Merge branch 'development' into unstable-quests

# Conflicts:
#	src/generated/main/java/emu/grasscutter/net/proto/ResinChangeNotifyOuterClass.java
#	src/main/java/emu/grasscutter/game/managers/ResinManager.java
#	src/main/java/emu/grasscutter/game/player/Player.java
#	src/main/java/emu/grasscutter/game/props/ItemUseAction/ItemUseAddItem.java
#	src/main/java/emu/grasscutter/server/http/dispatch/RegionHandler.java
#	src/main/java/emu/grasscutter/server/packet/send/PacketResinChangeNotify.java
#	src/main/java/emu/grasscutter/utils/Crypto.java

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,7 +1,7 @@
 ## Description
 
 Please carefully read the [Contributing note](https://github.com/Grasscutters/Grasscutter/blob/stable/CONTRIBUTING.md) and [Code of conduct](https://github.com/Grasscutters/Grasscutter/blob/development/CODE_OF_CONDUCT.md) before making any pull requests.
-And, **Do not make a pull request to merge into stable unless it is a hotfix. Use the development branch instead.**
+
 ## Issues fixed by this PR
 
 <!--- Put the links of issues that may be fixed by this PR here (if any). -->
@@ -19,4 +19,4 @@ And, **Do not make a pull request to merge into stable unless it is a hotfix. Us
 - [ ] My code follows the style guidelines of this project
 - [ ] My pull request is unique and no other pull requests have been opened for these changes
 - [ ] I have read the [Contributing note](https://github.com/Grasscutters/Grasscutter/blob/stable/CONTRIBUTING.md) and [Code of conduct](https://github.com/Grasscutters/Grasscutter/blob/development/CODE_OF_CONDUCT.md)
-- [ ] I am responsible for any copyright issues with my code if it occurs in the future.
+- [ ] I am responsible for any copyright issues with my code if it occurs in the future.

src/generated/main/java/emu/grasscutter/net/proto/BuyResinReqOuterClass.java

@@ -0,0 +1,475 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: BuyResinReq.proto
+
+package emu.grasscutter.net.proto;
+
+public final class BuyResinReqOuterClass {
+  private BuyResinReqOuterClass() {}
+  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 BuyResinReqOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:BuyResinReq)
+      com.google.protobuf.MessageOrBuilder {
+  }
+  /**
+   * <pre>
+   * Name: NIBFJEFHMIM
+   * CmdId: 630
+   * </pre>
+   *
+   * Protobuf type {@code BuyResinReq}
+   */
+  public static final class BuyResinReq extends
+      com.google.protobuf.GeneratedMessageV3 implements
+      // @@protoc_insertion_point(message_implements:BuyResinReq)
+      BuyResinReqOrBuilder {
+  private static final long serialVersionUID = 0L;
+    // Use BuyResinReq.newBuilder() to construct.
+    private BuyResinReq(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      super(builder);
+    }
+    private BuyResinReq() {
+    }
+
+    @java.lang.Override
+    @SuppressWarnings({"unused"})
+    protected java.lang.Object newInstance(
+        UnusedPrivateParameter unused) {
+      return new BuyResinReq();
+    }
+
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+    getUnknownFields() {
+      return this.unknownFields;
+    }
+    private BuyResinReq(
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+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      this();
+      if (extensionRegistry == null) {
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+      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
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+
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+        java.nio.ByteBuffer data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq parseFrom(
+        java.nio.ByteBuffer data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq 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 emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
+    }
+    public static emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq parseDelimitedFrom(
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+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq 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(emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+    @java.lang.Override
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+          ? new Builder() : new Builder().mergeFrom(this);
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+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * <pre>
+     * Name: NIBFJEFHMIM
+     * CmdId: 630
+     * </pre>
+     *
+     * Protobuf type {@code BuyResinReq}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
+        // @@protoc_insertion_point(builder_implements:BuyResinReq)
+        emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReqOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return emu.grasscutter.net.proto.BuyResinReqOuterClass.internal_static_BuyResinReq_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+          internalGetFieldAccessorTable() {
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+      }
+
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+      private Builder() {
+        maybeForceBuilderInitialization();
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+      private Builder(
+          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
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+        maybeForceBuilderInitialization();
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+        if (com.google.protobuf.GeneratedMessageV3
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+      }
+
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+        return emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq build() {
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+        if (!result.isInitialized()) {
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+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq buildPartial() {
+        emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq result = new emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq(this);
+        onBuilt();
+        return result;
+      }
+
+      @java.lang.Override
+      public Builder clone() {
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+          com.google.protobuf.Descriptors.FieldDescriptor field,
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+      @java.lang.Override
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+          com.google.protobuf.Descriptors.FieldDescriptor field,
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+          return this;
+        }
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+
+      public Builder mergeFrom(emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq other) {
+        if (other == emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq.getDefaultInstance()) return this;
+        this.mergeUnknownFields(other.unknownFields);
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
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+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = (emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq) e.getUnfinishedMessage();
+          throw e.unwrapIOException();
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
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+        return this;
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+      @java.lang.Override
+      public final Builder setUnknownFields(
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+      @java.lang.Override
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+          final com.google.protobuf.UnknownFieldSet unknownFields) {
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+
+
+      // @@protoc_insertion_point(builder_scope:BuyResinReq)
+    }
+
+    // @@protoc_insertion_point(class_scope:BuyResinReq)
+    private static final emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq DEFAULT_INSTANCE;
+    static {
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+    }
+
+    public static emu.grasscutter.net.proto.BuyResinReqOuterClass.BuyResinReq getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
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+        PARSER = new com.google.protobuf.AbstractParser<BuyResinReq>() {
+      @java.lang.Override
+      public BuyResinReq parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new BuyResinReq(input, extensionRegistry);
+      }
+    };
+
+    public static com.google.protobuf.Parser<BuyResinReq> parser() {
+      return PARSER;
+    }
+
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+    }
+
+    @java.lang.Override
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+    }
+
+  }
+
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+  private static final 
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+      internal_static_BuyResinReq_fieldAccessorTable;
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+  public static com.google.protobuf.Descriptors.FileDescriptor
+      getDescriptor() {
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+  static {
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+}

src/generated/main/java/emu/grasscutter/net/proto/BuyResinRspOuterClass.java

@@ -0,0 +1,616 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: BuyResinRsp.proto
+
+package emu.grasscutter.net.proto;
+
+public final class BuyResinRspOuterClass {
+  private BuyResinRspOuterClass() {}
+  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 BuyResinRspOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:BuyResinRsp)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     * <code>int32 retcode = 9;</code>
+     * @return The retcode.
+     */
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+
+    /**
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+     * @return The curValue.
+     */
+    int getCurValue();
+  }
+  /**
+   * <pre>
+   * Name: PFLBPGOHFKJ
+   * CmdId: 687
+   * </pre>
+   *
+   * Protobuf type {@code BuyResinRsp}
+   */
+  public static final class BuyResinRsp extends
+      com.google.protobuf.GeneratedMessageV3 implements
+      // @@protoc_insertion_point(message_implements:BuyResinRsp)
+      BuyResinRspOrBuilder {
+  private static final long serialVersionUID = 0L;
+    // Use BuyResinRsp.newBuilder() to construct.
+    private BuyResinRsp(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      super(builder);
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+    private BuyResinRsp() {
+    }
+
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+    @SuppressWarnings({"unused"})
+    protected java.lang.Object newInstance(
+        UnusedPrivateParameter unused) {
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+
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+      return this.unknownFields;
+    }
+    private BuyResinRsp(
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+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
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+    /**
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+     * @return The curValue.
+     */
+    @java.lang.Override
+    public int getCurValue() {
+      return curValue_;
+    }
+
+    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 (curValue_ != 0) {
+        output.writeUInt32(3, curValue_);
+      }
+      if (retcode_ != 0) {
+        output.writeInt32(9, retcode_);
+      }
+      unknownFields.writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (curValue_ != 0) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeUInt32Size(3, curValue_);
+      }
+      if (retcode_ != 0) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeInt32Size(9, retcode_);
+      }
+      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 emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp)) {
+        return super.equals(obj);
+      }
+      emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp other = (emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp) obj;
+
+      if (getRetcode()
+          != other.getRetcode()) return false;
+      if (getCurValue()
+          != other.getCurValue()) 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) + RETCODE_FIELD_NUMBER;
+      hash = (53 * hash) + getRetcode();
+      hash = (37 * hash) + CUR_VALUE_FIELD_NUMBER;
+      hash = (53 * hash) + getCurValue();
+      hash = (29 * hash) + unknownFields.hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp parseFrom(
+        java.nio.ByteBuffer data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp parseFrom(
+        java.nio.ByteBuffer data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp 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 emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
+    }
+    public static emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp 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 emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp 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(emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp 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;
+    }
+    /**
+     * <pre>
+     * Name: PFLBPGOHFKJ
+     * CmdId: 687
+     * </pre>
+     *
+     * Protobuf type {@code BuyResinRsp}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
+        // @@protoc_insertion_point(builder_implements:BuyResinRsp)
+        emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRspOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return emu.grasscutter.net.proto.BuyResinRspOuterClass.internal_static_BuyResinRsp_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return emu.grasscutter.net.proto.BuyResinRspOuterClass.internal_static_BuyResinRsp_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp.class, emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp.Builder.class);
+      }
+
+      // Construct using emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp.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();
+        retcode_ = 0;
+
+        curValue_ = 0;
+
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return emu.grasscutter.net.proto.BuyResinRspOuterClass.internal_static_BuyResinRsp_descriptor;
+      }
+
+      @java.lang.Override
+      public emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp getDefaultInstanceForType() {
+        return emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp build() {
+        emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp buildPartial() {
+        emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp result = new emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp(this);
+        result.retcode_ = retcode_;
+        result.curValue_ = curValue_;
+        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 emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp) {
+          return mergeFrom((emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp other) {
+        if (other == emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp.getDefaultInstance()) return this;
+        if (other.getRetcode() != 0) {
+          setRetcode(other.getRetcode());
+        }
+        if (other.getCurValue() != 0) {
+          setCurValue(other.getCurValue());
+        }
+        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 {
+        emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = (emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp) e.getUnfinishedMessage();
+          throw e.unwrapIOException();
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+
+      private int retcode_ ;
+      /**
+       * <code>int32 retcode = 9;</code>
+       * @return The retcode.
+       */
+      @java.lang.Override
+      public int getRetcode() {
+        return retcode_;
+      }
+      /**
+       * <code>int32 retcode = 9;</code>
+       * @param value The retcode to set.
+       * @return This builder for chaining.
+       */
+      public Builder setRetcode(int value) {
+        
+        retcode_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>int32 retcode = 9;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearRetcode() {
+        
+        retcode_ = 0;
+        onChanged();
+        return this;
+      }
+
+      private int curValue_ ;
+      /**
+       * <code>uint32 cur_value = 3;</code>
+       * @return The curValue.
+       */
+      @java.lang.Override
+      public int getCurValue() {
+        return curValue_;
+      }
+      /**
+       * <code>uint32 cur_value = 3;</code>
+       * @param value The curValue to set.
+       * @return This builder for chaining.
+       */
+      public Builder setCurValue(int value) {
+        
+        curValue_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>uint32 cur_value = 3;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearCurValue() {
+        
+        curValue_ = 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:BuyResinRsp)
+    }
+
+    // @@protoc_insertion_point(class_scope:BuyResinRsp)
+    private static final emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp DEFAULT_INSTANCE;
+    static {
+      DEFAULT_INSTANCE = new emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp();
+    }
+
+    public static emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<BuyResinRsp>
+        PARSER = new com.google.protobuf.AbstractParser<BuyResinRsp>() {
+      @java.lang.Override
+      public BuyResinRsp parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new BuyResinRsp(input, extensionRegistry);
+      }
+    };
+
+    public static com.google.protobuf.Parser<BuyResinRsp> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<BuyResinRsp> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public emu.grasscutter.net.proto.BuyResinRspOuterClass.BuyResinRsp getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+
+  }
+
+  private static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_BuyResinRsp_descriptor;
+  private static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_BuyResinRsp_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\021BuyResinRsp.proto\"1\n\013BuyResinRsp\022\017\n\007re" +
+      "tcode\030\t \001(\005\022\021\n\tcur_value\030\003 \001(\rB\033\n\031emu.gr" +
+      "asscutter.net.protob\006proto3"
+    };
+    descriptor = com.google.protobuf.Descriptors.FileDescriptor
+      .internalBuildGeneratedFileFrom(descriptorData,
+        new com.google.protobuf.Descriptors.FileDescriptor[] {
+        });
+    internal_static_BuyResinRsp_descriptor =
+      getDescriptor().getMessageTypes().get(0);
+    internal_static_BuyResinRsp_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_BuyResinRsp_descriptor,
+        new java.lang.String[] { "Retcode", "CurValue", });
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}

