Moon Card

build.gradle

@@ -67,6 +67,9 @@ dependencies {
     implementation group: 'org.greenrobot', name: 'eventbus-java', version: '3.3.1'
     implementation group: 'org.danilopianini', name: 'java-quadtree', version: '0.1.9'
 
+    implementation group: 'org.quartz-scheduler', name: 'quartz', version: '2.3.2'
+    implementation group: 'org.quartz-scheduler', name: 'quartz-jobs', version: '2.3.2'
+
     protobuf files('proto/')
 
 }

src/main/java/emu/grasscutter/game/GenshinPlayer.java

@@ -81,6 +81,11 @@ public class GenshinPlayer {
 	private int mainCharacterId;
 	private boolean godmode;
 
+	private boolean moonCard;
+	private Date moonCardStartTime;
+	private int moonCardDuration;
+	private Set<Date> moonCardGetTimes;
+
 	@Transient private boolean paused;
 	@Transient private int enterSceneToken;
 	@Transient private SceneLoadState sceneState;
@@ -124,6 +129,7 @@ public class GenshinPlayer {
 
 		this.birthday = new PlayerBirthday();
 		this.rewardedLevels = new HashSet<>();
+		this.moonCardGetTimes = new HashSet<>();
 	}
 
 	// On player creation
@@ -486,6 +492,95 @@ public class GenshinPlayer {
 		this.regionId = regionId;
 	}
 
+	public boolean inMoonCard() {
+		return moonCard;
+	}
+
+	public void setMoonCard(boolean moonCard) {
+		this.moonCard = moonCard;
+	}
+
+	public void addMoonCardDays(int days) {
+		this.moonCardDuration += days;
+	}
+
+	public int getMoonCardDuration() {
+		return moonCardDuration;
+	}
+
+	public void setMoonCardDuration(int moonCardDuration) {
+		this.moonCardDuration = moonCardDuration;
+	}
+
+	public Date getMoonCardStartTime() {
+		return moonCardStartTime;
+	}
+
+	public void setMoonCardStartTime(Date moonCardStartTime) {
+		this.moonCardStartTime = moonCardStartTime;
+	}
+
+	public Set<Date> getMoonCardGetTimes() {
+		return moonCardGetTimes;
+	}
+
+	public void setMoonCardGetTimes(Set<Date> moonCardGetTimes) {
+		this.moonCardGetTimes = moonCardGetTimes;
+	}
+
+	public int getMoonCardRemainDays() {
+		Calendar remainCalendar = Calendar.getInstance();
+		remainCalendar.setTime(moonCardStartTime);
+		remainCalendar.add(Calendar.DATE, moonCardDuration);
+		Date theLastDay = remainCalendar.getTime();
+		Date now = DateHelper.onlyYDM(new Date());
+		return (int) ((theLastDay.getTime() - now.getTime()) / (24 * 60 * 60 * 1000)); // By copilot 
+	}
+
+	public void rechargeMoonCard() {
+		LinkedList<GenshinItem> items = new LinkedList<GenshinItem>();
+		for (int i = 0; i < 300; i++) {
+			items.add(new GenshinItem(203));
+		} 
+		inventory.addItems(items);
+		if (!moonCard) {
+			moonCard = true;
+			Date now = new Date();
+			moonCardStartTime = DateHelper.onlyYDM(now);
+			moonCardDuration = 30;
+		} else {
+			moonCardDuration += 30;
+		}
+		if (!moonCardGetTimes.contains(moonCardStartTime)) {
+			moonCardGetTimes.add(moonCardStartTime);
+		}
+	}
+
+	public void getTodayMoonCard() {
+		if (!moonCard) {
+			return;
+		}
+		Date now = DateHelper.onlyYDM(new Date());
+		if (moonCardGetTimes.contains(now)) {
+			return;
+		}
+		Date stopTime = new Date();
+		Calendar stopCalendar = Calendar.getInstance();
+		stopCalendar.setTime(stopTime);
+		stopCalendar.add(Calendar.DATE, moonCardDuration);
+		stopTime = stopCalendar.getTime();
+		if (now.after(stopTime)) {
+			moonCard = false;
+			return;
+		}
+		moonCardGetTimes.add(now);
+		addMoonCardDays(1);
+		GenshinItem genshinItem = new GenshinItem(201, 90);
+		getInventory().addItem(genshinItem);
+		session.send(new PacketItemAddHintNotify(genshinItem, ActionReason.BlessingRedeemReward));
+		session.send(new PacketCardProductRewardNotify(getMoonCardRemainDays()));
+	}
+
 	public boolean inGodmode() {
 		return godmode;
 	}

