refactor(Core/Motd): Move motd to MotdMgr (#16933)

src/server/game/Motd/MotdMgr.h

@@ -0,0 +1,46 @@
+/*
+ * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by the
+ * Free Software Foundation; either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _MOTDMGR_H_
+#define _MOTDMGR_H_
+
+#include "Define.h"
+#include <string>
+
+class WorldPacket;
+
+class AC_GAME_API MotdMgr
+{
+public:
+    static MotdMgr* instance();
+
+    /// Set a new Message of the Day
+    void SetMotd(std::string motd);
+
+    /// Load Message of the Day
+    void LoadMotd();
+
+    /// Get the current Message of the Day
+    char const* GetMotd();
+
+    /// Get the motd packet to send at login
+    WorldPacket const* GetMotdPacket();
+};
+
+#define sMotdMgr MotdMgr::instance()
+
+#endif // _MOTDMGR_H_