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

@@ -1,154 +1,173 @@
-package emu.grasscutter.game.managers;
+package emu.grasscutter.game.managers;
-
+
-import static emu.grasscutter.config.Configuration.GAME_OPTIONS;
+import emu.grasscutter.game.inventory.GameItem;
-
+import emu.grasscutter.game.player.BasePlayerManager;
-import emu.grasscutter.game.player.BasePlayerManager;
+import emu.grasscutter.game.player.Player;
-import emu.grasscutter.game.player.Player;
+import emu.grasscutter.game.props.ActionReason;
-import emu.grasscutter.game.props.PlayerProperty;
+import emu.grasscutter.game.props.PlayerProperty;
-import emu.grasscutter.game.props.WatcherTriggerType;
+import emu.grasscutter.game.props.WatcherTriggerType;
-import emu.grasscutter.server.packet.send.PacketResinChangeNotify;
+import emu.grasscutter.net.proto.RetcodeOuterClass;
-import emu.grasscutter.utils.Utils;
+import emu.grasscutter.server.packet.send.PacketItemAddHintNotify;
-
+import emu.grasscutter.server.packet.send.PacketResinChangeNotify;
-public class ResinManager extends BasePlayerManager {
+import emu.grasscutter.utils.Utils;
-
+
-    public ResinManager(Player player) {
+import static emu.grasscutter.config.Configuration.GAME_OPTIONS;
-        super(player);
+
-    }
+public class ResinManager extends BasePlayerManager {
-
+    public static final int MAX_RESIN_BUYING_COUNT = 6;
-    /********************
+    public static final int AMOUNT_TO_ADD = 60;
-     * Change resin.
+    public static final int[] HCOIN_NUM_TO_BUY_RESIN = new int[]{50, 100, 100, 150, 200, 200};
-     ********************/
+
-    public synchronized boolean useResin(int amount) {
+    public ResinManager(Player player) {
-        // Check if resin enabled.
+        super(player);
-        if (!GAME_OPTIONS.resinOptions.resinUsage) {
+    }
-            return true;
+
-        }
+    /********************
-
+     * Change resin.
-        int currentResin = this.player.getProperty(PlayerProperty.PROP_PLAYER_RESIN);
+     ********************/
-
+    public synchronized boolean useResin(int amount) {
-        // Check if the player has sufficient resin.
+        // Check if resin enabled.
-        if (currentResin < amount) {
+        if (!GAME_OPTIONS.resinOptions.resinUsage) {
-            return false;
+            return true;
-        }
+        }
-
+
-        // Deduct the resin from the player.
+        int currentResin = this.player.getProperty(PlayerProperty.PROP_PLAYER_RESIN);
-        int newResin = currentResin - amount;
+
-        this.player.setProperty(PlayerProperty.PROP_PLAYER_RESIN, newResin);
+        // Check if the player has sufficient resin.
-
+        if (currentResin < amount) {
-        // Check if this has taken the player under the recharge cap,
+            return false;
-        // starting the recharging process.
+        }
-        if (this.player.getNextResinRefresh() == 0 && newResin < GAME_OPTIONS.resinOptions.cap) {
+
-            int currentTime = Utils.getCurrentSeconds();
+        // Deduct the resin from the player.
-            this.player.setNextResinRefresh(currentTime + GAME_OPTIONS.resinOptions.rechargeTime);
+        int newResin = currentResin - amount;
-        }
+        this.player.setProperty(PlayerProperty.PROP_PLAYER_RESIN, newResin);
-
+
-        // Send packets.
+        // Check if this has taken the player under the recharge cap,
-        this.player.sendPacket(new PacketResinChangeNotify(this.player));
+        // starting the recharging process.
-
+        if (this.player.getNextResinRefresh() == 0 && newResin < GAME_OPTIONS.resinOptions.cap) {
-        // Battle Pass trigger
+            int currentTime = Utils.getCurrentSeconds();
-        this.player
+            this.player.setNextResinRefresh(currentTime + GAME_OPTIONS.resinOptions.rechargeTime);
-                .getBattlePassManager()
+        }
-                .triggerMission(
+
-                        WatcherTriggerType.TRIGGER_COST_MATERIAL, 106, amount); // Resin item id = 106
+        // Send packets.
-
+        this.player.sendPacket(new PacketResinChangeNotify(this.player));
-        return true;
+
-    }
+        // Battle Pass trigger
-
+        this.player.getBattlePassManager().triggerMission(WatcherTriggerType.TRIGGER_COST_MATERIAL, 106, amount); // Resin item id = 106
-    public synchronized boolean useCondensedResin(int amount) {
+
-        // Don't deduct if resin disabled.
+        return true;
-        if (!GAME_OPTIONS.resinOptions.resinUsage) return true;
+    }
-        return this.player.getInventory().payItem(220007, amount);
+
-    }
+    public synchronized boolean useCondensedResin(int amount) {
-
+        // Don't deduct if resin disabled.
-    public synchronized void addResin(int amount) {
+        if (!GAME_OPTIONS.resinOptions.resinUsage) return true;
-        // Check if resin enabled.
+        return this.player.getInventory().payItem(220007, amount);
-        if (!GAME_OPTIONS.resinOptions.resinUsage) {
+    }
-            return;
+
-        }
+    public synchronized void addResin(int amount) {
-
+        // Check if resin enabled.
-        // Add resin.
+        if (!GAME_OPTIONS.resinOptions.resinUsage) {
-        int currentResin = this.player.getProperty(PlayerProperty.PROP_PLAYER_RESIN);
+            return;
-        int newResin = currentResin + amount;
+        }
-        this.player.setProperty(PlayerProperty.PROP_PLAYER_RESIN, newResin);
+
-
+        // Add resin.
-        // Stop recharging if player is now at or over the cap.
+        int currentResin = this.player.getProperty(PlayerProperty.PROP_PLAYER_RESIN);
-        if (newResin >= GAME_OPTIONS.resinOptions.cap) {
+        int newResin = currentResin + amount;
-            this.player.setNextResinRefresh(0);
+        this.player.setProperty(PlayerProperty.PROP_PLAYER_RESIN, newResin);
-        }
+
-
+        // Stop recharging if player is now at or over the cap.
-        // Send packets.
+        if (newResin >= GAME_OPTIONS.resinOptions.cap) {
-        this.player.sendPacket(new PacketResinChangeNotify(this.player));
+            this.player.setNextResinRefresh(0);
-    }
+        }
-
+
-    /********************
+        // Send packets.
-     * Recharge resin.
+        this.player.sendPacket(new PacketResinChangeNotify(this.player));
-     ********************/
+    }
-    public synchronized void rechargeResin() {
+
-        // Check if resin enabled.
+    /********************
-        if (!GAME_OPTIONS.resinOptions.resinUsage) {
+     * Recharge resin.
-            return;
+     ********************/
-        }
+    public synchronized void rechargeResin() {
-
+        // Check if resin enabled.
-        int currentResin = this.player.getProperty(PlayerProperty.PROP_PLAYER_RESIN);
+        if (!GAME_OPTIONS.resinOptions.resinUsage) {
-        int currentTime = Utils.getCurrentSeconds();
+            return;
-
+        }
-        // Make sure we are currently in "recharging mode".
+
-        // This is denoted by Player.nextResinRefresh being greater than 0.
+        int currentResin = this.player.getProperty(PlayerProperty.PROP_PLAYER_RESIN);
-        if (this.player.getNextResinRefresh() <= 0) {
+        int currentTime = Utils.getCurrentSeconds();
-            return;
+
-        }
+        // Make sure we are currently in "recharging mode".
-
+        // This is denoted by Player.nextResinRefresh being greater than 0.
-        // Determine if we actually need to recharge yet.
+        if (this.player.getNextResinRefresh() <= 0) {
-        if (currentTime < this.player.getNextResinRefresh()) {
+            return;
-            return;
+        }
-        }
+
-
+        // Determine if we actually need to recharge yet.
-        // Calculate how much resin we need to refill and update player.
+        if (currentTime < this.player.getNextResinRefresh()) {
-        // Note that this can be more than one in case the player
+            return;
-        // logged off with uncapped resin and is now logging in again.
+        }
-        int recharge =
+
-                1
+        // Calculate how much resin we need to refill and update player.
-                        + ((currentTime - this.player.getNextResinRefresh())
+        // Note that this can be more than one in case the player
-                                / GAME_OPTIONS.resinOptions.rechargeTime);
+        // logged off with uncapped resin and is now logging in again.
-        int newResin = Math.min(GAME_OPTIONS.resinOptions.cap, currentResin + recharge);
+        int recharge = 1 + (int)((currentTime - this.player.getNextResinRefresh()) / GAME_OPTIONS.resinOptions.rechargeTime);
-        int resinChange = newResin - currentResin;
+        int newResin = Math.min(GAME_OPTIONS.resinOptions.cap, currentResin + recharge);
-
+        int resinChange = newResin - currentResin;
-        this.player.setProperty(PlayerProperty.PROP_PLAYER_RESIN, newResin);
+
-
+        this.player.setProperty(PlayerProperty.PROP_PLAYER_RESIN, newResin);
-        // Calculate next recharge time.
+
-        // Set to zero to disable recharge (because on/over cap.)
+        // Calculate next recharge time.
-        if (newResin >= GAME_OPTIONS.resinOptions.cap) {
+        // Set to zero to disable recharge (because on/over cap.)
-            this.player.setNextResinRefresh(0);
+        if (newResin >= GAME_OPTIONS.resinOptions.cap) {
-        } else {
+            this.player.setNextResinRefresh(0);
-            int nextRecharge =
+        }
-                    this.player.getNextResinRefresh() + resinChange * GAME_OPTIONS.resinOptions.rechargeTime;
+        else {
-            this.player.setNextResinRefresh(nextRecharge);
+            int nextRecharge = this.player.getNextResinRefresh() + resinChange * GAME_OPTIONS.resinOptions.rechargeTime;
-        }
+            this.player.setNextResinRefresh(nextRecharge);
-
+        }
-        // Send packets.
+
-        this.player.sendPacket(new PacketResinChangeNotify(this.player));
+        // Send packets.
-    }
+        this.player.sendPacket(new PacketResinChangeNotify(this.player));
-
+    }
-    /********************
+
-     * Player login.
+    /********************
-     ********************/
+     * Player login.
-    public synchronized void onPlayerLogin() {
+     ********************/
-        // If resin usage is disabled, set resin to cap.
+    public synchronized void onPlayerLogin() {
-        if (!GAME_OPTIONS.resinOptions.resinUsage) {
+        // If resin usage is disabled, set resin to cap.
-            this.player.setProperty(PlayerProperty.PROP_PLAYER_RESIN, GAME_OPTIONS.resinOptions.cap);
+        if (!GAME_OPTIONS.resinOptions.resinUsage) {
-            this.player.setNextResinRefresh(0);
+            this.player.setProperty(PlayerProperty.PROP_PLAYER_RESIN, GAME_OPTIONS.resinOptions.cap);
-        }
+            this.player.setNextResinRefresh(0);
-
+        }
-        // In case server administrators change the resin cap while players are capped,
+
-        // we need to restart recharging here.
+        // In case server administrators change the resin cap while players are capped,
-        int currentResin = this.player.getProperty(PlayerProperty.PROP_PLAYER_RESIN);
+        // we need to restart recharging here.
-        int currentTime = Utils.getCurrentSeconds();
+        int currentResin = this.player.getProperty(PlayerProperty.PROP_PLAYER_RESIN);
-
+        int currentTime = Utils.getCurrentSeconds();
-        if (currentResin < GAME_OPTIONS.resinOptions.cap && this.player.getNextResinRefresh() == 0) {
+
-            this.player.setNextResinRefresh(currentTime + GAME_OPTIONS.resinOptions.rechargeTime);
+        if (currentResin < GAME_OPTIONS.resinOptions.cap && this.player.getNextResinRefresh() == 0) {
-        }
+            this.player.setNextResinRefresh(currentTime + GAME_OPTIONS.resinOptions.rechargeTime);
-
+        }
-        // Send initial notifications on logon.
+
-        this.player.sendPacket(new PacketResinChangeNotify(this.player));
+        // Send initial notifications on logon.
-    }
+        this.player.sendPacket(new PacketResinChangeNotify(this.player));
-}
+    }
+
+    public int buy() {
+        if (this.player.getResinBuyCount() >= MAX_RESIN_BUYING_COUNT) {
+            return RetcodeOuterClass.Retcode.RET_RESIN_BOUGHT_COUNT_EXCEEDED_VALUE;
+        }
+
+        var res = this.player.getInventory().payItem(201, HCOIN_NUM_TO_BUY_RESIN[this.player.getResinBuyCount()]);
+        if (!res) {
+            return RetcodeOuterClass.Retcode.RET_HCOIN_NOT_ENOUGH_VALUE;
+        }
+
+        this.player.setResinBuyCount(this.player.getResinBuyCount() + 1);
+        this.player.setProperty(PlayerProperty.PROP_PLAYER_WAIT_SUB_HCOIN, 0);
+        this.addResin(AMOUNT_TO_ADD);
+        this.player.sendPacket(new PacketItemAddHintNotify(new GameItem(106, AMOUNT_TO_ADD), ActionReason.BuyResin));
+
+        return 0;
+    }
+}