src/main/java/emu/grasscutter/game/managers/InventoryManager.java

@@ -923,6 +923,11 @@ public class InventoryManager {
 				break;
 		}
 
+		if (useItem.getItemId() == 1202) {
+			player.rechargeMoonCard();
+			used = 1;
+		}
+		
 		if (used > 0) {
 			player.getInventory().removeItem(useItem, used);
 			return useItem;

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

@@ -25,6 +25,7 @@ import emu.grasscutter.server.event.ServerEvent;
 import emu.grasscutter.server.event.game.ServerTickEvent;
 import emu.grasscutter.server.event.internal.ServerStartEvent;
 import emu.grasscutter.server.event.internal.ServerStopEvent;
+import emu.grasscutter.task.TaskMap;
 
 public final class GameServer extends MihoyoKcpServer {
 	private final InetSocketAddress address;
@@ -40,6 +41,7 @@ public final class GameServer extends MihoyoKcpServer {
 	private final MultiplayerManager multiplayerManager;
 	private final DungeonManager dungeonManager;
 	private final CommandMap commandMap;
+	private final TaskMap taskMap;
 	
 	public GameServer(InetSocketAddress address) {
 		super(address);
@@ -57,6 +59,7 @@ public final class GameServer extends MihoyoKcpServer {
 		this.multiplayerManager = new MultiplayerManager(this);
 		this.dungeonManager = new DungeonManager(this);
 		this.commandMap = new CommandMap(true);
+		this.taskMap = new TaskMap(true);
 		
 		// Schedule game loop.
 		Timer gameLoop = new Timer();
@@ -115,6 +118,10 @@ public final class GameServer extends MihoyoKcpServer {
 		return this.commandMap;
 	}
 
+	public TaskMap getTaskMap() {
+		return this.taskMap;
+	}
+	
 	public void registerPlayer(GenshinPlayer player) {
 		getPlayers().put(player.getUid(), player);
 	}

