int series;
+	private QuestType type;
+	
+	private long titleTextMapHash;
+	private int[] suggestTrackMainQuestList;
+	private int[] rewardIdList;
+	
+	private SubQuestConfigData[] 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 SubQuestConfigData[] getSubQuests() {
+		return subQuests;
+	}
+
+	public class SubQuestConfigData {
+		private int subId;
+		private int mainId;
+		
+		private LogicType acceptCondComb;
+		private QuestCondition[] acceptCond;
+		
+		private LogicType finishCondComb;
+		private QuestCondition[] finishCond;
+		
+		private LogicType failCondComb;
+		private QuestCondition[] failCond;
+		
+		public int getSubId() {
+			return subId;
+		}
+		
+		public int getMainId() {
+			return mainId;
+		}
+		
+		public LogicType getAcceptCondComb() {
+			return acceptCondComb;
+		}
+		
+		public QuestCondition[] getAcceptCond() {
+			return acceptCond;
+		}
+		
+		public LogicType getFinishCondComb() {
+			return finishCondComb;
+		}
+		
+		public QuestCondition[] getFinishCond() {
+			return finishCond;
+		}
+		
+		public LogicType getFailCondComb() {
+			return failCondComb;
+		}
+		
+		public QuestCondition[] getFailCond() {
+			return failCond;
+		}
+	}
+	
+	public class QuestCondition {
+		private QuestCondType type;
+		private int[] param;
+		
+		public QuestCondType getType() {
+			return type;
+		}
+		
+		public int[] getParam() {
+			return param;
+		}
+	}
+}

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.getDatabase().getCollection("gachas").deleteMany(eq("ownerId", target.getPlayerUid()));
 		// Delete GameItem.class data
 		DatabaseManager.getDatabase().getCollection("items").deleteMany(eq("ownerId", target.getPlayerUid()));
+		// Delete GameMainQuest.class data
+		DatabaseManager.getDatabase().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.getDatastore().delete(mail);
 		return result.wasAcknowledged();
 	}
+	
+	public static List<GameMainQuest> getAllQuests(Player player) {
+		return DatabaseManager.getDatastore().find(GameMainQuest.class).filter(Filters.eq("ownerUid", player.getUid())).stream().toList();
+	}
+	
+	public static void saveQuest(GameMainQuest quest) {
+		DatabaseManager.getDatastore().save(quest);
+	}
+	
+	public static boolean deleteQuest(GameMainQuest quest) {
+		return DatabaseManager.getDatastore().delete(quest).wasAcknowledged();
+	}
 }

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

@@ -20,6 +20,8 @@ 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;
 
 public final class DatabaseManager {
 
@@ -30,7 +32,8 @@ 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 getDatastore() {

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;
@@ -91,6 +94,7 @@ public class Player {
 	@Transient private MailHandler mailHandler;
 	@Transient private MessageHandler messageHandler;
 	@Transient private AbilityManager abilityManager;
+	@Transient private QuestManager questManager;
 	
 	@Transient private SotSManager sotsManager;
 
@@ -145,6 +149,7 @@ 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<>();
@@ -409,6 +414,14 @@ public class Player {
 		return towerManager;
 	}
 
+	public QuestManager getQuestManager() {
+		return questManager;
+	}
+
+	public void setQuestManager(QuestManager questManager) {
+		this.questManager = questManager;
+	}
+
 	public PlayerGachaInfo getGachaInfo() {
 		return gachaInfo;
 	}
@@ -883,9 +896,7 @@ public class Player {
 	}
 
 	public void sendPacket(BasePacket packet) {
-		if (this.hasSentAvatarDataNotify) {
-			this.getSession().send(packet);
-		}
+		this.getSession().send(packet);
 	}
 
 	public OnlinePlayerInfo getOnlinePlayerInfo() {
@@ -1118,7 +1129,23 @@ 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);
@@ -1138,7 +1165,10 @@ 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));
+		
 		getTodayMoonCard(); // The timer works at 0:0, some users log in after that, use this method to check if they have received a reward today or not. If not, send the reward.
 