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

@@ -5,7 +5,7 @@ import emu.grasscutter.GameConstants;
 import emu.grasscutter.Grasscutter;
 import emu.grasscutter.data.GameData;
 import emu.grasscutter.data.excels.PlayerLevelData;
-import emu.grasscutter.data.excels.world.WeatherData;
+import emu.grasscutter.data.excels.WeatherData;
 import emu.grasscutter.database.DatabaseHelper;
 import emu.grasscutter.game.Account;
 import emu.grasscutter.game.CoopRequest;
@@ -15,7 +15,6 @@ import emu.grasscutter.game.activity.ActivityManager;
 import emu.grasscutter.game.avatar.Avatar;
 import emu.grasscutter.game.avatar.AvatarStorage;
 import emu.grasscutter.game.battlepass.BattlePassManager;
-import emu.grasscutter.game.entity.EntityAvatar;
 import emu.grasscutter.game.entity.GameEntity;
 import emu.grasscutter.game.expedition.ExpeditionInfo;
 import emu.grasscutter.game.friends.FriendsList;
@@ -45,26 +44,27 @@ import emu.grasscutter.game.props.ClimateType;
 import emu.grasscutter.game.props.PlayerProperty;
 import emu.grasscutter.game.props.WatcherTriggerType;
 import emu.grasscutter.game.quest.QuestManager;
-import emu.grasscutter.game.quest.enums.QuestCond;
+import emu.grasscutter.game.quest.enums.QuestTrigger;
-import emu.grasscutter.game.quest.enums.QuestContent;
 import emu.grasscutter.game.shop.ShopLimit;
 import emu.grasscutter.game.tower.TowerData;
 import emu.grasscutter.game.tower.TowerManager;
 import emu.grasscutter.game.world.Scene;
 import emu.grasscutter.game.world.World;
 import emu.grasscutter.net.packet.BasePacket;
-import emu.grasscutter.net.proto.*;
 import emu.grasscutter.net.proto.AbilityInvokeEntryOuterClass.AbilityInvokeEntry;
 import emu.grasscutter.net.proto.AttackResultOuterClass.AttackResult;
 import emu.grasscutter.net.proto.CombatInvokeEntryOuterClass.CombatInvokeEntry;
 import emu.grasscutter.net.proto.GadgetInteractReqOuterClass.GadgetInteractReq;
 import emu.grasscutter.net.proto.MpSettingTypeOuterClass.MpSettingType;
 import emu.grasscutter.net.proto.OnlinePlayerInfoOuterClass.OnlinePlayerInfo;
+import emu.grasscutter.net.proto.PlayerApplyEnterMpResultNotifyOuterClass;
 import emu.grasscutter.net.proto.PlayerLocationInfoOuterClass.PlayerLocationInfo;
+import emu.grasscutter.net.proto.PlayerWorldLocationInfoOuterClass;
 import emu.grasscutter.net.proto.ProfilePictureOuterClass.ProfilePicture;
 import emu.grasscutter.net.proto.PropChangeReasonOuterClass.PropChangeReason;
+import emu.grasscutter.net.proto.ShowAvatarInfoOuterClass;
 import emu.grasscutter.net.proto.SocialDetailOuterClass.SocialDetail;
-import emu.grasscutter.net.proto.TrialAvatarGrantRecordOuterClass.TrialAvatarGrantRecord.GrantReason;
+import emu.grasscutter.net.proto.SocialShowAvatarInfoOuterClass;
 import emu.grasscutter.scripts.data.SceneRegion;
 import emu.grasscutter.server.event.player.PlayerJoinEvent;
 import emu.grasscutter.server.event.player.PlayerQuitEvent;
@@ -88,7 +88,6 @@ import java.time.ZoneId;
 import java.util.*;
 import java.util.concurrent.CopyOnWriteArraySet;
 import java.util.concurrent.LinkedBlockingQueue;
-import java.util.stream.Stream;
 
 import static emu.grasscutter.config.Configuration.GAME_OPTIONS;
 
@@ -117,13 +116,12 @@ public class Player {
     @Getter @Setter private int sceneId;
     @Getter @Setter private int regionId;
     @Getter private int mainCharacterId;
-    @Getter @Setter private boolean inGodMode;
+    @Setter private boolean godmode;  // Getter is inGodmode
-    @Getter @Setter private boolean unlimitedStamina;
+    private boolean stamina;  // Getter is getUnlimitedStamina, Setter is setUnlimitedStamina
 
     @Getter private Set<Integer> nameCardList;
     @Getter private Set<Integer> flyCloakList;
     @Getter private Set<Integer> costumeList;
-    @Getter private Set<Integer> personalLineList;
     @Getter @Setter private Set<Integer> rewardedLevels;
     @Getter @Setter private Set<Integer> homeRewardedLevels;
     @Getter @Setter private Set<Integer> realmList;
@@ -205,12 +203,9 @@ public class Player {
     @Getter @Setter private long springLastUsed;
     private HashMap<String, MapMark> mapMarks;  // Getter makes an empty hashmap - maybe do this elsewhere?
     @Getter @Setter private int nextResinRefresh;
+    @Getter @Setter private int resinBuyCount;
     @Getter @Setter private int lastDailyReset;
-    @Getter private transient MpSettingType mpSetting = MpSettingType.MP_SETTING_TYPE_ENTER_AFTER_APPLY;
+    @Getter private transient MpSettingType mpSetting = MpSettingType.MP_SETTING_TYPE_ENTER_AFTER_APPLY;  // TODO
-    @Getter private long playerGameTime = 0;
-
-    @Getter private PlayerProgress playerProgress;
-    @Getter private Set<Integer> activeQuestTimers;
 
     @Deprecated
     @SuppressWarnings({"rawtypes", "unchecked"}) // Morphia only!
@@ -247,7 +242,7 @@ public class Player {
         this.unlockedCombines = new HashSet<>();
         this.unlockedFurniture = new HashSet<>();
         this.unlockedFurnitureSuite = new HashSet<>();
-        this.activeCookCompounds = new HashMap<>();
+        this.activeCookCompounds=new HashMap<>();
         this.activeForges = new ArrayList<>();
         this.unlockedRecipies = new HashMap<>();
         this.questGlobalVariables = new HashMap<>();
@@ -281,7 +276,7 @@ public class Player {
         this.progressManager = new PlayerProgressManager(this);
         this.furnitureManager = new FurnitureManager(this);
         this.cookingManager = new CookingManager(this);
-        this.cookingCompoundManager = new CookingCompoundManager(this);
+        this.cookingCompoundManager=new CookingCompoundManager(this);
         this.satiationManager = new SatiationManager(this);
     }
 
@@ -317,22 +312,10 @@ public class Player {
         this.progressManager = new PlayerProgressManager(this);
         this.furnitureManager = new FurnitureManager(this);
         this.cookingManager = new CookingManager(this);
-        this.cookingCompoundManager = new CookingCompoundManager(this);
+        this.cookingCompoundManager=new CookingCompoundManager(this);
         this.satiationManager = new SatiationManager(this);
     }
 
-    /**
-     * Updates the player's game time if it has changed.
-     *
-     * @param gameTime The new game time.
-     */
-    public void updatePlayerGameTime(long gameTime) {
-        if (this.playerGameTime == gameTime) return;
-        this.playerGameTime = gameTime;
-
-        this.save();
-    }
-
     public int getUid() {
         return id;
     }
@@ -473,8 +456,6 @@ public class Player {
 
             // Handle open state unlocks from level-up.
             this.getProgressManager().tryUnlockOpenStates();
-            this.getQuestManager().queueEvent(QuestContent.QUEST_CONTENT_PLAYER_LEVEL_UP, level);
-            this.getQuestManager().queueEvent(QuestCond.QUEST_COND_PLAYER_LEVEL_EQUAL_GREATER, level);
 
             return true;
         }
@@ -542,7 +523,6 @@ public class Player {
     public boolean setHomeCoin(int coin) {
         return this.setProperty(PlayerProperty.PROP_PLAYER_HOME_COIN, coin);
     }
-
     private int getExpRequired(int level) {
         PlayerLevelData levelData = GameData.getPlayerLevelDataMap().get(level);
         return levelData != null ? levelData.getExp() : 0;
@@ -584,14 +564,14 @@ public class Player {
 
         int newWorldLevel =
             (currentLevel >= 55) ? 8 :
-                (currentLevel >= 50) ? 7 :
+            (currentLevel >= 50) ? 7 :
-                    (currentLevel >= 45) ? 6 :
+            (currentLevel >= 45) ? 6 :
-                        (currentLevel >= 40) ? 5 :
+            (currentLevel >= 40) ? 5 :
-                            (currentLevel >= 35) ? 4 :
+            (currentLevel >= 35) ? 4 :
-                                (currentLevel >= 30) ? 3 :
+            (currentLevel >= 30) ? 3 :
-                                    (currentLevel >= 25) ? 2 :
+            (currentLevel >= 25) ? 2 :
-                                        (currentLevel >= 20) ? 1 :
+            (currentLevel >= 20) ? 1 :
-                                            0;
+            0;
 
         if (newWorldLevel != currentWorldLevel) {
             this.setWorldLevel(newWorldLevel);
@@ -616,12 +596,11 @@ public class Player {
 
     public void onEnterRegion(SceneRegion region) {
         getQuestManager().forEachActiveQuest(quest -> {
-            if (quest.getTriggerData() != null && quest.getTriggers().containsKey("ENTER_REGION_"+ region.config_id)) {
+            if (quest.getTriggers().containsKey("ENTER_REGION_"+ region.config_id)) {
                 // If trigger hasn't been fired yet
-                if (!Boolean.TRUE.equals(quest.getTriggers().put("ENTER_REGION_" + region.config_id, true))) {
+                if (!Boolean.TRUE.equals(quest.getTriggers().put("ENTER_REGION_"+ region.config_id, true))) {
                     //getSession().send(new PacketServerCondMeetQuestListUpdateNotify());
-                    getQuestManager().queueEvent(QuestContent.QUEST_CONTENT_TRIGGER_FIRE,
+                    getQuestManager().triggerEvent(QuestTrigger.QUEST_CONTENT_TRIGGER_FIRE, quest.getTriggerData().get("ENTER_REGION_"+ region.config_id).getId(),0);
-                        quest.getTriggerData().get("ENTER_REGION_" + region.config_id).getId(), 0);
                 }
             }
         });
@@ -630,12 +609,11 @@ public class Player {
 
     public void onLeaveRegion(SceneRegion region) {
         getQuestManager().forEachActiveQuest(quest -> {
-            if (quest.getTriggers().containsKey("LEAVE_REGION_" + region.config_id)) {
+            if (quest.getTriggers().containsKey("LEAVE_REGION_"+ region.config_id)) {
                 // If trigger hasn't been fired yet
-                if (!Boolean.TRUE.equals(quest.getTriggers().put("LEAVE_REGION_" + region.config_id, true))) {
+                if (!Boolean.TRUE.equals(quest.getTriggers().put("LEAVE_REGION_"+ region.config_id, true))) {
                     getSession().send(new PacketServerCondMeetQuestListUpdateNotify());
-                    getQuestManager().queueEvent(QuestContent.QUEST_CONTENT_TRIGGER_FIRE,
+                    getQuestManager().triggerEvent(QuestTrigger.QUEST_CONTENT_TRIGGER_FIRE, quest.getTriggerData().get("LEAVE_REGION_"+ region.config_id).getId(),0);
-                        quest.getTriggerData().get("LEAVE_REGION_" + region.config_id).getId(), 0);
                 }
             }
         });
@@ -727,7 +705,9 @@ public class Player {
         } else {
             moonCardDuration += 30;
         }
-        moonCardGetTimes.add(moonCardStartTime);
+        if (!moonCardGetTimes.contains(moonCardStartTime)) {
+            moonCardGetTimes.add(moonCardStartTime);
+        }
         return true;
     }
 