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

@@ -0,0 +1,892 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: CardProductRewardNotify.proto
+
+package emu.grasscutter.net.proto;
+
+public final class CardProductRewardNotifyOuterClass {
+  private CardProductRewardNotifyOuterClass() {}
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistryLite registry) {
+  }
+
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions(
+        (com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+  public interface CardProductRewardNotifyOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:CardProductRewardNotify)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     * <code>string product_id = 1;</code>
+     * @return The productId.
+     */
+    java.lang.String getProductId();
+    /**
+     * <code>string product_id = 1;</code>
+     * @return The bytes for productId.
+     */
+    com.google.protobuf.ByteString
+        getProductIdBytes();
+
+    /**
+     * <code>uint32 hcoin = 2;</code>
+     * @return The hcoin.
+     */
+    int getHcoin();
+
+    /**
+     * <code>uint32 remain_days = 3;</code>
+     * @return The remainDays.
+     */
+    int getRemainDays();
+  }
+  /**
+   * Protobuf type {@code CardProductRewardNotify}
+   */
+  public static final class CardProductRewardNotify extends
+      com.google.protobuf.GeneratedMessageV3 implements
+      // @@protoc_insertion_point(message_implements:CardProductRewardNotify)
+      CardProductRewardNotifyOrBuilder {
+  private static final long serialVersionUID = 0L;
+    // Use CardProductRewardNotify.newBuilder() to construct.
+    private CardProductRewardNotify(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      super(builder);
+    }
+    private CardProductRewardNotify() {
+      productId_ = "";
+    }
+
+    @java.lang.Override
+    @SuppressWarnings({"unused"})
+    protected java.lang.Object newInstance(
+        UnusedPrivateParameter unused) {
+      return new CardProductRewardNotify();
+    }
+
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+    getUnknownFields() {
+      return this.unknownFields;
+    }
+    private CardProductRewardNotify(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      this();
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+          com.google.protobuf.UnknownFieldSet.newBuilder();
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10: {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              productId_ = s;
+              break;
+            }
+            case 16: {
+
+              hcoin_ = input.readUInt32();
+              break;
+            }
+            case 24: {
+
+              remainDays_ = input.readUInt32();
+              break;
+            }
+            default: {
+              if (!parseUnknownField(
+                  input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+          }
+        }
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(
+            e).setUnfinishedMessage(this);
+      } finally {
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
+      }
+    }
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return CardProductRewardNotifyOuterClass.internal_static_CardProductRewardNotify_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return CardProductRewardNotifyOuterClass.internal_static_CardProductRewardNotify_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              CardProductRewardNotifyOuterClass.CardProductRewardNotify.class, CardProductRewardNotifyOuterClass.CardProductRewardNotify.Builder.class);
+    }
+
+    /**
+     * Protobuf enum {@code CardProductRewardNotify.CmdId}
+     */
+    public enum CmdId
+        implements com.google.protobuf.ProtocolMessageEnum {
+      /**
+       * <code>NONE = 0;</code>
+       */
+      NONE(0, 0),
+      /**
+       * <code>ENET_IS_RELIABLE = 1;</code>
+       */
+      ENET_IS_RELIABLE(2, 1),
+      /**
+       * <code>CMD_ID = 4105;</code>
+       */
+      CMD_ID(3, 4105),
+      UNRECOGNIZED(-1, -1),
+      ;
+
+      /**
+       * <code>ENET_CHANNEL_ID = 0;</code>
+       */
+      public static final CmdId ENET_CHANNEL_ID = NONE;
+      /**
+       * <code>NONE = 0;</code>
+       */
+      public static final int NONE_VALUE = 0;
+      /**
+       * <code>ENET_CHANNEL_ID = 0;</code>
+       */
+      public static final int ENET_CHANNEL_ID_VALUE = 0;
+      /**
+       * <code>ENET_IS_RELIABLE = 1;</code>
+       */
+      public static final int ENET_IS_RELIABLE_VALUE = 1;
+      /**
+       * <code>CMD_ID = 4105;</code>
+       */
+      public static final int CMD_ID_VALUE = 4105;