 		session.send(new PacketPlayerEnterSceneNotify(this)); // Enter game world

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

@@ -0,0 +1,124 @@
+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.data.custom.QuestConfig;
+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 +1,188 @@
+package emu.grasscutter.game.quest;
+
+import dev.morphia.annotations.Entity;
+import dev.morphia.annotations.Transient;
+import emu.grasscutter.data.custom.QuestConfig;
+import emu.grasscutter.data.custom.QuestConfigData.SubQuestConfigData;
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.game.quest.enums.QuestState;
+import emu.grasscutter.net.proto.QuestOuterClass.Quest;
+import emu.grasscutter.server.packet.send.PacketQuestProgressUpdateNotify;
+import emu.grasscutter.utils.Utils;
+
+@Entity
+public class GameQuest {
+	@Transient private GameMainQuest mainQuest;
+	@Transient private QuestConfig config;
+	
+	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, QuestConfig config) {
+		this.mainQuest = mainQuest;
+		this.questId = config.getId();
+		this.mainQuestId = config.getMainQuest().getId();
+		this.config = config;
+		this.acceptTime = Utils.getCurrentSeconds();
+		this.startTime = this.acceptTime;
+		this.state = QuestState.QUEST_STATE_UNFINISHED;
+		
+		if (config.getSubQuest().getFinishCond() != null) {
+			this.finishProgressList = new int[config.getSubQuest().getFinishCond().length];
+		}
+		
+		if (config.getSubQuest().getFailCond() != null) {
+			this.failProgressList = new int[config.getSubQuest().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 QuestConfig getConfig() {
+		return config;
+	}
+
+	public void setConfig(QuestConfig config) {
+		if (this.getQuestId() != config.getId()) return;
+		this.config = 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));
+		
+		// Finish main quest if all child quests are done
+		this.tryFinishMainQuest();
+		this.save();
+	}
+	
+	public boolean tryFinishMainQuest() {
+		try {
+			SubQuestConfigData subQuestData = getConfig().getMainQuest().getSubQuests()[getConfig().getMainQuest().getSubQuests().length - 1];
+			
+			if (subQuestData.getSubId() == this.getQuestId()) {
+				getMainQuest().finish();
+				return true;
+			}
+		} 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 +1,119 @@
+package emu.grasscutter.game.quest;
+
+import java.util.List;
+import java.util.function.Consumer;
+import java.util.function.Function;
+
+import emu.grasscutter.data.GameData;
+import emu.grasscutter.data.custom.QuestConfig;
+import emu.grasscutter.database.DatabaseHelper;
+import emu.grasscutter.game.player.Player;
+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.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) {
+		QuestConfig questConfig = GameData.getQuestConfigs().get(questId);
+		if (questConfig == null) {
+			return null;
+		}
+		
+		GameMainQuest mainQuest = getQuests().get(questConfig.getMainQuest().getId());
+		
+		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);
+			}
+		}
+	}
+	
+	public GameMainQuest addMainQuest(QuestConfig questConfig) {
+		GameMainQuest mainQuest = new GameMainQuest(getPlayer(), questConfig.getMainQuest().getId());
+		getQuests().put(mainQuest.getParentQuestId(), mainQuest);
+
+		getPlayer().sendPacket(new PacketFinishedParentQuestUpdateNotify(mainQuest));
+		
+		return mainQuest;
+	}
+	
+	public GameQuest addQuest(int questId) {
+		QuestConfig questConfig = GameData.getQuestConfigs().get(questId);
+		if (questConfig == null) {
+			return null;
+		}
+		
+		// Main quest
+		GameMainQuest mainQuest = this.getMainQuestById(questConfig.getMainQuest().getId());
+		
+		// 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 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.getQuestConfigs().get(quest.getQuestId()));
+			}
+			
+			this.getQuests().put(mainQuest.getParentQuestId(), mainQuest);
+		}
+	}
+}

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

@@ -0,0 +1,23 @@
+package emu.grasscutter.game.quest.enums;
+
+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;
+	}
+}

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/QuestCondType.java

@@ -0,0 +1,92 @@
+package emu.grasscutter.game.quest.enums;
+
+public enum QuestCondType {
+	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);
+	
+	private final int value;
+	
+	QuestCondType(int id) {
+		this.value = id;
+	}
+
+	public int getValue() {
+		return value;
+	}
+}

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

@@ -0,0 +1,82 @@
+package emu.grasscutter.game.quest.enums;
+
+public enum QuestExecType {
+	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;
+	
+	QuestExecType(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/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/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 +1,37 @@
+package emu.grasscutter.server.packet.send;
+
+import emu.grasscutter.data.GameData;
+import emu.grasscutter.data.custom.QuestConfig;
+import emu.grasscutter.game.player.Player;
+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.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/resources/languages/en-US.json

@@ -210,6 +210,14 @@
       "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.",