@@ -796,6 +776,18 @@ public class Player {
         this.save();
     }
 
+    public boolean getUnlimitedStamina() {
+        return stamina;
+    }
+
+    public void setUnlimitedStamina(boolean stamina) {
+        this.stamina = stamina;
+    }
+
+    public boolean inGodmode() {
+        return godmode;
+    }
+
     public boolean hasSentLoginPackets() {
         return hasSentLoginPackets;
     }
@@ -827,85 +819,6 @@ public class Player {
         addAvatar(avatar, true);
     }
 
-    public void addAvatar(int avatarId) {
-        // I dont see why we cant do this lolz
-        addAvatar(new Avatar(avatarId), true);
-    }
-
-    public List<Integer> getTrialAvatarParam (int trialAvatarId) {
-        if (GameData.getTrialAvatarCustomData().isEmpty()) { // use default data if custom data not available
-            if (GameData.getTrialAvatarDataMap().get(trialAvatarId) == null) return List.of();
-
-            return GameData.getTrialAvatarDataMap().get(trialAvatarId)
-                .getTrialAvatarParamList();
-        }
-        // use custom data
-        if (GameData.getTrialAvatarCustomData().get(trialAvatarId) == null) return List.of();
-
-        var trialCustomParams = GameData.getTrialAvatarCustomData().get(trialAvatarId).getTrialAvatarParamList();
-        return trialCustomParams.isEmpty() ? List.of() : Stream.of(trialCustomParams.get(0).split(";")).map(Integer::parseInt).toList();
-    }
-
-    public boolean addTrialAvatar(int trialAvatarId, GrantReason reason, int questMainId){
-        List<Integer> trialAvatarBasicParam = getTrialAvatarParam(trialAvatarId);
-        if (trialAvatarBasicParam.isEmpty()) return false;
-
-        Avatar avatar = new Avatar(trialAvatarBasicParam.get(0));
-        if (avatar.getAvatarData() == null || !hasSentLoginPackets()) return false;
-
-        avatar.setOwner(this);
-        // Add trial weapons and relics
-        avatar.setTrialAvatarInfo(trialAvatarBasicParam.get(1), trialAvatarId, reason, questMainId);
-        avatar.equipTrialItems();
-        // Recalc stats
-        avatar.recalcStats();
-
-        // Packet, mimic official server behaviour, add to player's bag but not saving to db
-        sendPacket(new PacketAvatarAddNotify(avatar, false));
-        // add to avatar to temporary trial team
-        getTeamManager().addAvatarToTrialTeam(avatar);
-        return true;
-    }
-
-    public boolean addTrialAvatarForQuest(int trialAvatarId, int questMainId) {
-        // TODO: Find method for 'setupTrialAvatarTeamForQuest'.
-        getTeamManager().setupTrialAvatars(true);
-        if (!addTrialAvatar(
-            trialAvatarId,
-            GrantReason.GRANT_REASON_BY_QUEST,
-            questMainId)) return false;
-        getTeamManager().trialAvatarTeamPostUpdate();
-        // Packet, mimic official server behaviour, neccessary to stop player from modifying team
-        sendPacket(new PacketAvatarTeamUpdateNotify(this));
-        return true;
-    }
-
-    public void addTrialAvatarsForActivity(List<Integer> trialAvatarIds) {
-        getTeamManager().setupTrialAvatars(false);
-        trialAvatarIds.forEach(trialAvatarId -> addTrialAvatar(
-            trialAvatarId,
-            GrantReason.GRANT_REASON_BY_TRIAL_AVATAR_ACTIVITY,
-            0));
-        getTeamManager().trialAvatarTeamPostUpdate(0);
-    }
-
-    public boolean removeTrialAvatarForQuest(int trialAvatarId) {
-        if (!getTeamManager().isUsingTrialTeam()) return false;
-
-        sendPacket(new PacketAvatarDelNotify(List.of(getTeamManager().getTrialAvatarGuid(trialAvatarId))));
-        getTeamManager().removeTrialAvatarTeam(trialAvatarId);
-        sendPacket(new PacketAvatarTeamUpdateNotify());
-        return true;
-    }
-
-    public void removeTrialAvatarForActivity() {
-        if (!getTeamManager().isUsingTrialTeam()) return;
-
-        sendPacket(new PacketAvatarDelNotify(getTeamManager().getActiveTeam().stream()
-            .map(x -> x.getAvatar().getGuid()).toList()));
-        getTeamManager().removeTrialAvatarTeam();
-    }
-
     public void addFlycloak(int flycloakId) {
         this.getFlyCloakList().add(flycloakId);
         this.sendPacket(new PacketAvatarGainFlycloakNotify(flycloakId));
@@ -916,11 +829,6 @@ public class Player {
         this.sendPacket(new PacketAvatarGainCostumeNotify(costumeId));
     }
 
-    public void addPersonalLine(int personalLineId) {
-        this.getPersonalLineList().add(personalLineId);
-        session.getPlayer().getQuestManager().queueEvent(QuestCond.QUEST_COND_PERSONAL_LINE_UNLOCK, personalLineId);
-    }
-
     public void addNameCard(int nameCardId) {
         this.getNameCardList().add(nameCardId);
         this.sendPacket(new PacketUnlockNameCardNotify(nameCardId));
@@ -936,11 +844,6 @@ public class Player {
         this.sendPacket(new PacketSetNameCardRsp(nameCardId));
     }
 
-    /**
-     * Sends a message to this player.
-     *
-     * @param message The message to send.
-     */
     public void dropMessage(Object message) {
         if (this.messageHandler != null) {
             this.messageHandler.append(message.toString());
@@ -950,46 +853,6 @@ public class Player {
         this.getServer().getChatSystem().sendPrivateMessageFromServer(getUid(), message.toString());
     }
 
-    public void setAvatarsAbilityForScene(Scene scene) {
-        try {
-            var levelEntityConfig = scene.getSceneData().getLevelEntityConfig();
-            var config = GameData.getConfigLevelEntityDataMap().get(levelEntityConfig);
-            if (config == null){
-                return;
-            }
-
-            List<Integer> avatarIds = scene.getSceneData().getSpecifiedAvatarList();
-            List<EntityAvatar> specifiedAvatarList = getTeamManager().getActiveTeam();
-
-            if (avatarIds != null && avatarIds.size() > 0){
-                // certain scene could limit specifc avatars' entry
-                specifiedAvatarList.clear();
-                for (int id : avatarIds){
-                    var avatar = getAvatars().getAvatarById(id);
-                    if (avatar == null){
-                        continue;
-                    }
-                    specifiedAvatarList.add(new EntityAvatar(scene, avatar));
-                }
-            }
-
-            for (EntityAvatar entityAvatar : specifiedAvatarList){
-                var avatarData = entityAvatar.getAvatar().getAvatarData();
-                if (avatarData == null){
-                    continue;
-                }
-                avatarData.buildEmbryo();
-                if (config.getAvatarAbilities() == null){
-                    continue; // continue and not break because has to rebuild ability for the next avatar if any
-                }
-                for (var abilities : config.getAvatarAbilities()){
-                    avatarData.getAbilities().add(Utils.abilityHash(abilities.getAbilityName()));
-                }
-            }
-        } catch (Exception e){
-            Grasscutter.getLogger().error("Error applying level entity config for scene {}", scene.getSceneData().getId(), e);
-        }
-    }
     /**
      * Sends a message to another player.
      *
@@ -1002,9 +865,7 @@ public class Player {
 
     // ---------------------MAIL------------------------
 
-    public List<Mail> getAllMail() {
+    public List<Mail> getAllMail() { return this.getMailHandler().getMail(); }
-        return this.getMailHandler().getMail();
-    }
 
     public void sendMail(Mail message) {
         this.getMailHandler().sendMail(message);
@@ -1014,9 +875,7 @@ public class Player {
         return this.getMailHandler().deleteMail(mailId);
     }
 
-    public Mail getMail(int index) {
+    public Mail getMail(int index) { return this.getMailHandler().getMailById(index); }
-        return this.getMailHandler().getMailById(index);
-    }
 
     public int getMailId(Mail message) {
         return this.getMailHandler().getMailIndex(message);
@@ -1050,13 +909,13 @@ public class Player {
 
     public OnlinePlayerInfo getOnlinePlayerInfo() {
         OnlinePlayerInfo.Builder onlineInfo = OnlinePlayerInfo.newBuilder()
-            .setUid(this.getUid())
+                .setUid(this.getUid())
-            .setNickname(this.getNickname())
+                .setNickname(this.getNickname())
-            .setPlayerLevel(this.getLevel())
+                .setPlayerLevel(this.getLevel())
-            .setMpSettingType(this.getMpSetting())
+                .setMpSettingType(this.getMpSetting())
-            .setNameCardId(this.getNameCardId())
+                .setNameCardId(this.getNameCardId())
-            .setSignature(this.getSignature())
+                .setSignature(this.getSignature())
-            .setProfilePicture(ProfilePicture.newBuilder().setAvatarId(this.getHeadImage()));
+                .setProfilePicture(ProfilePicture.newBuilder().setAvatarId(this.getHeadImage()));
 
         if (this.getWorld() != null) {
             onlineInfo.setCurPlayerNumInWorld(getWorld().getPlayerCount());
@@ -1082,12 +941,12 @@ public class Player {
             if (this.getShowAvatarList() != null) {
                 for (int avatarId : this.getShowAvatarList()) {
                     socialShowAvatarInfoList.add(
-                        socialShowAvatarInfoList.size(),
+                            socialShowAvatarInfoList.size(),
-                        SocialShowAvatarInfoOuterClass.SocialShowAvatarInfo.newBuilder()
+                            SocialShowAvatarInfoOuterClass.SocialShowAvatarInfo.newBuilder()
-                            .setAvatarId(avatarId)
+                                    .setAvatarId(avatarId)
-                            .setLevel(getAvatars().getAvatarById(avatarId).getLevel())
+                                    .setLevel(getAvatars().getAvatarById(avatarId).getLevel())
-                            .setCostumeId(getAvatars().getAvatarById(avatarId).getCostume())
+                                    .setCostumeId(getAvatars().getAvatarById(avatarId).getCostume())
-                            .build()
+                                    .build()
                     );
                 }
             }
@@ -1098,31 +957,32 @@ public class Player {
             if (showAvatarList != null) {
                 for (int avatarId : showAvatarList) {
                     socialShowAvatarInfoList.add(
-                        socialShowAvatarInfoList.size(),
+                            socialShowAvatarInfoList.size(),
-                        SocialShowAvatarInfoOuterClass.SocialShowAvatarInfo.newBuilder()
+                            SocialShowAvatarInfoOuterClass.SocialShowAvatarInfo.newBuilder()
-                            .setAvatarId(avatarId)
+                                    .setAvatarId(avatarId)
-                            .setLevel(avatars.getAvatarById(avatarId).getLevel())
+                                    .setLevel(avatars.getAvatarById(avatarId).getLevel())
-                            .setCostumeId(avatars.getAvatarById(avatarId).getCostume())
+                                    .setCostumeId(avatars.getAvatarById(avatarId).getCostume())
-                            .build()
+                                    .build()
                     );
                 }
             }
         }
 
