新增MinecraftEventPacket类

core/src/main/java/com/xujiayao/discord_mc_chat/network/packets/MinecraftEventPacket.java

@@ -0,0 +1,42 @@
+package com.xujiayao.discord_mc_chat.network.packets;
+
+import java.util.Map;
+
+/**
+ * Packet sent from Minecraft Client to DMCC Server containing an in-game event or message.
+ *
+ * @author Xujiayao
+ */
+public class MinecraftEventPacket extends Packet {
+	public MessageType type;
+	public Map<String, String> placeholders;
+
+	public MinecraftEventPacket(MessageType type, Map<String, String> placeholders) {
+		this.type = type;
+		this.placeholders = placeholders;
+	}
+
+	/**
+	 * Enum representing the type of message being sent.
+	 *
+	 * @author Xujiayao
+	 */
+	public enum MessageType {
+		// Server events
+		SERVER_STARTED,
+		SERVER_STOPPING,
+		SERVER_STOPPED,
+
+		// Player events
+		PLAYER_JOIN,
+		PLAYER_QUIT,
+		PLAYER_CHAT,
+		PLAYER_COMMAND,
+		PLAYER_DIE,
+		PLAYER_ADVANCEMENT,
+
+		// Source events
+		SOURCE_SAY,
+		SOURCE_TELL_RAW
+	}
+}