+
+
+      public final int getNumber() {
+        if (index == -1) {
+          throw new java.lang.IllegalArgumentException(
+              "Can't get the number of an unknown enum value.");
+        }
+        return value;
+      }
+
+      /**
+       * @param value The numeric wire value of the corresponding enum entry.
+       * @return The enum associated with the given numeric wire value.
+       * @deprecated Use {@link #forNumber(int)} instead.
+       */
+      @java.lang.Deprecated
+      public static CmdId valueOf(int value) {
+        return forNumber(value);
+      }
+
+      /**
+       * @param value The numeric wire value of the corresponding enum entry.
+       * @return The enum associated with the given numeric wire value.
+       */
+      public static CmdId forNumber(int value) {
+        switch (value) {
+          case 0: return NONE;
+          case 1: return ENET_IS_RELIABLE;
+          case 4105: return CMD_ID;
+          default: return null;
+        }
+      }
+
+      public static com.google.protobuf.Internal.EnumLiteMap<CmdId>
+          internalGetValueMap() {
+        return internalValueMap;
+      }
+      private static final com.google.protobuf.Internal.EnumLiteMap<
+          CmdId> internalValueMap =
+            new com.google.protobuf.Internal.EnumLiteMap<CmdId>() {
+              public CmdId findValueByNumber(int number) {
+                return CmdId.forNumber(number);
+              }
+            };
+
+      public final com.google.protobuf.Descriptors.EnumValueDescriptor
+          getValueDescriptor() {
+        if (index == -1) {
+          throw new java.lang.IllegalStateException(
+              "Can't get the descriptor of an unrecognized enum value.");
+        }
+        return getDescriptor().getValues().get(index);
+      }
+      public final com.google.protobuf.Descriptors.EnumDescriptor
+          getDescriptorForType() {
+        return getDescriptor();
+      }
+      public static final com.google.protobuf.Descriptors.EnumDescriptor
+          getDescriptor() {
+        return CardProductRewardNotifyOuterClass.CardProductRewardNotify.getDescriptor().getEnumTypes().get(0);
+      }
+
+      private static final CmdId[] VALUES = getStaticValuesArray();
+      private static CmdId[] getStaticValuesArray() {
+        return new CmdId[] {
+          NONE, ENET_CHANNEL_ID, ENET_IS_RELIABLE, CMD_ID, 
+        };
+      }
+      public static CmdId valueOf(
+          com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+        if (desc.getType() != getDescriptor()) {
+          throw new java.lang.IllegalArgumentException(
+            "EnumValueDescriptor is not for this type.");
+        }
+        if (desc.getIndex() == -1) {
+          return UNRECOGNIZED;
+        }
+        return VALUES[desc.getIndex()];
+      }
+
+      private final int index;
+      private final int value;
+
+      private CmdId(int index, int value) {
+        this.index = index;
+        this.value = value;
+      }
+
+      // @@protoc_insertion_point(enum_scope:CardProductRewardNotify.CmdId)
+    }
+
+    public static final int PRODUCT_ID_FIELD_NUMBER = 1;
+    private volatile java.lang.Object productId_;
+    /**
+     * <code>string product_id = 1;</code>
+     * @return The productId.
+     */
+    @java.lang.Override
+    public java.lang.String getProductId() {
+      java.lang.Object ref = productId_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        productId_ = s;
+        return s;
+      }
+    }
+    /**
+     * <code>string product_id = 1;</code>
+     * @return The bytes for productId.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString
+        getProductIdBytes() {
+      java.lang.Object ref = productId_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        productId_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int HCOIN_FIELD_NUMBER = 2;
+    private int hcoin_;
+    /**
+     * <code>uint32 hcoin = 2;</code>
+     * @return The hcoin.
+     */
+    @java.lang.Override
+    public int getHcoin() {
+      return hcoin_;
+    }
+
+    public static final int REMAIN_DAYS_FIELD_NUMBER = 3;
+    private int remainDays_;
+    /**
+     * <code>uint32 remain_days = 3;</code>
+     * @return The remainDays.
+     */
+    @java.lang.Override
+    public int getRemainDays() {
+      return remainDays_;
+    }
+
+    private byte memoizedIsInitialized = -1;
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
+      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(productId_)) {