-        return SocialDetail.newBuilder()
+        SocialDetail.Builder social = SocialDetail.newBuilder()
-            .setUid(this.getUid())
+                .setUid(this.getUid())
-            .setProfilePicture(ProfilePicture.newBuilder().setAvatarId(this.getHeadImage()))
+                .setProfilePicture(ProfilePicture.newBuilder().setAvatarId(this.getHeadImage()))
-            .setNickname(this.getNickname())
+                .setNickname(this.getNickname())
-            .setSignature(this.getSignature())
+                .setSignature(this.getSignature())
-            .setLevel(this.getLevel())
+                .setLevel(this.getLevel())
-            .setBirthday(this.getBirthday().getFilledProtoWhenNotEmpty())
+                .setBirthday(this.getBirthday().getFilledProtoWhenNotEmpty())
-            .setWorldLevel(this.getWorldLevel())
+                .setWorldLevel(this.getWorldLevel())
-            .setNameCardId(this.getNameCardId())
+                .setNameCardId(this.getNameCardId())
-            .setIsShowAvatar(this.isShowAvatars())
+                .setIsShowAvatar(this.isShowAvatars())
-            .addAllShowAvatarInfoList(socialShowAvatarInfoList)
+                .addAllShowAvatarInfoList(socialShowAvatarInfoList)
-            .addAllShowNameCardIdList(this.getShowNameCardInfoList())
+                .addAllShowNameCardIdList(this.getShowNameCardInfoList())
-            .setFinishAchievementNum(this.getFinishedAchievementNum())
+                .setFinishAchievementNum(this.getFinishedAchievementNum())
-            .setFriendEnterHomeOptionValue(this.getHome() == null ? 0 : this.getHome().getEnterHomeOption());
+                .setFriendEnterHomeOptionValue(this.getHome() == null ? 0 : this.getHome().getEnterHomeOption());
+        return social;
     }
 
     public int getFinishedAchievementNum() {
@@ -1165,17 +1025,17 @@ public class Player {
 
     public PlayerWorldLocationInfoOuterClass.PlayerWorldLocationInfo getWorldPlayerLocationInfo() {
         return PlayerWorldLocationInfoOuterClass.PlayerWorldLocationInfo.newBuilder()
-            .setSceneId(this.getSceneId())
+                .setSceneId(this.getSceneId())
-            .setPlayerLoc(this.getPlayerLocationInfo())
+                .setPlayerLoc(this.getPlayerLocationInfo())
-            .build();
+                .build();
     }
 
     public PlayerLocationInfo getPlayerLocationInfo() {
         return PlayerLocationInfo.newBuilder()
-            .setUid(this.getUid())
+                .setUid(this.getUid())
-            .setPos(this.getPosition().toProto())
+                .setPos(this.getPosition().toProto())
-            .setRot(this.getRotation().toProto())
+                .setRot(this.getRotation().toProto())
-            .build();
+                .build();
     }
 
     public void loadBattlePassManager() {
@@ -1185,7 +1045,7 @@ public class Player {
     }
 
     public PlayerCollectionRecords getCollectionRecordStore() {
-        if (this.collectionRecordStore == null) {
+        if (this.collectionRecordStore==null) {
             this.collectionRecordStore = new PlayerCollectionRecords();
         }
         return collectionRecordStore;
@@ -1261,8 +1121,6 @@ public class Player {
 
         // Home resources
         this.getHome().updateHourlyResources(this);
-
-        this.getQuestManager().onTick();
     }
 
     private synchronized void doDailyReset() {
@@ -1292,6 +1150,9 @@ public class Player {
             this.getBattlePassManager().resetWeeklyMissions();
         }
 
+        // Reset resin-buying count.
+        this.setResinBuyCount(0);
+
         // Done. Update last reset time.
         this.setLastDailyReset(currentTime);
     }
@@ -1328,17 +1189,12 @@ public class Player {
         this.achievements = Achievements.getByPlayer(this);
         this.getAvatars().loadFromDatabase();
         this.getInventory().loadFromDatabase();
+        this.loadBattlePassManager(); // Call before avatar postLoad to avoid null pointer
+        this.getAvatars().postLoad(); // Needs to be called after inventory is handled
 
         this.getFriendsList().loadFromDatabase();
         this.getMailHandler().loadFromDatabase();
         this.getQuestManager().loadFromDatabase();
-
-        this.loadBattlePassManager();
-        this.getAvatars().postLoad(); // Needs to be called after inventory is handled
-    }
-
-    public void onPlayerBorn() {
-        getQuestManager().onPlayerBorn();
     }
 
     public void onLogin() {
@@ -1418,8 +1274,7 @@ public class Player {
         session.setState(SessionState.ACTIVE);
 
         // Call join event.
-        PlayerJoinEvent event = new PlayerJoinEvent(this);
+        PlayerJoinEvent event = new PlayerJoinEvent(this); event.call();
-        event.call();
         if (event.isCanceled()) { // If event is not cancelled, continue.
             session.close();
             return;
@@ -1458,12 +1313,11 @@ public class Player {
             this.getFriendsList().save();
 
             // Call quit event.
-            PlayerQuitEvent event = new PlayerQuitEvent(this);
+            PlayerQuitEvent event = new PlayerQuitEvent(this); event.call();
-            event.call();
+        }catch (Throwable e) {
-        } catch (Throwable e) {
             e.printStackTrace();
             Grasscutter.getLogger().warn("Player (UID {}) save failure", getUid());
-        } finally {
+        }finally {
             removeFromServer();
         }
     }
@@ -1478,15 +1332,23 @@ public class Player {
     public int getLegendaryKey() {
         return this.getProperty(PlayerProperty.PROP_PLAYER_LEGENDARY_KEY);
     }
-
     public synchronized void addLegendaryKey(int count) {
         this.setProperty(PlayerProperty.PROP_PLAYER_LEGENDARY_KEY, getLegendaryKey() + count);
     }
-
     public synchronized void useLegendaryKey(int count) {
         this.setProperty(PlayerProperty.PROP_PLAYER_LEGENDARY_KEY, getLegendaryKey() - count);
     }
 
+    public enum SceneLoadState {
+        NONE(0), LOADING(1), INIT(2), LOADED(3);
+
+        @Getter private final int value;
+
+        SceneLoadState(int value) {
+            this.value = value;
+        }
+    }
+
     public int getPropertyMin(PlayerProperty prop) {
         if (prop.isDynamicRange()) {
             return 0;
@@ -1529,15 +1391,4 @@ public class Player {
         }
     }
 
-    public enum SceneLoadState {
-        NONE(0), LOADING(1), INIT(2), LOADED(3);
-
-        @Getter
-        private final int value;
-
-        SceneLoadState(int value) {
-            this.value = value;
-        }
-    }
-
 }

src/main/java/emu/grasscutter/game/props/ItemUseAction/ItemUseAddItem.java

@@ -1,25 +1,25 @@
-package emu.grasscutter.game.props.ItemUseAction;
+package emu.grasscutter.game.props.ItemUseAction;
-
+
-import emu.grasscutter.game.props.ItemUseOp;
+import emu.grasscutter.game.props.ActionReason;
-
+import emu.grasscutter.game.props.ItemUseOp;
-public class ItemUseAddItem extends ItemUseInt {
+
-    private int count = 0;
+public class ItemUseAddItem extends ItemUseInt {
-
+    private int count = 0;
-    public ItemUseAddItem(String[] useParam) {
+
-        super(useParam);
+    @Override
-        try {
+    public ItemUseOp getItemUseOp() {
-            this.count = Integer.parseInt(useParam[1]);
+        return ItemUseOp.ITEM_USE_ADD_ITEM;
-        } catch (NumberFormatException | ArrayIndexOutOfBoundsException ignored) {
+    }
-        }
+
-    }
+    public ItemUseAddItem(String[] useParam) {
-
+        super(useParam);
-    @Override
+        try {
-    public ItemUseOp getItemUseOp() {
+            this.count = Integer.parseInt(useParam[1]);
-        return ItemUseOp.ITEM_USE_ADD_ITEM;
+        } catch (NumberFormatException | ArrayIndexOutOfBoundsException ignored) {}
-    }
+    }
-
+
-    @Override
+    @Override
-    public boolean useItem(UseItemParams params) {
+    public boolean useItem(UseItemParams params) {
-        return params.player.getInventory().addItem(this.i, this.count * params.count);
+        return params.player.getInventory().addItem(this.i, this.count * params.count, ActionReason.PlayerUseItem);
-    }
+    }
-}
+}

