Basic support for 1.19.2

MinecraftClient/Protocol/Message/ChatMessage.cs

@@ -0,0 +1,74 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MinecraftClient.Protocol.Message
+{
+    public class ChatMessage
+    {
+        // in 1.19 and above,  isSignedChat = true
+        public readonly bool isSignedChat;
+
+        public readonly string content;
+
+        public readonly bool isJson;
+
+        //  0: chat (chat box), 1: system message (chat box), 2: game info (above hotbar), 3: say command,
+        //  4: msg command,     5: team msg command,          6: emote command,            7: tellraw command
+        public readonly int chatTypeId;
+
+        public readonly Guid senderUUID;
+
+        public readonly bool isSystemChat;
+
+        public readonly string? unsignedContent;
+
+        public readonly string? displayName;
+
+        public readonly string? teamName;
+
+        public readonly DateTime? timestamp;
+
+        public readonly byte[]? signature;
+
+        public readonly bool? isSignatureLegal;
+
+        public ChatMessage(string content, bool isJson, int chatType, Guid senderUUID, string? unsignedContent, string displayName, string? teamName, long timestamp, byte[] signature, bool isSignatureLegal)
+        {
+            isSignedChat = true;
+            isSystemChat = false;
+            this.content = content;
+            this.isJson = isJson;
+            this.chatTypeId = chatType;
+            this.senderUUID = senderUUID;
+            this.unsignedContent = unsignedContent;
+            this.displayName = displayName;
+            this.teamName = teamName;
+            this.timestamp = DateTimeOffset.FromUnixTimeMilliseconds(timestamp).DateTime;
+            this.signature = signature;
+            this.isSignatureLegal = isSignatureLegal;
+        }
+
+        public ChatMessage(string content, bool isJson, int chatType, Guid senderUUID, bool isSystemChat = false)
+        {
+            isSignedChat = isSystemChat;
+            this.isSystemChat = isSystemChat;
+            this.content = content;
+            this.isJson = isJson;
+            this.chatTypeId = chatType;
+            this.senderUUID = senderUUID;
+        }
+
+        public LastSeenMessageList.Entry? toLastSeenMessageEntry()
+        {
+            return signature != null ? new LastSeenMessageList.Entry(senderUUID, signature) : null;
+        }
+
+        public bool lacksSender()
+        {
+            return this.senderUUID == Guid.Empty;
+        }
+    }
+}