+        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, productId_);
+      }
+      if (hcoin_ != 0) {
+        output.writeUInt32(2, hcoin_);
+      }
+      if (remainDays_ != 0) {
+        output.writeUInt32(3, remainDays_);
+      }
+      unknownFields.writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(productId_)) {
+        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, productId_);
+      }
+      if (hcoin_ != 0) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeUInt32Size(2, hcoin_);
+      }
+      if (remainDays_ != 0) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeUInt32Size(3, remainDays_);
+      }
+      size += unknownFields.getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+       return true;
+      }
+      if (!(obj instanceof CardProductRewardNotifyOuterClass.CardProductRewardNotify)) {
+        return super.equals(obj);
+      }
+      CardProductRewardNotifyOuterClass.CardProductRewardNotify other = (CardProductRewardNotifyOuterClass.CardProductRewardNotify) obj;
+
+      if (!getProductId()
+          .equals(other.getProductId())) return false;
+      if (getHcoin()
+          != other.getHcoin()) return false;
+      if (getRemainDays()
+          != other.getRemainDays()) return false;
+      if (!unknownFields.equals(other.unknownFields)) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + PRODUCT_ID_FIELD_NUMBER;
+      hash = (53 * hash) + getProductId().hashCode();
+      hash = (37 * hash) + HCOIN_FIELD_NUMBER;
+      hash = (53 * hash) + getHcoin();
+      hash = (37 * hash) + REMAIN_DAYS_FIELD_NUMBER;
+      hash = (53 * hash) + getRemainDays();
+      hash = (29 * hash) + unknownFields.hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static CardProductRewardNotifyOuterClass.CardProductRewardNotify parseFrom(
+        java.nio.ByteBuffer data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static CardProductRewardNotifyOuterClass.CardProductRewardNotify parseFrom(
+        java.nio.ByteBuffer data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static CardProductRewardNotifyOuterClass.CardProductRewardNotify parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static CardProductRewardNotifyOuterClass.CardProductRewardNotify parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static CardProductRewardNotifyOuterClass.CardProductRewardNotify parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static CardProductRewardNotifyOuterClass.CardProductRewardNotify parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static CardProductRewardNotifyOuterClass.CardProductRewardNotify parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static CardProductRewardNotifyOuterClass.CardProductRewardNotify parseFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static CardProductRewardNotifyOuterClass.CardProductRewardNotify parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
+    }
+    public static CardProductRewardNotifyOuterClass.CardProductRewardNotify parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static CardProductRewardNotifyOuterClass.CardProductRewardNotify parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static CardProductRewardNotifyOuterClass.CardProductRewardNotify parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() { return newBuilder(); }
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+    public static Builder newBuilder(CardProductRewardNotifyOuterClass.CardProductRewardNotify prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE
+          ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * Protobuf type {@code CardProductRewardNotify}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
+        // @@protoc_insertion_point(builder_implements:CardProductRewardNotify)
+        CardProductRewardNotifyOuterClass.CardProductRewardNotifyOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return CardProductRewardNotifyOuterClass.internal_static_CardProductRewardNotify_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return CardProductRewardNotifyOuterClass.internal_static_CardProductRewardNotify_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                CardProductRewardNotifyOuterClass.CardProductRewardNotify.class, CardProductRewardNotifyOuterClass.CardProductRewardNotify.Builder.class);
+      }
+
+      // Construct using CardProductRewardNotifyOuterClass.CardProductRewardNotify.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(
+          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessageV3
+                .alwaysUseFieldBuilders) {
+        }
+      }