src/main/java/emu/grasscutter/server/http/dispatch/RegionHandler.java

@@ -1,330 +1,301 @@
-package emu.grasscutter.server.http.dispatch;
+package emu.grasscutter.server.http.dispatch;
-
+
-import static emu.grasscutter.config.Configuration.*;
+import com.google.protobuf.ByteString;
-
+import emu.grasscutter.GameConstants;
-import com.google.protobuf.ByteString;
+import emu.grasscutter.Grasscutter;
-import emu.grasscutter.Grasscutter;
+import emu.grasscutter.Grasscutter.ServerRunMode;
-import emu.grasscutter.Grasscutter.ServerRunMode;
+import emu.grasscutter.net.proto.QueryRegionListHttpRspOuterClass.QueryRegionListHttpRsp;
-import emu.grasscutter.net.proto.QueryCurrRegionHttpRspOuterClass.QueryCurrRegionHttpRsp;
+import emu.grasscutter.net.proto.QueryCurrRegionHttpRspOuterClass.QueryCurrRegionHttpRsp;
-import emu.grasscutter.net.proto.QueryRegionListHttpRspOuterClass.QueryRegionListHttpRsp;
+import emu.grasscutter.net.proto.RegionSimpleInfoOuterClass.RegionSimpleInfo;
-import emu.grasscutter.net.proto.RegionInfoOuterClass.RegionInfo;
+import emu.grasscutter.net.proto.RegionInfoOuterClass.RegionInfo;
-import emu.grasscutter.net.proto.RegionSimpleInfoOuterClass.RegionSimpleInfo;
+import emu.grasscutter.net.proto.RetcodeOuterClass.Retcode;
-import emu.grasscutter.server.event.dispatch.QueryAllRegionsEvent;
+import emu.grasscutter.net.proto.StopServerInfoOuterClass.StopServerInfo;
-import emu.grasscutter.server.event.dispatch.QueryCurrentRegionEvent;
+import emu.grasscutter.server.event.dispatch.QueryAllRegionsEvent;
-import emu.grasscutter.server.http.Router;
+import emu.grasscutter.server.event.dispatch.QueryCurrentRegionEvent;
-import emu.grasscutter.server.http.objects.QueryCurRegionRspJson;
+import emu.grasscutter.server.http.Router;
-import emu.grasscutter.utils.Crypto;
+import emu.grasscutter.server.http.objects.QueryCurRegionRspJson;
-import emu.grasscutter.utils.Utils;
+import emu.grasscutter.utils.Crypto;
-import io.javalin.Javalin;
+import emu.grasscutter.utils.Utils;
-import io.javalin.http.Context;
+import io.javalin.Javalin;
-import java.io.ByteArrayOutputStream;
+import io.javalin.http.Context;
-import java.security.Signature;
+
-import java.util.ArrayList;
+import java.time.Instant;
-import java.util.Arrays;
+import javax.crypto.Cipher;
-import java.util.List;
+import java.io.ByteArrayOutputStream;
-import java.util.Map;
+import java.util.*;
-import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentHashMap;
-import java.util.regex.Pattern;
+import java.security.Signature;
-import javax.crypto.Cipher;
+import java.util.regex.Pattern;
-import org.slf4j.Logger;
+
-
+import org.slf4j.Logger;
-/** Handles requests related to region queries. */
+
-public final class RegionHandler implements Router {
+import static emu.grasscutter.config.Configuration.*;
-    private static final Map<String, RegionData> regions = new ConcurrentHashMap<>();
+import static emu.grasscutter.utils.Language.translate;
-    private static String regionListResponse;
+
-    private static String regionListResponsecn;
+/**
-
+ * Handles requests related to region queries.
-    public RegionHandler() {
+ */
-        try { // Read & initialize region data.
+public final class RegionHandler implements Router {
-            this.initialize();
+    private static final Map<String, RegionData> regions = new ConcurrentHashMap<>();
-        } catch (Exception exception) {
+    private static String regionListResponse;
-            Grasscutter.getLogger().error("Failed to initialize region data.", exception);
+    private static String regionListResponsecn;
-        }
+
-    }
+    public RegionHandler() {
-
+        try { // Read & initialize region data.
-    /**
+            this.initialize();
-     * Handle query region list request.
+        } catch (Exception exception) {
-     *
+            Grasscutter.getLogger().error("Failed to initialize region data.", exception);
-     * @param ctx The context object for handling the request.
+        }
-     * @route /query_region_list
+    }
-     */
+
-    private static void queryRegionList(Context ctx) {
+    /**
-        // Get logger and query parameters.
+     * Configures region data according to configuration.
-        Logger logger = Grasscutter.getLogger();
+     */
-        if (ctx.queryParamMap().containsKey("version") && ctx.queryParamMap().containsKey("platform")) {
+    private void initialize() {
-            String versionName = ctx.queryParam("version");
+        String dispatchDomain = "http" + (HTTP_ENCRYPTION.useInRouting ? "s" : "") + "://"
-            String versionCode = versionName.replaceAll("[/.0-9]*", "");
+                + lr(HTTP_INFO.accessAddress, HTTP_INFO.bindAddress) + ":"
-            String platformName = ctx.queryParam("platform");
+                + lr(HTTP_INFO.accessPort, HTTP_INFO.bindPort);
-
+
-            // Determine the region list to use based on the version and platform.
+        // Create regions.
-            if ("CNRELiOS".equals(versionCode)
+        List<RegionSimpleInfo> servers = new ArrayList<>();
-                    || "CNRELWin".equals(versionCode)
+        List<String> usedNames = new ArrayList<>(); // List to check for potential naming conflicts.
-                    || "CNRELAndroid".equals(versionCode)) {
+
-                // Use the CN region list.
+        var configuredRegions = new ArrayList<>(List.of(DISPATCH_INFO.regions));
-                QueryAllRegionsEvent event = new QueryAllRegionsEvent(regionListResponsecn);
+        if (SERVER.runMode != ServerRunMode.HYBRID && configuredRegions.size() == 0) {
-                event.call();
+            Grasscutter.getLogger().error("[Dispatch] There are no game servers available. Exiting due to unplayable state.");
-                logger.debug("Connect to Chinese version");
+            System.exit(1);
-
+        } else if (configuredRegions.size() == 0)
-                // Respond with the event result.
+            configuredRegions.add(new Region("os_usa", DISPATCH_INFO.defaultName,
-                ctx.result(event.getRegionList());
+                    lr(GAME_INFO.accessAddress, GAME_INFO.bindAddress),
-            } else if ("OSRELiOS".equals(versionCode)
+                    lr(GAME_INFO.accessPort, GAME_INFO.bindPort)));
-                    || "OSRELWin".equals(versionCode)
+
-                    || "OSRELAndroid".equals(versionCode)) {
+        configuredRegions.forEach(region -> {
-                // Use the OS region list.
+            if (usedNames.contains(region.Name)) {
-                QueryAllRegionsEvent event = new QueryAllRegionsEvent(regionListResponse);
+                Grasscutter.getLogger().error("Region name already in use.");
-                event.call();
+                return;
-                logger.debug("Connect to global version");
+            }
-
+
-                // Respond with the event result.
+            // Create a region identifier.
-                ctx.result(event.getRegionList());
+            var identifier = RegionSimpleInfo.newBuilder()
-            } else {
+                    .setName(region.Name).setTitle(region.Title).setType("DEV_PUBLIC")
-                /*
+                    .setDispatchUrl(dispatchDomain + "/query_cur_region/" + region.Name)
-                 * String regionListResponse = "CP///////////wE=";
+                    .build();
-                 * QueryAllRegionsEvent event = new QueryAllRegionsEvent(regionListResponse);
+            usedNames.add(region.Name); servers.add(identifier);
-                 * event.call();
+
-                 * ctx.result(event.getRegionList());
+            // Create a region info object.
-                 * return;
+            var regionInfo = RegionInfo.newBuilder()
-                 */
+                    .setGateserverIp(region.Ip).setGateserverPort(region.Port)
-                // Use the default region list.
+                    .setSecretKey(ByteString.copyFrom(Crypto.DISPATCH_SEED))
-                QueryAllRegionsEvent event = new QueryAllRegionsEvent(regionListResponse);
+                    .build();
-                event.call();
+            // Create an updated region query.
-                logger.debug("Connect to global version");
+            var updatedQuery = QueryCurrRegionHttpRsp.newBuilder().setRegionInfo(regionInfo).build();
-
+            regions.put(region.Name, new RegionData(updatedQuery, Utils.base64Encode(updatedQuery.toByteString().toByteArray())));
-                // Respond with the event result.
+        });
-                ctx.result(event.getRegionList());
+
-            }
+        // Create a config object.
-        } else {
+        byte[] customConfig = "{\"sdkenv\":\"2\",\"checkdevice\":\"false\",\"loadPatch\":\"false\",\"showexception\":\"false\",\"regionConfig\":\"pm|fk|add\",\"downloadMode\":\"0\"}".getBytes();
-            // Use the default region list.
+        Crypto.xor(customConfig, Crypto.DISPATCH_KEY); // XOR the config with the key.
-            QueryAllRegionsEvent event = new QueryAllRegionsEvent(regionListResponse);
+
-            event.call();
+        // Create an updated region list.
-            logger.debug("Connect to global version");
+        QueryRegionListHttpRsp updatedRegionList = QueryRegionListHttpRsp.newBuilder()
-
+                .addAllRegionList(servers)
-            // Respond with the event result.
+                .setClientSecretKey(ByteString.copyFrom(Crypto.DISPATCH_SEED))
-            ctx.result(event.getRegionList());
+                .setClientCustomConfigEncrypted(ByteString.copyFrom(customConfig))
-        }
+                .setEnableLoginPc(true).build();
-        // Log the request to the console.
+
-        Grasscutter.getLogger()
+        // Set the region list response.
-                .info(String.format("[Dispatch] Client %s request: query_region_list", ctx.ip()));
+        regionListResponse = Utils.base64Encode(updatedRegionList.toByteString().toByteArray());
-    }
+
-
+        // CN
-    /**
+        // Create a config object.
-     * @route /query_cur_region/{region}
+        byte[] customConfigcn = "{\"sdkenv\":\"0\",\"checkdevice\":\"true\",\"loadPatch\":\"false\",\"showexception\":\"false\",\"regionConfig\":\"pm|fk|add\",\"downloadMode\":\"0\"}".getBytes();
-     */
+        Crypto.xor(customConfigcn, Crypto.DISPATCH_KEY); // XOR the config with the key.
-    private static void queryCurrentRegion(Context ctx) {
+
-        // Get region to query.
+        // Create an updated region list.
-        String regionName = ctx.pathParam("region");
+        QueryRegionListHttpRsp updatedRegionListcn = QueryRegionListHttpRsp.newBuilder()
-        String versionName = ctx.queryParam("version");
+                .addAllRegionList(servers)
-        var region = regions.get(regionName);
+                .setClientSecretKey(ByteString.copyFrom(Crypto.DISPATCH_SEED))
-
+                .setClientCustomConfigEncrypted(ByteString.copyFrom(customConfigcn))
-        // Get region data.
+                .setEnableLoginPc(true).build();
-        String regionData = "CAESGE5vdCBGb3VuZCB2ZXJzaW9uIGNvbmZpZw==";
+
-        if (ctx.queryParamMap().values().size() > 0) {
+        // Set the region list response.
-            if (region != null) regionData = region.getBase64();
+        regionListResponsecn = Utils.base64Encode(updatedRegionListcn.toByteString().toByteArray());
-        }
+    }
-
+
-        String[] versionCode =
+    @Override
-                versionName.replaceAll(Pattern.compile("[a-zA-Z]").pattern(), "").split("\\.");
+    public void applyRoutes(Javalin javalin) {
-        int versionMajor = Integer.parseInt(versionCode[0]);
+        javalin.get("/query_region_list", RegionHandler::queryRegionList);
-        int versionMinor = Integer.parseInt(versionCode[1]);
+        javalin.get("/query_cur_region/{region}", RegionHandler::queryCurrentRegion);
-        int versionFix = Integer.parseInt(versionCode[2]);
+    }
-
+
-        if (versionMajor >= 3
+    /**
-                || (versionMajor == 2 && versionMinor == 7 && versionFix >= 50)
+     * Handle query region list request.
-                || (versionMajor == 2 && versionMinor == 8)) {
+     *
-            try {
+     * @param ctx The context object for handling the request.
-                QueryCurrentRegionEvent event = new QueryCurrentRegionEvent(regionData);
+     * @route /query_region_list
-                event.call();
+     */
-
+    private static void queryRegionList(Context ctx) {
-                if (ctx.queryParam("dispatchSeed") == null) {
+        // Get logger and query parameters.
-                    // More love for UA Patch players
+        Logger logger = Grasscutter.getLogger();
-                    var rsp = new QueryCurRegionRspJson();
+        if (ctx.queryParamMap().containsKey("version") && ctx.queryParamMap().containsKey("platform")) {
-
+            String versionName = ctx.queryParam("version");
-                    rsp.content = event.getRegionInfo();
+            String versionCode = versionName.replaceAll("[/.0-9]*", "");
-                    rsp.sign = "TW9yZSBsb3ZlIGZvciBVQSBQYXRjaCBwbGF5ZXJz";
+            String platformName = ctx.queryParam("platform");
-
+
-                    ctx.json(rsp);
+            // Determine the region list to use based on the version and platform.
-                    return;
+            if ("CNRELiOS".equals(versionCode) || "CNRELWin".equals(versionCode)
-                }
+                    || "CNRELAndroid".equals(versionCode)) {
-
+                // Use the CN region list.
-                String key_id = ctx.queryParam("key_id");
+                QueryAllRegionsEvent event = new QueryAllRegionsEvent(regionListResponsecn);
-
+                event.call();
-                if (key_id == null) throw new Exception("Key ID was not set");
+                logger.debug("Connect to Chinese version");
-
+
-                Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
+                // Respond with the event result.
-                cipher.init(Cipher.ENCRYPT_MODE, Crypto.EncryptionKeys.get(Integer.valueOf(key_id)));
+                ctx.result(event.getRegionList());
-                var regionInfo = Utils.base64Decode(event.getRegionInfo());
+            } else if ("OSRELiOS".equals(versionCode) || "OSRELWin".equals(versionCode)
-
+                    || "OSRELAndroid".equals(versionCode)) {
-                // Encrypt regionInfo in chunks
+                // Use the OS region list.
-                ByteArrayOutputStream encryptedRegionInfoStream = new ByteArrayOutputStream();
+                QueryAllRegionsEvent event = new QueryAllRegionsEvent(regionListResponse);
-
+                event.call();
-                // Thank you so much GH Copilot
+                logger.debug("Connect to global version");
-                int chunkSize = 256 - 11;
+
-                int regionInfoLength = regionInfo.length;
+                // Respond with the event result.
-                int numChunks = (int) Math.ceil(regionInfoLength / (double) chunkSize);
+                ctx.result(event.getRegionList());
-
+            } else {
-                for (int i = 0; i < numChunks; i++) {
+                /*
-                    byte[] chunk =
+                 * String regionListResponse = "CP///////////wE=";
-                            Arrays.copyOfRange(
+                 * QueryAllRegionsEvent event = new QueryAllRegionsEvent(regionListResponse);
-                                    regionInfo, i * chunkSize, Math.min((i + 1) * chunkSize, regionInfoLength));
+                 * event.call();
-                    byte[] encryptedChunk = cipher.doFinal(chunk);
+                 * ctx.result(event.getRegionList());
-                    encryptedRegionInfoStream.write(encryptedChunk);
+                 * return;
-                }
+                 */
-
+                // Use the default region list.
-                Signature privateSignature = Signature.getInstance("SHA256withRSA");
+                QueryAllRegionsEvent event = new QueryAllRegionsEvent(regionListResponse);
-                privateSignature.initSign(Crypto.CUR_SIGNING_KEY);
+                event.call();
-                privateSignature.update(regionInfo);
+                logger.debug("Connect to global version");
-
+
-                var rsp = new QueryCurRegionRspJson();
+                // Respond with the event result.
-
+                ctx.result(event.getRegionList());
-                rsp.content = Utils.base64Encode(encryptedRegionInfoStream.toByteArray());
+            }
-                rsp.sign = Utils.base64Encode(privateSignature.sign());
+        } else {
-
+            // Use the default region list.
-                ctx.json(rsp);
+            QueryAllRegionsEvent event = new QueryAllRegionsEvent(regionListResponse);
-            } catch (Exception e) {
+            event.call();
-                Grasscutter.getLogger().error("An error occurred while handling query_cur_region.", e);
+            logger.debug("Connect to global version");
-            }
+
-        } else {
+            // Respond with the event result.
-            // Invoke event.
+            ctx.result(event.getRegionList());
-            QueryCurrentRegionEvent event = new QueryCurrentRegionEvent(regionData);
+        }
-            event.call();
+        // Log the request to the console.
-            // Respond with event result.
+        Grasscutter.getLogger().info(String.format("[Dispatch] Client %s request: query_region_list", ctx.ip()));
-            ctx.result(event.getRegionInfo());
+    }
-        }
+
-        // Log to console.
+    /**
-        Grasscutter.getLogger()
+     * @route /query_cur_region/{region}
-                .info(String.format("Client %s request: query_cur_region/%s", ctx.ip(), regionName));
+     */
-    }
+    private static void queryCurrentRegion(Context ctx) {
-
+        // Get region to query.
-    /**
+        String regionName = ctx.pathParam("region");
-     * Gets the current region query.
+        String versionName = ctx.queryParam("version");
-     *
+        var region = regions.get(regionName);
-     * @return A {@link QueryCurrRegionHttpRsp} object.
+
-     */
+        // Get region data.
-    public static QueryCurrRegionHttpRsp getCurrentRegion() {
+        String regionData = "CAESGE5vdCBGb3VuZCB2ZXJzaW9uIGNvbmZpZw==";
-        return SERVER.runMode == ServerRunMode.HYBRID ? regions.get("os_usa").getRegionQuery() : null;
+        if (ctx.queryParamMap().values().size() > 0) {
-    }
+            if (region != null)
-
+                regionData = region.getBase64();
-    /** Configures region data according to configuration. */
+        }
-    private void initialize() {
+
-        String dispatchDomain =
+        String clientVersion = versionName.replaceAll(Pattern.compile("[a-zA-Z]").pattern(), "");
-                "http"
+        String[] versionCode = clientVersion.split("\\.");
-                        + (HTTP_ENCRYPTION.useInRouting ? "s" : "")
+        int versionMajor = Integer.parseInt(versionCode[0]);
-                        + "://"
+        int versionMinor = Integer.parseInt(versionCode[1]);
-                        + lr(HTTP_INFO.accessAddress, HTTP_INFO.bindAddress)
+        int versionFix   = Integer.parseInt(versionCode[2]);
-                        + ":"
+
-                        + lr(HTTP_INFO.accessPort, HTTP_INFO.bindPort);
+        if (versionMajor >= 3 || (versionMajor == 2 && versionMinor == 7 && versionFix >= 50) || (versionMajor == 2 && versionMinor == 8)) {
-
+            try {
-        // Create regions.
+                QueryCurrentRegionEvent event = new QueryCurrentRegionEvent(regionData); event.call();
-        List<RegionSimpleInfo> servers = new ArrayList<>();
+
-        List<String> usedNames = new ArrayList<>(); // List to check for potential naming conflicts.
+                String key_id = ctx.queryParam("key_id");
-
+
-        var configuredRegions = new ArrayList<>(List.of(DISPATCH_INFO.regions));
+                if (!clientVersion.equals(GameConstants.VERSION)) { // Reject clients when there is a version mismatch
-        if (SERVER.runMode != ServerRunMode.HYBRID && configuredRegions.size() == 0) {
+
-            Grasscutter.getLogger()
+                    boolean updateClient = GameConstants.VERSION.compareTo(clientVersion) > 0;
-                    .error(
+
-                            "[Dispatch] There are no game servers available. Exiting due to unplayable state.");
+                    QueryCurrRegionHttpRsp rsp = QueryCurrRegionHttpRsp.newBuilder()
-            System.exit(1);
+                        .setRetcode(Retcode.RET_STOP_SERVER_VALUE)
-        } else if (configuredRegions.size() == 0)
+                        .setMsg("Connection Failed!")
-            configuredRegions.add(
+                        .setRegionInfo(RegionInfo.newBuilder())
-                    new Region(
+                        .setStopServer(StopServerInfo.newBuilder()
-                            "os_usa",
+                            .setUrl("https://discord.gg/grasscutters")
-                            DISPATCH_INFO.defaultName,
+                            .setStopBeginTime((int) Instant.now().getEpochSecond())
-                            lr(GAME_INFO.accessAddress, GAME_INFO.bindAddress),
+                            .setStopEndTime((int) Instant.now().getEpochSecond()*2)
-                            lr(GAME_INFO.accessPort, GAME_INFO.bindPort)));
+                            .setContentMsg(updateClient ? "\nVersion mismatch outdated client! \n\nServer version: %s\nClient version: %s".formatted(GameConstants.VERSION, clientVersion) : "\nVersion mismatch outdated server! \n\nServer version: %s\nClient version: %s".formatted(GameConstants.VERSION, clientVersion))
-
+                            .build())
-        configuredRegions.forEach(
+                        .buildPartial();
-                region -> {
+
-                    if (usedNames.contains(region.Name)) {
+                    Grasscutter.getLogger().info(String.format("Connection denied for %s due to %s", ctx.ip(), updateClient ? "outdated client!" : "outdated server!"));
-                        Grasscutter.getLogger().error("Region name already in use.");
+
-                        return;
+                    ctx.json(Crypto.encryptAndSignRegionData(rsp.toByteArray(), key_id));
-                    }
+                    return;
-
+                }
-                    // Create a region identifier.
+
-                    var identifier =
+                if (ctx.queryParam("dispatchSeed") == null) {
-                            RegionSimpleInfo.newBuilder()
+                    // More love for UA Patch players
-                                    .setName(region.Name)
+                    var rsp = new QueryCurRegionRspJson();
-                                    .setTitle(region.Title)
+
-                                    .setType("DEV_PUBLIC")
+                    rsp.content = event.getRegionInfo();
-                                    .setDispatchUrl(dispatchDomain + "/query_cur_region/" + region.Name)
+                    rsp.sign = "TW9yZSBsb3ZlIGZvciBVQSBQYXRjaCBwbGF5ZXJz";
-                                    .build();
+
-                    usedNames.add(region.Name);
+                    ctx.json(rsp);
-                    servers.add(identifier);
+                    return;
-
+                }
-                    // Create a region info object.
+
-                    var regionInfo =
+
-                            RegionInfo.newBuilder()
+                var regionInfo = Utils.base64Decode(event.getRegionInfo());
-                                    .setGateserverIp(region.Ip)
+
-                                    .setGateserverPort(region.Port)
+                ctx.json(Crypto.encryptAndSignRegionData(regionInfo, key_id));
-                                    .setSecretKey(ByteString.copyFrom(Crypto.DISPATCH_SEED))
+            }
-                                    .build();
+            catch (Exception e) {
-                    // Create an updated region query.
+                Grasscutter.getLogger().error("An error occurred while handling query_cur_region.", e);
-                    var updatedQuery = QueryCurrRegionHttpRsp.newBuilder().setRegionInfo(regionInfo).build();
+            }
-                    regions.put(
+        }
-                            region.Name,
+        else {
-                            new RegionData(
+            // Invoke event.
-                                    updatedQuery, Utils.base64Encode(updatedQuery.toByteString().toByteArray())));
+            QueryCurrentRegionEvent event = new QueryCurrentRegionEvent(regionData); event.call();
-                });
+            // Respond with event result.
-
+            ctx.result(event.getRegionInfo());
-        // Create a config object.
+        }
-        byte[] customConfig =
+        // Log to console.
-                "{\"sdkenv\":\"2\",\"checkdevice\":\"false\",\"loadPatch\":\"false\",\"showexception\":\"false\",\"regionConfig\":\"pm|fk|add\",\"downloadMode\":\"0\"}"
+        Grasscutter.getLogger().info(String.format("Client %s request: query_cur_region/%s", ctx.ip(), regionName));
-                        .getBytes();
+    }
-        Crypto.xor(customConfig, Crypto.DISPATCH_KEY); // XOR the config with the key.
+
-
+    /**
-        // Create an updated region list.
+     * Region data container.
-        QueryRegionListHttpRsp updatedRegionList =
+     */
-                QueryRegionListHttpRsp.newBuilder()
+    public static class RegionData {
-                        .addAllRegionList(servers)
+        private final QueryCurrRegionHttpRsp regionQuery;
-                        .setClientSecretKey(ByteString.copyFrom(Crypto.DISPATCH_SEED))
+        private final String base64;
-                        .setClientCustomConfigEncrypted(ByteString.copyFrom(customConfig))
+
-                        .setEnableLoginPc(true)
+        public RegionData(QueryCurrRegionHttpRsp prq, String b64) {
-                        .build();
+            this.regionQuery = prq;
-
+            this.base64 = b64;
-        // Set the region list response.
+        }
-        regionListResponse = Utils.base64Encode(updatedRegionList.toByteString().toByteArray());
+
-
+        public QueryCurrRegionHttpRsp getRegionQuery() {
-        // CN
+            return this.regionQuery;
-        // Create a config object.
+        }
-        byte[] customConfigcn =
+
-                "{\"sdkenv\":\"0\",\"checkdevice\":\"true\",\"loadPatch\":\"false\",\"showexception\":\"false\",\"regionConfig\":\"pm|fk|add\",\"downloadMode\":\"0\"}"
+        public String getBase64() {
-                        .getBytes();
+            return this.base64;
-        Crypto.xor(customConfigcn, Crypto.DISPATCH_KEY); // XOR the config with the key.
+        }
-
+    }
-        // Create an updated region list.
+
-        QueryRegionListHttpRsp updatedRegionListcn =
+    /**
-                QueryRegionListHttpRsp.newBuilder()
+     * Gets the current region query.
-                        .addAllRegionList(servers)
+     * @return A {@link QueryCurrRegionHttpRsp} object.
-                        .setClientSecretKey(ByteString.copyFrom(Crypto.DISPATCH_SEED))
+     */
-                        .setClientCustomConfigEncrypted(ByteString.copyFrom(customConfigcn))
+    public static QueryCurrRegionHttpRsp getCurrentRegion() {
-                        .setEnableLoginPc(true)
+        return SERVER.runMode == ServerRunMode.HYBRID ? regions.get("os_usa").getRegionQuery() : null;
-                        .build();
+    }
-
+}
-        // Set the region list response.
-        regionListResponsecn = Utils.base64Encode(updatedRegionListcn.toByteString().toByteArray());
-    }
-
-    @Override
-    public void applyRoutes(Javalin javalin) {
-        javalin.get("/query_region_list", RegionHandler::queryRegionList);
-        javalin.get("/query_cur_region/{region}", RegionHandler::queryCurrentRegion);
-    }
-
-    /** Region data container. */
-    public static class RegionData {
-        private final QueryCurrRegionHttpRsp regionQuery;
-        private final String base64;
-
-        public RegionData(QueryCurrRegionHttpRsp prq, String b64) {
-            this.regionQuery = prq;
-            this.base64 = b64;
-        }
-
-        public QueryCurrRegionHttpRsp getRegionQuery() {
-            return this.regionQuery;
-        }
-
-        public String getBase64() {
-            return this.base64;
-        }
-    }
-}