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        productId_ = "";
+
+        hcoin_ = 0;
+
+        remainDays_ = 0;
+
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return CardProductRewardNotifyOuterClass.internal_static_CardProductRewardNotify_descriptor;
+      }
+
+      @java.lang.Override
+      public CardProductRewardNotifyOuterClass.CardProductRewardNotify getDefaultInstanceForType() {
+        return CardProductRewardNotifyOuterClass.CardProductRewardNotify.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public CardProductRewardNotifyOuterClass.CardProductRewardNotify build() {
+        CardProductRewardNotifyOuterClass.CardProductRewardNotify result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public CardProductRewardNotifyOuterClass.CardProductRewardNotify buildPartial() {
+        CardProductRewardNotifyOuterClass.CardProductRewardNotify result = new CardProductRewardNotifyOuterClass.CardProductRewardNotify(this);
+        result.productId_ = productId_;
+        result.hcoin_ = hcoin_;
+        result.remainDays_ = remainDays_;
+        onBuilt();
+        return result;
+      }
+
+      @java.lang.Override
+      public Builder clone() {
+        return super.clone();
+      }
+      @java.lang.Override
+      public Builder setField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
+        return super.setField(field, value);
+      }
+      @java.lang.Override
+      public Builder clearField(
+          com.google.protobuf.Descriptors.FieldDescriptor field) {
+        return super.clearField(field);
+      }
+      @java.lang.Override
+      public Builder clearOneof(
+          com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+        return super.clearOneof(oneof);
+      }
+      @java.lang.Override
+      public Builder setRepeatedField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          int index, java.lang.Object value) {
+        return super.setRepeatedField(field, index, value);
+      }
+      @java.lang.Override
+      public Builder addRepeatedField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
+        return super.addRepeatedField(field, value);
+      }
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof CardProductRewardNotifyOuterClass.CardProductRewardNotify) {
+          return mergeFrom((CardProductRewardNotifyOuterClass.CardProductRewardNotify)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(CardProductRewardNotifyOuterClass.CardProductRewardNotify other) {
+        if (other == CardProductRewardNotifyOuterClass.CardProductRewardNotify.getDefaultInstance()) return this;
+        if (!other.getProductId().isEmpty()) {
+          productId_ = other.productId_;
+          onChanged();
+        }
+        if (other.getHcoin() != 0) {
+          setHcoin(other.getHcoin());
+        }
+        if (other.getRemainDays() != 0) {
+          setRemainDays(other.getRemainDays());
+        }
+        this.mergeUnknownFields(other.unknownFields);
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        CardProductRewardNotifyOuterClass.CardProductRewardNotify parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = (CardProductRewardNotifyOuterClass.CardProductRewardNotify) e.getUnfinishedMessage();
+          throw e.unwrapIOException();
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+
+      private java.lang.Object productId_ = "";
+      /**
+       * <code>string product_id = 1;</code>
+       * @return The productId.
+       */
+      public java.lang.String getProductId() {
+        java.lang.Object ref = productId_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          productId_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>string product_id = 1;</code>
+       * @return The bytes for productId.
+       */
+      public com.google.protobuf.ByteString
+          getProductIdBytes() {
+        java.lang.Object ref = productId_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          productId_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>string product_id = 1;</code>
+       * @param value The productId to set.
+       * @return This builder for chaining.
+       */
+      public Builder setProductId(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  
+        productId_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>string product_id = 1;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearProductId() {
+        
+        productId_ = getDefaultInstance().getProductId();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>string product_id = 1;</code>
+       * @param value The bytes for productId to set.
+       * @return This builder for chaining.
+       */
+      public Builder setProductIdBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  checkByteStringIsUtf8(value);
+        
+        productId_ = value;
+        onChanged();
+        return this;
+      }
+
+      private int hcoin_ ;
+      /**
+       * <code>uint32 hcoin = 2;</code>
+       * @return The hcoin.
+       */
+      @java.lang.Override
+      public int getHcoin() {
+        return hcoin_;
+      }
+      /**
+       * <code>uint32 hcoin = 2;</code>
+       * @param value The hcoin to set.
+       * @return This builder for chaining.
+       */
+      public Builder setHcoin(int value) {
+        
+        hcoin_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>uint32 hcoin = 2;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearHcoin() {
+        
+        hcoin_ = 0;
+        onChanged();
+        return this;
+      }
+
+      private int remainDays_ ;
+      /**
+       * <code>uint32 remain_days = 3;</code>
+       * @return The remainDays.
+       */
+      @java.lang.Override
+      public int getRemainDays() {
+        return remainDays_;
+      }
+      /**
+       * <code>uint32 remain_days = 3;</code>
+       * @param value The remainDays to set.
+       * @return This builder for chaining.
+       */
+      public Builder setRemainDays(int value) {
+        
+        remainDays_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>uint32 remain_days = 3;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearRemainDays() {
+        
+        remainDays_ = 0;
+        onChanged();
+        return this;
+      }
+      @java.lang.Override
+      public final Builder setUnknownFields(
+          final com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.setUnknownFields(unknownFields);
+      }
+
+      @java.lang.Override
+      public final Builder mergeUnknownFields(
+          final com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.mergeUnknownFields(unknownFields);
+      }
+
+
+      // @@protoc_insertion_point(builder_scope:CardProductRewardNotify)
+    }
+
+    // @@protoc_insertion_point(class_scope:CardProductRewardNotify)
+    private static final CardProductRewardNotifyOuterClass.CardProductRewardNotify DEFAULT_INSTANCE;
+    static {
+      DEFAULT_INSTANCE = new CardProductRewardNotifyOuterClass.CardProductRewardNotify();
+    }
+
+    public static CardProductRewardNotifyOuterClass.CardProductRewardNotify getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<CardProductRewardNotify>
+        PARSER = new com.google.protobuf.AbstractParser<CardProductRewardNotify>() {
+      @java.lang.Override
+      public CardProductRewardNotify parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new CardProductRewardNotify(input, extensionRegistry);
+      }
+    };
+
+    public static com.google.protobuf.Parser<CardProductRewardNotify> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<CardProductRewardNotify> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public CardProductRewardNotifyOuterClass.CardProductRewardNotify getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+
+  }
+
+  private static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_CardProductRewardNotify_descriptor;
+  private static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_CardProductRewardNotify_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor
+      getDescriptor() {
+    return descriptor;
+  }
+  private static  com.google.protobuf.Descriptors.FileDescriptor
+      descriptor;
+  static {
+    java.lang.String[] descriptorData = {
+      "\n\035CardProductRewardNotify.proto\"\240\001\n\027Card" +
+      "ProductRewardNotify\022\022\n\nproduct_id\030\001 \001(\t\022" +
+      "\r\n\005hcoin\030\002 \001(\r\022\023\n\013remain_days\030\003 \001(\r\"M\n\005C" +
+      "mdId\022\010\n\004NONE\020\000\022\023\n\017ENET_CHANNEL_ID\020\000\022\024\n\020E" +
+      "NET_IS_RELIABLE\020\001\022\013\n\006CMD_ID\020\211 \032\002\020\001b\006prot" +
+      "o3"
+    };
+    descriptor = com.google.protobuf.Descriptors.FileDescriptor
+      .internalBuildGeneratedFileFrom(descriptorData,
+        new com.google.protobuf.Descriptors.FileDescriptor[] {
+        });
+    internal_static_CardProductRewardNotify_descriptor =
+      getDescriptor().getMessageTypes().get(0);
+    internal_static_CardProductRewardNotify_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_CardProductRewardNotify_descriptor,
+        new java.lang.String[] { "ProductId", "Hcoin", "RemainDays", });
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}