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

@@ -0,0 +1,16 @@
+package emu.grasscutter.server.packet.recv;
+
+import emu.grasscutter.net.packet.Opcodes;
+import emu.grasscutter.net.packet.PacketHandler;
+import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.server.game.GameSession;
+import emu.grasscutter.server.packet.send.PacketBuyResinRsp;
+
+@Opcodes(PacketOpcodes.BuyResinReq)
+public class HandlerBuyResinReq extends PacketHandler {
+    @Override
+    public void handle(GameSession session, byte[] header, byte[] payload) throws Exception {
+        var player = session.getPlayer();
+        session.send(new PacketBuyResinRsp(player, player.getResinManager().buy()));
+    }
+}

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

@@ -0,0 +1,31 @@
+
+package emu.grasscutter.server.packet.recv;
+
+import javax.lang.model.type.TypeMirror;
+
+import emu.grasscutter.net.packet.Opcodes;
+import emu.grasscutter.net.packet.PacketHandler;
+import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.net.proto.SceneAudioNotifyOuterClass.SceneAudioNotify;
+import emu.grasscutter.server.game.GameSession;
+import emu.grasscutter.server.packet.send.PacketSceneAudioNotify;
+import java.util.List;
+
+@Opcodes(PacketOpcodes.SceneAudioNotify)
+public class HandlerSceneAudioNotify extends PacketHandler {
+
+    @Override
+    public void handle(GameSession session, byte[] header, byte[] payload) throws Exception {
+        SceneAudioNotify notify = SceneAudioNotify.parseFrom(payload);
+
+        int sourceUid = notify.getSourceUid();
+        List<Float> param2 = notify.getParam2List();
+        List<String> param3 = notify.getParam3List();
+        int type = notify.getType();
+        List<Integer> param1 = notify.getParam1List();
+
+        session.getPlayer().getScene().broadcastPacket(new PacketSceneAudioNotify(sourceUid, param2, param3, type, param1));
+    }
+
+}
+

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

@@ -0,0 +1,18 @@
+package emu.grasscutter.server.packet.send;
+
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.game.props.PlayerProperty;
+import emu.grasscutter.net.packet.BasePacket;
+import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.net.proto.BuyResinRspOuterClass;
+
+public class PacketBuyResinRsp extends BasePacket {
+    public PacketBuyResinRsp(Player player, int ret) {
+        super(PacketOpcodes.BuyResinRsp);
+
+        this.setData(BuyResinRspOuterClass.BuyResinRsp.newBuilder()
+            .setCurValue(player.getProperty(PlayerProperty.PROP_PLAYER_RESIN))
+            .setRetcode(ret)
+            .build());
+    }
+}

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

@@ -1,24 +1,22 @@
-package emu.grasscutter.server.packet.send;
+package emu.grasscutter.server.packet.send;
-
+
-import emu.grasscutter.game.player.Player;
+import emu.grasscutter.game.player.Player;
-import emu.grasscutter.game.props.PlayerProperty;
+import emu.grasscutter.game.props.PlayerProperty;
-import emu.grasscutter.net.packet.BasePacket;
+import emu.grasscutter.net.packet.BasePacket;
-import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.net.packet.PacketOpcodes;
-import emu.grasscutter.net.proto.ResinChangeNotifyOuterClass.ResinChangeNotify;
+import emu.grasscutter.net.proto.ResinChangeNotifyOuterClass.ResinChangeNotify;
-
+
-public class PacketResinChangeNotify extends BasePacket {
+public class PacketResinChangeNotify extends BasePacket {
-
+
-    public PacketResinChangeNotify(Player player) {
+	public PacketResinChangeNotify(Player player) {
-        super(PacketOpcodes.ResinChangeNotify);
+        super(PacketOpcodes.ResinChangeNotify);
-
+
-        ResinChangeNotify proto =
+        ResinChangeNotify proto = ResinChangeNotify.newBuilder()
-                ResinChangeNotify.newBuilder()
+            .setCurValue(player.getProperty(PlayerProperty.PROP_PLAYER_RESIN))
-                        .setCurValue(player.getProperty(PlayerProperty.PROP_PLAYER_RESIN))
+            .setNextAddTimestamp(player.getNextResinRefresh())
-                        .setNextAddTimestamp(player.getNextResinRefresh())
+            .setCurBuyCount(player.getResinBuyCount())
-                        .build();
+            .build();
-
+
-        // ToDo: Add ability to buy resin with primogems, has to be included here.
+        this.setData(proto);
-
+    }
-        this.setData(proto);
+}
-    }
-}

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

@@ -0,0 +1,23 @@
+package emu.grasscutter.server.packet.send;
+
+import emu.grasscutter.net.packet.BasePacket;
+import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.net.proto.SceneAudioNotifyOuterClass;
+import java.util.List;
+
+public class PacketSceneAudioNotify extends BasePacket {
+
+    public PacketSceneAudioNotify(int sourceUid, List<Float> param2, List<String> param3, int type, List<Integer> param1) {
+        super(PacketOpcodes.SceneAudioNotify);
+
+        SceneAudioNotifyOuterClass.SceneAudioNotify proto = SceneAudioNotifyOuterClass.SceneAudioNotify.newBuilder()
+                .setSourceUid(sourceUid)
+                .addAllParam2(param2)
+                .addAllParam3(param3)
+                .setType(type)
+                .addAllParam1(param1)
+                .build();
+        
+        this.setData(proto);
+    }
+}

src/main/java/emu/grasscutter/utils/Crypto.java

@@ -1,77 +1,116 @@
-package emu.grasscutter.utils;
+package emu.grasscutter.utils;
-
+
-import emu.grasscutter.Grasscutter;
+import emu.grasscutter.server.http.objects.QueryCurRegionRspJson;
-import java.nio.file.Path;
+import java.io.ByteArrayOutputStream;
-import java.security.KeyFactory;
+import java.io.File;
-import java.security.PrivateKey;
+import java.nio.file.Path;
-import java.security.PublicKey;
+import java.security.KeyFactory;
-import java.security.SecureRandom;
+import java.security.PrivateKey;
-import java.security.spec.PKCS8EncodedKeySpec;
+import java.security.PublicKey;
-import java.security.spec.X509EncodedKeySpec;
+import java.security.SecureRandom;
-import java.util.HashMap;
+import java.security.Signature;
-import java.util.Map;
+import java.security.spec.PKCS8EncodedKeySpec;
-import java.util.regex.Pattern;
+import java.security.spec.X509EncodedKeySpec;
-
+import java.util.Arrays;
-public final class Crypto {
+import java.util.Map;
-    private static final SecureRandom secureRandom = new SecureRandom();
+import java.util.HashMap;
-
+import java.util.regex.Pattern;
-    public static byte[] DISPATCH_KEY;
+
-    public static byte[] DISPATCH_SEED;
+import emu.grasscutter.Grasscutter;
-
+import javax.crypto.Cipher;
-    public static byte[] ENCRYPT_KEY;
+
-    public static long ENCRYPT_SEED = Long.parseUnsignedLong("11468049314633205968");
+public final class Crypto {
-    public static byte[] ENCRYPT_SEED_BUFFER = new byte[0];
+
-
+    private static final SecureRandom secureRandom = new SecureRandom();
-    public static PrivateKey CUR_SIGNING_KEY;
+
-
+    public static byte[] DISPATCH_KEY;
-    public static Map<Integer, PublicKey> EncryptionKeys = new HashMap<>();
+    public static byte[] DISPATCH_SEED;
-
+
-    public static void loadKeys() {
+    public static byte[] ENCRYPT_KEY;
-        DISPATCH_KEY = FileUtils.readResource("/keys/dispatchKey.bin");
+    public static long ENCRYPT_SEED = Long.parseUnsignedLong("11468049314633205968");
-        DISPATCH_SEED = FileUtils.readResource("/keys/dispatchSeed.bin");
+    public static byte[] ENCRYPT_SEED_BUFFER = new byte[0];
-
+
-        ENCRYPT_KEY = FileUtils.readResource("/keys/secretKey.bin");
+    public static PrivateKey CUR_SIGNING_KEY;
-        ENCRYPT_SEED_BUFFER = FileUtils.readResource("/keys/secretKeyBuffer.bin");
+
-
+    public static Map<Integer, PublicKey> EncryptionKeys = new HashMap<>();
-        try {
+
-            CUR_SIGNING_KEY =
+    public static void loadKeys() {
-                    KeyFactory.getInstance("RSA")
+        DISPATCH_KEY = FileUtils.readResource("/keys/dispatchKey.bin");
-                            .generatePrivate(
+        DISPATCH_SEED = FileUtils.readResource("/keys/dispatchSeed.bin");
-                                    new PKCS8EncodedKeySpec(FileUtils.readResource("/keys/SigningKey.der")));
+
-
+        ENCRYPT_KEY = FileUtils.readResource("/keys/secretKey.bin");
-            Pattern pattern = Pattern.compile("([0-9]*)_Pub\\.der");
+        ENCRYPT_SEED_BUFFER = FileUtils.readResource("/keys/secretKeyBuffer.bin");
-            for (Path path : FileUtils.getPathsFromResource("/keys/game_keys")) {
+
-                if (path.toString().endsWith("_Pub.der")) {
+        try {
-
+            CUR_SIGNING_KEY = KeyFactory.getInstance("RSA")
-                    var m = pattern.matcher(path.getFileName().toString());
+                .generatePrivate(new PKCS8EncodedKeySpec(FileUtils.readResource("/keys/SigningKey.der")));
-
+
-                    if (m.matches()) {
+            Pattern pattern = Pattern.compile("([0-9]*)_Pub\\.der");
-                        var key =
+            for (Path path : FileUtils.getPathsFromResource("/keys/game_keys")) {
-                                KeyFactory.getInstance("RSA")
+                if (path.toString().endsWith("_Pub.der")) {
-                                        .generatePublic(new X509EncodedKeySpec(FileUtils.read(path)));
+
-
+                    var m = pattern.matcher(path.getFileName().toString());
-                        EncryptionKeys.put(Integer.valueOf(m.group(1)), key);
+
-                    }
+                    if (m.matches()) {
-                }
+                        var key = KeyFactory.getInstance("RSA")
-            }
+                            .generatePublic(new X509EncodedKeySpec(FileUtils.read(path)));
-        } catch (Exception e) {
+
-            Grasscutter.getLogger().error("An error occurred while loading keys.", e);
+                        EncryptionKeys.put(Integer.valueOf(m.group(1)), key);
-        }
+                    }
-    }
+                }
-
+            }
-    public static void xor(byte[] packet, byte[] key) {
+        } catch (Exception e) {
-        try {
+            Grasscutter.getLogger().error("An error occurred while loading keys.", e);
-            for (int i = 0; i < packet.length; i++) {
+        }
-                packet[i] ^= key[i % key.length];
+    }
-            }
+
-        } catch (Exception e) {
+    public static void xor(byte[] packet, byte[] key) {
-            Grasscutter.getLogger().error("Crypto error.", e);
+        try {
-        }
+            for (int i = 0; i < packet.length; i++) {
-    }
+                packet[i] ^= key[i % key.length];
-
+            }
-    public static byte[] createSessionKey(int length) {
+        } catch (Exception e) {
-        byte[] bytes = new byte[length];
+            Grasscutter.getLogger().error("Crypto error.", e);
-        secureRandom.nextBytes(bytes);
+        }
-        return bytes;
+    }
-    }
+
-}
+    public static byte[] createSessionKey(int length) {
+        byte[] bytes = new byte[length];
+        secureRandom.nextBytes(bytes);
+        return bytes;
+    }
+
+    public static QueryCurRegionRspJson encryptAndSignRegionData(byte[] regionInfo, String key_id) throws Exception {
+        if (key_id == null) {
+            throw new Exception("Key ID was not set");
+        }
+
+        Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
+        cipher.init(Cipher.ENCRYPT_MODE, EncryptionKeys.get(Integer.valueOf(key_id)));
+
+        //Encrypt regionInfo in chunks
+        ByteArrayOutputStream encryptedRegionInfoStream = new ByteArrayOutputStream();
+
+        //Thank you so much GH Copilot
+        int chunkSize = 256 - 11;
+        int regionInfoLength = regionInfo.length;
+        int numChunks = (int) Math.ceil(regionInfoLength / (double) chunkSize);
+
+        for (int i = 0; i < numChunks; i++) {
+            byte[] chunk = Arrays.copyOfRange(regionInfo, i * chunkSize,
+                Math.min((i + 1) * chunkSize, regionInfoLength));
+            byte[] encryptedChunk = cipher.doFinal(chunk);
+            encryptedRegionInfoStream.write(encryptedChunk);
+        }
+
+        Signature privateSignature = Signature.getInstance("SHA256withRSA");
+        privateSignature.initSign(CUR_SIGNING_KEY);
+        privateSignature.update(regionInfo);
+
+        var rsp = new QueryCurRegionRspJson();
+
+        rsp.content = Utils.base64Encode(encryptedRegionInfoStream.toByteArray());
+        rsp.sign = Utils.base64Encode(privateSignature.sign());
+        return rsp;
+    }
+}