src/main/java/emu/grasscutter/task/Task.java

@@ -0,0 +1,11 @@
+package emu.grasscutter.task;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+@Retention(RetentionPolicy.RUNTIME)
+public @interface Task {
+    String taskName() default "NO_NAME";
+    String taskCronExpression() default "0 0 0 0 0 ?";
+    String triggerName() default "NO_NAME";
+}

src/main/java/emu/grasscutter/task/TaskHandler.java

@@ -0,0 +1,11 @@
+package emu.grasscutter.task;
+
+import org.quartz.Job;
+import org.quartz.JobExecutionContext;
+import org.quartz.JobExecutionException;
+
+public interface TaskHandler extends Job {
+    default void execute(JobExecutionContext context) throws JobExecutionException {
+        
+    }
+}

src/main/java/emu/grasscutter/task/TaskMap.java

@@ -0,0 +1,95 @@
+package emu.grasscutter.task;
+
+import emu.grasscutter.Grasscutter;
+import emu.grasscutter.game.Account;
+import emu.grasscutter.game.GenshinPlayer;
+
+import org.quartz.CronScheduleBuilder;
+import org.quartz.CronTrigger;
+import org.quartz.JobBuilder;
+import org.quartz.JobDetail;
+import org.quartz.Scheduler;
+import org.quartz.SchedulerException;
+import org.quartz.SchedulerFactory;
+import org.quartz.Trigger;
+import org.quartz.TriggerBuilder;
+import org.quartz.impl.StdSchedulerFactory;
+import org.quartz.spi.MutableTrigger;
+import org.reflections.Reflections;
+
+import java.util.*;
+
+@SuppressWarnings({"UnusedReturnValue", "unused"})
+public final class TaskMap {
+    private final Map<String, TaskHandler> tasks = new HashMap<>();
+    private final Map<String, Task> annotations = new HashMap<>();
+    private final SchedulerFactory schedulerFactory = new StdSchedulerFactory();
+    
+    public TaskMap() {
+        this(false);
+    }
+
+    public TaskMap(boolean scan) {
+        if (scan) this.scan();
+    }
+
+    public static TaskMap getInstance() {
+        return Grasscutter.getGameServer().getTaskMap();
+    }
+
+    public TaskMap registerTask(String taskName, TaskHandler task) {
+        Task annotation = task.getClass().getAnnotation(Task.class);
+        this.annotations.put(taskName, annotation);
+        this.tasks.put(taskName, task);
+
+        // register task
+        try {
+            Scheduler scheduler = schedulerFactory.getScheduler();
+            JobDetail job = JobBuilder
+                        .newJob(task.getClass())
+                        .withIdentity(taskName)
+                        .build();
+            
+            Trigger convTrigger = TriggerBuilder.newTrigger()
+                        .withIdentity(annotation.triggerName())
+                        .withSchedule(CronScheduleBuilder.cronSchedule(annotation.taskCronExpression()))
+                        .build();
+            
+            scheduler.scheduleJob(job, convTrigger);
+            scheduler.start();
+        } catch (SchedulerException e) {
+            e.printStackTrace();
+        }
+
+        return this;
+    }
+
+    public List<TaskHandler> getHandlersAsList() {
+        return new LinkedList<>(this.tasks.values());
+    }
+
+    public HashMap<String, TaskHandler> getHandlers() {
+        return new LinkedHashMap<>(this.tasks);
+    }
+
+    public TaskHandler getHandler(String taskName) {
+        return this.tasks.get(taskName);
+    }
+
+    private void scan() {
+        Reflections reflector = Grasscutter.reflector;
+        Set<Class<?>> classes = reflector.getTypesAnnotatedWith(Task.class);
+        System.out.println("Found " + classes.size() + " tasks.");
+        classes.forEach(annotated -> {
+            try {
+                Task taskData = annotated.getAnnotation(Task.class);
+                Object object = annotated.newInstance();
+                if (object instanceof TaskHandler)
+                    this.registerTask(taskData.taskName(), (TaskHandler) object);
+                else Grasscutter.getLogger().error("Class " + annotated.getName() + " is not a TaskHandler!");
+            } catch (Exception exception) {
+                Grasscutter.getLogger().error("Failed to register task handler for " + annotated.getSimpleName(), exception);
+            }
+        });
+    }
+}

src/main/java/emu/grasscutter/task/tasks/MoonCard.java

@@ -0,0 +1,26 @@
+package emu.grasscutter.task.tasks;
+
+import emu.grasscutter.database.DatabaseManager;
+import emu.grasscutter.game.GenshinPlayer;
+import emu.grasscutter.task.Task;
+import emu.grasscutter.task.TaskHandler;
+
+import java.util.List;
+
+import org.quartz.JobExecutionContext;
+import org.quartz.JobExecutionException;
+
+@Task(taskName = "MoonCard", taskCronExpression = "0 0 0 * * ?", triggerName = "MoonCardTrigger")
+public final class MoonCard implements TaskHandler {
+    @Override
+    public void execute(JobExecutionContext context) throws JobExecutionException {
+        List<GenshinPlayer> players = DatabaseManager.getDatastore().find(GenshinPlayer.class).stream().toList();
+        for (GenshinPlayer player : players) {
+            if (player.isOnline()) {
+                if (player.inMoonCard()) {
+                    player.getTodayMoonCard();
+                }
+            }
+        }
+    }
+}